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DE69218744D1 - Elektretwandler-Anordnung - Google Patents

Elektretwandler-Anordnung

Info

Publication number
DE69218744D1
DE69218744D1 DE69218744T DE69218744T DE69218744D1 DE 69218744 D1 DE69218744 D1 DE 69218744D1 DE 69218744 T DE69218744 T DE 69218744T DE 69218744 T DE69218744 T DE 69218744T DE 69218744 D1 DE69218744 D1 DE 69218744D1
Authority
DE
Germany
Prior art keywords
electrical converter
converter arrangement
arrangement
electrical
converter
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
DE69218744T
Other languages
English (en)
Other versions
DE69218744T2 (de
Inventor
Gary Wayne Elko
Michael Mark Goodwin
Robert Alfred Kubli
James Edward West
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.)
AT&T Corp
Original Assignee
AT&T 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 AT&T Corp filed Critical AT&T Corp
Application granted granted Critical
Publication of DE69218744D1 publication Critical patent/DE69218744D1/de
Publication of DE69218744T2 publication Critical patent/DE69218744T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0292—Electrostatic transducers, e.g. electret-type
    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
    • 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
    • H04R19/01—Electrostatic transducers characterised by the use of electrets
    • H04R19/016—Electrostatic transducers characterised by the use of electrets for microphones

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Mechanical Engineering (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Transducers For Ultrasonic Waves (AREA)
DE69218744T 1991-12-23 1992-12-10 Elektretwandler-Anordnung Expired - Lifetime DE69218744T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/812,774 US5388163A (en) 1991-12-23 1991-12-23 Electret transducer array and fabrication technique

Publications (2)

Publication Number Publication Date
DE69218744D1 true DE69218744D1 (de) 1997-05-07
DE69218744T2 DE69218744T2 (de) 1997-07-10

Family

ID=25210589

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69218744T Expired - Lifetime DE69218744T2 (de) 1991-12-23 1992-12-10 Elektretwandler-Anordnung

Country Status (6)

Country Link
US (1) US5388163A (de)
EP (1) EP0549200B1 (de)
JP (1) JP2837600B2 (de)
CA (1) CA2081038C (de)
DE (1) DE69218744T2 (de)
ES (1) ES2099225T3 (de)

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US6937735B2 (en) * 2001-04-18 2005-08-30 SonionMicrotronic Néderland B.V. Microphone for a listening device having a reduced humidity coefficient
JP4697763B2 (ja) * 2001-07-31 2011-06-08 パナソニック株式会社 コンデンサマイクロホン
US6690232B2 (en) * 2001-09-27 2004-02-10 Kabushiki Kaisha Toshiba Variable gain amplifier
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
KR100955587B1 (ko) 2001-10-10 2010-04-30 라이프스캔, 인코포레이티드 전기화학 전지
WO2003037212A2 (en) 2001-10-30 2003-05-08 Lesinski George S Implantation method for a hearing aid microactuator implanted into the cochlea
US7415121B2 (en) * 2004-10-29 2008-08-19 Sonion Nederland B.V. Microphone with internal damping
JP2007036387A (ja) * 2005-07-22 2007-02-08 Star Micronics Co Ltd マイクロホンアレー
WO2007024909A1 (en) * 2005-08-23 2007-03-01 Analog Devices, Inc. Multi-microphone system
US8130979B2 (en) * 2005-08-23 2012-03-06 Analog Devices, Inc. Noise mitigating microphone system and method
US8351632B2 (en) * 2005-08-23 2013-01-08 Analog Devices, Inc. Noise mitigating microphone system and method
US8529751B2 (en) 2006-03-31 2013-09-10 Lifescan, Inc. Systems and methods for discriminating control solution from a physiological sample
WO2007132286A1 (en) * 2006-05-12 2007-11-22 Nokia Corporation An adaptive user interface
USD569851S1 (en) * 2006-06-29 2008-05-27 Star Micronics Co., Ltd. Microphone
USD569850S1 (en) * 2006-06-29 2008-05-27 Star Micronics Co., Ltd. Microphone
USD569852S1 (en) * 2006-06-29 2008-05-27 Star Micronics Co., Ltd. Microphone
EP2009950A1 (de) * 2007-06-28 2008-12-31 Lyttron Technologies GmbH Elektrostatischer Folienschallwandler und Verfahren zu dessen Herstellung
US8778168B2 (en) * 2007-09-28 2014-07-15 Lifescan, Inc. Systems and methods of discriminating control solution from a physiological sample
US8513371B2 (en) * 2007-12-31 2013-08-20 Bridgestone Corporation Amino alkoxy-modified silsesquioxanes and method of preparation
US8603768B2 (en) 2008-01-17 2013-12-10 Lifescan, Inc. System and method for measuring an analyte in a sample
US8551320B2 (en) 2008-06-09 2013-10-08 Lifescan, Inc. System and method for measuring an analyte in a sample
US8175293B2 (en) * 2009-04-16 2012-05-08 Nokia Corporation Apparatus, methods and computer programs for converting sound waves to electrical signals
TW201204062A (en) * 2010-07-15 2012-01-16 Taiwan Electrets Electronics Co Ltd Electrostatic speaker and manufacturing method thereof and conducting plate of the speaker
US9380380B2 (en) 2011-01-07 2016-06-28 Stmicroelectronics S.R.L. Acoustic transducer and interface circuit
JP5872163B2 (ja) 2011-01-07 2016-03-01 オムロン株式会社 音響トランスデューサ、および該音響トランスデューサを利用したマイクロフォン
USD699712S1 (en) * 2012-02-29 2014-02-18 Clearone Communications, Inc. Beamforming microphone
WO2015075432A1 (en) * 2013-11-19 2015-05-28 Mellow Acoustics Limited Loudspeakers and loudspeaker drive circuits
CN104058364B (zh) * 2014-06-13 2016-03-23 杭州电子科技大学 一种图形化薄膜驻极体的制备方法
CN110164693B (zh) * 2018-02-12 2022-02-11 北京纳米能源与系统研究所 驻极电极及其制备方法、驻极装置
KR20210041576A (ko) * 2018-08-08 2021-04-15 그래프오디오 인코포레이션 마이크로 정전형 트랜스듀서의 대량 제조

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US4056742A (en) * 1976-04-30 1977-11-01 Tibbetts Industries, Inc. Transducer having piezoelectric film arranged with alternating curvatures
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US4429192A (en) * 1981-11-20 1984-01-31 Bell Telephone Laboratories, Incorporated Electret transducer with variable electret foil thickness
US4429191A (en) * 1981-11-20 1984-01-31 Bell Telephone Laboratories, Incorporated Electret transducer with variably charged electret foil
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SE440581B (sv) * 1983-12-22 1985-08-05 Ericsson Telefon Ab L M Forfarande for framstellning av elektroakustiska omvandlare med slutet resonansrum, foretredesvis mikrofoner, samt elektroakustisk omvandlare framstelld enligt forfarandet
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JP2651383B2 (ja) * 1989-03-14 1997-09-10 パイオニア株式会社 指向性を有するスピーカ装置

Also Published As

Publication number Publication date
ES2099225T3 (es) 1997-05-16
EP0549200A1 (de) 1993-06-30
DE69218744T2 (de) 1997-07-10
JPH0686398A (ja) 1994-03-25
EP0549200B1 (de) 1997-04-02
JP2837600B2 (ja) 1998-12-16
US5388163A (en) 1995-02-07
CA2081038A1 (en) 1993-06-24
CA2081038C (en) 1997-12-09

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