FR931302A - Perfectionnements aux gramophones - Google Patents

Perfectionnements aux gramophones

Info

Publication number
FR931302A
FR931302A FR931302DA FR931302A FR 931302 A FR931302 A FR 931302A FR 931302D A FR931302D A FR 931302DA FR 931302 A FR931302 A FR 931302A
Authority
FR
France
Prior art keywords
gramophone
refinements
gramophone refinements
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR931302A publication Critical patent/FR931302A/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
    • G11B3/44—Styli, e.g. sapphire, diamond
    • G11B3/46—Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank
FR931302D 1944-12-13 1946-07-25 Perfectionnements aux gramophones Expired FR931302A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB931302X 1944-12-13

Publications (1)

Publication Number Publication Date
FR931302A true FR931302A (fr) 1948-02-19

Family

ID=10737699

Family Applications (1)

Application Number Title Priority Date Filing Date
FR931302D Expired FR931302A (fr) 1944-12-13 1946-07-25 Perfectionnements aux gramophones

Country Status (1)

Country Link
FR (1) FR931302A (fr)

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