JPH0260372U - - Google Patents
Info
- Publication number
- JPH0260372U JPH0260372U JP13786888U JP13786888U JPH0260372U JP H0260372 U JPH0260372 U JP H0260372U JP 13786888 U JP13786888 U JP 13786888U JP 13786888 U JP13786888 U JP 13786888U JP H0260372 U JPH0260372 U JP H0260372U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- chromaticity
- luminance
- circuit
- luminance signal
- 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
- 238000000926 separation method Methods 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Picture Signal Circuits (AREA)
Description
図は本考案に係るカラーテレビジヨンの輝度信
号処理回路の一実施例を示すブロツク図である。
１……テレビ／ビデオ切換回路、３，５……入
力端子、７……分離回路、９……色度信号切換回
路、１１……輝度信号切換回路、１３……輝度信
号入力部、１５……色度信号入力部、１７……遅
延線、１９……制御回路、２１……トラツプ回路
、Ｐ１，Ｐ２……第１、第２の制御端子。
The figure is a block diagram showing an embodiment of a luminance signal processing circuit for a color television according to the present invention. DESCRIPTION OF SYMBOLS 1... Television/video switching circuit, 3, 5... Input terminal, 7... Separation circuit, 9... Chromaticity signal switching circuit, 11... Luminance signal switching circuit, 13... Luminance signal input section, 15... ... Chromaticity signal input section, 17 ... Delay line, 19 ... Control circuit, 21 ... Trap circuit, P 1 , P 2 ... First and second control terminals.
Claims (1)
度信号およびこの第１の色度信号が分離され主と
して輝度信号を含む第１の輝度信号を出力する分
離回路と、 予め分離された第２の輝度信号を入力する輝度
信号入力部と、 予め分離された第２の色度信号を入力する色度
信号入力部と、 前記第１および第２の輝度信号を選択的に切換
え出力する輝度信号切換回路と、 この輝度信号切換回路の動作に合わせて前記第
１および第２の色度信号を選択的に切換え出力す
る色度信号切換回路と、 前記輝度信号切換回路の出力側ラインに接続さ
れ搬送色信号成分を減衰させるトラツプ回路と、 前記輝度信号切換回路および色度信号切換回路
から前記第２の輝度信号および第２の色度信号が
出力されるとき前記トラツプ回路の動作を停止さ
せる制御回路と、 を具備してなることを特徴とするカラーテレビジ
ヨンの輝度信号処理回路。[Claims for Utility Model Registration] A first chromaticity signal separated from a composite video signal and a separation circuit for outputting a first luminance signal from which the first chromaticity signal is separated and mainly includes a luminance signal; a luminance signal input section that inputs a separated second luminance signal; a chromaticity signal input section that inputs a second chromaticity signal that has been separated in advance; and a chromaticity signal input section that selectively inputs the first and second luminance signals. a luminance signal switching circuit that switches and outputs the luminance signal; a chromaticity signal switching circuit that selectively switches and outputs the first and second chromaticity signals in accordance with the operation of the luminance signal switching circuit; and an output of the luminance signal switching circuit. a trap circuit connected to a side line and attenuating the carrier chrominance signal component; and a trap circuit connected to the side line to attenuate the carrier chrominance signal component; A brightness signal processing circuit for a color television, comprising: a control circuit for stopping operation; and a brightness signal processing circuit for a color television.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13786888U JPH0260372U (en) | 1988-10-24 | 1988-10-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13786888U JPH0260372U (en) | 1988-10-24 | 1988-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0260372U true JPH0260372U (en) | 1990-05-02 |
Family
ID=31399687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13786888U Pending JPH0260372U (en) | 1988-10-24 | 1988-10-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0260372U (en) |
-
1988
- 1988-10-24 JP JP13786888U patent/JPH0260372U/ja active Pending
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