DE3907540C2 - - Google Patents

Info

Publication number
DE3907540C2
DE3907540C2 DE3907540A DE3907540A DE3907540C2 DE 3907540 C2 DE3907540 C2 DE 3907540C2 DE 3907540 A DE3907540 A DE 3907540A DE 3907540 A DE3907540 A DE 3907540A DE 3907540 C2 DE3907540 C2 DE 3907540C2
Authority
DE
Germany
Prior art keywords
plastic foam
piezoelectric
drive element
membrane
speaker according
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 - Fee Related
Application number
DE3907540A
Other languages
German (de)
English (en)
Other versions
DE3907540A1 (de
Inventor
Tadashi Nagaokakyo Kyoto Jp Takaya
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
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
Priority claimed from JP63143896A external-priority patent/JP2580551B2/ja
Priority claimed from JP63143897A external-priority patent/JPH07105987B2/ja
Priority claimed from JP22068888A external-priority patent/JPH0267900A/ja
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of DE3907540A1 publication Critical patent/DE3907540A1/de
Application granted granted Critical
Publication of DE3907540C2 publication Critical patent/DE3907540C2/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; ELECTRIC HEARING AIDS; 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)
DE3907540A 1988-06-10 1989-03-08 Piezoelektrischer lautsprecher Granted DE3907540A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP63143896A JP2580551B2 (ja) 1988-06-10 1988-06-10 圧電スピーカ
JP63143897A JPH07105987B2 (ja) 1988-06-10 1988-06-10 圧電スピーカ
JP22068888A JPH0267900A (ja) 1988-09-02 1988-09-02 圧電スピーカ

Publications (2)

Publication Number Publication Date
DE3907540A1 DE3907540A1 (de) 1989-12-21
DE3907540C2 true DE3907540C2 (enExample) 1993-06-24

Family

ID=27318731

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3907540A Granted DE3907540A1 (de) 1988-06-10 1989-03-08 Piezoelektrischer lautsprecher

Country Status (3)

Country Link
US (1) US4969197A (enExample)
DE (1) DE3907540A1 (enExample)
GB (1) GB2219712B (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004028664A1 (de) * 2004-06-12 2006-01-19 Puren Gmbh Schwingungskörper eines Lautsprechersystems
DE102005033632A1 (de) * 2005-07-19 2007-02-08 Kurt Kojer Lautsprecher
DE102012201884A1 (de) * 2012-02-09 2013-08-14 Robert Bosch Gmbh Schallwandler

