KR970073187A - Color bar pattern signal generating circuit - Google Patents
Color bar pattern signal generating circuit Download PDFInfo
- Publication number
- KR970073187A KR970073187A KR1019960011761A KR19960011761A KR970073187A KR 970073187 A KR970073187 A KR 970073187A KR 1019960011761 A KR1019960011761 A KR 1019960011761A KR 19960011761 A KR19960011761 A KR 19960011761A KR 970073187 A KR970073187 A KR 970073187A
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- output
- receiving
- color
- division
- Prior art date
Links
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
- H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/44—Colour synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
- H04N9/78—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase for separating the brightness signal or the chrominance signal from the colour television signal, e.g. using comb filter
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
이 발명은 칼라 바 패턴 신호 발생회로 관한 것으로, 마스터 클럭 주파수신호를 입력받아 일정한 만큼 1차분을 얻기 위한 홀수분주수단과; 상기 2진분주수단의 1차분주된 신호를 입력받아 동기일치화가 가능한 분주 출력을 얻기 위한 홀수분주수단과; 상기 홀수분주수단의 출력을 입력받아 칼라 바 주파수를 갖도록 분주하는 기능을 갖게하기 위한 짝수분주수단과; 상기 짝수분주수단의 출력을 입력받아. 각 색신호의 위상차를 보정하기 위한 위상보정수단과; 상기 위상보정수단의 출력을 입력받아, 컴포지트 블랭킹 신호에 정확히 동기되도록 하기 위한 동기일치수단과; 상기 동기일치수단의 색신호 출력을 입력받아 좌표 및 진폭을 제어하기 위한 레벨조정수단과; 반송주파수를 입력받아 색신호를 처리하기 위한 색신호 처리수단과; 상기 레벨조정수단의 출력 및 색신호 처리수단의 출력을 입력받아 각 색신호를 인코딩하고, 휘도신호와 칼라신호를 분리하고, 합성 영상신호를 출력하기 위한 인코딩 수단을 포함하여 구성되어, 색신호를 각각 제어함으로써 색신호간의 간섭을 제거하고, 각 색신호간의 위상지연을 제어가능하게 함으로써 색신호간섭을 근원적으로 제거할 수 있게하여 보다 더 선명한 색신호를 얻을 수 있는 칼라 바 패턴 신호 발생회로에 관한 것이다.The present invention relates to a color bar pattern signal generating circuit, and more particularly, to a color bar pattern signal generating circuit which includes an odd dividing means for receiving a master clock frequency signal and obtaining a predetermined first difference; Odd division means for receiving a first divided signal of the binary division means and obtaining a division output capable of synchronizing with each other; An odd division means for dividing the output of the odd division means so as to have a color bar frequency; And receives the output of the even-number division means. Phase correction means for correcting the phase difference of each color signal; Synchronizing means for receiving an output of the phase correcting means and synchronizing the output of the phase correcting means with the composite blanking signal; Level adjusting means for receiving the color signal output of the synchronous matching means and controlling the coordinate and amplitude; A color signal processing means for receiving a carrier frequency and processing a color signal; And encoding means for receiving the output of the level adjusting means and the output of the color signal processing means, encoding each color signal, separating the luminance signal and the color signal, and outputting the synthesized video signal, The present invention relates to a color bar pattern signal generating circuit capable of eliminating interference between color signals and making it possible to control the phase delay between the respective color signals to fundamentally eliminate color signal interference to obtain clearer color signals.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.
제1도는 종래의 칼라 바 패턴 신호 발생회로의 구성도, 제2도 및 제3도는 모티너 또는 티브이(TV; Television)의 칼라 바 패턴의 이상적인 외형도, 제4도는 이 발명의 실시예에 따른 칼라 바 패턴 신호 발생회로의 블록구성도, 제5도는 이 발명의 실시예에 따른 칼라 바 패턴 신호 발생회로의 블록구성도, 제5도는 이 발명의 실시예에 따른 칼라 바 패턴 신호 발생회로의 상세회로도, 제6도는 이 발명의 다른 실시예에 따른 칼라 바 패턴 신호 발생회로의 블록 구성도.FIG. 1 is a schematic diagram of a conventional color bar pattern signal generating circuit, FIG. 2 and FIG. 3 are ideal outlines of a color bar pattern of a motor or television (TV), FIG. FIG. 5 is a block diagram of a color bar pattern signal generating circuit according to an embodiment of the present invention. FIG. 5 is a block diagram of a color bar pattern signal generating circuit according to an embodiment of the present invention. FIG. 6 is a block diagram of a color bar pattern signal generating circuit according to another embodiment of the present invention; FIG.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960011761A KR100272332B1 (en) | 1996-04-18 | 1996-04-18 | Circuit for generating color bar pattern signal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960011761A KR100272332B1 (en) | 1996-04-18 | 1996-04-18 | Circuit for generating color bar pattern signal |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970073187A true KR970073187A (en) | 1997-11-07 |
KR100272332B1 KR100272332B1 (en) | 2000-11-15 |
Family
ID=19456030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960011761A KR100272332B1 (en) | 1996-04-18 | 1996-04-18 | Circuit for generating color bar pattern signal |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100272332B1 (en) |
-
1996
- 1996-04-18 KR KR1019960011761A patent/KR100272332B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR100272332B1 (en) | 2000-11-15 |
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