FR967339A - Phonographic and phonograph disc for the recording and reproduction of sound by magnetic means - Google Patents

Phonographic and phonograph disc for the recording and reproduction of sound by magnetic means

Info

Publication number
FR967339A
FR967339A FR967339DA FR967339A FR 967339 A FR967339 A FR 967339A FR 967339D A FR967339D A FR 967339DA FR 967339 A FR967339 A FR 967339A
Authority
FR
France
Prior art keywords
phonographic
reproduction
sound
recording
magnetic means
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
Andre-Marie-Bernard Charlin
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 FR967339A publication Critical patent/FR967339A/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
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/04—Automatic feed mechanism producing a progressive transducing traverse of the head in a direction which cuts across the direction of travel of the recording medium, e.g. helical scan, e.g. by lead-screw
FR967339D 1948-06-01 1948-06-01 Phonographic and phonograph disc for the recording and reproduction of sound by magnetic means Expired FR967339A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR967339T 1948-06-01

Publications (1)

Publication Number Publication Date
FR967339A true FR967339A (en) 1950-10-31

Family

ID=9500585

Family Applications (1)

Application Number Title Priority Date Filing Date
FR967339D Expired FR967339A (en) 1948-06-01 1948-06-01 Phonographic and phonograph disc for the recording and reproduction of sound by magnetic means

Country Status (1)

Country Link
FR (1) FR967339A (en)

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