FR661297A - Improvements to sound reproducers - Google Patents

Improvements to sound reproducers

Info

Publication number
FR661297A
FR661297A FR661297DA FR661297A FR 661297 A FR661297 A FR 661297A FR 661297D A FR661297D A FR 661297DA FR 661297 A FR661297 A FR 661297A
Authority
FR
France
Prior art keywords
sound reproducers
reproducers
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CIE GENERALE DES MACHINES PARL
Original Assignee
CIE GENERALE DES MACHINES PARL
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 by CIE GENERALE DES MACHINES PARL filed Critical CIE GENERALE DES MACHINES PARL
Application granted granted Critical
Publication of FR661297A publication Critical patent/FR661297A/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
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/02—Arrangements of heads
FR661297D 1928-09-29 1928-09-29 Improvements to sound reproducers Expired FR661297A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR661297T 1928-09-29

Publications (1)

Publication Number Publication Date
FR661297A true FR661297A (en) 1929-07-23

Family

ID=9010814

Family Applications (1)

Application Number Title Priority Date Filing Date
FR661297D Expired FR661297A (en) 1928-09-29 1928-09-29 Improvements to sound reproducers

Country Status (1)

Country Link
FR (1) FR661297A (en)

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