GB1499157A - Exposure control system - Google Patents

Exposure control system

Info

Publication number
GB1499157A
GB1499157A GB36734/75A GB3673475A GB1499157A GB 1499157 A GB1499157 A GB 1499157A GB 36734/75 A GB36734/75 A GB 36734/75A GB 3673475 A GB3673475 A GB 3673475A GB 1499157 A GB1499157 A GB 1499157A
Authority
GB
United Kingdom
Prior art keywords
slit
mirror
drum
exposure control
sept
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
GB36734/75A
Other languages
English (en)
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 GB1499157A publication Critical patent/GB1499157A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G03G15/0435—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 by introducing an optical element in the optical path, e.g. a filter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
GB36734/75A 1974-09-18 1975-09-05 Exposure control system Expired GB1499157A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/507,104 US3967895A (en) 1974-09-18 1974-09-18 Illumination control system

Publications (1)

Publication Number Publication Date
GB1499157A true GB1499157A (en) 1978-01-25

Family

ID=24017268

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36734/75A Expired GB1499157A (en) 1974-09-18 1975-09-05 Exposure control system

Country Status (6)

Country Link
US (1) US3967895A (cg-RX-API-DMAC10.html)
JP (1) JPS5156636A (cg-RX-API-DMAC10.html)
DE (1) DE2541217A1 (cg-RX-API-DMAC10.html)
FR (1) FR2299659A1 (cg-RX-API-DMAC10.html)
GB (1) GB1499157A (cg-RX-API-DMAC10.html)
NL (1) NL7511033A (cg-RX-API-DMAC10.html)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4057342A (en) * 1976-05-27 1977-11-08 Xerox Corporation Illumination slit for a reproducing machine
JPS5841497B2 (ja) * 1976-05-31 1983-09-12 ミノルタ株式会社 スリット露光型複写機における露光量調整装置
USRE31499E (en) 1976-11-01 1984-01-17 Xerox Corporation Illumination system utilizing two opposing DC lamps with an optimum barrel-shaped slit
SE404964B (sv) * 1977-03-22 1978-11-06 Sarlos Seppo Edvard Anordning for detektering av stralning fran ett foremal for faststellande av avvikelser eller fel hos en yta av detsamma
US4290675A (en) * 1978-12-04 1981-09-22 Leo Beiser Anaglyph stereoscopy
US4222653A (en) * 1978-12-04 1980-09-16 Leo Beiser Visual effects optical relay
US4362384A (en) * 1981-05-01 1982-12-07 The Perkin-Elmer Corporation Means for providing uniform illumination to a light sensitive element
TW583871B (en) * 2002-10-25 2004-04-11 Veutron Corp Scan module and a method for enhancing the life of the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3076392A (en) * 1959-08-31 1963-02-05 Xerox Corp Xerographic reproducing apparatus
US3542467A (en) * 1968-04-15 1970-11-24 Xerox Corp Xerographic reproducing apparatus
US3672759A (en) * 1970-11-17 1972-06-27 Xerox Corp Illumination control system
DE2149404B2 (de) * 1971-10-04 1976-09-30 Hoechst Ag, 6000 Frankfurt Belichtungseinrichtung fuer elektrophotographische reproduktionsgeraete
GB1400220A (en) * 1972-06-23 1975-07-16 Rank Xerox Ltd Electrostatographic copying machine

Also Published As

Publication number Publication date
DE2541217A1 (de) 1976-04-08
US3967895A (en) 1976-07-06
NL7511033A (nl) 1975-12-31
JPS5156636A (en) 1976-05-18
FR2299659A1 (fr) 1976-08-27
FR2299659B1 (cg-RX-API-DMAC10.html) 1979-08-24

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed