FR598638A - Improvements to talking machines - Google Patents

Improvements to talking machines

Info

Publication number
FR598638A
FR598638A FR598638DA FR598638A FR 598638 A FR598638 A FR 598638A FR 598638D A FR598638D A FR 598638DA FR 598638 A FR598638 A FR 598638A
Authority
FR
France
Prior art keywords
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 FR598638A publication Critical patent/FR598638A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR598638D 1925-05-13 1925-05-13 Improvements to talking machines Expired FR598638A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR598638T 1925-05-13

Publications (1)

Publication Number Publication Date
FR598638A true FR598638A (en) 1925-12-21

Family

ID=8969046

Family Applications (1)

Application Number Title Priority Date Filing Date
FR598638D Expired FR598638A (en) 1925-05-13 1925-05-13 Improvements to talking machines

Country Status (1)

Country Link
FR (1) FR598638A (en)

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