JPS5934800A - 圧電形電気音響変換器 - Google Patents

圧電形電気音響変換器

Info

Publication number
JPS5934800A
JPS5934800A JP14416682A JP14416682A JPS5934800A JP S5934800 A JPS5934800 A JP S5934800A JP 14416682 A JP14416682 A JP 14416682A JP 14416682 A JP14416682 A JP 14416682A JP S5934800 A JPS5934800 A JP S5934800A
Authority
JP
Japan
Prior art keywords
outer diameter
piezoelectric element
conductive layer
resonance frequency
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
JP14416682A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0315400B2 (cg-RX-API-DMAC7.html
Inventor
Mizuhiro Hida
飛田　瑞広
Yutaka Ichinose
一ノ瀬　裕
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP14416682A priority Critical patent/JPS5934800A/ja
Publication of JPS5934800A publication Critical patent/JPS5934800A/ja
Publication of JPH0315400B2 publication Critical patent/JPH0315400B2/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
JP14416682A 1982-08-20 1982-08-20 圧電形電気音響変換器 Granted JPS5934800A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14416682A JPS5934800A (ja) 1982-08-20 1982-08-20 圧電形電気音響変換器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14416682A JPS5934800A (ja) 1982-08-20 1982-08-20 圧電形電気音響変換器

Publications (2)

Publication Number Publication Date
JPS5934800A true JPS5934800A (ja) 1984-02-25
JPH0315400B2 JPH0315400B2 (cg-RX-API-DMAC7.html) 1991-02-28

Family

ID=15355730

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14416682A Granted JPS5934800A (ja) 1982-08-20 1982-08-20 圧電形電気音響変換器

Country Status (1)

Country Link
JP (1) JPS5934800A (cg-RX-API-DMAC7.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5838805A (en) * 1995-11-06 1998-11-17 Noise Cancellation Technologies, Inc. Piezoelectric transducers
WO2013121477A1 (ja) 2012-02-17 2013-08-22 Ｎｅｃカシオモバイルコミュニケーションズ株式会社 圧電型電気音響変換装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007093849A (ja) * 2005-09-28 2007-04-12 Sanyo Epson Imaging Devices Corp 液晶装置及び電子機器

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5838805A (en) * 1995-11-06 1998-11-17 Noise Cancellation Technologies, Inc. Piezoelectric transducers
EP0872158A4 (en) * 1995-11-06 1999-08-18 Noise Cancellation Tech PIEZOELECTRIC CONVERTER
WO2013121477A1 (ja) 2012-02-17 2013-08-22 Ｎｅｃカシオモバイルコミュニケーションズ株式会社 圧電型電気音響変換装置

Also Published As

Publication number Publication date
JPH0315400B2 (cg-RX-API-DMAC7.html) 1991-02-28

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