FR942645A - Method for magnetic recording of sound on tapes, ribbons, threads, etc., and recording and reproduction head using this method - Google Patents

Method for magnetic recording of sound on tapes, ribbons, threads, etc., and recording and reproduction head using this method

Info

Publication number
FR942645A
FR942645A FR942645DA FR942645A FR 942645 A FR942645 A FR 942645A FR 942645D A FR942645D A FR 942645DA FR 942645 A FR942645 A FR 942645A
Authority
FR
France
Prior art keywords
recording
ribbons
tapes
threads
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
Other languages
French (fr)
Inventor
Henry Perreau
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 FR942645A publication Critical patent/FR942645A/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
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
FR942645D 1947-03-04 1947-03-04 Method for magnetic recording of sound on tapes, ribbons, threads, etc., and recording and reproduction head using this method Expired FR942645A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR942645T 1947-03-04

Publications (1)

Publication Number Publication Date
FR942645A true FR942645A (en) 1949-02-14

Family

ID=9470984

Family Applications (1)

Application Number Title Priority Date Filing Date
FR942645D Expired FR942645A (en) 1947-03-04 1947-03-04 Method for magnetic recording of sound on tapes, ribbons, threads, etc., and recording and reproduction head using this method

Country Status (1)

Country Link
FR (1) FR942645A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2617890A (en) * 1950-11-09 1952-11-11 Ampro Corp Erasing magnet assembly for magnetic recording and reproducing instruments
DE941694C (en) * 1949-04-02 1956-04-19 Telefunken Gmbh Drive for recording media

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE941694C (en) * 1949-04-02 1956-04-19 Telefunken Gmbh Drive for recording media
US2617890A (en) * 1950-11-09 1952-11-11 Ampro Corp Erasing magnet assembly for magnetic recording and reproducing instruments

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