JPS53132252A - Power supply switch circuit - Google Patents

Power supply switch circuit

Info

Publication number
JPS53132252A
JPS53132252A JP4684377A JP4684377A JPS53132252A JP S53132252 A JPS53132252 A JP S53132252A JP 4684377 A JP4684377 A JP 4684377A JP 4684377 A JP4684377 A JP 4684377A JP S53132252 A JPS53132252 A JP S53132252A
Authority
JP
Japan
Prior art keywords
power supply
switch circuit
supply switch
establish
life
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
JP4684377A
Other languages
Japanese (ja)
Inventor
Shuichi Torii
Hiroyasu Nomiya
Tamotsu Arai
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP4684377A priority Critical patent/JPS53132252A/en
Publication of JPS53132252A publication Critical patent/JPS53132252A/en
Pending 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
    • H03K17/687—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 field-effect transistors
    • H03K17/693—Switching arrangements with several input- or output-terminals, e.g. multiplexers, distributors

Landscapes

  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Electronic Switches (AREA)

Abstract

PURPOSE:To establish a circuit making the life of liquid crystals longer, by coupling power supply terminals of a plurality having different voltages with a load via electronic switches.
JP4684377A 1977-04-25 1977-04-25 Power supply switch circuit Pending JPS53132252A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4684377A JPS53132252A (en) 1977-04-25 1977-04-25 Power supply switch circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4684377A JPS53132252A (en) 1977-04-25 1977-04-25 Power supply switch circuit

Publications (1)

Publication Number Publication Date
JPS53132252A true JPS53132252A (en) 1978-11-17

Family

ID=12758613

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4684377A Pending JPS53132252A (en) 1977-04-25 1977-04-25 Power supply switch circuit

Country Status (1)

Country Link
JP (1) JPS53132252A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58108099A (en) * 1981-12-07 1983-06-28 Fujitsu Ltd Fuse blowing circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4984635A (en) * 1972-12-20 1974-08-14

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4984635A (en) * 1972-12-20 1974-08-14

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58108099A (en) * 1981-12-07 1983-06-28 Fujitsu Ltd Fuse blowing circuit
JPH0421960B2 (en) * 1981-12-07 1992-04-14 Fujitsu Ltd

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