GB2219712B - Piezoelectric speaker - Google Patents

Piezoelectric speaker

Info

Publication number
GB2219712B
GB2219712B GB8904637A GB8904637A GB2219712B GB 2219712 B GB2219712 B GB 2219712B GB 8904637 A GB8904637 A GB 8904637A GB 8904637 A GB8904637 A GB 8904637A GB 2219712 B GB2219712 B GB 2219712B
Authority
GB
United Kingdom
Prior art keywords
piezoelectric speaker
piezoelectric
speaker
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
GB8904637A
Other languages
English (en)
Other versions
GB8904637D0 (en
GB2219712A (en
Inventor
Tadashi 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 GB8904637D0 publication Critical patent/GB8904637D0/en
Publication of GB2219712A publication Critical patent/GB2219712A/en
Application granted granted Critical
Publication of GB2219712B publication Critical patent/GB2219712B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
GB8904637A 1988-06-10 1989-03-01 Piezoelectric speaker Expired - Lifetime GB2219712B (en)

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 (3)

Publication Number Publication Date
GB8904637D0 GB8904637D0 (en) 1989-04-12
GB2219712A GB2219712A (en) 1989-12-13
GB2219712B true GB2219712B (en) 1992-02-05

Family

ID=27318731

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8904637A Expired - Lifetime GB2219712B (en) 1988-06-10 1989-03-01 Piezoelectric speaker

Country Status (3)

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

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
JP3763848B2 (ja) 1995-09-02 2006-04-05 ニュー トランスデューサーズ リミテッド 音響装置
US6285770B1 (en) 1995-09-02 2001-09-04 New Transducers Limited Noticeboards incorporating loudspeakers
US6304661B1 (en) 1995-09-02 2001-10-16 New Transducers Limited Loudspeakers comprising panel-form acoustic radiating elements
DE69602102T2 (de) * 1995-09-02 1999-09-16 New Transducers Ltd., Huntingdon Inertial schwingungswandler
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
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
JP2001507186A (ja) * 1996-12-20 2001-05-29 エヌシーティー グループ インコーポレーテッド 電気音響変換器
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
WO1998035529A2 (en) * 1997-02-07 1998-08-13 Sri International Elastomeric dielectric polymer film sonic actuator
US7320457B2 (en) * 1997-02-07 2008-01-22 Sri International Electroactive polymer devices for controlling fluid flow
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
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
DE19757098C2 (de) * 1997-12-20 2003-01-09 Harman Audio Electronic Sys Aufhängung für Schallwiedergabeanordnungen nach dem Biegewellenprinzip
DE19757097B4 (de) * 1997-12-20 2004-04-15 Harman Audio Electronic Systems Gmbh Schallwiedergabeanordnung
US6453050B1 (en) 1998-05-11 2002-09-17 Matsushita Electric Industrial Co., Ltd. Piezoelectric speaker, method for producing the same, and speaker system including the same
DE19821862A1 (de) * 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Schallwiedergabeanordnung
DE19825866A1 (de) 1998-06-10 1999-12-16 Nokia Deutschland Gmbh Plattenlautsprecher
US6181797B1 (en) 1999-01-09 2001-01-30 Noise Cancellation Technologies, Inc. Piezo speaker for improved passenger cabin audio systems
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
WO2001052400A1 (en) * 2000-01-07 2001-07-19 Arthur D. Little Enterprises, Inc. 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
WO2001063738A2 (en) * 2000-02-23 2001-08-30 Sri International Electroactive polymer thermal electric generators
EP2290721B1 (en) * 2000-02-23 2017-09-20 SRI International Environmentally 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
WO2003081762A1 (en) * 2002-03-18 2003-10-02 Sri International Electroactive polymer devices for moving fluid
GB0221503D0 (en) * 2002-09-17 2002-10-23 1 Ltd Loudspeaker
GB0321292D0 (en) * 2003-09-11 2003-10-15 New Transducers Ltd Transducer
US7475598B2 (en) * 2003-09-11 2009-01-13 New Transducers Limited Electromechanical force transducer
DE102004028664A1 (de) * 2004-06-12 2006-01-19 Puren Gmbh Schwingungskörper eines Lautsprechersystems
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
CA2610483A1 (en) * 2005-05-31 2006-12-07 Emo Labs, Inc. Diaphragm membrane and supporting structure responsive to environmental conditions
DE102005033632B4 (de) * 2005-07-19 2009-08-20 Kurt Kojer Lautsprecher
KR20100053536A (ko) 2007-06-29 2010-05-20 아트피셜 머슬, 인코퍼레이션 감각적 피드백을 부여하는 전기활성 고분자 변환기
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
CN102959988B (zh) 2010-06-25 2016-01-20 京瓷株式会社 音响发生器
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
KR20140008416A (ko) 2011-03-01 2014-01-21 바이엘 인텔렉쳐 프로퍼티 게엠베하 변형가능한 중합체 장치 및 필름을 제조하기 위한 자동화 제조 방법
KR20140019801A (ko) 2011-03-22 2014-02-17 바이엘 인텔렉쳐 프로퍼티 게엠베하 전기활성 중합체 작동기 렌티큘라 시스템
DE102012201884A1 (de) * 2012-02-09 2013-08-14 Robert Bosch Gmbh Schallwandler
WO2013142552A1 (en) 2012-03-21 2013-09-26 Bayer Materialscience Ag Roll-to-roll manufacturing processes for producing self-healing electroactive polymer devices
US9761790B2 (en) 2012-06-18 2017-09-12 Parker-Hannifin Corporation Stretch frame for stretching process
US9590193B2 (en) 2012-10-24 2017-03-07 Parker-Hannifin Corporation Polymer diode
WO2014143723A2 (en) 2013-03-15 2014-09-18 Emo Labs, Inc. Acoustic transducers
WO2014157351A1 (ja) * 2013-03-28 2014-10-02 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
USD741835S1 (en) 2013-12-27 2015-10-27 Emo Labs, Inc. Speaker
USD733678S1 (en) 2013-12-27 2015-07-07 Emo Labs, Inc. Audio 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
WO2020061353A1 (en) 2018-09-20 2020-03-26 Shure Acquisition Holdings, Inc. Adjustable lobe shape for array microphones
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
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
WO2020191354A1 (en) 2019-03-21 2020-09-24 Shure Acquisition Holdings, Inc. Housings and associated design features for ceiling array microphones
US11445294B2 (en) 2019-05-23 2022-09-13 Shure Acquisition Holdings, Inc. Steerable speaker array, system, and method for the same
US11302347B2 (en) 2019-05-31 2022-04-12 Shure Acquisition Holdings, Inc. Low latency automixer integrated with voice and noise activity detection
JP7630495B2 (ja) 2019-08-23 2025-02-17 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 指向性が改善された一次元アレイマイクロホン
USD943559S1 (en) 2019-11-01 2022-02-15 Shure Acquisition Holdings, Inc. Housing for ceiling array microphone
WO2021087377A1 (en) 2019-11-01 2021-05-06 Shure Acquisition Holdings, Inc. Proximity microphone
USD943558S1 (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
USD944776S1 (en) 2020-05-05 2022-03-01 Shure Acquisition Holdings, Inc. Audio device
USD943552S1 (en) 2020-05-05 2022-02-15 Shure Acquisition Holdings, Inc. Audio device
WO2021243368A2 (en) 2020-05-29 2021-12-02 Shure Acquisition Holdings, Inc. Transducer steering and configuration systems and methods using a local positioning system
JP2024505068A (ja) 2021-01-28 2024-02-02 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
CN118216161A (zh) 2021-10-04 2024-06-18 舒尔获得控股公司 联网自动混合器系统及方法
US12250526B2 (en) 2022-01-07 2025-03-11 Shure Acquisition Holdings, Inc. Audio beamforming with nulling control system and methods

