CA1126800A - Dispositif de focalisation tournable pour copieur electrophotographique a agrandissement variable - Google Patents

Dispositif de focalisation tournable pour copieur electrophotographique a agrandissement variable

Info

Publication number
CA1126800A
CA1126800A CA332,178A CA332178A CA1126800A CA 1126800 A CA1126800 A CA 1126800A CA 332178 A CA332178 A CA 332178A CA 1126800 A CA1126800 A CA 1126800A
Authority
CA
Canada
Prior art keywords
focusing means
mirror
magnification
angular
cable
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
CA332,178A
Other languages
English (en)
Inventor
Benzion Landa
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
Application granted granted Critical
Publication of CA1126800A publication Critical patent/CA1126800A/fr
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)
CA332,178A 1978-11-09 1979-07-19 Dispositif de focalisation tournable pour copieur electrophotographique a agrandissement variable Expired CA1126800A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US95930378A 1978-11-09 1978-11-09
US959,303 1978-11-09

Publications (1)

Publication Number Publication Date
CA1126800A true CA1126800A (fr) 1982-06-29

Family

ID=25501892

Family Applications (1)

Application Number Title Priority Date Filing Date
CA332,178A Expired CA1126800A (fr) 1978-11-09 1979-07-19 Dispositif de focalisation tournable pour copieur electrophotographique a agrandissement variable

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
CN105009418B (zh) 2013-02-20 2017-11-28 三菱电机株式会社 永磁铁埋入式电动机

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
IT7925077A0 (it) 1979-08-10
GB2034489A (en) 1980-06-04
GB2034489B (en) 1983-01-06
FR2441200B1 (fr) 1984-07-06
JPS5567766A (en) 1980-05-22
FR2441200A1 (fr) 1980-06-06
DE2944721C2 (fr) 1990-10-18
DE2944721A1 (de) 1980-05-22
JPH045988B2 (fr) 1992-02-04
IT1122487B (it) 1986-04-23

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Legal Events

Date Code Title Description
MKEX Expiry