JPS5831738U - Power supply circuit for automotive electronic equipment - Google Patents

Power supply circuit for automotive electronic equipment

Info

Publication number
JPS5831738U
JPS5831738U JP12303581U JP12303581U JPS5831738U JP S5831738 U JPS5831738 U JP S5831738U JP 12303581 U JP12303581 U JP 12303581U JP 12303581 U JP12303581 U JP 12303581U JP S5831738 U JPS5831738 U JP S5831738U
Authority
JP
Japan
Prior art keywords
power supply
electronic equipment
supply circuit
voltage regulator
automotive electronic
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
JP12303581U
Other languages
Japanese (ja)
Inventor
津曲　守
祥太郎 内藤
Original Assignee
株式会社日立製作所
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 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP12303581U priority Critical patent/JPS5831738U/en
Publication of JPS5831738U publication Critical patent/JPS5831738U/en
Pending legal-status Critical Current

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  • Emergency Protection Circuit Devices (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) [Abstract] 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図は従来の回路図、第２図は本考案の回路図を示す
。FIG. 1 shows a conventional circuit diagram, and FIG. 2 shows a circuit diagram of the present invention.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] マイクロコンピュータ−内蔵のユニット部、螢光表示管
、ＤＣ−ＤＣコンバータ、及び電圧調整回路を有し、前
記ＤＣ−ＤＣコンバータの入力をキースイッチを介して
バッテリーへ接続し、前記電圧調整器の入力をＤＣ−Ｄ
Ｃコンバータ出力、及びダイオードを介してバッテリー
へ接続し、前記電圧調整器及びＤＣ−ＤＣコンバータの
面入力端にダイオードを接続し、かつツェナーダイオー
ドを前記電圧調整器の入力端に接続したことを特徴とす
る自動車電子装置用電源回路。Microcomputer - has a built-in unit, a fluorescent display tube, a DC-DC converter, and a voltage regulator circuit, the input of the DC-DC converter is connected to the battery via a key switch, and the input of the voltage regulator is connected to the battery via a key switch. DC-D
C converter output and a battery via a diode, a diode is connected to the plane input terminal of the voltage regulator and the DC-DC converter, and a Zener diode is connected to the input terminal of the voltage regulator. Power supply circuit for automotive electronic equipment.
JP12303581U 1981-08-21 1981-08-21 Power supply circuit for automotive electronic equipment Pending JPS5831738U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12303581U JPS5831738U (en) 1981-08-21 1981-08-21 Power supply circuit for automotive electronic equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12303581U JPS5831738U (en) 1981-08-21 1981-08-21 Power supply circuit for automotive electronic equipment

Publications (1)

Publication Number Publication Date
JPS5831738U true JPS5831738U (en) 1983-03-02

Family

ID=29916943

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12303581U Pending JPS5831738U (en) 1981-08-21 1981-08-21 Power supply circuit for automotive electronic equipment

Country Status (1)

Country Link
JP (1) JPS5831738U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013150405A (en) * 2012-01-18 2013-08-01 Hitachi Automotive Systems Ltd On-vehicle electronic control device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013150405A (en) * 2012-01-18 2013-08-01 Hitachi Automotive Systems Ltd On-vehicle electronic control device

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