JPS5147436A - - Google Patents

Info

Publication number
JPS5147436A
JPS5147436A JP49121120A JP12112074A JPS5147436A JP S5147436 A JPS5147436 A JP S5147436A JP 49121120 A JP49121120 A JP 49121120A JP 12112074 A JP12112074 A JP 12112074A JP S5147436 A JPS5147436 A JP S5147436A
Authority
JP
Japan
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
JP49121120A
Other versions
JPS5441502B2 (ja
Inventor
Takashi Yano
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP12112074A priority Critical patent/JPS5441502B2/ja
Priority to US05/624,207 priority patent/US4087171A/en
Priority to DE2547137A priority patent/DE2547137C3/de
Publication of JPS5147436A publication Critical patent/JPS5147436A/ja
Publication of JPS5441502B2 publication Critical patent/JPS5441502B2/ja
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
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/065—Arrangements for controlling the potential of the developing electrode
    • 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
    • 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)
  • Developing For Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Wet Developing In Electrophotography (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
JP12112074A 1974-10-21 1974-10-21 Expired JPS5441502B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP12112074A JPS5441502B2 (ja) 1974-10-21 1974-10-21
US05/624,207 US4087171A (en) 1974-10-21 1975-10-20 Electrophotographic exposure and development system
DE2547137A DE2547137C3 (de) 1974-10-21 1975-10-21 Einrichtung zur Steuerung der Belichtung bzw. der Entwicklungsspannung eines elektrophotographischen Kopiergerätes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12112074A JPS5441502B2 (ja) 1974-10-21 1974-10-21

Publications (2)

Publication Number Publication Date
JPS5147436A true JPS5147436A (ja) 1976-04-23
JPS5441502B2 JPS5441502B2 (ja) 1979-12-08

Family

ID=14803366

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12112074A Expired JPS5441502B2 (ja) 1974-10-21 1974-10-21

Country Status (3)

Country Link
US (1) US4087171A (ja)
JP (1) JPS5441502B2 (ja)
DE (1) DE2547137C3 (ja)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5398834A (en) * 1977-02-09 1978-08-29 Canon Inc Controller for electrostatic device
JPS547329A (en) * 1977-06-20 1979-01-20 Ricoh Co Ltd Input data erasing method in computer controlling of copying machines
JPS5442149A (en) * 1977-09-09 1979-04-03 Canon Inc Image former
JPS557709A (en) * 1978-06-30 1980-01-19 Canon Inc Exposure control unit of copying machine
JPS55120048A (en) * 1979-03-08 1980-09-16 Nippon Telegr & Teleph Corp <Ntt> Recording density control method in electrophotographic type printer
JPS57155556A (en) * 1981-03-20 1982-09-25 Ricoh Co Ltd Electrophotographic device
JPS58217950A (ja) * 1982-06-14 1983-12-19 Matsushita Electric Ind Co Ltd 複写装置
JPS60133470A (ja) * 1984-07-25 1985-07-16 Canon Inc 画像形成装置
JPS60263172A (ja) * 1984-06-11 1985-12-26 Sharp Corp 複写機の画像補正方法

