GB1350820A - Document copying apparatus - Google Patents

Document copying apparatus

Info

Publication number
GB1350820A
GB1350820A GB3866371A GB3866371A GB1350820A GB 1350820 A GB1350820 A GB 1350820A GB 3866371 A GB3866371 A GB 3866371A GB 3866371 A GB3866371 A GB 3866371A GB 1350820 A GB1350820 A GB 1350820A
Authority
GB
United Kingdom
Prior art keywords
document
copying apparatus
aug
optical system
receiving surface
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
GB3866371A
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1350820A publication Critical patent/GB1350820A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/522—Projection optics
    • G03B27/525—Projection optics for slit exposure
    • G03B27/526—Projection optics for slit exposure in which the projection optics move

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
GB3866371A 1970-08-24 1971-08-18 Document copying apparatus Expired GB1350820A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6632670A 1970-08-24 1970-08-24

Publications (1)

Publication Number Publication Date
GB1350820A true GB1350820A (en) 1974-04-24

Family

ID=22068788

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3866371A Expired GB1350820A (en) 1970-08-24 1971-08-18 Document copying apparatus

Country Status (5)

Country Link
US (1) US3694070A (enExample)
CA (1) CA955438A (enExample)
DE (1) DE2138981C3 (enExample)
FR (1) FR2101767A5 (enExample)
GB (1) GB1350820A (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3758774A (en) * 1972-06-19 1973-09-11 Ibm Illumination system for copier machines arranged to minimize glare with respect to an operator
JPS5392128A (en) * 1977-01-25 1978-08-12 Ricoh Co Ltd Illuminator for copying machine
US4256959A (en) * 1979-09-12 1981-03-17 The Mead Corporation Optical scanner including feedback for reflector control
US4459618A (en) * 1979-09-12 1984-07-10 The Mead Corporation Line source illuminator
US4258395A (en) * 1979-09-12 1981-03-24 The Mead Corporation Document scanning system
US4259696A (en) * 1979-09-12 1981-03-31 The Mead Corporation Apparatus and method for jet drop copying with an array of jets and photodetectors
DE3064324D1 (en) * 1979-12-03 1983-08-25 Ibm Electrophotographic copier including a belt photoconductor
US4285590A (en) * 1980-10-15 1981-08-25 Xerox Corporation Precession scanning system for copier device
DE3109597C2 (de) * 1981-03-13 1983-10-13 W.C. Heraeus Gmbh, 6450 Hanau Vorlagenbeleuchtungseinrichtung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2600168A (en) * 1949-03-26 1952-06-10 Time Inc Photoprinting device
US3019292A (en) * 1956-11-16 1962-01-30 John Frank Thomas Self-illuminated aerial camera
GB1122231A (en) * 1964-08-18 1968-07-31 Caps Res Ltd Improvements in document-copying apparatus
DE1236321B (de) * 1966-01-14 1967-03-09 Agfa Gevaert Ag Optisches Kopiergeraet
US3640615A (en) * 1967-11-14 1972-02-08 Xerox Corp Xerographic reproducing apparatus
US3523725A (en) * 1968-05-01 1970-08-11 Xerox Corp Xerographic reproducing apparatus

Also Published As

Publication number Publication date
CA955438A (en) 1974-10-01
DE2138981A1 (de) 1972-03-02
US3694070A (en) 1972-09-26
DE2138981C3 (de) 1981-11-19
FR2101767A5 (enExample) 1972-03-31
DE2138981B2 (de) 1981-01-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee