GB1307939A - Electrophotographic copying apparatus - Google Patents

Electrophotographic copying apparatus

Info

Publication number
GB1307939A
GB1307939A GB1225670A GB1225670A GB1307939A GB 1307939 A GB1307939 A GB 1307939A GB 1225670 A GB1225670 A GB 1225670A GB 1225670 A GB1225670 A GB 1225670A GB 1307939 A GB1307939 A GB 1307939A
Authority
GB
United Kingdom
Prior art keywords
plate
charger
dryer
march
conductive roller
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
GB1225670A
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
Priority claimed from JP2331869U external-priority patent/JPS49970Y1/ja
Priority claimed from JP2332069U external-priority patent/JPS546442Y1/ja
Priority claimed from JP4823269U external-priority patent/JPS4830204Y1/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of GB1307939A publication Critical patent/GB1307939A/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
    • G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
    • G03G15/221—Machines other than electrographic copiers, e.g. electrophotographic cameras, electrostatic typewriters
    • G03G15/223—Machines for handling microimages, e.g. microfilm copiers
    • 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
    • G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
    • G03G15/0142—Structure of complete machines
    • 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
    • G03G15/045—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 charging or discharging distinct portions of the charge pattern on the recording material, e.g. for contrast enhancement or discharging non-image areas
    • G03G15/047—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 charging or discharging distinct portions of the charge pattern on the recording material, e.g. for contrast enhancement or discharging non-image areas for discharging non-image areas
    • 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
    • G03G15/10—Apparatus for electrographic processes using a charge pattern for developing using a liquid developer
    • 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
    • G03G15/10—Apparatus for electrographic processes using a charge pattern for developing using a liquid developer
    • G03G15/101—Apparatus for electrographic processes using a charge pattern for developing using a liquid developer for wetting the recording material
    • 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
    • G03G15/26—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is obtained by projection of the entire image, i.e. whole-frame projection
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/10—Bases for charge-receiving or other layers
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/04—Arrangements for exposing and producing an image
    • G03G2215/0429—Changing or enhancing the image
    • G03G2215/0431—Producing a clean non-image area, i.e. avoiding show-around effects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Color Electrophotography (AREA)
  • Wet Developing In Electrophotography (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
  • Photoreceptors In Electrophotography (AREA)

Abstract

1307939 Electro-photography CANON K K 13 March 1970 [15 March 1969(2) 23 May 1969(2)] 12256/70 Heading G2H A photographic plate in a frame holder 3 having registration holes 4 is conveyed by means of a pair of endless conductive belts 17 and an endless belt 18 past charger 5, exposure station 30, liquid development device 8, fixing device 16 and dryer 14. An earthed conductive roller 40 after charger 5 makes contact with holder 3, (but not the plate) to dissipate the charge thereon. In multi-colour reproduction, the direction of passage of the plate is reversed after development and the plate passes a second dryer 11, charger 6 and conductive roller 41 before further exposure and return to developer device 8.
GB1225670A 1969-03-15 1970-03-13 Electrophotographic copying apparatus Expired GB1307939A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2331869U JPS49970Y1 (en) 1969-03-15 1969-03-15
JP2332069U JPS546442Y1 (en) 1969-03-15 1969-03-15
JP4823169 1969-05-23
JP4823269U JPS4830204Y1 (en) 1969-05-23 1969-05-23

Publications (1)

Publication Number Publication Date
GB1307939A true GB1307939A (en) 1973-02-21

Family

ID=27457940

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1225670A Expired GB1307939A (en) 1969-03-15 1970-03-13 Electrophotographic copying apparatus

Country Status (2)

Country Link
US (1) US3694069A (en)
GB (1) GB1307939A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0057305A1 (en) * 1981-02-04 1982-08-11 Photon Chroma Inc Electrographic slide and method of making same

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3999987A (en) * 1969-06-04 1976-12-28 Xerox Corporation Color reproduction method
JPS4950942A (en) * 1972-09-14 1974-05-17
US3985435A (en) * 1972-12-29 1976-10-12 Ricoh Co., Ltd. Color electrophotographic apparatus
US3972610A (en) * 1973-04-09 1976-08-03 A. B. Dick/Scott Electrophotographic apparatus for production of plural images on a sheet
US4025182A (en) * 1973-11-30 1977-05-24 Xerox Corporation Transfer apparatus for a color electrophotographic printing machine
US3987756A (en) * 1974-07-19 1976-10-26 Canon Kabushiki Kaisha Developing device
DE2435851C2 (en) * 1974-07-25 1982-09-02 Agfa-Gevaert Ag, 5090 Leverkusen Electrostatic color copier
JPS53110853A (en) * 1977-03-09 1978-09-27 Matsushita Electric Ind Co Ltd Color image former
US4167323A (en) * 1977-10-03 1979-09-11 Eastman Kodak Company Reproduction apparatus for producing simplex or duplex copies
US4249328A (en) * 1979-07-02 1981-02-10 Photon Chroma, Inc. Electrophotographic slide and method of making same
US4392734A (en) * 1980-04-28 1983-07-12 Photon Chroma, Inc. Electrophotographic camera
US4547061A (en) * 1982-02-16 1985-10-15 Coulter Systems Corporation Electrophotographic imaging apparatus and method particularly for color proofing
US4461561A (en) * 1982-07-30 1984-07-24 Photon Chroma, Inc. Apparatus for imaging and developing electrophotographic microformats
JPH0690562B2 (en) * 1985-12-28 1994-11-14 株式会社リコー Color copier

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3009402A (en) * 1957-06-03 1961-11-21 Xerox Corp Xerographic processing apparatus
US3083622A (en) * 1959-06-12 1963-04-02 Robertson Photo Mechanix Inc Xerographic apparatus
US3100427A (en) * 1960-11-03 1963-08-13 Xerox Corp Projection device
US3357326A (en) * 1964-06-04 1967-12-12 Harris Intertype Corp Electrophotographic apparatus
US3495903A (en) * 1966-05-06 1970-02-17 Harris Intertype Corp Electrophotographic apparatus and method
US3542465A (en) * 1967-09-01 1970-11-24 Xerox Corp Camera with development means

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0057305A1 (en) * 1981-02-04 1982-08-11 Photon Chroma Inc Electrographic slide and method of making same

Also Published As

Publication number Publication date
US3694069A (en) 1972-09-26
DE2012396B2 (en) 1974-08-08
DE2012396A1 (en) 1970-11-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees