JPS5468955A - Two-line ac contactless switch - Google Patents

Two-line ac contactless switch

Info

Publication number
JPS5468955A
JPS5468955A JP13586477A JP13586477A JPS5468955A JP S5468955 A JPS5468955 A JP S5468955A JP 13586477 A JP13586477 A JP 13586477A JP 13586477 A JP13586477 A JP 13586477A JP S5468955 A JPS5468955 A JP S5468955A
Authority
JP
Japan
Prior art keywords
diode
silicon controlled
transistor
controlled rectifier
brightness
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.)
Granted
Application number
JP13586477A
Other languages
Japanese (ja)
Other versions
JPS6121B2 (en
Inventor
Hisatoshi Nodera
Hiroyuki Yamazaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Omron Corp
Original Assignee
Omron Tateisi Electronics Co
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 by Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Priority to JP13586477A priority Critical patent/JPS5468955A/en
Publication of JPS5468955A publication Critical patent/JPS5468955A/en
Publication of JPS6121B2 publication Critical patent/JPS6121B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/72—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region

Abstract

PURPOSE:To prevent the brightness of a luminescent diode from fluctuating when the voltage of power flucturates, by adding a transistor to a circuit consisting of a constant voltage diode and two silicon controlled rectifiers controlled through a sensor circuit. CONSTITUTION:The transistor 24 is turned on or off by the action of the sensor circuit 1 such as a proximity switch to control the silicon controlled rectifiers 22, 23. A diode 32 is connected between the cathode of the constant voltage diode and the node of a resistor 26 with a capacitor 29. Current is kept by the diode 32 from flowing thorugh the resistor 26. Thereby, the leaking current during the turn-off of the silicon controlled rectifier 22 is reduced. A transistor 35 is coupled between the gate and cathode of the silicon controlled rectifier 23. Therefore, a low gate current is sufficient to trigger the silicon controlled rectifier 23. Even if the power voltage fluctuates, stable phase control is perforemd. Thereby, the fluctuation of the brightness of the luminescent diode 34 is prevented.
JP13586477A 1977-11-11 1977-11-11 Two-line ac contactless switch Granted JPS5468955A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13586477A JPS5468955A (en) 1977-11-11 1977-11-11 Two-line ac contactless switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13586477A JPS5468955A (en) 1977-11-11 1977-11-11 Two-line ac contactless switch

Publications (2)

Publication Number Publication Date
JPS5468955A true JPS5468955A (en) 1979-06-02
JPS6121B2 JPS6121B2 (en) 1986-01-06

Family

ID=15161537

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13586477A Granted JPS5468955A (en) 1977-11-11 1977-11-11 Two-line ac contactless switch

Country Status (1)

Country Link
JP (1) JPS5468955A (en)

Also Published As

Publication number Publication date
JPS6121B2 (en) 1986-01-06

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