ATE221303T1 - Hörgerät mit mikrofonumschaltungssystem - Google Patents

Hörgerät mit mikrofonumschaltungssystem

Info

Publication number
ATE221303T1
ATE221303T1 AT94914124T AT94914124T ATE221303T1 AT E221303 T1 ATE221303 T1 AT E221303T1 AT 94914124 T AT94914124 T AT 94914124T AT 94914124 T AT94914124 T AT 94914124T AT E221303 T1 ATE221303 T1 AT E221303T1
Authority
AT
Austria
Prior art keywords
hearing aid
switching circuit
microphone
directional microphone
electrical signal
Prior art date
Application number
AT94914124T
Other languages
English (en)
Inventor
Mead Killion
Johannes Wittkowski
Richard M D Goode
Jont Allen
Fred Waldhauer
Original Assignee
Etymotic Res 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=ATE221303(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Etymotic Res Inc filed Critical Etymotic Res Inc
Application granted granted Critical
Publication of ATE221303T1 publication Critical patent/ATE221303T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • 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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/005—Circuits for transducers 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)
AT94914124T 1993-04-13 1994-04-12 Hörgerät mit mikrofonumschaltungssystem ATE221303T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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 (1)

Publication Number Publication Date
ATE221303T1 true ATE221303T1 (de) 2002-08-15

Family

ID=21942383

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94914124T ATE221303T1 (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 (257)

* Cited by examiner, † Cited by third party
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US20020057815A1 (en) 2002-05-16
EP0664071B1 (de) 2002-07-24
EP0664071A1 (de) 1995-07-26
US7103191B1 (en) 2006-09-05
DE69431037T3 (de) 2010-09-09
US6327370B1 (en) 2001-12-04
US5524056A (en) 1996-06-04
EP0664071B2 (de) 2010-02-17
US7590253B2 (en) 2009-09-15
WO1994024834A1 (en) 1994-10-27
EP0664071A4 (de) 1995-05-18
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US6101258A (en) 2000-08-08
DE69431037T2 (de) 2003-03-06

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