JPS6061885U - Color decoder for NTSC signals - Google Patents
Color decoder for NTSC signalsInfo
- Publication number
- JPS6061885U JPS6061885U JP15341483U JP15341483U JPS6061885U JP S6061885 U JPS6061885 U JP S6061885U JP 15341483 U JP15341483 U JP 15341483U JP 15341483 U JP15341483 U JP 15341483U JP S6061885 U JPS6061885 U JP S6061885U
- Authority
- JP
- Japan
- Prior art keywords
- signal component
- color
- mhz
- filter
- color decoder
- 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
- Processing Of Color Television Signals (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図は本考案によるNTSC信号用カラーデコーダの
一実施例を示すブロック図、第2図、第3図、及び第4
図はそれぞれ第1図の実施例の動作説明の特性曲線図で
ある。
1・・・・・・くし形フィルタ、2・・・・・・トラッ
プフイル−タ、3・・・・・・アパーチャ補正回路、4
・・・・・田−パスフィルタ、5・・・・・・マトリク
ス回路、6・・・・・・バンドパスフィルタ、7・・・
・・・色信号復調回路。FIG. 1 is a block diagram showing an embodiment of a color decoder for NTSC signals according to the present invention, FIGS. 2, 3, and 4.
Each figure is a characteristic curve diagram illustrating the operation of the embodiment of FIG. 1. 1... Comb filter, 2... Trap filter, 3... Aperture correction circuit, 4
・・・・・・Ta-pass filter, 5... Matrix circuit, 6... Band pass filter, 7...
...Color signal demodulation circuit.
Claims (2)
で輝度信号成分とクロマ信号成分とに分離し、RGB3
色の色信号を得るようにしたカラーデコーダにおいて、
上記輝度信号成分のチャンネルにトラップフィルタと、
アパーチャ補正回路と、そしてローパスフィルタとを設
け、上記トラップフィルタによるトラップ周波数を3.
58MHzに、上記アパーチャ補正回路による補正周波
数を1.5MHzに、そして上記ローパスフィルタのカ
ットオフ周波数を5MHzにそれぞれ定めたことを特徴
とするNTSC信号用カラーデコーダ。(1) The NTSC system composite color signal is separated into a luminance signal component and a chroma signal component using a comb filter, and RGB3
In a color decoder that obtains color signals,
A trap filter is installed in the channel of the luminance signal component above,
An aperture correction circuit and a low-pass filter are provided, and the trap frequency by the trap filter is adjusted to 3.
58 MHz; a correction frequency by the aperture correction circuit is set to 1.5 MHz; and a cutoff frequency of the low-pass filter is set to 5 MHz.
ロマ信号成分の帯域幅を調整可能に構成したことを特徴
とするNTSC信号用カラーデコーダ。(2) Utility Model Registration The color decoder for NTSC signals according to claim 1, characterized in that the bandwidth of the chroma signal component is adjustable.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15341483U JPS6061885U (en) | 1983-10-04 | 1983-10-04 | Color decoder for NTSC signals |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15341483U JPS6061885U (en) | 1983-10-04 | 1983-10-04 | Color decoder for NTSC signals |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6061885U true JPS6061885U (en) | 1985-04-30 |
Family
ID=30339432
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15341483U Pending JPS6061885U (en) | 1983-10-04 | 1983-10-04 | Color decoder for NTSC signals |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6061885U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5728463U (en) * | 1980-07-25 | 1982-02-15 |
-
1983
- 1983-10-04 JP JP15341483U patent/JPS6061885U/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5728463U (en) * | 1980-07-25 | 1982-02-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS6061885U (en) | Color decoder for NTSC signals | |
JPS611983U (en) | Color decoder for video printing | |
JPS6123775U (en) | tuner unit | |
JPH0445345Y2 (en) | ||
JPH0382985U (en) | ||
JPS6114582U (en) | Y/C separation circuit for television signals | |
JPS5914433U (en) | AM-FM receiver | |
JPS601086U (en) | Contour correction circuit | |
JPS59180579U (en) | color television receiver | |
JPH02113427U (en) | ||
JPS5861578U (en) | Audio subcarrier separation circuit | |
JPS63165982U (en) | ||
JPS6027574U (en) | color monitor television | |
JPS5871284U (en) | Color signal processing circuit | |
JPS6068775U (en) | Video tape recorder color signal processing circuit | |
JPS5871282U (en) | Color signal recording/reproducing circuit | |
JPS5988983U (en) | color monitor receiver | |
JPS609388U (en) | Hue adjustment circuit in PAL color television receiver | |
JPS60127086U (en) | Y/C separator | |
JPS58184976U (en) | television receiver | |
JPS58139780U (en) | television receiver | |
JPS6442678U (en) | ||
JPS6114553U (en) | Stereo signal receiving circuit | |
JPS59129272U (en) | television receiver | |
JPS6135484U (en) | Single-panel color video camera |