FR415158A - Perfectionnements apportés aux machines parlantes - Google Patents

Perfectionnements apportés aux machines parlantes

Info

Publication number
FR415158A
FR415158A FR415158DA FR415158A FR 415158 A FR415158 A FR 415158A FR 415158D A FR415158D A FR 415158DA FR 415158 A FR415158 A FR 415158A
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.)
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 FR415158A publication Critical patent/FR415158A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR415158D 1909-04-26 1910-04-23 Perfectionnements apportés aux machines parlantes Expired FR415158A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US415158XA 1909-04-26 1909-04-26

Publications (1)

Publication Number Publication Date
FR415158A true FR415158A (fr) 1910-09-20

Family

ID=1458781

Family Applications (1)

Application Number Title Priority Date Filing Date
FR415158D Expired FR415158A (fr) 1909-04-26 1910-04-23 Perfectionnements apportés aux machines parlantes

Country Status (1)

Country Link
FR (1) FR415158A (fr)

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