JPH0486398U - - Google Patents
Info
- Publication number
- JPH0486398U JPH0486398U JP12930390U JP12930390U JPH0486398U JP H0486398 U JPH0486398 U JP H0486398U JP 12930390 U JP12930390 U JP 12930390U JP 12930390 U JP12930390 U JP 12930390U JP H0486398 U JPH0486398 U JP H0486398U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- vibrating part
- terminal
- ultrasonic vibrating
- entire
- 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
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 239000011358 absorbing material Substances 0.000 claims description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Transducers For Ultrasonic Waves (AREA)
Description
第１図は本考案の一実施例における超音波セラ
ミツクマイクロホンを示す断面図、第３図は従来
の超音波セラミツクマイクロホンを示す断面図、
第２図及び第４図はそれぞれ本考案と従来の超音
波セラミツクマイクロホンにおける残響特性を示
す図である。
１……圧電磁器振動子、２……金属製振動子、
３…バイモルフ振動子、４……金属製円錐状共振
子、５……端子板、６……接着剤、７ａ，７ｂ…
…リード線、８ａ，８ｂ……端子、９……ケース
、１０……ネツト、１１……弾性接着剤、１１ａ
，１１ｂ，１１ｃ，１１ｄ……弾性接着剤、１２
……吸音材。
FIG. 1 is a sectional view showing an ultrasonic ceramic microphone according to an embodiment of the present invention, and FIG. 3 is a sectional view showing a conventional ultrasonic ceramic microphone.
FIGS. 2 and 4 are diagrams showing the reverberation characteristics of the present invention and a conventional ultrasonic ceramic microphone, respectively. 1... Piezoelectric ceramic vibrator, 2... Metal vibrator,
3... Bimorph resonator, 4... Metal conical resonator, 5... Terminal plate, 6... Adhesive, 7a, 7b...
...Lead wire, 8a, 8b...Terminal, 9...Case, 10...Net, 11...Elastic adhesive, 11a
, 11b, 11c, 11d... elastic adhesive, 12
...Sound absorbing material.
Claims (1)
続部全体に弾性を有する接着剤を塗布した超音波
振動部と、それを保持する端子板と、前記超音波
振動部を覆うように前記端子板に取付けられ、か
つ内壁に吸音材を備えたケースとからなる超音波
セラミツクマイクロホン。 An ultrasonic vibrating part in which an elastic adhesive is applied to the entire inner surface of a metal conical resonator and the entire lead wire connection part, a terminal plate holding it, and the terminal so as to cover the ultrasonic vibrating part. An ultrasonic ceramic microphone that is attached to a board and consists of a case with sound-absorbing material on the inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12930390U JPH0486398U (en) | 1990-11-30 | 1990-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12930390U JPH0486398U (en) | 1990-11-30 | 1990-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0486398U true JPH0486398U (en) | 1992-07-27 |
Family
ID=31876709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12930390U Pending JPH0486398U (en) | 1990-11-30 | 1990-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0486398U (en) |
-
1990
- 1990-11-30 JP JP12930390U patent/JPH0486398U/ja active Pending
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