CH358473A - Hearing aid - Google Patents

Hearing aid

Info

Publication number
CH358473A
CH358473A CH358473DA CH358473A CH 358473 A CH358473 A CH 358473A CH 358473D A CH358473D A CH 358473DA CH 358473 A CH358473 A CH 358473A
Authority
CH
Switzerland
Prior art keywords
hearing aid
hearing
aid
Prior art date
Application number
Other languages
German (de)
Inventor
M Busse Harold
Original Assignee
Sonotone Corp
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 Sonotone Corp filed Critical Sonotone Corp
Publication of CH358473A publication Critical patent/CH358473A/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/65Housing parts, e.g. shells, tips or moulds, or their manufacture
    • H04R25/652Ear tips; Ear moulds
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/45Prevention of acoustic reaction, i.e. acoustic oscillatory feedback
    • H04R25/456Prevention of acoustic reaction, i.e. acoustic oscillatory feedback mechanically
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/025In the ear hearing aids [ITE] hearing aids

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Mounting, Suspending (AREA)
  • Headphones And Earphones (AREA)
CH358473D 1956-10-10 1957-09-30 Hearing aid CH358473A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US358473XA 1956-10-10 1956-10-10
US150157XA 1957-01-15 1957-01-15

Publications (1)

Publication Number Publication Date
CH358473A true CH358473A (en) 1961-11-30

Family

ID=26686839

Family Applications (1)

Application Number Title Priority Date Filing Date
CH358473D CH358473A (en) 1956-10-10 1957-09-30 Hearing aid

Country Status (5)

Country Link
BE (1) BE560906A (en)
CH (1) CH358473A (en)
DE (1) DE1130473B (en)
FR (1) FR1183809A (en)
GB (1) GB828972A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1119447A (en) * 1965-03-26 1968-07-10 Danavox Internat A S Hearing aid
DE8323464U1 (en) * 1983-08-16 1983-11-10 Toepholm & Westermann, 3500 Vaerloese Hearing aid to be worn on the ear

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE415944C (en) * 1923-01-19 1925-07-03 Wilhelm Gramsch Hearing device for the hard of hearing
FR803291A (en) * 1936-03-11 1936-09-26 Device to improve hearing
US2613282A (en) * 1949-09-08 1952-10-07 Alan M Scaife Spectacle type hearing aid

Also Published As

Publication number Publication date
BE560906A (en)
DE1130473B (en) 1962-05-30
GB828972A (en) 1960-02-24
FR1183809A (en) 1959-07-15

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