CH530661A - Einstellbares optisches System für Kopiergeräte - Google Patents

Einstellbares optisches System für Kopiergeräte

Info

Publication number
CH530661A
CH530661A CH1576071A CH1576071A CH530661A CH 530661 A CH530661 A CH 530661A CH 1576071 A CH1576071 A CH 1576071A CH 1576071 A CH1576071 A CH 1576071A CH 530661 A CH530661 A CH 530661A
Authority
CH
Switzerland
Prior art keywords
copiers
optical system
adjustable optical
adjustable
optical
Prior art date
Application number
CH1576071A
Other languages
German (de)
English (en)
Inventor
L Libby Edwin
J Miller Myrl
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 CH530661A publication Critical patent/CH530661A/de

Links

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
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/041—Apparatus 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)
CH1576071A 1970-11-06 1971-10-28 Einstellbares optisches System für Kopiergeräte CH530661A (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH530661A true CH530661A (de) 1972-11-15

Family

ID=22205608

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1576071A CH530661A (de) 1970-11-06 1971-10-28 Einstellbares optisches System für Kopiergeräte

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
NL7113050A (fr) 1972-05-09
ES396573A1 (es) 1974-05-16
AU3527971A (en) 1973-05-10
BE774410A (fr) 1972-02-14
FR2116380B1 (fr) 1974-05-31
AU462019B2 (en) 1975-06-12
DE2154944A1 (de) 1972-05-18
JPS541178B1 (fr) 1979-01-22
FR2116380A1 (fr) 1972-07-13
CA967796A (en) 1975-05-20
GB1336819A (en) 1973-11-14

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Legal Events

Date Code Title Description
PL Patent ceased