FR475109A - Appareil régénérateur de sons pour machines parlantes, telles que phonographes et analogues - Google Patents

Appareil régénérateur de sons pour machines parlantes, telles que phonographes et analogues

Info

Publication number
FR475109A
FR475109A FR475109DA FR475109A FR 475109 A FR475109 A FR 475109A FR 475109D A FR475109D A FR 475109DA FR 475109 A FR475109 A FR 475109A
Authority
FR
France
Prior art keywords
phonographs
regenerating apparatus
sound regenerating
speaking machines
speaking
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)
Inventor
William Hammatt Davis
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 FR475109A publication Critical patent/FR475109A/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
FR475109D 1913-07-14 1914-07-13 Appareil régénérateur de sons pour machines parlantes, telles que phonographes et analogues Expired FR475109A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US475109XA 1913-07-14 1913-07-14

Publications (1)

Publication Number Publication Date
FR475109A true FR475109A (fr) 1915-04-16

Family

ID=1513031

Family Applications (1)

Application Number Title Priority Date Filing Date
FR475109D Expired FR475109A (fr) 1913-07-14 1914-07-13 Appareil régénérateur de sons pour machines parlantes, telles que phonographes et analogues

Country Status (1)

Country Link
FR (1) FR475109A (fr)

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