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FR58036E - Improvements to sound recordings - Google Patents

Improvements to sound recordings

Info

Publication number
FR58036E
FR58036E FR58036DA FR58036E FR 58036 E FR58036 E FR 58036E FR 58036D A FR58036D A FR 58036DA FR 58036 E FR58036 E FR 58036E
Authority
FR
France
Prior art keywords
sound recordings
recordings
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
Georges Brule
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 FR58036E publication Critical patent/FR58036E/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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR58036D 1948-02-20 1948-02-20 Improvements to sound recordings Expired FR58036E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR58036T 1948-02-20

Publications (1)

Publication Number Publication Date
FR58036E true FR58036E (en) 1953-09-21

Family

ID=8691993

Family Applications (1)

Application Number Title Priority Date Filing Date
FR58036D Expired FR58036E (en) 1948-02-20 1948-02-20 Improvements to sound recordings

Country Status (1)

Country Link
FR (1) FR58036E (en)

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