DE3609461A1 - Elektroakustischer wandler - Google Patents

Elektroakustischer wandler

Info

Publication number
DE3609461A1
DE3609461A1 DE19863609461 DE3609461A DE3609461A1 DE 3609461 A1 DE3609461 A1 DE 3609461A1 DE 19863609461 DE19863609461 DE 19863609461 DE 3609461 A DE3609461 A DE 3609461A DE 3609461 A1 DE3609461 A1 DE 3609461A1
Authority
DE
Germany
Prior art keywords
electrically conductive
electrodes
piezoelectric layer
transducer according
electroacoustic transducer
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.)
Withdrawn
Application number
DE19863609461
Other languages
German (de)
English (en)
Inventor
Klaus Dietzsch
Gottfried Brandenburg
Stephan Overbeck
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.)
Siemens AG
Original Assignee
Siemens AG
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 AG filed Critical Siemens AG
Priority to DE19863609461 priority Critical patent/DE3609461A1/de
Priority to US07/017,981 priority patent/US4779246A/en
Priority to IN143/CAL/87A priority patent/IN164852B/en
Priority to FR8703393A priority patent/FR2596229A1/fr
Priority to JP62061427A priority patent/JPS62227300A/ja
Publication of DE3609461A1 publication Critical patent/DE3609461A1/de
Withdrawn legal-status Critical Current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
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Transducers For Ultrasonic Waves (AREA)
DE19863609461 1986-03-20 1986-03-20 Elektroakustischer wandler Withdrawn DE3609461A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE19863609461 DE3609461A1 (de) 1986-03-20 1986-03-20 Elektroakustischer wandler
US07/017,981 US4779246A (en) 1986-03-20 1987-02-24 Electro-acoustic transducer
IN143/CAL/87A IN164852B (US07498051-20090303-C00003.png) 1986-03-20 1987-02-25
FR8703393A FR2596229A1 (fr) 1986-03-20 1987-03-12 Transducteur electroacoustique
JP62061427A JPS62227300A (ja) 1986-03-20 1987-03-18 電気音響変換器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863609461 DE3609461A1 (de) 1986-03-20 1986-03-20 Elektroakustischer wandler

Publications (1)

Publication Number Publication Date
DE3609461A1 true DE3609461A1 (de) 1987-09-24

Family

ID=6296885

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863609461 Withdrawn DE3609461A1 (de) 1986-03-20 1986-03-20 Elektroakustischer wandler

Country Status (5)

Country Link
US (1) US4779246A (US07498051-20090303-C00003.png)
JP (1) JPS62227300A (US07498051-20090303-C00003.png)
DE (1) DE3609461A1 (US07498051-20090303-C00003.png)
FR (1) FR2596229A1 (US07498051-20090303-C00003.png)
IN (1) IN164852B (US07498051-20090303-C00003.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4783821A (en) * 1987-11-25 1988-11-08 The Regents Of The University Of California IC processed piezoelectric microphone
DE9114727U1 (de) * 1991-11-27 1993-04-01 Werma Signalgeräte GmbH, 7201 Rietheim-Weilheim Piezoelektrischer Summer

