JPH0478900U - - Google Patents
Info
- Publication number
- JPH0478900U JPH0478900U JP12270890U JP12270890U JPH0478900U JP H0478900 U JPH0478900 U JP H0478900U JP 12270890 U JP12270890 U JP 12270890U JP 12270890 U JP12270890 U JP 12270890U JP H0478900 U JPH0478900 U JP H0478900U
- Authority
- JP
- Japan
- Prior art keywords
- resonator
- bimorph
- terminal plate
- center
- attached
- 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
Landscapes
- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
第１図は本考案における超音波セラミツクマイ
クロホンの一実施例を示す断面図、第２図ａ，ｂ
，ｃ，ｄは本考案の超音波センサに使用する金属
振動板のそれぞれ実施例を示す平面図、第３図は
従来の超音波センサを示す断面図である。
１……圧電磁器振動子、３……バイモルフ振動
子、４……円錐状共振子、５……端子板、６……
弾性接着剤、７ａ，７ｂ……リード線、８ａ，８
ｂ……端子、９……ケース、１０……ネツト、１
１……金属製振動板、１１ａ，１１ｂ，１１ｃ，
１１ｄ……突出部。
Fig. 1 is a sectional view showing an embodiment of the ultrasonic ceramic microphone of the present invention, Fig. 2 a, b
, c and d are plan views showing respective examples of metal diaphragms used in the ultrasonic sensor of the present invention, and FIG. 3 is a sectional view showing a conventional ultrasonic sensor. 1... Piezoelectric ceramic resonator, 3... Bimorph resonator, 4... Conical resonator, 5... Terminal plate, 6...
Elastic adhesive, 7a, 7b... Lead wire, 8a, 8
b...Terminal, 9...Case, 10...Net, 1
1...Metal diaphragm, 11a, 11b, 11c,
11d... Protrusion.
Claims (1)
を有する金属振動板に圧電磁器振動子を張り合わ
せたバイモルフ振動子と、このバイモルフ振動子
の中央部に取り付けられた円錐状共振子と、前記
バイモルフ振動子を保持する端子板と、前記各部
品を覆うように前記端子板に取り付けられ、かつ
上方にネツト部が形成されたケースとからなる超
音波センサ。 a bimorph resonator in which a piezoelectric ceramic resonator is laminated to a metal diaphragm having one or more pairs of protrusions provided point-symmetrically with respect to the center; a conical resonator attached to the center of the bimorph resonator; An ultrasonic sensor comprising a terminal plate that holds a bimorph vibrator, and a case that is attached to the terminal plate so as to cover each of the components and has a net portion formed above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12270890U JPH0478900U (en) | 1990-11-22 | 1990-11-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12270890U JPH0478900U (en) | 1990-11-22 | 1990-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0478900U true JPH0478900U (en) | 1992-07-09 |
Family
ID=31870466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12270890U Pending JPH0478900U (en) | 1990-11-22 | 1990-11-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0478900U (en) |
-
1990
- 1990-11-22 JP JP12270890U patent/JPH0478900U/ja active Pending
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