JPS62125027U - - Google Patents

Info

Publication number
JPS62125027U
JPS62125027U JP1078486U JP1078486U JPS62125027U JP S62125027 U JPS62125027 U JP S62125027U JP 1078486 U JP1078486 U JP 1078486U JP 1078486 U JP1078486 U JP 1078486U JP S62125027 U JPS62125027 U JP S62125027U
Authority
JP
Japan
Prior art keywords
circuit
detection
signal
synchronization signal
detection circuit
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
Application number
JP1078486U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1078486U priority Critical patent/JPS62125027U/ja
Publication of JPS62125027U publication Critical patent/JPS62125027U/ja
Pending legal-status Critical Current

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  • Electronic Switches (AREA)
  • Logic Circuits (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

図面は本考案の一実施例を示すもので、第１図
は要部の電気的構成図、第２図は作用説明用のタ
イムチヤートである。 図面中、５はイクスクルーシブオア回路（検出
回路）、７は出力用スイツチングトランジスタ（
出力用スイツチング素子）、８は保護回路、１２
は同期信号発生回路を示す。 The drawings show one embodiment of the present invention, and FIG. 1 is an electrical configuration diagram of the main parts, and FIG. 2 is a time chart for explaining the operation. In the drawing, 5 is an exclusive OR circuit (detection circuit), and 7 is an output switching transistor (
output switching element), 8 is a protection circuit, 12
indicates a synchronization signal generation circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 所定周期の同期信号を発生する同期信号発生回
路と、受光素子からの受光信号を前記同期信号に
同期して受けるように設けられその受光信号のレ
ベルが所定のしきい値以上又は以下となつたとき
に検出信号を出力する検出回路と、前記検出信号
が出力されたときに動作される出力用スイツチン
グ素子と、この出力用スイツチング素子を介して
流れる負荷電流を検出するように設けられその負
荷電流が所定の限界値以上となつたときに前記検
出回路に対する前記受光信号の入力をキヤンセル
する保護回路とを有し、前記同期信号発生回路、
検出回路、出力用スイツチング素子及び保護回路
を一つのユニツトとして構成したことを特徴とす
る光電スイツチ。 a synchronization signal generation circuit that generates a synchronization signal with a predetermined cycle; and a synchronization signal generation circuit that is provided to receive a light reception signal from a light receiving element in synchronization with the synchronization signal, and the level of the light reception signal is above or below a predetermined threshold value. a detection circuit that outputs a detection signal when the detection signal is output; an output switching element that is operated when the detection signal is output; and a detection circuit that is provided to detect a load current flowing through the output switching element. a protection circuit that cancels input of the light reception signal to the detection circuit when the detection circuit exceeds a predetermined limit value, the synchronization signal generation circuit;
A photoelectric switch characterized by comprising a detection circuit, an output switching element, and a protection circuit as one unit.
JP1078486U 1986-01-28 1986-01-28 Pending JPS62125027U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1078486U JPS62125027U (en) 1986-01-28 1986-01-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1078486U JPS62125027U (en) 1986-01-28 1986-01-28

Publications (1)

Publication Number Publication Date
JPS62125027U true JPS62125027U (en) 1987-08-08

Family

ID=30797402

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1078486U Pending JPS62125027U (en) 1986-01-28 1986-01-28

Country Status (1)

Country Link
JP (1) JPS62125027U (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57173225A (en) * 1981-04-18 1982-10-25 Omron Tateisi Electronics Co Alternating-current two-line contactless switch
JPS5856836A (en) * 1981-09-30 1983-04-04 Matsushita Electric Works Ltd Production of resin-covered material
JPS61139776A (en) * 1984-12-11 1986-06-27 Riide Denki Kk Photoelectric switch
JPS62126A (en) * 1985-06-26 1987-01-06 Kiiensu:Kk Photoelectric switch

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57173225A (en) * 1981-04-18 1982-10-25 Omron Tateisi Electronics Co Alternating-current two-line contactless switch
JPS5856836A (en) * 1981-09-30 1983-04-04 Matsushita Electric Works Ltd Production of resin-covered material
JPS61139776A (en) * 1984-12-11 1986-06-27 Riide Denki Kk Photoelectric switch
JPS62126A (en) * 1985-06-26 1987-01-06 Kiiensu:Kk Photoelectric switch

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