JPS5954870U - Ultrasonic object detection device - Google Patents
Ultrasonic object detection deviceInfo
- Publication number
- JPS5954870U JPS5954870U JP15014282U JP15014282U JPS5954870U JP S5954870 U JPS5954870 U JP S5954870U JP 15014282 U JP15014282 U JP 15014282U JP 15014282 U JP15014282 U JP 15014282U JP S5954870 U JPS5954870 U JP S5954870U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- detection device
- object detection
- circuit
- ultrasonic object
- 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
- Measurement Of Velocity Or Position Using Acoustic Or 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図は本考案の一実施例による超音波物体検出装置の
ブロック図、第２図は同送波器、受波器と物体間の超音
波伝送経路説明図、第３図は同装置と物体間距離と超音
波強度の関係図、第４図は同要部の具体的回路図、第５
図は同装置各部の電圧波形図、第６図は同電圧波形図の
詳細図である。
５・・・波形整形回路、９・・・電圧比較回路、２１・
・・発光ダイオード、ＶＴ８・・・所定の電圧。Fig. 1 is a block diagram of an ultrasonic object detection device according to an embodiment of the present invention, Fig. 2 is an explanatory diagram of the ultrasonic transmission path between the transmitter, receiver, and an object, and Fig. 3 is an illustration of the ultrasonic object detection device according to an embodiment of the present invention. A diagram showing the relationship between the distance between objects and the ultrasonic intensity. Figure 4 is a specific circuit diagram of the same main part. Figure 5
The figure is a voltage waveform diagram of each part of the device, and FIG. 6 is a detailed diagram of the voltage waveform diagram. 5... Waveform shaping circuit, 9... Voltage comparison circuit, 21.
...Light emitting diode, VT8...predetermined voltage.
Claims (1)
定の電圧■ア□に向って指数関数的に変化する波形整形
回路５と、該回路５の出力電圧と反射信号電圧とを比較
する電圧比較回路９とを備え、前記所定の電圧ＶＴＨを
発光ダイオード２１の順方向電圧より得ることを特徴と
する超音波物体検出装置。A waveform shaping circuit 5 whose reference voltage changes exponentially toward another predetermined voltage A with the passage of time after the ultrasonic wave is emitted, and a voltage for comparing the output voltage of the circuit 5 and the reflected signal voltage. An ultrasonic object detection device comprising a comparison circuit 9 and obtaining the predetermined voltage VTH from a forward voltage of a light emitting diode 21.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15014282U JPS5954870U (en) | 1982-10-02 | 1982-10-02 | Ultrasonic object detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15014282U JPS5954870U (en) | 1982-10-02 | 1982-10-02 | Ultrasonic object detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5954870U true JPS5954870U (en) | 1984-04-10 |
Family
ID=30333083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15014282U Pending JPS5954870U (en) | 1982-10-02 | 1982-10-02 | Ultrasonic object detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5954870U (en) |
-
1982
- 1982-10-02 JP JP15014282U patent/JPS5954870U/en active Pending
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