FR733092A - Improvements in sound recording and reproduction devices - Google Patents

Improvements in sound recording and reproduction devices

Info

Publication number
FR733092A
FR733092A FR733092DA FR733092A FR 733092 A FR733092 A FR 733092A FR 733092D A FR733092D A FR 733092DA FR 733092 A FR733092 A FR 733092A
Authority
FR
France
Prior art keywords
sound recording
reproduction devices
reproduction
devices
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR733092A publication Critical patent/FR733092A/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
    • G11B3/02Arrangements of heads
    • G11B3/10Arranging, supporting, or driving of heads or of transducers relatively to record carriers
    • G11B3/12Supporting in balanced, counterbalanced or loaded operative position during transducing, e.g. loading in direction of traverse
    • G11B3/14Supporting in balanced, counterbalanced or loaded operative position during transducing, e.g. loading in direction of traverse by using effects of gravity or inertia, e.g. counterweight
FR733092D 1931-03-12 1932-01-30 Improvements in sound recording and reproduction devices Expired FR733092A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US733092XA 1931-03-12 1931-03-12

Publications (1)

Publication Number Publication Date
FR733092A true FR733092A (en) 1932-09-30

Family

ID=22112976

Family Applications (1)

Application Number Title Priority Date Filing Date
FR733092D Expired FR733092A (en) 1931-03-12 1932-01-30 Improvements in sound recording and reproduction devices

Country Status (1)

Country Link
FR (1) FR733092A (en)

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