FR950134A - Acoustic device - Google Patents

Acoustic device

Info

Publication number
FR950134A
FR950134A FR950134DA FR950134A FR 950134 A FR950134 A FR 950134A FR 950134D A FR950134D A FR 950134DA FR 950134 A FR950134 A FR 950134A
Authority
FR
France
Prior art keywords
acoustic device
acoustic
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)
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.)
Beltone Hearing Aid Co
Original Assignee
Beltone Hearing Aid Co
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 Beltone Hearing Aid Co filed Critical Beltone Hearing Aid Co
Application granted granted Critical
Publication of FR950134A publication Critical patent/FR950134A/en
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)
  • Battery Mounting, Suspending (AREA)
FR950134D 1946-07-25 1947-07-25 Acoustic device Expired FR950134A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US686178A US2495476A (en) 1946-07-25 1946-07-25 Wearable electronic hearing aid having a unitary casing for the batteries and the amplifier

Publications (1)

Publication Number Publication Date
FR950134A true FR950134A (en) 1949-09-19

Family

ID=24755238

Family Applications (1)

Application Number Title Priority Date Filing Date
FR950134D Expired FR950134A (en) 1946-07-25 1947-07-25 Acoustic device

Country Status (3)

Country Link
US (1) US2495476A (en)
BE (1) BE474741A (en)
FR (1) FR950134A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2761018A (en) * 1949-03-02 1956-08-28 Paravox Inc Hearing aid having a molded chassis
US2589071A (en) * 1950-03-18 1952-03-11 Western Electric Co Battery holder
US2696527A (en) * 1950-04-21 1954-12-07 Maico Company Inc Hearing aid construction
US2886623A (en) * 1954-03-24 1959-05-12 Dictograph Products Co Inc Battery assembly for hearing aids
DE19829637C2 (en) * 1998-07-02 2000-10-19 Implex Hear Tech Ag Medical implant
WO2008128300A1 (en) * 2007-04-23 2008-10-30 Cochlear Limited Implant assembly

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US675390A (en) * 1900-12-08 1901-06-04 R M Keating Motor Company Battery-casing for motor-bicycles.
US1647141A (en) * 1926-12-10 1927-11-01 Meyer William Battery case
US2109189A (en) * 1937-04-26 1938-02-22 Bly Merwyn Electrical testing and detecting apparatus
US2176671A (en) * 1938-11-09 1939-10-17 Aurex Corp A and b battery combination
US2308270A (en) * 1940-04-19 1943-01-12 Aurex Corp "a" and "b" battery unit
US2300617A (en) * 1941-01-27 1942-11-03 Daniel J Crowley Radio receiving set
US2333028A (en) * 1941-05-16 1943-10-26 Mears Radio Hearing Device Cor Battery pack
US2409481A (en) * 1941-06-26 1946-10-15 Thomas B Fordham Combined hearing aid and radio receiving set
US2424422A (en) * 1943-06-12 1947-07-22 Paraphone Hearing Aid Inc Hearing aid apparatus

Also Published As

Publication number Publication date
BE474741A (en)
US2495476A (en) 1950-01-24

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