US20030118393A1 - Universal pen with position or motion sensing - Google Patents
Universal pen with position or motion sensing Download PDFInfo
- Publication number
- US20030118393A1 US20030118393A1 US10/309,066 US30906602A US2003118393A1 US 20030118393 A1 US20030118393 A1 US 20030118393A1 US 30906602 A US30906602 A US 30906602A US 2003118393 A1 US2003118393 A1 US 2003118393A1
- Authority
- US
- United States
- Prior art keywords
- pen
- ink
- color
- attribute
- printhead
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
- B41J2/17553—Outer structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
- B41J13/10—Sheet holders, retainers, movable guides, or stationary guides
- B41J13/106—Sheet holders, retainers, movable guides, or stationary guides for the sheet output section
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/21—Ink jet for multi-colour printing
- B41J2/2107—Ink jet for multi-colour printing characterised by the ink properties
- B41J2/2114—Ejecting transparent or white coloured liquids, e.g. processing liquids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/36—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for portability, i.e. hand-held printers or laptop printers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42C—BOOKBINDING
- B42C9/00—Applying glue or adhesive peculiar to bookbinding
- B42C9/0081—Applying glue or adhesive peculiar to bookbinding applying adhesive to individual sheets for binding them together
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K23/00—Holders or connectors for writing implements; Means for protecting the writing-points
- B43K23/008—Holders comprising finger grips
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K29/00—Combinations of writing implements with other articles
- B43K29/08—Combinations of writing implements with other articles with measuring, computing or indicating devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B43K8/00—Pens with writing-points other than nibs or balls
- B43K8/006—Pens with writing-points other than nibs or balls using a spraying system, e.g. airbrushes
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- B43K8/00—Pens with writing-points other than nibs or balls
- B43K8/22—Pens with writing-points other than nibs or balls with electrically or magnetically activated writing-points
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/0304—Detection arrangements using opto-electronic means
- G06F3/0317—Detection arrangements using opto-electronic means in co-operation with a patterned surface, e.g. absolute position or relative movement detection for an optical mouse or pen positioned with respect to a coded surface
- G06F3/0321—Detection arrangements using opto-electronic means in co-operation with a patterned surface, e.g. absolute position or relative movement detection for an optical mouse or pen positioned with respect to a coded surface by optically sensing the absolute position with respect to a regularly patterned surface forming a passive digitiser, e.g. pen optically detecting position indicative tags printed on a paper sheet
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- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
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- H04N1/00204—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a digital computer or a digital computer system, e.g. an internet server
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Abstract
The present invention provides a pen which includes a marking device, the pen being operative to mark a visible path onto a surface, the marking device being electronically controllable to change an attribute of the path, the pen including a user interface whereby a user may modify the attribute, the pen including at least one sensing device for sensing images or colors or both.
Description
- Continuation application of U.S. Ser. No. 09/693,704 filed on Oct. 20, 2000
- The present invention relates to implements for placing markings, such as writing and drawings, on substrates, and more particularly to devices capable of placing markings with selectable characteristics, such as color, line width, and style. Marking includes the deposition of material, such as ink or toner, or the modification of the substrate itself, such as by thermal or electrostatic means.
- Various methods, systems and apparatus relating to the present invention are disclosed in the following co-pending applications filed by the applicant or assignee of the present invention simultaneously with the present invention: U.S. Ser. Nos. 09/693,415 (NPA011US), 09/693,219 (NPA031US), 09/693,280 (NPA040US), 09/693,515 (NPA046US), 09/693,705 (NPA053US), 09/693,647 (NPA059US), 09/693,690 (NPA064US), 09/693,593 (NPB006US), 09/693,216 (NPS004US), 09/693,341 (NPS008US), 09/696,473 (NPS013US) 09/696,514 (NPS024US), 09/693,301 (NPPC1), 09/693,388 (UP01US), 09/693,704 (UP02US), 09/693,510 (UP03US), 09/09/693,336 (UP04US), 09/693,335 (UP05US) The disclosures of these co-pending applications are incorporated herein by cross-reference.
- Various methods, systems and apparatus relating to the present invention are disclosed in the following co-pending applications filed by the applicant or assignee of the present invention on 15 Sep. 2000: U.S. Ser. Nos. 09/663,579 (NPA024US), 09/669,599 (NPA025US), 09/663,701 (NPA047US), 09/663,640 (NPA049US), The disclosures of these co-pending applications are incorporated herein by reference.
- Various methods, systems and apparatus relating to the present invention are disclosed in the following co-pending applications filed by the applicant or assignee of the present invention on 30 Jun. 2000: U.S. Ser. Nos. 09/609,139 (NPA014US), 09/608,970 (NPA015US), 09/609,039 (NPA022US), 09/607,852 (NPA026US), 09/607,656 (NPA038US), 09/609,132 (NPA041US), 09/609,303 (NPA050US), 09/610,095 (NPA051US), 09/609,596 (NPA052US), 09/607,843 (NPA063US), 09/607,605 (NPA065US), 09/608,178 (NPA067US), 09/609,553 (NPA068US), 09/609,233 (NPA069US), 09/609,149 (NPA071 US), 09/608,022 (NPA072US), 09/609,232 (NPB003US), 09/607,844 (NPB004US), 09/607,657 (NPB005US), 09/608,920 (NPP019US), 09/607,985 (PEC04US), 09/607,990 (PEC05US), 09/607,196 (PEC06US), 09/606,999 (PEC07US) The disclosures of these co-pending applications are incorporated herein by reference.
- Various methods, systems and apparatus relating to the present invention are disclosed in the following co-pending applications filed by the applicant or assignee of the present invention on 23 May 2000: U.S. Ser. Nos. 09/575,197 (NPA001US), 09/575,195 (NPA002US), 09/575,159 (NPA004US), 09/575,132 (NPA005US), 09/575,123 (NPA006US), 09/575,148 (NPA007US), 09/575,130 (NPA008US), 09/575,165 (NPA009US), 09/575,153 (NPA010US), 09/575,118 (NPA012US), 09/575,131 (NPA016US), 09/575,116 (NPA017US) 09/575,144 (NPA018US), 09/575,139 (NPA019US), 09/575,186 (NPA020US), 09/575,185 (NPA021US), 09/575,191 (NPA030US), 09/575,145 (NPA035US), 09/575,192 (NPA048US), 09/575,181 (NPA075US), 09/575,193 (NPB001US), 09/575,156 (NPB002US), 09/575,183 (NPK002US), 09/575,160 (NPK003US), 09/575,150 (NPK004US), 09/575,169 (NPK005US), 09/575,184 (NPM001US), 09/575,128 (NPM002US), 09/575,180 (NPM003US), 09/575,149 (NPM004US), 09/575,179 (NPN001US), 09/575,133 (NPP005US), 09/575,143 (NPP006US), 09/575,187 (NPP001US), 09/575,155 (NPP003US), 09/575,196 (NPP007US), 09/575,198 (NPP008US), 09/575178 (NPP016US), 09/575,164 (NPP017US), 09/575,146 (NPP018US), 09/575,174 (NPS001US), 09/575,163 (NPS003US), 09/575,168 (NPS020US), 09/575,154 (NPT001US), 09/575,129 (NPT002US), 09/575,124 (NPT003US), 09/575,188 (NPT004US), 09/575,189 (NPX001US), 09/575,162 (NPX003US), 09/575,172 (NPX008US), 09/575,170 (NPX011US), 09/575,171 (NPX014US), 09/575,161 (NPX016US), 09/575,141 (IJ52US), 09/575,125 (IJM52US), 09/575,142 (MJ10US), 09/575,140 (MJ11US), 09/575,190 (MJ12US), 09/575,138 (MJ13US), 09/575,126 (MJ14US), 09/575,127 (MJ15US), 09/575,158 (MJ34US), 09/575,117 (MJ47US), 09/575,147 (MJ58US), 09/575,152 (MJ62US), 09/575,176 (MJ63US), 09/575,115 (PAK04US), 09/575,114 (PAK05US), 09/575,113 (PAK06US), 09/575,112 (PAK07US), 09/575,111 (PAK08US), 09/575,108 (PEC01US), 09/575,109 (PEC02US), 09/575,110 (PEC03US) The disclosures of these co-pending applications are incorporated herein by reference.
