FR371608A - Appareil acoustique pour les sourds - Google Patents

Appareil acoustique pour les sourds

Info

Publication number
FR371608A
FR371608A FR371608DA FR371608A FR 371608 A FR371608 A FR 371608A FR 371608D A FR371608D A FR 371608DA FR 371608 A FR371608 A FR 371608A
Authority
FR
France
Prior art keywords
deaf
hearing aid
hearing
aid
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)
Inventor
Eugene William Schneider
Louis Gustave Laureau
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR371608A publication Critical patent/FR371608A/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
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/04—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception comprising pocket amplifiers

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR371608D 1905-12-08 1906-11-19 Appareil acoustique pour les sourds Expired FR371608A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US371608XA 1905-12-08 1905-12-08

Publications (1)

Publication Number Publication Date
FR371608A true FR371608A (fr) 1907-03-12

Family

ID=1418448

Family Applications (1)

Application Number Title Priority Date Filing Date
FR371608D Expired FR371608A (fr) 1905-12-08 1906-11-19 Appareil acoustique pour les sourds

Country Status (1)

Country Link
FR (1) FR371608A (fr)

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