JPS59119646U - photoelectric switch - Google Patents
photoelectric switchInfo
- Publication number
- JPS59119646U JPS59119646U JP1250583U JP1250583U JPS59119646U JP S59119646 U JPS59119646 U JP S59119646U JP 1250583 U JP1250583 U JP 1250583U JP 1250583 U JP1250583 U JP 1250583U JP S59119646 U JPS59119646 U JP S59119646U
- Authority
- JP
- Japan
- Prior art keywords
- light
- output
- amplifier
- light emitting
- photoelectric switch
- 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
Landscapes
- Electronic Switches (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来例のブロック図、第２図は同上のタイムチ
ャート、第３図は本考案の実施例のブロック図、第４図
は同上のタイムチャートである。
１は発振器、２は投光用増巾器、３は投光素子、４は受
光素子、５は受光用増巾器、９はゲート回路を示す。FIG. 1 is a block diagram of the conventional example, FIG. 2 is a time chart of the same as above, FIG. 3 is a block diagram of an embodiment of the present invention, and FIG. 4 is a time chart of same as above. 1 is an oscillator, 2 is a light emitting amplifier, 3 is a light emitting element, 4 is a light receiving element, 5 is a light receiving amplifier, and 9 is a gate circuit.
Claims (1)
増巾する投光用増巾器と、投光用増巾器の出力により投
光パルスを投光する投光素子と、投光素子からの投光パ
ルスを受光する受光素子と、受光素子からの出力を増巾
する受光用増巾器とからなる光電スイッチにおいて、受
光用増巾器に接続され、投光パルスと投光パルスとの間
の期間だけゲートを開いてノイズを受信するゲート回路
と、ゲート回路の出力にて投光パルス間に発生するノイ
ズを検知する検知手段と、検知手段の出力が所定レベル
以上あれば投光パルス発生期間内における投光用増巾器
の利得を上昇させて投光パルスの出力を高めるとともに
、受光用増巾器の利得を下降せしめる利得制御手段とを
設けて成ることを特徴とする光電スイッチ。An oscillator that emits pulses at regular intervals, a light emitting amplifier that amplifies the output of the oscillator, a light emitting element that emits light pulses using the output of the light emitting amplifier, and from the light emitting element. In a photoelectric switch consisting of a light-receiving element that receives a light-emitting pulse, and a light-receiving amplifier that amplifies the output from the light-receiving element, the photoelectric switch is connected to the light-receiving amplifier, and is connected to the light-receiving amplifier to amplify the output of the light-emitting pulse. a gate circuit that opens the gate to receive noise only during the period between them; a detection means that detects the noise generated between the light emission pulses at the output of the gate circuit; and a light emission pulse when the output of the detection means is at a predetermined level or higher. A photoelectric switch comprising gain control means for increasing the gain of a light emitting amplifier during a generation period to increase the output of a light emitting pulse and decreasing the gain of a light receiving amplifier. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1250583U JPS59119646U (en) | 1983-01-31 | 1983-01-31 | photoelectric switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1250583U JPS59119646U (en) | 1983-01-31 | 1983-01-31 | photoelectric switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59119646U true JPS59119646U (en) | 1984-08-13 |
Family
ID=30143907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1250583U Pending JPS59119646U (en) | 1983-01-31 | 1983-01-31 | photoelectric switch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59119646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01282923A (en) * | 1988-05-09 | 1989-11-14 | Omron Tateisi Electron Co | Photoelectric switch |
-
1983
- 1983-01-31 JP JP1250583U patent/JPS59119646U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01282923A (en) * | 1988-05-09 | 1989-11-14 | Omron Tateisi Electron Co | Photoelectric switch |
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