- Current drawing and writing implements such as pens and pencils are relatively static devices in relation to the characteristics of the marking that they produce. A pencil, fountain or ball type pen generally has a single marking point which deposits a single color of lead or ink. The marking point of a pen cannot be modified other than by replacement and any modification of the characteristics of markings made rely on the user changing the orientation of the implement, the direction of movement and the force applied to the substrate. Whilst some ball type pens are available with multiple separate cartridges, these merely provide the user with the ability to select a particular color. Because each color is provided by a separate cartridge, there is a limit on the number of colors which may be practically provided.
- In an attempt to provide a writing or marking implement with increased utility, the present invention, in one broad form, provides a pen or a cartridge for a pen including an inkjet type printhead as an alternative to a conventional nib or point of a pen or pencil. The provision of an inkjet type printhead enables more variation of and easier control over the characteristics of the markings made as compared to conventional pens and pencils.
- The invention also provides, in one broad form, a pen including a marking device and operative to mark a visible path onto a surface, the marking device electronically controllable to change at least one attribute of the path, the pen including a user interface whereby a user may modify the at least one attribute.
- The marking device may be integral with the pen or may be part of a user replaceable cartridge.
- Accordingly, in one broad form, the invention also provides a cartridge for a pen, the cartridge including a marking device and operative to mark a visible path onto a surface, the marking device electronically controllable to change at least one attribute of the path.
- The pen or the cartridge may include a non marking stylus nib. The stylus nib is preferably movable along a first axis relative to the cartridge body or pen. Alternatively, the stylus nib may be fixed. In the preferred form the stylus and marking device are both part of a user replaceable cartridge but the stylus nib may be part of the pen and the marking device part of a disposable cartridge.
- A position sensor which senses the relative position of the stylus nib, or a force sensor which senses the compressive force applied to the stylus nib, or both, may be provided. The information sensed may be used merely to turn the marking device on or off or it may also be used to control an attribute of the path deposited.
- An on/off switch may be turned to an “on” state upon sensing of more than a predetermined amount of movement of the stylus nib or application of more than a predetermined compressive force to the stylus nib.
- The marking device preferably includes a capper device movable between an open position, in which the printhead may deposit ink on the surface, and a closed position in which the capper blocks the printhead from depositing ink.
- In the preferred form the capper device rotates about an axis between the open and closed positions. Preferably this movement is achieved by movement of the stylus nib.
- In a preferred embodiment there is a stylus nib movable along a first axis which includes a slot or groove extending at other than 0° or 90° to the first axis. A capper device is mounted in front of the marking device and is rotatable about a second axis parallel to the first axis between an open and closed position. The capper device includes an arm engaging the slot or groove, whereby movement of the stylus nib along the first axis moves the capper device between the open and closed positions.
- The cartridge or pen may include a power source for at least the marking device and preferably for the user interface. The power source may be a disposable battery or a rechargeable battery.
- Where a cartridge is provided, the cartridge preferably includes an electrical input for receiving at least one control signal for changing the at least one attribute from the pen.
- The marking device may act onto the surface or a transfer device may be provided onto which the marking device acts.
- Where a cartridge is provided, the cartridge may include non volatile memory which stores at least data relating to the modifiable attribute or attributes.
- The marking device is preferably an ink ejection type printhead but other marking devices may be used.
- The invention in a further embodiment provides a pen including a marking device and operative to mark a visible path onto a surface, the marking device electronically controllable to change at least one attribute of the path, the pen including a user interface whereby a user may modify the at least one attribute, and at least one sensing device for sensing images or colors or both.
- At least one attribute may be modified, based on the sensed image or color.
- The pen preferably includes a memory for storing at least one user defined set of attributes and a user defined set optionally includes attributes derived from an image or color sensed by the sensing device.
- One of the sensor device(s) may be capable of sensing images including coded data relating to attributes.
- The sensing device may be located adjacent the marking device or be located at one end of the pen with the marking device located at the other end of the pen.
- The sensing device is preferably operable by pushing the device against a surface.
- The user interface may include at least one slider or at least one control button or at least one slider and at least one control button.
- The user interface may include a display for displaying information relating to the at least one attribute.
- The user interface is preferably operable to cycle through the stored sets of at least one attribute.
- The invention also provides a pen including a marking device and operative to mark a visible path onto a surface, the marking device electronically controllable to change at least one attribute of the path, the pen including a user interface whereby a user may modify the at least one attribute and at least one sensor device capable of sensing images including coded data.
- The pen preferably includes a decoder to decode the coded data and to change at least one attribute in response to the decoded data.
- The pen may include a receiver for receiving commands from an external control source, at least one attribute being changed in response to said received commands.
- The pen preferably includes a memory for storing different sets of attribute values. The memory may store at least one user defined set of the at least one attribute.
- The pen preferably includes a transmitter for transmitting sensed image data, coded data or decoded data to an external control source.
- The pen preferably transmits sensed image data, coded data or decoded data to an external control source together with the value or values of the at least one attribute of the path at the location of the sensed image.
- The pen may include a position sensing device or a motion sensing device or both and at least one attribute is dependant on the relative position of the pen, the relative speed of the pen or both.
- The position or speed of the pen may be derived from the sensed position of the images or it may be derived from the data encoded in the sensed images.
- The invention also provides, in one broad form, an ink ejection type printhead having a plurality of ink ejection devices and a central axis, the ink ejection devices arranged in a series of groups, each of the groups generally extending along non parallel lines.
- Adjacent ink ejection devices of each group may be located on alternate sides of a radial line or on a radial line.
- A set of the devices may be connected to a common supply of ink. Preferably each set includes devices of more than one group and more preferably each set has a different ink supply to the other sets. The devices of a group are preferably part of the same set and adjacent groups belong to different sets.
- The groups of different sets are preferably arranged in a repeating pattern.
- Preferably there are four sets and twelve groups.
- Preferably each group of devices is supplied with ink from a common gallery, all of the galleries being at a first level in the printhead, galleries for a set of devices being interconnected in part by at least one interconnecting passageway at a second level, the interconnecting passageways of each set passing beneath galleries of at least one other set.
- The printhead preferably includes a first layer of solid material, an ink ejection device layer above the first layer and a second layer of solid material below the first layer.
- The galleries are preferably slots extending through the thickness of the first layer and preferably the interconnecting passageways are grooves in the lower surface of the second layer which extend only partway through the thickness of the second layer.
- Preferably the second layer includes linking passageways linking the galleries with the interconnecting passageways, the linking passageways extending through the thickness of the second layer.
- The first, second and an ink ejection device layers are discrete layers or part of an integral device.
- FIG. 1 shows a perspective view of a pen according to a first embodiment of the invention.
- FIG. 2 shows a plan view of the pen shown in FIG. 1.
- FIG. 3 shows a side view of the pen shown in FIG. 1.
- FIG. 4 shows an end view of the pen shown in FIG. 1.
- FIG. 5 shows a perspective view of a cartridge for use in the pen shown in FIG. 1.
- FIG. 6 shows an exploded perspective view of the cartridge of FIG. 5.
- FIG. 7 shows a side view of the nib area of the pen of FIG. 1 with paper at various orientations.
- FIG. 8 shows an exploded perspective view of a cartridge for use in a pen according to a second embodiment of the invention.
- FIG. 9 shows an exploded perspective view of a pen according to a third embodiment of the invention.
- FIG. 10 shows an axial cross sectional view of the pen of FIG. 9.
- FIG. 11 shows a perspective view of a pen according to a fourth embodiment of the invention.
- FIG. 12 shows an exploded perspective view of the pen of FIG. 11.
- FIG. 13 shows an exploded perspective view of part of the pen of FIG. 11.
- FIG. 14 shows a first exploded perspective view of part of the cartridge of FIGS. 5, 6 &8.
- FIG. 15 shows a second exploded perspective view of part of the cartridge of FIGS. 5, 6 &8.
