FR792498A - Hydraulic amplifier for sound reproduction - Google Patents

Hydraulic amplifier for sound reproduction

Info

Publication number
FR792498A
FR792498A FR792498DA FR792498A FR 792498 A FR792498 A FR 792498A FR 792498D A FR792498D A FR 792498DA FR 792498 A FR792498 A FR 792498A
Authority
FR
France
Prior art keywords
sound reproduction
hydraulic amplifier
amplifier
hydraulic
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
Thurin Raymond Marius
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 FR792498A publication Critical patent/FR792498A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
FR792498D 1934-10-05 1934-10-05 Hydraulic amplifier for sound reproduction Expired FR792498A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR792498T 1934-10-05

Publications (1)

Publication Number Publication Date
FR792498A true FR792498A (en) 1935-12-31

Family

ID=9230434

Family Applications (1)

Application Number Title Priority Date Filing Date
FR792498D Expired FR792498A (en) 1934-10-05 1934-10-05 Hydraulic amplifier for sound reproduction

Country Status (1)

Country Link
FR (1) FR792498A (en)

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