Families Citing this family (97)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE468656B (sv) * 1990-10-19 1993-02-22 Rydborn S A O Anordning foer omvandling av mekanisk paaverkan till en elektrisk signal
US5229744A (en) * 1990-11-27 1993-07-20 Ngk Spark Plug Co., Ltd. Piezoelectric type pager
US5196755A (en) * 1992-04-27 1993-03-23 Shields F Douglas Piezoelectric panel speaker
GB9224292D0 (en) * 1992-11-19 1993-02-17 Flow Research Evaluation Diagn Sonar transducers
US5636270A (en) * 1993-12-30 1997-06-03 Davey; Melville G. Method of producing signals commonly used with telephones
US5641164A (en) * 1994-10-13 1997-06-24 The M2000 Group Inc. Talking trading cards
US5751827A (en) * 1995-03-13 1998-05-12 Primo Microphones, Inc. Piezoelectric speaker
PL325246A1 (en) * 1995-09-02 1998-07-06 New Transducers Ltd Inertial vibration transducer
US6304661B1 (en) 1995-09-02 2001-10-16 New Transducers Limited Loudspeakers comprising panel-form acoustic radiating elements
US6327369B1 (en) 1995-09-02 2001-12-04 New Transducers Limited Loudspeakers comprising panel-form acoustic radiating elements
US6266426B1 (en) 1995-09-02 2001-07-24 New Transducers Limited Visual display means incorporating loudspeakers
US6285770B1 (en) 1995-09-02 2001-09-04 New Transducers Limited Noticeboards incorporating loudspeakers
KR19990037726A (ko) 1995-09-02 1999-05-25 헨리 에이지마 판넬형 음향 방사소자들로 구성된 라우드스피커
US5901231A (en) 1995-09-25 1999-05-04 Noise Cancellation Technologies, Inc. Piezo speaker for improved passenger cabin audio systems
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
US6396197B1 (en) 1995-12-22 2002-05-28 Speaker Acquisition Sub, A Cayman Island Corporation Piezoelectric speaker
US6144746A (en) * 1996-02-09 2000-11-07 New Transducers Limited Loudspeakers comprising panel-form acoustic radiating elements
US5896000A (en) * 1996-02-09 1999-04-20 Vectron Laboratories, Inc. Mounting for reducing vibration-induced side bands
KR20000057689A (ko) * 1996-12-20 2000-09-25 제프리 씨. 제이틀린 진동 패널들을 구비한 전기 음향 변환기
JP3360558B2 (ja) * 1997-01-06 2002-12-24 株式会社村田製作所 圧電型電気音響変換器
US7320457B2 (en) * 1997-02-07 2008-01-22 Sri International Electroactive polymer devices for controlling fluid flow
WO1998035529A2 (en) * 1997-02-07 1998-08-13 Sri International Elastomeric dielectric polymer film sonic actuator
US6812624B1 (en) * 1999-07-20 2004-11-02 Sri International Electroactive polymers
US6137890A (en) * 1997-05-06 2000-10-24 Compaq Computer Corporation Lumped parameter resonator of a piezoelectric speaker
WO1998058416A1 (en) 1997-06-19 1998-12-23 Nct Group, Inc. Loudspeaker assembly
US6278790B1 (en) 1997-11-11 2001-08-21 Nct Group, Inc. Electroacoustic transducers comprising vibrating panels
DE19757097B4 (de) * 1997-12-20 2004-04-15 Harman Audio Electronic Systems Gmbh Schallwiedergabeanordnung
DE19757098C2 (de) * 1997-12-20 2003-01-09 Harman Audio Electronic Sys Aufhängung für Schallwiedergabeanordnungen nach dem Biegewellenprinzip
DE19821862A1 (de) * 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Schallwiedergabeanordnung
DE19825866A1 (de) 1998-06-10 1999-12-16 Nokia Deutschland Gmbh Plattenlautsprecher
DE69930188T2 (de) * 1998-11-05 2006-12-07 Matsushita Electric Industrial Co., Ltd., Kadoma Piezoelektrischer Lautsprecher,Verfahren zu seiner Herstellung,und Lautsprecherssystem mit diesem Lautsprecher
US6181797B1 (en) 1999-01-09 2001-01-30 Noise Cancellation Technologies, Inc. Piezo speaker for improved passenger cabin audio systems
US7064472B2 (en) * 1999-07-20 2006-06-20 Sri International Electroactive polymer devices for moving fluid
US7537197B2 (en) * 1999-07-20 2009-05-26 Sri International Electroactive polymer devices for controlling fluid flow
US7608989B2 (en) * 1999-07-20 2009-10-27 Sri International Compliant electroactive polymer transducers for sonic applications
GB9929731D0 (en) * 1999-12-16 2000-02-09 New Transducers Ltd Acoustic device
CA2396260C (en) * 2000-01-07 2007-09-11 Lewis Athanas Mechanical-to-acoustical transformer and multi-media flat film speaker
US6911764B2 (en) 2000-02-09 2005-06-28 Sri International Energy efficient electroactive polymers and electroactive polymer devices
AU2001238675A1 (en) * 2000-02-23 2001-09-03 Sri International Electroactive polymer thermal electric generators
EP1259992B1 (en) * 2000-02-23 2011-10-05 SRI International Biologically powered electroactive polymer generators
BE1013592A3 (nl) * 2000-07-11 2002-04-02 Sonitron Nv Transducent.
DE60208245T2 (de) 2001-01-22 2006-07-13 Matsushita Electric Industrial Co., Ltd., Kadoma Lautsprechersystem
GB0221503D0 (en) * 2002-09-17 2002-10-23 1 Ltd Loudspeaker
US7475598B2 (en) * 2003-09-11 2009-01-13 New Transducers Limited Electromechanical force transducer
GB0321292D0 (en) * 2003-09-11 2003-10-15 New Transducers Ltd Transducer
US20060013417A1 (en) * 2004-07-16 2006-01-19 Intier Automotive Inc. Acoustical panel assembly
JP4507252B2 (ja) * 2004-12-27 2010-07-21 シチズン電子株式会社 パネル型スピーカ
GB2426650B (en) 2005-05-25 2011-01-05 Adder Tech Ltd Audio and video signal transmission
KR20080080258A (ko) * 2005-05-31 2008-09-03 에모 라브스, 인크. 기계-음향 변환기용 최적 압전체 설계
