GB2034489B - Variable magnification copier - Google Patents

Variable magnification copier

Info

Publication number
GB2034489B
GB2034489B GB7925562A GB7925562A GB2034489B GB 2034489 B GB2034489 B GB 2034489B GB 7925562 A GB7925562 A GB 7925562A GB 7925562 A GB7925562 A GB 7925562A GB 2034489 B GB2034489 B GB 2034489B
Authority
GB
United Kingdom
Prior art keywords
variable magnification
copier
magnification copier
variable
magnification
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
GB7925562A
Other languages
English (en)
Other versions
GB2034489A (en
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.)
Savin Corp
Original Assignee
Savin 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 Savin Corp filed Critical Savin Corp
Publication of GB2034489A publication Critical patent/GB2034489A/en
Application granted granted Critical
Publication of GB2034489B publication Critical patent/GB2034489B/en
Expired legal-status Critical Current

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
    • G03B27/50—Projection printing apparatus, e.g. enlarger, copying camera with slit or like diaphragm moving over original for progressive exposure
    • 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
    • G03B27/34—Means for automatic focusing therefor
    • G03B27/36—Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage
    • 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)
  • Optics & Photonics (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
GB7925562A 1978-11-09 1979-07-23 Variable magnification copier Expired GB2034489B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US95930378A 1978-11-09 1978-11-09

Publications (2)

Publication Number Publication Date
GB2034489A GB2034489A (en) 1980-06-04
GB2034489B true GB2034489B (en) 1983-01-06

Family

ID=25501892

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7925562A Expired GB2034489B (en) 1978-11-09 1979-07-23 Variable magnification copier

Country Status (6)

Country Link
JP (1) JPS5567766A (fr)
CA (1) CA1126800A (fr)
DE (1) DE2944721A1 (fr)
FR (1) FR2441200A1 (fr)
GB (1) GB2034489B (fr)
IT (1) IT1122487B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6156335A (ja) * 1984-08-28 1986-03-22 Konishiroku Photo Ind Co Ltd 可変倍率露光装置
JPS6188145U (fr) * 1984-11-14 1986-06-09
JPS62169137A (ja) * 1986-01-21 1987-07-25 Fuji Photo Film Co Ltd マイクロ写真拡大復元装置
WO2014128863A1 (fr) 2013-02-20 2014-08-28 三菱電機株式会社 Moteur électrique ayant des aimants permanents intégrés

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3049968A (en) * 1959-03-02 1962-08-21 Xerox Corp Xerographic reproduction apparatus
JPS541178B1 (fr) * 1970-11-06 1979-01-22
JPS5322444B1 (fr) * 1971-03-09 1978-07-08
GB1438137A (en) * 1973-10-02 1976-06-03 Gestetner Byfleet Ltd Copying machines
US4033692A (en) * 1975-10-30 1977-07-05 Xerox Corporation Multi-mode reproducing machine
DE2735679A1 (de) * 1977-08-08 1979-02-15 Canon Kk Fotokopiergeraet

Also Published As

Publication number Publication date
GB2034489A (en) 1980-06-04
CA1126800A (fr) 1982-06-29
DE2944721C2 (fr) 1990-10-18
IT1122487B (it) 1986-04-23
FR2441200A1 (fr) 1980-06-06
JPH045988B2 (fr) 1992-02-04
IT7925077A0 (it) 1979-08-10
FR2441200B1 (fr) 1984-07-06
DE2944721A1 (de) 1980-05-22
JPS5567766A (en) 1980-05-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930723