FR419349A - Perfectionnements apportés aux machines parlantes - Google Patents

Perfectionnements apportés aux machines parlantes

Info

Publication number
FR419349A
FR419349A FR419349DA FR419349A FR 419349 A FR419349 A FR 419349A FR 419349D A FR419349D A FR 419349DA FR 419349 A FR419349 A FR 419349A
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
English (en)
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.)
Parlophone Records Ltd
Original Assignee
Gramophone Co Ltd
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 Gramophone Co Ltd filed Critical Gramophone Co Ltd
Application granted granted Critical
Publication of FR419349A publication Critical patent/FR419349A/fr
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)
FR419349D 1909-08-14 1910-08-13 Perfectionnements apportés aux machines parlantes Expired FR419349A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US419349XA 1909-08-14 1909-08-14

Publications (1)

Publication Number Publication Date
FR419349A true FR419349A (fr) 1911-01-04

Family

ID=1462587

Family Applications (1)

Application Number Title Priority Date Filing Date
FR419349D Expired FR419349A (fr) 1909-08-14 1910-08-13 Perfectionnements apportés aux machines parlantes

Country Status (1)

Country Link
FR (1) FR419349A (fr)

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