US7952261B2 (en) 2007-06-29 2011-05-31 Bayer Materialscience Ag Electroactive polymer transducers for sensory feedback applications
US20100322455A1 (en) * 2007-11-21 2010-12-23 Emo Labs, Inc. Wireless loudspeaker
US8126170B2 (en) * 2008-09-05 2012-02-28 Apple Inc. Electromagnetic interference shields with piezos
US8265329B2 (en) * 2008-09-05 2012-09-11 Apple Inc. Compact housing for portable electronic device with internal speaker
US8189851B2 (en) 2009-03-06 2012-05-29 Emo Labs, Inc. Optically clear diaphragm for an acoustic transducer and method for making same
US20100246143A1 (en) * 2009-03-26 2010-09-30 Richard Hung Minh Dinh Electromagnetic Interference Shielding for Compact Electronic Devices
EP2239793A1 (de) 2009-04-11 2010-10-13 Bayer MaterialScience AG Elektrisch schaltbarer Polymerfilmaufbau und dessen Verwendung
WO2011162002A1 (ja) * 2010-06-25 2011-12-29 京セラ株式会社 音響発生器
US8885853B2 (en) * 2010-07-09 2014-11-11 Yamaha Corporation Electrostatic loudspeaker
CN103181195B (zh) * 2010-11-01 2015-09-02 日本电气株式会社 振荡装置和电子设备
WO2012118916A2 (en) 2011-03-01 2012-09-07 Bayer Materialscience Ag Automated manufacturing processes for producing deformable polymer devices and films
JP2014517331A (ja) 2011-03-22 2014-07-17 バイエル・インテレクチュアル・プロパティ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング 電場応答性高分子アクチュエータレンチキュラシステム
US9876160B2 (en) 2012-03-21 2018-01-23 Parker-Hannifin Corporation Roll-to-roll manufacturing processes for producing self-healing electroactive polymer devices
KR20150031285A (ko) 2012-06-18 2015-03-23 바이엘 인텔렉쳐 프로퍼티 게엠베하 연신 공정을 위한 연신 프레임
US9590193B2 (en) 2012-10-24 2017-03-07 Parker-Hannifin Corporation Polymer diode
WO2014143927A2 (en) 2013-03-15 2014-09-18 Emo Labs, Inc. Acoustic transducers
JP6005093B2 (ja) * 2013-03-28 2016-10-12 富士フイルム株式会社 電気音響変換フィルム、電気音響変換器、フレキシブルディスプレイおよびプロジェクター用スクリーン
USD733678S1 (en) 2013-12-27 2015-07-07 Emo Labs, Inc. Audio speaker
USD741835S1 (en) 2013-12-27 2015-10-27 Emo Labs, Inc. Speaker
USD748072S1 (en) 2014-03-14 2016-01-26 Emo Labs, Inc. Sound bar audio speaker
US9565493B2 (en) 2015-04-30 2017-02-07 Shure Acquisition Holdings, Inc. Array microphone system and method of assembling the same
USD784299S1 (en) * 2015-04-30 2017-04-18 Shure Acquisition Holdings, Inc. Array microphone assembly
US9554207B2 (en) 2015-04-30 2017-01-24 Shure Acquisition Holdings, Inc. Offset cartridge microphones
US10367948B2 (en) 2017-01-13 2019-07-30 Shure Acquisition Holdings, Inc. Post-mixing acoustic echo cancellation systems and methods
CN112335261B (zh) 2018-06-01 2023-07-18 舒尔获得控股公司 图案形成麦克风阵列
US11297423B2 (en) 2018-06-15 2022-04-05 Shure Acquisition Holdings, Inc. Endfire linear array microphone
US11310596B2 (en) 2018-09-20 2022-04-19 Shure Acquisition Holdings, Inc. Adjustable lobe shape for array microphones
US11558693B2 (en) 2019-03-21 2023-01-17 Shure Acquisition Holdings, Inc. Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition and voice activity detection functionality
JP7572964B2 (ja) 2019-03-21 2024-10-24 シュアー アクイジッション ホールディングス インコーポレイテッド 阻止機能を伴うビーム形成マイクロフォンローブの自動集束、領域内自動集束、および自動配置
US11303981B2 (en) 2019-03-21 2022-04-12 Shure Acquisition Holdings, Inc. Housings and associated design features for ceiling array microphones
TW202101422A (zh) 2019-05-23 2021-01-01 美商舒爾獲得控股公司 可操縱揚聲器陣列、系統及其方法
WO2020243471A1 (en) 2019-05-31 2020-12-03 Shure Acquisition Holdings, Inc. Low latency automixer integrated with voice and noise activity detection
CN114467312A (zh) 2019-08-23 2022-05-10 舒尔获得控股公司 具有改进方向性的二维麦克风阵列
USD943558S1 (en) 2019-11-01 2022-02-15 Shure Acquisition Holdings, Inc. Housing for ceiling array microphone
US12028678B2 (en) 2019-11-01 2024-07-02 Shure Acquisition Holdings, Inc. Proximity microphone
USD943559S1 (en) 2019-11-01 2022-02-15 Shure Acquisition Holdings, Inc. Housing for ceiling array microphone
US11552611B2 (en) 2020-02-07 2023-01-10 Shure Acquisition Holdings, Inc. System and method for automatic adjustment of reference gain
USD943552S1 (en) 2020-05-05 2022-02-15 Shure Acquisition Holdings, Inc. Audio device
USD944776S1 (en) 2020-05-05 2022-03-01 Shure Acquisition Holdings, Inc. Audio device
US11706562B2 (en) 2020-05-29 2023-07-18 Shure Acquisition Holdings, Inc. Transducer steering and configuration systems and methods using a local positioning system
JP7814400B2 (ja) 2021-01-28 2026-02-16 シュアー アクイジッション ホールディングス インコーポレイテッド ハイブリッドオーディオビーム形成システム
US12452584B2 (en) 2021-01-29 2025-10-21 Shure Acquisition Holdings, Inc. Scalable conferencing systems and methods
US12542123B2 (en) 2021-08-31 2026-02-03 Shure Acquisition Holdings, Inc. Mask non-linear processor for acoustic echo cancellation
US12289584B2 (en) 2021-10-04 2025-04-29 Shure Acquisition Holdings, Inc. Networked automixer systems and methods
EP4427465A1 (en) 2021-11-05 2024-09-11 Shure Acquisition Holdings, Inc. Distributed algorithm for automixing speech over wireless networks
US12250526B2 (en) 2022-01-07 2025-03-11 Shure Acquisition Holdings, Inc. Audio beamforming with nulling control system and methods
US12598261B2 (en) 2022-09-28 2026-04-07 Shure Acquisition Holdings, Inc. Wideband doubletalk detection for optimization of acoustic echo cancellation

