JPH0749910Y2 - 圧電型音響変換器 - Google Patents

圧電型音響変換器

Info

Publication number
JPH0749910Y2
JPH0749910Y2 JP1988155412U JP15541288U JPH0749910Y2 JP H0749910 Y2 JPH0749910 Y2 JP H0749910Y2 JP 1988155412 U JP1988155412 U JP 1988155412U JP 15541288 U JP15541288 U JP 15541288U JP H0749910 Y2 JPH0749910 Y2 JP H0749910Y2
Authority
JP
Japan
Prior art keywords
diaphragm
acoustic transducer
annular member
pressing force
soft
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 - Fee Related
Application number
JP1988155412U
Other languages
English (en)
Japanese (ja)
Other versions
JPH02116198U (en, 2012
Inventor
一夫 桜井
Original Assignee
ヤシマ電気株式会社
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 ヤシマ電気株式会社 filed Critical ヤシマ電気株式会社
Priority to JP1988155412U priority Critical patent/JPH0749910Y2/ja
Publication of JPH02116198U publication Critical patent/JPH02116198U/ja
Application granted granted Critical
Publication of JPH0749910Y2 publication Critical patent/JPH0749910Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Transducers For Audible Bands (AREA)
JP1988155412U 1988-11-29 1988-11-29 圧電型音響変換器 Expired - Fee Related JPH0749910Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988155412U JPH0749910Y2 (ja) 1988-11-29 1988-11-29 圧電型音響変換器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988155412U JPH0749910Y2 (ja) 1988-11-29 1988-11-29 圧電型音響変換器

Publications (2)

Publication Number Publication Date
JPH02116198U JPH02116198U (en, 2012) 1990-09-18
JPH0749910Y2 true JPH0749910Y2 (ja) 1995-11-13

Family

ID=31433020

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988155412U Expired - Fee Related JPH0749910Y2 (ja) 1988-11-29 1988-11-29 圧電型音響変換器

Country Status (1)

Country Link
JP (1) JPH0749910Y2 (en, 2012)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50117412A (en, 2012) * 1974-02-18 1975-09-13
JPS62194800A (ja) * 1986-02-20 1987-08-27 Nippon Ceramic Kk 超音波送受信器

Also Published As

Publication number Publication date
JPH02116198U (en, 2012) 1990-09-18

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees