FR795118A - Device for reproducing a photo-phonographic recording in which positive half waves and negative half waves are recorded in separate sound tracks - Google Patents

Device for reproducing a photo-phonographic recording in which positive half waves and negative half waves are recorded in separate sound tracks

Info

Publication number
FR795118A
FR795118A FR795118DA FR795118A FR 795118 A FR795118 A FR 795118A FR 795118D A FR795118D A FR 795118DA FR 795118 A FR795118 A FR 795118A
Authority
FR
France
Prior art keywords
half waves
reproducing
photo
recorded
sound tracks
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.)
Klangfilm GmbH
Original Assignee
Klangfilm GmbH
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 Klangfilm GmbH filed Critical Klangfilm GmbH
Application granted granted Critical
Publication of FR795118A publication Critical patent/FR795118A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
FR795118D 1934-09-21 1935-09-19 Device for reproducing a photo-phonographic recording in which positive half waves and negative half waves are recorded in separate sound tracks Expired FR795118A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE795118X 1934-09-21

Publications (1)

Publication Number Publication Date
FR795118A true FR795118A (en) 1936-03-04

Family

ID=6710661

Family Applications (1)

Application Number Title Priority Date Filing Date
FR795118D Expired FR795118A (en) 1934-09-21 1935-09-19 Device for reproducing a photo-phonographic recording in which positive half waves and negative half waves are recorded in separate sound tracks

Country Status (1)

Country Link
FR (1) FR795118A (en)

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