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2912605A (en) * 1955-12-05 1959-11-10 Tibbetts Lab Inc Electromechanical transducer
JPS5215972B2 (enExample) * 1974-02-28 1977-05-06
US4430529A (en) * 1980-12-24 1984-02-07 Murata Manufacturing Co., Ltd. Piezoelectric loudspeaker
DE3135096A1 (de) * 1981-02-20 1982-09-09 Apparatebau Wilhelm Heibl Gmbh, 8671 Selbitz Schallgeber mit piezowandler
DE3407980A1 (de) * 1983-04-20 1984-10-25 Tadashi Tokio/Tokyo Sawafuji Kristallschallerzeuger
JPS61264894A (ja) * 1985-05-17 1986-11-22 Mitsubishi Petrochem Co Ltd 平面型スピ−カ−
US4807294A (en) * 1986-06-20 1989-02-21 Mitubishi Petrochemical Co., Ltd. Piezoelectric and foam resin sheet speaker
JPS633700U (enExample) * 1986-06-20 1988-01-11
JP2580547B2 (ja) * 1986-07-09 1997-02-12 株式会社村田製作所 圧電スピ−カ
US4820952A (en) * 1986-09-16 1989-04-11 Samsung Electro-Mechanics Co., Ltd. Film speaker using a piezo-electric element
JP2630948B2 (ja) * 1987-06-24 1997-07-16 日本特殊陶業株式会社 水中用圧電送受波シート
JPS6444699A (en) * 1987-08-13 1989-02-17 Nitsuko Ltd Piezoelectric speaker
DE3734524A1 (de) * 1987-10-13 1989-04-27 Voith Gmbh J M Lagerzapfen fuer einen hohlen walzenkoerper insbesondere fuer einen trockenzylinder einer papiermaschine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004028664A1 (de) * 2004-06-12 2006-01-19 Puren Gmbh Schwingungskörper eines Lautsprechersystems
DE102005033632A1 (de) * 2005-07-19 2007-02-08 Kurt Kojer Lautsprecher
DE102005033632B4 (de) * 2005-07-19 2009-08-20 Kurt Kojer Lautsprecher
DE102012201884A1 (de) * 2012-02-09 2013-08-14 Robert Bosch Gmbh Schallwandler

Also Published As

Publication number Publication date
US4969197A (en) 1990-11-06
DE3907540A1 (de) 1989-12-21
GB2219712A (en) 1989-12-13
GB2219712B (en) 1992-02-05
GB8904637D0 (en) 1989-04-12

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee