FR697800A - Lighting system for recording and photographic reproduction of sounds - Google Patents

Lighting system for recording and photographic reproduction of sounds

Info

Publication number
FR697800A
FR697800A FR697800DA FR697800A FR 697800 A FR697800 A FR 697800A FR 697800D A FR697800D A FR 697800DA FR 697800 A FR697800 A FR 697800A
Authority
FR
France
Prior art keywords
sounds
recording
lighting system
photographic reproduction
photographic
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.)
NAKKEN PATENTS CORP
Original Assignee
NAKKEN PATENTS CORP
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 NAKKEN PATENTS CORP filed Critical NAKKEN PATENTS CORP
Application granted granted Critical
Publication of FR697800A publication Critical patent/FR697800A/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
FR697800D 1930-06-23 1930-06-23 Lighting system for recording and photographic reproduction of sounds Expired FR697800A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR697800T 1930-06-23

Publications (1)

Publication Number Publication Date
FR697800A true FR697800A (en) 1931-01-22

Family

ID=9047321

Family Applications (1)

Application Number Title Priority Date Filing Date
FR697800D Expired FR697800A (en) 1930-06-23 1930-06-23 Lighting system for recording and photographic reproduction of sounds

Country Status (1)

Country Link
FR (1) FR697800A (en)

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