JPH0230993U - - Google Patents
Info
- Publication number
- JPH0230993U JPH0230993U JP10874788U JP10874788U JPH0230993U JP H0230993 U JPH0230993 U JP H0230993U JP 10874788 U JP10874788 U JP 10874788U JP 10874788 U JP10874788 U JP 10874788U JP H0230993 U JPH0230993 U JP H0230993U
- Authority
- JP
- Japan
- Prior art keywords
- gradation
- generating means
- counter
- clocks
- counts
- 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
Links
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Digital Computer Display Output (AREA)
- Liquid Crystal Display Device Control (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Processing Of Color Television Signals (AREA)
Description
第１図はこの考案の一実施例の回路構成を示す
ブロツク図、第２図および第３図は同実施例に使
用されるＲＯＭを説明するための図、第４図は同
実施例を説明するためのタイムチヤート、第５図
および第６図は従来の画像表示装置の一例を示す
ブロツク図、第７図は同装置を説明するためのタ
イムチヤートである。
１１……アドレスカウンタ、アドレスラツチ、
１３……ＲＯＭ、１４……ラツチ、１５１，１５
２，１５３……カウンタ、１６１〜１６５……階
調発生回路、１７……データラツチ回路。
Fig. 1 is a block diagram showing the circuit configuration of an embodiment of this invention, Figs. 2 and 3 are diagrams for explaining the ROM used in the embodiment, and Fig. 4 explains the embodiment. 5 and 6 are block diagrams showing an example of a conventional image display device, and FIG. 7 is a time chart for explaining the same device. 11...Address counter, address latch,
13...ROM, 14...Latch, 151, 15
2,153...Counter, 161-165...Gradation generation circuit, 17...Data latch circuit.
Claims (1)
を発生する階調クロツク発生手段と、この階調ク
ロツク発生手段からの階調クロツクを各別にカウ
ントするカウンタと、これらカウンタのカウント
値を予め設定された階調データを比較するととも
にこれらの一致条件に応じた階調信号を出力する
階調信号発生手段とを具備したことを特徴とする
画像表示装置。 A gradation clock generating means that generates at least three types of gradation clocks with different cycles, a counter that separately counts the gradation clocks from the gradation clock generating means, and a counter that counts the count values of these counters in a preset gradation. 1. An image display device comprising: gradation signal generating means for comparing gradation data and outputting a gradation signal according to matching conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10874788U JPH0230993U (en) | 1988-08-19 | 1988-08-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10874788U JPH0230993U (en) | 1988-08-19 | 1988-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0230993U true JPH0230993U (en) | 1990-02-27 |
Family
ID=31344372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10874788U Pending JPH0230993U (en) | 1988-08-19 | 1988-08-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0230993U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58154896A (en) * | 1982-03-11 | 1983-09-14 | セイコーインスツルメンツ株式会社 | Liquid crystal display module device |
| JPS6142691A (en) * | 1984-08-07 | 1986-03-01 | セイコーエプソン株式会社 | Driving of liquid crystal display |
| JPS63185174A (en) * | 1987-01-28 | 1988-07-30 | Casio Comput Co Ltd | LCD display control device |
-
1988
- 1988-08-19 JP JP10874788U patent/JPH0230993U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58154896A (en) * | 1982-03-11 | 1983-09-14 | セイコーインスツルメンツ株式会社 | Liquid crystal display module device |
| JPS6142691A (en) * | 1984-08-07 | 1986-03-01 | セイコーエプソン株式会社 | Driving of liquid crystal display |
| JPS63185174A (en) * | 1987-01-28 | 1988-07-30 | Casio Comput Co Ltd | LCD display control device |
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