JPH0159381U - - Google Patents
Info
- Publication number
- JPH0159381U JPH0159381U JP15570587U JP15570587U JPH0159381U JP H0159381 U JPH0159381 U JP H0159381U JP 15570587 U JP15570587 U JP 15570587U JP 15570587 U JP15570587 U JP 15570587U JP H0159381 U JPH0159381 U JP H0159381U
- Authority
- JP
- Japan
- Prior art keywords
- white balance
- balance control
- ray tube
- cathode ray
- tube device
- 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
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Processing Of Color Television Signals (AREA)
Description
第１図はこの考案の一実施例のブロツク回路図
、第２図はこの実施例のメモリに標準ホワイトバ
ランス制御データを書き込む場合のフロー図、第
３図はこの標準制御データが書き込まれたメモリ
を装着したＣＲＴ装置において標準制御データを
最適制御データに書き換える場合のフロー図、第
４図はこのＣＲＴ装置の作動時のホワイトバラン
ス制御動作のフロー図、第５図は従来のホワイト
バランス制御回路を含むＣＲＴ装置の要部のブロ
ツク回路図である。
１，２，３……入力信号処理回路、４，５……
ＲＧＢ分離回路、１５……Ｒ―アンプ、１６……
Ｇ―アンプ、１７……Ｂ―アンプ、１８……ＣＲ
Ｔ、１９……ＣＰＵ、２０……メモリ、２１……
入力信号選択スイツチ、２２……動作モード切換
スイツチ、２３……Ｒレベル検出回路、２４……
Ｇレベル検出回路、２５……Ｂレベル検出回路。
なお、各図中、同一符号は同一、または相当部分
を示す。
Fig. 1 is a block circuit diagram of an embodiment of this invention, Fig. 2 is a flow diagram for writing standard white balance control data into the memory of this embodiment, and Fig. 3 is a memory in which this standard control data is written. Figure 4 is a flow diagram of the white balance control operation when this CRT device is in operation, and Figure 5 is a flow diagram of the conventional white balance control circuit. FIG. 2 is a block circuit diagram of the main parts of the CRT device. 1, 2, 3... input signal processing circuit, 4, 5...
RGB separation circuit, 15...R-amplifier, 16...
G-amplifier, 17...B-amplifier, 18...CR
T, 19...CPU, 20...Memory, 21...
Input signal selection switch, 22... Operation mode selection switch, 23... R level detection circuit, 24...
G level detection circuit, 25...B level detection circuit.
In each figure, the same reference numerals indicate the same or corresponding parts.
Claims (1)
、それぞれ再生画像のホワイトバランスが最適と
なるホワイトバランス制御データをメモリに書き
込む手段と、選択された入力信号の種類に対応す
るホワイトバランス制御データを上記メモリから
読み出して当該陰極線管装置のＲ，Ｇ，Ｂアンプ
の増幅率を当該読み出したデータにもとづいて制
御する手段とを備えたホワイトバランス制御装置
。 A means for writing into a memory white balance control data that optimizes the white balance of a reproduced image for a plurality of types of input signals of a cathode ray tube device, and a means for writing white balance control data corresponding to the selected type of input signal into the memory. A white balance control device comprising means for reading out data from a cathode ray tube device and controlling amplification factors of R, G, and B amplifiers of the cathode ray tube device based on the read data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15570587U JPH0159381U (en) | 1987-10-12 | 1987-10-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15570587U JPH0159381U (en) | 1987-10-12 | 1987-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0159381U true JPH0159381U (en) | 1989-04-13 |
Family
ID=31433573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15570587U Pending JPH0159381U (en) | 1987-10-12 | 1987-10-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0159381U (en) |
-
1987
- 1987-10-12 JP JP15570587U patent/JPH0159381U/ja active Pending
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