JP4597105B2 - スピーカ及び電力発生装置 - Google Patents

スピーカ及び電力発生装置 Download PDF

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Publication number
JP4597105B2
JP4597105B2 JP2006241595A JP2006241595A JP4597105B2 JP 4597105 B2 JP4597105 B2 JP 4597105B2 JP 2006241595 A JP2006241595 A JP 2006241595A JP 2006241595 A JP2006241595 A JP 2006241595A JP 4597105 B2 JP4597105 B2 JP 4597105B2
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Japan
Prior art keywords
diaphragm
piezoelectric
speaker
electrostrictive element
plate portion
Prior art date
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Expired - Fee Related
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JP2006241595A
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English (en)
Japanese (ja)
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JP2007104650A5 (enExample
JP2007104650A (ja
Inventor
史武 高橋
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.)
NGK Insulators Ltd
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NGK Insulators Ltd
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Publication date
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Priority to JP2006241595A priority Critical patent/JP4597105B2/ja
Publication of JP2007104650A publication Critical patent/JP2007104650A/ja
Publication of JP2007104650A5 publication Critical patent/JP2007104650A5/ja
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Publication of JP4597105B2 publication Critical patent/JP4597105B2/ja
Expired - Fee Related legal-status Critical Current
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  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP2006241595A 2005-09-12 2006-09-06 スピーカ及び電力発生装置 Expired - Fee Related JP4597105B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2006241595A JP4597105B2 (ja) 2005-09-12 2006-09-06 スピーカ及び電力発生装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005264010 2005-09-12
JP2006241595A JP4597105B2 (ja) 2005-09-12 2006-09-06 スピーカ及び電力発生装置

Publications (3)

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JP2007104650A JP2007104650A (ja) 2007-04-19
JP2007104650A5 JP2007104650A5 (enExample) 2008-07-03
JP4597105B2 true JP4597105B2 (ja) 2010-12-15

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ID=38031081

Family Applications (1)

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JP2006241595A Expired - Fee Related JP4597105B2 (ja) 2005-09-12 2006-09-06 スピーカ及び電力発生装置

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JP (1) JP4597105B2 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8363862B2 (en) * 2008-07-11 2013-01-29 Brain Basket, LLC Magnetostrictive auditory system
CN103814586B (zh) 2011-09-22 2016-10-26 松下知识产权经营株式会社 指向性扬声器
JP7298212B2 (ja) * 2019-03-15 2023-06-27 セイコーエプソン株式会社 超音波デバイス、超音波装置
US12114117B2 (en) * 2020-12-09 2024-10-08 Lg Display Co., Ltd. Apparatus including vibration member to generate sound and vibration for enhancing sound characteristic and sound pressure level characteristic
KR102867807B1 (ko) * 2020-12-09 2025-10-01 엘지디스플레이 주식회사 장치

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5725794A (en) * 1980-07-24 1982-02-10 Nippon Telegr & Teleph Corp <Ntt> Sound generator and sound receiver
JPH043698A (ja) * 1990-04-20 1992-01-08 Matsushita Electric Ind Co Ltd ステレオ装置
JPH0492899U (enExample) * 1990-12-28 1992-08-12
JP3318687B2 (ja) * 1993-06-08 2002-08-26 日本碍子株式会社 圧電／電歪膜型素子及びその製造方法
JP2000013893A (ja) * 1998-06-25 2000-01-14 Aiphone Co Ltd 圧電サウンダ
JP2003158787A (ja) * 2001-11-20 2003-05-30 Matsushita Electric Ind Co Ltd スピーカおよびこれを用いたスピーカモジュールおよびこれを用いた電子機器
JP3903936B2 (ja) * 2002-03-18 2007-04-11 セイコーエプソン株式会社 圧電素子、圧電アクチュエータ、及び、液体噴射ヘッド

Also Published As

Publication number Publication date
JP2007104650A (ja) 2007-04-19

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