- FIG. 16 shows a plan view of the printhead used in the cartridges of FIGS. 5, 6 &8.
- FIG. 17 shows a perspective view from above of the printhead of FIG. 16 in an open position.
- FIG. 18 shows a perspective view from above of the printhead of FIG. 16 in a closed position.
- FIG. 19 shows a perspective cross sectional view from above of the printhead of FIG. 16 in an open position.
- FIG. 20 shows a perspective view from below of the printhead of FIG. 16 in an open position.
- FIG. 20a shows a plan view from below of the printhead of FIG. 16 in an open position.
- FIG. 21 shows an exploded perspective view from above of the printhead of FIG. 16 in an open position.
- FIG. 22 shows a perspective view from above of the MEMS inkjet layer of the printhead of FIG. 16.
- FIG. 23 shows a perspective view of a pen according to a further embodiment of the invention.
- FIG. 24 shows a perspective view of a pen according to a further embodiment of the invention.
- FIG. 25 shows a perspective view of a pen according to a further embodiment of the invention.
- FIG. 26 shows a perspective view of a pen according to a further embodiment of the invention.
- FIG. 27 shows a color card for use with various embodiments of the invention.
- FIG. 28 shows a perspective view of a pen according to a further embodiment of the invention with a cap on.
- FIG. 29 shows a perspective view of the pen of FIG. 28 with the cap off.
- FIG. 30 shows an exploded perspective view of the FIG. 29 pen.
- FIG. 31 shows an exploded perspective view of parts of the FIG. 29 pen.
- FIG. 32 shows another exploded perspective view of parts of the FIG. 29 pen.
- FIG. 33 shows another exploded perspective view of parts of the FIG. 29 pen.
- FIG. 34 shows a perspective view of a pen according to a further embodiment of the invention.
- Note: Memjet™ is a trademark of Silverbrook Research Pty Ltd, Australia.
- Basic Pen & Cartridge Construction
- FIGS.1 to 6 show a
pen 1110 according to a first embodiment of the invention. The pen has a generallytubular pen body 1112 in which is located areplaceable cartridge assembly 1114. Thecartridge 1114 includes anink supply 1116,stylus nib 1118 andprinthead 1120 and is designed to be discarded when the ink supply is expended or the stylus or printhead are damaged, with a new cartridge being inserted into the pen body. However the pen may be manufactured as a throw-away item with the cartridge and pen body integral or not end user separable. - The
ink supply 1116 comprises an elongatehollow tube 1122 which is closed at one end by afirst end cap 1124 and at the other end by asecond end cap 1126. Thetube 1122 is preferably made of a thermoplastics material but may be made of other materials. When made of a plastics material the tube is preferably extruded so as to have a constant cross sectional profile. However the tube may be injection molded. If made of metal, the tube may be also extruded. Thetube 1122 has a number ofribs 1128 which divide the interior of the tube into fourseparate chambers - The
chamber 1130 occupies approximately half of the tube volume whilst the three remaining chambers each occupy one sixth of the tube volume. In a CMYK color printing device black is normally printed more than color and so black ink would be stored inchamber 1130 with the three other colors stored inchambers - The
first end cap 1124 is shaped to substantially seal the ends of each of the chambers. Theend cap 1124 includessmall air inlets 1140 to allow air into the chambers as the ink is used. To prevent drying of the inks through evaporation (the inks used are usually water based) a movable seal, not shown, is provided between the ink and theend cap 1124. As ink is used, the seal moves along the respective chamber. - The
second end cap 1126 is also shaped to substantially seal each of the chambers but is provided with ink galleries 1178 (see FIG. 15) which communicate the chambers with theprinthead 1120, bonded to the free end of thecap 1126. The printhead is preferably an ink jet type printhead and more preferably a microelectromechanical system (MEMS) based inkjet. MEMS based inkjets expel ink using mechanical actuators rather than by heating of the ink, as currently used by most ink jet type printers currently available. As such MEMS based inkjets have a lower power consumption compared to such printers, which makes them attractive for use in portable devices where available power is limited. For a better understanding of MEMS ink jet devices and methods of fabrication, reference is made to our earlier U.S. application Ser. No. 09/575,125 (docket no. IJM52US), the contents of which are incorporated herein by reference. - The printhead is bonded to the
end cap 1126 but mounted on a flexible printed circuit board (PCB) 1144 which includes control andpower contacts 1146. - A
stylus nib 1118 is mounted on theend cap 1126 so as to be capable of a small amount of axial movement. Axial movement of thestylus nib 1118 is controlled byintegral arms 1148 which extend laterally and axially away from the inner end of the stylus to bear against a land 1184 (see FIG. 15). In use, pressing the stylus against a substrate causes thearms 1148 to bend and allows the stylus to retract. The stylus is preferably formed by injection molding of a thermoplastic material, most preferably Acetyl. This movement is typically a maximum of amount 0.5 mm and provides some feedback to the user. In addition the flexibility of the stylus nib accommodates a small amount of roughness in the substrate surface. If desired the stylus nib may be fixed with substantially no movement allowed. - The
first end cap 1124 is shaped to receive a small button orcylinder type battery 1138. The battery may merely sit on the end of the end cap or it may be inserted sideways into a chamber in the end cap. Locating the battery in a chamber enables both terminals of a button or cylindrical type battery to be easily engaged by electrical contacts in the chamber. Merely sitting the battery on the end only allows easy engagement with one terminal. One or two wires or otherelectrical paths 1139 are provided which connect one or both terminals of thebattery 1138 with thePCB 1144. - A
nib cap 1152 extends over theend cap 1126,printhead 1120,PCB 1144 andstylus nib 1118 and anaperture 1154 is provided through which thefree end 1156 of thestylus nib 1118 projects. Theaperture 1154 is oval in shape and allows theprinthead 1120 to expel ink though the aperture below the stylus nib. - The
cartridge 1116 is positioned in thepen body 1112 and secured in place by one or more resilientsnap action arms 1158 integrally formed on thenib cap 1152. Where thebattery 1138 is securely mounted on the end cap with both terminals in electrical connection with thePCB 1144, the cartridge need not otherwise engage thepen body 1112. Where only one terminal is connected to the PCB, the pen body may be used to provide the path for the other terminal, via switches if desired, in which case the free end of the battery engages a terminal mounted in theclosed end 1160 of thebody 1112. - In a monochrome pen the minimum functionality required to control the printhead is an on/off switch and circuitry for controlling the ink jet actuators. The PCB or the printhead itself incorporate the control circuitry for the ink jet actuators. The on/off switch is preferably controlled so that ink is only ejected when the stylus nib is pressed on a substrate. Pressing the stylus against a substrate results in a compressive force in the stylus nib. In this embodiment this results in movement of the stylus and the on/off switch may be activated by the movement, by sensing the compressive force or by other means. Where the stylus is substantially fixed, movement of the stylus nib relative to the rest of the pen is not available.
- The PCB and printhead circuitry may be permanently connected to the battery or the pen may be provided with a separate “master” on/off switch. Provision of a master on/off switch allows the user to use the pen in a non-marking mode, such as for use with a touch screen of a personal organizer type device. Other mechanisms may be used to ensure no printing of the pen, as will be explained later. Where there is no override type system, such that the pen is permanently “on”, the printhead or PCB circuitry or both preferably include “sleep mode” type circuitry which turns off most of the electrical circuits to conserve battery power. Pressing the stylus nib results in “wake up” of the electrical systems and printing. Being a solid state device, the delay in commencing printing caused by changing from a sleep mode to an active mode will be so small as to be unnoticed by a user. If the pen includes a motion sensing device, such as an accelerometer, then this sensor can “wake up” the pen on sensing motion above a specified threshold.
