KR0169001B1 - 세캄신호 화질보상회로 - Google Patents
세캄신호 화질보상회로 Download PDFInfo
- Publication number
- KR0169001B1 KR0169001B1 KR1019950037405A KR19950037405A KR0169001B1 KR 0169001 B1 KR0169001 B1 KR 0169001B1 KR 1019950037405 A KR1019950037405 A KR 1019950037405A KR 19950037405 A KR19950037405 A KR 19950037405A KR 0169001 B1 KR0169001 B1 KR 0169001B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- color signal
- secam
- luminance
- color
- Prior art date
Links
- 238000000034 method Methods 0.000 claims abstract description 22
- 238000000926 separation method Methods 0.000 claims abstract description 17
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 3
- 230000002194 synthesizing effect Effects 0.000 claims description 6
- 230000015556 catabolic process Effects 0.000 abstract description 2
- 238000006731 degradation reaction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N11/00—Colour television systems
- H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
- H04N11/12—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only
- H04N11/14—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system
- H04N11/16—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system the chrominance signal alternating in phase, e.g. PAL-system
- H04N11/167—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system the chrominance signal alternating in phase, e.g. PAL-system a resolution-increasing signal being multiplexed to the PAL-system signal, e.g. PAL-PLUS-system
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N11/00—Colour television systems
- H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
- H04N11/18—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous and sequential signals, e.g. SECAM-system
-
- 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
- H04N9/66—Circuits for processing colour signals for synchronous demodulators
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
Abstract
Description
Claims (2)
- 입력된 세캄신호의 휘도성분을 신호처리하는 휘도신호처리계를 구비하는 세캄신호 재생장치에 있어서: 입력된 세캄신호의 위상을 보정하고 이득을 조정함과 아울러 세캄신호에 혼입된 팔신호성분을 제거하는 전치증폭부; 상기 전치증폭부에 의해 이득조정된 세캄신호를 복조하는 복조부; 상기 복조부로부터 출력된 세캄신호 중 복조과정에서 발생하는 색신호의 체배성분 즉, 색신호간섭성분을 분리제거하는 색신호 분리부; 상기 색신호 분리부로부터 출력된 세캄신호 중 색신호성분을 제거하여 순수한 휘도신호만을 출력하는 로우패스필터; 및 상기 로우패스필터에서 출력된 휘도신호와 색신호처리계에서 출력된 색신호를 합성하여 합성된 비데오신호를 최종 출력하는 휘도 및 색신호 합성부를 구비하는 세캄신호 화질보상회로.
- 제1항에 있어서, 상기 색신호 분리부는, 상기 색신호간섭성분을 제거하기 위하여 3.5㎒∼3.8㎒의 주파수대역의 신호성분을 제거하는 트랩으로 구성된 것을 특징으로 하는 세캄신호 화질보상회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950037405A KR0169001B1 (ko) | 1995-10-26 | 1995-10-26 | 세캄신호 화질보상회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950037405A KR0169001B1 (ko) | 1995-10-26 | 1995-10-26 | 세캄신호 화질보상회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970025210A KR970025210A (ko) | 1997-05-30 |
KR0169001B1 true KR0169001B1 (ko) | 1999-03-20 |
Family
ID=19431482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950037405A KR0169001B1 (ko) | 1995-10-26 | 1995-10-26 | 세캄신호 화질보상회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0169001B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100598016B1 (ko) * | 2004-10-25 | 2006-07-06 | 삼성전자주식회사 | 세캄 색상 신호를 복원하는 방법 및 이를 이용한 세캄색상 신호 복원 장치 |
-
1995
- 1995-10-26 KR KR1019950037405A patent/KR0169001B1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100598016B1 (ko) * | 2004-10-25 | 2006-07-06 | 삼성전자주식회사 | 세캄 색상 신호를 복원하는 방법 및 이를 이용한 세캄색상 신호 복원 장치 |
Also Published As
Publication number | Publication date |
---|---|
KR970025210A (ko) | 1997-05-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0737010A2 (en) | Magnetic recording and reproducing apparatus with reference level | |
JPS628994B2 (ko) | ||
US5047840A (en) | Luminance signal/chrominance signal separating circuit and a noise reduction circuit using a 3 line logical comb filter | |
JPS59151592A (ja) | 輝度信号及び色信号分離回路 | |
US4149181A (en) | Signal-dependent chrominance subcarrier filtering circuit | |
KR0169001B1 (ko) | 세캄신호 화질보상회로 | |
KR0178382B1 (ko) | 콤필터를 사용한 휘도신호/칼라신호 분리회로 및 잡음 감소회로 | |
US5010416A (en) | Color video signal reproducing apparatus | |
GB2244406A (en) | Chrominance signal mixing circuit in a motion adaptive type luminance/chrominance signal separator | |
US6480668B1 (en) | Signal processing circuit | |
US6687452B1 (en) | Magnetic recording device | |
GB2243513A (en) | Video recording | |
KR19980014334A (ko) | 필터의 지연시간 및 흑백 반전을 개선한 비디오 기록매체 복사장치 | |
KR0126423Y1 (ko) | 영상 디코더의 크로마 트랩 선택회로 | |
KR0126399B1 (ko) | 고해상도 모드 재생시 휘도신호의 노이즈 제거회로 | |
JPH0580867B2 (ko) | ||
KR920000812Y1 (ko) | Vtr의 휘도신호 보상회로 | |
EP0663780A2 (en) | Video signal recording and playback apparatus | |
EP1032222B1 (en) | Apparatus and method of reproducing wide-band mode video signal | |
JP2892869B2 (ja) | 色信号処理回路 | |
KR100251536B1 (ko) | 수직 해상도가 보정된 휘도 및 색 신호 분리 방법 및 이를 수행하기 위한 휘도 및 색 신호 분리 회로 | |
KR19980079064A (ko) | 수직 해상도의 열화를 보정하기 위한 휘도 및 색 신호 분리 방법 및 이를 수행하기 위한 휘도 및 색 분리 회로 | |
JPH04320194A (ja) | 映像信号処理回路及び映像信号記録再生装置 | |
KR970063557A (ko) | 팔-플러스(pal plus) 신호 녹화장치 | |
JPS62249593A (ja) | 時間軸補正装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19951026 |
|
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19951026 Comment text: Request for Examination of Application |
|
PG1501 | Laying open of application | ||
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19980915 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 19981008 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 19981008 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
PR1001 | Payment of annual fee |
Payment date: 20010928 Start annual number: 4 End annual number: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20020930 Start annual number: 5 End annual number: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20030929 Start annual number: 6 End annual number: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 20040924 Start annual number: 7 End annual number: 7 |
|
FPAY | Annual fee payment |
Payment date: 20050929 Year of fee payment: 8 |
|
PR1001 | Payment of annual fee |
Payment date: 20050929 Start annual number: 8 End annual number: 8 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |
Termination category: Default of registration fee Termination date: 20070910 |