FR1183809A - Acoustic device - Google Patents

Acoustic device

Info

Publication number
FR1183809A
FR1183809A FR1183809DA FR1183809A FR 1183809 A FR1183809 A FR 1183809A FR 1183809D A FR1183809D A FR 1183809DA FR 1183809 A FR1183809 A FR 1183809A
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.)
Sonotone Corp
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
Application granted granted Critical
Publication of FR1183809A publication Critical patent/FR1183809A/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
    • H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
    • H04R25/652—Ear tips; Ear moulds
    • 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
    • H04R25/45—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback
    • H04R25/456—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback mechanically
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/025—In 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)
FR1183809D 1956-10-10 1957-10-02 Acoustic device Expired FR1183809A (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
FR1183809A true FR1183809A (en) 1959-07-15

Family

ID=26686839

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1183809D Expired FR1183809A (en) 1956-10-10 1957-10-02 Acoustic device

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
GB1119445A (en) * 1965-03-26 1968-07-10 Danavox Internat A S Hearing aid
DE3329473A1 (en) * 1983-08-16 1985-03-07 Toepholm & Westermann, Vaerloese HOER DEVICE TO WEAR 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
GB828972A (en) 1960-02-24
CH358473A (en) 1961-11-30
DE1130473B (en) 1962-05-30
BE560906A (en)

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