JP2514353Y2 - 水中受波器 - Google Patents

水中受波器

Info

Publication number
JP2514353Y2
JP2514353Y2 JP1990061736U JP6173690U JP2514353Y2 JP 2514353 Y2 JP2514353 Y2 JP 2514353Y2 JP 1990061736 U JP1990061736 U JP 1990061736U JP 6173690 U JP6173690 U JP 6173690U JP 2514353 Y2 JP2514353 Y2 JP 2514353Y2
Authority
JP
Japan
Prior art keywords
film
shaped piezoelectric
piezoelectric material
conversion element
positive
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
JP1990061736U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0420797U (enExample
Inventor
哲治 宮田
圭一 小林
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP1990061736U priority Critical patent/JP2514353Y2/ja
Publication of JPH0420797U publication Critical patent/JPH0420797U/ja
Application granted granted Critical
Publication of JP2514353Y2 publication Critical patent/JP2514353Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP1990061736U 1990-06-13 1990-06-13 水中受波器 Expired - Lifetime JP2514353Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990061736U JP2514353Y2 (ja) 1990-06-13 1990-06-13 水中受波器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990061736U JP2514353Y2 (ja) 1990-06-13 1990-06-13 水中受波器

Publications (2)

Publication Number Publication Date
JPH0420797U JPH0420797U (enExample) 1992-02-21
JP2514353Y2 true JP2514353Y2 (ja) 1996-10-16

Family

ID=31590249

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990061736U Expired - Lifetime JP2514353Y2 (ja) 1990-06-13 1990-06-13 水中受波器

Country Status (1)

Country Link
JP (1) JP2514353Y2 (enExample)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2151434B (en) * 1983-12-02 1987-10-14 Raytheon Co Multi-layered polymer transducer

Also Published As

Publication number Publication date
JPH0420797U (enExample) 1992-02-21

Similar Documents

Publication Publication Date Title
US4056742A (en) Transducer having piezoelectric film arranged with alternating curvatures
US4186323A (en) Piezoelectric high polymer, multilayer electro-acoustic transducers
US2403692A (en) Piezoelectric device
US6504286B1 (en) Piezoelectric transducer
JPS6150560B2 (enExample)
US11950070B2 (en) Sound production device
JPH0446517B2 (enExample)
JPS60236600A (ja) 圧電式空気超音波変換器
CN115914959B (zh) 声学压电薄膜器件结构
JPH0453117Y2 (enExample)
US20060113879A1 (en) Piezoelectric micro acoustic sensor based on ferroelectric materials
CN112697262B (zh) 水听器及其制造方法
CN103347238B (zh) 压电驻极体薄膜的叠层结构及传声器
CN219384782U (zh) 一种mems结构
JPH0448079Y2 (enExample)
JPS5932039B2 (ja) 高分子圧電トランスデユ−サ
GB2568321A (en) MEMS devices and processes
JPH0323757Y2 (enExample)
JPS6338640Y2 (enExample)
CN210868154U (zh) 一种应用于定向发声的柔性膜
JP2526066B2 (ja) 水中用圧電ケ−ブル
JPS62155700A (ja) 音響振動板
JPS62231589A (ja) 圧電送受波器
JP2630950B2 (ja) 水中用圧電受波シート
JPS5851480B2 (ja) 圧電形電気音響変換器