JPH01173811U - - Google Patents

Info

Publication number
JPH01173811U
JPH01173811U JP6156788U JP6156788U JPH01173811U JP H01173811 U JPH01173811 U JP H01173811U JP 6156788 U JP6156788 U JP 6156788U JP 6156788 U JP6156788 U JP 6156788U JP H01173811 U JPH01173811 U JP H01173811U
Authority
JP
Japan
Prior art keywords
power supply
supply system
power
battery
supplied
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.)
Granted
Application number
JP6156788U
Other languages
English (en)
Other versions
JP2521655Y2 (ja
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 filed Critical
Priority to JP1988061567U priority Critical patent/JP2521655Y2/ja
Priority to DE68926799T priority patent/DE68926799T2/de
Priority to EP89106350A priority patent/EP0340485B1/en
Priority to US07/337,134 priority patent/US5202668A/en
Publication of JPH01173811U publication Critical patent/JPH01173811U/ja
Application granted granted Critical
Publication of JP2521655Y2 publication Critical patent/JP2521655Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Control Of Electrical Variables (AREA)

Description

【図面の簡単な説明】
第1図はこの考案の一実施例による電源回路を
示す全体回路図、第2図は第1図及び従来の回路
の動作を示す波形図、第3図及び第4図は本考案
の他の実施例の回路図である。 1……蛍光表示管、2……車速センサ、3……
マイクロコンピユータ、4……ドライバIG、5
……バツテリ、6……IGN SW、8……DC
/DCコンバータ、9……第1の電源系、10…
…ダイオード、12……三端子レギユレータ、1
4……第2の電源系、15……ダイオード。

Claims (1)

    【実用新案登録請求の範囲】
  1. バツテリ5からイグニツシヨンスイツチ6を介
    して給電される第1の電源系9と、前記バツテリ
    5から直接給電される第2の電源系14とを備え
    てなる電源回路において、前記第1、第2の電源
    系9,14間に、前記第2の電源系14から前記
    第1の電源系9に向けてダイオード15が接続さ
    れてなることを特徴とする電源回路。
JP1988061567U 1988-04-12 1988-05-12 表示器駆動回路 Expired - Lifetime JP2521655Y2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1988061567U JP2521655Y2 (ja) 1988-05-12 1988-05-12 表示器駆動回路
DE68926799T DE68926799T2 (de) 1988-04-12 1989-04-11 Steuerungssystem für Headup-Displays für Kraftfahrzeuge
EP89106350A EP0340485B1 (en) 1988-04-12 1989-04-11 Control system for head-up display for automotive vehicles
US07/337,134 US5202668A (en) 1988-04-12 1989-04-12 Control system for a head-up display for automotive vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988061567U JP2521655Y2 (ja) 1988-05-12 1988-05-12 表示器駆動回路

Publications (2)

Publication Number Publication Date
JPH01173811U true JPH01173811U (ja) 1989-12-11
JP2521655Y2 JP2521655Y2 (ja) 1996-12-25

Family

ID=31287226

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988061567U Expired - Lifetime JP2521655Y2 (ja) 1988-04-12 1988-05-12 表示器駆動回路

Country Status (1)

Country Link
JP (1) JP2521655Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5120139U (ja) * 1974-08-02 1976-02-14
JPS51137530U (ja) * 1975-04-28 1976-11-06

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5120139U (ja) * 1974-08-02 1976-02-14
JPS51137530U (ja) * 1975-04-28 1976-11-06

Also Published As

Publication number Publication date
JP2521655Y2 (ja) 1996-12-25

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