JPS6297975U - - Google Patents
Info
- Publication number
- JPS6297975U JPS6297975U JP19135585U JP19135585U JPS6297975U JP S6297975 U JPS6297975 U JP S6297975U JP 19135585 U JP19135585 U JP 19135585U JP 19135585 U JP19135585 U JP 19135585U JP S6297975 U JPS6297975 U JP S6297975U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- transducer
- transmitting circuit
- wave transmitting
- switch
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
第１図は、この考案の一実施例を示す超音波ス
イツチの回路ブロツク図、第２図は、同超音波ス
イツチの外観斜視図、第３図Ａ，Ｂ，Ｃは、同超
音波スイツチの送波時間設定を説明するための送
波時間の変化と残響及び受波信号の関係を示す図
、第４図は、残響と検出距離による受波信号レベ
ルとの関係を説明するための図である。
１：送波回路、２：超音波振動子、３：受波回
路、２２：振動子保持板、２３：振動面。
Fig. 1 is a circuit block diagram of an ultrasonic switch showing an embodiment of this invention, Fig. 2 is an external perspective view of the ultrasonic switch, and Figs. 3 A, B, and C are diagrams of the ultrasonic switch. Figure 4 is a diagram showing the relationship between changes in wave transmission time, reverberation, and received signal to explain the wave transmission time setting. be. 1: Transmission circuit, 2: Ultrasonic transducer, 3: Receiving circuit, 22: Transducer holding plate, 23: Vibration surface.
Claims (1)
振動させ、物体あるいは反射板で反射して戻つて
来る反射波を前記超音波振動子で受波し、受波回
路で信号処理し、物体検出を行う超音波スイツチ
において、 前記超音波振動子の振動面と同一平面内に振動
子保持板を設けるとともに、前記送波回路による
超音波振動子の駆動時間を受波信号がピーク値を
確保出来る限度まで短く設定したことを特徴とす
る超音波スイツチ。[Claims for Utility Model Registration] An ultrasonic vibrator is vibrated by intermittent driving by a wave transmitting circuit, and the reflected waves reflected from an object or a reflecting plate are received by the ultrasonic vibrator, and the wave receiving circuit In an ultrasonic switch that performs signal processing and object detection, a transducer holding plate is provided in the same plane as the vibration surface of the ultrasonic transducer, and the drive time of the ultrasonic transducer by the wave transmitting circuit is An ultrasonic switch characterized in that the signal is set as short as possible to ensure the peak value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19135585U JPS6297975U (en) | 1985-12-11 | 1985-12-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19135585U JPS6297975U (en) | 1985-12-11 | 1985-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6297975U true JPS6297975U (en) | 1987-06-22 |
Family
ID=31145419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19135585U Pending JPS6297975U (en) | 1985-12-11 | 1985-12-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6297975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0261582A (en) * | 1988-08-26 | 1990-03-01 | Matsushita Electric Works Ltd | Ultrasonic detector |
-
1985
- 1985-12-11 JP JP19135585U patent/JPS6297975U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0261582A (en) * | 1988-08-26 | 1990-03-01 | Matsushita Electric Works Ltd | Ultrasonic detector |
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