CA967796A - Optical system featuring change in magnification by combined lens and mirror motion - Google Patents

Optical system featuring change in magnification by combined lens and mirror motion

Info

Publication number
CA967796A
CA967796A CA126,620A CA126620A CA967796A CA 967796 A CA967796 A CA 967796A CA 126620 A CA126620 A CA 126620A CA 967796 A CA967796 A CA 967796A
Authority
CA
Canada
Prior art keywords
magnification
change
optical system
combined lens
system featuring
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
CA126,620A
Other versions
CA126620S (en
Inventor
Edwin L. Libby
Myrl J. Miller
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
Application granted granted Critical
Publication of CA967796A publication Critical patent/CA967796A/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
CA126,620A 1970-11-06 1971-11-02 Optical system featuring change in magnification by combined lens and mirror motion Expired CA967796A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA967796A true CA967796A (en) 1975-05-20

Family

ID=22205608

Family Applications (1)

Application Number Title Priority Date Filing Date
CA126,620A Expired CA967796A (en) 1970-11-06 1971-11-02 Optical system featuring change in magnification by combined lens and mirror motion

Country Status (10)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4105327A (en) * 1976-12-09 1978-08-08 International Business Machines Corporation Multiple reduction indicators for continuously variable reduction copier machines
US4120578A (en) * 1976-09-07 1978-10-17 International Business Machines Corporation Continuously variable reduction scanning optics drive
US4171904A (en) * 1977-01-25 1979-10-23 Ricoh Co., Ltd. Image forming device of copying apparatus of the variable duplicate size type
US4209248A (en) * 1976-09-07 1980-06-24 International Business Machines Corporation Continuously variable reduction copier optics systems

Families Citing this family (7)

* 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 (en) * 1974-12-25 1985-04-12 株式会社リコー Variable magnification slit exposure method in electronic copying machine
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 (en) * 1975-10-30 1984-12-04 ゼロツクス、コ−ポレ−シヨン Copy 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 (en) * 1969-02-28 1973-07-02

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4120578A (en) * 1976-09-07 1978-10-17 International Business Machines Corporation Continuously variable reduction scanning optics drive
US4209248A (en) * 1976-09-07 1980-06-24 International Business Machines Corporation Continuously variable reduction copier optics systems
US4105327A (en) * 1976-12-09 1978-08-08 International Business Machines Corporation Multiple reduction indicators for continuously variable reduction copier machines
US4171904A (en) * 1977-01-25 1979-10-23 Ricoh Co., Ltd. Image forming device of copying apparatus of the variable duplicate size type

Also Published As

Publication number Publication date
AU3527971A (en) 1973-05-10
JPS541178B1 (en) 1979-01-22
ES396573A1 (en) 1974-05-16
BE774410A (en) 1972-02-14
NL7113050A (en) 1972-05-09
FR2116380B1 (en) 1974-05-31
AU462019B2 (en) 1975-06-12
DE2154944A1 (en) 1972-05-18
GB1336819A (en) 1973-11-14
CH530661A (en) 1972-11-15
FR2116380A1 (en) 1972-07-13

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