GB2104673A - Controlling light intensity - Google Patents

Controlling light intensity Download PDF

Info

Publication number
GB2104673A
GB2104673A GB08222351A GB8222351A GB2104673A GB 2104673 A GB2104673 A GB 2104673A GB 08222351 A GB08222351 A GB 08222351A GB 8222351 A GB8222351 A GB 8222351A GB 2104673 A GB2104673 A GB 2104673A
Authority
GB
United Kingdom
Prior art keywords
light
intensity
exposure
photocopying machine
optical path
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.)
Withdrawn
Application number
GB08222351A
Other languages
English (en)
Other versions
GB2104673B (OSRAM
Inventor
Hirokazu Yasui
Akira Matsuura
Yoshiyuki Hirayama
Toshiyuki Kitamura
Yuji Watai
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.)
Fujifilm Business Innovation Corp
Original Assignee
Fuji Xerox Co Ltd
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
Publication of GB2104673B publication Critical patent/GB2104673B/en
Application filed by Fuji Xerox Co Ltd filed Critical Fuji Xerox Co Ltd
Publication of GB2104673A publication Critical patent/GB2104673A/en
Withdrawn legal-status Critical Current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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
  • Control Or Security For Electrophotography (AREA)
GB08222351A 1981-08-03 1982-08-03 Controlling light intensity Withdrawn GB2104673A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56122320A JPS5823023A (ja) 1981-08-03 1981-08-03 自動露光制御方法

Publications (2)

Publication Number Publication Date
GB2104673B GB2104673B (OSRAM)
GB2104673A true GB2104673A (en) 1983-03-09

Family

ID=14833038

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08222351A Withdrawn GB2104673A (en) 1981-08-03 1982-08-03 Controlling light intensity

Country Status (3)

Country Link
US (1) US4460270A (OSRAM)
JP (1) JPS5823023A (OSRAM)
GB (1) GB2104673A (OSRAM)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2127163A (en) * 1982-07-23 1984-04-04 Fuji Xerox Co Ltd Exposure detecting device for copying machine
GB2132780A (en) * 1982-11-26 1984-07-11 Loge Dunn Instr Inc Apparatus for maintaining a cathode ray tube image in relation to the light acceptance range of a photographic film
GB2176619A (en) * 1983-04-08 1986-12-31 Warner Lambert Tech Camera control
GB2221547A (en) * 1988-07-11 1990-02-07 Brother Ind Ltd Image recording apparatus with exposure control

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3303450A1 (de) * 1982-02-04 1983-08-11 Canon K.K., Tokyo Steuereinrichtung fuer kopiergeraete oder dergleichen
JPS58154859A (ja) * 1982-03-11 1983-09-14 Fuji Xerox Co Ltd 複写機
US4640603A (en) * 1982-09-24 1987-02-03 Canon Kabushiki Kaisha Copying apparatus
JPS59204054A (ja) * 1983-05-06 1984-11-19 Canon Inc 複写機
JPS6017438A (ja) * 1983-07-11 1985-01-29 Toshiba Corp 露光制御装置
US4529294A (en) * 1984-03-16 1985-07-16 Xerox Corporation Document scanning drum and flash exposure copier
US5153745A (en) * 1990-09-28 1992-10-06 Xerox Corporation Method and apparatus for compensating for illumination variations of a lamp in a document scanning system following extended lamp inactivity
EP1319987B1 (en) * 2001-12-12 2007-02-28 ASML Netherlands B.V. Lithographic apparatus, device manufacturing method, and computer program therefor
EP1319982A1 (en) * 2001-12-12 2003-06-18 ASML Netherlands B.V. Lithographic apparatus , device manufacturing method, and computer program

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1426097A (en) * 1973-05-23 1976-02-25 Xerox Corp Reflective platen cover
GB1436899A (en) * 1973-05-23 1976-05-26 Xerox Corp Document copying apparatus
JPS539385A (en) * 1976-06-09 1978-01-27 Japan Organo Co Ltd Continuous reactor with immobilized enzyme
US4153364A (en) * 1977-01-28 1979-05-08 Ricoh Company, Ltd. Exposure and development control apparatus for electrostatic copying machine
DE2807317C3 (de) * 1977-02-23 1982-02-11 Ricoh Co., Ltd., Tokyo Verfahren zur Einhaltung der Optimalbedingungen bei der Elektrofotografie
JPS5518667A (en) * 1978-07-27 1980-02-08 Minolta Camera Co Ltd Stabilization method of image density
JPS5627175A (en) * 1979-08-10 1981-03-16 Ricoh Co Ltd Exposure quantity automatic control unit
JPS56110961A (en) * 1980-02-07 1981-09-02 Toshiba Corp Exposure device of electrophotographic copier

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2127163A (en) * 1982-07-23 1984-04-04 Fuji Xerox Co Ltd Exposure detecting device for copying machine
GB2132780A (en) * 1982-11-26 1984-07-11 Loge Dunn Instr Inc Apparatus for maintaining a cathode ray tube image in relation to the light acceptance range of a photographic film
GB2176619A (en) * 1983-04-08 1986-12-31 Warner Lambert Tech Camera control
GB2221547A (en) * 1988-07-11 1990-02-07 Brother Ind Ltd Image recording apparatus with exposure control
US5001511A (en) * 1988-07-11 1991-03-19 Brother Kogyo Kabushiki Kaisha Image recording apparatus having exposure control unit

Also Published As

Publication number Publication date
JPS5823023A (ja) 1983-02-10
US4460270A (en) 1984-07-17
GB2104673B (OSRAM)

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000803