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

Info

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
Authority
JP
Japan
Prior art keywords
diaphragm
piezoelectric
speaker
electrostrictive element
plate portion
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 - Fee Related
Application number
JP2006241595A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007104650A5 (enrdf_load_stackoverflow
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
Original Assignee
NGK Insulators 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
Application filed by NGK Insulators Ltd filed Critical NGK Insulators Ltd
Priority to JP2006241595A priority Critical patent/JP4597105B2/ja
Publication of JP2007104650A publication Critical patent/JP2007104650A/ja
Publication of JP2007104650A5 publication Critical patent/JP2007104650A5/ja
Application granted granted Critical
Publication of JP4597105B2 publication Critical patent/JP4597105B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Transducers For Ultrasonic Waves (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (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)

Publication Number Publication Date
JP2007104650A JP2007104650A (ja) 2007-04-19
JP2007104650A5 JP2007104650A5 (enrdf_load_stackoverflow) 2008-07-03
JP4597105B2 true JP4597105B2 (ja) 2010-12-15

Family

ID=38031081

Family Applications (1)

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

Country Status (1)

Country Link
JP (1) JP4597105B2 (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2490822B (en) * 2008-07-11 2013-02-27 Brain Basket Llc Magnetostrictive auditory system
WO2013042316A1 (ja) * 2011-09-22 2013-03-28 パナソニック株式会社 指向性スピーカ
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
KR20220081731A (ko) * 2020-12-09 2022-06-16 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 (enrdf_load_stackoverflow) * 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

Similar Documents

Publication Publication Date Title
US6741710B1 (en) Piezoelectric electroacoustic transducer
KR100408609B1 (ko) 압전형 전기 음향 변환기
CN100470867C (zh) 压电陶瓷换能器及便携式设备
US9636709B2 (en) Ultrasonic generation device
JP5939160B2 (ja) 発振装置および電子機器
KR100596518B1 (ko) 압전형 전기 음향 변환기
CN1304275A (zh) 压电声学部件及其制造方法
JP4597105B2 (ja) スピーカ及び電力発生装置
JP3714128B2 (ja) 圧電型電気音響変換器
JP5934303B2 (ja) 音響発生器、音響発生装置及び電子機器
JP2003023696A (ja) 圧電型電気音響変換器
CN1843058B (zh) 压电电声换能器
JP5960828B2 (ja) 音響発生器、音響発生装置および電子機器
JP3669431B2 (ja) 圧電型電気音響変換器
CN103181196A (zh) 电子设备
JP6304168B2 (ja) 圧電モジュール
CN104054356A (zh) 音响发生器、音响发生装置以及电子设备
US9654880B2 (en) Sound generator and electronic device using the same
JP2011182299A (ja) Ｍｅｍｓトランスデューサとその製造方法
EP2590435A1 (en) Vibration device
JP2005260623A (ja) 圧電型電気音響変換器
JP5516180B2 (ja) 発振装置及び電子機器
JP2011250343A (ja) 高分子アクチュエータおよび電気音響変換器および電子機器
JP5659598B2 (ja) 発振装置
JP2013192175A (ja) 音響発生装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080519

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20080519

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20100610

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20100615

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100726

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20100921

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20100921

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20131001

Year of fee payment: 3

LAPS Cancellation because of no payment of annual fees