JPH01171173U - - Google Patents
Info
- Publication number
- JPH01171173U JPH01171173U JP6115788U JP6115788U JPH01171173U JP H01171173 U JPH01171173 U JP H01171173U JP 6115788 U JP6115788 U JP 6115788U JP 6115788 U JP6115788 U JP 6115788U JP H01171173 U JPH01171173 U JP H01171173U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- high frequency
- color
- amplitude
- luminance signal
- 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 3
- 238000000926 separation method Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Landscapes
- Picture Signal Circuits (AREA)
- Processing Of Color Television Signals (AREA)
Description
第１図は本考案の全体構成を示すブロツク図、
第２図、第３図は本考案の要部の実施例を示す図
、第４図は従来のカラー映像信号処理装置のブロ
ツク図である。
１：輝度信号Ｙ′、２：高域波器、３：Ｙ′
の高域信号ＹＨ、４：乗算器、５：乗率信号、６
：Ｋ・Ｙ′Ｈ信号、７：白レベル方向信号抑圧回
路、８：高域補償信号、９：加算回路、１０：輝
度信号出力、１１：クランプ回路、１２：信号分
離回路、１３：バツフア回路、１４：高域補償信
号、１５：輝度信号出力。
Figure 1 is a block diagram showing the overall configuration of the present invention.
2 and 3 are diagrams showing an embodiment of the main parts of the present invention, and FIG. 4 is a block diagram of a conventional color video signal processing device. 1: Luminance signal Y', 2: High frequency amplifier, 3: Y'
high frequency signal YH, 4: multiplier, 5: multiplication factor signal, 6
: K/Y'H signal, 7: White level direction signal suppression circuit, 8: High frequency compensation signal, 9: Addition circuit, 10: Luminance signal output, 11: Clamp circuit, 12: Signal separation circuit, 13: Buffer circuit , 14: High frequency compensation signal, 15: Luminance signal output.
Claims (1)
び色信号を得、上記輝度信号から高域成分をとり
出し、これに所要の乗率を乗算し、高域補償用信
号として上記輝度信号に加算し、上記色信号とと
もに送出する装置において、上記高域補償用信号
の白レベル方向の振幅を黒レベル方向の振幅に対
し抑圧するようにしたことを特徴とするカラー映
像信号処理装置。 Obtaining a luminance signal and a color signal from the gamma-corrected three primary color signals, extracting a high frequency component from the luminance signal, multiplying this by a required multiplier, and adding it to the luminance signal as a high frequency compensation signal, A color video signal processing device for transmitting the color signal together with the color signal, wherein the amplitude of the high frequency compensation signal in the direction of the white level is suppressed relative to the amplitude in the direction of the black level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6115788U JPH01171173U (en) | 1988-05-11 | 1988-05-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6115788U JPH01171173U (en) | 1988-05-11 | 1988-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01171173U true JPH01171173U (en) | 1989-12-04 |
Family
ID=31286832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6115788U Pending JPH01171173U (en) | 1988-05-11 | 1988-05-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01171173U (en) |
-
1988
- 1988-05-11 JP JP6115788U patent/JPH01171173U/ja active Pending
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