JPS5954864U - Ultrasonic object detection device - Google Patents
Ultrasonic object detection deviceInfo
- Publication number
- JPS5954864U JPS5954864U JP15013182U JP15013182U JPS5954864U JP S5954864 U JPS5954864 U JP S5954864U JP 15013182 U JP15013182 U JP 15013182U JP 15013182 U JP15013182 U JP 15013182U JP S5954864 U JPS5954864 U JP S5954864U
- Authority
- JP
- Japan
- Prior art keywords
- detection device
- object detection
- voltage
- ultrasonic object
- circuit
- 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 title claims description 4
- 238000007493 shaping process Methods 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 1
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、１９ａ
。
１９ｂ−Ｌコンデ７−ｆ、２０ａ、 ２０ｂ−・・抵
抗、２２・・・スイッチ、ＶＴ）、ｌ・・・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 object, and Fig. 3 is a block diagram of the ultrasonic object detection device according to an embodiment of the present invention. 4 is a specific circuit diagram of the main parts, FIG. 5 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, 19a
. 19b-L connector 7-f, 20a, 20b-...Resistor, 22...Switch, VT), l...Predetermined voltage.
Claims (1)
定の電圧ＶＴｌ−１に向って指数関数的に変化す乞波形
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、前記回路５は複数個
の抵抗２０ａ、２０ｂ）コンデンサ１９ａ、１９ｂで構
成し、それらをスイッチ２２で切換えることを特徴とす
る超音波物体検出装置。The output voltage of the waveform shaping circuit 5 whose reference voltage changes exponentially toward another predetermined voltage VTl-1 with the passage of time after ultrasonic emission is compared with the reflected signal voltage. An ultrasonic object detection device comprising: a voltage comparison circuit 9; the circuit 5 is composed of a plurality of resistors 20a, 20b) and capacitors 19a, 19b, which are switched by a switch 22.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15013182U JPS5954864U (en) | 1982-10-02 | 1982-10-02 | Ultrasonic object detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15013182U JPS5954864U (en) | 1982-10-02 | 1982-10-02 | Ultrasonic object detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5954864U true JPS5954864U (en) | 1984-04-10 |
Family
ID=30333061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15013182U Pending JPS5954864U (en) | 1982-10-02 | 1982-10-02 | Ultrasonic object detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5954864U (en) |
-
1982
- 1982-10-02 JP JP15013182U patent/JPS5954864U/en active Pending
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