JPH03130686U - - Google Patents
Info
- Publication number
- JPH03130686U JPH03130686U JP3965090U JP3965090U JPH03130686U JP H03130686 U JPH03130686 U JP H03130686U JP 3965090 U JP3965090 U JP 3965090U JP 3965090 U JP3965090 U JP 3965090U JP H03130686 U JPH03130686 U JP H03130686U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- output
- delay
- transmitted
- 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 5
- 238000010586 diagram Methods 0.000 description 9
- 239000002131 composite material Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
Landscapes
- Processing Of Color Television Signals (AREA)
Description
第１図は本考案の原理説明図、第２図は本考案
の一実施例構成図、第３図は本考案の動作説明図
、第４図は合成映像信号説明図、第５図は合成映
像信号より輝度信号と色信号を分離する分離手法
説明図、第６図は従来の分離回路の概略図、第７
図は従来の回路のパルス応答特性図、第８図は本
考案のパルス応答特性図を示す。
ＢＰＦ……バンドパス・フイルタ、ＧＤＬ……
ガラス遅延線回路、ＤＬ……遅延回路、１，２…
…減算器。
Fig. 1 is an explanatory diagram of the principle of the present invention, Fig. 2 is a configuration diagram of an embodiment of the invention, Fig. 3 is an explanatory diagram of the operation of the present invention, Fig. 4 is an explanatory diagram of the composite video signal, and Fig. 5 is a composite diagram. An explanatory diagram of a separation method for separating a luminance signal and a color signal from a video signal. Figure 6 is a schematic diagram of a conventional separation circuit. Figure 7
The figure shows a pulse response characteristic diagram of a conventional circuit, and FIG. 8 shows a pulse response characteristic diagram of the present invention. BPF...Band pass filter, GDL...
Glass delay line circuit, DL...Delay circuit, 1, 2...
...Subtractor.
Claims (1)
タと、 入力信号が伝達される遅延回路と、 前記バンドパス・フイルタの出力が伝達される
遅延線回路を具備し、 前記バンドパス・フイルタの出力と前記遅延線
回路の出力の差を求めて色信号を分離し、この得
られた色信号と前記遅延回路の出力の差を求めて
輝度信号を分離することを特徴とするビデオ信号
の輝度信号・色信号分離回路。 (2) 前記遅延回路の抵抗をトリミング可能に構
成したことを特徴とする請求項１記載のビデオ信
号の輝度信号・色信号分離回路。 (3) 前記遅延回路にゲイン調整回路を接続し、
そのゲイン調整用の抵抗をトリミング可能に構成
したことを特徴とする請求項１記載のビデオ信号
の輝度信号・色信号分離回路。[Claims for Utility Model Registration] (1) Comprising a bandpass filter to which an input signal is transmitted, a delay circuit to which the input signal is transmitted, and a delay line circuit to which the output of the bandpass filter is transmitted. , determining the difference between the output of the bandpass filter and the output of the delay line circuit to separate the chrominance signal, and determining the difference between the obtained chrominance signal and the output of the delay circuit to separate the luminance signal. Features video signal luminance signal/chrominance signal separation circuit. (2) The video signal luminance signal/chrominance signal separation circuit according to claim 1, wherein the resistor of the delay circuit is configured to be trimmable. (3) connecting a gain adjustment circuit to the delay circuit;
2. The video signal luminance signal/chrominance signal separation circuit according to claim 1, wherein the gain adjustment resistor is configured to be trimmable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3965090U JPH03130686U (en) | 1990-04-13 | 1990-04-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3965090U JPH03130686U (en) | 1990-04-13 | 1990-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03130686U true JPH03130686U (en) | 1991-12-27 |
Family
ID=31548752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3965090U Pending JPH03130686U (en) | 1990-04-13 | 1990-04-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03130686U (en) |
-
1990
- 1990-04-13 JP JP3965090U patent/JPH03130686U/ja active Pending
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