- As best seen in FIGS. 1 & 3 the
pen body 1112 is not symmetrical but instead is provided with afinger grip 1162. Thisfinger grip 1162 encourages the user to hold the pen in an orientation with thestylus nib 1118 above theprinthead 1120. However, the orientation of the pen is not critical and the pen is configured so that the stylus nib will not obstruct the path of ink from the printhead to the paper at any orientation, as shown in FIG. 7. - FIG. 7 shows the stylus nib resting against paper at three different orientations, indicated by
numbers line 1170.Paper sheet 1164 represents an orientation with the stylus nib above the printhead whilstpaper sheet 1166 represents an orientation with the stylus nib below the printhead.Paper sheet 1168 represents an orientation with the stylus nib to the side of the printhead. As seen, the stylus nib does not obstruct the path of the ink to the paper at any orientation. - FIG. 8 shows a
cartridge 1172 similar to that of FIGS. 1 to 6 except that the cartridge does not include a battery. The cartridge is otherwise substantially identical to the cartridge of FIGS. 1 to 6 and so the same parts are identified with the same numbers. The main differences are thatend cap 1174 is a simple plug and has no provision for receiving a battery. In addition there is no electrical connection or wires extending to thePCB 1144. Thecartridge 1172 is intended for use in a pen body which includes a power source, either a battery or a wired connection. The body of the pen includes electrical terminals for contacting with thePCB 1144. Theink supply 1116 may be the same length as that of the self powered embodiment or it may be a different length. The battery in the pen may be disposable or a rechargeable type battery. - The cartridges preferably include identity information hard coded or stored in non-volatile memory which identifies one or more characteristics of the cartridge, such as whether the cartridge is a mono or color cartridge, the maximum width of line possible, etc. In addition the cartridges may include circuitry for monitoring ink levels in each chamber or for detecting when an ink has run out. This information may be made available to the pen via the contacts on the
PCB 1144. Alternatively, the pen controller may decrement values from a calculated, assumed or cartridge supplied initial ink volume as printing occurs. In one form the cartridge may store the initial ink volume in non-volatile memory and the pen may extract this information from the cartridge when the cartridge is installed. This enables the cartridge to be a relatively “dumb” device. - Pen with Sensor
- A pen with a built-in optical sensing device is show in FIGS. 9 and 10. The
pen 1200 has abody molding 1202, achassis molding 1204 and afront molding 1206. Thepen 1200 uses acartridge 1208 the same as shown in FIGS. 1 to 6, i.e. a self powered disposable cartridge. - The pen also includes an optical sensing package1210 which comprises a
PCB 1212 and anoptical molding 1214. ThePCB 1212 includes animage sensor device 1216, alight source device 1218,processing chips 1220,radio transmitter chip 1222,display LEDs 1224 and aerial 1226. The aerial 1226 is connected to thePCB 1212 viawire 1228. The PCB optionally includes anaccelerometer 1230. Theimage sensor device 1216 may be responsive to a narrow band of electromagnetic wavelengths or to a wide band. Thelight source device 1218 emits electromagnetic radiation at some or all of the wavelengths to which the sensor device responds. Theimage sensor device 1216 is preferably comprised of one or more charge coupled devices (CCD) or Complementary Metal Oxide Semiconductor (CMOS) image sensors. Thelight source 1218 is preferably comprised of one or more LEDs which emit electromagnetic radiation at one or more pre-selected wavelengths. The light sources and image sensors may be provided with one or more filters to filter out unwanted wavelengths. In some circumstances it may be desirable to have a first set of image sensors responsive only to infrared radiation and a second set only responsive to visible light. Similarly it may be desirable to have a first set of light sources which emit only to infrared radiation and a second set which emit only visible light. Other combinations of wavelengths are possible and the device may be responsive to more that two bands of wavelengths. - In our earlier applications U.S. Ser. No. 09/575,174 (docket no. NPS001US), U.S. Ser. No. 09/575,187 (docket no. NPP001US) and U.S. Ser. No. 09/575,129 (docket no. NPT002US) we have disclosed a system referred to as netpage which includes a pen for sensing invisible tags printed onto paper. The
pen 1200 may include all of the functionality of the netpage pen disclosed in our earlier application and, in effect, be a netpage pen with a controllable marking function. - Light emitted by the
light source device 1218 is guided by the optics molding 1214 tolens 1232 and then to the substrate in use. Light received by the lens is guided by the optics molding 1214 to theimage sensor device 1216. Where there are multiple light sources or image sensors, the optics molding includes beam combiners and splitters and filters as required. The lens is preferably part of the optics molding and the front molding has anaperture 1233 through which light passes from and to theoptics molding 1214. Theaperture 1233 may be defined by the lack of material or by the provision of material substantially transparent to the light used by the image sensing device(s) 1216. - The PCB is mounted in
slots 1234 in thechassis molding 1204 with the aerial extending in a slot (not shown) in the upper surface of thechassis molding 1204. The chassis molding slides into the body molding and is retained in position by thefront molding 1206. Thefront molding 1206 is a snap fit in the body molding with a snap fitting (not shown) engaging inrecess 1236 of the body molding. Thepen PCB 1212 engages the contacts ofcartridge PCB 1144 to receive power from the battery carried by the cartridge and to control the operation of theprinthead 1120. Control of the printhead depends on the application and the processor and will be discussed in later sections of this document. - Control of Printhead
- FIGS.11 to 13 show a
pen 1250 according to a further embodiment of the invention. The pen has a simpletubular body 1252 in which anink cartridge 1114 is received. Thecartridge 1114 may be a monochrome ink cartridge or a color cartridge. Thebody 1252 includes aPCB 1254 on which is mounted a processor chip orchips 1256 and apotentiometer 1257. The potentiometer is positioned to lie under the upper surface of thebody 1252 and is connected to anexternal slider 1258. Theslider 1258 slides inslot 1260 of the body. ThePCB 1254 includescontact pads 1262 which engagecontacts 1146 of thecartridge 1114 to receive power and to control theprinthead 1120. - The potentiometer is capable of adjusting one characteristic of the ink deposited by the
printhead 1120. This may be the amount of ink deposited, the width of the line produced, the color of the ink deposited (in a color cartridge) or any other attribute. - As mentioned earlier the cartridges may include information which identifies one or more characteristics of the cartridge, such as whether the cartridge is a mono or color cartridge, the maximum width of line possible, etc. The
processor 1256 of thepen PCB 1254 can obtain this information from the cartridge and change the relevant attribute of theprinthead 1120. Thecartridge 1114 may include anarea 1268 which indicates the attribute that may be modified. The information may be printed on the cartridge body directly or attached by way of a sticker. The body may include atransparent area 1264 adjacent theslider 1256 through which thearea 1268 is visible. Thus, for instance, a color cartridge whose color output may be modified may have a rainbow stripe atarea 1268 which is visible througharea 1264. The user can select any color merely by sliding theslider 1258 so thatindex line 1266 is adjacent the required color. A mono cartridge with adjustable line width can have a wedge representing the line width extending axially. Obviously other attributes are controllable. - Printhead and Stylus Nib
- FIGS. 14 and 15 show in detail a preferred arrangement printhead and stylus nib for use in the cartridge and pen of the present invention and as used in the cartridges of FIGS. 5, 6 &8. As such the same parts have the same reference numbers.
