DE69320434D1 - Optische Vorrichtung mit elektrisch variierbarem Brechungsindex zur Schräglagekorrektur von Abtastzeilen in elektrostatografischen Druckmaschinen - Google Patents

Optische Vorrichtung mit elektrisch variierbarem Brechungsindex zur Schräglagekorrektur von Abtastzeilen in elektrostatografischen Druckmaschinen

Info

Publication number
DE69320434D1
DE69320434D1 DE69320434T DE69320434T DE69320434D1 DE 69320434 D1 DE69320434 D1 DE 69320434D1 DE 69320434 T DE69320434 T DE 69320434T DE 69320434 T DE69320434 T DE 69320434T DE 69320434 D1 DE69320434 D1 DE 69320434D1
Authority
DE
Germany
Prior art keywords
refractive index
optical device
scanning lines
skew correction
printing machines
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.)
Expired - Fee Related
Application number
DE69320434T
Other languages
English (en)
Other versions
DE69320434T2 (de
Inventor
John R Andrews
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.)
Xerox Corp
Original Assignee
Xerox Corp
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
Application filed by Xerox Corp filed Critical Xerox Corp
Publication of DE69320434D1 publication Critical patent/DE69320434D1/de
Application granted granted Critical
Publication of DE69320434T2 publication Critical patent/DE69320434T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/047—Detection, control or error compensation of scanning velocity or position
    • H04N1/0473—Detection, control or error compensation of scanning velocity or position in subscanning direction, e.g. picture start or line-to-line synchronisation
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/12—Scanning systems using multifaceted mirrors
    • G02B26/127—Adaptive control of the scanning light beam, e.g. using the feedback from one or more detectors
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/113—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using oscillating or rotating mirrors
    • H04N1/1135—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using oscillating or rotating mirrors for the main-scan only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/12—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using the sheet-feed movement or the medium-advance or the drum-rotation movement as the slow scanning component, e.g. arrangements for the main-scanning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/02406—Arrangements for positioning elements within a head
    • H04N2201/02439—Positioning method
    • H04N2201/02441—Positioning method using screws
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04753—Control or error compensation of scanning position or velocity
    • H04N2201/04758—Control or error compensation of scanning position or velocity by controlling the position of the scanned image area
    • H04N2201/0476—Control or error compensation of scanning position or velocity by controlling the position of the scanned image area using an optical, electro-optical or acousto-optical element
    • H04N2201/04763—Control or error compensation of scanning position or velocity by controlling the position of the scanned image area using an optical, electro-optical or acousto-optical element using a refracting element
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04753—Control or error compensation of scanning position or velocity
    • H04N2201/04794—Varying the control or compensation during the scan, e.g. using continuous feedback or from line to line
    • H04N2201/04796—Varying the sub-scan control during the main-scan, e.g. for correcting skew, tilt or bow of a scanning beam
DE69320434T 1992-09-25 1993-09-20 Optische Vorrichtung mit elektrisch variierbarem Brechungsindex zur Schräglagekorrektur von Abtastzeilen in elektrostatografischen Druckmaschinen Expired - Fee Related DE69320434T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/951,714 US5363127A (en) 1992-09-25 1992-09-25 Device and apparatus for scan line skew correction in an electrostatographic machine

Publications (2)

Publication Number Publication Date
DE69320434D1 true DE69320434D1 (de) 1998-09-24
DE69320434T2 DE69320434T2 (de) 1999-02-04

Family

ID=25492053

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69320434T Expired - Fee Related DE69320434T2 (de) 1992-09-25 1993-09-20 Optische Vorrichtung mit elektrisch variierbarem Brechungsindex zur Schräglagekorrektur von Abtastzeilen in elektrostatografischen Druckmaschinen

Country Status (4)

Country Link
US (1) US5363127A (de)
EP (1) EP0589651B1 (de)
JP (1) JP3426653B2 (de)
DE (1) DE69320434T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5493326A (en) * 1994-01-03 1996-02-20 Xerox Corporation Method and apparatus for scan line skew correction using a gradient index electrooptic prism
US5999302A (en) * 1997-06-27 1999-12-07 Speedring Systems, Inc. Polygon scanner having a fluid film bearing and active correction of cross-scan and in-scan errors
SE511727C2 (sv) * 1998-02-17 1999-11-15 Haakan Bonds Anordning innefattande en optisk kropp
US6486906B1 (en) 2000-09-13 2002-11-26 Lexmark International, Inc. Apparatus and method for printhead to machine skew and margin adjustment for an electrophotographic machine
US7898695B1 (en) 2000-10-06 2011-03-01 Lexmark International, Inc. Method of compensating for electronic printhead skew and bow correction in an imaging machine to reduce print artifacts
US7071956B2 (en) * 2002-01-07 2006-07-04 Xerox Corporation Method and apparatus for image squareness correction
US7301554B2 (en) 2002-09-20 2007-11-27 Ricoh Company, Ltd. Light scanning device, scanning line adjusting method, scanning line adjusting control method, image forming apparatus, and image forming method
US7643161B2 (en) * 2004-10-27 2010-01-05 Hewlett-Packard Development Company, L.P. Inter-device media handler

