JPH0365397U - - Google Patents
Info
- Publication number
- JPH0365397U JPH0365397U JP12578789U JP12578789U JPH0365397U JP H0365397 U JPH0365397 U JP H0365397U JP 12578789 U JP12578789 U JP 12578789U JP 12578789 U JP12578789 U JP 12578789U JP H0365397 U JPH0365397 U JP H0365397U
- Authority
- JP
- Japan
- Prior art keywords
- unimorph
- piezoelectric element
- auxiliary electrode
- diagnosis
- receiver
- 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
Links
- 238000004092 self-diagnosis Methods 0.000 claims 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Transducers For Ultrasonic Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
第１図は従来の圧電素子、第２図は従来のユニ
モルフ、第３図は本考案の圧電振動子、第４図は
本考案のユニモルフ、第５図は本考案の送受信器
を使用するための回路構成をそれぞれ示す。
数番１１，２１，３１，４１……表電極、１３
，２３，３４，４４……裏電極、１２，２２，３
３，４３……圧電素子、３２……補助電極、２４
，４５……金属板をそれぞれ示す。
Fig. 1 shows the conventional piezoelectric element, Fig. 2 shows the conventional unimorph, Fig. 3 shows the piezoelectric vibrator of the invention, Fig. 4 shows the unimorph of the invention, and Fig. 5 shows the use of the transceiver of the invention. The circuit configurations of each are shown. Numbers 11, 21, 31, 41... surface electrode, 13
, 23, 34, 44... back electrode, 12, 22, 3
3, 43...Piezoelectric element, 32...Auxiliary electrode, 24
, 45... each indicates a metal plate.
Claims (1)
とを特徴としたユニモルフ及びバイモルフ構造の
超音波送受信器。 An ultrasonic transmitter/receiver with a unimorph or bimorph structure characterized by providing an auxiliary electrode on a piezoelectric element to perform self-diagnosis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12578789U JPH0365397U (en) | 1989-10-28 | 1989-10-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12578789U JPH0365397U (en) | 1989-10-28 | 1989-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0365397U true JPH0365397U (en) | 1991-06-25 |
Family
ID=31673638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12578789U Pending JPH0365397U (en) | 1989-10-28 | 1989-10-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0365397U (en) |
-
1989
- 1989-10-28 JP JP12578789U patent/JPH0365397U/ja active Pending