JPS636372U - - Google Patents
Info
- Publication number
- JPS636372U JPS636372U JP9798786U JP9798786U JPS636372U JP S636372 U JPS636372 U JP S636372U JP 9798786 U JP9798786 U JP 9798786U JP 9798786 U JP9798786 U JP 9798786U JP S636372 U JPS636372 U JP S636372U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- receiving
- pulse
- emitting
- wave
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
第１図は本考案による超音波スイツチの機能ブ
ロツク図、第２図は本考案をハードウエア面で例
示する結線図、第３図は第２図のマイコンの動作
を示すフローチヤートである。
１：超音波発射手段、２：超音波受信手段、３
：ノイズ判別回路、４：在否判別手段、５：スイ
ツチ回路、６：告知手段、７：超音波振動子。
FIG. 1 is a functional block diagram of an ultrasonic switch according to the present invention, FIG. 2 is a wiring diagram illustrating the present invention in terms of hardware, and FIG. 3 is a flowchart showing the operation of the microcomputer shown in FIG. 2. 1: Ultrasonic emission means, 2: Ultrasonic reception means, 3
: noise discrimination circuit, 4: presence/absence discrimination means, 5: switch circuit, 6: notification means, 7: ultrasonic vibrator.
Claims (1)
超音波発射手段と、この超音波発射手段が発射し
た超音波パルスが対象物体に当り反射して再び前
記超音波振動子に到達した超音波パルスを電気パ
ルスとして受信する超音波受信手段とを備えた超
音波スイツチにおいて、前記超音波受信手段には
前記超音波振動子が超音波パルスを発射する以前
にノイズ波を受信するノイズ波受信機能を設ける
とともに、前記超音波受信手段がノイズ波を受信
するとこれを告知する告知手段を設けたことを特
徴とする超音波スイツチ。 Ultrasonic emitting means for emitting ultrasonic pulses via an ultrasonic transducer, and ultrasonic pulses emitted by the ultrasonic emitting means that hit a target object, are reflected, and reach the ultrasonic transducer again. an ultrasonic wave receiving means for receiving the ultrasonic pulse as an electric pulse, the ultrasonic wave receiving means having a noise wave receiving function for receiving a noise wave before the ultrasonic transducer emits the ultrasonic pulse. An ultrasonic switch characterized in that the ultrasonic switch further comprises notification means for notifying when the ultrasonic reception means receives a noise wave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9798786U JPS636372U (en) | 1986-06-26 | 1986-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9798786U JPS636372U (en) | 1986-06-26 | 1986-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS636372U true JPS636372U (en) | 1988-01-16 |
Family
ID=30965503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9798786U Pending JPS636372U (en) | 1986-06-26 | 1986-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS636372U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05119149A (en) * | 1991-10-24 | 1993-05-18 | Matsushita Electric Works Ltd | Method for sensing obstacle using ultrasonic wave and ultrasonic sensor |
-
1986
- 1986-06-26 JP JP9798786U patent/JPS636372U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05119149A (en) * | 1991-10-24 | 1993-05-18 | Matsushita Electric Works Ltd | Method for sensing obstacle using ultrasonic wave and ultrasonic sensor |
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