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JPS5941091U - power circuit - Google Patents

power circuit

Info

Publication number
JPS5941091U
JPS5941091U JP13704982U JP13704982U JPS5941091U JP S5941091 U JPS5941091 U JP S5941091U JP 13704982 U JP13704982 U JP 13704982U JP 13704982 U JP13704982 U JP 13704982U JP S5941091 U JPS5941091 U JP S5941091U
Authority
JP
Japan
Prior art keywords
voltage
circuit
positive
power supply
output
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
JP13704982U
Other languages
Japanese (ja)
Inventor
大「つき」　孝郎
俊彦 杉浦
Original Assignee
三洋電機株式会社
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 三洋電機株式会社 filed Critical 三洋電機株式会社
Priority to JP13704982U priority Critical patent/JPS5941091U/en
Publication of JPS5941091U publication Critical patent/JPS5941091U/en
Pending legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例を示す回路図、第２図イ及び
口はその説明に供する為の特性図である。 主な図番の説明、４・・・正直流電圧発生部、８゜１４
．１９・・・コンデンサ、１０・・・負直流電圧発生部
、１６・・・補助交直変換回路、２１・・・短絡トラン
ジスタ。FIG. 1 is a circuit diagram showing an embodiment of the present invention, and FIG. 2A and 2B are characteristic diagrams for explaining the same. Explanation of main drawing numbers, 4... Direct current voltage generation section, 8゜14
．． 19... Capacitor, 10... Negative DC voltage generator, 16... Auxiliary AC/DC conversion circuit, 21... Short circuit transistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 交流電源に接続され、第１出力端子に正の直流電圧を、
第２出力端子に負の直流電圧をそれぞれ発生することの
出来る第１交直変換回路と、該第１交直変換回路の放電
時定数よりも小なる放電時定数を有し、正の直流電圧を
発生することの出来る第２交直変換回路と、前記第２交
直変換回路の出力電圧によって制御され前記第１及び第
２出力端子を短絡する様に接続されたトランジスタとを
、　　　備え、電源遮断時に前記トランジスタをオンさ
せ、前記第１及び第２出力端子に得られる正負の直流電
圧を短時間に零とする様に成したことを特徴とする電源
回路。Connected to an AC power supply, with a positive DC voltage applied to the first output terminal,
A first AC/DC converter circuit capable of generating a negative DC voltage at a second output terminal, and a discharge time constant smaller than a discharge time constant of the first AC/DC converter circuit, and generates a positive DC voltage. and a transistor connected to short-circuit the first and second output terminals under the control of the output voltage of the second AC/DC converter circuit, the transistor being controlled by the output voltage of the second AC/DC converting circuit, 1. A power supply circuit characterized in that the power supply circuit is configured to turn on the positive and negative DC voltages obtained at the first and second output terminals to zero in a short time.
JP13704982U 1982-09-08 1982-09-08 power circuit Pending JPS5941091U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13704982U JPS5941091U (en) 1982-09-08 1982-09-08 power circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13704982U JPS5941091U (en) 1982-09-08 1982-09-08 power circuit

Publications (1)

Publication Number Publication Date
JPS5941091U true JPS5941091U (en) 1984-03-16

Family

ID=30307949

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13704982U Pending JPS5941091U (en) 1982-09-08 1982-09-08 power circuit

Country Status (1)

Country Link
JP (1) JPS5941091U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006204028A (en) * 2005-01-21 2006-08-03 Matsushita Electric Ind Co Ltd Direct-current power supply unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006204028A (en) * 2005-01-21 2006-08-03 Matsushita Electric Ind Co Ltd Direct-current power supply unit
JP4682624B2 (en) * 2005-01-21 2011-05-11 パナソニック株式会社 DC power supply

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