FR1149160A - Electromagnetic phonograph player with device for adjusting the pressure exerted on the disc - Google Patents

Electromagnetic phonograph player with device for adjusting the pressure exerted on the disc

Info

Publication number
FR1149160A
FR1149160A FR1149160DA FR1149160A FR 1149160 A FR1149160 A FR 1149160A FR 1149160D A FR1149160D A FR 1149160DA FR 1149160 A FR1149160 A FR 1149160A
Authority
FR
France
Prior art keywords
disc
adjusting
pressure exerted
phonograph player
electromagnetic
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.)
Plessey Co Ltd
Original Assignee
Plessey Co Ltd
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 Plessey Co Ltd filed Critical Plessey Co Ltd
Application granted granted Critical
Publication of FR1149160A publication Critical patent/FR1149160A/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
    • 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
    • G11B3/24—Supporting in balanced, counterbalanced or loaded operative position during transducing, e.g. loading in direction of traverse by elastic means, e.g. spring acting to decrease pressure on record
FR1149160D 1955-12-26 1955-12-26 Electromagnetic phonograph player with device for adjusting the pressure exerted on the disc Expired FR1149160A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1149160T 1955-12-26

Publications (1)

Publication Number Publication Date
FR1149160A true FR1149160A (en) 1957-12-20

Family

ID=9646660

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1149160D Expired FR1149160A (en) 1955-12-26 1955-12-26 Electromagnetic phonograph player with device for adjusting the pressure exerted on the disc

Country Status (1)

Country Link
FR (1) FR1149160A (en)

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