JPS6454483U - - Google Patents
Info
- Publication number
- JPS6454483U JPS6454483U JP14907587U JP14907587U JPS6454483U JP S6454483 U JPS6454483 U JP S6454483U JP 14907587 U JP14907587 U JP 14907587U JP 14907587 U JP14907587 U JP 14907587U JP S6454483 U JPS6454483 U JP S6454483U
- Authority
- JP
- Japan
- Prior art keywords
- signal processing
- circuit
- processing system
- signals
- processing circuit
- 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
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Processing Of Color Television Signals (AREA)
Description
第１図は本考案に係る信号処理回路の一実施例
を示すブロツク図、第２図は本考案に使用するロ
ーパスフイルタの一例を示す回路図、第３図は第
２図のローパスフイルタの振幅及び遅延時間特性
を示す特性図、第４図及び第５図は本考案に係る
信号処理回路の他の実施例を示すブロツク図、第
６図は従来の信号処理回路を示すブロツク図、第
７図は第６図のコントラスト回路の一例を示す回
路図、第８図は従来の信号処理回路のクロストー
ク性能を示す特性図である。
１……ローパスフイルタ、２……コントラスト
回路、３……画質調整回路、４……デ・マトリク
ス回路、１１……輝度信号入力端子、１２，１３
……色信号入力端子、２１，２２，２３……三原
色信号出力端子。
FIG. 1 is a block diagram showing an embodiment of a signal processing circuit according to the present invention, FIG. 2 is a circuit diagram showing an example of a low-pass filter used in the present invention, and FIG. 3 is an amplitude diagram of the low-pass filter shown in FIG. FIGS. 4 and 5 are block diagrams showing other embodiments of the signal processing circuit according to the present invention, FIG. 6 is a block diagram showing a conventional signal processing circuit, and FIG. This figure is a circuit diagram showing an example of the contrast circuit of FIG. 6, and FIG. 8 is a characteristic diagram showing the crosstalk performance of a conventional signal processing circuit. 1...Low pass filter, 2...Contrast circuit, 3...Picture quality adjustment circuit, 4...Dematrix circuit, 11...Brightness signal input terminal, 12, 13
...Color signal input terminal, 21, 22, 23... Three primary color signal output terminals.
Claims (1)
号処理するものであつて、輝度信号処理系に所定
遅延時間を生じる画質調整回路を有した信号処理
回路において、 色信号処理系の途中に、フイルタ時定数が前記
輝度信号処理系の画質調整回路の所定遅延時間に
一致するように設定されたローパスフイルタを設
けたことを特徴とする信号処理回路。[Scope of Claim for Utility Model Registration] A signal processing circuit that enables luminance signals and color signals to be input separately and processes the signals, the signal processing circuit having an image quality adjustment circuit that causes a predetermined delay time in the luminance signal processing system, A signal processing circuit characterized in that a low pass filter is provided in the middle of a color signal processing system, the filter time constant of which is set to match a predetermined delay time of an image quality adjustment circuit of the luminance signal processing system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14907587U JPS6454483U (en) | 1987-09-29 | 1987-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14907587U JPS6454483U (en) | 1987-09-29 | 1987-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6454483U true JPS6454483U (en) | 1989-04-04 |
Family
ID=31420974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14907587U Pending JPS6454483U (en) | 1987-09-29 | 1987-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6454483U (en) |
-
1987
- 1987-09-29 JP JP14907587U patent/JPS6454483U/ja active Pending
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