GB1573127A - Static copying machines - Google Patents

Static copying machines Download PDF

Info

Publication number
GB1573127A
GB1573127A GB1032977A GB1032977A GB1573127A GB 1573127 A GB1573127 A GB 1573127A GB 1032977 A GB1032977 A GB 1032977A GB 1032977 A GB1032977 A GB 1032977A GB 1573127 A GB1573127 A GB 1573127A
Authority
GB
United Kingdom
Prior art keywords
photoconductivity
time
unit
exposure
machine according
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
GB1032977A
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.)
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
Publication of GB1573127A publication Critical patent/GB1573127A/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
    • 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
    • G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Developing For Electrophotography (AREA)
GB1032977A 1976-03-12 1977-03-11 Static copying machines Expired GB1573127A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2739876A JPS52110046A (en) 1976-03-12 1976-03-12 Electrophotographic image control

Publications (1)

Publication Number Publication Date
GB1573127A true GB1573127A (en) 1980-08-13

Family

ID=12219944

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1032977A Expired GB1573127A (en) 1976-03-12 1977-03-11 Static copying machines

Country Status (2)

Country Link
JP (1) JPS52110046A (cs)
GB (1) GB1573127A (cs)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4366220A (en) 1980-03-27 1982-12-28 Minolta Camera Kabushiki Kaisha Electrostatic image recording process using prehisteresis uniform charging and light exposure pretreatment
US4375328A (en) 1979-05-17 1983-03-01 Canon Kabushiki Kaisha Electrophotographic device with light quantity control
DE3340529A1 (de) * 1982-11-09 1984-05-10 Ricoh Kk Verfahren zum steuern der zufuhr von toner

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55101959A (en) * 1979-01-31 1980-08-04 Canon Inc Image forming device
EP3708662A4 (en) 2017-11-10 2021-08-25 Regenesis Science Co., Ltd. METHOD FOR PRODUCING A CULTIVATED CELL, AND METHOD FOR PRODUCING A THERAPEUTIC AGENT FOR SPINAL CORD INJURY DISEASE

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4375328A (en) 1979-05-17 1983-03-01 Canon Kabushiki Kaisha Electrophotographic device with light quantity control
US4366220A (en) 1980-03-27 1982-12-28 Minolta Camera Kabushiki Kaisha Electrostatic image recording process using prehisteresis uniform charging and light exposure pretreatment
DE3340529A1 (de) * 1982-11-09 1984-05-10 Ricoh Kk Verfahren zum steuern der zufuhr von toner
DE3340529C2 (cs) * 1982-11-09 1988-03-24 Ricoh Co., Ltd., Tokio/Tokyo, Jp

Also Published As

Publication number Publication date
JPS52110046A (en) 1977-09-14
JPS6137626B2 (cs) 1986-08-25

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19970310