KR830009853A - 동기펄스에의 공통채널 간섭현상효과 감소용 장치 - Google Patents
동기펄스에의 공통채널 간섭현상효과 감소용 장치 Download PDFInfo
- Publication number
- KR830009853A KR830009853A KR1019820000174A KR820000174A KR830009853A KR 830009853 A KR830009853 A KR 830009853A KR 1019820000174 A KR1019820000174 A KR 1019820000174A KR 820000174 A KR820000174 A KR 820000174A KR 830009853 A KR830009853 A KR 830009853A
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- common channel
- separated
- television receiver
- channel interference
- Prior art date
Links
- 230000000694 effects Effects 0.000 title claims 3
- 230000001360 synchronised effect Effects 0.000 claims 3
- 238000000034 method Methods 0.000 claims 2
- 230000003595 spectral effect Effects 0.000 claims 1
- 238000001228 spectrum Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
-
- 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)
- Synchronizing For Television (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 색도 및 명도정보 분리용 빗살형 여파기를 가진 종래 텔레비젼 수신기의 계통도.
제2도는 제1도 빗살형 여파기 출력의 주파수 응답 그래프도.
제3도는 본 발명의 일실시예에 따른 텔레비젼 수신기의 부분 계통도.
Claims (3)
- 명도 및 색도정보신호 분리용 빗살형 여파기를 구비하고 있는 칼라텔레비젼 수신기, 즉, 제1 및 제2 공통채널 프로그램 신호를 수신하게 되며, 상기 제2 신호가 상기 제1 신호를 간섭하게 되며, 상기 신호들이 합성될 때 비데오 신호가 간섭신호성분을 가지게 되어, 보상수단이 없을 경우 상기 간섭신호 성분이 상기 텔레비젼 수신기의 동기화를 파괴하게 되는 상기 칼라텔레비젼 수신기에 있어서,상기 비데오신호에 관하여 상기 간섭신호의 진폭감소를 보이는 상기 분리된 명도정보신호로부터 동기펄스를 추출하기 위해 상기 빗살형 여파기의 출력단에 결합된 동기펄스 분리기(43)에 의하여 특징화되는 동기펄스에의 공통채널 간섭현상효과 감소용 장치.
- 제1항에 있어서,상기 동기펄스분리기가 상기 분리된 명도정보 신호로부터 수평 동기펄스를 추출하기 위한 수평 동기분리기(46)임을 특징으로 하는 동기펄스에의 공통채널 간섭현상효과 감소용 장치.
- 제1항에 있어서,상기 분리된 명도정보신호가 규칙적으로 이격된 스펙트럼 위치에서 주파수 응답표명신호 성분을 가지며, 상기 분리된 색도정보신호가 규칙적으로 이격된 스텍트럼 위치에서 주파수 응답표명신호 성분을 가짐을 특징으로 하는 동기펄스에의 공통채널 간섭현상효과 감소용 장치.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US225,772 | 1981-01-16 | ||
US06/225,772 US4343019A (en) | 1981-01-16 | 1981-01-16 | Apparatus for reducing the effect of co-channel interference on synchronizing pulses |
Publications (1)
Publication Number | Publication Date |
---|---|
KR830009853A true KR830009853A (ko) | 1983-12-23 |
Family
ID=22846168
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019820000174A KR830009853A (ko) | 1981-01-16 | 1982-01-16 | 동기펄스에의 공통채널 간섭현상효과 감소용 장치 |
Country Status (5)
Country | Link |
---|---|
US (1) | US4343019A (ko) |
EP (1) | EP0057509A1 (ko) |
JP (1) | JPS57138283A (ko) |
KR (1) | KR830009853A (ko) |
ES (1) | ES8303867A1 (ko) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4604646A (en) * | 1984-02-01 | 1986-08-05 | Karlock James A | Video processing circuit |
US4597007A (en) * | 1984-02-06 | 1986-06-24 | Rca Corporation | Circuitry for correcting frame combed luminance signal for motion induced distortion |
US4553158A (en) * | 1984-02-06 | 1985-11-12 | Rca Corporation | Circuitry for correcting motion induced errors in frame comb filtered video signals |
US4555723A (en) * | 1984-02-06 | 1985-11-26 | Rca Corporation | Apparatus for reducing motion induced distortion in a frame combed chrominance signal |
US4550340A (en) * | 1984-02-06 | 1985-10-29 | Rca Corporation | Apparatus for frame-to-frame comb filtering composite TV signal |
US5086340A (en) * | 1990-10-19 | 1992-02-04 | Zenith Electronics Corporation | Co-channel interference reduction system for digital high definition television |
US5121203A (en) * | 1990-10-19 | 1992-06-09 | Zenith Electronics Corporation | HDTV transmission system with reduced NTSC CO-channel interference |
US5258838A (en) * | 1990-10-19 | 1993-11-02 | Zenith Electronics Corporation | HDTV transmission system with reduced NTSC co-channel interference |
US5132797A (en) * | 1990-10-19 | 1992-07-21 | Zenith Electronics Corporation | Co-channel interference filter for digital high definition television receiver |
US5087975A (en) * | 1990-11-09 | 1992-02-11 | Zenith Electronics Corporation | VSB HDTV transmission system with reduced NTSC co-channel interference |
US5453797A (en) * | 1993-02-22 | 1995-09-26 | Massachusetts Institute Of Technology | Method and apparatus for decoding broadcast digital HDTV in the presence of quasi-cyclostationary interference |
US6606410B2 (en) | 1997-01-17 | 2003-08-12 | Samsung Electronics Co., Ltd. | Method and apparatus for detecting a synchronous signal |
KR100234312B1 (ko) * | 1997-01-17 | 1999-12-15 | 윤종용 | 고정도 동기 신호 검출방법 및 장치 |
US20020169586A1 (en) * | 2001-03-20 | 2002-11-14 | Rankin James Stewart | Automated CAD guided sensor planning process |
US6760113B2 (en) | 2001-03-20 | 2004-07-06 | Ford Global Technologies, Llc | Crystal based fringe generator system |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2644942A (en) * | 1949-03-18 | 1953-07-07 | Rca Corp | Television carrier control system |
US4096516A (en) * | 1977-03-25 | 1978-06-20 | Rca Corporation | Electronic signal processing apparatus |
US4185299A (en) * | 1978-08-18 | 1980-01-22 | Rca Corporation | Synchronization signal separator circuit |
US4245238A (en) * | 1979-05-11 | 1981-01-13 | Rca Corporation | Non-linear processing of video image vertical detail information |
-
1981
- 1981-01-16 US US06/225,772 patent/US4343019A/en not_active Expired - Fee Related
-
1982
- 1982-01-08 ES ES508590A patent/ES8303867A1/es not_active Expired
- 1982-01-12 EP EP82300153A patent/EP0057509A1/en not_active Ceased
- 1982-01-14 JP JP57004816A patent/JPS57138283A/ja active Pending
- 1982-01-16 KR KR1019820000174A patent/KR830009853A/ko unknown
Also Published As
Publication number | Publication date |
---|---|
ES508590A0 (es) | 1983-02-01 |
ES8303867A1 (es) | 1983-02-01 |
JPS57138283A (en) | 1982-08-26 |
EP0057509A1 (en) | 1982-08-11 |
US4343019A (en) | 1982-08-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19820116 |
|
PG1501 | Laying open of application | ||
PC1902 | Submission of document of abandonment before decision of registration |