CA2371968A1 - Identity-coded surface with reference points - Google Patents

Identity-coded surface with reference points Download PDF

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Publication number
CA2371968A1
CA2371968A1 CA002371968A CA2371968A CA2371968A1 CA 2371968 A1 CA2371968 A1 CA 2371968A1 CA 002371968 A CA002371968 A CA 002371968A CA 2371968 A CA2371968 A CA 2371968A CA 2371968 A1 CA2371968 A1 CA 2371968A1
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CA
Canada
Prior art keywords
region
tags
tag
region according
information
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.)
Granted
Application number
CA002371968A
Other languages
French (fr)
Other versions
CA2371968C (en
Inventor
Paul Lapstun
Kia Silverbrook
Simon Robert Walmsley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Silverbrook Research Pty Ltd
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from AUPQ0559A external-priority patent/AUPQ055999A0/en
Priority claimed from AUPQ1313A external-priority patent/AUPQ131399A0/en
Priority claimed from AUPQ3457A external-priority patent/AUPQ345799A0/en
Priority claimed from AUPQ4392A external-priority patent/AUPQ439299A0/en
Application filed by Individual filed Critical Individual
Publication of CA2371968A1 publication Critical patent/CA2371968A1/en
Application granted granted Critical
Publication of CA2371968C publication Critical patent/CA2371968C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

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    • G06V30/142—Image acquisition using hand-held instruments; Constructional details of the instruments
    • G06V30/1423—Image acquisition using hand-held instruments; Constructional details of the instruments the instrument generating sequences of position coordinates corresponding to handwriting
    • G—PHYSICS
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    • B41J2/2107—Ink jet for multi-colour printing characterised by the ink properties
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
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    • B42C9/0006—Applying glue or adhesive peculiar to bookbinding by applying adhesive to a stack of sheets
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/26—Delivering or advancing articles from machines; Advancing articles to or into piles by dropping the articles
    • B65H29/34—Delivering or advancing articles from machines; Advancing articles to or into piles by dropping the articles from supports slid from under the articles
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    • H04N2201/327—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of machine readable codes or marks, e.g. bar codes or glyphs which are undetectable to the naked eye, e.g. embedded codes

Abstract

A region defined in relation to a surface, and a method for defining such a region; coded data being disposed within the region, the coded data being indicative of an identity of the region and of a plurality of points within the region; in one embodiment, the coded data comprising a plurality of tags , each tag being indicative of the region identity and of its own position within the region.

Claims (107)

