FR785647A - Appareil enregistreur de sons - Google Patents

Appareil enregistreur de sons

Info

Publication number
FR785647A
FR785647A FR785647DA FR785647A FR 785647 A FR785647 A FR 785647A FR 785647D A FR785647D A FR 785647DA FR 785647 A FR785647 A FR 785647A
Authority
FR
France
Prior art keywords
recording device
sound recording
sound
recording
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)
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR785647A publication Critical patent/FR785647A/fr
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
FR785647D 1934-02-28 1935-02-14 Appareil enregistreur de sons Expired FR785647A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US785647XA 1934-02-28 1934-02-28

Publications (1)

Publication Number Publication Date
FR785647A true FR785647A (fr) 1935-08-14

Family

ID=22144841

Family Applications (1)

Application Number Title Priority Date Filing Date
FR785647D Expired FR785647A (fr) 1934-02-28 1935-02-14 Appareil enregistreur de sons

Country Status (1)

Country Link
FR (1) FR785647A (fr)

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