GB2066983B - Variable magnification photocopier - Google Patents

Variable magnification photocopier

Info

Publication number
GB2066983B
GB2066983B GB8039992A GB8039992A GB2066983B GB 2066983 B GB2066983 B GB 2066983B GB 8039992 A GB8039992 A GB 8039992A GB 8039992 A GB8039992 A GB 8039992A GB 2066983 B GB2066983 B GB 2066983B
Authority
GB
United Kingdom
Prior art keywords
variable magnification
photocopier
magnification photocopier
variable
magnification
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
GB8039992A
Other versions
GB2066983A (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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to GB8039992A priority Critical patent/GB2066983B/en
Publication of GB2066983A publication Critical patent/GB2066983A/en
Application granted granted Critical
Publication of GB2066983B publication Critical patent/GB2066983B/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
    • G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0266—Arrangements for controlling the amount of charge
    • 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
    • G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0291—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices corona discharge devices, e.g. wires, pointed electrodes, means for cleaning the corona discharge device
    • 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
    • G03G15/041—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 variable magnification

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
GB8039992A 1980-12-12 1980-12-12 Variable magnification photocopier Expired GB2066983B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8039992A GB2066983B (en) 1980-12-12 1980-12-12 Variable magnification photocopier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8039992A GB2066983B (en) 1980-12-12 1980-12-12 Variable magnification photocopier

Publications (2)

Publication Number Publication Date
GB2066983A GB2066983A (en) 1981-07-15
GB2066983B true GB2066983B (en) 1984-05-31

Family

ID=10517973

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8039992A Expired GB2066983B (en) 1980-12-12 1980-12-12 Variable magnification photocopier

Country Status (1)

Country Link
GB (1) GB2066983B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58208739A (en) * 1982-05-31 1983-12-05 Canon Inc Device for forming picture
DE3409406A1 (en) * 1983-03-15 1984-09-20 Canon K.K., Tokio/Tokyo IMAGE REPRODUCTION DEVICE
US4600294A (en) * 1983-04-01 1986-07-15 Canon Kabushiki Kaisha Image forming apparatus with detector and control
US4542985A (en) * 1983-04-26 1985-09-24 Canon Kabushiki Kaisha Image formation apparatus

Also Published As

Publication number Publication date
GB2066983A (en) 1981-07-15

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Legal Events

Date Code Title Description
PG Patent granted