1. A region defined in relation to a surface, coded data being disposed within the region, wherein the coded data is indicative of:
a region identity associated with the region; and a plurality of points within the region.
2. A region according to claim 1, wherein the coded data includes at least one tag, each tag being indicative of the region identity and the position of the tag within the region.
3. A region according to claim 2, wherein each of the tags includes:
first identity data defining a relative position of that tag; and second identity data identifying the surface.
4. A region according to claim 3, including further tags that do not include both first identity data and second identity data.
5. A region according to claim 3, wherein the relative position is defined in relation to the surface.
6. A region according to claim 3, wherein the relative position is defined in relation to a plurality of the other tags.
7. A region according to claim 3, wherein the first identity data identifies stored information defining the relative position, the stored information not being stored on the surface.
8. A region according to claim 3, wherein the first identity data and the second identity data together identify stored information defining the relative position.
9. A region according to claim 3, wherein the surface is defined by a substrate.
10. A region according to claim 9, wherein the substrate is laminar.
11. A region according to claim 3, wherein the tags are disposed at predetermined positions on the surface.
12. A region according to claim 11, wherein the tags are disposed on the surface within a tessellated pattern comprising a plurality of tiles, each of the tiles containing a plurality of the tags.
13. A region according to claim 12, wherein the tiles interlock with each other to substantially cover the surface.
14. A region according to claim 13, wherein the tiles are all of a similar shape.
15. A region according to claim 14, wherein the tiles are triangular, square, rectangular or hexagonal.
16. A region according to claim 12, wherein the tags are disposed stochastically within each of the tiles.
17. A region according to claim 16, wherein the first identity data of each of the tags includes index data indicating the tile within which the tag is disposed and position data indicating the tag's position within that tile.
18. A region according to claim 3, wherein each of the tags includes at least one common feature in addition to the second identity data.
19. A region according to claim 18, wherein the at least one common feature is configured to assist finding and/or recognition of the tags by associated tag reading apparatus.
20. A region according to claim 18, wherein the at least one common feature is represented in a data format incorporating redundancy of information.
21. A region according to claim 20, wherein the at least one common feature is rotationally symmetric so as to be rotationally invariant.
22. A region according to claim 20, wherein the at least one common feature is ring-shaped.
23. A region according to claim 3, wherein each of the tags includes at least one orientation feature for enabling a rotational orientation of the tag being read to be ascertained.
24. A region according to claim 23, wherein the at least one orientation feature is represented in a format incorporating redundancy of information.
25. A region according to claim 24, wherein the at least one orientation feature is rotationally asymmetric.
26. A region according to claim 24, wherein the at least one orientation feature is skewed along its major axis.
27. A region according to claim 3, wherein each of the tags includes at least one perspective feature for enabling a perspective distortion of the tag being read to be ascertained.
28. A region according to claim 27, wherein the at least one perspective feature includes at least four sub-features which are not coincident.
29. A region according to claim 3, wherein each tag includes a plurality of tag elements, the first and second identity data each being defined by a plurality of the elements.
30. A region according to claim 29, wherein the tag elements are disposed in one or more arcuate bands around a central region of each tag.
31. A region according to claim 30, wherein there are a plurality of the arcuate bands disposed concentrically with respect to each other.
32. A region according to claim 31, wherein each element takes the form of a dot having a plurality of possible values.
33. A region according to claim 32, wherein the number of possible values is two.
34. A region according to claim 32, wherein when representing one of the possible values, the tag elements absorb, reflect or fluoresce electromagnetic radiation of a predetermined wavelength or range of wavelengths to a predetermined greater or lesser extent than the surface.
35. A region according to claim 32, wherein the possible values of the tag elements are defined by different relative absorption, reflection or fluorescence of electromagnetic radiation of a predetermined wavelength or range of wavelengths.
36. A region according to claim 32, wherein the tags are not substantially visible to an average unaided human eye under daylight or ambient lighting conditions.
37. A region according to claim 32, wherein the tags are slightly visible ~;u an average unaided human eye under daylight or ambient lighting conditions.
38. A region according to claim 32, wherein the tags are visible to an average unaided human eye under daylight or ambient lighting conditions.
39. A region according to claim 3, wherein the first identity data is represented in a format incorporating redundancy of information.
40. A region according to claim 3, wherein the second identity data is represented in a format incorporating redundancy of information.
41. A region according to claim 2, wherein the tags are printed onto the surface by means of a printer.
42. A region according to claim 41, wherein the printer is an ink printer.
43. A region according to claim 42, wherein the tags are printed using ink that is absorbent or reflective in the ultraviolet spectrum or the infrared spectrum.
44. A region according to claim 41, wherein the printer also prints additional information onto the surface.
45. A region according to claim 44, wherein the additional information is printed onto the surface using colored or monochrome inks.
46. A region according to claim 45, wherein the additional information is printed onto the surface using one of the following combinations of colored inks:

