FR2194080A1 - - Google Patents

Info

Publication number
FR2194080A1
FR2194080A1 FR7326368A FR7326368A FR2194080A1 FR 2194080 A1 FR2194080 A1 FR 2194080A1 FR 7326368 A FR7326368 A FR 7326368A FR 7326368 A FR7326368 A FR 7326368A FR 2194080 A1 FR2194080 A1 FR 2194080A1
Authority
FR
France
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.)
Granted
Application number
FR7326368A
Other languages
French (fr)
Other versions
FR2194080B1 (ja
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.)
AMBITEX CORP
Original Assignee
AMBITEX 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 AMBITEX CORP filed Critical AMBITEX CORP
Publication of FR2194080A1 publication Critical patent/FR2194080A1/fr
Application granted granted Critical
Publication of FR2194080B1 publication Critical patent/FR2194080B1/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
    • H04R25/45—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback
    • H04R25/453—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback electronically
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Amplifiers (AREA)
  • Circuit For Audible Band Transducer (AREA)
FR7326368A 1972-07-24 1973-07-18 Expired FR2194080B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27460772A 1972-07-24 1972-07-24

Publications (2)

Publication Number Publication Date
FR2194080A1 true FR2194080A1 (ja) 1974-02-22
FR2194080B1 FR2194080B1 (ja) 1978-02-17

Family

ID=23048911

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7326368A Expired FR2194080B1 (ja) 1972-07-24 1973-07-18

Country Status (6)

Country Link
US (1) US3763333A (ja)
JP (1) JPS4946803A (ja)
CA (1) CA973481A (ja)
DE (1) DE2336319A1 (ja)
FR (1) FR2194080B1 (ja)
GB (1) GB1404279A (ja)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5188087A (en) * 1975-01-30 1976-08-02 Hoonpaipurainno roeichitenkenshutsuhoho
JPS52125251A (en) * 1976-02-23 1977-10-20 Bio Communication Res Electric filter and method of designing same
US4232192A (en) * 1978-05-01 1980-11-04 Starkey Labs, Inc. Moving-average notch filter
JPS6214470Y2 (ja) * 1979-08-07 1987-04-13
US4622440A (en) * 1984-04-11 1986-11-11 In Tech Systems Corp. Differential hearing aid with programmable frequency response
US4852177A (en) * 1986-08-28 1989-07-25 Sensesonics, Inc. High fidelity earphone and hearing aid
DK159357C (da) * 1988-03-18 1991-03-04 Oticon As Hoereapparat, navnlig til anbringelse i oeret
US4988333A (en) * 1988-09-09 1991-01-29 Storz Instrument Company Implantable middle ear hearing aid system and acoustic coupler therefor
US5085628A (en) * 1988-09-09 1992-02-04 Storz Instrument Company Implantable hearing aid coupler device
US5259033A (en) * 1989-08-30 1993-11-02 Gn Danavox As Hearing aid having compensation for acoustic feedback
US5068901A (en) * 1990-05-01 1991-11-26 Knowles Electronics, Inc. Dual outlet passage hearing aid transducer
US6353671B1 (en) * 1998-02-05 2002-03-05 Bioinstco Corp. Signal processing circuit and method for increasing speech intelligibility
US6480610B1 (en) * 1999-09-21 2002-11-12 Sonic Innovations, Inc. Subband acoustic feedback cancellation in hearing aids
US8147544B2 (en) 2001-10-30 2012-04-03 Otokinetics Inc. Therapeutic appliance for cochlea
US7995782B2 (en) * 2007-01-29 2011-08-09 Siemens Hearing Instruments, Inc. Combined receiver and ear-canal microphone assembly for a hearing instrument
KR102302226B1 (ko) * 2016-08-01 2021-09-15 블루프린트 어쿠스틱스 피티와이 엘티디 신호 경로에서의 왜곡을 관리하기 위한 장치 및 방법

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3439129A (en) * 1966-01-28 1969-04-15 Sonotone Corp Acoustic frequency response adjustment
NL146670B (nl) * 1967-06-09 1975-07-15 Philips Nv Inrichting met een transistorversterker.
FR1551250A (ja) * 1967-11-23 1968-12-27

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
CA973481A (en) 1975-08-26
FR2194080B1 (ja) 1978-02-17
US3763333A (en) 1973-10-02
JPS4946803A (ja) 1974-05-07
GB1404279A (en) 1975-08-28
DE2336319A1 (de) 1974-02-14

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Legal Events

Date Code Title Description
ST Notification of lapse