BR7107733D0 - Aperfeicoamentos em aparelho eletrofotgrafico para produzir copias de um documento original - Google Patents

Aperfeicoamentos em aparelho eletrofotgrafico para produzir copias de um documento original

Info

Publication number
BR7107733D0
BR7107733D0 BR7733/71A BR773371A BR7107733D0 BR 7107733 D0 BR7107733 D0 BR 7107733D0 BR 7733/71 A BR7733/71 A BR 7733/71A BR 773371 A BR773371 A BR 773371A BR 7107733 D0 BR7107733 D0 BR 7107733D0
Authority
BR
Brazil
Prior art keywords
original document
photographic apparatus
electric photographic
produce copies
copies
Prior art date
Application number
BR7733/71A
Other languages
English (en)
Inventor
G Bruce
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of BR7107733D0 publication Critical patent/BR7107733D0/pt

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)
BR7733/71A 1970-11-20 1971-11-19 Aperfeicoamentos em aparelho eletrofotgrafico para produzir copias de um documento original BR7107733D0 (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR7107733D0 true BR7107733D0 (pt) 1973-02-27

Family

ID=22227824

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7733/71A BR7107733D0 (pt) 1970-11-20 1971-11-19 Aperfeicoamentos em aparelho eletrofotgrafico para produzir copias de um documento original

Country Status (11)

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

Families Citing this family (8)

* 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
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
BE773337A (fr) 1972-01-17
FR2114363A5 (pt) 1972-06-30
GB1335119A (en) 1973-10-24
CA992599A (en) 1976-07-06
AU458403B2 (en) 1975-02-27
CH527452A (de) 1972-08-31
JPS5017860B1 (pt) 1975-06-24
US3720465A (en) 1973-03-13
ES397171A1 (es) 1974-04-16
AU3547871A (en) 1973-05-17
DE2154809A1 (de) 1972-06-08

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