FR930548A - Perfectionnements aux appareils de reproduction de documents sur microfilms - Google Patents

Perfectionnements aux appareils de reproduction de documents sur microfilms

Info

Publication number
FR930548A
FR930548A FR930548DA FR930548A FR 930548 A FR930548 A FR 930548A FR 930548D A FR930548D A FR 930548DA FR 930548 A FR930548 A FR 930548A
Authority
FR
France
Prior art keywords
reproduction devices
document reproduction
microfilm
microfilm document
devices
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
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR930548A publication Critical patent/FR930548A/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
    • G03B27/46—Projection printing apparatus, e.g. enlarger, copying camera for automatic sequential copying of different originals, e.g. enlargers, roll film printers
    • G03B27/465—Projection printing apparatus, e.g. enlarger, copying camera for automatic sequential copying of different originals, e.g. enlargers, roll film printers at different positions of the same strip, e.g. microfilm

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR930548D 1946-07-12 1946-07-12 Perfectionnements aux appareils de reproduction de documents sur microfilms Expired FR930548A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR930548T 1946-07-12

Publications (1)

Publication Number Publication Date
FR930548A true FR930548A (fr) 1948-01-28

Family

ID=9446877

Family Applications (1)

Application Number Title Priority Date Filing Date
FR930548D Expired FR930548A (fr) 1946-07-12 1946-07-12 Perfectionnements aux appareils de reproduction de documents sur microfilms

Country Status (1)

Country Link
FR (1) FR930548A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3416862A (en) * 1966-07-01 1968-12-17 Sylvania Electric Prod Optical system for photocopying

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3416862A (en) * 1966-07-01 1968-12-17 Sylvania Electric Prod Optical system for photocopying

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