FR819694A - Methods and devices for mechanical recording and playback of sound oscillations - Google Patents

Methods and devices for mechanical recording and playback of sound oscillations

Info

Publication number
FR819694A
FR819694A FR819694DA FR819694A FR 819694 A FR819694 A FR 819694A FR 819694D A FR819694D A FR 819694DA FR 819694 A FR819694 A FR 819694A
Authority
FR
France
Prior art keywords
playback
methods
devices
mechanical recording
sound oscillations
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.)
Reterson Holding S A
Original Assignee
Reterson Holding S A
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 Reterson Holding S A filed Critical Reterson Holding S A
Application granted granted Critical
Publication of FR819694A publication Critical patent/FR819694A/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
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/70—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function the record carrier being an endless loop record carrier
FR819694D 1936-11-06 1937-03-24 Methods and devices for mechanical recording and playback of sound oscillations Expired FR819694A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US819694XA 1936-11-06 1936-11-06

Publications (1)

Publication Number Publication Date
FR819694A true FR819694A (en) 1937-10-23

Family

ID=22167546

Family Applications (1)

Application Number Title Priority Date Filing Date
FR819694D Expired FR819694A (en) 1936-11-06 1937-03-24 Methods and devices for mechanical recording and playback of sound oscillations

Country Status (1)

Country Link
FR (1) FR819694A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1136129B (en) * 1960-07-22 1962-09-06 Audio Mechanical Devices Inc Tape cassette for endless tapes, films, etc.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1136129B (en) * 1960-07-22 1962-09-06 Audio Mechanical Devices Inc Tape cassette for endless tapes, films, etc.

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