BR0002579A - Alto-falante piezoelétrico - Google Patents

Alto-falante piezoelétrico

Info

Publication number
BR0002579A
BR0002579A BR0002579-8A BR0002579A BR0002579A BR 0002579 A BR0002579 A BR 0002579A BR 0002579 A BR0002579 A BR 0002579A BR 0002579 A BR0002579 A BR 0002579A
Authority
BR
Brazil
Prior art keywords
diaphragm
piezoelectric speaker
piezoelectric
piezoelectric element
speaker
Prior art date
Application number
BR0002579-8A
Other languages
English (en)
Inventor
Jiro Nakazono
Shigeru Watanabe
Original Assignee
Pioneer Corp
Pioneer Tohoku Corp
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 Pioneer Corp, Pioneer Tohoku Corp filed Critical Pioneer Corp
Publication of BR0002579A publication Critical patent/BR0002579A/pt

Links

Landscapes

  • Piezo-Electric Transducers For Audible Bands (AREA)

Abstract

<B>"ALTO-FALANTE PIEZOELéTRICO"<D>. O alto-falante piezoelétrico (P1), inclui um elemento piezoelétrico (101) e um diafragma (1), que são individualmente e rigidamente suportados pelo quadro (102) e o elemento piezoelétrico (101) são acoplados e seguros pela parte central do diafragma (1), que é acionada para vibrar e, a vibração é transmitida para o diafragma (1), de forma que o diafragma (1) é vibrado para radiar um som que é fornecido.
BR0002579-8A 1999-06-11 2000-06-05 Alto-falante piezoelétrico BR0002579A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20212899A JP3794872B2 (ja) 1999-06-11 1999-06-11 圧電型スピーカ

Publications (1)

Publication Number Publication Date
BR0002579A true BR0002579A (pt) 2001-02-13

Family

ID=16452438

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0002579-8A BR0002579A (pt) 1999-06-11 2000-06-05 Alto-falante piezoelétrico

Country Status (3)

Country Link
JP (1) JP3794872B2 (pt)
CN (1) CN1135903C (pt)
BR (1) BR0002579A (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3871628B2 (ja) * 2002-08-13 2007-01-24 日本電信電話株式会社 電気音響変換器
CN101998216A (zh) * 2009-08-28 2011-03-30 友泰讯科(北京)科技有限公司 一种扬声器和便携式电子设备
CN102281488A (zh) * 2011-06-02 2011-12-14 广州市锐丰音响科技股份有限公司 一种双换能方式组合同轴全频扬声器
CN106792403A (zh) * 2017-01-09 2017-05-31 苏州攀特电陶科技股份有限公司 压电式喇叭
KR200493395Y1 (ko) * 2018-11-28 2021-03-22 아바테크 일렉트로닉스 컴퍼니 리미티드 고음 및 초고음 효과를 갖는 스피커 구조
CN113840217A (zh) * 2021-07-12 2021-12-24 天津大学 压电mems扬声系统

Also Published As

Publication number Publication date
JP2000354297A (ja) 2000-12-19
CN1135903C (zh) 2004-01-21
CN1277531A (zh) 2000-12-20
JP3794872B2 (ja) 2006-07-12

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Legal Events

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