FR780264A - Sound film drive device - Google Patents

Sound film drive device

Info

Publication number
FR780264A
FR780264A FR780264DA FR780264A FR 780264 A FR780264 A FR 780264A FR 780264D A FR780264D A FR 780264DA FR 780264 A FR780264 A FR 780264A
Authority
FR
France
Prior art keywords
drive device
sound film
film drive
sound
film
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
Daillan Robert
Daillan Marc
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 FR780264A publication Critical patent/FR780264A/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
    • G11B7/28—Re-recording, i.e. transcribing information from one optical record carrier on to one or more similar or dissimilar record carriers
FR780264D 1933-12-06 1933-12-06 Sound film drive device Expired FR780264A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR780264T 1933-12-06

Publications (1)

Publication Number Publication Date
FR780264A true FR780264A (en) 1935-04-23

Family

ID=9204012

Family Applications (1)

Application Number Title Priority Date Filing Date
FR780264D Expired FR780264A (en) 1933-12-06 1933-12-06 Sound film drive device

Country Status (1)

Country Link
FR (1) FR780264A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1159023B (en) * 1960-06-27 1963-12-12 Siemens Ag Magnetic recorder for perforated tape-shaped recording media

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1159023B (en) * 1960-06-27 1963-12-12 Siemens Ag Magnetic recorder for perforated tape-shaped recording media

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