HK1020825A1 - Method and receiver for adjusting the levels of a digital signal characterized by a plurality of modulation constellations - Google Patents

Method and receiver for adjusting the levels of a digital signal characterized by a plurality of modulation constellations

Info

Publication number
HK1020825A1
HK1020825A1 HK99105848A HK99105848A HK1020825A1 HK 1020825 A1 HK1020825 A1 HK 1020825A1 HK 99105848 A HK99105848 A HK 99105848A HK 99105848 A HK99105848 A HK 99105848A HK 1020825 A1 HK1020825 A1 HK 1020825A1
Authority
HK
Hong Kong
Prior art keywords
receiver
levels
adjusting
digital signal
signal characterized
Prior art date
Application number
HK99105848A
Other languages
English (en)
Inventor
Gopalan Krishnamurthy
Original Assignee
Zenith Electronics Corp
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
Application filed by Zenith Electronics Corp filed Critical Zenith Electronics Corp
Publication of HK1020825A1 publication Critical patent/HK1020825A1/xx

Links

Classifications

    • 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
    • H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Dc Digital Transmission (AREA)
  • Television Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
HK99105848A 1996-10-07 1999-12-13 Method and receiver for adjusting the levels of a digital signal characterized by a plurality of modulation constellations HK1020825A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/726,498 US6084642A (en) 1996-10-07 1996-10-07 Receiver for adjusting sync levels in VSB systems
PCT/US1997/017805 WO1998016061A1 (en) 1996-10-07 1997-10-03 Receiver for adjusting sync levels in vsb systems

Publications (1)

Publication Number Publication Date
HK1020825A1 true HK1020825A1 (en) 2000-05-19

Family

ID=24918863

Family Applications (1)

Application Number Title Priority Date Filing Date
HK99105848A HK1020825A1 (en) 1996-10-07 1999-12-13 Method and receiver for adjusting the levels of a digital signal characterized by a plurality of modulation constellations

Country Status (11)

Country Link
US (1) US6084642A (zh)
JP (1) JP2001502483A (zh)
KR (1) KR100322865B1 (zh)
CN (1) CN1218563C (zh)
AU (1) AU4665997A (zh)
BR (1) BR9711591A (zh)
CA (1) CA2265614C (zh)
HK (1) HK1020825A1 (zh)
ID (1) ID21041A (zh)
TW (1) TW357532B (zh)
WO (1) WO1998016061A1 (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100442232B1 (ko) * 1997-08-28 2004-09-18 엘지전자 주식회사 에이치디티브이의 자동이득 조절장치
KR100304889B1 (ko) * 1998-12-31 2001-09-24 구자홍 디지털텔레비전의잔류측파대모드검출장치
US6493402B1 (en) * 1999-05-27 2002-12-10 Zenith Electronics Corporation Mode control for trellis decoder
US6958781B2 (en) * 2000-04-18 2005-10-25 Zenith Electronics Corporation Mapping arrangement for digital communication system
US6760076B2 (en) * 2000-12-08 2004-07-06 Koninklijke Philips Electronics N.V. System and method of synchronization recovery in the presence of pilot carrier phase rotation for an ATSC-HDTV receiver
US7092036B2 (en) * 2002-04-16 2006-08-15 Thomson Licensing Equalizer system including a comb filter in an HDTV system
KR100906339B1 (ko) * 2002-06-14 2009-07-06 삼성전자주식회사 필드동기의 길이를 가변할 수 있는 단일 반송파 전송 시스템
TWI411271B (zh) * 2008-10-27 2013-10-01 Realtek Semiconductor Corp 可估測複數資料信號的虛部成份之通訊信號接收器及其方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3795762A (en) * 1969-06-11 1974-03-05 Rca Corp Plural operating mode television receivers
US5086340A (en) * 1990-10-19 1992-02-04 Zenith Electronics Corporation Co-channel interference reduction system for digital high definition television
US5598220A (en) * 1991-07-18 1997-01-28 Zenith Electronics Corporation Digital signal with multilevel symbols and sync recognition
US5534938A (en) * 1991-07-18 1996-07-09 Citta; Richard W. Digital TV system using segment and field sync signals
JP2776094B2 (ja) * 1991-10-31 1998-07-16 日本電気株式会社 可変変調通信方法
US5274676A (en) * 1991-11-12 1993-12-28 Zenith Electronics Corporation Multi-standard synchronizing signal recovery system
US5486869A (en) * 1992-02-18 1996-01-23 Cooper; J. Carl Synchronizing signal separating apparatus and method
US5406587A (en) * 1993-02-08 1995-04-11 Zenith Electronics Corporation Error tracking loop
US5508748A (en) * 1993-02-08 1996-04-16 Zenith Electronics Corporation Data level selection for multilevel VSB transmission system
US5386239A (en) * 1993-05-03 1995-01-31 Thomson Consumer Electronics, Inc. Multiple QAM digital television signal decoder
KR960013655B1 (ko) * 1994-04-12 1996-10-10 엘지전자 주식회사 고선명 텔레비젼 수상기의 데이터 세그먼트 동기신호검출기
KR0163729B1 (ko) * 1995-04-19 1999-01-15 김광호 디지탈 잔류 측파대 변조 통신 시스템의 위상 검출 방법 및 위상 트랙킹 루프 회로
US5602601A (en) * 1995-04-21 1997-02-11 L. G. Electronics Inc. Phase error corrector for HDTV reception system
US5619269A (en) * 1995-06-07 1997-04-08 Zenith Electronics Corporation Frame sync signal for digital transmission system
US5745528A (en) * 1995-07-13 1998-04-28 Zenith Electronics Corporation VSB mode selection system
US5684827A (en) * 1995-10-04 1997-11-04 Zenith Electronics Corporation System for controlling the operating mode of an adaptive equalizer
KR0155900B1 (ko) * 1995-10-18 1998-11-16 김광호 위상에러검출방법 및 위상 트래킹 루프회로

Also Published As

Publication number Publication date
KR100322865B1 (ko) 2002-02-09
CA2265614C (en) 2002-05-21
JP2001502483A (ja) 2001-02-20
US6084642A (en) 2000-07-04
BR9711591A (pt) 1999-08-24
CA2265614A1 (en) 1998-04-16
AU4665997A (en) 1998-05-05
ID21041A (id) 1999-04-08
TW357532B (en) 1999-05-01
CN1231798A (zh) 1999-10-13
KR20000048629A (ko) 2000-07-25
WO1998016061A1 (en) 1998-04-16
CN1218563C (zh) 2005-09-07

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Legal Events

Date Code Title Description
PE Patent expired

Effective date: 20171002