FR1091271A - Perfectionnement aux disques de phonographe - Google Patents

Perfectionnement aux disques de phonographe

Info

Publication number
FR1091271A
FR1091271A FR1091271DA FR1091271A FR 1091271 A FR1091271 A FR 1091271A FR 1091271D A FR1091271D A FR 1091271DA FR 1091271 A FR1091271 A FR 1091271A
Authority
FR
France
Prior art keywords
improvement
phonograph records
phonograph
records
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries 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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Application granted granted Critical
Publication of FR1091271A publication Critical patent/FR1091271A/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
    • G11B3/68—Record carriers
    • G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers
FR1091271D 1953-01-14 1954-01-09 Perfectionnement aux disques de phonographe Expired FR1091271A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1091271X 1953-01-14

Publications (1)

Publication Number Publication Date
FR1091271A true FR1091271A (fr) 1955-04-08

Family

ID=10873389

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1091271D Expired FR1091271A (fr) 1953-01-14 1954-01-09 Perfectionnement aux disques de phonographe

Country Status (1)

Country Link
FR (1) FR1091271A (fr)

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