- The
printhead 1120 is mounted onPCB 1144 and is received in arecess 1176 inend cap 1126. Both the printhead and the recess are non-circular too aid in correct orientation. Theend cap 1126 includes fourink galleries 1178 which each exit into therecess 1176 atink outlets 1180. These outlets communicate withink inlets 1182 ofprinthead 1120. - The
stylus nib 1118 is mounted in aslot 1184 ofnib cap 1152 and held in place bysurface 1190 of theend cap 1126. The cantileveredarms 1148 bear againstland 1185 and bias the stylus nib outwards. Thefront portion 1186 of the stylus nib is circular in cross section but theback portion 1188 has aflat surface 1191 which slides oversurface 1190 ofend cap 1126. - The stylus nib includes a
slot 1181 which extends obliquely along theflat surface 1191. Theprinthead 1120 includes arotary capper 1183. The capper is movable between first and second operative positions. In the first position the ink ejection nozzles of the printhead are covered and preferably sealed to prevent drying of the ink in the printhead and ingress of foreign material or both. In the second position the ink ejection nozzles of the printhead are not covered and the printhead may operate. Thecapper 1183 includes anarm 1185 which engages theslot 1181. Thus as the stylus nib moves in and out relative to the printhead thecapper 1183 is caused to rotate. When the stylus nib is under no load and is fully extended the capper is in the first position and when the stylus nib is depressed the capper is in the second position. Thecapper 1183 may incorporate an on/off switch for theprinthead 1120, so the printhead can only operate where the capper is in the second operative position. The slot may have an oblique portion to open and close the capper and then a portion extending axially where no movement of the capper occurs with stylus nib movement. - Printhead and Capper Construction
- The construction and arrangement of the
printhead 1120 andcapper 1183 are shown in FIGS. 16 to 24 inclusive. Theprinthead 1120 is an assembly of fourlayers Layer 1306 is a layer of electrically active semiconductor elements, including MEMSink ejection devices 1310.Layer 1306 has been constructed using standard semiconductor fabrication techniques.Layers ink ejection devices 1310 from theink inlets 1182. Thelayer 1308 is also electrically inactive and forms a guard withapertures 1320 above eachink ejection device 1310 to allow ink to be ejected from the printhead. Thelayers layer 1306 or even a semiconductor but by using the same material one avoids problems with material interfaces. Further, by using semiconductor material for all components the entire assembly may be manufactured using semiconductor fabrication techniques. - The
printhead 1120 has fourink inlets 1182 and theink ejection devices 1310 are arranged into twelve sets, each of which extends roughly radially outwards from thecenter 1300 of the printhead. Every fourth radial line ofink ejection devices 1310 is connected to the same ink inlet. Ink ejection devices connected to the same ink inlet constitute a set of ink ejection devices. Theink ejection devices 1310 are arranged on alternate sides of a radial line, which results in closer radial spacing of their centers. (Is there any other reason?). The twelve “lines” ofink ejection devices 1310 are arranged symmetrically about thecenter 1300 of the printhead, at a spacing of 30°. It will be appreciated that the number of “lines” ofink ejection devices 1310 may be more or less than twelve. Similarly there may be more or less than fourink inlets 1182. Preferably there are an equal number of lines for eachink inlet 1182. If a single ink is used in the cartridge the ink inlets need not feed equal numbers of “lines” of ink ejection devices. - The
layer 1306 includes atab 1311 on which there are provided a number of sets ofelectrical control contacts 1312. For clarity only four contacts are shown; it will be appreciated that there may be more, depending on the number of different color inks used and the degree of control desired over each individualink ejection device 1310 and other requirements. The printhead is mounted on thePCB 1144 by bonding the tab onto thePCB 1144. Theelectrical contacts 1312 engage corresponding contacts (not shown) on thePCB 1144. Thelayer 1306 includes control circuitry for each ink ejection device to control the device when turned on. However, generally, all higher level control, such as what color inks to print and in what relative quantities, is carried out externally of the printhead. This may be by circuitry on thePCB 1144 or pen PCBs such as 1212 of the FIGS. 9 & 10 device or 1254 of the FIGS. 11, 12 & 13 device. These higher level controls are passed to theprinthead 1120 viacontacts 1312. There is preferably at least one set ofcontacts 1312 for each set of ink ejection devices. However each line or each individual ink ejection device may be addressable. At its simplest, each set may be merely turned on or off by the control signals. - As seen in FIG. 16 in plan view the
printhead 1120 has a substantially octagonal profile withtabs tab 1314 is formed oflayers tab 1316 is formed of all fourlayers PCB 1144 to be bonded to thelayer 1306 without extending above the top oflayer 1308. The octagonal shape with tabs also aids in locating the printhead in therecess 1176 in theend cap 1126. - The
capper 1183 is also preferably formed of the same semiconductor material as the print head and is mounted on the printhead for rotation about the printhead'scenter 1300. As with the non electrically active layers, the capper need not be the same material as the print head or even be a semiconductor. The capper may be rotated between an open position (see FIG. 17) and a closed position (see FIG. 18). The open position is shown, with the closed position shown in dotted outline in FIGS. 16 and 18. Thecapper 1183 has twelve radially extendingapertures 1318. These apertures are sized and arranged so that in the open position all of the ink ejection devices are free to eject ink through the apertures. In the closed position theapertures 1318 overlie material between the lines of ink ejection devices, and the material of the capper between theapertures 1318 overlies theapertures 1320 in theupper layer 1308. Thus ink cannot escape from the printhead and foreign material cannot enter into theapertures 1320 and the ink ejection devices to possibly cause a blockage. Theapertures 1318 are preferably formed in thecapper 1183 using standard semiconductor etching methods. In the embodiment shown, each aperture is equivalent to a series of overlapping cylindrical bores, the diameter of which is a function of radial distance from the capper'scenter 1300. Alternatively, the apertures may be defined by two radially extending lines at a small angle to each other. It will be appreciated that the outside of the capper moves more than the inside when rotated so the apertures need to increase in width as the radial distance increases. - The capper is substantially planar with eight
legs 1322 extending downwards from the periphery of thelower surface 1326. These legs are spaced equally about the circumference and engage in correspondingslots 1328 formed in the peripheral edge of theupper surface 1329 of theupper layer 1308. The slots are rectangular with rounded inner corners. Theinner surface 1330 of theslots 1328 and the inner surface of the legs may be arcuate and centered on the printhead'scenter 1300 to aid in ensuring the capper rotates about thecentral axis 1300. However this is not essential. In the embodiment shown, each face of the octagon has aslot 1328 but this is not essential and, for instance, only alternate faces may have a slot therein. The symmetry of thelegs 1322 andslots 1328 is also not essential. - Rotation of the capper is caused by engaging
arm 1185 in theangled slot 1181 in the stylus nib. Rotation of the capper is ultimately limited by thelegs 1322 andslots 1328. To prevent damage to the capper, printhead or the stylus nib, thearm 1185 has a narrowedportion 1334. In the event that the stylus nib is pushed in too far, thearm 1185 flexes about the narrowedportion 1334. In addition,guard arms 1336 are provided on either side of thearm 1185 and also serve to limit rotation. Therecess 1176 into which the printhead is inserted has an opening in which the guard arms are located. If for some reason the capper is rotated too much, the guard arms contact the side of the opening and limit rotation before thelegs 1322 contact the ends of theslots 1328. - Printhead Actuation
- Whilst the pen may be turned on, it is desirable that the print head only actuate when the stylus nib is pressed against a substrate. The stylus nib may cause a simple on-off switch to close as it moves into the pen. Alternatively, a force sensor may measure the amount of force applied to the stylus nib. In this regard the cantilevered
arms 1148 may be used directly as electrical force sensors. Alternatively, a discrete force sensor may be acted upon by the inner end of the stylus nib. Where a force sensor is utilized, it may be used merely to turn the printhead on or off or to (electronically) control the rate of ink ejection with a higher force resulting in a higher ejection rate, for instance. The force sensed may be used by a controller to control other attributes, such as the line width. Rotation of the capper may also cause an on/off switch to change state. - Printhead Ink Passageways
- The printhead has the different color ink ejection devices arranged radially and this presents problems in supplying ink to the ejection devices where the different color ink ejection devices are interleaved. In conventional printers the ink ejection devices are arranged in parallel rows and so all the different inks may be supplied to each row from either or both ends of the row. In a radial arrangement this is not possible.