CMY;
CMYK;
CMYRGB; and spot colour.
47. A region according to claim 2, wherein at least a plurality of the tags are disposed stochastically upon the surface.
48. A region according to claim 47, wherein the first identity data of each of the tags includes position data indicating the tag's position in relation to either the surface or a plurality of the other tags.
49. A region according to claim 48, wherein the tags are disposed in a regular array on the surface.
50. A region according to claim 49, wherein the array is triangular.
51. A region according to claim 50, wherein the tags are tiled over the surface
52. A region according to claim 49, wherein the array is rectangular.
53. A region according to claim 52, wherein the tags are tiled over the surface.
54. A region according to claim 2, further including additional non-tag information disposed on the surface.
55. A region according to claim 1, wherein the region is identified with sufficient precision to distinguish the region from 1.5 x 10 14 other regions.
56. A region according to claim 1, wherein any 10 millimetre diameter subregion of the region includes sufficient coded data to identify the region.
57. A region according to claim 56, wherein any 10 millimetre diameter subregion of the region includes sufficient information to identify at least one point of the region.
58. A surface, including a region according to any one of the preceding claims.
59. A method of producing a surface having a region, the method including the steps of:
(a) defining coded data, the coded data being indicative of:
a region identity associated with the region; and a plurality of points within the region;
(b) disposing the coded data within a region on the surface
60. A method according to claim 59, wherein the coded data includes at least one tag, each tag being indicative of the region identity and the position of the tag within the region.
61. A method according to claim 60, wherein each of the tags includes:
first identity data defining a relative position of that tag; and second identity data identifying the surface.
62. A method according to claim 61, wherein the respective first identity data associated with each tag defines the position of that tag with respect to the surface.
63. A method according to claim 61, wherein the respective first identity data associated with each tag defines a position of that tag with respect to one or more other tags.
64. A method according to claim 59, including the step of providing a substrate upon which the surface is defined, the step being performed at any suitable time in relation to the other steps of the method.
65. A method according to claim 60, wherein step (b) includes the sub-step (b)(i) of disposing the tags at predetermined positions on the surface.
66. A method according to claim 65, wherein sub-step (b)(i) includes the step of disposing the tags in a regular array on the surface.
67. A method according to claim 65, wherein sub-step (b)(i) includes the step of disposing the tags in a rectangular array on the surface.
68. A method according to claim 66, wherein the step of disposing the tags on the surface includes the sub-step of tiling the tags over the surface.
69. A method according to claim 60, further including the step of adding a common feature to the tags in addition to the second identity data.
70. A method according to claim 69, wherein the common feature is configured to assist location and/or recognition of the tags by associated tag reading apparatus.
71. A method according to claim 69, wherein the common features are represented in a format incorporating redundancy of information.
72. A method according to claim 60, further including the step of providing each of the tags with one or more orientation features for enabling an orientation of the tag being read to be ascertained.
73. A method according to claim 72, wherein the orientation features are represented in a format incorporating redundancy of information.
74. A method according to claim 43, wherein each tag includes a plurality of tag elements, the first and second identity data being defined by a plurality of the elements.
75. A method according to claim 74, wherein the tag elements are disposed in one or more arcuate bands around a central region of each tag.
76. A method according to claim 75, wherein there are a plurality of the arcuate bands disposed concentrically with respect to each other.
77. A method according to claim 76, wherein each element takes the form of a dot having a plurality of possible values.
78. A method according to claim 77, wherein the number of possible values is two.
79. A method according to claim 77, wherein when representing one of the possible values, the tag elements absorb, reflect or fluoresce electromagnetic radiation of a predetermined wavelength or range of wavelengths to a predetermined greater or lesser extent than the surface.
80. A method according to claim 77, wherein the possible values of the tag elements are defined by different relative absorption, reflection or fluorescence of electromagnetic radiation of a predetermined wavelength or range of wavelengths.
81. A method according to claim 77, wherein the tags are not substantially visible to an average unaided human eye under daylight or ambient lighting conditions.
82. A method according to claim 77, wherein the tags are slightly visible to an average unaided human eye under daylight or ambient lighting conditions.
83. A method according to claim 77, wherein the tags are visible to an average unaided human eye under daylight or ambient lighting conditions.
84. A method according to claim 61, wherein the first identity data is represented in a format incorporating redundancy of information.
85. A method according to claim 61, wherein the second identity data is represented in a format incorporating redundancy of information.
86. A method according to claim 60, wherein the tags are printed onto the surface by means of a printer.
87. A method according to claim 86, wherein the printer is an ink printer.
88. A method according to claim 87, wherein the tags are printed using ink that is absorbent or reflective in the ultraviolet spectrum or the infrared spectrum.
89. A method according to claim 86, wherein the printer also prints additional information onto the surface.
90. A method according to claim 89, wherein the additional information is printed onto the surface using colored or monochrome inks.
91. A method according to claim 90, wherein the additional information is printed onto the surface using one of the following combinations of colored inks:
CMY;
CMYK;
CMYRGB; and spot colour.
92. A method according to claim 60, wherein at least a plurality of the tags are disposed stochastically upon the surface.
93. A method according to claim 92, wherein the first identity data of each of the tags includes position data indicating the tag's position in relation to either the surface or a plurality of the other tags.
94. A method according to claim 93, wherein the tags are disposed in a regular array on the surface.
95. A method according to claim 94, wherein the array is triangular.
96. A method according to claim 95, wherein the tags are tiled over the surface
97. A method according to claim 94, wherein the array is rectangular.
98. A method according to claim 97, wherein the tags are tiled over the surface.
99. A method according to claim 60, further including additional non-tag information disposed on the surface
100. A method according to claim 59, wherein the region is identified with sufficient precision to distinguish the region from 1.5 x 10 14 other regions.
101. A method according to claim 59, wherein any 10 millimetre diameter subregion of the region includes sufficient coded data to identify the region.
102. A method according to claim 101, wherein any 10 millimetre diameter subregion of the region includes sufficient information to identify at least one point of the region.
103. A method according to claim 63, wherein step (b) includes the sub-step of disposing the readable tags on the surface such that the relative spacing of their centres is less than about l2mm.
104. A method according to claim 103, wherein the relative spacing is less than about 3mm.
105. A method according to claim 103, wherein the relative spacing is less than about 1mm.
106. A region according to any one of claims 1 to 3, 7, 8, 18, 24 or 29 to 35, wherein the coded data is machine readable, and the information represented by the coded data is substantially inscrutable to an unaided human.
107. A method according to any one of claims 59 to 61, 69, 72 or 74 to 80, wherein the coded data is machine readable, and the information represented by the coded data is substantially inscrutable to an unaided human.
CA2371968A 1999-05-25 2000-05-24 Identity-coded surface with reference points Expired - Fee Related CA2371968C (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
AUPQ0559A AUPQ055999A0 (en) 1999-05-25 1999-05-25 A method and apparatus (npage01)
AUPQ0559 1999-05-25
AUPQ1313 1999-06-30
AUPQ1313A AUPQ131399A0 (en) 1999-06-30 1999-06-30 A method and apparatus (NPAGE02)
AUPQ3457 1999-10-15
AUPQ3457A AUPQ345799A0 (en) 1999-10-15 1999-10-15 Tagged surface
AUPQ4392 1999-12-01
AUPQ4392A AUPQ439299A0 (en) 1999-12-01 1999-12-01 Interface system
PCT/AU2000/000568 WO2000072249A1 (en) 1999-05-25 2000-05-24 Identity-coded surface with reference points

