GB1199525A - Improvements relating to Apparatus for Making an Exposure on a Photosensitive Sheet. - Google Patents

Improvements relating to Apparatus for Making an Exposure on a Photosensitive Sheet.

Info

Publication number
GB1199525A
GB1199525A GB16077/68A GB1607768A GB1199525A GB 1199525 A GB1199525 A GB 1199525A GB 16077/68 A GB16077/68 A GB 16077/68A GB 1607768 A GB1607768 A GB 1607768A GB 1199525 A GB1199525 A GB 1199525A
Authority
GB
United Kingdom
Prior art keywords
sheet
exposure
mirror
exposure position
relative
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
GB16077/68A
Other languages
English (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.)
AB Dick Co
Original Assignee
Multigraphics Inc
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 Multigraphics Inc filed Critical Multigraphics Inc
Publication of GB1199525A publication Critical patent/GB1199525A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B27/00Photographic printing apparatus
    • G03B27/32Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/34Means for automatic focusing therefor
    • G03B27/36Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B27/00Photographic printing apparatus
    • G03B27/32Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52Details
    • G03B27/62Holders for the original
    • G03B27/6207Holders for the original in copying cameras
    • G03B27/6214Copy boards
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/04Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/041Apparatus 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
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/22Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
    • G03G15/26Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is obtained by projection of the entire image, i.e. whole-frame projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection-Type Copiers In General (AREA)
GB16077/68A 1967-04-03 1968-04-03 Improvements relating to Apparatus for Making an Exposure on a Photosensitive Sheet. Expired GB1199525A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US62775767A 1967-04-03 1967-04-03

Publications (1)

Publication Number Publication Date
GB1199525A true GB1199525A (en) 1970-07-22

Family

ID=24516008

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16077/68A Expired GB1199525A (en) 1967-04-03 1968-04-03 Improvements relating to Apparatus for Making an Exposure on a Photosensitive Sheet.

Country Status (6)

Country Link
US (1) US3498712A (enrdf_load_stackoverflow)
BE (1) BE711672A (enrdf_load_stackoverflow)
DE (1) DE1597083C3 (enrdf_load_stackoverflow)
FR (1) FR1548057A (enrdf_load_stackoverflow)
GB (1) GB1199525A (enrdf_load_stackoverflow)
NL (1) NL6801200A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3589808A (en) * 1969-06-02 1971-06-29 Xerox Corp Reproducing apparatus
US3687544A (en) * 1970-03-11 1972-08-29 Mueller Rudolf Electrophotographic copying machine
US3689143A (en) * 1970-12-28 1972-09-05 Xerox Corp Reproducing machine
US3901593A (en) * 1973-03-27 1975-08-26 Iwatsu Electric Co Ltd Copying machines of the variable magnifying power type
US4192607A (en) * 1978-07-12 1980-03-11 Eastman Kodak Company Apparatus for selectively copying documents from two different document feeders
US4901105A (en) * 1989-02-16 1990-02-13 Xerox Corporation Constant velocity optical scanning system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1103343A (en) * 1905-07-10 1914-07-14 Joseph Becker Method of adjusting and regulating automatically-focused enlarging or copying cameras.
US1404440A (en) * 1920-09-16 1922-01-24 August F Jobke Focusing device
US2168190A (en) * 1936-12-04 1939-08-01 Agfa Ansco Corp Photographic enlarging apparatus
US3397627A (en) * 1965-05-21 1968-08-20 Addressograph Multigraph Photoelectrostatic copying machine

Also Published As

Publication number Publication date
DE1597083C3 (de) 1979-04-12
NL6801200A (enrdf_load_stackoverflow) 1968-10-04
DE1597083A1 (de) 1969-10-02
US3498712A (en) 1970-03-03
DE1597083B2 (de) 1978-05-24
BE711672A (enrdf_load_stackoverflow) 1968-07-15
FR1548057A (enrdf_load_stackoverflow) 1968-11-29

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee