JPS6242377U - - Google Patents
Info
- Publication number
- JPS6242377U JPS6242377U JP13282185U JP13282185U JPS6242377U JP S6242377 U JPS6242377 U JP S6242377U JP 13282185 U JP13282185 U JP 13282185U JP 13282185 U JP13282185 U JP 13282185U JP S6242377 U JPS6242377 U JP S6242377U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- detection circuit
- output signal
- component
- mixing
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims 2
- 239000000284 extract Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 13
Landscapes
- Picture Signal Circuits (AREA)
Description
第１図は本考案の映像信号処理回路のブロツク
図、第２図はその波形図、第３図はそのリミツタ
と輪郭検出回路の回路図、第４図はその特性図、
第５図及び第６図はその具体的回路図、第７図及
び第８図はその他の実施例の回路図、第９図はそ
の特性図、第１０図は先に提案した雑音除去装置
のブロツク図、第１１図はそのリミツタの回路図
、第１２図はその波形図、第１３図は従来の映像
信号処理回路のブロツク図、第１４図はそのスラ
イス回路の回路図、第１５図はその波形図である
。
１……ハイパスフイルタ、２……リミツタ、３
……反転増幅器、４……混合回路、１１……ハイ
パスフイルタ、１２……スライス回路、１３……
混合回路、１４……ローパスフイルタ、２１……
輪郭検出回路、４３……増幅器。
Figure 1 is a block diagram of the video signal processing circuit of the present invention, Figure 2 is its waveform diagram, Figure 3 is a circuit diagram of its limiter and contour detection circuit, Figure 4 is its characteristic diagram,
5 and 6 are specific circuit diagrams thereof, FIGS. 7 and 8 are circuit diagrams of other embodiments, FIG. 9 is a characteristic diagram thereof, and FIG. 10 is the noise removal device proposed earlier. Fig. 11 is a circuit diagram of the limiter, Fig. 12 is a waveform diagram thereof, Fig. 13 is a block diagram of a conventional video signal processing circuit, Fig. 14 is a circuit diagram of the slice circuit, and Fig. 15 is a circuit diagram of the limiter. It is a waveform diagram. 1... High pass filter, 2... Limiter, 3
...Inverting amplifier, 4...Mixing circuit, 11...High pass filter, 12...Slice circuit, 13...
Mixing circuit, 14...Low pass filter, 21...
Contour detection circuit, 43...amplifier.
Claims (1)
、該高域抽出回路の出力信号より第１のレベル以
下の成分を検出する第１の検出回路と、該高域抽
出回路の出力信号より第２のレベル以上の成分を
検出する第２の検出回路と、該第１の検出回路の
出力信号を逆相で、該第２の検出回路の出力信号
を正相で、各々該入力信号に混合する混合回路を
有することを特徴とする映像信号処理回路。 a high-frequency extraction circuit that extracts a high-frequency component of an input signal; a first detection circuit that detects a component below a first level from an output signal of the high-frequency extraction circuit; A second detection circuit that detects a component at a second level or above and the output signal of the first detection circuit are in opposite phase, and the output signal of the second detection circuit is in positive phase, respectively, to the input signal. A video signal processing circuit characterized by having a mixing circuit for mixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13282185U JPS6242377U (en) | 1985-08-30 | 1985-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13282185U JPS6242377U (en) | 1985-08-30 | 1985-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6242377U true JPS6242377U (en) | 1987-03-13 |
Family
ID=31032560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13282185U Pending JPS6242377U (en) | 1985-08-30 | 1985-08-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6242377U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5087228A (en) * | 1973-12-03 | 1975-07-14 | ||
| JPS5939525B2 (en) * | 1975-06-24 | 1984-09-25 | アメリカン サイアナミッド カンパニ− | Improvement of continuous extrusion method |
-
1985
- 1985-08-30 JP JP13282185U patent/JPS6242377U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5087228A (en) * | 1973-12-03 | 1975-07-14 | ||
| JPS5939525B2 (en) * | 1975-06-24 | 1984-09-25 | アメリカン サイアナミッド カンパニ− | Improvement of continuous extrusion method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH01148836U (en) | ||
| JPH024367U (en) | ||
| JPS6242377U (en) | ||
| JPS6237456U (en) | ||
| JPS6213029U (en) | ||
| JPS5834438U (en) | Waveform shaping circuit | |
| JPS6221665U (en) | ||
| JPS61104638U (en) | ||
| JPS6344167U (en) | ||
| JPS5939575U (en) | noise reduction circuit | |
| JPS62152572U (en) | ||
| JPS59161779U (en) | comb filter device | |
| JPS6395367U (en) | ||
| JPH0268519U (en) | ||
| JPH01104859U (en) | ||
| JPS6340071U (en) | ||
| JPS61189667U (en) | ||
| JPS58184947U (en) | Tone detection circuit | |
| JPS58166186U (en) | Dropout compensation circuit | |
| JPS5883814U (en) | frequency demodulator | |
| JPS62117858U (en) | ||
| JPS60163859U (en) | FM receiver | |
| JPS5873684U (en) | color signal amplifier | |
| JPS6277465U (en) | ||
| JPS6219858U (en) |