DK1422970T3 - Piezoelektrisk transducer - Google Patents

Piezoelektrisk transducer

Info

Publication number
DK1422970T3
DK1422970T3 DK03078135T DK03078135T DK1422970T3 DK 1422970 T3 DK1422970 T3 DK 1422970T3 DK 03078135 T DK03078135 T DK 03078135T DK 03078135 T DK03078135 T DK 03078135T DK 1422970 T3 DK1422970 T3 DK 1422970T3
Authority
DK
Denmark
Prior art keywords
piezoelectric transducer
membrane
multipart
piezo
reproducing
Prior art date
Application number
DK03078135T
Other languages
English (en)
Inventor
Hugo Michiels
Original Assignee
Sonitron 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 Sonitron Nv filed Critical Sonitron Nv
Application granted granted Critical
Publication of DK1422970T3 publication Critical patent/DK1422970T3/da

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
    • H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R17/08—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously
    • 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)
  • Electrophonic Musical Instruments (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Surgical Instruments (AREA)
DK03078135T 2002-10-21 2003-10-03 Piezoelektrisk transducer DK1422970T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE2002/0601A BE1015150A3 (nl) 2002-10-21 2002-10-21 Verbeterde transducent

Publications (1)

Publication Number Publication Date
DK1422970T3 true DK1422970T3 (da) 2008-12-01

Family

ID=32097282

Family Applications (1)

Application Number Title Priority Date Filing Date
DK03078135T DK1422970T3 (da) 2002-10-21 2003-10-03 Piezoelektrisk transducer

Country Status (12)

Country Link
US (1) US7596235B2 (da)
EP (1) EP1422970B1 (da)
JP (1) JP2004147319A (da)
KR (1) KR100817384B1 (da)
CN (1) CN1512481A (da)
AT (1) ATE405129T1 (da)
BE (1) BE1015150A3 (da)
DE (1) DE60322820D1 (da)
DK (1) DK1422970T3 (da)
ES (1) ES2312720T3 (da)
PT (1) PT1422970E (da)
SI (1) SI1422970T1 (da)

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JP2009516460A (ja) * 2005-11-14 2009-04-16 エヌエックスピー ビー ヴィ 圧電スピーカ及び非対称スピーカの非対称可動システム
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US20150162523A1 (en) * 2013-12-06 2015-06-11 Murata Manufacturing Co., Ltd. Piezoelectric device
KR102250185B1 (ko) * 2014-01-29 2021-05-10 삼성전자주식회사 전기 음향 변환기
CN103886855A (zh) * 2014-03-13 2014-06-25 广州市番禺奥迪威电子有限公司 一种低频蜂鸣器
TWI533714B (zh) 2014-04-18 2016-05-11 財團法人工業技術研究院 壓電電聲換能器
JP6418962B2 (ja) * 2015-01-28 2018-11-07 京セラ株式会社 積層型圧電素子、音響発生器、音響発生装置及び電子機器
WO2017054751A1 (en) * 2015-09-29 2017-04-06 Sound Solutions International Co., Ltd. Stiffening plate for acoustic membrane and method of manufacturing same
KR102370183B1 (ko) 2017-07-12 2022-03-03 엘지디스플레이 주식회사 표시장치
JP6981178B2 (ja) * 2017-11-01 2021-12-15 ヤマハ株式会社 トランスデューサ
BR112022012943A2 (pt) * 2020-01-17 2022-09-13 Shenzhen Shokz Co Ltd Microfone e dispositivo eletrônico contendo o mesmo
WO2021143548A1 (zh) 2020-01-17 2021-07-22 深圳市韶音科技有限公司 一种骨传导麦克风
CN113727239A (zh) * 2021-09-28 2021-11-30 瑞声开泰科技(武汉)有限公司 扬声器

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Also Published As

Publication number Publication date
CN1512481A (zh) 2004-07-14
DE60322820D1 (de) 2008-09-25
EP1422970A2 (en) 2004-05-26
US7596235B2 (en) 2009-09-29
JP2004147319A (ja) 2004-05-20
ATE405129T1 (de) 2008-08-15
BE1015150A3 (nl) 2004-10-05
KR20040034489A (ko) 2004-04-28
PT1422970E (pt) 2008-11-18
SI1422970T1 (sl) 2008-12-31
US20040081326A1 (en) 2004-04-29
KR100817384B1 (ko) 2008-03-27
ES2312720T3 (es) 2009-03-01
EP1422970A3 (en) 2005-07-20
EP1422970B1 (en) 2008-08-13

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