FR579072A - Improvements to reproductive diaphragms for talking machines - Google Patents

Improvements to reproductive diaphragms for talking machines

Info

Publication number
FR579072A
FR579072A FR579072DA FR579072A FR 579072 A FR579072 A FR 579072A FR 579072D A FR579072D A FR 579072DA FR 579072 A FR579072 A FR 579072A
Authority
FR
France
Prior art keywords
diaphragms
reproductive
talking machines
talking
machines
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
Richard Brenchley
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 FR579072A publication Critical patent/FR579072A/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
    • G11B3/02—Arrangements of heads
FR579072D 1924-03-21 1924-03-21 Improvements to reproductive diaphragms for talking machines Expired FR579072A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR579072T 1924-03-21

Publications (1)

Publication Number Publication Date
FR579072A true FR579072A (en) 1924-10-09

Family

ID=8955844

Family Applications (1)

Application Number Title Priority Date Filing Date
FR579072D Expired FR579072A (en) 1924-03-21 1924-03-21 Improvements to reproductive diaphragms for talking machines

Country Status (1)

Country Link
FR (1) FR579072A (en)

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