JPS5954868U - Ultrasonic object detection device - Google Patents

Ultrasonic object detection device

Info

Publication number
JPS5954868U
JPS5954868U JP15014082U JP15014082U JPS5954868U JP S5954868 U JPS5954868 U JP S5954868U JP 15014082 U JP15014082 U JP 15014082U JP 15014082 U JP15014082 U JP 15014082U JP S5954868 U JPS5954868 U JP S5954868U
Authority
JP
Japan
Prior art keywords
voltage
detection device
object detection
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
Application number
JP15014082U
Other languages
Japanese (ja)
Inventor
森田　喜久蔵
健一郎 新美
Original Assignee
株式会社日立ホームテック
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社日立ホームテック filed Critical 株式会社日立ホームテック
Priority to JP15014082U priority Critical patent/JPS5954868U/en
Publication of JPS5954868U publication Critical patent/JPS5954868U/en
Pending legal-status Critical Current

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  • 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

【図面の簡単な説明】[Brief explanation of drawings]

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。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.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 超音波発射後時間の経過とともに基準電圧が他の所定の
直流電圧Ｖ、Ｉ−１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、前記直流電圧ＶＴ
１４は１．ダイオード２１の順方向電圧降下を利用した
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 DC voltage V, I-1 with the passage of time after ultrasonic emission, and an output voltage of the circuit 5 and a reflected signal voltage. and a voltage comparison circuit 9 for comparison, the DC voltage VT
14 is 1. An ultrasonic object detection device characterized by utilizing a forward voltage drop of a diode 21.
JP15014082U 1982-10-02 1982-10-02 Ultrasonic object detection device Pending JPS5954868U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15014082U JPS5954868U (en) 1982-10-02 1982-10-02 Ultrasonic object detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15014082U JPS5954868U (en) 1982-10-02 1982-10-02 Ultrasonic object detection device

Publications (1)

Publication Number Publication Date
JPS5954868U true JPS5954868U (en) 1984-04-10

Family

ID=30333079

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15014082U Pending JPS5954868U (en) 1982-10-02 1982-10-02 Ultrasonic object detection device

Country Status (1)

Country Link
JP (1) JPS5954868U (en)

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