JPS6451990U - - Google Patents
Info
- Publication number
- JPS6451990U JPS6451990U JP14744487U JP14744487U JPS6451990U JP S6451990 U JPS6451990 U JP S6451990U JP 14744487 U JP14744487 U JP 14744487U JP 14744487 U JP14744487 U JP 14744487U JP S6451990 U JPS6451990 U JP S6451990U
- Authority
- JP
- Japan
- Prior art keywords
- video data
- display device
- segment
- electrodes
- image display
- 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
- 239000011159 matrix material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 2
Landscapes
- Liquid Crystal Display Device Control (AREA)
Description
図面は本考案の一実施例を示すもので、第１図
は全体の回路構成を示すブロツク図、第２図は第
１図におけるタイミング制御回路の要部の詳細を
示すブロツク図、第３図は第２図におけるセグメ
ント制御部の詳細を示す回路構成図、第４図はセ
グメント制御部の動作を説明するためのタイミン
グチヤート、第５図はコモン制御部の動作を説明
するためのタイミングチヤートである。
２……映像表示部、４……ＬＣパネル、１８…
…タイミング制御回路、２０ａ……水平シフトキ
ー、２０ｂ……垂直シフトキー、２１……キー入
力部、２６……セグメントドライバ、２７……コ
モンドライバ、３１……セグメント制御部、３２
……コモン制御部、３３……水平カウンタ、３４
……水平サンプリング比較用カウンタ、３５……
比較回路、３６……５２５進カウンタ、３７……
垂直サンプリング比較用カウンタ、３８……比較
回路、４１ａ〜４１ｈ，４４，５１ａ〜５１ｈ，
５４……フリツプフロツプ。
The drawings show one embodiment of the present invention; FIG. 1 is a block diagram showing the overall circuit configuration, FIG. 2 is a block diagram showing details of the main parts of the timing control circuit in FIG. 1, and FIG. is a circuit configuration diagram showing details of the segment control section in FIG. 2, FIG. 4 is a timing chart for explaining the operation of the segment control section, and FIG. 5 is a timing chart for explaining the operation of the common control section. be. 2...Video display unit, 4...LC panel, 18...
...Timing control circuit, 20a...Horizontal shift key, 20b...Vertical shift key, 21...Key input unit, 26...Segment driver, 27...Common driver, 31...Segment control unit, 32
... Common control section, 33 ... Horizontal counter, 34
...Horizontal sampling comparison counter, 35...
Comparison circuit, 36...525 base counter, 37...
Vertical sampling comparison counter, 38... Comparison circuit, 41a to 41h, 44, 51a to 51h,
54...Flip flop.
Claims (1)
列された表示装置に映像データを表示する画像表
示装置において、 映像データを前記走査電極またはセグメント電
極に供給するタイミングを制御することにより映
像データの表示領域を指定する手段を具備したこ
とを特徴とする画像表示装置の表示制御装置。[Claims for Utility Model Registration] In an image display device that displays video data on a display device in which scan electrodes and segment electrodes are arranged in a matrix, the timing of supplying video data to the scan electrodes or segment electrodes is controlled. 1. A display control device for an image display device, comprising means for specifying a display area of video data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14744487U JPS6451990U (en) | 1987-09-29 | 1987-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14744487U JPS6451990U (en) | 1987-09-29 | 1987-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6451990U true JPS6451990U (en) | 1989-03-30 |
Family
ID=31417849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14744487U Pending JPS6451990U (en) | 1987-09-29 | 1987-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6451990U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61138294A (en) * | 1984-12-10 | 1986-06-25 | 株式会社ピーエフユー | Video ram access control system |
-
1987
- 1987-09-29 JP JP14744487U patent/JPS6451990U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61138294A (en) * | 1984-12-10 | 1986-06-25 | 株式会社ピーエフユー | Video ram access control system |
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