JPH0315400B2 - - Google Patents

Info

Publication number
JPH0315400B2
JPH0315400B2 JP14416682A JP14416682A JPH0315400B2 JP H0315400 B2 JPH0315400 B2 JP H0315400B2 JP 14416682 A JP14416682 A JP 14416682A JP 14416682 A JP14416682 A JP 14416682A JP H0315400 B2 JPH0315400 B2 JP H0315400B2
Authority
JP
Japan
Prior art keywords
conductive layer
disc
piezoelectric
piezoelectric element
resonance frequency
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
Application number
JP14416682A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5934800A (ja
Inventor
Mizuhiro Hida
Yutaka Ichinose
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.)
Nippon Telegraph and Telephone Corp
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 JPS5934800A (ja) 1984-02-25
JPH0315400B2 true JPH0315400B2 (ko) 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 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100890998B1 (ko) * 2005-09-28 2009-03-31 엡슨 이미징 디바이스 가부시키가이샤 액정 장치 및 전자기기

Families Citing this family (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
EP2816821B1 (en) 2012-02-17 2017-02-22 NEC Corporation Piezoelectric-type electroacoustic conversion device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100890998B1 (ko) * 2005-09-28 2009-03-31 엡슨 이미징 디바이스 가부시키가이샤 액정 장치 및 전자기기

Also Published As

Publication number Publication date
JPS5934800A (ja) 1984-02-25

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