FR681023A - Diaphragme phonographique - Google Patents

Diaphragme phonographique

Info

Publication number
FR681023A
FR681023A FR681023DA FR681023A FR 681023 A FR681023 A FR 681023A FR 681023D A FR681023D A FR 681023DA FR 681023 A FR681023 A FR 681023A
Authority
FR
France
Prior art keywords
phonographic
diaphragm
phonographic 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
Other languages
English (en)
Inventor
Sigmund Katscher
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 filed Critical
Application granted granted Critical
Publication of FR681023A publication Critical patent/FR681023A/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
    • G11B3/02—Arrangements of heads
    • G11B3/08—Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against record carriers
FR681023D 1929-08-30 1929-08-30 Diaphragme phonographique Expired FR681023A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR681023T 1929-08-30

Publications (1)

Publication Number Publication Date
FR681023A true FR681023A (fr) 1930-05-08

Family

ID=9022592

Family Applications (1)

Application Number Title Priority Date Filing Date
FR681023D Expired FR681023A (fr) 1929-08-30 1929-08-30 Diaphragme phonographique

Country Status (1)

Country Link
FR (1) FR681023A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2522384A (en) * 1948-04-15 1950-09-12 Lapir Joseph Stylus guide device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2522384A (en) * 1948-04-15 1950-09-12 Lapir Joseph Stylus guide device

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