JPH0643781Y2 - 電歪素子 - Google Patents

電歪素子

Info

Publication number
JPH0643781Y2
JPH0643781Y2 JP1989004360U JP436089U JPH0643781Y2 JP H0643781 Y2 JPH0643781 Y2 JP H0643781Y2 JP 1989004360 U JP1989004360 U JP 1989004360U JP 436089 U JP436089 U JP 436089U JP H0643781 Y2 JPH0643781 Y2 JP H0643781Y2
Authority
JP
Japan
Prior art keywords
electrostrictive element
plate
piezoelectric ceramic
shutter
displacement
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 - Lifetime
Application number
JP1989004360U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0298336U (enrdf_load_stackoverflow
Inventor
和幸 根本
利法 比知屋
清 當摩
晴樹 大江
国夫 松本
信義 井上
Original Assignee
株式会社コパル
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 株式会社コパル filed Critical 株式会社コパル
Priority to JP1989004360U priority Critical patent/JPH0643781Y2/ja
Publication of JPH0298336U publication Critical patent/JPH0298336U/ja
Application granted granted Critical
Publication of JPH0643781Y2 publication Critical patent/JPH0643781Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Shutters For Cameras (AREA)
JP1989004360U 1989-01-20 1989-01-20 電歪素子 Expired - Lifetime JPH0643781Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989004360U JPH0643781Y2 (ja) 1989-01-20 1989-01-20 電歪素子

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989004360U JPH0643781Y2 (ja) 1989-01-20 1989-01-20 電歪素子

Publications (2)

Publication Number Publication Date
JPH0298336U JPH0298336U (enrdf_load_stackoverflow) 1990-08-06
JPH0643781Y2 true JPH0643781Y2 (ja) 1994-11-14

Family

ID=31206808

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989004360U Expired - Lifetime JPH0643781Y2 (ja) 1989-01-20 1989-01-20 電歪素子

Country Status (1)

Country Link
JP (1) JPH0643781Y2 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113472932B (zh) * 2021-06-11 2023-10-03 Tcl通讯（宁波）有限公司 一种无孔听筒装置及移动终端

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60162488A (ja) * 1984-02-01 1985-08-24 Murata Mfg Co Ltd 圧電素子

Also Published As

Publication number Publication date
JPH0298336U (enrdf_load_stackoverflow) 1990-08-06

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