DE69431037T2 - Hörgerät mit mikrofonumschaltungssystem - Google Patents

Hörgerät mit mikrofonumschaltungssystem

Info

Publication number
DE69431037T2
DE69431037T2 DE69431037T DE69431037T DE69431037T2 DE 69431037 T2 DE69431037 T2 DE 69431037T2 DE 69431037 T DE69431037 T DE 69431037T DE 69431037 T DE69431037 T DE 69431037T DE 69431037 T2 DE69431037 T2 DE 69431037T2
Authority
DE
Germany
Prior art keywords
hearing aid
switching circuit
microphone
directional microphone
electrical signal
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 - Lifetime
Application number
DE69431037T
Other languages
English (en)
Other versions
DE69431037D1 (de
DE69431037T3 (de
Inventor
Mead Killion
Johannes Wittkowski
M Goode
Jont Allen
Fred Waldhauer
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.)
Etymotic Research Inc
Original Assignee
Etymotic Research Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21942383&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69431037(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Etymotic Research Inc filed Critical Etymotic Research Inc
Publication of DE69431037D1 publication Critical patent/DE69431037D1/de
Publication of DE69431037T2 publication Critical patent/DE69431037T2/de
Application granted granted Critical
Publication of DE69431037T3 publication Critical patent/DE69431037T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04R25/40—Arrangements for obtaining a desired directivity characteristic
    • H04R25/407—Circuits for combining signals of a plurality of transducers
    • 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
    • H04R25/43—Electronic input selection or mixing based on input signal analysis, e.g. mixing or selection between microphone and telecoil or between microphones with different directivity characteristics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/004—Monitoring arrangements; Testing arrangements for microphones
    • H04R29/005—Microphone arrays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/004—Monitoring arrangements; Testing arrangements for microphones
    • H04R29/005—Microphone arrays
    • H04R29/006—Microphone matching
    • 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
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Neurosurgery (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Transmitters (AREA)
DE69431037T 1993-04-13 1994-04-12 Hörgerät mit mikrofonumschaltungssystem Expired - Lifetime DE69431037T3 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US46241 1993-04-13
US08/046,241 US5524056A (en) 1993-04-13 1993-04-13 Hearing aid having plural microphones and a microphone switching system
PCT/US1994/003993 WO1994024834A1 (en) 1993-04-13 1994-04-12 Hearing aid having a microphone switching system

Publications (3)

Publication Number Publication Date
DE69431037D1 DE69431037D1 (de) 2002-08-29
DE69431037T2 true DE69431037T2 (de) 2003-03-06
DE69431037T3 DE69431037T3 (de) 2010-09-09

Family

ID=21942383

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69431037T Expired - Lifetime DE69431037T3 (de) 1993-04-13 1994-04-12 Hörgerät mit mikrofonumschaltungssystem

Country Status (5)

Country Link
US (6) US5524056A (de)
EP (1) EP0664071B2 (de)
AT (1) ATE221303T1 (de)
DE (1) DE69431037T3 (de)
WO (1) WO1994024834A1 (de)

Families Citing this family (244)

* Cited by examiner, † Cited by third party
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US7590253B2 (en) 2009-09-15
US6101258A (en) 2000-08-08
EP0664071B2 (de) 2010-02-17
US5524056A (en) 1996-06-04
US20070041602A1 (en) 2007-02-22
US7103191B1 (en) 2006-09-05
WO1994024834A1 (en) 1994-10-27
ATE221303T1 (de) 2002-08-15
EP0664071A4 (de) 1995-05-18
DE69431037D1 (de) 2002-08-29
US20020057815A1 (en) 2002-05-16
DE69431037T3 (de) 2010-09-09
EP0664071A1 (de) 1995-07-26
EP0664071B1 (de) 2002-07-24
US6327370B1 (en) 2001-12-04

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