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−
JPS633700U (enExample) * 1986-06-20 1988-01-11
US4807294A (en) * 1986-06-20 1989-02-21 Mitubishi Petrochemical Co., Ltd. Piezoelectric and foam resin sheet speaker
JP2580547B2 (ja) * 1986-07-09 1997-02-12 株式会社村田製作所 圧電スピ−カ
DE3731132A1 (de) * 1986-09-16 1988-03-24 Samsung Electro Mech Filmmembran-lautsprecher
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

Also Published As

Publication number Publication date
GB8904637D0 (en) 1989-04-12
GB2219712A (en) 1989-12-13
DE3907540A1 (de) 1989-12-21
US4969197A (en) 1990-11-06
DE3907540C2 (enExample) 1993-06-24

Similar Documents

Publication Publication Date Title
GB2219712B (en) Piezoelectric speaker
GB2220819B (en) Electroacoustic transducer
GB2252825B (en) Vibrating transducers
GB2200814B (en) Microphone
GB2230159B (en) Piezoelectric transducer
GB2215840B (en) Transducer
EP0421286A3 (en) Piezoelectric transducer
GB8902887D0 (en) Speaker assembly
GB2215049B (en) Acoustic devices
GB8823245D0 (en) Flextensional transducer
GB2229924B (en) Phacoemulsification transducer
GB8809757D0 (en) Transducer
GB8921990D0 (en) Piezoelectric transducer
GB2212616B (en) Piezo-electric transducers
SU1592957A1 (ru) Пьeзoэлektpичeckий mиkpoфoh
GB8430110D0 (en) Piezoelectric speaker
GB2220116B (en) Microphone
GB8822490D0 (en) Transducers
KR890006692Y1 (en) Piezo speaker
GB8805714D0 (en) Acoustic devices
GB8727343D0 (en) Speaker
EP0416487A3 (en) Sound transducer
PL274885A2 (en) Acoustic amplifier
GB8825672D0 (en) Piezoelectric transducer
CA58573S (en) Microphone

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080301