FR835538A - Sound recording and reproducing devices - Google Patents

Sound recording and reproducing devices

Info

Publication number
FR835538A
FR835538A FR835538DA FR835538A FR 835538 A FR835538 A FR 835538A FR 835538D A FR835538D A FR 835538DA FR 835538 A FR835538 A FR 835538A
Authority
FR
France
Prior art keywords
sound recording
reproducing devices
reproducing
devices
sound
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
Jacob M Kuhlik
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 FR835538A publication Critical patent/FR835538A/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)
FR835538D 1938-03-21 1938-03-21 Sound recording and reproducing devices Expired FR835538A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR835538T 1938-03-21

Publications (1)

Publication Number Publication Date
FR835538A true FR835538A (en) 1938-12-23

Family

ID=9297690

Family Applications (1)

Application Number Title Priority Date Filing Date
FR835538D Expired FR835538A (en) 1938-03-21 1938-03-21 Sound recording and reproducing devices

Country Status (1)

Country Link
FR (1) FR835538A (en)

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