- The rear surface of the
bottom layer 1302 is provided with fourink inlets 1182. These inlets are oval shaped on the rear surface for approximately half the thickness of thelayer 1302 and then continue as acircular aperture 1340 through to the upper surface. The rear surface of thelayer 1302 also has fourgrooves lower layer 1302 seals against theend cap 1126 so these grooves define sealed passageways. - As mentioned above, there are four ink inlets and twelve lines of
ink ejection devices 1310, so three lines of ink ejection devices need to receive ink from the same ink inlet. Referring to FIG. 21, a first set of three lines of ink ejection devices is numbered as 1370, 1371 & 1372. This set receives ink supplied byink inlet 1182 a. Thesecond layer 1304 has aslot 1350 extending through its thickness under the line of ink ejection devices. The outer end of theslot 1350 is aligned with theink inlet 1182 a and so supplies ink to the devices ofline 1370 above it, as seen in FIG. 19. The other end of theslot 1350 aligns withhole 1356 inlayer 1302 to communicate withgroove 1342. The ends ofgroove 1342 haveholes 1358 & 1360 to the upper surface and these communicate withslots lines ink inlet 1182 c torespective lines -
Ink inlet 1182 b communicates withslot 1362 and so supplies line 1373 of ink ejection devices. The inner end ofslot 1362 communicates withhole 1364 inlayer 1302. Thishole 1364 communicates withgroove 1344. The other end ofgroove 1344 has ahole 1366 extending to the upper surface which communicates withslot 1368. Theslot 1368 extends underlines inlet 1182 d to thelines - Color Control Via Potentiometers
- FIG. 23 shows a four
color pen 1400 having apen body 1402 and a replaceable fourcolor ink cartridge 1114. The pen body 1401 includes threerotary potentiometers display 1410 which displays a color corresponding to the settings. Thedisplay 1410 is preferably an organic light emitting diode (OLED) display capable of displaying the required colors. Alternatively the display may be a combination of several different colored pulse width modulated LEDs or a color LCD. A passive display may be provided with a graphical representation of the effect of each control printed on the surface adjacent the respective control. A further variation provides a display which outputs numeric values of Hve, Saturation and Value (HSV) or text. The display may be omitted and the user may merely rely on drawing a sample line to obtain the desired attributes. The potentiometers may be linear rather than rotary potentiometers. - It will be appreciated that other color control models may be used. Instead of controlling HSV the potentiometers may control Red, Green, & Blue (RGB) attributes or the relative amounts of Cyan, Magenta and Yellow (CMY) inks deposited. The pen may be provided with an ability to allow the potentiometers to change any of HSV, RGB or CMY.
- Color Control Via Cycle Buttons
- FIG. 24 shows a
pen 1420 including apen body 1422 and a replaceable fourcolor ink cartridge 1114. Thepen body 1422 includes acolor display 1424, preferably an OLED and threecontrol buttons control button 1426 is operable to place the pen in a “select” mode, whereby thebuttons display 1424 displaying the corresponding color to be printed. Thebuttons 1428 & 1430 cause the pen to scroll through the values in different directions. Thebutton 1430 may be omitted if scrolling in one direction is acceptable. Once the desired value is displayed, it may be selected via thebutton 1426 and the pen will then produce the selected combination until it is changed. - Line Attribute Control Via Cycle Buttons
- FIG. 25 shows a
pen 1432 including apen body 1434 and a replaceable fourcolor ink cartridge 1114. Thepen body 1434 includes acolor display 1436, preferably an OLED, and threecontrol buttons control button 1438 is operable to place the pen in a “select” mode, whereby thebuttons display 1436 displaying the corresponding line to be printed. Thebuttons 1428 & 1430 cause the pen to scroll through the types in opposite directions. Once the desired value is displayed, it may be selected via thebutton 1438 and the pen will then produce the selected line type until it is changed. It will also be appreciated that the line width may be modified in a similar manner, with the pen having a number of line widths stored and which may be selected by the user. - Other control models are within the scope of the invention and the invention is not limited to control of attributes via potentiometers or control buttons.
- In will be appreciated that a single pen may provide control of color, line type and line width, and other attributes as desired, with a single display and three control buttons, with the selection button causing the pen to cycle through available attributes, such as color, line type and line width. Additionally buttons may be provided for cycling through color components individually, such as hue, saturation and value
- Netpage Sensing
- FIG. 26 shows a
pen 1450 having a fourcolor ink cartridge 1114 and apen body 1452. The pen body incorporates thesensor package 1454 described with reference to FIGS. 9 and 10 and which is capable of imaging a substrate. The pen body includescontrol buttons 1456 and non volatile memory (not shown). The pen is operable to “pick” a color from any object by “clicking” thestylus nib 1118 against the object either alone or in conjunction with pushing an appropriate one ofbuttons 1456. Acolor card 1510, shown in FIG. 27 may be provided with a rainbow of pre definedcolors 1512 for use with the pen. The card also includes anarea 1514 for setting the brightness of the color and anarea 1516 for selecting a line width and/or style. - The
sensor package 1454 may be capable of detecting and decoding netpage tags as described in our earlier application U.S. Ser. No. 09/575,129 (docket no. NPT002US) and a “color card” may be provided with a series of color samples, each of which is also invisible encoded with netpage type tags. The tags for each color sample may merely indicate function rather than position, such as “set the color to X” where X is the color of the sample. The pen includes memory in which the function associated with a particular tag code is stored. To set the pen to a particular color the user merely clicks the desired color and the pen senses and decodes the tag. - An alternative structure of the color card (not shown) may include two command areas. The first area includes tags equivalent to a command of “place in color selection mode” or “pick” mode whilst the second area includes tags equivalent to the command of “set the color to the current color”, or “set” mode. To select a color the user may merely “click” on the first area, click on the desired color sample and then click on the second “set” area.
- In a further variation the color card may include a series of different colors whose values are encoded in a single tag. The card may include an area encoded with these tags so that a user may click the area and upload a series of colors rather than just one.
- Alternatively the tags may operate as in the netpage system where the tags are decoded and transmitted to a netpage server. The server determines the function associated with the tags and transmits an appropriate instruction back to the pen. In this regard reference is made to the FIGS. 9 & 10 embodiment which includes appropriate hardware (transmitter and aerial) for transmitting and receiving information to an external device.
- Where a pen is connected to a computer system the attributes of what is printed may be set by the user using the computer rather than controls on the pen.
- The color card may also include areas which allow the user to set any other attribute of the line printed, such as line type or line width.
- The display may be used to display modal, selection, and status information, including:
- mode name
- current color/texture for drawing/painting
- current line width for drawing
- current brush for painting
- first few words of current text selection
- image fragment of current image selection
- Universal Resource Iocator (URI) of hyperlink selection
- pen status (power, communication with printer, etc.)
- error messages
- Sensing with Sensor at Top of Pen
- FIGS.28 to 33 shows a
pen 1470 including a replaceable fourcolor ink cartridge 1114. Thepen body 1472 includes anoptical sensor device 1474 at its top end. The pen body includes acolor display 1476 and acontrol button 1478. The display and control button are mounted on afirst PCB 1480, together with a controller chip orchips 1479. The chip(s) 1479 include a small amount of non volatile memory capable of storing a small number of color (or other attributes) samples. The PCB includescontact pads 1483 for contacting with the contact pads of theink cartridge 1114 and for receiving power and controlling theprinthead 1120. Thesensor device 1474 is mounted on asecond PCB 1482 which engages with contacts (not shown) on the first PCB. Two PCBs are provided for ease of manufacturing and a single PCB may be provided on which all components are mounted. - The
sensor device 1474 includes achassis molding 1484. This molding is seated in a recess in the internal end of the pen body and is in a substantially fixed position. There is provided an image sensor capable of sampling any visible color. Thesensor 1486 is preferably a RGB photoreceptor. Other point, line or image sensors may be used. - The
molding 1484 includes arecess 1488 in which is located amovement switch 1490. This switch is sandwiched between the molding and thePCB 1483 on which theimage sensor 1486 is mounted. Theswitch 1490 is normally open but is closed by a compressive force. Alens molding 1492, which includes alens 1494, is slidably mounted in the end of the pen and bears against thePCB 1482. Themolding 1492 includes a stand-off ring 1496 to prevent thelens 1494 contacting a generally planar substrate. Light enters thelens 1494 and is focused/directed onto the point, line orimage sensor 1486. Thelens molding 1492 may be pressed into the pen, compressing the switch and causing it to change state from open to closed. On release of the compressive force the switch urges themolding 1492 outwards. - The color of the line produced by the pen may be controlled in a variety of ways. As mentioned, the
controller chips 1479 are capable of storing a number of different colors. The color to be printed may be selected from the stored colors by use of thecontrol button 1478. The selected color is displayed on the color display. It is also possible to sample and store custom colors in the memory using theimage sensing device 1474. The user may “click” theoptical sensor device 1474 against a sample of the desired color. This causes theswitch 1490 to close and the color detected by theimage sensor 1486 is passed to the controller chip(s) 1479. The controller chip then sets the color to be printed and displayed to the sampled color. The user may change colors by “clicking” on a different color sample or by using thecontrol button 1478 to select one of the stored colors. - Colors sampled with the sensing device may be stored in the memory for later use. After “clicking” on the sample the user may depress the
button 1478 to store the sampled color in memory, preferably within a preset time, such as 5 seconds. If the button is not pressed the color is treated as a “temporary” color and is not stored. The memory may only be capable of storing a small number of colors, such as five or ten; storing more colors may be possible but makes selection of the desired color more difficult to the user. Where the memory has reached capacity, the pen may implement one of a number of schemes for deleting a stored color to make space for the new color. Deletion may be of the oldest color stored, the color least recently used, the color least frequently used, etc. Alternatively, the user may be prompted to manually delete a color and to then resample the color to be stored. Other deletion schemes are within the scope of the invention. - Other modes of operation are possible; for instance, the pen may automatically store all sampled colors rather than requiring user input. The pen may provide two or more separate memories (even if there is only one physical memory device). A first memory may be used to store “favorite” colors and the second memory for storing “temporary” colors.
