JPS58169770U - Contour correction circuit - Google Patents
Contour correction circuitInfo
- Publication number
- JPS58169770U JPS58169770U JP6692382U JP6692382U JPS58169770U JP S58169770 U JPS58169770 U JP S58169770U JP 6692382 U JP6692382 U JP 6692382U JP 6692382 U JP6692382 U JP 6692382U JP S58169770 U JPS58169770 U JP S58169770U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- correction circuit
- noise removal
- contour correction
- removal 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
Landscapes
- Picture Signal Circuits (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図は輪郭部補正回路の一実施例を示す回路図、第２
図ａ ” ｃは第１図に示す回路の各部動作波形図、第
３図はこの考案による輪郭部補正回路の一実施例を示す
回路図、第４図ａ、 ｂおよび第５図ａ、 ｂは第
３図に示す回路の各部動作波形図、第６図、第７図は他
の実施例を示す回路図である。
１・・・二次微分回路、２・・・加算器、３・・・ノイ
ズ除去回路、４ａ、 ４ｂ、 ９−：］ ７デンサ
、５ａ、 ５ｂ。
８ａ、 ８ｂ、 １０−・・抵抗、＄ａ、 ５ｂ
−ダイオード、７ａ、 ７．ｂ・・・トランジスタ、
■□、■２・・・電流源。
ヤセ郊りFigure 1 is a circuit diagram showing one embodiment of the contour correction circuit;
Figures a and c are operation waveform diagrams of each part of the circuit shown in Figure 1, Figure 3 is a circuit diagram showing an embodiment of the contour correction circuit according to this invention, Figures 4 a and b, and Figures 5 a and b. 3 is a waveform diagram showing the operation of each part of the circuit shown in FIG. 3, and FIGS. 6 and 7 are circuit diagrams showing other embodiments. 1. Second order differential circuit, 2. Adder, 3. ...Noise removal circuit, 4a, 4b, 9-:] 7 Capacitor, 5a, 5b. 8a, 8b, 10-...Resistor, $a, 5b
-Diode, 7a, 7. b...transistor,
■□, ■2... Current source. Yase suburbs
Claims (1)
め設定したスライスレベルよりも小さなレベルを有する
信号は通さずにこのスライスレベルよりも大きな信号の
みを通すノイズ除去回路と、前記入力信号と前記ノイズ
除去回路の出力信号とを加算して輪郭部のみが強調され
た出力信号を送出すやことを特徴とする輪郭部補正回路
。a second-order differentiating circuit that extracts a contour included in an input signal; a noise removal circuit that does not pass signals having a level smaller than a preset slice level; and a noise removal circuit that passes only signals larger than this slice level; An outline correction circuit characterized in that the output signal of the noise removal circuit is added to output an output signal in which only the outline is emphasized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6692382U JPS58169770U (en) | 1982-05-08 | 1982-05-08 | Contour correction circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6692382U JPS58169770U (en) | 1982-05-08 | 1982-05-08 | Contour correction circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58169770U true JPS58169770U (en) | 1983-11-12 |
| JPH0134456Y2 JPH0134456Y2 (en) | 1989-10-19 |
Family
ID=30076767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6692382U Granted JPS58169770U (en) | 1982-05-08 | 1982-05-08 | Contour correction circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58169770U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62260485A (en) * | 1986-05-06 | 1987-11-12 | Sony Corp | Noise cancel circuit |
| JPH0284885A (en) * | 1988-06-11 | 1990-03-26 | Samsung Electron Co Ltd | Noise removing circuit to video outline emphasizing signal |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5638851U (en) * | 1979-08-31 | 1981-04-11 |
-
1982
- 1982-05-08 JP JP6692382U patent/JPS58169770U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5638851U (en) * | 1979-08-31 | 1981-04-11 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62260485A (en) * | 1986-05-06 | 1987-11-12 | Sony Corp | Noise cancel circuit |
| JPH0284885A (en) * | 1988-06-11 | 1990-03-26 | Samsung Electron Co Ltd | Noise removing circuit to video outline emphasizing signal |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0134456Y2 (en) | 1989-10-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS58169770U (en) | Contour correction circuit | |
| JPS58191734U (en) | I↑2L circuit interface circuit | |
| JPS5988922U (en) | differential amplifier | |
| JPS58185000U (en) | stereo wide circuit | |
| JPS6072018U (en) | Differential amplifier negative feedback circuit | |
| JPS5861543U (en) | Low-pass filter for emitter-coupled logic circuits | |
| JPS59114627U (en) | Noise filter case | |
| JPS58184947U (en) | Tone detection circuit | |
| JPS58189644U (en) | Low voltage noise reduction device | |
| JPS6135441U (en) | Noise signal removal circuit | |
| JPS5823432U (en) | noise suppression circuit | |
| JPS6050524U (en) | General purpose amplifier | |
| JPS5988923U (en) | differential amplifier | |
| JPS60127033U (en) | Logic circuit output circuit | |
| JPS58173969U (en) | CATV converter | |
| JPS59114622U (en) | noise filter | |
| JPS5868723U (en) | Frequency characteristic circuit | |
| JPS58161339U (en) | Intermediate frequency circuit in FM tuner | |
| JPS5927633U (en) | Digital IC | |
| JPS6027573U (en) | Auto slice circuit | |
| JPS60108027U (en) | Integrated circuit for graphic equalizer | |
| JPS58147312U (en) | amplifier circuit | |
| JPS5948138U (en) | Noise removal circuit | |
| JPS59152810U (en) | record player | |
| JPS5890731U (en) | active filter |