JPS521440A - Input voltage making circuit - Google Patents

Input voltage making circuit

Info

Publication number
JPS521440A
JPS521440A JP7668775A JP7668775A JPS521440A JP S521440 A JPS521440 A JP S521440A JP 7668775 A JP7668775 A JP 7668775A JP 7668775 A JP7668775 A JP 7668775A JP S521440 A JPS521440 A JP S521440A
Authority
JP
Japan
Prior art keywords
input voltage
making circuit
voltage making
circuit
dropping
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
JP7668775A
Other languages
Japanese (ja)
Inventor
Yoshiaki Okamoto
Kenji Ando
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 JP7668775A priority Critical patent/JPS521440A/en
Publication of JPS521440A publication Critical patent/JPS521440A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H01H9/541—Contacts shunted by semiconductor devices

Landscapes

  • Keying Circuit Devices (AREA)

Abstract

PURPOSE: A A.C. input voltage making circuit of power supply device capable of raising, reliability by a simplified circuit without dropping a sustaining voltage of a relay when the A.C. input voltage is applied.
COPYRIGHT: (C)1977,JPO&Japio
JP7668775A 1975-06-24 1975-06-24 Input voltage making circuit Pending JPS521440A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7668775A JPS521440A (en) 1975-06-24 1975-06-24 Input voltage making circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7668775A JPS521440A (en) 1975-06-24 1975-06-24 Input voltage making circuit

Publications (1)

Publication Number Publication Date
JPS521440A true JPS521440A (en) 1977-01-07

Family

ID=13612353

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7668775A Pending JPS521440A (en) 1975-06-24 1975-06-24 Input voltage making circuit

Country Status (1)

Country Link
JP (1) JPS521440A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0269250U (en) * 1988-11-07 1990-05-25

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0269250U (en) * 1988-11-07 1990-05-25

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