JPS59161779U - comb filter device - Google Patents
comb filter deviceInfo
- Publication number
- JPS59161779U JPS59161779U JP5409083U JP5409083U JPS59161779U JP S59161779 U JPS59161779 U JP S59161779U JP 5409083 U JP5409083 U JP 5409083U JP 5409083 U JP5409083 U JP 5409083U JP S59161779 U JPS59161779 U JP S59161779U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- filter device
- input signal
- difference
- 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
- Picture Signal Circuits (AREA)
- Television Signal Processing For Recording (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図は従来の櫛形濾波装置の一例を示す構成図、第２
図は第１図で示した装置の各部における波形を示した特
性図、第３図は本考案の櫛形濾波装置の一実施例を示す
構成図、第４図は第３図に示した装置の各部における信
号波形を示した特性−図である。
１００・・・遅延回路、１０１，１０４・・・減算器、
１０３・・・制限回路、１０５・・・非相関検出回路、
１０６・・・スイッチ。Figure 1 is a configuration diagram showing an example of a conventional comb filter device;
The figure is a characteristic diagram showing waveforms in each part of the device shown in FIG. 1, FIG. 3 is a block diagram showing an embodiment of the comb filter device of the present invention, and FIG. 4 is a diagram showing the configuration of the device shown in FIG. It is a characteristic diagram showing signal waveforms at each part. 100...Delay circuit, 101, 104...Subtractor,
103... Limiting circuit, 105... Non-correlation detection circuit,
106...Switch.
Claims (1)
遅延信号の差分を取り出す回路と、差分された信号の振
幅を制限回路と、振幅を制限された制限差分信号を入力
信号に逆加算する回路とを有する櫛形濾波装置において
、前記差分信号が一定振幅以上となる非相関信号部を検
出する非相関検出回路と、該非相関検出回路が差分信号
の非相゛ 関部を検出している期間、前記制限差分
信号を入力信号に逆加算しない回路とを具備したことを
特徴とする櫛形濾波装置。A delay circuit that delays an input signal for a predetermined period of time, a circuit that extracts the difference between the input signal and the delayed signal, a circuit that limits the amplitude of the differential signal, and a circuit that inversely adds a limited differential signal whose amplitude has been limited to the input signal. a comb-shaped filter device comprising: a decorrelation detection circuit for detecting a non-correlation signal portion where the difference signal has a certain amplitude or more; and a period during which the decorrelation detection circuit detects the non-correlation portion of the difference signal; A comb filter device comprising: a circuit that does not inversely add the limited difference signal to an input signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5409083U JPS59161779U (en) | 1983-04-13 | 1983-04-13 | comb filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5409083U JPS59161779U (en) | 1983-04-13 | 1983-04-13 | comb filter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59161779U true JPS59161779U (en) | 1984-10-30 |
Family
ID=30184444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5409083U Pending JPS59161779U (en) | 1983-04-13 | 1983-04-13 | comb filter device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59161779U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61173585A (en) * | 1985-01-28 | 1986-08-05 | Mitsubishi Electric Corp | Processing circuit of color video signal |
-
1983
- 1983-04-13 JP JP5409083U patent/JPS59161779U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61173585A (en) * | 1985-01-28 | 1986-08-05 | Mitsubishi Electric Corp | Processing circuit of color video signal |
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