JPH01181092U - - Google Patents
Info
- Publication number
- JPH01181092U JPH01181092U JP7739588U JP7739588U JPH01181092U JP H01181092 U JPH01181092 U JP H01181092U JP 7739588 U JP7739588 U JP 7739588U JP 7739588 U JP7739588 U JP 7739588U JP H01181092 U JPH01181092 U JP H01181092U
- Authority
- JP
- Japan
- Prior art keywords
- screen
- signal
- pointer
- video signal
- liquid crystal
- 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
- 239000004973 liquid crystal related substance Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Overhead Projectors And Projection Screens (AREA)
- Digital Computer Display Output (AREA)
- Liquid Crystal Display Device Control (AREA)
Description
第1図は本考案実施例の構成を示すブロツク図
、第2図と第3図は本考案実施例の回路例を示す
図、第4図と第5図は本考案実施例の信号タイミ
ングチヤート、第6図は従来例の構成を示すブロ
ツク図である。
1……水平・垂直タイミング及びクロツク作成
回路、2……フレームメモリ書き込み回路、3…
…フレームメモリ読み出し及び液晶表示回路、4
……フレームメモリ回路、5……液晶表示パネル
、6……ポインタ作成回路、7……水平位置設定
回路、8……垂直位置設定回路。
Figure 1 is a block diagram showing the configuration of the embodiment of the present invention, Figures 2 and 3 are diagrams showing circuit examples of the embodiment of the invention, and Figures 4 and 5 are signal timing charts of the embodiment of the invention. , FIG. 6 is a block diagram showing the configuration of a conventional example. 1...Horizontal/vertical timing and clock generation circuit, 2...Frame memory writing circuit, 3...
...Frame memory readout and liquid crystal display circuit, 4
... Frame memory circuit, 5 ... Liquid crystal display panel, 6 ... Pointer creation circuit, 7 ... Horizontal position setting circuit, 8 ... Vertical position setting circuit.
Claims (1)
て画面に映像を表示する液晶表示装置において、
画面上の位置を設定する位置設定手段と、同期信
号に基づいて画面上の上記設定位置を検出する位
置検出手段と、上記位置検出手段により検出され
た位置に対応したポインタ信号を作成するポイン
タ作成手段と、映像信号と上記ポインタ信号とを
混合させて画面に表示する表示手段とを備えたこ
とを特徴とする液晶表示装置。 In a liquid crystal display device that displays an image on a screen by receiving a video signal and a synchronization signal from a video signal source,
A position setting means for setting a position on the screen, a position detection means for detecting the set position on the screen based on a synchronization signal, and a pointer creation for creating a pointer signal corresponding to the position detected by the position detection means. A liquid crystal display device comprising: a display means for mixing a video signal and the pointer signal and displaying the mixture on a screen.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7739588U JPH01181092U (en) | 1988-06-10 | 1988-06-10 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7739588U JPH01181092U (en) | 1988-06-10 | 1988-06-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01181092U true JPH01181092U (en) | 1989-12-27 |
Family
ID=31302385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7739588U Pending JPH01181092U (en) | 1988-06-10 | 1988-06-10 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01181092U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6086592A (en) * | 1983-10-18 | 1985-05-16 | 株式会社リコー | Cursor display control system |
-
1988
- 1988-06-10 JP JP7739588U patent/JPH01181092U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6086592A (en) * | 1983-10-18 | 1985-05-16 | 株式会社リコー | Cursor display control system |
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