JPH0163299U - - Google Patents

Info

Publication number
JPH0163299U
JPH0163299U JP1987157195U JP15719587U JPH0163299U JP H0163299 U JPH0163299 U JP H0163299U JP 1987157195 U JP1987157195 U JP 1987157195U JP 15719587 U JP15719587 U JP 15719587U JP H0163299 U JPH0163299 U JP H0163299U
Authority
JP
Japan
Prior art keywords
diaphragm
metal plate
protruding
metal foil
piezoelectric element
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.)
Pending
Application number
JP1987157195U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP1987157195U priority Critical patent/JPH0163299U/ja
Publication of JPH0163299U publication Critical patent/JPH0163299U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Transducers For Audible Bands (AREA)
JP1987157195U 1987-10-14 1987-10-14 Pending JPH0163299U (en, 2012)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987157195U JPH0163299U (en, 2012) 1987-10-14 1987-10-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987157195U JPH0163299U (en, 2012) 1987-10-14 1987-10-14

Publications (1)

Publication Number Publication Date
JPH0163299U true JPH0163299U (en, 2012) 1989-04-24

Family

ID=31436425

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987157195U Pending JPH0163299U (en, 2012) 1987-10-14 1987-10-14

Country Status (1)

Country Link
JP (1) JPH0163299U (en, 2012)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5725797A (en) * 1980-07-24 1982-02-10 Nippon Telegr & Teleph Corp <Ntt> Piezoelectric electroacoustic transducer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5725797A (en) * 1980-07-24 1982-02-10 Nippon Telegr & Teleph Corp <Ntt> Piezoelectric electroacoustic transducer

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