JPS59171497U - ultrasonic ceramic microphone - Google Patents
ultrasonic ceramic microphoneInfo
- Publication number
- JPS59171497U JPS59171497U JP6647683U JP6647683U JPS59171497U JP S59171497 U JPS59171497 U JP S59171497U JP 6647683 U JP6647683 U JP 6647683U JP 6647683 U JP6647683 U JP 6647683U JP S59171497 U JPS59171497 U JP S59171497U
- Authority
- JP
- Japan
- Prior art keywords
- vibrator
- ultrasonic ceramic
- ceramic microphone
- piezoelectric ceramic
- ultrasonic
- 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.)
- Granted
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図は従来例の超音波乍ラミックマイクロホンを示す
断面図、第２図は本考案の一実施例における超音波セラ
ミックマイクロホンを示す断面図、第３図は同分解斜視
図、第４図は来者案品と従来局の周波数特性を比較して
示す図、第５図は本考案を説明するための金属製振動板
及び共鳴板の寸法との関係を説明する図である。
１・・・・・・圧電磁器振動子、１０・・・・・・金属
製振動板、１０ａ・・・・・・突起部、１１・・・・・
・共鳴板、ｌｌａ・・・・・・スリット部、１１ｄ・・
・・・・接触片、１２・・・・・・ケース、１２ａ・・
・・・・放射開孔面。Fig. 1 is a sectional view showing a conventional ultrasonic ceramic microphone, Fig. 2 is a sectional view showing an ultrasonic ceramic microphone according to an embodiment of the present invention, Fig. 3 is an exploded perspective view, and Fig. 4 is a sectional view showing an ultrasonic ceramic microphone according to an embodiment of the present invention. FIG. 5 is a diagram showing a comparison of the frequency characteristics of the visitor's product and the conventional station. FIG. 5 is a diagram illustrating the relationship between the dimensions of the metal diaphragm and the sounding plate to explain the present invention. DESCRIPTION OF SYMBOLS 1...Piezoelectric ceramic vibrator, 10...Metal diaphragm, 10a...Protrusion, 11...
・Resonance plate, lla...Slit part, 11d...
...Contact piece, 12...Case, 12a...
...radial aperture surface.
Claims (1)
振動板に貼り合せてなるバイモルフ振動子と、複数個の
スリット部と前記圧電磁器振動子電極面に当接する接触
片を有する弾性形状の共鳴板とを具備し、前記バイモル
フ振動子に前記共鳴板を圧着させ、それらを放射開孔面
を有するケースに挿入し保持してなる超音波セラミック
マイクロホン。A bimorph vibrator formed by bonding a piezoelectric ceramic vibrator to a metal diaphragm having a plurality of projections on one side, and an elastic shape having a plurality of slits and a contact piece that comes into contact with the electrode surface of the piezoelectric ceramic vibrator. 1. An ultrasonic ceramic microphone comprising: a resonator plate; the resonator plate is press-fitted to the bimorph vibrator; the resonator plates are inserted and held in a case having a radiating aperture surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6647683U JPS59171497U (en) | 1983-05-02 | 1983-05-02 | ultrasonic ceramic microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6647683U JPS59171497U (en) | 1983-05-02 | 1983-05-02 | ultrasonic ceramic microphone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59171497U true JPS59171497U (en) | 1984-11-16 |
| JPS6349995Y2 JPS6349995Y2 (en) | 1988-12-22 |
Family
ID=30196685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6647683U Granted JPS59171497U (en) | 1983-05-02 | 1983-05-02 | ultrasonic ceramic microphone |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59171497U (en) |
-
1983
- 1983-05-02 JP JP6647683U patent/JPS59171497U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6349995Y2 (en) | 1988-12-22 |
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