JPS5221364B2 - - Google Patents

Info

Publication number
JPS5221364B2
JPS5221364B2 JP46087854A JP8785471A JPS5221364B2 JP S5221364 B2 JPS5221364 B2 JP S5221364B2 JP 46087854 A JP46087854 A JP 46087854A JP 8785471 A JP8785471 A JP 8785471A JP S5221364 B2 JPS5221364 B2 JP S5221364B2
Authority
JP
Japan
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
JP46087854A
Other languages
Japanese (ja)
Other versions
JPS4853713A (US06623731-20030923-C00052.png
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 filed Critical
Priority to JP46087854A priority Critical patent/JPS5221364B2/ja
Priority to CA155,743A priority patent/CA989972A/en
Priority to GB5063772A priority patent/GB1405789A/en
Priority to DE19722253721 priority patent/DE2253721C3/de
Priority to NL7214888A priority patent/NL7214888A/xx
Priority to US303894A priority patent/US3894198A/en
Priority to FR7239244A priority patent/FR2158571B1/fr
Publication of JPS4853713A publication Critical patent/JPS4853713A/ja
Publication of JPS5221364B2 publication Critical patent/JPS5221364B2/ja
Expired 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
    • H04R17/00Piezoelectric transducers; Electrostrictive transducers
    • H04R17/005Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00Electrostatic transducers
    • H04R19/01Electrostatic transducers characterised by the use of electrets
    • H04R19/013Electrostatic transducers characterised by the use of electrets for loudspeakers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S310/00Electrical generator or motor structure
    • Y10S310/80Piezoelectric polymers, e.g. PVDF

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Headphones And Earphones (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
JP46087854A 1971-11-04 1971-11-04 Expired JPS5221364B2 (US06623731-20030923-C00052.png)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP46087854A JPS5221364B2 (US06623731-20030923-C00052.png) 1971-11-04 1971-11-04
CA155,743A CA989972A (en) 1971-11-04 1972-10-31 Electroacoustic transducer
GB5063772A GB1405789A (en) 1971-11-04 1972-11-02 Electroacoustic transducer
DE19722253721 DE2253721C3 (de) 1971-11-04 1972-11-02 Elektrostatischer elektro-akustischer Wandler
NL7214888A NL7214888A (US06623731-20030923-C00052.png) 1971-11-04 1972-11-03
US303894A US3894198A (en) 1971-11-04 1972-11-06 Electrostatic-piezoelectric transducer
FR7239244A FR2158571B1 (US06623731-20030923-C00052.png) 1971-11-04 1972-11-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46087854A JPS5221364B2 (US06623731-20030923-C00052.png) 1971-11-04 1971-11-04

Publications (2)

Publication Number Publication Date
JPS4853713A JPS4853713A (US06623731-20030923-C00052.png) 1973-07-28
JPS5221364B2 true JPS5221364B2 (US06623731-20030923-C00052.png) 1977-06-10

Family

ID=13926458

Family Applications (1)

Application Number Title Priority Date Filing Date
JP46087854A Expired JPS5221364B2 (US06623731-20030923-C00052.png) 1971-11-04 1971-11-04

Country Status (6)

