FR1178651A - Improvements made to projection devices for photographic images - Google Patents

Improvements made to projection devices for photographic images

Info

Publication number
FR1178651A
FR1178651A FR1178651DA FR1178651A FR 1178651 A FR1178651 A FR 1178651A FR 1178651D A FR1178651D A FR 1178651DA FR 1178651 A FR1178651 A FR 1178651A
Authority
FR
France
Prior art keywords
improvements made
photographic images
projection devices
projection
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
French (fr)
Inventor
Jean De Montremy
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 FR1178651A publication Critical patent/FR1178651A/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
    • G03B23/00Devices for changing pictures in viewing apparatus or projectors
    • G03B23/02Devices 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
    • G03B23/04Devices 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
    • G03B23/048Devices 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 with horizontally sliding mechanism

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1178651D 1957-07-04 1957-07-04 Improvements made to projection devices for photographic images Expired FR1178651A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1178651T 1957-07-04

Publications (1)

Publication Number Publication Date
FR1178651A true FR1178651A (en) 1959-05-13

Family

ID=9660816

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1178651D Expired FR1178651A (en) 1957-07-04 1957-07-04 Improvements made to projection devices for photographic images

Country Status (1)

Country Link
FR (1) FR1178651A (en)

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