- The sensor may be used to sample attributes other than color, such as line width and line style.
- Line Style or Color Control by Drawing
- FIG. 34 shows a
pen 1500 having apen body 1502 and areplaceable cartridge 1114. The cartridge may be a monochrome or four color cartridge. The pen body includes acontrol button 1504 and anindicator 1506. The indicator may be a single or multi color LED assembly and may be separate or incorporated into the control button. The pen includes controller circuitry for controlling theprinthead 1120 and non volatile memory for storing attributes of the line printed. The pen has two modes; a first mode in which it prints the currently selected set of attributes and a second mode for selecting one of the stored set of attributes. The pen is normally in the first mode and is set in the second mode when a user presses thecontrol button 1504. Preferably thecontrol button 1504 is located on the pen such that in normal use the user is unlikely to accidentally press the button but it is easily accessible. One location is the top 1508 of the pen, although this requires two hands to operate. Near the nib area allows operation with one hand. - When in the second mode the pen preferably indicates this by way of the
indicator 1506. The indicator may be inactive in the first mode and flash or change color in the second mode. If desired the indicator may be omitted. - To cycle through the available sets of attributes the user merely draws a line on a piece of paper or the like. As discussed above, the printhead is only activated when the stylus nib is pressed on the paper. Thus cycling through the sets can be triggered by the commencement or ceasing of drawing. In the preferred form the user draws a line and lifts the pen. The attribute set just drawn is set to the “current” attribute set on “lift off” of the stylus nib. If the user presses the
button 1504 the pen continues printing with the “current” attribute set, i.e. the line just drawn. If the button is not pressed then on “put down” of the stylus nib the “current” attribute set is changed to the next set in the memory and that new attribute set is printed. By drawing lines one after the other the pen is caused to cycle through the available attribute sets. The attribute sets may be colors, line widths, line styles or any other characteristic which may be changed, or a combination of such characteristics. The pen may have a number of groups of attribute sets, such that a first group allows color selection, a second group allows line style selection and a third group allows line width selection, for example. Selecting the appropriate group to modify may be achieved using thecontrol button 1504. Alternatively, one may cycle through all members of all groups sequentially. - Indirect Printing
- Although direct printing of ink onto a substrate is the preferred printing method, indirect printing is possible. A small Memjet printhead can be used to construct a universal drawing implement. A small cylindrical roller is in contact with the page. The roller spins freely about the axis of the stylus, so that as the roller is dragged across the page, it automatically orients itself so that it is at right angles to the direction of motion. The Memjet printhead is mounted behind the roller. It prints onto the back of the roller, and the roller transfers the printed image onto the page. A small cleaning station cleans any ink off the surface of the roller after it has contacted the page, so that the printhead always prints onto a clean surface. The printhead reproduces a contone color image via dithered bi-level CMY or CMYK. The stylus can be programmed to produce any colored, textured continuous line or paint stroke. The rate of printing is dictated by the speed of movement of the roller relative to the page. This can be determined in several ways, e.g., from the actual rotation of the roller, or by continuously imaging the surface and detecting movement in the same way as a second-generation optical mouse, or by sensing and decoding the map of a self-mapping surface.
- The stylus can also be switched into non-marking mode, obviating the need for both marking and non-marking nibs.
- The user can load virtual colors, textures and line styles into the universal pen from printed palettes. The stylus can optionally indicate its current settings via an LCD or LEDs.
- Stroke Effects
- The pen of the present invention is capable of many varied stroke effects. Some, such as color and line width are independent of time and position. Others, such as printing a dotted line are dependant on time and/or relative position of the pen. The FIGS. 9 & 10 embodiment optionally includes an accelerometer array. This array may be used to derive the relative position of the pen as it moves over a substrate. Thus a dot—dash line may be drawn with equal length dashes despite variations in pen speed. Many other effects are also possible, these including:
Stroke style Color texture (flat, image, procedural) Opacity texture (flat, image, procedural) Nib shape (2D shape, 3D shape, orientation) Determines stroke width Determines “cap” and corner shapes Varying style with Time (speed) Stroke width Opacity (airbrush) Space (including orientation) “Reveal” image “Checkered paint” Dashed line Rainbow colors “Image hose” Location On/off Specific style/current style Tilt 3D nib shape Force (“pressure”) Stroke width Opacity (airbrush) Simulated physics of nib, ink, paper, brush, paint and canvas Transfer of ink/paint from nib/brush to paper/canvas Striated brush stroke Layering (stroke on canvas and stroke on stroke) Diffusion Viscosity Mixing Kubelka-Munk color model Simulated lighting Light source direction and color Color physics of media Layering topography Examples Pen Ball-point Calligraphy Pencil Graphite Color Charcoal Oil paint Water color Crayon Pastel - In this regard reference is made to our earlier applications U.S. Ser. No. 09/112,777 (docket no. ART24), U.S. Ser. No. 09/112,797 (docket No ART30), U.S. Ser. No. 09/113,091 (docket no. ART47) and U.S. Ser. No. 09/113,054 (docket no. ART52).
- Motion Sensing
- The embodiment of FIGS. 9 & 10 optionally includes an accelerometer. The accelerometer may be used to provide relative motion sensing/positioning within a pen stroke or a number of strokes. This motion may be recorded and used to provide a digital ink record of the user's strokes. Relative motion sensing may be achieved by other means, such as gyroscopes or use of a rolling ball in contact with the substrate.
- Absolute positioning within a stroke is more desirable. The pen of FIGS. 9 & 10 has netpage functionality—it is capable of detecting and decoding invisible tags printed on a substrate. This netpage functionality provides the pen with the ability to fix its position on a netpage encoded substrate absolutely (and thus absolutely within a stroke) using the absolute positioning encoded in the tags. Alternatively, the pen may rely on the grid based layout of the tags to provide absolute positioning within the stroke without decoding the tags. Absolute positioning within the stroke may be achieved using other means, such as imaging the surface of the substrate and using the texture of the substrate to detect movement.
- As mentioned above, use of netpage tags enables absolute positioning within a page. This enables the pen to be controlled by a netpage application to mark a netpage surface. The user moves the pen over the page. As the pen moves it detects tags which enable its absolute position on the page to be established. The netpage application controls the pen to mark the page according to its position. As such the pen can be used to “reveal” an image by rubbing the stylus over the relevant portion of the page.
- Computer Interface
- The pen of FIGS. 9 & 10 is netpage enabled and has two way communication with a netpage server. Using appropriate software it is possible to control the attributes of the marking device from a netpage application. For example, the user may pick a color, a palette of colors, nib styles or line styles and download these into the pen's memory.
- The netpage tags may encode a function or location; the pen may have stored in memory functions, so that the pen can be controlled by sensed tags without the need to revert to a netpage server. Location code interpretation usually needs to be carried out by the netpage server.
