FR2523266B1 - Dispositif d'eclairage de document - Google Patents

Dispositif d'eclairage de document

Info

Publication number
FR2523266B1
FR2523266B1 FR8300960A FR8300960A FR2523266B1 FR 2523266 B1 FR2523266 B1 FR 2523266B1 FR 8300960 A FR8300960 A FR 8300960A FR 8300960 A FR8300960 A FR 8300960A FR 2523266 B1 FR2523266 B1 FR 2523266B1
Authority
FR
France
Prior art keywords
lighting device
document lighting
document
lighting
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
Application number
FR8300960A
Other languages
English (en)
Other versions
FR2523266A1 (fr
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 FR2523266A1 publication Critical patent/FR2523266A1/fr
Application granted granted Critical
Publication of FR2523266B1 publication Critical patent/FR2523266B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/522—Projection optics
    • G03B27/525—Projection optics for slit exposure
    • G03B27/526—Projection optics for slit exposure in which the projection optics move
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/043—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
FR8300960A 1982-03-15 1983-01-21 Dispositif d'eclairage de document Expired FR2523266B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/357,967 US4413903A (en) 1982-03-15 1982-03-15 Document illumination system

Publications (2)

Publication Number Publication Date
FR2523266A1 FR2523266A1 (fr) 1983-09-16
FR2523266B1 true FR2523266B1 (fr) 1985-11-22

Family

ID=23407760

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8300960A Expired FR2523266B1 (fr) 1982-03-15 1983-01-21 Dispositif d'eclairage de document

Country Status (4)

Country Link
US (1) US4413903A (fr)
JP (1) JPS58168045A (fr)
FR (1) FR2523266B1 (fr)
GB (1) GB2117129B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58219542A (ja) * 1982-06-15 1983-12-21 Olympus Optical Co Ltd 光学像投影装置
US4594527A (en) * 1983-10-06 1986-06-10 Xerox Corporation Vacuum fluorescent lamp having a flat geometry
GB2182781B (en) * 1985-11-13 1989-10-25 Ushio Electric Inc Exposure intensity detecting system for copying machine
JPS63138540U (fr) * 1987-03-03 1988-09-12
US4899040A (en) * 1988-09-08 1990-02-06 Eastman Kodak Company Light-conditioning apparatus for an image scanner illumination system
US5083159A (en) * 1991-05-30 1992-01-21 Xerox Corporation Process for initial alignment of document illuminator
US6728010B1 (en) * 2000-09-19 2004-04-27 Kabushiki Kaisha Toshiba Color image reader for use in image forming apparatus

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4520880Y1 (fr) * 1967-08-04 1970-08-20
GB1436899A (en) * 1973-05-23 1976-05-26 Xerox Corp Document copying apparatus
JPS5182630A (fr) * 1975-01-16 1976-07-20 Minolta Camera Kk
US4017180A (en) * 1975-08-07 1977-04-12 Adddressograph Multigraph Corporation Exposure control for copying machine
JPS5243439A (en) * 1975-10-03 1977-04-05 Ricoh Co Ltd Generator for the bias voltage for the electrophotographic copying machine
US4124295A (en) * 1977-02-02 1978-11-07 Savin Business Machines Corporation Background brightness control for document copier
US4190355A (en) * 1978-05-03 1980-02-26 Xerox Corporation Facetted reflector
US4251284A (en) * 1978-06-19 1981-02-17 Owens-Illinois, Inc. Tubular luminescent solar collector-photocell structure
FR2443020A1 (fr) * 1978-11-28 1980-06-27 Cit Alcatel Source lumineuse a eclairement uniforme d'une ligne d'image
JPS55137548A (en) * 1979-04-13 1980-10-27 Canon Inc Method and apparatus for image formation
US4275960A (en) * 1979-08-13 1981-06-30 International Business Machines Corporation System for enhanced light uniformity in a document scanning system
US4371897A (en) * 1980-09-02 1983-02-01 Xerox Corporation Fluorescent activated, spatially quantitative light detector

Also Published As

Publication number Publication date
GB8306614D0 (en) 1983-04-13
GB2117129A (en) 1983-10-05
US4413903A (en) 1983-11-08
JPS58168045A (ja) 1983-10-04
JPH0360413B2 (fr) 1991-09-13
FR2523266A1 (fr) 1983-09-16
GB2117129B (en) 1985-10-09

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Legal Events

Date Code Title Description
ST Notification of lapse