JPS62140587U - - Google Patents
Info
- Publication number
- JPS62140587U JPS62140587U JP2729686U JP2729686U JPS62140587U JP S62140587 U JPS62140587 U JP S62140587U JP 2729686 U JP2729686 U JP 2729686U JP 2729686 U JP2729686 U JP 2729686U JP S62140587 U JPS62140587 U JP S62140587U
- Authority
- JP
- Japan
- Prior art keywords
- level information
- analog level
- signal
- contrast
- converted
- 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 1
Landscapes
- Television Receiver Circuits (AREA)
Description
第１図は本考案に係わる表示デイスプレイにお
けるコントラスト回路の実施例を示す回路図、第
２図は赤ビデオ、青ビデオ及び輝度信号の入力条
件と輝度レベルの関係を示したグラフである。
１…インバータ、２ａ〜２ｄ…ＡＮＤゲート、
３…Ｄ／Ａ変換部、４…インターフエース。
FIG. 1 is a circuit diagram showing an embodiment of a contrast circuit in a display according to the present invention, and FIG. 2 is a graph showing the relationship between input conditions and brightness levels of red video, blue video, and brightness signals. 1...Inverter, 2a-2d...AND gate,
3...D/A converter, 4...Interface.
Claims (1)
れた複数のデジタル情報がアナログレベル情報に
変換され、このアナログレベル情報を輝度信号が
低輝度側のときの各色信号のコントラスト制御信
号となしたことを特徴とする表示デイスプレイに
おけるコントラスト回路。 Multiple pieces of binarized digital information output in parallel via a computer are converted to analog level information, and this analog level information is used as a contrast control signal for each color signal when the luminance signal is on the low luminance side. Contrast circuit in display display features.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2729686U JPS62140587U (en) | 1986-02-26 | 1986-02-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2729686U JPS62140587U (en) | 1986-02-26 | 1986-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62140587U true JPS62140587U (en) | 1987-09-04 |
Family
ID=30829189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2729686U Pending JPS62140587U (en) | 1986-02-26 | 1986-02-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62140587U (en) |
-
1986
- 1986-02-26 JP JP2729686U patent/JPS62140587U/ja active Pending
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