JPS547531A - Dc power source equipment - Google Patents

Dc power source equipment

Info

Publication number
JPS547531A
JPS547531A JP7207777A JP7207777A JPS547531A JP S547531 A JPS547531 A JP S547531A JP 7207777 A JP7207777 A JP 7207777A JP 7207777 A JP7207777 A JP 7207777A JP S547531 A JPS547531 A JP S547531A
Authority
JP
Japan
Prior art keywords
power source
source equipment
transformer
frequency
rectifying
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
JP7207777A
Other languages
Japanese (ja)
Inventor
Naoki Furuhashi
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 JP7207777A priority Critical patent/JPS547531A/en
Publication of JPS547531A publication Critical patent/JPS547531A/en
Pending legal-status Critical Current

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  • Dc-Dc Converters (AREA)

Abstract

PURPOSE: When rectifying the output of transformer for transforming AC voltage having higher frequency than commercial frequency into DC power, to reduce high frequency current flowing from the secondary into the ground by providing electrostatic shield between primary and secondary windings of transformer.
COPYRIGHT: (C)1979,JPO&Japio
JP7207777A 1977-06-20 1977-06-20 Dc power source equipment Pending JPS547531A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7207777A JPS547531A (en) 1977-06-20 1977-06-20 Dc power source equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7207777A JPS547531A (en) 1977-06-20 1977-06-20 Dc power source equipment

Publications (1)

Publication Number Publication Date
JPS547531A true JPS547531A (en) 1979-01-20

Family

ID=13478974

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7207777A Pending JPS547531A (en) 1977-06-20 1977-06-20 Dc power source equipment

Country Status (1)

Country Link
JP (1) JPS547531A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58142743U (en) * 1982-03-19 1983-09-26 株式会社富士通ゼネラル Character sheet for information input devices
JPS58142742U (en) * 1982-03-19 1983-09-26 株式会社富士通ゼネラル Multi-item information input device
JPS63118633U (en) * 1987-01-21 1988-08-01
JPS63138886U (en) * 1987-02-27 1988-09-13
JPS63265563A (en) * 1987-04-22 1988-11-02 Shindengen Electric Mfg Co Ltd Switching power source device
JP2011050134A (en) * 2009-08-26 2011-03-10 Sanken Electric Co Ltd Resonant switching power supply device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5226421A (en) * 1975-08-22 1977-02-28 Sony Corp Transformer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5226421A (en) * 1975-08-22 1977-02-28 Sony Corp Transformer

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58142743U (en) * 1982-03-19 1983-09-26 株式会社富士通ゼネラル Character sheet for information input devices
JPS58142742U (en) * 1982-03-19 1983-09-26 株式会社富士通ゼネラル Multi-item information input device
JPS63118633U (en) * 1987-01-21 1988-08-01
JPS63138886U (en) * 1987-02-27 1988-09-13
JPS63265563A (en) * 1987-04-22 1988-11-02 Shindengen Electric Mfg Co Ltd Switching power source device
JP2011050134A (en) * 2009-08-26 2011-03-10 Sanken Electric Co Ltd Resonant switching power supply device
US8605463B2 (en) 2009-08-26 2013-12-10 Sanken Electric Co., Ltd. Resonant switching power supply device to reduce a frequency increase in light loads

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