JPS6134480U

JPS6134480U - electronic speedometer

Info

Publication number: JPS6134480U
Application number: JP11970984U
Authority: JP
Inventors: 育夫勝又
Original assignee: カルソニックカンセイ株式会社
Priority date: 1984-08-03
Filing date: 1984-08-03
Publication date: 1986-03-03

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】第１図はこの考案の一実施例を示す電子式速度計の回路
を示すブ菊ツク構成図、第２図は従来の電子式速度計の
回路を示すブロック構成図、第３図は第２図タイミング
制御回路の出力波形図である。１・・・車速センサ、２・・・波形整形回路、３・・・
タイミング制御回路、４・・・アンドゲート、５・・・
カウンタ、６・・・ラッチ回路、７・・・デコーダ・ド
ライバ、８・・・表示器、．９．１０・・・第１及び第
２のラッチ回路、１１・・・加算回路。[Brief Description of the Drawings] Fig. 1 is a block diagram showing the circuit of an electronic speedometer according to an embodiment of this invention, and Fig. 2 is a block diagram showing the circuit of a conventional electronic speedometer. , FIG. 3 is an output waveform diagram of the timing control circuit of FIG. 2. 1... Vehicle speed sensor, 2... Waveform shaping circuit, 3...
Timing control circuit, 4...and gate, 5...
Counter, 6...Latch circuit, 7...Decoder/driver, 8...Display device, . 9.10...first and second latch circuits, 11...addition circuit.

Claims

[Scope of utility model registration request]

A counter 5 that inputs vehicle speed pulses generated in proportion to vehicle speed and counts the number of pulses within a predetermined sampling time, and a plurality of latch circuits 9 and 10 that store a plurality of outputs of the counter 5 in time series. and the plurality of Latch commercial routes 9.
.
1. An electronic speedometer comprising display circuits 7 and 8 that display outputs of 1.