JPS62135287U - - Google Patents
Info
- Publication number
- JPS62135287U JPS62135287U JP2234486U JP2234486U JPS62135287U JP S62135287 U JPS62135287 U JP S62135287U JP 2234486 U JP2234486 U JP 2234486U JP 2234486 U JP2234486 U JP 2234486U JP S62135287 U JPS62135287 U JP S62135287U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- contour correction
- circuit
- generating means
- color
- 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
- 238000010586 diagram Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Landscapes
- Processing Of Color Television Signals (AREA)
Description
第１図はこの考案の一実施例を示す色輪郭補正
回路のブロツク図、第２図はこの考案の他の実施
例を示す色輪郭補正回路のブロツク図、第３図は
前記ブロツク図の一部であるデイレイ選択回路の
一具体例である回路図、第４図及び第５図は前記
ブロツク図の各部の説明に供される信号波形図、
第６図は従来の輪郭補正回路のブロツク図を示す
。
１，１１……輪郭信号発生回路、５……絶対値
回路、９……Ａ／Ｄ変換回路、１０……デイレイ
選択回路、１２……合成回路。
FIG. 1 is a block diagram of a color contour correction circuit showing one embodiment of this invention, FIG. 2 is a block diagram of a color contour correction circuit showing another embodiment of this invention, and FIG. 3 is a block diagram of a color contour correction circuit showing another embodiment of this invention. 4 and 5 are signal waveform diagrams for explaining each part of the block diagram,
FIG. 6 shows a block diagram of a conventional contour correction circuit. 1, 11...Contour signal generation circuit, 5...Absolute value circuit, 9...A/D conversion circuit, 10...Delay selection circuit, 12...Synthesizing circuit.
Claims (1)
きるデイレイ選択回路を備え、前記映像信号の輝
度信号から該輝度信号の輪郭部分を強調するため
の輪郭補正信号発生手段と、該輪郭補正信号発生
手段からの出力信号により前記デイレイ選択回路
の遅延時間を制御する制御手段とを備えた色輪郭
補正回路。 (2) 前記制御手段に、利得を可変できる増幅回
路を備え、前記色差信号から該色差信号の輪郭部
分を強調するための輪郭補正信号発生手段からの
出力により前記増幅回路の利得を可変する手段と
を備えた実用新案登録請求の範囲第１項記載の色
輪郭補正回路。[Claims for Utility Model Registration] (1) A color difference signal system of a video signal is provided with a delay selection circuit that can change the delay time, and an outline correction signal is provided for emphasizing the outline of the luminance signal from the luminance signal of the video signal. A color contour correction circuit comprising: a generating means; and a control means for controlling a delay time of the delay selection circuit using an output signal from the contour correction signal generating means. (2) The control means includes an amplifier circuit whose gain can be varied, and the gain of the amplifier circuit is varied by an output from a contour correction signal generating means for emphasizing the contour portion of the color difference signal from the color difference signal. A color contour correction circuit according to claim 1, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2234486U JPS62135287U (en) | 1986-02-19 | 1986-02-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2234486U JPS62135287U (en) | 1986-02-19 | 1986-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62135287U true JPS62135287U (en) | 1987-08-26 |
Family
ID=30819639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2234486U Pending JPS62135287U (en) | 1986-02-19 | 1986-02-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62135287U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01254091A (en) * | 1988-04-01 | 1989-10-11 | Matsushita Electric Ind Co Ltd | Method for improving contour |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5484426A (en) * | 1977-12-19 | 1979-07-05 | Sony Corp | Frequency improving circuit for chrominance signal |
| JPS61274490A (en) * | 1985-05-29 | 1986-12-04 | Hitachi Ltd | Picture quality improvement circuit of color tv receiver |
-
1986
- 1986-02-19 JP JP2234486U patent/JPS62135287U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5484426A (en) * | 1977-12-19 | 1979-07-05 | Sony Corp | Frequency improving circuit for chrominance signal |
| JPS61274490A (en) * | 1985-05-29 | 1986-12-04 | Hitachi Ltd | Picture quality improvement circuit of color tv receiver |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01254091A (en) * | 1988-04-01 | 1989-10-11 | Matsushita Electric Ind Co Ltd | Method for improving contour |