JPS58155200U - ultrasonic ceramic microphone - Google Patents
ultrasonic ceramic microphoneInfo
- Publication number
- JPS58155200U JPS58155200U JP5324282U JP5324282U JPS58155200U JP S58155200 U JPS58155200 U JP S58155200U JP 5324282 U JP5324282 U JP 5324282U JP 5324282 U JP5324282 U JP 5324282U JP S58155200 U JPS58155200 U JP S58155200U
- Authority
- JP
- Japan
- Prior art keywords
- case
- ultrasonic ceramic
- microphone
- terminal plate
- ceramic microphone
- 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) [Abstract] 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ａ、 ｂは同マイクロホンにおける共振Ｑの
調整法を説明する送信時と受信時の負荷接続図、第３図
ａ、 ｂは第２図ａ、 ｂにおける送信周波数特性
と受信周波数特性を示すグラフ、第４図は本考案の超音
波セラミックマイクロホンの一実施例を示す断面図であ
る。
９・・・・・・円錐台形状ケース、９ａ・・・・・・円
柱側部、１０・・・・・・圧電磁器振動子、１１・・・
・・・内リング、１２・・・・・・金属ベース、１３・
・・・・・端子板、１４゜１４ａ、１４ｂ・・・・・・
外部端子、１５・・・・・・誘導性負荷。
・ ｌ １
＝−Ｔ＠破板
１４１Ｊ表１
− 叱膚較Figure 1 is a cross-sectional view of a conventional ultrasonic ceramic microphone, Figures 2a and b are load connection diagrams during transmission and reception to explain how to adjust the resonance Q in the same microphone, and Figures 3a and b are load connection diagrams for transmission and reception. 2a and 2b are graphs showing transmitting frequency characteristics and receiving frequency characteristics, and FIG. 4 is a sectional view showing an embodiment of the ultrasonic ceramic microphone of the present invention. 9...Truncated conical case, 9a...Cylindrical side part, 10...Piezoelectric ceramic vibrator, 11...
...Inner ring, 12...Metal base, 13.
...Terminal board, 14゜14a, 14b...
External terminal, 15...Inductive load.・ l 1 = -T @ Broken board 141J Table 1 - Comparison of scolding
Claims (1)
前記ケースに連続一体化して円柱側部を設けるとともに
前記ケースの内側部に内リングを内蔵し、前記ケース内
に誘導性負荷を配置し、前記ケースの開孔端に端子板に
組込まれた金属ベースを圧入し、外部端子を３端子で構
成した前記端子板と金属ベースで前記ケースの開孔部を
密閉してなる超音波セラミックマイクロホン。A piezoelectric ceramic vibrator is pasted on the inner bottom of a truncated conical case,
A cylindrical side portion is provided continuously and integrally with the case, an inner ring is built into the inner side of the case, an inductive load is disposed within the case, and a metal is incorporated into a terminal plate at the open end of the case. An ultrasonic ceramic microphone in which a base is press-fitted and an opening in the case is sealed with the terminal plate having three external terminals and the metal base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5324282U JPS58155200U (en) | 1982-04-13 | 1982-04-13 | ultrasonic ceramic microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5324282U JPS58155200U (en) | 1982-04-13 | 1982-04-13 | ultrasonic ceramic microphone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58155200U true JPS58155200U (en) | 1983-10-17 |
| JPS6322797Y2 JPS6322797Y2 (en) | 1988-06-22 |
Family
ID=30063920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5324282U Granted JPS58155200U (en) | 1982-04-13 | 1982-04-13 | ultrasonic ceramic microphone |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58155200U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006279113A (en) * | 2005-03-28 | 2006-10-12 | Nippon Ceramic Co Ltd | Ultrasonic transducer |
| WO2011090201A1 (en) * | 2010-01-25 | 2011-07-28 | 株式会社村田製作所 | Ultrasonic vibration device |
-
1982
- 1982-04-13 JP JP5324282U patent/JPS58155200U/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006279113A (en) * | 2005-03-28 | 2006-10-12 | Nippon Ceramic Co Ltd | Ultrasonic transducer |
| WO2011090201A1 (en) * | 2010-01-25 | 2011-07-28 | 株式会社村田製作所 | Ultrasonic vibration device |
| JP5387697B2 (en) * | 2010-01-25 | 2014-01-15 | 株式会社村田製作所 | Ultrasonic vibration device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6322797Y2 (en) | 1988-06-22 |
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