JPS5994442U - Power switching circuit - Google Patents

Power switching circuit

Info

Publication number
JPS5994442U
JPS5994442U JP18968482U JP18968482U JPS5994442U JP S5994442 U JPS5994442 U JP S5994442U JP 18968482 U JP18968482 U JP 18968482U JP 18968482 U JP18968482 U JP 18968482U JP S5994442 U JPS5994442 U JP S5994442U
Authority
JP
Japan
Prior art keywords
power supply
switching circuit
supply driving
controlled
power switching
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
JP18968482U
Other languages
Japanese (ja)
Inventor
秀次 川崎
増原　正美
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 JP18968482U priority Critical patent/JPS5994442U/en
Publication of JPS5994442U publication Critical patent/JPS5994442U/en
Pending legal-status Critical Current

Links

Landscapes

  • Circuits Of Receivers In General (AREA)
  • Electronic Switches (AREA)

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 drawings]

図面は本考案に係る電源切換回路を示すものである。 Ｑ□、　Ｑ２は電源駆動用トランジスタ、Ｑ３はスイッ
チングトランジスタ。The drawing shows a power supply switching circuit according to the present invention. Q□, Q2 is a power supply driving transistor, and Q3 is a switching transistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] コントロール信号によりオン・オフ制御されるスイッチ
ングトランジスタと、このスイッチングトランジスタに
てバイアス制御される第１電源駆動用トランジスタと、
この第１電源駆動用トランジスタが非駆動状態にあると
き、に駆動状態にバイアス制御される第２電源駆動用ト
ランジスタとよりなり、以って、前記第１及び第２電源
駆動用トランジスタの出力側より選択的に駆動電源を得
る構成とした電源切換回路。a switching transistor whose on/off is controlled by a control signal; a first power supply driving transistor whose bias is controlled by the switching transistor;
When this first power supply driving transistor is in a non-driven state, it becomes a second power supply driving transistor which is bias-controlled to a driven state, so that the output side of the first and second power supply driving transistors is A power supply switching circuit configured to obtain drive power more selectively.
JP18968482U 1982-12-14 1982-12-14 Power switching circuit Pending JPS5994442U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18968482U JPS5994442U (en) 1982-12-14 1982-12-14 Power switching circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18968482U JPS5994442U (en) 1982-12-14 1982-12-14 Power switching circuit

Publications (1)

Publication Number Publication Date
JPS5994442U true JPS5994442U (en) 1984-06-27

Family

ID=30408900

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18968482U Pending JPS5994442U (en) 1982-12-14 1982-12-14 Power switching circuit

Country Status (1)

Country Link
JP (1) JPS5994442U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5327436B2 (en) * 1974-03-04 1978-08-08

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5327436B2 (en) * 1974-03-04 1978-08-08

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