Country Link
US (1) US3894198A (US06623731-20030923-C00052.png)
JP (1) JPS5221364B2 (US06623731-20030923-C00052.png)
CA (1) CA989972A (US06623731-20030923-C00052.png)
FR (1) FR2158571B1 (US06623731-20030923-C00052.png)
GB (1) GB1405789A (US06623731-20030923-C00052.png)
NL (1) NL7214888A (US06623731-20030923-C00052.png)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2199430A5 (US06623731-20030923-C00052.png) * 1972-09-08 1974-04-05 Anvar
JPS5745760Y2 (US06623731-20030923-C00052.png) * 1974-02-18 1982-10-08
JPS50117412A (US06623731-20030923-C00052.png) * 1974-02-18 1975-09-13
US3980838A (en) * 1974-02-20 1976-09-14 Tokyo Shibaura Electric Co., Ltd. Plural electret electroacoustic transducer
JPS5215972B2 (US06623731-20030923-C00052.png) * 1974-02-28 1977-05-06
US3970862A (en) * 1974-06-25 1976-07-20 The United States Of America As Represented By The Secretary Of The Navy Polymeric sensor of vibration and dynamic pressure
JPS51101927U (US06623731-20030923-C00052.png) * 1975-02-14 1976-08-16
JPS5215319A (en) * 1975-07-25 1977-02-04 Matsushita Electric Ind Co Ltd Electric sound convertor
GB1520118A (en) * 1975-08-11 1978-08-02 Rank Organisation Ltd Transducers
US4146800A (en) * 1975-10-08 1979-03-27 Gregory Stephen E Apparatus and method of generating electricity from wind energy
US4170185A (en) * 1978-01-09 1979-10-09 Lectret S.A. Preventing marine fouling
US4207442A (en) * 1978-05-15 1980-06-10 Freeman Miller L Driver circuit for electrostatic transducers
JPS5512508A (en) * 1978-07-10 1980-01-29 Kureha Chem Ind Co Ltd Information recording sheet
US4331840A (en) * 1980-02-22 1982-05-25 Lectret S.A. Electret transducer with tapered acoustic chamber
GB2079054B (en) * 1980-06-30 1984-02-22 Tokyo Shibaura Electric Co Electret device
US4440027A (en) * 1982-05-26 1984-04-03 Ford Motor Company Velocity and mass air flow sensor
DE3437488A1 (de) * 1984-10-12 1986-04-17 Richard Wolf Gmbh, 7134 Knittlingen Schallsender
US4868447A (en) * 1987-09-11 1989-09-19 Cornell Research Foundation, Inc. Piezoelectric polymer laminates for torsional and bending modal control
US4985926A (en) * 1988-02-29 1991-01-15 Motorola, Inc. High impedance piezoelectric transducer
US5558298A (en) * 1994-12-05 1996-09-24 General Electric Company Active noise control of aircraft engine discrete tonal noise
US5949892A (en) * 1995-12-07 1999-09-07 Advanced Micro Devices, Inc. Method of and apparatus for dynamically controlling operating characteristics of a microphone
US6140740A (en) * 1997-12-30 2000-10-31 Remon Medical Technologies, Ltd. Piezoelectric transducer
US20030036746A1 (en) 2001-08-16 2003-02-20 Avi Penner Devices for intrabody delivery of molecules and systems and methods utilizing same
US6760455B2 (en) * 2000-07-13 2004-07-06 American Technology Corporation Electrostatic loudspeaker with a distributed filter
AT410498B (de) * 2001-02-20 2003-05-26 Akg Acoustics Gmbh Elektroakustische kapsel
US6978032B2 (en) * 2001-11-29 2005-12-20 Matsushita Electric Industrial Co., Ltd. Piezoelectric speaker
GB0204572D0 (en) * 2002-02-27 2002-04-10 Univ Warwick Non contacting air-coupled ultrasonic inspection system for food and drinks
US7580750B2 (en) * 2004-11-24 2009-08-25 Remon Medical Technologies, Ltd. Implantable medical device with integrated acoustic transducer
