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JPS5317931A - Electric current source circuit - Google Patents

Electric current source circuit

Info

Publication number
JPS5317931A
JPS5317931A JP9176476A JP9176476A JPS5317931A JP S5317931 A JPS5317931 A JP S5317931A JP 9176476 A JP9176476 A JP 9176476A JP 9176476 A JP9176476 A JP 9176476A JP S5317931 A JPS5317931 A JP S5317931A
Authority
JP
Japan
Prior art keywords
current source
electric current
source circuit
circuit
source
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
JP9176476A
Other versions
JPS5628290B2 (en
Inventor
Yuhei Abe
Katsuo Mori
Kazuo Onishi
Kiyoo Takeyasu
Katsuhiko Yabe
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 JP9176476A priority Critical patent/JPS5628290B2/ja
Publication of JPS5317931A publication Critical patent/JPS5317931A/en
Publication of JPS5628290B2 publication Critical patent/JPS5628290B2/ja
Application status is Expired legal-status Critical

Links

Abstract

PURPOSE: To improve power factor of electric source, by providing a choke coil and a control circuit which switches in higher frequency than that of commercial current source, in input side, when commercial current source is converted to direct current power, through rectifying circuit and smoothing circuit.
COPYRIGHT: (C)1978,JPO&Japio
JP9176476A 1976-07-31 1976-07-31 Expired JPS5628290B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9176476A JPS5628290B2 (en) 1976-07-31 1976-07-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9176476A JPS5628290B2 (en) 1976-07-31 1976-07-31

Publications (2)

Publication Number Publication Date
JPS5317931A true JPS5317931A (en) 1978-02-18
JPS5628290B2 JPS5628290B2 (en) 1981-07-01

Family

ID=14035611

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9176476A Expired JPS5628290B2 (en) 1976-07-31 1976-07-31

Country Status (1)

Country Link
JP (1) JPS5628290B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3044359A1 (en) * 1979-11-30 1981-07-02 Hitachi Ltd Power system
JPS56110441A (en) * 1980-02-05 1981-09-01 Hitachi Ltd Method of operating power factor improving device
US4831508A (en) * 1987-10-20 1989-05-16 Computer Products Inc. Power supply system having improved input power factor
JPH0296004A (en) * 1988-10-01 1990-04-06 Riyokuei Kensetsu Kk Golf play ground for snowfall area

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3044359A1 (en) * 1979-11-30 1981-07-02 Hitachi Ltd Power system
JPS56110441A (en) * 1980-02-05 1981-09-01 Hitachi Ltd Method of operating power factor improving device
JPH0474733B2 (en) * 1980-02-05 1992-11-27
US4831508A (en) * 1987-10-20 1989-05-16 Computer Products Inc. Power supply system having improved input power factor
JPH0296004A (en) * 1988-10-01 1990-04-06 Riyokuei Kensetsu Kk Golf play ground for snowfall area

Also Published As

Publication number Publication date
JPS5628290B2 (en) 1981-07-01

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