JPS61252798A - 平面型スピ−カ - Google Patents

平面型スピ−カ

Info

Publication number
JPS61252798A
JPS61252798A JP9340285A JP9340285A JPS61252798A JP S61252798 A JPS61252798 A JP S61252798A JP 9340285 A JP9340285 A JP 9340285A JP 9340285 A JP9340285 A JP 9340285A JP S61252798 A JPS61252798 A JP S61252798A
Authority
JP
Japan
Prior art keywords
vibrating membrane
membrane
plane
diaphragm
piezoelectric
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.)
Granted
Application number
JP9340285A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0428200B2 (enrdf_load_stackoverflow
Inventor
Akira Hamada
浜田　章
Hisao Takahashi
久男 高橋
Keiichi Ohira
大平　敬一
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.)
Kureha Corp
Original Assignee
Kureha 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 Kureha Corp filed Critical Kureha Corp
Priority to JP9340285A priority Critical patent/JPS61252798A/ja
Publication of JPS61252798A publication Critical patent/JPS61252798A/ja
Publication of JPH0428200B2 publication Critical patent/JPH0428200B2/ja
Granted legal-status Critical Current

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
    • H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
JP9340285A 1985-04-30 1985-04-30 平面型スピ−カ Granted JPS61252798A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9340285A JPS61252798A (ja) 1985-04-30 1985-04-30 平面型スピ−カ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9340285A JPS61252798A (ja) 1985-04-30 1985-04-30 平面型スピ−カ

Publications (2)

Publication Number Publication Date
JPS61252798A true JPS61252798A (ja) 1986-11-10
JPH0428200B2 JPH0428200B2 (enrdf_load_stackoverflow) 1992-05-13

Family

ID=14081303

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9340285A Granted JPS61252798A (ja) 1985-04-30 1985-04-30 平面型スピ−カ

Country Status (1)

Country Link
JP (1) JPS61252798A (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02141200A (ja) * 1988-11-22 1990-05-30 Iwatsu Electric Co Ltd 圧電型電気音響変換器
JPH03123996A (ja) * 1989-10-07 1991-05-27 Mitsuyoshi Kikuchi 忘れ物防止機
FR2920013A1 (fr) * 2007-08-16 2009-02-20 Renault Sas Element de vehicule automobile comportant des moyens de generation de vibrations audibles et procede de fabrication d'un tel element
WO2012132262A1 (ja) * 2011-03-31 2012-10-04 Ｎｅｃカシオモバイルコミュニケーションズ株式会社 発振装置
WO2013047872A1 (ja) * 2011-09-30 2013-04-04 富士フイルム株式会社 電気音響変換器および表示デバイス
WO2020090562A1 (ja) * 2018-10-31 2020-05-07 正毅 千葉 誘電エラストマートランスデューサー

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5140852U (enrdf_load_stackoverflow) * 1974-09-20 1976-03-26
JPS5220295U (enrdf_load_stackoverflow) * 1975-07-30 1977-02-14

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5140852U (enrdf_load_stackoverflow) * 1974-09-20 1976-03-26
JPS5220295U (enrdf_load_stackoverflow) * 1975-07-30 1977-02-14

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02141200A (ja) * 1988-11-22 1990-05-30 Iwatsu Electric Co Ltd 圧電型電気音響変換器
JPH03123996A (ja) * 1989-10-07 1991-05-27 Mitsuyoshi Kikuchi 忘れ物防止機
FR2920013A1 (fr) * 2007-08-16 2009-02-20 Renault Sas Element de vehicule automobile comportant des moyens de generation de vibrations audibles et procede de fabrication d'un tel element
WO2012132262A1 (ja) * 2011-03-31 2012-10-04 Ｎｅｃカシオモバイルコミュニケーションズ株式会社 発振装置
US9093953B2 (en) 2011-03-31 2015-07-28 Nec Casio Mobile Communications, Ltd. Oscillator
JP5958463B2 (ja) * 2011-03-31 2016-08-02 日本電気株式会社 発振装置
WO2013047872A1 (ja) * 2011-09-30 2013-04-04 富士フイルム株式会社 電気音響変換器および表示デバイス
JP2014241628A (ja) * 2011-09-30 2014-12-25 富士フイルム株式会社 電気音響変換器および表示デバイス
WO2020090562A1 (ja) * 2018-10-31 2020-05-07 正毅 千葉 誘電エラストマートランスデューサー
JPWO2020090562A1 (ja) * 2018-10-31 2021-09-30 正毅 千葉 誘電エラストマートランスデューサー

Also Published As

Publication number Publication date
JPH0428200B2 (enrdf_load_stackoverflow) 1992-05-13

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