JPS59147330U - photoelectric switch - Google Patents
photoelectric switchInfo
- Publication number
- JPS59147330U JPS59147330U JP4038083U JP4038083U JPS59147330U JP S59147330 U JPS59147330 U JP S59147330U JP 4038083 U JP4038083 U JP 4038083U JP 4038083 U JP4038083 U JP 4038083U JP S59147330 U JPS59147330 U JP S59147330U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- photoelectric switch
- output signal
- level
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は一般的な光電スイッチのブロック図、第２図は
従来例の表示回路のブロック回路図、第３図は同上の動
作波形図、第４図は他の従来例の表示回路のブロック回
路図、第５図は同上の動作波形図、第６図は本考案の一
実施例の表示回路の ゛ブロック回路図、第７図は同
上の動作波形図、第８図は同上の他の実施例のブロック
回路図、第９図は同上の動作波形図である。
１は発振回路、２は投光回路、３は受光回路、４はレベ
ル弁別回路、５は出力回路、６は表示回路、８は積分回
路を示す。Figure 1 is a block diagram of a general photoelectric switch, Figure 2 is a block circuit diagram of a conventional display circuit, Figure 3 is an operating waveform diagram of the same as above, and Figure 4 is a block diagram of another conventional display circuit. 5 is an operating waveform diagram of the same as above, FIG. 6 is a block circuit diagram of a display circuit according to an embodiment of the present invention, FIG. 7 is an operating waveform diagram of the same as above, and FIG. The block circuit diagram of the embodiment, FIG. 9, is an operation waveform diagram of the same as above. 1 is an oscillation circuit, 2 is a light projecting circuit, 3 is a light receiving circuit, 4 is a level discrimination circuit, 5 is an output circuit, 6 is a display circuit, and 8 is an integrating circuit.
Claims (1)
る投光回路と、投光回路からの光信号を受光する受光回
路と、受光回路の出力を所定レベルで弁別するレベル弁
別回路と、レベル弁別回路の出力信号に応じて駆動され
る出力回路とを有する光電スイッチにおいて、受光回路
からの出力信号が所定レベル以上あれば出力する比較回
路と、比較回路の出力に応じて点灯する表示素子と、比
較回路の出力がなくなってから所定期間前記表示素子に
通電せしめる積分回路とからなる光軸調整用の表示回路
を付設したことを特徴とする光電スa light emitter circuit that emits an optical signal that is pulse-modulated at a predetermined cycle of an oscillation circuit; a light receiver circuit that receives the optical signal from the light emitter circuit; and a level discrimination circuit that discriminates the output of the light receiver circuit at a predetermined level; In a photoelectric switch that has an output circuit that is driven according to the output signal of the level discrimination circuit, a comparison circuit that outputs an output signal if the output signal from the light receiving circuit is equal to or higher than a predetermined level, and a display element that lights up according to the output of the comparison circuit. and an integrating circuit for energizing the display element for a predetermined period after the output of the comparison circuit disappears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4038083U JPS59147330U (en) | 1983-03-18 | 1983-03-18 | photoelectric switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4038083U JPS59147330U (en) | 1983-03-18 | 1983-03-18 | photoelectric switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59147330U true JPS59147330U (en) | 1984-10-02 |
Family
ID=30171000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4038083U Pending JPS59147330U (en) | 1983-03-18 | 1983-03-18 | photoelectric switch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59147330U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5445166U (en) * | 1977-09-05 | 1979-03-28 |
-
1983
- 1983-03-18 JP JP4038083U patent/JPS59147330U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5445166U (en) * | 1977-09-05 | 1979-03-28 |
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