Publications (2)

Publication Number Publication Date
CA2371968A1 true CA2371968A1 (en) 2000-11-30
CA2371968C CA2371968C (en) 2011-11-15

Family

ID=27424494

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CA002625142A Abandoned CA2625142A1 (en) 1999-05-25 2000-05-24 Identity-coded surface
CA2371968A Expired - Fee Related CA2371968C (en) 1999-05-25 2000-05-24 Identity-coded surface with reference points
CA2374723A Expired - Fee Related CA2374723C (en) 1999-05-25 2000-05-24 Computer system interface surface
CA002371589A Expired - Fee Related CA2371589C (en) 1999-05-25 2000-05-24 Identity-coded surface
CA2374716A Expired - Fee Related CA2374716C (en) 1999-05-25 2000-05-24 Computer system interface surface with reference points

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA002625142A Abandoned CA2625142A1 (en) 1999-05-25 2000-05-24 Identity-coded surface

Family Applications After (3)

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CA2374723A Expired - Fee Related CA2374723C (en) 1999-05-25 2000-05-24 Computer system interface surface
CA002371589A Expired - Fee Related CA2371589C (en) 1999-05-25 2000-05-24 Identity-coded surface
CA2374716A Expired - Fee Related CA2374716C (en) 1999-05-25 2000-05-24 Computer system interface surface with reference points

Country Status (15)

Country Link
US (30) US7055739B1 (en)
EP (4) EP1224616A4 (en)
JP (4) JP2003500764A (en)
KR (4) KR100674426B1 (en)
CN (5) CN1210644C (en)
AT (3) ATE405895T1 (en)
AU (4) AU4730400A (en)
BR (4) BR0010845A (en)
CA (5) CA2625142A1 (en)
DE (3) DE60040610D1 (en)
HK (2) HK1048382A1 (en)
IL (10) IL146673A0 (en)
MX (4) MXPA01012063A (en)
SG (2) SG122802A1 (en)
WO (4) WO2000072250A1 (en)

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