FR947942A - Improvements to phonographs - Google Patents

Improvements to phonographs

Info

Publication number
FR947942A
FR947942A FR947942DA FR947942A FR 947942 A FR947942 A FR 947942A FR 947942D A FR947942D A FR 947942DA FR 947942 A FR947942 A FR 947942A
Authority
FR
France
Prior art keywords
phonographs
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.)
SoundScriber Corp
Original Assignee
SoundScriber Corp
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 SoundScriber Corp filed Critical SoundScriber Corp
Application granted granted Critical
Publication of FR947942A publication Critical patent/FR947942A/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
FR947942D 1941-12-24 1947-06-16 Improvements to phonographs Expired FR947942A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US947942XA 1941-12-24 1941-12-24

Publications (1)

Publication Number Publication Date
FR947942A true FR947942A (en) 1949-07-18

Family

ID=22247208

Family Applications (1)

Application Number Title Priority Date Filing Date
FR947942D Expired FR947942A (en) 1941-12-24 1947-06-16 Improvements to phonographs

Country Status (1)

Country Link
FR (1) FR947942A (en)

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