JPS5510268A - Switching circuit for power supply control - Google Patents

Switching circuit for power supply control

Info

Publication number
JPS5510268A
JPS5510268A JP8330578A JP8330578A JPS5510268A JP S5510268 A JPS5510268 A JP S5510268A JP 8330578 A JP8330578 A JP 8330578A JP 8330578 A JP8330578 A JP 8330578A JP S5510268 A JPS5510268 A JP S5510268A
Authority
JP
Japan
Prior art keywords
control signal
direct
current power
power supply
momentary
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
JP8330578A
Other languages
Japanese (ja)
Other versions
JPS583421B2 (en
Inventor
Ichiro Tanabe
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP53083305A priority Critical patent/JPS583421B2/en
Publication of JPS5510268A publication Critical patent/JPS5510268A/en
Publication of JPS583421B2 publication Critical patent/JPS583421B2/en
Expired 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
    • H03K17/60—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 the devices being bipolar transistors

Landscapes

  • Electronic Switches (AREA)

Abstract

PURPOSE:To allow a simple circuit to control the connection and disconnection of a direct-current power supply by a continuous control signal and momentary control signal without providing another control circuit externally. CONSTITUTION:Power input terminal A is connected to the direct-current power supply and when a control signal arrives at power-connection momentary control signal input terminal B1, transistors TR1 and TR2 conduct to supply a direct- current power to the load. This conduction state depends upon the time constant of resistance R4 and capacitor C1; when arrival of the control signal ends, Tr3 conducts, a controlled point is grounded via TR3, and TR1 and TR2 both remain conductive. When an earth signal arrives at power-disconnection momentary signal input signal B3, on the other hand, none of TR3, TR2 and TR1 conducts and the direct-current power supplied to the load is cut off. Further, when the earth signal arrives at continuous control signal input terminal B2, TR1 TR2 both conduct and capacitor C1 is grounded via diodes D22, thereby supplying the direct-current power to the load continuously.
JP53083305A 1978-07-07 1978-07-07 Switching circuit for power supply control Expired JPS583421B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53083305A JPS583421B2 (en) 1978-07-07 1978-07-07 Switching circuit for power supply control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53083305A JPS583421B2 (en) 1978-07-07 1978-07-07 Switching circuit for power supply control

Publications (2)

Publication Number Publication Date
JPS5510268A true JPS5510268A (en) 1980-01-24
JPS583421B2 JPS583421B2 (en) 1983-01-21

Family

ID=13798693

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53083305A Expired JPS583421B2 (en) 1978-07-07 1978-07-07 Switching circuit for power supply control

Country Status (1)

Country Link
JP (1) JPS583421B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59114617U (en) * 1983-01-20 1984-08-02 日本電気株式会社 power amplifier circuit
JPS60216590A (en) * 1984-04-12 1985-10-30 Minatoerekutoronikusu Kk Pulse-drive circuit of led

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59114617U (en) * 1983-01-20 1984-08-02 日本電気株式会社 power amplifier circuit
JPS60216590A (en) * 1984-04-12 1985-10-30 Minatoerekutoronikusu Kk Pulse-drive circuit of led

Also Published As

Publication number Publication date
JPS583421B2 (en) 1983-01-21

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