JPS59154997U - ultrasonic ceramic microphone - Google Patents
ultrasonic ceramic microphoneInfo
- Publication number
- JPS59154997U JPS59154997U JP4938483U JP4938483U JPS59154997U JP S59154997 U JPS59154997 U JP S59154997U JP 4938483 U JP4938483 U JP 4938483U JP 4938483 U JP4938483 U JP 4938483U JP S59154997 U JPS59154997 U JP S59154997U
- Authority
- JP
- Japan
- Prior art keywords
- resonator
- ultrasonic
- bimorph
- ceramic microphone
- ultrasonic ceramic
- 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)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の超音波セラミックマイクロホンの断面図
、第２図は従来の超音波セラミックマイクロホンに用い
ていた円錐状共振子の断面図、第３図は本考案に係る超
音波セラミックマイクロホンの一実施例を示す断面図、
第４図は本考案の超音波セラミックマイクロホンに用い
る筒状部を設けた円錐台形状共振子の断面図である。
１・・・・・・圧電磁器板、２・・・・・・バイモルフ
振動子、４・・・・・・接着剤（エポキシ樹脂系接着剤
）、５・・・・・・端子板、６・・・・・・弾性接着剤
、８・・・・・・ケース、１２・・・・・・円錐台形状
共振子、１２ａ・・・・・・筒状部。Fig. 1 is a cross-sectional view of a conventional ultrasonic ceramic microphone, Fig. 2 is a cross-sectional view of a conical resonator used in a conventional ultrasonic ceramic microphone, and Fig. 3 is a cross-sectional view of an ultrasonic ceramic microphone according to the present invention. A sectional view showing an example,
FIG. 4 is a sectional view of a truncated conical resonator provided with a cylindrical portion used in the ultrasonic ceramic microphone of the present invention. 1... Piezoelectric ceramic plate, 2... Bimorph resonator, 4... Adhesive (epoxy resin adhesive), 5... Terminal board, 6 ...Elastic adhesive, 8 ... Case, 12 ... truncated conical resonator, 12a ... Cylindrical part.
Claims (1)
台形状でその上面中央部に筒状部を具備するとともに底
面部を超音波放射面とした共振子を有し、前記共振子を
上面中央の筒状部にて前記バイモルフ振動子の中央部に
接着剤にて接着固定してなる複合共振子を端子板中央部
の凸状支持部に弾性接着剤を介して接着固定し、前記複
合共振子及び端子板をケース内に収納してなる超音波セ
ラミックマイクロホン。It has a bimorph vibrator made of two piezoelectric ceramic plates bonded together, and a resonator that is shaped like a truncated cone and has a cylindrical part at the center of its top surface, and whose bottom surface is an ultrasonic emission surface. A composite resonator formed by adhering and fixing the cylindrical part to the central part of the bimorph resonator with an adhesive is adhesively fixed to the convex support part in the central part of the terminal plate via an elastic adhesive, and the composite resonator is An ultrasonic ceramic microphone with a terminal block and terminal board housed in a case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4938483U JPS59154997U (en) | 1983-04-01 | 1983-04-01 | ultrasonic ceramic microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4938483U JPS59154997U (en) | 1983-04-01 | 1983-04-01 | ultrasonic ceramic microphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59154997U true JPS59154997U (en) | 1984-10-17 |
Family
ID=30179891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4938483U Pending JPS59154997U (en) | 1983-04-01 | 1983-04-01 | ultrasonic ceramic microphone |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59154997U (en) |
-
1983
- 1983-04-01 JP JP4938483U patent/JPS59154997U/en active Pending
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