FR830945A - Apparatus for reproducing sound films - Google Patents

Apparatus for reproducing sound films

Info

Publication number
FR830945A
FR830945A FR830945DA FR830945A FR 830945 A FR830945 A FR 830945A FR 830945D A FR830945D A FR 830945DA FR 830945 A FR830945 A FR 830945A
Authority
FR
France
Prior art keywords
reproducing sound
sound films
films
reproducing
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
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 by Electrical Research Products Inc filed Critical Electrical Research Products Inc
Application granted granted Critical
Publication of FR830945A publication Critical patent/FR830945A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
FR830945D 1937-01-11 1937-12-18 Apparatus for reproducing sound films Expired FR830945A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB830945X 1937-01-11

Publications (1)

Publication Number Publication Date
FR830945A true FR830945A (en) 1938-08-12

Family

ID=10540763

Family Applications (1)

Application Number Title Priority Date Filing Date
FR830945D Expired FR830945A (en) 1937-01-11 1937-12-18 Apparatus for reproducing sound films

Country Status (1)

Country Link
FR (1) FR830945A (en)

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