FR12615E - Advanced reproducing diaphragm system for sapphire and needle discs for phonographs and gramophones - Google Patents

Advanced reproducing diaphragm system for sapphire and needle discs for phonographs and gramophones

Info

Publication number
FR12615E
FR12615E FR12615DA FR12615E FR 12615 E FR12615 E FR 12615E FR 12615D A FR12615D A FR 12615DA FR 12615 E FR12615 E FR 12615E
Authority
FR
France
Prior art keywords
gramophones
phonographs
sapphire
advanced
diaphragm system
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
Charles Cahit
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR12615E publication Critical patent/FR12615E/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
    • G11B3/44—Styli, e.g. sapphire, diamond
    • G11B3/46—Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank
FR12615D 1908-12-22 1910-05-14 Advanced reproducing diaphragm system for sapphire and needle discs for phonographs and gramophones Expired FR12615E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR397808T 1908-12-22
FR12615T 1910-05-14

Publications (1)

Publication Number Publication Date
FR12615E true FR12615E (en) 1910-10-20

Family

ID=1354786

Family Applications (1)

Application Number Title Priority Date Filing Date
FR12615D Expired FR12615E (en) 1908-12-22 1910-05-14 Advanced reproducing diaphragm system for sapphire and needle discs for phonographs and gramophones

Country Status (1)

Country Link
FR (1) FR12615E (en)

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