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FR394918A - Perfectionnements aux pavillons amplificateurs pour machines parlantes - Google Patents

Perfectionnements aux pavillons amplificateurs pour machines parlantes

Info

Publication number
FR394918A
FR394918A FR394918DA FR394918A FR 394918 A FR394918 A FR 394918A FR 394918D A FR394918D A FR 394918DA FR 394918 A FR394918 A FR 394918A
Authority
FR
France
Prior art keywords
horns
amplifier
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.)
CIE FRANCAISE DU GRAMOPHONE
Original Assignee
CIE FRANCAISE DU GRAMOPHONE
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 CIE FRANCAISE DU GRAMOPHONE filed Critical CIE FRANCAISE DU GRAMOPHONE
Application granted granted Critical
Publication of FR394918A publication Critical patent/FR394918A/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)
FR394918D 1908-10-05 1908-10-05 Perfectionnements aux pavillons amplificateurs pour machines parlantes Expired FR394918A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR394918T 1908-10-05

Publications (1)

Publication Number Publication Date
FR394918A true FR394918A (fr) 1909-02-05

Family

ID=1440126

Family Applications (1)

Application Number Title Priority Date Filing Date
FR394918D Expired FR394918A (fr) 1908-10-05 1908-10-05 Perfectionnements aux pavillons amplificateurs pour machines parlantes

Country Status (1)

Country Link
FR (1) FR394918A (fr)

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