CA988148A - Exposure control in electrostatic photocopying processes - Google Patents

Exposure control in electrostatic photocopying processes

Info

Publication number
CA988148A
CA988148A CA171,243A CA171243A CA988148A CA 988148 A CA988148 A CA 988148A CA 171243 A CA171243 A CA 171243A CA 988148 A CA988148 A CA 988148A
Authority
CA
Canada
Prior art keywords
exposure control
electrostatic photocopying
photocopying processes
processes
electrostatic
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
CA171,243A
Other versions
CA171243S (en
Inventor
John H. De Lorme (Jr.)
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.)
AB Dick Co
Original Assignee
AB Dick Co
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 AB Dick Co filed Critical AB Dick Co
Application granted granted Critical
Publication of CA988148A publication Critical patent/CA988148A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrophotography Using Other Than Carlson'S Method (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
CA171,243A 1972-05-15 1973-05-14 Exposure control in electrostatic photocopying processes Expired CA988148A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25304572A 1972-05-15 1972-05-15

Publications (1)

Publication Number Publication Date
CA988148A true CA988148A (en) 1976-04-27

Family

ID=22958609

Family Applications (1)

Application Number Title Priority Date Filing Date
CA171,243A Expired CA988148A (en) 1972-05-15 1973-05-14 Exposure control in electrostatic photocopying processes

Country Status (5)

Country Link
US (1) US3749488A (en)
JP (1) JPS4967630A (en)
CA (1) CA988148A (en)
DE (1) DE2324498C3 (en)
GB (1) GB1426907A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3880512A (en) * 1973-05-21 1975-04-29 Coulter Information Systems Image recording apparatus for electrophotographic film
DE2439486C2 (en) * 1973-08-17 1986-10-30 Coulter Systems Corp., Bedford, Mass. Apparatus for exposing a photoconductive film
JPS5926957B2 (en) * 1973-12-28 1984-07-02 キヤノン株式会社 Color electrophotographic method
US3909126A (en) * 1974-03-18 1975-09-30 Xerox Corp Multi-process control system for an electrophotographic printing machine
JPS6040024B2 (en) * 1976-09-17 1985-09-09 キヤノン株式会社 Electrostatic latent image stabilization method
US4176943A (en) * 1976-10-18 1979-12-04 Ricoh Company, Ltd. Electrophotographic apparatus
JPS5381121A (en) * 1976-12-27 1978-07-18 Kip Kk Method of taking electrophotography and device therefor
JPS55151652A (en) * 1979-05-17 1980-11-26 Canon Inc Electrophotographic apparatus
US4624548A (en) * 1983-07-22 1986-11-25 Canon Kabushiki Kaisha Image density control device
DE3409701A1 (en) * 1984-03-16 1985-09-19 Hoechst Ag, 6230 Frankfurt METHOD AND ARRANGEMENT FOR COMPLYING WITH A PRESENT POTENTIAL RATIO IN THE EXPOSURE OF ELECTROSTATICALLY CHARGED LIGHT SENSITIVE LAYERS
JPH04212181A (en) * 1990-06-14 1992-08-03 Sharp Corp Image forming device with detector detecting decrease in thickness of photosensitive body film

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3438704A (en) * 1966-10-11 1969-04-15 Xerox Corp Illumination control system
JPS4514158Y1 (en) * 1966-10-31 1970-06-15
US3635555A (en) * 1968-11-25 1972-01-18 Canon Kk Electrophotographic copying device
US3679306A (en) * 1971-01-21 1972-07-25 Pitney Bowes Inc Feedback system for controlling image light energy in electrostatic photocopiers

Also Published As

Publication number Publication date
GB1426907A (en) 1976-03-03
DE2324498A1 (en) 1973-11-22
DE2324498C3 (en) 1975-10-23
DE2324498B2 (en) 1975-03-06
JPS4967630A (en) 1974-07-01
US3749488A (en) 1973-07-31

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