FR701346A - Device for modulating the strength of light emissions, in particular for the use of sound film - Google Patents

Device for modulating the strength of light emissions, in particular for the use of sound film

Info

Publication number
FR701346A
FR701346A FR701346DA FR701346A FR 701346 A FR701346 A FR 701346A FR 701346D A FR701346D A FR 701346DA FR 701346 A FR701346 A FR 701346A
Authority
FR
France
Prior art keywords
modulating
strength
light emissions
sound film
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)
Inventor
Heinrich Konemann
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 filed Critical
Application granted granted Critical
Publication of FR701346A publication Critical patent/FR701346A/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
FR701346D 1930-08-06 1930-08-06 Device for modulating the strength of light emissions, in particular for the use of sound film Expired FR701346A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR701346T 1930-08-06

Publications (1)

Publication Number Publication Date
FR701346A true FR701346A (en) 1931-03-14

Family

ID=9053947

Family Applications (1)

Application Number Title Priority Date Filing Date
FR701346D Expired FR701346A (en) 1930-08-06 1930-08-06 Device for modulating the strength of light emissions, in particular for the use of sound film

Country Status (1)

Country Link
FR (1) FR701346A (en)

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