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5290942A (en) * 1976-01-26 1977-07-30 Canon Inc Electrostatic printing
JPS5293340A (en) * 1976-02-02 1977-08-05 Ricoh Co Ltd Electronic photographic picture adjustment
JPS6040024B2 (ja) * 1976-09-17 1985-09-09 キヤノン株式会社 静電潜像安定化方法
US4176943A (en) * 1976-10-18 1979-12-04 Ricoh Company, Ltd. Electrophotographic apparatus
GB1603800A (en) * 1977-03-26 1981-11-25 Canon Kk Copying or printing apparatus
DE2839076C3 (de) * 1977-09-09 1998-01-29 Canon Kk Kopiergerät
JPS5492742A (en) * 1977-12-29 1979-07-23 Ricoh Co Ltd Control method for copier image quality
JPS5497432A (en) * 1978-01-18 1979-08-01 Ricoh Co Ltd Image density control method
JPS54100737A (en) * 1978-01-25 1979-08-08 Ricoh Co Ltd Development for zerography
JPS552270A (en) * 1978-06-21 1980-01-09 Ricoh Co Ltd Bias device of copying machine
JPS5518667A (en) * 1978-07-27 1980-02-08 Minolta Camera Co Ltd Stabilization method of image density
JPS5528010A (en) * 1978-08-18 1980-02-28 Konishiroku Photo Ind Co Ltd Image density adjustment method for information compound recording device
GB2039101B (en) * 1978-08-24 1983-05-25 Canon Kk Control of electrostatic recording apparatus
CH630478A5 (fr) * 1978-11-28 1982-06-15 Coulter Systems Corp Procede pour la reproduction d'une image sur un materiau de support en feuille et appareil pour la mise en oeuvre de ce procede.
DE3040366C2 (de) * 1979-10-29 1986-11-20 Konishiroku Photo Industry Co. Ltd., Tokio/Tokyo Einrichtung zum Regeln der Belichtung oder Entwicklung in einem Kopiergerät beim Herstellen von Kopien mit weißem Untergrund von farbigen Vorlagen
US4350435A (en) * 1980-04-04 1982-09-21 Eastman Kodak Company Copy contrast and density control
US4669859A (en) * 1982-03-23 1987-06-02 Ricoh Company, Ltd. Developing device
JPS5913232A (ja) * 1982-07-15 1984-01-24 Canon Inc 複写装置
DE3407064A1 (de) * 1983-02-28 1984-08-30 Canon K.K., Tokio/Tokyo Bildreproduktionsgeraet
US4542985A (en) * 1983-04-26 1985-09-24 Canon Kabushiki Kaisha Image formation apparatus
US4491408A (en) * 1984-01-03 1985-01-01 Xerox Corporation Electrostatographic system development modulation
US4814834A (en) * 1984-04-03 1989-03-21 Canon Kabushiki Kaisha Electrophotographic apparatus
US4678317A (en) * 1985-11-04 1987-07-07 Savin Corporation Charge and bias control system for electrophotographic copier
US5214471A (en) * 1989-05-22 1993-05-25 Xerox Corporation Background monitoring device
JP2738749B2 (ja) * 1989-08-07 1998-04-08 株式会社リコー 画像形成装置
WO1996002448A1 (de) * 1994-07-14 1996-02-01 Siemens Aktiengesellschaft Vorrichtung zur vereinzelung und zur übergabe von stückgut, insbesondere von postgut
US6320387B1 (en) 1998-11-16 2001-11-20 Xerox Corporation Charge measuring instrument for flexible materials
US6166550A (en) * 1998-11-16 2000-12-26 Xerox Corporation Charge measuring instrument
US7826101B2 (en) * 2003-06-25 2010-11-02 Ricoh Company, Ltd. Document management method, document management program, recording medium, and document management apparatus
US20240288794A1 (en) * 2021-07-09 2024-08-29 Hewlett-Packard Development Company, L.P. Toner transfer modulators

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3438705A (en) * 1967-01-03 1969-04-15 Xerox Corp Automatic xerographic development control

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2956487A (en) * 1955-03-23 1960-10-18 Rca Corp Electrostatic printing
US3011474A (en) * 1959-02-06 1961-12-05 Harold O Ulrich Xerographic development electrode apparatus
US3317884A (en) * 1964-09-09 1967-05-02 Bell Telephone Labor Inc Electrical plug with cord anchor
US3575505A (en) * 1968-07-30 1971-04-20 Eastman Kodak Co Automatic bias control
US3719169A (en) * 1971-05-07 1973-03-06 Xerox Corp Plural electrode development apparatus
US3732003A (en) * 1971-12-28 1973-05-08 Eastman Kodak Co Electrostatographic compensation apparatus
US3817748A (en) * 1972-01-28 1974-06-18 Xerox Corp Contrast control in electrostatic copying utilizing liquid development
US3892481A (en) * 1974-06-17 1975-07-01 Savin Business Machines Corp Automatic development electrode bias control system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3438705A (en) * 1967-01-03 1969-04-15 Xerox Corp Automatic xerographic development control

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5398834A (en) * 1977-02-09 1978-08-29 Canon Inc Controller for electrostatic device
JPS6129502B2 (ja) * 1977-02-09 1986-07-07 Canon Kk
JPS547329A (en) * 1977-06-20 1979-01-20 Ricoh Co Ltd Input data erasing method in computer controlling of copying machines
JPS6160427B2 (ja) * 1977-06-20 1986-12-20 Ricoh Kk
JPS6113225B2 (ja) * 1977-09-09 1986-04-12 Canon Kk
JPS5442149A (en) * 1977-09-09 1979-04-03 Canon Inc Image former
JPS557709A (en) * 1978-06-30 1980-01-19 Canon Inc Exposure control unit of copying machine
JPS6224775B2 (ja) * 1978-06-30 1987-05-29 Canon Kk
JPS55120048A (en) * 1979-03-08 1980-09-16 Nippon Telegr & Teleph Corp <Ntt> Recording density control method in electrophotographic type printer
JPS57155556A (en) * 1981-03-20 1982-09-25 Ricoh Co Ltd Electrophotographic device
JPH038545B2 (ja) * 1981-03-20 1991-02-06 Ricoh Kk
JPS58217950A (ja) * 1982-06-14 1983-12-19 Matsushita Electric Ind Co Ltd 複写装置
JPS60263172A (ja) * 1984-06-11 1985-12-26 Sharp Corp 複写機の画像補正方法
JPS60133470A (ja) * 1984-07-25 1985-07-16 Canon Inc 画像形成装置
JPH0238949B2 (ja) * 1984-07-25 1990-09-03 Canon Kk

Also Published As

Publication number Publication date
DE2547137B2 (de) 1981-02-05
JPS5441502B2 (ja) 1979-12-08
US4087171A (en) 1978-05-02
DE2547137A1 (de) 1976-04-22
DE2547137C3 (de) 1981-10-29

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