FR1090243A - Advanced recording medium for phonographs - Google Patents

Advanced recording medium for phonographs

Info

Publication number
FR1090243A
FR1090243A FR1090243DA FR1090243A FR 1090243 A FR1090243 A FR 1090243A FR 1090243D A FR1090243D A FR 1090243DA FR 1090243 A FR1090243 A FR 1090243A
Authority
FR
France
Prior art keywords
phonographs
recording medium
advanced recording
advanced
medium
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
Robert Wagner
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 FR1090243A publication Critical patent/FR1090243A/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
    • G11B3/72—Groove formations, e.g. run-in groove, run-out groove
FR1090243D 1952-11-15 1953-11-10 Advanced recording medium for phonographs Expired FR1090243A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1090243XA 1952-11-15 1952-11-15

Publications (1)

Publication Number Publication Date
FR1090243A true FR1090243A (en) 1955-03-29

Family

ID=22325412

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1090243D Expired FR1090243A (en) 1952-11-15 1953-11-10 Advanced recording medium for phonographs

Country Status (1)

Country Link
FR (1) FR1090243A (en)

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