JPS636371U - - Google Patents
Info
- Publication number
- JPS636371U JPS636371U JP9755186U JP9755186U JPS636371U JP S636371 U JPS636371 U JP S636371U JP 9755186 U JP9755186 U JP 9755186U JP 9755186 U JP9755186 U JP 9755186U JP S636371 U JPS636371 U JP S636371U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- switch
- ultrasonic switch
- absence
- received signal
- 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 2
- 238000010586 diagram Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
第１図は本考案の超音波スイツチの構成の一実
施例を示すブロツク図、第２図は超音波スイツチ
の各部信号波形図、第３図は第１図に示した自乗
回路の実施例を示す回路図、第４図は自乗回路の
入力と出力との関係の説明図、第５図は従来の超
音波スイツチの構成例を示すブロツク図である。
１……キヤリア周波数発振回路、２……パルス
信号発生回路、３……変調回路、４……送波器、
５……被検出物体、６……受波器、７……リニア
ー増幅回路、８……増幅度設定部、９……自乗回
路、１０……コンパレータ回路、１１……比較電
圧設定部、１２……物体の有無判定回路、１３…
…出力回路、１４……入力信号波形、１５……出
力信号波形。
Fig. 1 is a block diagram showing an embodiment of the configuration of the ultrasonic switch of the present invention, Fig. 2 is a signal waveform diagram of each part of the ultrasonic switch, and Fig. 3 is an embodiment of the square circuit shown in Fig. 1. FIG. 4 is an explanatory diagram of the relationship between the input and output of the square circuit, and FIG. 5 is a block diagram showing an example of the configuration of a conventional ultrasonic switch. 1... Carrier frequency oscillation circuit, 2... Pulse signal generation circuit, 3... Modulation circuit, 4... Transmitter,
5... Object to be detected, 6... Receiver, 7... Linear amplifier circuit, 8... Amplification degree setting section, 9... Square circuit, 10... Comparator circuit, 11... Comparison voltage setting section, 12 ...Object presence/absence determination circuit, 13...
...Output circuit, 14...Input signal waveform, 15...Output signal waveform.
Claims (1)
物体に当たつて反射して戻つて来る迄の時間を測
定することにより、予め設定した距離以内または
領域内における物体の有無を判別する超音波スイ
ツチング、あるいは物体との間の距離の計測を行
う超音波センサにおいて、超音波スイツチの受波
信号を検知角に対応して調整可能な比較電圧と比
較して得た出力により物体の有無を判別するよう
にしたことを特徴とする超音波スイツチ。 (2) 実用新案登録請求の範囲第１項記載の超音
波スイツチにおいて、前記受波信号を１．１乗以
上に増幅してから前記検知角に対応して調整可能
な比較電圧と比較するようにしたことを特徴とす
る超音波スイツチ。[Scope of Claim for Utility Model Registration] (1) By emitting pulsed ultrasonic waves and measuring the time it takes for the ultrasonic waves to hit an object, reflect and return, within a preset distance or In ultrasonic switching that determines the presence or absence of an object within an area, or in ultrasonic sensors that measure the distance to an object, the received signal of the ultrasonic switch is compared with a comparison voltage that can be adjusted according to the detection angle. An ultrasonic switch characterized in that the presence or absence of an object is determined based on the output obtained by the ultrasonic switch. (2) Utility Model Registration In the ultrasonic switch according to claim 1, the received signal is amplified to the 1.1 power or higher and then compared with a comparison voltage that can be adjusted in accordance with the detection angle. An ultrasonic switch characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9755186U JPS636371U (en) | 1986-06-27 | 1986-06-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9755186U JPS636371U (en) | 1986-06-27 | 1986-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS636371U true JPS636371U (en) | 1988-01-16 |
Family
ID=30964605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9755186U Pending JPS636371U (en) | 1986-06-27 | 1986-06-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS636371U (en) |
-
1986
- 1986-06-27 JP JP9755186U patent/JPS636371U/ja active Pending
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