KR100564836B1 - 수신된 잔류 측파대 방식(vsb)으로 변조된 신호를 처리하기 위한 시스템에서 사용하기 위한 장치 및 방법 - Google Patents

수신된 잔류 측파대 방식(vsb)으로 변조된 신호를 처리하기 위한 시스템에서 사용하기 위한 장치 및 방법 Download PDF

Info

Publication number
KR100564836B1
KR100564836B1 KR1020007004456A KR20007004456A KR100564836B1 KR 100564836 B1 KR100564836 B1 KR 100564836B1 KR 1020007004456 A KR1020007004456 A KR 1020007004456A KR 20007004456 A KR20007004456 A KR 20007004456A KR 100564836 B1 KR100564836 B1 KR 100564836B1
Authority
KR
South Korea
Prior art keywords
signal
datastream
demodulated
data
received
Prior art date
Application number
KR1020007004456A
Other languages
English (en)
Korean (ko)
Other versions
KR20010031426A (ko
Inventor
왕티안준
Original Assignee
톰슨 라이센싱
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from GBGB9723052.8A external-priority patent/GB9723052D0/en
Priority claimed from US09/140,143 external-priority patent/US6697098B1/en
Application filed by 톰슨 라이센싱 filed Critical 톰슨 라이센싱
Publication of KR20010031426A publication Critical patent/KR20010031426A/ko
Application granted granted Critical
Publication of KR100564836B1 publication Critical patent/KR100564836B1/ko

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/02Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06Demodulator circuits; Receiver circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/21Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4382Demodulation or channel decoding, e.g. QPSK demodulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/04Synchronising
    • H04N5/08Separation of synchronising signals from picture signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/455Demodulation-circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/426Internal components of the client ; Characteristics thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Picture Signal Circuits (AREA)
  • Television Systems (AREA)
  • Synchronizing For Television (AREA)
KR1020007004456A 1997-10-31 1998-10-15 수신된 잔류 측파대 방식(vsb)으로 변조된 신호를 처리하기 위한 시스템에서 사용하기 위한 장치 및 방법 KR100564836B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
GBGB9723052.8A GB9723052D0 (en) 1997-10-31 1997-10-31 High definition television vsb receiver
GB9723052.8 1997-10-31
US09/140,143 1998-08-26
US09/140,143 US6697098B1 (en) 1998-08-26 1998-08-26 Co-channel interference detection network for an HDTV receiver
US9/140,143 1998-08-26
PCT/US1998/021799 WO1999023816A1 (en) 1997-10-31 1998-10-15 Co-channel interference detection network for an hdtv receiver

Publications (2)

Publication Number Publication Date
KR20010031426A KR20010031426A (ko) 2001-04-16
KR100564836B1 true KR100564836B1 (ko) 2006-03-30

Family

ID=26312528

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020007004456A KR100564836B1 (ko) 1997-10-31 1998-10-15 수신된 잔류 측파대 방식(vsb)으로 변조된 신호를 처리하기 위한 시스템에서 사용하기 위한 장치 및 방법

Country Status (6)

Country Link
JP (1) JP2001522203A (zh)
KR (1) KR100564836B1 (zh)
CN (1) CN1143523C (zh)
AU (1) AU1270699A (zh)
HK (1) HK1035288A1 (zh)
WO (1) WO1999023816A1 (zh)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6707861B1 (en) * 1999-10-26 2004-03-16 Thomson Licensing S.A. Demodulator for an HDTV receiver
KR100392449B1 (ko) * 2001-07-16 2003-07-23 삼성전자주식회사 디지털tv신호의 재생시스템 및 그 재생방법
US7038733B2 (en) * 2002-01-30 2006-05-02 Ericsson Inc. Television receivers and methods for processing signal sample streams synchronously with line/frame patterns
KR100859868B1 (ko) * 2002-05-30 2008-09-24 삼성전자주식회사 2개의 파일럿을 이용하여 안정되게 반송파를 복원할 수있는 디지털 방송 수신기의 반송파 복원장치
CN100361511C (zh) * 2002-11-26 2008-01-09 汤姆森许可贸易公司 Ntsc信号检测器
MXPA05005618A (es) * 2002-11-26 2005-07-27 Thomson Licensing Sa Un detector de bloqueo de circuito de rastreo de portador.
US7567298B2 (en) 2002-11-26 2009-07-28 Thomson Licensing Apparatus and method for detecting NTSC co-channel interference
US7672285B2 (en) * 2004-06-28 2010-03-02 Dtvg Licensing, Inc. Method and apparatus for minimizing co-channel interference by scrambling
KR100577703B1 (ko) * 2004-08-27 2006-05-10 삼성전자주식회사 Vsb 방식 수신기를 위한 반송파 복원장치 및 그 복원방법
DE102004054893A1 (de) * 2004-11-12 2006-05-24 Micronas Gmbh Verfahren und Schaltungsanordnung zur Kanalfilterung analog oder digital modulierter TV-Signale
CN1988435B (zh) * 2006-12-19 2011-06-08 上海广电(集团)有限公司中央研究院 一种数字比特位同步方法
CN101841503B (zh) * 2009-03-20 2014-01-15 高通创锐讯企业管理(上海)有限公司 Vsb调制系统中采样时钟恢复的方法
JP5561093B2 (ja) * 2010-10-15 2014-07-30 富士通株式会社 データ判定回路および受信装置
CN103297363B (zh) * 2012-02-27 2016-03-16 晨星软件研发(深圳)有限公司 符号率检测装置及符号率检测方法
TWI822030B (zh) * 2022-05-05 2023-11-11 律芯科技股份有限公司 雜訊整型式數位自動增益控制系統

