FR1121069A - Improvement in phonographic records - Google Patents

Improvement in phonographic records

Info

Publication number
FR1121069A
FR1121069A FR1121069DA FR1121069A FR 1121069 A FR1121069 A FR 1121069A FR 1121069D A FR1121069D A FR 1121069DA FR 1121069 A FR1121069 A FR 1121069A
Authority
FR
France
Prior art keywords
improvement
phonographic records
phonographic
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
French (fr)
Inventor
Claude-Francois-Hipp Mailland
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 filed Critical
Application granted granted Critical
Publication of FR1121069A publication Critical patent/FR1121069A/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
    • G11B3/68—Record carriers
    • G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers
FR1121069D 1955-02-02 1955-02-02 Improvement in phonographic records Expired FR1121069A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1121069T 1955-02-02

Publications (1)

Publication Number Publication Date
FR1121069A true FR1121069A (en) 1956-07-20

Family

ID=9631834

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1121069D Expired FR1121069A (en) 1955-02-02 1955-02-02 Improvement in phonographic records

Country Status (1)

Country Link
FR (1) FR1121069A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3132866A (en) * 1960-12-01 1964-05-12 Baerle Van Phonograph record

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3132866A (en) * 1960-12-01 1964-05-12 Baerle Van Phonograph record

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