CN100387047C - 用于检测ntsc同信道干扰的设备和方法 - Google Patents
用于检测ntsc同信道干扰的设备和方法 Download PDFInfo
- Publication number
- CN100387047C CN100387047C CNB2003801042919A CN200380104291A CN100387047C CN 100387047 C CN100387047 C CN 100387047C CN B2003801042919 A CNB2003801042919 A CN B2003801042919A CN 200380104291 A CN200380104291 A CN 200380104291A CN 100387047 C CN100387047 C CN 100387047C
- Authority
- CN
- China
- Prior art keywords
- signal
- tracking
- carrier
- television system
- system committee
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- H04N5/46—Receiver circuitry for the reception of television signals according to analogue transmission standards for receiving on more than one standard at will
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Noise Elimination (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Television Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Picture Signal Circuits (AREA)
Abstract
Description
Claims (17)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US42936602P | 2002-11-26 | 2002-11-26 | |
US60/429,366 | 2002-11-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1717921A CN1717921A (zh) | 2006-01-04 |
CN100387047C true CN100387047C (zh) | 2008-05-07 |
Family
ID=32393551
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2003801042919A Expired - Fee Related CN100387047C (zh) | 2002-11-26 | 2003-11-12 | 用于检测ntsc同信道干扰的设备和方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7567298B2 (zh) |
JP (1) | JP2006507760A (zh) |
KR (1) | KR20050083964A (zh) |
CN (1) | CN100387047C (zh) |
AU (1) | AU2003291466A1 (zh) |
DE (1) | DE10393730T5 (zh) |
WO (1) | WO2004049699A2 (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007527081A (ja) | 2003-07-07 | 2007-09-20 | エルジー エレクトロニクス インコーポレーテッド | 記録媒体、記録媒体上への制御情報の構成方法及びこれを用いたデータの記録再生方法と記録再生装置 |
KR100953637B1 (ko) | 2003-07-07 | 2010-04-20 | 엘지전자 주식회사 | 광디스크 및 광디스크의 디스크정보 기록방법 |
CN1853218B (zh) | 2003-08-14 | 2010-08-04 | Lg电子株式会社 | 在记录介质上记录数据/从记录介质再现数据的方法及装置 |
US8234684B2 (en) | 2005-11-07 | 2012-07-31 | Thomson Licensing | Digital detector for ATSC digital television signals |
US8077260B2 (en) * | 2006-10-16 | 2011-12-13 | Thomson Licensing | Co-channel interference detector |
EP2080369B1 (en) * | 2006-11-01 | 2013-10-09 | Thomson Licensing | A co-channel interference remover |
US20100029235A1 (en) * | 2006-11-01 | 2010-02-04 | Aaron Reel Bouillet | Co-channel interference detector |
TWI424719B (zh) * | 2009-06-03 | 2014-01-21 | Realtek Semiconductor Corp | 載波重建裝置與方法 |
CN102118333B (zh) * | 2011-03-22 | 2014-06-25 | 华为技术有限公司 | 一种直流偏置消除方法及装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6005640A (en) * | 1996-09-27 | 1999-12-21 | Sarnoff Corporation | Multiple modulation format television signal receiver system |
CN1285993A (zh) * | 1997-10-31 | 2001-02-28 | 汤姆森许可公司 | 用于高清晰度电视接收机的同信道干扰检测网络 |
KR20020080622A (ko) * | 2001-04-16 | 2002-10-26 | 주식회사 하이닉스반도체 | 연속에러신호를 이용한 엔티이에스씨이 신호 제거 필터의선택 장치 및 방법 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5325204A (en) * | 1992-05-14 | 1994-06-28 | Hitachi America, Ltd. | Narrowband interference cancellation through the use of digital recursive notch filters |
US5400084A (en) * | 1992-05-14 | 1995-03-21 | Hitachi America, Ltd. | Method and apparatus for NTSC signal interference cancellation using recursive digital notch filters |
US5828705A (en) * | 1996-02-01 | 1998-10-27 | Kroeger; Brian W. | Carrier tracking technique and apparatus having automatic flywheel/tracking/reacquisition control and extended signal to noise ratio |
US6697098B1 (en) * | 1998-08-26 | 2004-02-24 | Thomson Licensing S.A. | Co-channel interference detection network for an HDTV receiver |
US6233295B1 (en) * | 1998-08-26 | 2001-05-15 | Thomson Licensing S.A. | Segment sync recovery network for an HDTV receiver |
