FR928161A - Improvements to phonographic recordings - Google Patents

Improvements to phonographic recordings

Info

Publication number
FR928161A
FR928161A FR928161DA FR928161A FR 928161 A FR928161 A FR 928161A FR 928161D A FR928161D A FR 928161DA FR 928161 A FR928161 A FR 928161A
Authority
FR
France
Prior art keywords
phonographic
recordings
phonographic recordings
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
Louis Lauvernier
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 FR928161A publication Critical patent/FR928161A/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
FR928161D 1946-05-13 1946-05-13 Improvements to phonographic recordings Expired FR928161A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR928161T 1946-05-13

Publications (1)

Publication Number Publication Date
FR928161A true FR928161A (en) 1947-11-20

Family

ID=9441556

Family Applications (1)

Application Number Title Priority Date Filing Date
FR928161D Expired FR928161A (en) 1946-05-13 1946-05-13 Improvements to phonographic recordings

Country Status (1)

Country Link
FR (1) FR928161A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3039218A (en) * 1961-01-13 1962-06-19 James A Whiting Phonograph record

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3039218A (en) * 1961-01-13 1962-06-19 James A Whiting Phonograph record

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