FR749658A - Method and device for regulating the blackening of the sound impression and of the image to be projected in sound film recordings - Google Patents

Method and device for regulating the blackening of the sound impression and of the image to be projected in sound film recordings

Info

Publication number
FR749658A
FR749658A FR749658DA FR749658A FR 749658 A FR749658 A FR 749658A FR 749658D A FR749658D A FR 749658DA FR 749658 A FR749658 A FR 749658A
Authority
FR
France
Prior art keywords
sound
blackening
projected
regulating
image
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 FR749658A publication Critical patent/FR749658A/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
FR749658D 1932-01-28 1933-01-28 Method and device for regulating the blackening of the sound impression and of the image to be projected in sound film recordings Expired FR749658A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT749658X 1932-01-28

Publications (1)

Publication Number Publication Date
FR749658A true FR749658A (en) 1933-07-27

Family

ID=3680343

Family Applications (1)

Application Number Title Priority Date Filing Date
FR749658D Expired FR749658A (en) 1932-01-28 1933-01-28 Method and device for regulating the blackening of the sound impression and of the image to be projected in sound film recordings

Country Status (1)

Country Link
FR (1) FR749658A (en)

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