US7031405B1 (en) * | 2000-11-15 | 2006-04-18 | Ati Research, Inc. | Carrier phase estimation based on single-axis constant modulus cost criterion and Bussgang criteria |
-
2003
- 2003-11-12 JP JP2004555413A patent/JP2006507760A/ja active Pending
- 2003-11-12 US US10/535,979 patent/US7567298B2/en not_active Expired - Fee Related
- 2003-11-12 KR KR1020057009257A patent/KR20050083964A/ko not_active Application Discontinuation
- 2003-11-12 DE DE10393730T patent/DE10393730T5/de not_active Withdrawn
- 2003-11-12 AU AU2003291466A patent/AU2003291466A1/en not_active Abandoned
- 2003-11-12 WO PCT/US2003/035921 patent/WO2004049699A2/en active Application Filing
- 2003-11-12 CN CNB2003801042919A patent/CN100387047C/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6005640A (en) * | 1996-09-27 | 1999-12-21 | Sarnoff Corporation | Multiple modulation format television signal receiver system |
CN1285993A (zh) * | 1997-10-31 | 2001-02-28 | 汤姆森许可公司 | 用于高清晰度电视接收机的同信道干扰检测网络 |
KR20020080622A (ko) * | 2001-04-16 | 2002-10-26 | 주식회사 하이닉스반도체 | 연속에러신호를 이용한 엔티이에스씨이 신호 제거 필터의선택 장치 및 방법 |
Also Published As
Publication number | Publication date |
---|---|
AU2003291466A1 (en) | 2004-06-18 |
WO2004049699A2 (en) | 2004-06-10 |
WO2004049699A3 (en) | 2004-10-14 |
US20060092330A1 (en) | 2006-05-04 |
DE10393730T5 (de) | 2006-06-08 |
AU2003291466A8 (en) | 2004-06-18 |
US7567298B2 (en) | 2009-07-28 |
KR20050083964A (ko) | 2005-08-26 |
JP2006507760A (ja) | 2006-03-02 |
CN1717921A (zh) | 2006-01-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5546132A (en) | NTSC interference detector | |
CA1211514A (en) | Automatic adaptive equalizer having improved reset function | |
KR101299768B1 (ko) | 코-채널 간섭 제거기 | |
US4272846A (en) | Method for cancelling impulsive noise | |
JPH11168446A (ja) | データ伝送装置の同期検出方法及びその装置 | |
US6201576B1 (en) | Apparatus and method for detecting an NTSC signal in an HDTV transmission signal | |
CN100387047C (zh) | 用于检测ntsc同信道干扰的设备和方法 | |
CN100361511C (zh) | Ntsc信号检测器 | |
JPH05211669A (ja) | ケーブル・テレビジョン試験装置 | |
US6665355B1 (en) | Method and apparatus for pilot-aided carrier acquisition of vestigial sideband signal | |
US5748036A (en) | Non-coherent digital FSK demodulator | |
CN1333584C (zh) | 载波跟踪环路锁定检测器 | |
CA1171139A (en) | Dual mode tone detector circuit | |
US7154979B2 (en) | Timing recovery with variable bandwidth phase locked loop and non-linear control paths | |
US8077260B2 (en) | Co-channel interference detector | |
US4250456A (en) | Device for demodulating PSK-FM double modulated carrier signals | |
US6310924B1 (en) | Digital demodulator | |
KR19980017386A (ko) | 디지탈 변조방식의 변조시스템의 디지탈 신호 적응판정 에러회로 및 방법 | |
CN101277405B (zh) | 用于处理输入信号的电路和方法 | |
KR100577155B1 (ko) | 디지털 티브이(Digital TV)에서의 엔티에스씨(NTSC) 동일 채널 간섭 신호의 유무 검출장치 | |
KR100197596B1 (ko) | 주파수특성 보정장치 | |
KR100547770B1 (ko) | 디지털 수신기의 심볼동기 록 검출 장치 및 그 방법 | |
Lane et al. | A single chip demodulator for 64/256 QAM | |
US20030002565A1 (en) | Synchronization algorithm for a direct sequence spread spectrum system with frequency downconversion | |
JPH07202955A (ja) | マイクロ波帯信号発生装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP02 | Change in the address of a patent holder |
Address after: I Si Eli Murli Nor, France Patentee after: THOMSON LICENSING Address before: La France Patentee before: THOMSON LICENSING |
|
CP02 | Change in the address of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190125 Address after: Paris France Patentee after: International Digital Madison Patent Holding Co. Address before: I Si Eli Murli Nor, France Patentee before: THOMSON LICENSING Effective date of registration: 20190125 Address after: I Si Eli Murli Nor, France Patentee after: THOMSON LICENSING Address before: I Si Eli Murli Nor, France Patentee before: THOMSON LICENSING |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080507 Termination date: 20201112 |
|
CF01 | Termination of patent right due to non-payment of annual fee |