JPS5954869U - Ultrasonic object detection device - Google Patents

Ultrasonic object detection device

Info

Publication number
JPS5954869U
JPS5954869U JP15014182U JP15014182U JPS5954869U JP S5954869 U JPS5954869 U JP S5954869U JP 15014182 U JP15014182 U JP 15014182U JP 15014182 U JP15014182 U JP 15014182U JP S5954869 U JPS5954869 U JP S5954869U
Authority
JP
Japan
Prior art keywords
circuit
detection device
object detection
voltage
ultrasonic
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
JP15014182U
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 JP15014182U priority Critical patent/JPS5954869U/en
Publication of JPS5954869U publication Critical patent/JPS5954869U/en
Pending legal-status Critical Current

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

【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り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、19・
・・コンデンサ、20・・・可変抵抗、VTH・・・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 a block diagram 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, 19.
...Capacitor, 20...Variable resistor, VTH...Predetermined voltage.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 超音波発射後から時間の経過とともに基準電圧が他の所
定の電圧VT8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、前記回路5は可変抵抗20
とコンデンサ19との並列回路で構成したことを特徴と
する超音波物体検出装置。
A waveform shaping circuit 5 whose reference voltage changes exponentially toward another predetermined voltage VT8 over time after ultrasonic emission, and a voltage comparison circuit 9 which compares the output voltage of the circuit 5 and the reflected signal voltage. The circuit 5 includes a variable resistor 20
An ultrasonic object detection device comprising a parallel circuit including a capacitor 19 and a capacitor 19.
JP15014182U 1982-10-02 1982-10-02 Ultrasonic object detection device Pending JPS5954869U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15014182U JPS5954869U (en) 1982-10-02 1982-10-02 Ultrasonic object detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15014182U JPS5954869U (en) 1982-10-02 1982-10-02 Ultrasonic object detection device

Publications (1)

Publication Number Publication Date
JPS5954869U true JPS5954869U (en) 1984-04-10

Family

ID=30333081

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15014182U Pending JPS5954869U (en) 1982-10-02 1982-10-02 Ultrasonic object detection device

Country Status (1)

Country Link
JP (1) JPS5954869U (en)

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