JPS62133437U - - Google Patents
Info
- Publication number
- JPS62133437U JPS62133437U JP2021386U JP2021386U JPS62133437U JP S62133437 U JPS62133437 U JP S62133437U JP 2021386 U JP2021386 U JP 2021386U JP 2021386 U JP2021386 U JP 2021386U JP S62133437 U JPS62133437 U JP S62133437U
- Authority
- JP
- Japan
- Prior art keywords
- detection
- light
- circuit
- light receiver
- detection pulse
- 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 6
- 238000010586 diagram Methods 0.000 description 6
- 230000010354 integration Effects 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は第１図の各部の動作説明図、第３図は同
上に使用するゲート回路の一例を示す回路図、第
４図は第３図の各部の信号を示す動作説明図、第
５図は従来例を示すブロツク図である。
１は投光器、２は受光器、３は第１の比較回路
、４はゲート回路、５は積分回路、６は第２の比
較回路である。
FIG. 1 is a block diagram showing an embodiment of the present invention.
Fig. 2 is an explanatory diagram of the operation of each part in Fig. 1, Fig. 3 is a circuit diagram showing an example of a gate circuit used in the above, Fig. 4 is an explanatory diagram of operation showing signals of each part of Fig. 3, and Fig. 5 is an explanatory diagram of the operation of each part of Fig. 1. The figure is a block diagram showing a conventional example. 1 is a light projector, 2 is a light receiver, 3 is a first comparison circuit, 4 is a gate circuit, 5 is an integration circuit, and 6 is a second comparison circuit.
Claims (1)
、投光器に対向して配設され検知光を受光する受
光器と、受光器の出力が所定レベル以上となると
検知パルスを出力する第１の比較回路と、検知パ
ルスを受けてから投光器の点滅周期に対応した所
定時間後に開放されるゲート回路と、ゲート回路
を通過した検知パルスを積分する積分回路と、積
分回路の出力が所定レベルとなると検知信号を出
力する第２の比較回路とを具備して成る対向型光
電スイツチ。 A first comparison of a light emitter that emits a detection light that blinks at a constant cycle, a light receiver that is placed opposite the light emitter and receives the detection light, and a light receiver that outputs a detection pulse when the output of the light receiver exceeds a predetermined level. A gate circuit that opens after a predetermined time corresponding to the flashing cycle of the floodlight after receiving a detection pulse, an integrating circuit that integrates the detection pulse that has passed through the gate circuit, and a detection circuit that detects when the output of the integrating circuit reaches a predetermined level. An opposing photoelectric switch comprising a second comparison circuit that outputs a signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021386U JPS62133437U (en) | 1986-02-14 | 1986-02-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021386U JPS62133437U (en) | 1986-02-14 | 1986-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62133437U true JPS62133437U (en) | 1987-08-22 |
Family
ID=30815517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021386U Pending JPS62133437U (en) | 1986-02-14 | 1986-02-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62133437U (en) |
-
1986
- 1986-02-14 JP JP2021386U patent/JPS62133437U/ja active Pending