FR701985A - Device allowing the use of sound films on conventional projection devices - Google Patents

Device allowing the use of sound films on conventional projection devices

Info

Publication number
FR701985A
FR701985A FR701985DA FR701985A FR 701985 A FR701985 A FR 701985A FR 701985D A FR701985D A FR 701985DA FR 701985 A FR701985 A FR 701985A
Authority
FR
France
Prior art keywords
device allowing
projection devices
conventional projection
sound films
films
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
Fernand Vitus
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 FR701985A publication Critical patent/FR701985A/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
    • G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR701985D 1929-12-14 1929-12-14 Device allowing the use of sound films on conventional projection devices Expired FR701985A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR701985T 1929-12-14

Publications (1)

Publication Number Publication Date
FR701985A true FR701985A (en) 1931-03-26

Family

ID=9056420

Family Applications (1)

Application Number Title Priority Date Filing Date
FR701985D Expired FR701985A (en) 1929-12-14 1929-12-14 Device allowing the use of sound films on conventional projection devices

Country Status (1)

Country Link
FR (1) FR701985A (en)

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