FR506353A - Phonograph diaphragm - Google Patents

Phonograph diaphragm

Info

Publication number
FR506353A
FR506353A FR506353A FR506353DA FR506353A FR 506353 A FR506353 A FR 506353A FR 506353 A FR506353 A FR 506353A FR 506353D A FR506353D A FR 506353DA FR 506353 A FR506353 A FR 506353A
Authority
FR
France
Prior art keywords
phonograph
diaphragm
phonograph diaphragm
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
FR506353A
Other languages
French (fr)
Inventor
Horace Hurm
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 FR506353A publication Critical patent/FR506353A/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
FR506353A 1919-09-15 1919-09-15 Phonograph diaphragm Expired FR506353A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR506353T 1919-09-15

Publications (1)

Publication Number Publication Date
FR506353A true FR506353A (en) 1920-08-20

Family

ID=8909100

Family Applications (1)

Application Number Title Priority Date Filing Date
FR506353A Expired FR506353A (en) 1919-09-15 1919-09-15 Phonograph diaphragm

Country Status (2)

Country Link
FR (1) FR506353A (en)
GB (1) GB151242A (en)

Also Published As

Publication number Publication date
GB151242A (en) 1921-10-17

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