JPH03105082U - - Google Patents
Info
- Publication number
- JPH03105082U JPH03105082U JP1385690U JP1385690U JPH03105082U JP H03105082 U JPH03105082 U JP H03105082U JP 1385690 U JP1385690 U JP 1385690U JP 1385690 U JP1385690 U JP 1385690U JP H03105082 U JPH03105082 U JP H03105082U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- video signal
- phase correction
- chrominance
- 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
- 230000008030 elimination Effects 0.000 claims description 3
- 238000003379 elimination reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 9
- 239000002131 composite material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Landscapes
- Processing Of Color Television Signals (AREA)
- Filters That Use Time-Delay Elements (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図は本考案の補償説明図
、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。
Ｂ……入力バツフア、ＥＱ……位相補正回路、
ＧＤＬ……遅延線回路、ＢＥＦ……バンド・エリ
ミネーシヨン・フイルタ。
Figure 1 is a diagram explaining the principle of the present invention, Figure 2 is a configuration diagram of an embodiment of the invention, Figure 3 is a diagram explaining compensation of the present invention, Figure 4 is a diagram explaining the composite video signal, and Figure 5 is a diagram explaining the composition. A diagram explaining 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. B...Input buffer, EQ...Phase correction circuit,
GDL...delay line circuit, BEF...band elimination filter.
Claims (1)
ーシヨン・フイルタに伝達し、これらを経由して
得られた信号を、それぞれ加算演算または減算演
算することにより、ビデオ信号の輝度信号と色信
号を分離する分離回路において、 前記遅延回路及びバンド・エリミネーシヨン・
フイルタの前段に、位相補正回路を設置したこと
を特徴とするビデオ信号の輝度信号・色信号分離
回路。 (2) 前記位相補正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。[Claims for Utility Model Registration] (1) By transmitting an input signal to a delay circuit and a band elimination filter, and performing an addition or subtraction operation on the signals obtained through these, respectively, A separation circuit that separates a luminance signal and a chrominance signal of a video signal includes the delay circuit and band elimination circuit.
A video signal luminance signal/chrominance signal separation circuit characterized in that a phase correction circuit is installed before a filter. (2) The video signal luminance signal/chrominance signal separation circuit according to claim 1, wherein the resistance of the phase correction circuit is configured to be trimmable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1385690U JPH03105082U (en) | 1990-02-15 | 1990-02-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1385690U JPH03105082U (en) | 1990-02-15 | 1990-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03105082U true JPH03105082U (en) | 1991-10-31 |
Family
ID=31517246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1385690U Pending JPH03105082U (en) | 1990-02-15 | 1990-02-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03105082U (en) |
-
1990
- 1990-02-15 JP JP1385690U patent/JPH03105082U/ja active Pending
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