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5604541A (en) * 1994-11-14 1997-02-18 Lg Electronics Inc. High definition television receiver

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5087975A (en) * 1990-11-09 1992-02-11 Zenith Electronics Corporation VSB HDTV transmission system with reduced NTSC co-channel interference
US5260793A (en) * 1991-07-18 1993-11-09 Zenith Electronics Corporation Receiver post coder selection circuit
US5452015A (en) * 1994-02-10 1995-09-19 Philips Electronics North America Corporation Method and apparatus for combating co-channel NTSC interference for digital TV transmission
US5546132A (en) * 1994-12-07 1996-08-13 Goldstar Co., Ltd. NTSC interference detector
KR0151529B1 (ko) * 1995-10-31 1998-10-15 김광호 엔티에스씨 리젝션 필터의 구동선택을 제어하는 장치 및 방법

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5604541A (en) * 1994-11-14 1997-02-18 Lg Electronics Inc. High definition television receiver

Also Published As

Publication number Publication date
CN1143523C (zh) 2004-03-24
CN1285993A (zh) 2001-02-28
WO1999023816A1 (en) 1999-05-14
KR20010031426A (ko) 2001-04-16
JP2001522203A (ja) 2001-11-13
HK1035288A1 (en) 2001-11-16
AU1270699A (en) 1999-05-24

Similar Documents

Publication Publication Date Title
US6233295B1 (en) Segment sync recovery network for an HDTV receiver
US6356598B1 (en) Demodulator for an HDTV receiver
US6697098B1 (en) Co-channel interference detection network for an HDTV receiver
KR100651050B1 (ko) 잔류 측파대 변조된 신호를 처리하기 위한 방법 및 장치
KR100651049B1 (ko) Hdtv 수신기의 복조기를 위한 위상 에러 추정 방법
KR100564836B1 (ko) 수신된 잔류 측파대 방식(vsb)으로 변조된 신호를 처리하기 위한 시스템에서 사용하기 위한 장치 및 방법
KR100615538B1 (ko) 수신된 잔류 측파대(vsb) 변조된 신호를 처리하기 위한 시스템에서 상관 기준 패턴을 제공하기 위한 장치 및 상관 기준 패턴을 사용하기 위한 방법
KR100508520B1 (ko) 수신된 잔류 측파대(vsb) 변조된 신호를 처리하기 위한 시스 템에서 사용하기 위한 장치 및 방법
KR100540675B1 (ko) 고화질 텔레비전 잔류 측파대 수신기 및 이러한 수신기에서의 사용 방법
US6985192B1 (en) Selective gain adjustment to aid carrier acquisition in a high definition television receiver
JP4149663B2 (ja) 受信hdtv信号のdcオフセットを削除するためのネットワーク
KR100720983B1 (ko) 파일롯 톤을 구비하는 텔레비전 신호의 반송파 획득 수행 방법 및 장치
MXPA00004216A (en) Network for eliminating dc offset in a received hdtv signal
MXPA00004217A (en) Co-channel interference detection network for an hdtv receiver
MXPA01004216A (en) Methods and compositions for the prevention of tolerance to medications

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
LAPS Lapse due to unpaid annual fee