JPS58108897A - 圧電型スピ−カ - Google Patents

圧電型スピ−カ

Info

Publication number
JPS58108897A
JPS58108897A JP20894881A JP20894881A JPS58108897A JP S58108897 A JPS58108897 A JP S58108897A JP 20894881 A JP20894881 A JP 20894881A JP 20894881 A JP20894881 A JP 20894881A JP S58108897 A JPS58108897 A JP S58108897A
Authority
JP
Japan
Prior art keywords
piezoelectric
diaphragm
piezoelectric element
piezoelectric elements
center
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
JP20894881A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6237600B2 (mo
Inventor
Tokimasa Miyake
三宅　晨允
Eiji Morikawa
森川　英次
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.)
Sanyo Electric Co Ltd
Sanyo Denki Co Ltd
Original Assignee
Sanyo Electric Co Ltd
Sanyo Denki Co 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 Sanyo Electric Co Ltd, Sanyo Denki Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP20894881A priority Critical patent/JPS58108897A/ja
Publication of JPS58108897A publication Critical patent/JPS58108897A/ja
Publication of JPS6237600B2 publication Critical patent/JPS6237600B2/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; ELECTRIC HEARING AIDS; 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)
JP20894881A 1981-12-22 1981-12-22 圧電型スピ−カ Granted JPS58108897A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20894881A JPS58108897A (ja) 1981-12-22 1981-12-22 圧電型スピ−カ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20894881A JPS58108897A (ja) 1981-12-22 1981-12-22 圧電型スピ−カ

Publications (2)

Publication Number Publication Date
JPS58108897A true JPS58108897A (ja) 1983-06-29
JPS6237600B2 JPS6237600B2 (mo) 1987-08-13

Family

ID=16564788

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20894881A Granted JPS58108897A (ja) 1981-12-22 1981-12-22 圧電型スピ−カ

Country Status (1)

Country Link
JP (1) JPS58108897A (mo)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01135300A (ja) * 1987-11-20 1989-05-26 Kaitou Seisakusho:Kk 圧電スピーカ
JPH0260399U (mo) * 1988-10-27 1990-05-02
US4996713A (en) * 1989-09-25 1991-02-26 S. Eletro-Acustica S.A. Electroacoustic piezoelectric transducer having a broad operating range

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01135300A (ja) * 1987-11-20 1989-05-26 Kaitou Seisakusho:Kk 圧電スピーカ
JPH0260399U (mo) * 1988-10-27 1990-05-02
US4996713A (en) * 1989-09-25 1991-02-26 S. Eletro-Acustica S.A. Electroacoustic piezoelectric transducer having a broad operating range

Also Published As

Publication number Publication date
JPS6237600B2 (mo) 1987-08-13

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