FR2116380B1 - - Google Patents

Info

Publication number
FR2116380B1
FR2116380B1 FR7137749A FR7137749A FR2116380B1 FR 2116380 B1 FR2116380 B1 FR 2116380B1 FR 7137749 A FR7137749 A FR 7137749A FR 7137749 A FR7137749 A FR 7137749A FR 2116380 B1 FR2116380 B1 FR 2116380B1
Authority
FR
France
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
FR7137749A
Other versions
FR2116380A1 (fr
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 FR2116380A1 publication Critical patent/FR2116380A1/fr
Application granted granted Critical
Publication of FR2116380B1 publication Critical patent/FR2116380B1/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/04Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/041Apparatus 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 variable magnification

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
FR7137749A 1970-11-06 1971-10-12 Expired FR2116380B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8750870A 1970-11-06 1970-11-06

Publications (2)

Publication Number Publication Date
FR2116380A1 FR2116380A1 (fr) 1972-07-13
FR2116380B1 true FR2116380B1 (fr) 1974-05-31

Family

ID=22205608

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7137749A Expired FR2116380B1 (fr) 1970-11-06 1971-10-12

Country Status (10)

Country Link
JP (1) JPS541178B1 (fr)
AU (1) AU462019B2 (fr)
BE (1) BE774410A (fr)
CA (1) CA967796A (fr)
CH (1) CH530661A (fr)
DE (1) DE2154944A1 (fr)
ES (1) ES396573A1 (fr)
FR (1) FR2116380B1 (fr)
GB (1) GB1336819A (fr)
NL (1) NL7113050A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778147A (en) * 1972-07-11 1973-12-11 Xerox Corp Electrostatic reproduction machine having selectable magnification ratios
US3897148A (en) * 1973-11-29 1975-07-29 Ibm Optical scanning system
JPS6014345B2 (ja) * 1974-12-25 1985-04-12 株式会社リコー 電子複写機における変倍スリツト露光方法
GB1490755A (en) * 1975-03-10 1977-11-02 Seib M Optical viewing apparatus
US4013361A (en) * 1975-06-20 1977-03-22 Xerox Corporation Optical apparatus and reproducing machine
JPS5949574B2 (ja) * 1975-10-30 1984-12-04 ゼロツクス、コ−ポレ−シヨン 複写機
US4120578A (en) * 1976-09-07 1978-10-17 International Business Machines Corporation Continuously variable reduction scanning optics drive
GB1525218A (en) * 1976-09-07 1978-09-20 Ibm Electrophotographic copying machine
US4105327A (en) * 1976-12-09 1978-08-08 International Business Machines Corporation Multiple reduction indicators for continuously variable reduction copier machines
JPS5392126A (en) * 1977-01-25 1978-08-12 Ricoh Co Ltd Exposure regulator for variable magnification copying machine
CA1126800A (fr) * 1978-11-09 1982-06-29 Benzion Landa Dispositif de focalisation tournable pour copieur electrophotographique a agrandissement variable

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1198539A (en) * 1968-12-09 1970-07-15 Tokyo Shibaura Electric Co Photocopying Apparatus.
JPS4821892B1 (fr) * 1969-02-28 1973-07-02

Also Published As

Publication number Publication date
CA967796A (en) 1975-05-20
ES396573A1 (es) 1974-05-16
JPS541178B1 (fr) 1979-01-22
BE774410A (fr) 1972-02-14
CH530661A (de) 1972-11-15
FR2116380A1 (fr) 1972-07-13
NL7113050A (fr) 1972-05-09
GB1336819A (en) 1973-11-14
AU462019B2 (en) 1975-06-12
DE2154944A1 (de) 1972-05-18
AU3527971A (en) 1973-05-10

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