FR822482A - Process for the photographic sound reproduction of mechanically recorded sound tracks - Google Patents

Process for the photographic sound reproduction of mechanically recorded sound tracks

Info

Publication number
FR822482A
FR822482A FR822482DA FR822482A FR 822482 A FR822482 A FR 822482A FR 822482D A FR822482D A FR 822482DA FR 822482 A FR822482 A FR 822482A
Authority
FR
France
Prior art keywords
photographic
sound
tracks
mechanically recorded
reproduction
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR822482A publication Critical patent/FR822482A/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
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/16—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by mechanical cutting, deforming or pressing
    • G11B11/18—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by mechanical cutting, deforming or pressing with reproducing by optical means
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
FR822482D 1936-06-13 1937-05-31 Process for the photographic sound reproduction of mechanically recorded sound tracks Expired FR822482A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE822482X 1936-06-13

Publications (1)

Publication Number Publication Date
FR822482A true FR822482A (en) 1937-12-30

Family

ID=6743324

Family Applications (1)

Application Number Title Priority Date Filing Date
FR822482D Expired FR822482A (en) 1936-06-13 1937-05-31 Process for the photographic sound reproduction of mechanically recorded sound tracks

Country Status (1)

Country Link
FR (1) FR822482A (en)

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