US7522962B1 (en) 2004-12-03 2009-04-21 Remon Medical Technologies, Ltd Implantable medical device with integrated acoustic transducer
EP1880403B1 (en) * 2005-05-02 2012-06-13 Epcos Ag Capacitive rf-mems device with integrated decoupling capacitor
US20080212807A1 (en) * 2005-06-08 2008-09-04 General Mems Corporation Micromachined Acoustic Transducers
US7615012B2 (en) * 2005-08-26 2009-11-10 Cardiac Pacemakers, Inc. Broadband acoustic sensor for an implantable medical device
US7570998B2 (en) * 2005-08-26 2009-08-04 Cardiac Pacemakers, Inc. Acoustic communication transducer in implantable medical device header
JP2008042869A (ja) * 2005-10-05 2008-02-21 Seiko Epson Corp 静電型超音波トランスデューサ、超音波スピーカ、音声信号再生方法、超指向性音響システム及び表示装置
US7912548B2 (en) * 2006-07-21 2011-03-22 Cardiac Pacemakers, Inc. Resonant structures for implantable devices
EP2043740A2 (en) 2006-07-21 2009-04-08 Cardiac Pacemakers, Inc. Ultrasonic transducer for a metallic cavity implanted medical device
US8825161B1 (en) 2007-05-17 2014-09-02 Cardiac Pacemakers, Inc. Acoustic transducer for an implantable medical device
JP2010528814A (ja) 2007-06-14 2010-08-26 カーディアック ペースメイカーズ, インコーポレイテッド 多素子音響再充電システム
TWI343756B (en) * 2009-08-10 2011-06-11 Ind Tech Res Inst Flat loudspeaker structure
US20100103115A1 (en) * 2008-10-24 2010-04-29 Sony Ericsson Mobile Communications Ab Display arrangement and electronic device
CN101754078A (zh) * 2008-12-12 2010-06-23 志丰电子股份有限公司 驻极体背极式双振膜电声致动器及其制法
JP5810328B2 (ja) * 2010-03-29 2015-11-11 パナソニックIpマネジメント株式会社 圧電型音響変換器
JP5195895B2 (ja) * 2010-12-27 2013-05-15 株式会社村田製作所 圧電発音部品
CN102651836A (zh) * 2011-02-28 2012-08-29 千如电机工业股份有限公司 用于平板型电声致动器的音讯驱动器
EP2512029A1 (en) * 2011-04-11 2012-10-17 ABC Taiwan Electronics Corp. Audio signal driver for flat sound generator
DE102012221833A1 (de) * 2012-11-29 2014-06-05 Robert Bosch Gmbh Wandler mit zumindest einer Elektrode eines ersten Typs, einer Elektrode eines zweiten Typs und zumindest einem Ferroelektret
JP6278619B2 (ja) * 2013-06-14 2018-02-14 古河電気工業株式会社 振動発電体
DE102013222231A1 (de) 2013-10-31 2015-04-30 Sennheiser Electronic Gmbh & Co. Kg Hörer
KR20160068059A (ko) * 2014-12-04 2016-06-15 삼성디스플레이 주식회사 다공성 압전 박막을 포함하는 압전 소자
US10120449B2 (en) 2015-08-25 2018-11-06 Immersion Corporation Parallel plate actuator
KR101703608B1 (ko) * 2015-08-28 2017-02-07 현대자동차 주식회사 탈착형 마이크로폰 및 그 제조 방법

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE524082C (de) * 1928-09-07 1931-05-01 Siemens & Halske Akt Ges Lautsprecher mit mehreren nach verschiedenartigen Prinzipien arbeitenden elektrischen Antriebssystemen
US2478223A (en) * 1946-03-01 1949-08-09 Clarkstan Corp Electrostrictive translator
JPS4815867B1 (US06623731-20030923-C00052.png) * 1969-08-28 1973-05-17
US3646413A (en) * 1970-09-25 1972-02-29 Avco Corp Piezoelectric-driven variable capacitor

Also Published As

Publication number Publication date
CA989972A (en) 1976-05-25
FR2158571A1 (US06623731-20030923-C00052.png) 1973-06-15
GB1405789A (en) 1975-09-10
DE2253721A1 (de) 1973-05-24
JPS4853713A (US06623731-20030923-C00052.png) 1973-07-28
US3894198A (en) 1975-07-08
DE2253721B2 (de) 1976-02-12
FR2158571B1 (US06623731-20030923-C00052.png) 1978-11-03
NL7214888A (US06623731-20030923-C00052.png) 1973-05-08

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