JPH02134787U - - Google Patents
Info
- Publication number
- JPH02134787U JPH02134787U JP4277589U JP4277589U JPH02134787U JP H02134787 U JPH02134787 U JP H02134787U JP 4277589 U JP4277589 U JP 4277589U JP 4277589 U JP4277589 U JP 4277589U JP H02134787 U JPH02134787 U JP H02134787U
- Authority
- JP
- Japan
- Prior art keywords
- luminance signal
- delay circuit
- reproduced luminance
- subtracter
- pass filter
- 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
- 230000001934 delay Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Description
図面はいずれも本考案の輝度信号処理回路に係
り、第１図は本考案の輝度信号処理回路の一実施
例を示すブロツク図、第２図は本考案の他の実施
例を示すブロツク図である。
２…１Ｈ遅延回路、３…ハイパスフイルタ、４
…加算器、１５，１６…減算器。
The drawings all relate to the luminance signal processing circuit of the present invention; Fig. 1 is a block diagram showing one embodiment of the luminance signal processing circuit of the invention, and Fig. 2 is a block diagram showing another embodiment of the invention. be. 2...1H delay circuit, 3...High pass filter, 4
...Adder, 15, 16...Subtractor.
Claims (1)
帯域を含む高域周波数成分を通過せしめるハイパ
スフイルタと、 前記遅延回路に入力される再生輝度信号と前記
ハイパスフイルタの出力信号とを加算する減算器
とからなる輝度信号処理回路。 (2) 再生輝度信号を１Ｈ遅延する遅延回路と、 この遅延回路からの再生輝度信号と、該遅延回
路に入力される前記再生輝度信号とを減算する減
算器と。 前記減算器の出力信号のうち色信号帯域を含む
高域周波数成分を通過せしめるハイパスフイルタ
と、 前記遅延回路に入力される再生輝度信号と前記
ハイパスフイルタの出力信号とを減算する減算器
とからなる輝度信号処理回路。[Claims for Utility Model Registration] (1) A delay circuit that delays the reproduced luminance signal by 1H; a high-pass filter that passes high frequency components including the color signal band of the reproduced luminance signal from the delay circuit; and the delay circuit. A luminance signal processing circuit comprising a subtracter that adds a reproduced luminance signal input to the circuit and an output signal of the high-pass filter. (2) a delay circuit that delays the reproduced luminance signal by 1H; and a subtracter that subtracts the reproduced luminance signal from the delay circuit and the reproduced luminance signal input to the delay circuit. A high-pass filter that passes high-frequency components including the color signal band of the output signal of the subtracter; and a subtracter that subtracts the reproduced luminance signal input to the delay circuit and the output signal of the high-pass filter. Luminance signal processing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4277589U JPH02134787U (en) | 1989-04-12 | 1989-04-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4277589U JPH02134787U (en) | 1989-04-12 | 1989-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02134787U true JPH02134787U (en) | 1990-11-08 |
Family
ID=31554609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4277589U Pending JPH02134787U (en) | 1989-04-12 | 1989-04-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02134787U (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6129289A (en) * | 1984-07-20 | 1986-02-10 | Hitachi Ltd | Signal processing circuit of video signal recording and reproducing device |
| JPS62164398A (en) * | 1986-01-16 | 1987-07-21 | Sony Corp | Delay circuit |
| JPS62227278A (en) * | 1986-03-28 | 1987-10-06 | Sony Corp | Noise reduction circuit |
| JPS63146591A (en) * | 1986-12-09 | 1988-06-18 | Victor Co Of Japan Ltd | Noise eliminating circuit for video signal |
-
1989
- 1989-04-12 JP JP4277589U patent/JPH02134787U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6129289A (en) * | 1984-07-20 | 1986-02-10 | Hitachi Ltd | Signal processing circuit of video signal recording and reproducing device |
| JPS62164398A (en) * | 1986-01-16 | 1987-07-21 | Sony Corp | Delay circuit |
| JPS62227278A (en) * | 1986-03-28 | 1987-10-06 | Sony Corp | Noise reduction circuit |
| JPS63146591A (en) * | 1986-12-09 | 1988-06-18 | Victor Co Of Japan Ltd | Noise eliminating circuit for video signal |
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