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1015289B (zh) * 1988-08-10 1992-01-01 西门子公司 电声转换器
US4918672A (en) * 1988-08-11 1990-04-17 Niles Parts Co., Ltd. Ultrasonic distance sensor
IT216578Z2 (it) * 1989-05-15 1991-09-16 Face Standard Ind Capsula piezoceramica per apparecchi telefonici.
EP0456968B1 (en) * 1990-05-14 1995-01-04 Alcatel Dial Face S.P.A. Piezoelectric transducer
SE506195C2 (sv) * 1993-03-29 1997-11-17 Goesta Lange Hydrofonsystem för övervakning av ledningsnät
US5828768A (en) * 1994-05-11 1998-10-27 Noise Cancellation Technologies, Inc. Multimedia personal computer with active noise reduction and piezo speakers
US5406161A (en) * 1994-05-24 1995-04-11 Industrial Technology Research Institute Piezoelectric composite receiver
US5638456A (en) * 1994-07-06 1997-06-10 Noise Cancellation Technologies, Inc. Piezo speaker and installation method for laptop personal computer and other multimedia applications
JP3301262B2 (ja) * 1995-03-28 2002-07-15 松下電器産業株式会社 弾性表面波装置
US5901231A (en) 1995-09-25 1999-05-04 Noise Cancellation Technologies, Inc. Piezo speaker for improved passenger cabin audio systems
DE19538677C2 (de) * 1995-10-17 1998-12-17 Endress Hauser Gmbh Co Anordnung zur Überwachung eines vorbestimmten Füllstands einer Flüssigkeit in einem Behälter
US5780958A (en) * 1995-11-03 1998-07-14 Aura Systems, Inc. Piezoelectric vibrating device
US5838805A (en) * 1995-11-06 1998-11-17 Noise Cancellation Technologies, Inc. Piezoelectric transducers
JP2947198B2 (ja) * 1997-01-28 1999-09-13 日本電気株式会社 圧電トランス
JP2002505822A (ja) 1997-06-19 2002-02-19 エヌシーティー グループ インコーポレイテッド ラウドスピーカ組立体
US6278790B1 (en) * 1997-11-11 2001-08-21 Nct Group, Inc. Electroacoustic transducers comprising vibrating panels
US6181797B1 (en) 1999-01-09 2001-01-30 Noise Cancellation Technologies, Inc. Piezo speaker for improved passenger cabin audio systems
US7247978B2 (en) * 2004-12-14 2007-07-24 Rakon Limited Acceleration tolerant piezoelectric resonator
US8280080B2 (en) * 2009-04-28 2012-10-02 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Microcap acoustic transducer device
JP5377077B2 (ja) * 2009-05-25 2013-12-25 株式会社オーディオテクニカ コンデンサヘッドホンユニット
ES2458629T3 (es) * 2009-06-19 2014-05-06 Sonovia Holdings Llc Transductor de ultrasonidos de frecuencia dual
GB2476244B (en) * 2009-12-16 2013-04-03 Rolls Royce Plc A transducer assembly

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE759888A (fr) * 1969-12-05 1971-06-04 Siemens Ag Transducteur electro-acoustique, notamment microphone pour installations telephoniques
IT1066823B (it) * 1975-12-30 1985-03-12 Sits Soc It Telecom Siemens Trasduttore elettroacustico particolarmente del tipo a lamina piezoceramica
JPS5370784A (en) * 1976-12-07 1978-06-23 Seiko Instr & Electronics Ltd Support structure of piezoelectric vibrator body
US4267479A (en) * 1977-09-16 1981-05-12 Citizen Watch Co., Ltd. Mounting clips for thickness shear piezoelectric oscillator
US4379211A (en) * 1980-10-14 1983-04-05 Telephonics Corporation Arcuately tensioned piezoelectric diaphragm microphone
US4431937A (en) * 1981-10-26 1984-02-14 Sfe Technologies Piezoelectric crystal assembly including protective mounting and covering means
DE3212660A1 (de) * 1982-04-05 1983-10-06 Siemens Ag Druckwandler
DE3402657A1 (de) * 1984-01-26 1985-08-01 Siemens AG, 1000 Berlin und 8000 München Piezoelektrischer wandler
FR2562352B1 (fr) * 1984-03-30 1989-10-20 Cepe Resonateur piezo-electrique
DE3504011A1 (de) * 1985-02-06 1986-08-07 Siemens AG, 1000 Berlin und 8000 München Kontaktierung schwingender bauelemente mittels leitgummi

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4783821A (en) * 1987-11-25 1988-11-08 The Regents Of The University Of California IC processed piezoelectric microphone
DE9114727U1 (de) * 1991-11-27 1993-04-01 Werma Signalgeräte GmbH, 7201 Rietheim-Weilheim Piezoelektrischer Summer

Also Published As

Publication number Publication date
JPS62227300A (ja) 1987-10-06
IN164852B (US07498051-20090303-C00003.png) 1989-06-17
US4779246A (en) 1988-10-18
FR2596229A1 (fr) 1987-09-25

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee