FR976977A - Appareil de projection - Google Patents

Appareil de projection

Info

Publication number
FR976977A
FR976977A FR976977DA FR976977A FR 976977 A FR976977 A FR 976977A FR 976977D A FR976977D A FR 976977DA FR 976977 A FR976977 A FR 976977A
Authority
FR
France
Prior art keywords
projection device
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
English (en)
Inventor
Maurice-Andre-Louis Rocher
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 FR976977A publication Critical patent/FR976977A/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
    • G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR976977D 1942-05-27 1942-05-27 Appareil de projection Expired FR976977A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR976977T 1942-05-27

Publications (1)

Publication Number Publication Date
FR976977A true FR976977A (fr) 1951-03-27

Family

ID=9519281

Family Applications (1)

Application Number Title Priority Date Filing Date
FR976977D Expired FR976977A (fr) 1942-05-27 1942-05-27 Appareil de projection

Country Status (1)

Country Link
FR (1) FR976977A (fr)

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