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3657707A (en) * 1969-03-17 1972-04-18 Precision Instr Co Laser recording system with both surface defect and data error checking
US3654624A (en) * 1969-03-17 1972-04-04 Precision Instr Co Laser recording system using drum mounted record strips
US3843231A (en) * 1971-04-22 1974-10-22 Commissariat Energie Atomique Liquid crystal diffraction grating
US4213158A (en) * 1978-06-28 1980-07-15 Xerox Corporation Optical data recording system utilizing acoustic pulse imaging to minimize image blur
US4313651A (en) * 1979-02-22 1982-02-02 The United States Of America As Represented By The Secretary Of The Army Optical beam scanner
US4441126A (en) * 1982-05-06 1984-04-03 Sperry Corporation Adaptive corrector of facet errors in mirror scanning systems
US4559562A (en) * 1983-08-16 1985-12-17 Xerox Corporation Microdeflector facet tracker for scanning system
US4600837A (en) * 1983-12-01 1986-07-15 International Business Machines Corporation Optical scanning apparatus with dynamic scan path control
US4822149A (en) * 1984-03-02 1989-04-18 United Technologies Corporation Prismatic ferroelectric beam steerer
US4613877A (en) * 1984-11-26 1986-09-23 Data Recording Systems, Inc. High resolution laser printer
US4958914A (en) * 1986-06-27 1990-09-25 Hughes Aircraft Company Optical intensity-to-position mapping and light deflector apparatus and method
US4767190A (en) * 1986-12-04 1988-08-30 Xerox Corporation Transient state liquid crystal image bar with contrast enhancement
EP0478005B1 (de) * 1987-04-28 1995-06-28 Canon Kabushiki Kaisha Multibilderzeugungsgerät
US5159351A (en) * 1988-05-20 1992-10-27 Minolta Camera Co., Ltd. Light deflecting device
US4877310A (en) * 1988-08-04 1989-10-31 Xerox Corporation Electronically variable MTF filter for image sensor arrays
US5018835A (en) * 1989-01-03 1991-05-28 Raytheon Company Deflector for an optical beam including refractive means
JPH03107931A (ja) * 1989-09-22 1991-05-08 Olympus Optical Co Ltd 撮像光学系の防振装置
US5093674A (en) * 1990-08-02 1992-03-03 Hewlett-Packard Company Method and system for compensating for paper shrinkage and misalignment in electrophotographic color printing

Also Published As

Publication number Publication date
EP0589651A1 (de) 1994-03-30
US5363127A (en) 1994-11-08
JP3426653B2 (ja) 2003-07-14
DE69320434T2 (de) 1999-02-04
EP0589651B1 (de) 1998-08-19
JPH06148695A (ja) 1994-05-27

Similar Documents

Publication Publication Date Title
DE69116613D1 (de) Optische Vorrichtung zur Pupillen- und Bildumkehr
DE69025502D1 (de) Optische Vorrichtung zur Bildvergrösserung
DE69423720T2 (de) Vorrichtung mit integriert-optischem Wellenleiterpaar
DE69219104T2 (de) Optische vorrichtung
DE69212207T2 (de) Planare optische Vorrichtung
DE69527858T2 (de) Optische Einrichtung zur Werkstoffbearbeitung mittels Laser
DE69632445D1 (de) Optische Abtastvorrichtung mit zwei Objektivlinsen
DE69225096T2 (de) Verzerrungsarme optische Vorrichtung mit Schwelle
DE69419370D1 (de) Optische Vorrichtung
DE69025924T2 (de) Optische vorrichtung zur erzeugung polarisierten lichtes
DE69320434T2 (de) Optische Vorrichtung mit elektrisch variierbarem Brechungsindex zur Schräglagekorrektur von Abtastzeilen in elektrostatografischen Druckmaschinen
DE59007456D1 (de) Vorrichtung zur optoelektrischen Trennschicht- und Brechzahlmessung in Flüssigkeiten.
DE69128866T2 (de) Optische Schaltung mit Y-Verzweigung
DE69422757T2 (de) Bildkommunikationsgerät mit Einheit zur Speicherung von Aufzeichnungspapier
DE59406776D1 (de) Anordnung zur Erzeugung von Rasterdruck hoher Qualität mit einer elektrofotografischen Druckeinrichtung
DE69423597D1 (de) Optische Vorrichtung mit einstellbarem Okular
DE69124430T2 (de) Abtaster mit Mitteln zur Registrierung von Vorlagen und Kopieblättern
DE69128872T2 (de) Polarisationsunabhängige optische Vorrichtung
DE69310060D1 (de) Infrarot Meniskuslinse zur Verwendung in optischem System
DE69619451T2 (de) Optische Zeichenleser mit Schiefekorrektur
EP0585867A3 (en) Anamorphic single lens for use in an optical scanner
FR2688679B1 (fr) Appareil de mesure de facteurs necessaires a l'adaptation de verres optiques sur une monture.
DE69425050T2 (de) Optische vorrichtung
DE69312352T2 (de) Optische Vorrichtung zur Bildabtastung
DE68917674T2 (de) Optische Messanordnung zur Augenuntersuchung.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee