AU458403B2 - Document copiers - Google Patents

Document copiers

Info

Publication number
AU458403B2
AU458403B2 AU35478/71A AU3547871A AU458403B2 AU 458403 B2 AU458403 B2 AU 458403B2 AU 35478/71 A AU35478/71 A AU 35478/71A AU 3547871 A AU3547871 A AU 3547871A AU 458403 B2 AU458403 B2 AU 458403B2
Authority
AU
Australia
Prior art keywords
document copiers
copiers
document
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
AU35478/71A
Other languages
English (en)
Other versions
AU3547871A (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 AU3547871A publication Critical patent/AU3547871A/en
Application granted granted Critical
Publication of AU458403B2 publication Critical patent/AU458403B2/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)
  • Facsimile Scanning Arrangements (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
AU35478/71A 1970-11-20 1971-11-08 Document copiers Expired AU458403B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9144770A 1970-11-20 1970-11-20
USUS91447 1970-11-20

Publications (2)

Publication Number Publication Date
AU3547871A AU3547871A (en) 1973-05-17
AU458403B2 true AU458403B2 (en) 1975-02-27

Family

ID=22227824

Family Applications (1)

Application Number Title Priority Date Filing Date
AU35478/71A Expired AU458403B2 (en) 1970-11-20 1971-11-08 Document copiers

Country Status (11)

Country Link
US (1) US3720465A (enExample)
JP (1) JPS5017860B1 (enExample)
AU (1) AU458403B2 (enExample)
BE (1) BE773337A (enExample)
BR (1) BR7107733D0 (enExample)
CA (1) CA992599A (enExample)
CH (1) CH527452A (enExample)
DE (1) DE2154809A1 (enExample)
ES (1) ES397171A1 (enExample)
FR (1) FR2114363A5 (enExample)
GB (1) GB1335119A (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5392128A (en) * 1977-01-25 1978-08-12 Ricoh Co Ltd Illuminator for copying machine
EP0022175B2 (en) * 1979-06-21 1985-10-09 International Business Machines Corporation Electrophotographic copier with variable original document to image size ratio
JPS5624371A (en) * 1979-08-06 1981-03-07 Ricoh Co Ltd Slit exposure type lighting device
US4459618A (en) * 1979-09-12 1984-07-10 The Mead Corporation Line source illuminator
US4396274A (en) * 1979-12-03 1983-08-02 International Business Machines Corporation Electrophotographic copier configuration
DE3064324D1 (en) * 1979-12-03 1983-08-25 Ibm Electrophotographic copier including a belt photoconductor
AT369559B (de) 1979-12-14 1983-01-10 Createchnic Patent Ag Verfahren zum kopieren von bildern von einem transparenten bildtraeger auf einen lichtempfindlichen kopientraeger und vorrichtung zur durchfuehrung dieses verfahrens
US4336995A (en) * 1980-09-24 1982-06-29 Xerox Corporation Precession scanning system for copier device
DE3303283A1 (de) * 1982-02-01 1983-08-11 Ricoh Co., Ltd., Tokyo Bildbelichtungssystem

Family Cites Families (3)

* 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
US3203328A (en) * 1963-02-21 1965-08-31 Marquardt Corp Full circumferential viewing system
US3345926A (en) * 1964-11-12 1967-10-10 Formfoto Mfg Company Electrophotographic copying machine

Also Published As

Publication number Publication date
FR2114363A5 (enExample) 1972-06-30
BE773337A (fr) 1972-01-17
US3720465A (en) 1973-03-13
ES397171A1 (es) 1974-04-16
CA992599A (en) 1976-07-06
BR7107733D0 (pt) 1973-02-27
CH527452A (de) 1972-08-31
DE2154809A1 (de) 1972-06-08
GB1335119A (en) 1973-10-24
JPS5017860B1 (enExample) 1975-06-24
AU3547871A (en) 1973-05-17

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