CN100367790C - 在高清晰度电视系统中包含梳状滤波器的均衡系统 - Google Patents

在高清晰度电视系统中包含梳状滤波器的均衡系统 Download PDF

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Publication number
CN100367790C
CN100367790C CNB031524559A CN03152455A CN100367790C CN 100367790 C CN100367790 C CN 100367790C CN B031524559 A CNB031524559 A CN B031524559A CN 03152455 A CN03152455 A CN 03152455A CN 100367790 C CN100367790 C CN 100367790C
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China
Prior art keywords
signal
filter
video data
symbol
symbols
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Expired - Fee Related
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CNB031524559A
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English (en)
Chinese (zh)
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CN1481162A (zh
Inventor
阿道夫·德索扎
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THOMSON LICENSING CORP
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THOMSON LICENSING CORP
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Publication of CN1481162A publication Critical patent/CN1481162A/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/015—High-definition television systems
    • 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
    • H04N5/211—Ghost signal cancellation

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Picture Signal Circuits (AREA)
  • Color Television Systems (AREA)
  • Processing Of Color Television Signals (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
CNB031524559A 2002-04-16 2003-04-15 在高清晰度电视系统中包含梳状滤波器的均衡系统 Expired - Fee Related CN100367790C (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US37291402P 2002-04-16 2002-04-16
US60/372,914 2002-04-16
US10/388,679 US7092036B2 (en) 2002-04-16 2003-03-14 Equalizer system including a comb filter in an HDTV system
US10/388,679 2003-03-14

Publications (2)

Publication Number Publication Date
CN1481162A CN1481162A (zh) 2004-03-10
CN100367790C true CN100367790C (zh) 2008-02-06

Family

ID=28794504

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB031524559A Expired - Fee Related CN100367790C (zh) 2002-04-16 2003-04-15 在高清晰度电视系统中包含梳状滤波器的均衡系统

Country Status (6)

Country Link
US (1) US7092036B2 (enExample)
JP (1) JP4373118B2 (enExample)
KR (1) KR100982898B1 (enExample)
CN (1) CN100367790C (enExample)
MX (1) MXPA03003249A (enExample)
MY (1) MY134400A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7248849B1 (en) * 2003-06-03 2007-07-24 Texas Instruments Incorporated Frequency domain training of prefilters for receivers
US7801248B2 (en) * 2004-11-19 2010-09-21 Qualcomm Incorporated Interference suppression with virtual antennas
US7463679B2 (en) * 2005-06-27 2008-12-09 Intel Corporation Equalizer mode selection based on distribution of symbol error
US20130142520A1 (en) * 2008-06-30 2013-06-06 Chuan Xie Anti-causal pre-emphasis for high speed optical transmission

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5331416A (en) * 1992-12-02 1994-07-19 Samsung Electronics Co., Ltd. Methods for operating ghost-cancelation circuitry for TV receiver or video recorder
CN1112765A (zh) * 1993-11-18 1995-11-29 株式会社金星社 用于数字电视接收机的频道平衡器
CN1231798A (zh) * 1996-10-07 1999-10-13 齐尼思电子公司 用于调节vsb系统中同步电平的接收机
US6118495A (en) * 1998-01-13 2000-09-12 Samsung Electronics Co., Ltd. Training signal in plural PN sequences near beginnings of data segments of DTV signal or scan lines of NTSC signal
US6222592B1 (en) * 1998-01-13 2001-04-24 Samsung Electronics Co., Ltd. TV receiver equalizer storing channel characterizations for each TV channel between times of reception therefrom

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5602602A (en) * 1994-02-10 1997-02-11 Philips Electronics North America Corporation Method and apparatus for combating co-channel NTSC interference for digital TV transmission having a simplified rejection filter
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
US5572262A (en) * 1994-12-29 1996-11-05 Philips Electronics North America Corporation Receiver based methods and devices for combating co-channel NTSC interference in digital transmission
KR100219636B1 (ko) * 1997-03-25 1999-09-01 윤종용 레벨 변화를 일으키지 않는 ntsc 제거필터의 설계방법과 이를 채용한 수신기
US6011814A (en) 1997-09-30 2000-01-04 Paradyne Corporation Adaptive comb filter and decision feedback equalizer for noise suppression
US6384858B1 (en) * 1998-08-24 2002-05-07 Samsung Electronics Co., Ltd. Suppression of co-channel NTSC interference artifacts when extracting training signal for a DTV receiver equalizer
US6826242B2 (en) * 2001-01-16 2004-11-30 Broadcom Corporation Method for whitening colored noise in a communication system
KR100674423B1 (ko) * 2001-01-19 2007-01-29 엘지전자 주식회사 송/수신 시스템 및 데이터 처리 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5331416A (en) * 1992-12-02 1994-07-19 Samsung Electronics Co., Ltd. Methods for operating ghost-cancelation circuitry for TV receiver or video recorder
CN1112765A (zh) * 1993-11-18 1995-11-29 株式会社金星社 用于数字电视接收机的频道平衡器
CN1231798A (zh) * 1996-10-07 1999-10-13 齐尼思电子公司 用于调节vsb系统中同步电平的接收机
US6118495A (en) * 1998-01-13 2000-09-12 Samsung Electronics Co., Ltd. Training signal in plural PN sequences near beginnings of data segments of DTV signal or scan lines of NTSC signal
US6222592B1 (en) * 1998-01-13 2001-04-24 Samsung Electronics Co., Ltd. TV receiver equalizer storing channel characterizations for each TV channel between times of reception therefrom

Also Published As

Publication number Publication date
CN1481162A (zh) 2004-03-10
MXPA03003249A (es) 2004-10-29
JP2004007577A (ja) 2004-01-08
US20030193617A1 (en) 2003-10-16
MY134400A (en) 2007-12-31
JP4373118B2 (ja) 2009-11-25
KR20030082443A (ko) 2003-10-22
US7092036B2 (en) 2006-08-15
KR100982898B1 (ko) 2010-09-20

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CF01 Termination of patent right due to non-payment of annual fee