FR1142710A - Device to facilitate the use of projection lanterns - Google Patents

Device to facilitate the use of projection lanterns

Info

Publication number
FR1142710A
FR1142710A FR1142710DA FR1142710A FR 1142710 A FR1142710 A FR 1142710A FR 1142710D A FR1142710D A FR 1142710DA FR 1142710 A FR1142710 A FR 1142710A
Authority
FR
France
Prior art keywords
facilitate
lanterns
projection
projection lanterns
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
Roger Flipo
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 FR1142710A publication Critical patent/FR1142710A/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)
FR1142710D 1956-02-16 1956-02-16 Device to facilitate the use of projection lanterns Expired FR1142710A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1142710T 1956-02-16

Publications (1)

Publication Number Publication Date
FR1142710A true FR1142710A (en) 1957-09-20

Family

ID=9643473

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1142710D Expired FR1142710A (en) 1956-02-16 1956-02-16 Device to facilitate the use of projection lanterns

Country Status (1)

Country Link
FR (1) FR1142710A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3790268A (en) * 1971-01-22 1974-02-05 Eastman Kodak Co Slide changing device for slide projectors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3790268A (en) * 1971-01-22 1974-02-05 Eastman Kodak Co Slide changing device for slide projectors

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