JPH03109488U - - Google Patents
Info
- Publication number
- JPH03109488U JPH03109488U JP1758290U JP1758290U JPH03109488U JP H03109488 U JPH03109488 U JP H03109488U JP 1758290 U JP1758290 U JP 1758290U JP 1758290 U JP1758290 U JP 1758290U JP H03109488 U JPH03109488 U JP H03109488U
- Authority
- JP
- Japan
- Prior art keywords
- delay
- output
- adjustment circuit
- inputs
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Processing Of Color Television Signals (AREA)
Description
第１図は本考案の一実施例の回路ブロツク図、
第２図は従来回路の回路ブロツク図を、それぞれ
示す。
３……遅延調整回路、７……第１減算回路、２
……１Ｈ遅延回路、４……振幅相関器、１……バ
ンドパスフイルタ。
FIG. 1 is a circuit block diagram of an embodiment of the present invention.
FIG. 2 shows circuit block diagrams of conventional circuits. 3... Delay adjustment circuit, 7... First subtraction circuit, 2
...1H delay circuit, 4...amplitude correlator, 1...bandpass filter.
Claims (1)
を分離するバンドパスフイルタ１と、 該バンドパスフイルタの後段に接続され、後続
する１Ｈ遅延素子２と共に高精度の１Ｈ遅延回路
を構成する遅延調整回路３と、 前記１Ｈ遅延素子の出力とカラー信号帯域成分
とを入力し不要輝度成分を導出する振幅相関器４
と、 該振幅相関器４の出力を入力し、前記遅延調整
回路３の出力にタイミングを合わせる遅延微調回
路５と、 前記遅延調整回路３の出力より前記遅延微調回
路５の出力を減算してカラー成分を分離する減算
回路７とを、 それぞれ配してなる櫛型フイルタ。[Claims for Utility Model Registration] A bandpass filter 1 that inputs a color video signal and separates the color signal band components, and a highly accurate 1H delay connected to the subsequent stage of the bandpass filter together with a subsequent 1H delay element 2. A delay adjustment circuit 3 constituting the circuit; and an amplitude correlator 4 that inputs the output of the 1H delay element and the color signal band component and derives unnecessary luminance components.
and a delay fine adjustment circuit 5 which inputs the output of the amplitude correlator 4 and adjusts the timing to the output of the delay adjustment circuit 3, and subtracts the output of the delay fine adjustment circuit 5 from the output of the delay adjustment circuit 3 to obtain color. A comb-shaped filter each having a subtraction circuit 7 for separating the components.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1758290U JP2507756Y2 (en) | 1990-02-23 | 1990-02-23 | Comb filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1758290U JP2507756Y2 (en) | 1990-02-23 | 1990-02-23 | Comb filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03109488U true JPH03109488U (en) | 1991-11-11 |
| JP2507756Y2 JP2507756Y2 (en) | 1996-08-21 |
Family
ID=31520773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1758290U Expired - Lifetime JP2507756Y2 (en) | 1990-02-23 | 1990-02-23 | Comb filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2507756Y2 (en) |
-
1990
- 1990-02-23 JP JP1758290U patent/JP2507756Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2507756Y2 (en) | 1996-08-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |