FR943358A - Perfectionnements aux phonographes - Google Patents

Perfectionnements aux phonographes

Info

Publication number
FR943358A
FR943358A FR943358DA FR943358A FR 943358 A FR943358 A FR 943358A FR 943358D A FR943358D A FR 943358DA FR 943358 A FR943358 A FR 943358A
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
English (en)
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 FR943358A publication Critical patent/FR943358A/fr
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
    • G11B3/10—Arranging, supporting, or driving of heads or of transducers relatively to record carriers
    • G11B3/12—Supporting in balanced, counterbalanced or loaded operative position during transducing, e.g. loading in direction of traverse
    • G11B3/20—Supporting in balanced, counterbalanced or loaded operative position during transducing, e.g. loading in direction of traverse by elastic means, e.g. spring
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
FR943358D 1943-06-25 1947-03-17 Perfectionnements aux phonographes Expired FR943358A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US943358XA 1943-06-25 1943-06-25

Publications (1)

Publication Number Publication Date
FR943358A true FR943358A (fr) 1949-03-07

Family

ID=22244565

Family Applications (1)

Application Number Title Priority Date Filing Date
FR943358D Expired FR943358A (fr) 1943-06-25 1947-03-17 Perfectionnements aux phonographes

Country Status (1)

Country Link
FR (1) FR943358A (fr)

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