JPS60156598U

JPS60156598U - Dynamic display control circuit

Info

Publication number: JPS60156598U
Application number: JP1984044062U
Authority: JP
Inventors: 文夫佐々木
Original assignee: 株式会社東芝
Priority date: 1984-03-29
Filing date: 1984-03-29
Publication date: 1985-10-18

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

[Brief explanation of drawings]

第１図は従来のダイナミック表示制御回路を示す図、第
２図は第１図の回路の動作を示す図、第３図は本考案に
よるダイナミック表示制御回路の一実施例を示す図、第
４図は第３図の回路の動作を示す図、第５図はタイマー
Ｔ１の動作、復帰状態を示す図である。ｙ□〜Ｘｎ・・・・・・表示データセット用ドライバ、
Ｙ１′〜Ｙｎ・・・…コントロール用ドライバ、ＬＥＤ
工、〜ＬＥＤ１ｎ、ＬＥＤ２１〜ＬＥＤ２ｎ、ＬＥＤｎ
１〜ＬＥＤｏｎ・・・・・・ＬＥＤ表示器、ｙ□〜。、
ｙｎ＋１・・・・・・ＡＮＤ素子、ＩＮＶ・・・・・・
インバータ素子、Ｔ□・・・・・・タイマー、ＴＯＵア
・・・・・・タイマー出力、ＩＮＶｏＵＴ・・・・・・
インバータ出力、ＡＬＭ・・・・・・タイマー検出異常
出力。FIG. 1 is a diagram showing a conventional dynamic display control circuit, FIG. 2 is a diagram showing the operation of the circuit in FIG. 1, FIG. 3 is a diagram showing an embodiment of the dynamic display control circuit according to the present invention, and FIG. This figure shows the operation of the circuit shown in FIG. 3, and FIG. 5 shows the operation and return state of the timer T1. y□～Xn・・・Display data set driver,
Y1'~Yn...Control driver, LED
Engineering, ~LED1n, LED21~LED2n, LEDn
1~LEDon...LED indicator, y□~. ,
yn+1...AND element, INV...
Inverter element, T□...Timer, TOUA...Timer output, INVoUT...
Inverter output, ALM...Timer detection abnormal output.

Claims

[Scope of utility model registration request]

In a dynamic display control circuit that sequentially lights up a plurality of LED indicators connected to the intersections of a matrix circuit using a display set driver and a control driver, an AND element provided on the input side of each control driver is used. , a dynamic display control circuit characterized in that a control signal is supplied to the above elements via a timer and an inverter element.