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FR883522A - Improvements to view projection devices and power outlets likely to be used in such devices - Google Patents

Improvements to view projection devices and power outlets likely to be used in such devices

Info

Publication number
FR883522A
FR883522A FR883522DA FR883522A FR 883522 A FR883522 A FR 883522A FR 883522D A FR883522D A FR 883522DA FR 883522 A FR883522 A FR 883522A
Authority
FR
France
Prior art keywords
devices
power outlets
view projection
projection devices
view
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
French (fr)
Inventor
Serge Dedepedre
Rene Besancenot
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 filed Critical
Application granted granted Critical
Publication of FR883522A publication Critical patent/FR883522A/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
    • G03B23/00—Devices for changing pictures in viewing apparatus or projectors
    • G03B23/08—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier
    • G03B23/12—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier linear strip carrier

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR883522D 1942-02-19 1942-02-19 Improvements to view projection devices and power outlets likely to be used in such devices Expired FR883522A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR883522T 1942-02-19

Publications (1)

Publication Number Publication Date
FR883522A true FR883522A (en) 1943-07-07

Family

ID=9374560

Family Applications (1)

Application Number Title Priority Date Filing Date
FR883522D Expired FR883522A (en) 1942-02-19 1942-02-19 Improvements to view projection devices and power outlets likely to be used in such devices

Country Status (1)

Country Link
FR (1) FR883522A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2614458A (en) * 1948-10-23 1952-10-21 American Optical Corp Film projector housing construction
US2734421A (en) * 1956-02-14 Film projector
US4169669A (en) * 1977-03-24 1979-10-02 Shinano Kikaku Company Limited Film winding device for slide projectors

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734421A (en) * 1956-02-14 Film projector
US2614458A (en) * 1948-10-23 1952-10-21 American Optical Corp Film projector housing construction
US4169669A (en) * 1977-03-24 1979-10-02 Shinano Kikaku Company Limited Film winding device for slide projectors

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