FR687854A - electric electro-diaphragm (pick-up) of the sounds of phonograph records - Google Patents

electric electro-diaphragm (pick-up) of the sounds of phonograph records

Info

Publication number
FR687854A
FR687854A FR687854DA FR687854A FR 687854 A FR687854 A FR 687854A FR 687854D A FR687854D A FR 687854DA FR 687854 A FR687854 A FR 687854A
Authority
FR
France
Prior art keywords
sounds
pick
diaphragm
phonograph records
electric electro
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)
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.)
IDEAL WERKE AG fur DRAHTLOSE T
Original Assignee
IDEAL WERKE AG fur DRAHTLOSE T
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 IDEAL WERKE AG fur DRAHTLOSE T filed Critical IDEAL WERKE AG fur DRAHTLOSE T
Application granted granted Critical
Publication of FR687854A publication Critical patent/FR687854A/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
FR687854D 1929-10-29 1930-01-08 electric electro-diaphragm (pick-up) of the sounds of phonograph records Expired FR687854A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE687854X 1929-10-29

Publications (1)

Publication Number Publication Date
FR687854A true FR687854A (en) 1930-08-14

Family

ID=6598352

Family Applications (1)

Application Number Title Priority Date Filing Date
FR687854D Expired FR687854A (en) 1929-10-29 1930-01-08 electric electro-diaphragm (pick-up) of the sounds of phonograph records

Country Status (1)

Country Link
FR (1) FR687854A (en)

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