CA2099187A1 - Hearing aid - Google Patents

Hearing aid

Info

Publication number
CA2099187A1
CA2099187A1 CA002099187A CA2099187A CA2099187A1 CA 2099187 A1 CA2099187 A1 CA 2099187A1 CA 002099187 A CA002099187 A CA 002099187A CA 2099187 A CA2099187 A CA 2099187A CA 2099187 A1 CA2099187 A1 CA 2099187A1
Authority
CA
Canada
Prior art keywords
voltage
integrator
hearing aid
output
input
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.)
Abandoned
Application number
CA002099187A
Other languages
English (en)
French (fr)
Inventor
Gerhard Pfannenmuller
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.)
Sivantos GmbH
Original Assignee
Siemens Audioligische Technik GmbH
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 Siemens Audioligische Technik GmbH filed Critical Siemens Audioligische Technik GmbH
Publication of CA2099187A1 publication Critical patent/CA2099187A1/en
Abandoned legal-status Critical Current

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
    • H04R25/50Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/505Customised settings for obtaining desired overall acoustical characteristics using digital signal processing
    • 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
    • H04R25/50Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/502Customised settings for obtaining desired overall acoustical characteristics using analog signal processing
    • 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
    • H04R2225/33Aspects relating to adaptation of the battery voltage, e.g. its regulation, increase or decrease

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Adornments (AREA)
  • Finger-Pressure Massage (AREA)
CA002099187A 1992-06-29 1993-06-25 Hearing aid Abandoned CA2099187A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP92111013.6 1992-06-29
EP92111013A EP0576700B1 (de) 1992-06-29 1992-06-29 Hörgerät

Publications (1)

Publication Number Publication Date
CA2099187A1 true CA2099187A1 (en) 1993-12-30

Family

ID=8209759

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002099187A Abandoned CA2099187A1 (en) 1992-06-29 1993-06-25 Hearing aid

Country Status (5)

Country Link
EP (1) EP0576700B1 (da)
AT (1) ATE132682T1 (da)
CA (1) CA2099187A1 (da)
DE (1) DE59204943D1 (da)
DK (1) DK0576700T3 (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1473968B1 (en) * 1996-12-04 2009-07-01 Phonak Ag Method and apparatus for the supply of energy to a hearing device
CN100337171C (zh) * 2002-05-16 2007-09-12 广达电脑股份有限公司 双频脉波宽度调制稳压装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2908942C3 (de) * 1979-03-07 1982-01-28 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur Erzeugung einer elektrischen Dreiecksspannung
US4689819B1 (en) * 1983-12-08 1996-08-13 Knowles Electronics Inc Class D hearing aid amplifier
IL89259A0 (en) * 1989-02-10 1989-09-10 Avr Communications Ltd Audio apparatus
CH681499A5 (da) * 1990-10-30 1993-03-31 Ascom Audiosys Ag

Also Published As

Publication number Publication date
DE59204943D1 (de) 1996-02-15
EP0576700A1 (de) 1994-01-05
DK0576700T3 (da) 1996-06-03
ATE132682T1 (de) 1996-01-15
EP0576700B1 (de) 1996-01-03

Similar Documents

Publication Publication Date Title
US6175272B1 (en) Pulse—width modulation system
US5594386A (en) Pulse width modulated amplifier
SE9003426L (sv) Audio-effektfoerstaerkare med pulsbreddsmodulering samt ett audio-effektsteg
KR101124802B1 (ko) 전력 배율기 장치 및 방법
KR100649467B1 (ko) 레이저 다이오드의 구동 회로
CA2099187A1 (en) Hearing aid
JP2983038B2 (ja) スイッチング装置
EP0735540A3 (en) Low power sense amplifier for gain memory cells
EP1014567A3 (en) Improvements in or relating to an operational amplifier
US4908857A (en) Isolated drive circuit
US5451903A (en) Low supply voltage output driver
DE68928172D1 (de) Spannungsquelleverstärker
JPS59103571A (ja) スイツチングレギユレ−タ回路
GB1587740A (en) Electrical circuit for an alarm system
KR101057313B1 (ko) D급 증폭기 에너지 제어
EP0372616B1 (en) Electronic telephone set
US5936457A (en) Light spot position-to-pulse width converter
EP1177619B1 (en) Signal treating circuit with a class a/b output stage connectable to a source of multiple supply voltages
JP2975381B2 (ja) スイッチ素子の駆動回路
JPH0438596Y2 (da)
EP0951146A1 (en) A digital-to-analog converter
SU817689A1 (ru) Стабилизатор посто нного напр жени и TOKA
JPS6335032A (ja) レ−ザダイオ−ド駆動回路
KR790001825Y1 (ko) 펄스폭 변조증폭기의 보호회로
JP2839558B2 (ja) Pwm駆動回路

Legal Events

Date Code Title Description
FZDE Discontinued