AU462019B2 - Optical projection system - Google Patents

Optical projection system

Info

Publication number
AU462019B2
AU462019B2 AU35279/71A AU3527971A AU462019B2 AU 462019 B2 AU462019 B2 AU 462019B2 AU 35279/71 A AU35279/71 A AU 35279/71A AU 3527971 A AU3527971 A AU 3527971A AU 462019 B2 AU462019 B2 AU 462019B2
Authority
AU
Australia
Prior art keywords
projection system
optical projection
optical
projection
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
AU35279/71A
Other languages
English (en)
Other versions
AU3527971A (en
Inventor
LANGFORD LIBBY and MYRL J. MILLER EDWIN
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 AU3527971A publication Critical patent/AU3527971A/en
Application granted granted Critical
Publication of AU462019B2 publication Critical patent/AU462019B2/en
Expired legal-status Critical Current

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)
AU35279/71A 1970-11-06 1971-11-02 Optical projection system Expired AU462019B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8750870A 1970-11-06 1970-11-06
USUS87508 1970-11-06

Publications (2)

Publication Number Publication Date
AU3527971A AU3527971A (en) 1973-05-10
AU462019B2 true AU462019B2 (en) 1975-06-12

Family

ID=22205608

Family Applications (1)

Application Number Title Priority Date Filing Date
AU35279/71A Expired AU462019B2 (en) 1970-11-06 1971-11-02 Optical projection system

Country Status (10)

Country Link
JP (1) JPS541178B1 (US07223432-20070529-C00017.png)
AU (1) AU462019B2 (US07223432-20070529-C00017.png)
BE (1) BE774410A (US07223432-20070529-C00017.png)
CA (1) CA967796A (US07223432-20070529-C00017.png)
CH (1) CH530661A (US07223432-20070529-C00017.png)
DE (1) DE2154944A1 (US07223432-20070529-C00017.png)
ES (1) ES396573A1 (US07223432-20070529-C00017.png)
FR (1) FR2116380B1 (US07223432-20070529-C00017.png)
GB (1) GB1336819A (US07223432-20070529-C00017.png)
NL (1) NL7113050A (US07223432-20070529-C00017.png)

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
GB1525218A (en) * 1976-09-07 1978-09-20 Ibm Electrophotographic copying machine
US4120578A (en) * 1976-09-07 1978-10-17 International Business Machines Corporation Continuously variable reduction scanning optics drive
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 (en) * 1978-11-09 1982-06-29 Benzion Landa Rotatable focusing means for variable magnification electrophotographic copier

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 (US07223432-20070529-C00017.png) * 1969-02-28 1973-07-02

Also Published As

Publication number Publication date
AU3527971A (en) 1973-05-10
CH530661A (de) 1972-11-15
GB1336819A (en) 1973-11-14
NL7113050A (US07223432-20070529-C00017.png) 1972-05-09
FR2116380B1 (US07223432-20070529-C00017.png) 1974-05-31
JPS541178B1 (US07223432-20070529-C00017.png) 1979-01-22
ES396573A1 (es) 1974-05-16
CA967796A (en) 1975-05-20
BE774410A (fr) 1972-02-14
FR2116380A1 (US07223432-20070529-C00017.png) 1972-07-13
DE2154944A1 (de) 1972-05-18

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