JPH01136995U - - Google Patents
Info
- Publication number
- JPH01136995U JPH01136995U JP1988033948U JP3394888U JPH01136995U JP H01136995 U JPH01136995 U JP H01136995U JP 1988033948 U JP1988033948 U JP 1988033948U JP 3394888 U JP3394888 U JP 3394888U JP H01136995 U JPH01136995 U JP H01136995U
- Authority
- JP
- Japan
- Prior art keywords
- display
- temperature
- display board
- light emitting
- emitting elements
- 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
Links
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Description
第１図は本考案実施例の構成ブロツク図。第２
図は同実施例制御装置周辺の構成ブロツク図。第
３図は同実施例表示板上に配される発光ダイオー
ドの回路構成図。第４図は緑色ＬＥＤと赤色ＬＥ
Ｄの発光デユーテイーコントロールの一例を示す
タイムチヤート。第５図は表示パターンの書き換
えに関するタイムチヤート。第６図は本考案実施
例による制御系に関する構成ブロツク図。第７図
は外光の明るさレベルとそれに対応する発光ダイ
オードの発光輝度変化例。
Ｇ１〜Ｇ４，Ｒ１〜Ｒ４は発光ダイオード、２
は表示板、３は制御装置、４は表示板コントロー
ラ、１０は温度センサー。
FIG. 1 is a block diagram of an embodiment of the present invention. Second
The figure is a block diagram of the configuration around the control device of the same embodiment. FIG. 3 is a circuit diagram of a light emitting diode arranged on the display board of the same embodiment. Figure 4 shows green LED and red LED
A time chart showing an example of light emission duty control of D. FIG. 5 is a time chart regarding rewriting the display pattern. FIG. 6 is a configuration block diagram of a control system according to an embodiment of the present invention. Figure 7 shows an example of the brightness level of external light and the corresponding change in luminance of a light emitting diode. G1 to G4 , R1 to R4 are light emitting diodes, 2
3 is a display board, 3 is a control device, 4 is a display board controller, and 10 is a temperature sensor.
Claims (1)
成る表示板と、該発光素子を選択的に点灯し表示
パターンを表示する表示板コントローラと、表示
板周辺温度を検出する温度センサーと、予め設定
される表示プログラムに従い前記表示板コントロ
ーラを制御する制御装置とを備え、検出温度が設
定温度以上の上昇を示した時は、表示パターンの
表示切り換え時に温度上昇に比例して可変する無
表示期間を設けることを特徴とする電光表示装置
。 A display board made up of a plurality of light emitting elements arranged in a matrix, a display board controller that selectively lights up the light emitting elements to display a display pattern, and a temperature sensor that detects the temperature around the display board. and a control device that controls the display board controller according to a display program, and when the detected temperature shows a rise above the set temperature, a non-display period is provided that varies in proportion to the temperature rise when switching the display pattern. An electric display device featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988033948U JPH075513Y2 (en) | 1988-03-15 | 1988-03-15 | Electronic display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988033948U JPH075513Y2 (en) | 1988-03-15 | 1988-03-15 | Electronic display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01136995U true JPH01136995U (en) | 1989-09-19 |
| JPH075513Y2 JPH075513Y2 (en) | 1995-02-08 |
Family
ID=31260667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988033948U Expired - Lifetime JPH075513Y2 (en) | 1988-03-15 | 1988-03-15 | Electronic display |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH075513Y2 (en) |
-
1988
- 1988-03-15 JP JP1988033948U patent/JPH075513Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH075513Y2 (en) | 1995-02-08 |
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