CN1187964C - 用于消除所接收的高清晰电视信号中的直流偏置的网络 - Google Patents

用于消除所接收的高清晰电视信号中的直流偏置的网络 Download PDF

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Publication number
CN1187964C
CN1187964C CNB988128780A CN98812878A CN1187964C CN 1187964 C CN1187964 C CN 1187964C CN B988128780 A CNB988128780 A CN B988128780A CN 98812878 A CN98812878 A CN 98812878A CN 1187964 C CN1187964 C CN 1187964C
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CN
China
Prior art keywords
data
component
signal
symbol
network
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 - Lifetime
Application number
CNB988128780A
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English (en)
Chinese (zh)
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CN1285995A (zh
Inventor
T·J·王
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thomson Licensing SAS
RCA Licensing Corp
Original Assignee
RCA Licensing 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
Priority claimed from GBGB9723052.8A external-priority patent/GB9723052D0/en
Application filed by RCA Licensing Corp filed Critical RCA Licensing Corp
Publication of CN1285995A publication Critical patent/CN1285995A/zh
Application granted granted Critical
Publication of CN1187964C publication Critical patent/CN1187964C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • H04L27/06—Demodulator circuits; Receiver circuits
    • H04L27/066—Carrier recovery circuits
    • 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
    • H04L27/06—Demodulator circuits; Receiver circuits
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • H04N5/08—Separation of synchronising signals from picture signals
    • 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
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/455—Demodulation-circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
CNB988128780A 1997-10-31 1998-10-15 用于消除所接收的高清晰电视信号中的直流偏置的网络 Expired - Lifetime CN1187964C (zh)

Applications Claiming Priority (5)

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
US09/139706 1998-08-26
US09/139,706 1998-08-26
US09/139,706 US6266380B1 (en) 1997-10-31 1998-08-26 Network for eliminating DC offset in a received HDTV signal

Publications (2)

Publication Number Publication Date
CN1285995A CN1285995A (zh) 2001-02-28
CN1187964C true CN1187964C (zh) 2005-02-02

Family

ID=26312527

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB988128780A Expired - Lifetime CN1187964C (zh) 1997-10-31 1998-10-15 用于消除所接收的高清晰电视信号中的直流偏置的网络

Country Status (5)

Country Link
JP (1) JP4149663B2 (ja)
CN (1) CN1187964C (ja)
AU (1) AU1189499A (ja)
HK (1) HK1035283A1 (ja)
WO (1) WO1999023821A1 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6298100B1 (en) 1999-10-26 2001-10-02 Thomson Licensing S.A. Phase error estimation method for a demodulator in an HDTV receiver
US6707861B1 (en) 1999-10-26 2004-03-16 Thomson Licensing S.A. Demodulator for an HDTV receiver
JP3646598B2 (ja) 1999-12-21 2005-05-11 三菱電機株式会社 デジタルｆｍステレオ復調器
KR100407977B1 (ko) * 2002-01-17 2003-12-03 엘지전자 주식회사 포맷 변환 장치
JP2005005873A (ja) * 2003-06-10 2005-01-06 Matsushita Electric Ind Co Ltd オフセット補償機能付きｄ／ａ変換装置およびｄ／ａ変換装置のオフセット補償方法
WO2007010456A2 (en) * 2005-07-15 2007-01-25 Nxp B.V. Signal processor having a sampling arrangement and a folding compensator
US8300157B2 (en) 2007-11-06 2012-10-30 Himax Technologies Limited Method for estimating frequency offsets and frequency offset estimation circuit thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5410368A (en) * 1993-12-29 1995-04-25 Zenith Electronics Corp. Carrier acquisition by applying substitute pilot to a synchronous demodulator during a start up interval
GB9405487D0 (en) * 1994-03-21 1994-05-04 Rca Thomson Licensing Corp VSB demodulator
US5565932A (en) * 1994-11-08 1996-10-15 Zenith Electronics Corp. AGC system with pilot using digital data reference
KR960020485A (ko) * 1994-11-14 1996-06-17 이헌조 에이치디티브이(hdtv) 수신장치
US5619269A (en) * 1995-06-07 1997-04-08 Zenith Electronics Corporation Frame sync signal for digital transmission system
KR0170690B1 (ko) * 1995-09-23 1999-03-20 김광호 반송파 및 심볼타이밍 복원완료 검출회로와 그 방법 및 이를 채용한 고해상도 텔레비젼
US5699011A (en) * 1996-08-02 1997-12-16 Zenith Electronics Corporation DC offset compensation method and apparatus

Also Published As

Publication number Publication date
HK1035283A1 (en) 2001-11-16
JP4149663B2 (ja) 2008-09-10
CN1285995A (zh) 2001-02-28
WO1999023821A1 (en) 1999-05-14
AU1189499A (en) 1999-05-24
JP2001522205A (ja) 2001-11-13

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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
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CX01 Expiry of patent term

Granted publication date: 20050202