FR1520103A - Dispositif d'enregistrement photographique du son - Google Patents

Dispositif d'enregistrement photographique du son

Info

Publication number
FR1520103A
FR1520103A FR103606A FR103606A FR1520103A FR 1520103 A FR1520103 A FR 1520103A FR 103606 A FR103606 A FR 103606A FR 103606 A FR103606 A FR 103606A FR 1520103 A FR1520103 A FR 1520103A
Authority
FR
France
Prior art keywords
recording device
sound recording
photographic sound
photographic
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
FR103606A
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of FR1520103A publication Critical patent/FR1520103A/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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/02—Analogue recording or reproducing
    • G11B20/06—Angle-modulation recording or reproducing
FR103606A 1966-04-25 1967-04-21 Dispositif d'enregistrement photographique du son Expired FR1520103A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US54514166A 1966-04-25 1966-04-25

Publications (1)

Publication Number Publication Date
FR1520103A true FR1520103A (fr) 1968-04-05

Family

ID=24175030

Family Applications (1)

Application Number Title Priority Date Filing Date
FR103606A Expired FR1520103A (fr) 1966-04-25 1967-04-21 Dispositif d'enregistrement photographique du son

Country Status (2)

Country Link
FR (1) FR1520103A (fr)
GB (1) GB1120720A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3650217T2 (de) 1985-02-28 1995-09-28 Symbol Technologies Inc Tragbarer Abtastkopf mit Laserdiode.
US5486944A (en) * 1989-10-30 1996-01-23 Symbol Technologies, Inc. Scanner module for symbol scanning system

Also Published As

Publication number Publication date
GB1120720A (en) 1968-07-24

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