FR671373A - Appareil automatique de projection lumineuse à double fonctionnement, continu et intermittent - Google Patents

Appareil automatique de projection lumineuse à double fonctionnement, continu et intermittent

Info

Publication number
FR671373A
FR671373A FR671373DA FR671373A FR 671373 A FR671373 A FR 671373A FR 671373D A FR671373D A FR 671373DA FR 671373 A FR671373 A FR 671373A
Authority
FR
France
Prior art keywords
intermittent
continuous
projection device
light projection
automatic light
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)
Inventor
Edmond-Gabriel Doucet
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 FR671373A publication Critical patent/FR671373A/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
    • 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
    • G03B23/06—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 rotary movement

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR671373D 1929-03-13 1929-03-13 Appareil automatique de projection lumineuse à double fonctionnement, continu et intermittent Expired FR671373A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR671373T 1929-03-13

Publications (1)

Publication Number Publication Date
FR671373A true FR671373A (fr) 1929-12-12

Family

ID=9016926

Family Applications (1)

Application Number Title Priority Date Filing Date
FR671373D Expired FR671373A (fr) 1929-03-13 1929-03-13 Appareil automatique de projection lumineuse à double fonctionnement, continu et intermittent

Country Status (1)

Country Link
FR (1) FR671373A (fr)

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