JPS58164022U - Vehicle data recording device - Google Patents

Vehicle data recording device

Info

Publication number
JPS58164022U
JPS58164022U JP5837882U JP5837882U JPS58164022U JP S58164022 U JPS58164022 U JP S58164022U JP 5837882 U JP5837882 U JP 5837882U JP 5837882 U JP5837882 U JP 5837882U JP S58164022 U JPS58164022 U JP S58164022U
Authority
JP
Japan
Prior art keywords
recording device
data recording
vehicle data
microcomputer
vehicle
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
JP5837882U
Other languages
Japanese (ja)
Inventor
健 伊藤
Original Assignee
日産自動車株式会社
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 日産自動車株式会社 filed Critical 日産自動車株式会社
Priority to JP5837882U priority Critical patent/JPS58164022U/en
Publication of JPS58164022U publication Critical patent/JPS58164022U/en
Pending legal-status Critical Current

Links

Landscapes

  • Power Sources (AREA)
  • Stand-By Power Supply Arrangements (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 the drawing]

第１図は従来装置の一例を示した回路ブロック面、第２
図は本考案の一実施例を示した回路ブロック図である。 １・・・データ処理部、２・・・入力インタフェース、
３・・・マルチプレクサ、４・・・ＣＰＵ（中央処理ユ
ニット）、５・・・ＲＯＭ（リードオンメモリ）、６・
・・ＲＡＭ（ランダムアクセスメモリ）、７・・・電源
スィッチ、８・・・バツテリイ、９・・・レギュレータ
、１０・・・メモリ電源回路、１１・・・予備電源、１
２・・・他の機器、２０・・・電圧検出回路、２２・・
・比較器。Figure 1 shows a circuit block surface showing an example of a conventional device;
The figure is a circuit block diagram showing an embodiment of the present invention. 1... Data processing unit, 2... Input interface,
3... Multiplexer, 4... CPU (central processing unit), 5... ROM (read-on memory), 6...
...RAM (Random Access Memory), 7...Power switch, 8...Battery, 9...Regulator, 10...Memory power supply circuit, 11...Backup power supply, 1
2...Other equipment, 20...Voltage detection circuit, 22...
・Comparator.

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のプログラム制御により所定周期
毎に車両用データを検出してメモリに記憶保持する車両
用データ収録装置に於いて、上記マイクロコンピュータ
への電源電圧が所定電圧以下に低下したときに、上記マ
イクロコンピュータに作動禁止命令信号を出力する電圧
低下検出手段を設けたことを特徴とする車両用データ収
録装置。In a vehicle data recording device that detects vehicle data at predetermined intervals and stores it in memory under program control of a microcomputer, when the power supply voltage to the microcomputer drops below a predetermined voltage, the microcomputer A data recording device for a vehicle, characterized in that it is provided with voltage drop detection means for outputting an operation prohibition command signal to a computer.
JP5837882U 1982-04-23 1982-04-23 Vehicle data recording device Pending JPS58164022U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5837882U JPS58164022U (en) 1982-04-23 1982-04-23 Vehicle data recording device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5837882U JPS58164022U (en) 1982-04-23 1982-04-23 Vehicle data recording device

Publications (1)

Publication Number Publication Date
JPS58164022U true JPS58164022U (en) 1983-11-01

Family

ID=30068771

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5837882U Pending JPS58164022U (en) 1982-04-23 1982-04-23 Vehicle data recording device

Country Status (1)

Country Link
JP (1) JPS58164022U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6164667U (en) * 1984-09-29 1986-05-02
JPS6164668U (en) * 1984-09-29 1986-05-02

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6164667U (en) * 1984-09-29 1986-05-02
JPS6164668U (en) * 1984-09-29 1986-05-02

Similar Documents

Publication Publication Date Title
JPS59192740U (en) computer equipment
JPS58164022U (en) Vehicle data recording device
JPS6075068U (en) printing device
JPS5814174U (en) Power outage detection circuit for memory protection
JPS5935050U (en) Reset circuit that also detects power supply voltage fluctuations
JPS58190900U (en) bubble memory cassette device
JPS5943249U (en) Combine alarm system
JPS583748U (en) voltage monitoring device
JPS6132751U (en) power backup device
JPS59174627U (en) Power supply sequence processing device
JPS6030020U (en) power supply
JPS5940902U (en) Load drive circuit in automotive electronic equipment
JPS6141335U (en) power supply system
JPS59130300U (en) Semiconductor memory data content protection device
JPS61199798U (en)
JPS59122624U (en) Electronics
JPS60184133U (en) Battery backup memory circuit
JPS6119858U (en) Microprocessor runaway safety device
JPS5974435U (en) Automotive computer system
JPS6126265U (en) Battery charging control device
JPS5928725U (en) reset circuit
JPS6079226U (en) Memory battery power backup device
JPS59151672U (en) automatic screw tightening machine
JPS60131034U (en) Microcomputer device with restart mechanism
JPS60131096U (en) information monitoring device