- The netpage system includes a feature referred to as “digital ink” whereby the system records the path of the pen, to enable recordal of signatures. The pen of FIGS. 9 & 10 provides the ability to also record the “style” of the digital ink. The pen may transmit to the netpage server information relation to one or more attributes of the visible markings placed on the substrate. These attributes include but are not limited to color, line width and line style.
- Communication of the pen may be by infrared, short range (Digital Enhanced Telephone, Bluetooth) or long range Code Division Multiple Access (CDMA), Global System Mobile (GSM) radio transmission, via a local relay (Bluetooth to mobile phone)or via a temporary or permanent wired connection. A temporary wired connection may be useful for downloading an entire palette.
- Conclusion
- Whilst the invention has been described with reference to ink jet type marking devices, it is to be understood that the invention is not limited to ink jet type devices or devices which deposit material onto a substrate. The invention includes devices which alter the substrate, such as thermal printers and electronic paper type (e ink) printers, which change the state of electronically changeable elements of a substrate. For a better understanding of electronically active inks, reference is made to U.S. Pat. Nos. 6,017,584, 6,124,851, 6,120,839, 6,120,588, 6,118,426 and 6,067,185, all assigned to E Ink Corporation, the contents of which are included herein by reference.
- It will be appreciated that whilst the embodiments described each only include some of the features of the invention, some or all of the features disclosed in two or more different embodiments may be combined together.
- The present invention has been described with reference to a preferred embodiment and number of specific alternative embodiments. However, it will be appreciated by those skilled in the relevant fields that a number of other embodiments, differing from those specifically described, will also fall within the spirit and scope of the present invention. Accordingly, it will be understood that the invention is not intended to be limited to the specific embodiments described in the present specification, including documents incorporated by cross-reference as appropriate. The scope of the invention is only limited by the attached claims.
Claims (13)
1. A pen including a marking device operative to mark a visible path onto a surface, the marking device being electronically controllable to change the value of at least one attribute of the path, the pen including at least one position sensing device or a motion sensing device or both and a controller operable to change the value of at least one attribute, the value derived from the position of the pen relative to the surface, the speed of the pen relative to the surface or both.
2. The pen of claim 1 including at least one sensing device for sensing images or colors or both and wherein the controller is operable to change the value of the at least one attribute, the value derived from the sensed images or colors.
3. The pen of claim 2 wherein the or at least one of a plurality of sensor devices is capable of sensing images including coded data relating to attributes.
4. The pen of claim 1 wherein the at least one sensing device is located adjacent the marking device.
5. The pen of claim 1 wherein the at least one sensing device is located at one end of the pen and the marking device is located at the other end of the pen.
6. The pen of claim 6 wherein the at least one sensing device is operable by pushing the at least one sensing device against a surface.
7. The pen of claim 1 wherein including a user interface whereby a user may change the value of the at least one attribute.
8. The pen of claim 7 wherein the user interface includes a display for displaying information relating to the value of the at least one attribute.
9. The pen of claim 7 wherein the user interface is operable to cycle through the stored sets of values of at least one attribute.
10. The pen of claim 1 wherein the user interface includes at least one device selected from the group comprising a slider, a control button, a slider and at least one other control button. 11. The pen of claim 1 further including a memory for storing at least one user defined set of value the at least one attribute.
12. The pen of claim 11 wherein the stored sets of values of at least one attribute are cycled by sequentially displaying information on a display.
13. The pen of claim 1 wherein the at least one attribute includes marking or not marking.
14. The pen of claim 3 wherein the user defined set includes at least one value derived from an image or color sensed by the sensing device.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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US10/309,066 US20030118393A1 (en) | 1999-10-25 | 2002-12-04 | Universal pen with position or motion sensing |
US10/949,288 US7396177B2 (en) | 1999-10-25 | 2004-09-27 | Universal pen with position or motion sensing |
US11/706,966 US7396178B2 (en) | 1999-10-25 | 2007-02-16 | Universal pen with optical, position and/or motion sensors |
US12/121,783 US20080213030A1 (en) | 1999-10-25 | 2008-05-16 | Ink Cartridge For A Pen-Shaped Printer |
US12/341,757 US20090097905A1 (en) | 1999-10-25 | 2008-12-22 | Devices method and computer program for position determination |
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Application Number | Priority Date | Filing Date | Title |
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AUPQ3632 | 1999-10-25 | ||
AUPQ3632A AUPQ363299A0 (en) | 1999-10-25 | 1999-10-25 | Paper based information inter face |
AUPQ4392 | 1999-12-01 | ||
AUPQ4392A AUPQ439299A0 (en) | 1999-12-01 | 1999-12-01 | Interface system |
US09/693,704 US6808330B1 (en) | 1999-10-25 | 2000-10-20 | Universal pen with sampler |
US10/309,066 US20030118393A1 (en) | 1999-10-25 | 2002-12-04 | Universal pen with position or motion sensing |
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US10/949,288 Continuation US7396177B2 (en) | 1999-10-25 | 2004-09-27 | Universal pen with position or motion sensing |
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US09/693,388 Expired - Fee Related US6454482B1 (en) | 1999-10-25 | 2000-10-20 | Universal pen |
US09/693,216 Expired - Fee Related US6474888B1 (en) | 1999-10-25 | 2000-10-20 | Universal pen with code sensor |
US09/693,704 Expired - Fee Related US6808330B1 (en) | 1999-10-25 | 2000-10-20 | Universal pen with sampler |
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US09/693,388 Expired - Fee Related US6454482B1 (en) | 1999-10-25 | 2000-10-20 | Universal pen |
US09/693,216 Expired - Fee Related US6474888B1 (en) | 1999-10-25 | 2000-10-20 | Universal pen with code sensor |
US09/693,704 Expired - Fee Related US6808330B1 (en) | 1999-10-25 | 2000-10-20 | Universal pen with sampler |
US10/274,119 Expired - Fee Related US6957923B2 (en) | 1999-10-25 | 2002-10-21 | Electronically controllable pen device |
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US10/949,288 Expired - Fee Related US7396177B2 (en) | 1999-10-25 | 2004-09-27 | Universal pen with position or motion sensing |
US10/962,400 Expired - Fee Related US7168867B2 (en) | 1999-10-25 | 2004-10-13 | Universal pen with image sensor |
US11/181,754 Expired - Fee Related US7249901B2 (en) | 1999-10-25 | 2005-07-15 | Systems and methods for printing by using a position-coding pattern |
US11/185,722 Expired - Fee Related US7413363B2 (en) | 1999-10-25 | 2005-07-21 | Electronically controllable pen comprising a force switch |
US11/706,966 Expired - Fee Related US7396178B2 (en) | 1999-10-25 | 2007-02-16 | Universal pen with optical, position and/or motion sensors |
US12/121,783 Abandoned US20080213030A1 (en) | 1999-10-25 | 2008-05-16 | Ink Cartridge For A Pen-Shaped Printer |
US12/169,551 Expired - Fee Related US7771016B2 (en) | 1999-10-25 | 2008-07-08 | Laminated printhead arrangement for a pen nib printer |
US12/234,685 Expired - Fee Related US7722272B2 (en) | 1999-10-25 | 2008-09-21 | Pen-like device having inkjet printer |
US12/341,757 Abandoned US20090097905A1 (en) | 1999-10-25 | 2008-12-22 | Devices method and computer program for position determination |
US12/778,977 Expired - Fee Related US8061916B2 (en) | 1999-10-25 | 2010-05-12 | Printing device having retractable nib actuated printer |
US12/850,629 Abandoned US20100309250A1 (en) | 1999-10-25 | 2010-08-05 | Printhead for pen nib printer |
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US (17) | US6454482B1 (en) |
EP (3) | EP1235692A4 (en) |
JP (3) | JP2003512689A (en) |
KR (3) | KR100721381B1 (en) |
AU (8) | AU774025B2 (en) |
CA (3) | CA2388620C (en) |
HK (3) | HK1049310A1 (en) |
MX (3) | MXPA02004128A (en) |
SG (3) | SG147292A1 (en) |
WO (3) | WO2001030589A1 (en) |
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