US3810693A - Color electrostatic copying apparatus - Google Patents

Color electrostatic copying apparatus Download PDF

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Publication number
US3810693A
US3810693A US00280845A US28084572A US3810693A US 3810693 A US3810693 A US 3810693A US 00280845 A US00280845 A US 00280845A US 28084572 A US28084572 A US 28084572A US 3810693 A US3810693 A US 3810693A
Authority
US
United States
Prior art keywords
copying paper
units
copying
holding
movable
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 - Lifetime
Application number
US00280845A
Other languages
English (en)
Inventor
Y Matsumoto
T Tashiro
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Application granted granted Critical
Publication of US3810693A publication Critical patent/US3810693A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G03G15/26—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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S271/00—Sheet feeding or delivering
    • Y10S271/902—Reverse direction of sheet movement

Definitions

  • ABSTRACT A color electrostatic copying apparatus comprising a rotatable and vertically movable optical device including a plurality of film carriers, a plurality of optical units and a plurality of copying paper holding units, these three groups of members being arranged in optically facing relationship; a light projector including a plurality of filters so arranged as to face said optical units and a plurality of light sources; developing and washing devices disposed at the lower part of the apparatus so as ,to face said copying paper holding units; and means for feeding a plurality of sheets of copying paper to said copying paper holding units and drawing out said sheets therefrom.
  • PAIENTEBIUY 14 1314 PATENTEMY 14 I974 sum as. or 23 PATEME YMW sum near 23 AIENTEDIAY 14 I974 SHEET 0? or 23' IFIGQ8 PATENIEDIAYWBM I f I 3.810.693

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photographic Developing Apparatuses (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Photographic Processing Devices Using Wet Methods (AREA)
US00280845A 1971-08-18 1972-08-15 Color electrostatic copying apparatus Expired - Lifetime US3810693A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46062711A JPS4829445A (de) 1971-08-18 1971-08-18

Publications (1)

Publication Number Publication Date
US3810693A true US3810693A (en) 1974-05-14

Family

ID=13208165

Family Applications (1)

Application Number Title Priority Date Filing Date
US00280845A Expired - Lifetime US3810693A (en) 1971-08-18 1972-08-15 Color electrostatic copying apparatus

Country Status (3)

Country Link
US (1) US3810693A (de)
JP (1) JPS4829445A (de)
GB (1) GB1407818A (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3976372A (en) * 1973-11-13 1976-08-24 Sharp Kabushiki Kaisha Electrophotographical reproduction of a multicolor image
US4017171A (en) * 1974-07-25 1977-04-12 Agfa-Gevaert, A.G. Apparatus for making copies of multi-colored originals
US4908667A (en) * 1987-07-17 1990-03-13 Noritsu Koki Co., Ltd. Electrophotographic copying apparatus
US5886729A (en) * 1993-05-10 1999-03-23 Canon Kabushiki Kaisha Sheet supplying apparatus using a flexible elastic pawl member for separating sheets one by one

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5158698A (ja) * 1974-11-19 1976-05-22 Dainichi Nippon Cables Ltd Dodenyoaruminiumugokin

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3091160A (en) * 1957-06-03 1963-05-28 Xerox Corp Xerographic plate feeding and supporting apparatus
US3130655A (en) * 1963-01-21 1964-04-28 Minnesota Mining & Mfg Photographic apparatus
GB1157740A (en) * 1967-10-24 1969-07-09 Eurograph Gmbh Photographic Cassette Loading and Unloading Machine
US3531195A (en) * 1963-07-25 1970-09-29 Hitachi Ltd Method and apparatus for multicolor printing
US3709593A (en) * 1970-07-07 1973-01-09 Tokyo Shibaura Electric Co Electrostatic copying apparatus for polychromatic picture

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3091160A (en) * 1957-06-03 1963-05-28 Xerox Corp Xerographic plate feeding and supporting apparatus
US3130655A (en) * 1963-01-21 1964-04-28 Minnesota Mining & Mfg Photographic apparatus
US3531195A (en) * 1963-07-25 1970-09-29 Hitachi Ltd Method and apparatus for multicolor printing
GB1157740A (en) * 1967-10-24 1969-07-09 Eurograph Gmbh Photographic Cassette Loading and Unloading Machine
US3709593A (en) * 1970-07-07 1973-01-09 Tokyo Shibaura Electric Co Electrostatic copying apparatus for polychromatic picture

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3976372A (en) * 1973-11-13 1976-08-24 Sharp Kabushiki Kaisha Electrophotographical reproduction of a multicolor image
US4017171A (en) * 1974-07-25 1977-04-12 Agfa-Gevaert, A.G. Apparatus for making copies of multi-colored originals
US4908667A (en) * 1987-07-17 1990-03-13 Noritsu Koki Co., Ltd. Electrophotographic copying apparatus
EP0299535A3 (en) * 1987-07-17 1990-07-25 Noritsu Koki Co. Ltd Electrophotographic copying apparatus
US5886729A (en) * 1993-05-10 1999-03-23 Canon Kabushiki Kaisha Sheet supplying apparatus using a flexible elastic pawl member for separating sheets one by one

Also Published As

Publication number Publication date
DE2240768B2 (de) 1977-06-23
DE2240768A1 (de) 1973-02-22
JPS4829445A (de) 1973-04-19
GB1407818A (en) 1975-09-24

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