JPS60140989U - Character display device - Google Patents
Character display deviceInfo
- Publication number
- JPS60140989U JPS60140989U JP2690784U JP2690784U JPS60140989U JP S60140989 U JPS60140989 U JP S60140989U JP 2690784 U JP2690784 U JP 2690784U JP 2690784 U JP2690784 U JP 2690784U JP S60140989 U JPS60140989 U JP S60140989U
- Authority
- JP
- Japan
- Prior art keywords
- display
- dot clock
- character
- generating
- display dot
- 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
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
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
第１図は従来例を示すブロック図、第２図は第１図にお
ける文字パターンジェネレータのデーター の表示図、
第３図は本考案の実施例を示すブロック図、第４図は第
３図における文字パターンジェネレータのデータの表示
図である。
１・・・・・・表示文字コード記憶メモリ、２，２′・
・・・・・文字パターンジェネレータ、３・・・・・・
表示ドツトクロック発生器、４・・・・・・表示タイミ
ング回路、５．５′・・・・・ゼデオ発生回路、６・・
・・・・フェーズロックループ、７・・・・・・電圧制
御発振器、８・・・・・・位相比較器、９・・・・・・
フィルター、１０・・・・・・選択回路。Fig. 1 is a block diagram showing a conventional example, Fig. 2 is a display diagram of data of the character pattern generator in Fig. 1,
FIG. 3 is a block diagram showing an embodiment of the present invention, and FIG. 4 is a display diagram of data of the character pattern generator in FIG. 1... Display character code storage memory, 2, 2'.
...Character pattern generator, 3...
Display dot clock generator, 4...Display timing circuit, 5.5'...Zedeo generation circuit, 6...
... Phase-locked loop, 7... Voltage controlled oscillator, 8... Phase comparator, 9...
Filter, 10...Selection circuit.
Claims (1)
コードにより第一の文字フォントデータを出力する第二
の手段と、第一の表示ドツトクロックを発生する第三の
手段と、前記第一の文字フォントデータに応じて前記第
一の表示ドツトクロックに同期した第一のビデオ信号を
発生する第四の手段と、前記第一の表示ドツトクロック
に同期し周波数の異なる第二の表示ドツトクロックを発
生する第五の手段と、前記表示文字コードに応じて前記
第二の表示ドツトクロックに同期した第二の文字フォン
トデータを発生する第六の手段と、前記第二の文字フォ
ントデータに応じて前記第二の表示ドツトクロックに同
期した第二のビデオ信号を発生する第七の手段と、前記
表示文字コードにより前記第四、第七の手段の出力の一
方を選択してモニターに出力する第への手段とを有する
ことを特徴とするキャラクタディスプレイ装置。 ′a first means for storing a display character code; a second means for outputting first character font data according to the display character code; a third means for generating a first display dot clock; fourth means for generating a first video signal synchronized with the first display dot clock according to character font data; and a second display dot clock synchronized with the first display dot clock and having a different frequency. a sixth means for generating second character font data synchronized with the second display dot clock according to the display character code; a seventh means for generating a second video signal synchronized with the second display dot clock; and selecting one of the outputs of the fourth and seventh means according to the display character code and outputting it to a monitor. A character display device characterized in that it has a second means. ′
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2690784U JPS60140989U (en) | 1984-02-27 | 1984-02-27 | Character display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2690784U JPS60140989U (en) | 1984-02-27 | 1984-02-27 | Character display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60140989U true JPS60140989U (en) | 1985-09-18 |
Family
ID=30523359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2690784U Pending JPS60140989U (en) | 1984-02-27 | 1984-02-27 | Character display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60140989U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5729085A (en) * | 1980-07-29 | 1982-02-16 | Ricoh Kk | Indication controlling method for crt display unit |
| JPS5738488A (en) * | 1980-08-20 | 1982-03-03 | Ricoh Kk | Display control system for crt display |
| JPS5860788A (en) * | 1981-10-07 | 1983-04-11 | 日本電気株式会社 | Character display control system |
-
1984
- 1984-02-27 JP JP2690784U patent/JPS60140989U/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5729085A (en) * | 1980-07-29 | 1982-02-16 | Ricoh Kk | Indication controlling method for crt display unit |
| JPS5738488A (en) * | 1980-08-20 | 1982-03-03 | Ricoh Kk | Display control system for crt display |
| JPS5860788A (en) * | 1981-10-07 | 1983-04-11 | 日本電気株式会社 | Character display control system |
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