KR970068677A - Color level adjustment device - Google Patents
Color level adjustment device Download PDFInfo
- Publication number
- KR970068677A KR970068677A KR1019960007317A KR19960007317A KR970068677A KR 970068677 A KR970068677 A KR 970068677A KR 1019960007317 A KR1019960007317 A KR 1019960007317A KR 19960007317 A KR19960007317 A KR 19960007317A KR 970068677 A KR970068677 A KR 970068677A
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- color
- screen display
- level
- video signal
- Prior art date
Links
- 239000002131 composite material Substances 0.000 claims abstract 3
- 238000001914 filtration Methods 0.000 claims 3
- 238000001514 detection method Methods 0.000 claims 2
- 230000000630 rising effect Effects 0.000 claims 2
- 230000001360 synchronised effect Effects 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000003111 delayed effect Effects 0.000 claims 1
- 239000011159 matrix material Substances 0.000 claims 1
- 238000005070 sampling Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/08—Separation of synchronising signals from picture signals
- H04N5/10—Separation of line synchronising signal from frame synchronising signal or vice versa
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/44—Colour synchronisation
- H04N9/455—Generation of colour burst signals; Insertion of colour burst signals in colour picture signals or separation of colour burst signals from colour picture signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/67—Circuits for processing colour signals for matrixing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/72—Circuits for processing colour signals for reinsertion of DC and slowly varying components of colour signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
Abstract
본 발명은 칼라 레벨 조정장치에 관한 것으로, 종래에는 칼라영상신호의 칼라 버스트 레벨이 변하게 되면 티브이(TV)의 자동색상제어(ACC)회로에 의하여 온스크린 디스플레이 복합신호중에서 칼라신호가 심하게 변동되어 방송국마다 온스크린 디스플레이 복합신호중에서 칼라신호가 심하게 변동되어 방송국마다 온스크린 디스플레이(OSD)의 채도(saturation)이 변동되거나 심하면 왜곡 현상이 일어나는 문제점이 있다.Conventionally, when a color burst level of a color video signal is changed, a color signal of an on-screen display composite signal is seriously fluctuated by an automatic color control (ACC) circuit of a television (TV) There is a problem that the saturation of the on-screen display (OSD) is fluctuated or the distortion occurs when the color signal is severely fluctuated among the on-screen display composite signals.
따라서 본 발명은, 칼라영상신호의 칼라 버스트 레벨에 비례하게 온스크린 디스플레이의 색신호 크기를 변화시켜 주도록 하여 칼라 버스트 레벨에 상관없이 온스크린 칼라 신호를 일정하게 유지하도록 함으로써 칼라영상신호의 칼라 버스트 레벨이 심하게 변하더라도 티브이(TV)에 디스플레이 되는 온스크린 디스플레이(OSD)의 채도가 일정하게 유지되고 왜곡도 일어나지 않도록 한다.Therefore, according to the present invention, the size of the color signal of the on-screen display is changed in proportion to the color burst level of the color video signal, so that the on-screen color signal is kept constant regardless of the color burst level, Even if the brightness is changed, the saturation of the on-screen display (OSD) displayed on the TV is kept constant and distortion is prevented.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.
제 2 도는 본 발명의 칼라 레벨 조정장치의 회로구성도, 제 3 도는 제 2 도에서, 레벨 검출부의 상세도, 제 4 도는 제 2 도에서, 온스크린 디스플레이의 칼라 레벨과 칼라영상신호의 칼라 버스트 레벨의 관계도.FIG. 2 is a circuit diagram of the color level adjusting apparatus of the present invention. FIG. 3 is a detailed view of the level detecting unit. FIG. 4 is a view of the color level of the on- Level relationship diagram.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960007317A KR100202564B1 (en) | 1996-03-19 | 1996-03-19 | The color level adjusting apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960007317A KR100202564B1 (en) | 1996-03-19 | 1996-03-19 | The color level adjusting apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970068677A true KR970068677A (en) | 1997-10-13 |
KR100202564B1 KR100202564B1 (en) | 1999-06-15 |
Family
ID=19453380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960007317A KR100202564B1 (en) | 1996-03-19 | 1996-03-19 | The color level adjusting apparatus |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100202564B1 (en) |
-
1996
- 1996-03-19 KR KR1019960007317A patent/KR100202564B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR100202564B1 (en) | 1999-06-15 |
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E701 | Decision to grant or registration of patent right | ||
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FPAY | Annual fee payment |
Payment date: 20010926 Year of fee payment: 4 |
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