FR897098A - Automatic projection device - Google Patents

Automatic projection device

Info

Publication number
FR897098A
FR897098A FR897098DA FR897098A FR 897098 A FR897098 A FR 897098A FR 897098D A FR897098D A FR 897098DA FR 897098 A FR897098 A FR 897098A
Authority
FR
France
Prior art keywords
projection device
automatic projection
automatic
projection
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
Pierre Potaux
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 FR897098A publication Critical patent/FR897098A/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
    • G03B23/02—Devices for changing pictures in viewing apparatus or projectors in which a picture is removed from a stock and returned to the same stock or another one; Magazines therefor
    • G03B23/04—Devices for changing pictures in viewing apparatus or projectors in which a picture is removed from a stock and returned to the same stock or another one; Magazines therefor with linear movement
    • G03B23/042—Devices for changing pictures in viewing apparatus or projectors in which a picture is removed from a stock and returned to the same stock or another one; Magazines therefor with linear movement whereby the picture is not returned to the same stock after projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR897098D 1943-04-07 1943-04-07 Automatic projection device Expired FR897098A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR897098T 1943-04-07

Publications (1)

Publication Number Publication Date
FR897098A true FR897098A (en) 1945-03-12

Family

ID=9391365

Family Applications (1)

Application Number Title Priority Date Filing Date
FR897098D Expired FR897098A (en) 1943-04-07 1943-04-07 Automatic projection device

Country Status (1)

Country Link
FR (1) FR897098A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200367A (en) * 1978-05-01 1980-04-29 Polaroid Corporation Projector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200367A (en) * 1978-05-01 1980-04-29 Polaroid Corporation Projector

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