FR681656A - Perfectionnements aux appareils pour films parlants - Google Patents

Perfectionnements aux appareils pour films parlants

Info

Publication number
FR681656A
FR681656A FR681656DA FR681656A FR 681656 A FR681656 A FR 681656A FR 681656D A FR681656D A FR 681656DA FR 681656 A FR681656 A FR 681656A
Authority
FR
France
Prior art keywords
film devices
talking
talking film
devices
film
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
Francis-Alexander Thomassin
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 FR681656A publication Critical patent/FR681656A/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)
FR681656D 1929-09-11 1929-09-11 Perfectionnements aux appareils pour films parlants Expired FR681656A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR681656T 1929-09-11

Publications (1)

Publication Number Publication Date
FR681656A true FR681656A (fr) 1930-05-17

Family

ID=9022932

Family Applications (1)

Application Number Title Priority Date Filing Date
FR681656D Expired FR681656A (fr) 1929-09-11 1929-09-11 Perfectionnements aux appareils pour films parlants

Country Status (1)

Country Link
FR (1) FR681656A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE744484C (de) * 1932-06-02 1944-01-17 Klangfilm G M B H Verfahren zum pausenlosen Vorfuehren von Tonfilmen
US2530417A (en) * 1946-07-31 1950-11-21 Carey M Young Dissolving device for multiple projectors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE744484C (de) * 1932-06-02 1944-01-17 Klangfilm G M B H Verfahren zum pausenlosen Vorfuehren von Tonfilmen
US2530417A (en) * 1946-07-31 1950-11-21 Carey M Young Dissolving device for multiple projectors

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