FR816241A - Appareil photo-acoustique - Google Patents

Appareil photo-acoustique

Info

Publication number
FR816241A
FR816241A FR816241DA FR816241A FR 816241 A FR816241 A FR 816241A FR 816241D A FR816241D A FR 816241DA FR 816241 A FR816241 A FR 816241A
Authority
FR
France
Prior art keywords
acoustics
camera
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 FR816241A publication Critical patent/FR816241A/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
FR816241D 1936-02-29 1937-01-12 Appareil photo-acoustique Expired FR816241A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US816241XA 1936-02-29 1936-02-29

Publications (1)

Publication Number Publication Date
FR816241A true FR816241A (fr) 1937-08-03

Family

ID=22165315

Family Applications (1)

Application Number Title Priority Date Filing Date
FR816241D Expired FR816241A (fr) 1936-02-29 1937-01-12 Appareil photo-acoustique

Country Status (1)

Country Link
FR (1) FR816241A (fr)

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