DE3134888C2 - - Google Patents

Info

Publication number
DE3134888C2
DE3134888C2 DE3134888A DE3134888A DE3134888C2 DE 3134888 C2 DE3134888 C2 DE 3134888C2 DE 3134888 A DE3134888 A DE 3134888A DE 3134888 A DE3134888 A DE 3134888A DE 3134888 C2 DE3134888 C2 DE 3134888C2
Authority
DE
Germany
Prior art keywords
hearing aid
microphone
voltage stabilization
stabilization circuit
transistor
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
DE3134888A
Other languages
German (de)
English (en)
Other versions
DE3134888A1 (de
Inventor
Albert Ing.(Grad.) Eggert
Rainer Ing.(Grad.) 1000 Berlin De Goldschmidt
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to DE19813134888 priority Critical patent/DE3134888A1/de
Priority to GB08220088A priority patent/GB2105147B/en
Priority to US06/409,560 priority patent/US4539441A/en
Priority to JP57151852A priority patent/JPS5866500A/ja
Publication of DE3134888A1 publication Critical patent/DE3134888A1/de
Application granted granted Critical
Publication of DE3134888C2 publication Critical patent/DE3134888C2/de
Granted 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
    • H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/502—Customised settings for obtaining desired overall acoustical characteristics using analog signal processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/04—Structural association of microphone with electric circuitry therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • H04R19/04—Microphones

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)
  • Circuit For Audible Band Transducer (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Amplifiers (AREA)
DE19813134888 1981-09-03 1981-09-03 "hoergeraet" Granted DE3134888A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19813134888 DE3134888A1 (de) 1981-09-03 1981-09-03 "hoergeraet"
GB08220088A GB2105147B (en) 1981-09-03 1982-07-09 Hearing aid
US06/409,560 US4539441A (en) 1981-09-03 1982-08-19 Hearing-aid with integrated circuit electronics
JP57151852A JPS5866500A (ja) 1981-09-03 1982-09-02 補聴器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813134888 DE3134888A1 (de) 1981-09-03 1981-09-03 "hoergeraet"

Publications (2)

Publication Number Publication Date
DE3134888A1 DE3134888A1 (de) 1983-03-10
DE3134888C2 true DE3134888C2 (US06826419-20041130-M00005.png) 1989-08-03

Family

ID=6140776

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813134888 Granted DE3134888A1 (de) 1981-09-03 1981-09-03 "hoergeraet"

Country Status (4)

Country Link
US (1) US4539441A (US06826419-20041130-M00005.png)
JP (1) JPS5866500A (US06826419-20041130-M00005.png)
DE (1) DE3134888A1 (US06826419-20041130-M00005.png)
GB (1) GB2105147B (US06826419-20041130-M00005.png)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5099856A (en) * 1989-11-08 1992-03-31 Etymotic Research, Inc. Electrode isolation amplifier
AT407815B (de) * 1990-07-13 2001-06-25 Viennatone Gmbh Hörgerät
JP3437237B2 (ja) * 1994-01-21 2003-08-18 松下電器産業株式会社 増幅装置
US5559892A (en) * 1994-03-28 1996-09-24 Knowles Electronics, Inc. Impedence buffering MOS circuit with dynamically reduced threshold voltage, as for use in an output buffer of a hearing aid amplifier
US5446413A (en) * 1994-05-20 1995-08-29 Knowles Electronics, Inc. Impedance circuit for a miniature hearing aid
AT401595B (de) * 1995-05-18 1996-10-25 Viennatone Ag Hörgerät
DE19702151A1 (de) * 1997-01-22 1998-07-23 Siemens Audiologische Technik Hörhilfegerät mit einem Spannungsregler zur Stabilisierung einer Speisespannung
US6771786B1 (en) 1999-07-28 2004-08-03 Oticon A/S Hearing aid including an integrated circuit
AU5806200A (en) * 1999-07-28 2001-02-19 Oticon A/S Hearing aid including an integrated circuit
US6486730B1 (en) 2000-10-23 2002-11-26 Sonic Innovations, Inc. Voltage down pump and method of operation
JP2002223498A (ja) * 2000-11-21 2002-08-09 Matsushita Electric Ind Co Ltd エレクトレットコンデンサマイクロホン
US7065224B2 (en) * 2001-09-28 2006-06-20 Sonionmicrotronic Nederland B.V. Microphone for a hearing aid or listening device with improved internal damping and foreign material protection
EP1397022A1 (en) * 2003-03-11 2004-03-10 Phonak Ag Microphone devices
US20050091060A1 (en) * 2003-10-23 2005-04-28 Wing Thomas W. Hearing aid for increasing voice recognition through voice frequency downshift and/or voice substitution
EP1613125A3 (en) * 2004-07-02 2008-10-22 Sonion Nederland B.V. Microphone assembly comprising magnetically activable element for signal switching and field indication
US7415121B2 (en) * 2004-10-29 2008-08-19 Sonion Nederland B.V. Microphone with internal damping
EP2716065A1 (en) * 2011-05-30 2014-04-09 Sony Mobile Communications AB Reducing a disturbance on a signal path of a semiconductor switch
CN110324770B (zh) * 2019-08-01 2024-04-26 迈感微电子(上海)有限公司 一种麦克风及其集成电路、电子设备

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3939396A (en) * 1974-02-06 1976-02-17 Ecc Corporation Shunt A.C. voltage regulator with modified full-wave bridge
JPS522426A (en) * 1975-06-23 1977-01-10 Seiko Epson Corp Small-size microphone
JPS525204A (en) * 1975-07-01 1977-01-14 Seiko Epson Corp Hearing aid
JPS526002A (en) * 1975-07-04 1977-01-18 Seiko Epson Corp Hearing aid
JPS5654711Y2 (US06826419-20041130-M00005.png) * 1976-06-11 1981-12-19
DE2738339A1 (de) * 1977-08-25 1979-03-01 Bosch Gmbh Robert Hoergeraeteverstaerker
CA1100189A (en) * 1977-11-03 1981-04-28 Ian C. Forster Inner ear stimulating prosthesis
GB2029161B (en) * 1978-08-21 1983-01-26 Hosiden Electronics Co Electret microphone
JPS5756640Y2 (US06826419-20041130-M00005.png) * 1978-09-30 1982-12-06
US4443666A (en) * 1980-11-24 1984-04-17 Gentex Corporation Electret microphone assembly
US4385209A (en) * 1980-11-28 1983-05-24 Northern Telecom Limited Adjustment of operating characteristics of a telephone transmitter including an electret transducer

Also Published As

Publication number Publication date
DE3134888A1 (de) 1983-03-10
GB2105147B (en) 1985-05-09
GB2105147A (en) 1983-03-16
JPS5866500A (ja) 1983-04-20
US4539441A (en) 1985-09-03

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8363 Opposition against the patent
8339 Ceased/non-payment of the annual fee