TW200746867A - Piezoelectric speaker - Google Patents

Piezoelectric speaker

Info

Publication number
TW200746867A
TW200746867A TW095145047A TW95145047A TW200746867A TW 200746867 A TW200746867 A TW 200746867A TW 095145047 A TW095145047 A TW 095145047A TW 95145047 A TW95145047 A TW 95145047A TW 200746867 A TW200746867 A TW 200746867A
Authority
TW
Taiwan
Prior art keywords
speaker
actuated
membrane
sound
actuating layer
Prior art date
Application number
TW095145047A
Other languages
English (en)
Inventor
Edwin Ruiter
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of TW200746867A publication Critical patent/TW200746867A/zh

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion
TW095145047A 2005-12-07 2006-12-04 Piezoelectric speaker TW200746867A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05111791 2005-12-07

Publications (1)

Publication Number Publication Date
TW200746867A true TW200746867A (en) 2007-12-16

Family

ID=37963792

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095145047A TW200746867A (en) 2005-12-07 2006-12-04 Piezoelectric speaker

Country Status (5)

Country Link
US (1) US20100086151A1 (zh)
JP (1) JP2009518922A (zh)
CN (1) CN101385390A (zh)
TW (1) TW200746867A (zh)
WO (1) WO2007066262A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI387360B (zh) * 2008-12-26 2013-02-21 Acer Inc 揚聲器

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KR101141141B1 (ko) 2008-12-17 2012-05-02 한국전자통신연구원 압전형 스피커 시스템
JP5483601B2 (ja) * 2009-01-27 2014-05-07 国立大学法人名古屋大学 膜張力測定装置
USRE48797E1 (en) 2009-03-25 2021-10-26 Cochlear Limited Bone conduction device having a multilayer piezoelectric element
DE102009014770A1 (de) * 2009-03-25 2010-09-30 Cochlear Ltd., Lane Cove Schwingungserzeuger
KR101561663B1 (ko) * 2009-08-31 2015-10-21 삼성전자주식회사 피스톤 다이어프램을 가진 압전형 마이크로 스피커 및 그 제조 방법
CN102111702B (zh) * 2009-12-24 2014-02-19 精拓丽音科技（北京）有限公司 一种陶瓷片呈分布式排列的压电平板扬声器
US8907733B2 (en) 2010-07-23 2014-12-09 Nec Corporation Oscillator
US8855705B2 (en) * 2010-08-05 2014-10-07 Blackberry Limited Electronic device including actuator for providing tactile output
US8914075B2 (en) 2010-09-17 2014-12-16 Blackberry Limited Electronic device including actuator and method of controlling same for providing tactile output
CN102026075B (zh) * 2010-12-21 2014-06-04 瑞声声学科技(深圳)有限公司 振动扬声器
CN103037271B (zh) * 2011-09-30 2016-08-17 苏州恒听电子有限公司 用于微型扬声器装置的传声管装置
DE102015209234A1 (de) * 2015-05-20 2016-11-24 Robert Bosch Gmbh Vorrichtung zum Aussenden und/oder Empfangen akustischer Signale
US10440477B2 (en) * 2016-01-22 2019-10-08 Glauk S.R.L. Method and apparatus for playing audio by means of planar accoustic transducers
DE102016115260B3 (de) 2016-08-17 2018-02-08 Infineon Technologies Ag Schallwellensensor
US10356523B2 (en) 2017-12-13 2019-07-16 Nvf Tech Ltd Distributed mode loudspeaker actuator including patterned electrodes
US10476461B2 (en) * 2017-12-20 2019-11-12 Nvf Tech Ltd Active distributed mode actuator
US10477321B2 (en) * 2018-03-05 2019-11-12 Google Llc Driving distributed mode loudspeaker actuator that includes patterned electrodes
CN112637748B (zh) * 2020-12-22 2022-04-26 上海交通大学 双环形环绕圆形振动膜的压电mems扬声器及制备方法
WO2023283784A1 (zh) * 2021-07-12 2023-01-19 天津大学 压电mems扬声系统
CN117157997A (zh) * 2022-04-01 2023-12-01 深圳市韶音科技有限公司 一种声学设备
WO2024009658A1 (ja) * 2022-07-08 2024-01-11 富士フイルム株式会社 電気音響変換器

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Publication number Priority date Publication date Assignee Title
US3749855A (en) * 1969-01-09 1973-07-31 Motorola Inc Resistive electrode for an electrostrictive transducer
JPH05122793A (ja) * 1991-10-25 1993-05-18 Murata Mfg Co Ltd 圧電スピーカ
JPH07107592A (ja) * 1993-09-29 1995-04-21 Seikosha Co Ltd 発光スピーカ装置
JPH09327094A (ja) * 1996-06-05 1997-12-16 Murata Mfg Co Ltd 圧電スピーカ
US6246158B1 (en) * 1999-06-24 2001-06-12 Sensant Corporation Microfabricated transducers formed over other circuit components on an integrated circuit chip and methods for making the same
US7608989B2 (en) * 1999-07-20 2009-10-27 Sri International Compliant electroactive polymer transducers for sonic applications
US20020015507A1 (en) * 2000-05-31 2002-02-07 Neil Harris Loudspeaker
JP2002152880A (ja) * 2000-08-28 2002-05-24 Nippon Columbia Co Ltd 音楽鑑賞用椅子
US6978032B2 (en) * 2001-11-29 2005-12-20 Matsushita Electric Industrial Co., Ltd. Piezoelectric speaker
JP2003244791A (ja) * 2002-02-14 2003-08-29 Pioneer Electronic Corp 圧電フィルムスピーカ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI387360B (zh) * 2008-12-26 2013-02-21 Acer Inc 揚聲器

Also Published As

Publication number Publication date
JP2009518922A (ja) 2009-05-07
CN101385390A (zh) 2009-03-11
WO2007066262A1 (en) 2007-06-14
US20100086151A1 (en) 2010-04-08

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