FR929570A - Sound recording and reproduction device - Google Patents

Sound recording and reproduction device

Info

Publication number
FR929570A
FR929570A FR929570DA FR929570A FR 929570 A FR929570 A FR 929570A FR 929570D A FR929570D A FR 929570DA FR 929570 A FR929570 A FR 929570A
Authority
FR
France
Prior art keywords
reproduction device
sound recording
sound
recording
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)
Inventor
Etienne-Marcel Prot
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 FR929570A publication Critical patent/FR929570A/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
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/11—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
    • G11B27/13—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier the information being derived from movement of the record carrier, e.g. using tachometer
FR929570D 1946-06-21 1946-06-21 Sound recording and reproduction device Expired FR929570A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR929570T 1946-06-21

Publications (1)

Publication Number Publication Date
FR929570A true FR929570A (en) 1947-12-31

Family

ID=9442548

Family Applications (1)

Application Number Title Priority Date Filing Date
FR929570D Expired FR929570A (en) 1946-06-21 1946-06-21 Sound recording and reproduction device

Country Status (1)

Country Link
FR (1) FR929570A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE932330C (en) * 1949-07-19 1955-08-29 Acec Magnetic recording and reproducing apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE932330C (en) * 1949-07-19 1955-08-29 Acec Magnetic recording and reproducing apparatus

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