SG97952A1 - Demodulator for an hdtv receiver - Google Patents

Demodulator for an hdtv receiver

Info

Publication number
SG97952A1
SG97952A1 SG200005824A SG200005824A SG97952A1 SG 97952 A1 SG97952 A1 SG 97952A1 SG 200005824 A SG200005824 A SG 200005824A SG 200005824 A SG200005824 A SG 200005824A SG 97952 A1 SG97952 A1 SG 97952A1
Authority
SG
Singapore
Prior art keywords
demodulator
hdtv receiver
hdtv
receiver
Prior art date
Application number
SG200005824A
Other languages
English (en)
Inventor
Sidney Stewart John
Original Assignee
Thomson Licensing Sa
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 Thomson Licensing Sa filed Critical Thomson Licensing Sa
Publication of SG97952A1 publication Critical patent/SG97952A1/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/015—High-definition television systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • H03D7/166—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature using two or more quadrature frequency translation stages
    • 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
    • H04N5/14—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
    • 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)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Television Systems (AREA)
SG200005824A 1999-10-26 2000-10-11 Demodulator for an hdtv receiver SG97952A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/427,316 US6707861B1 (en) 1999-10-26 1999-10-26 Demodulator for an HDTV receiver

Publications (1)

Publication Number Publication Date
SG97952A1 true SG97952A1 (en) 2003-08-20

Family

ID=23694341

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200005824A SG97952A1 (en) 1999-10-26 2000-10-11 Demodulator for an hdtv receiver

Country Status (7)

Country Link
US (1) US6707861B1 (nl)
JP (1) JP4651798B2 (nl)
KR (1) KR100651050B1 (nl)
CN (1) CN1171449C (nl)
MX (1) MXPA00010469A (nl)
MY (1) MY124713A (nl)
SG (1) SG97952A1 (nl)

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US7167215B2 (en) * 2001-04-16 2007-01-23 Thomson Licensing Gain control for a high definition television demodulator
KR100425104B1 (ko) * 2001-10-06 2004-03-30 엘지전자 주식회사 반송파 복구 장치
TW543328B (en) * 2001-12-10 2003-07-21 Silicon Integrated Sys Corp TV decoder
US7006806B2 (en) * 2002-02-26 2006-02-28 Broadcom Corporation System and method for SAP FM demodulation
US7079657B2 (en) * 2002-02-26 2006-07-18 Broadcom Corporation System and method of performing digital multi-channel audio signal decoding
KR100442255B1 (ko) * 2002-02-27 2004-07-30 엘지전자 주식회사 채널 등화 장치
KR100407976B1 (ko) * 2002-02-28 2003-12-01 엘지전자 주식회사 디지털 ｔｖ 수신기
KR20040006309A (ko) * 2002-07-11 2004-01-24 엘지전자 주식회사 디지털 ｔｖ 수신기에서의 ｖｓｂ 복조 장치
US7366265B2 (en) * 2002-08-29 2008-04-29 Thomson Licensing System for detecting the characteristics of a time varying multipath component
KR100499480B1 (ko) * 2002-10-31 2005-07-05 엘지전자 주식회사 Ｖｓｂ 수신 시스템에서의 반송파 복구 장치
KR100499491B1 (ko) * 2002-11-27 2005-07-05 엘지전자 주식회사 디지털 티브이 수신기
KR100459142B1 (ko) * 2002-11-27 2004-12-03 엘지전자 주식회사 디지털 티브이의 심볼 클럭 복구 장치
KR100510665B1 (ko) * 2002-12-28 2005-08-31 엘지전자 주식회사 디지털 ｔｖ의 위상 오차 추적 장치 및 방법
EP1439658A1 (en) * 2003-01-17 2004-07-21 Telefonaktiebolaget LM Ericsson (publ) A signal processing apparatus and method for decision directed symbol synchronisation
US7489362B2 (en) * 2003-03-04 2009-02-10 Broadcom Corporation Television functionality on a chip
US20050027771A1 (en) * 2003-07-30 2005-02-03 Broadcom Corporation System and method for approximating division
KR100525002B1 (ko) 2004-01-19 2005-10-31 삼성전자주식회사 파일럿 신호가 왜곡된 채널 환경에서도 반송파를 복조하기위한 알고리즘 및 그 복조 장치
US8732788B2 (en) * 2004-05-21 2014-05-20 Broadcom Corporation Integrated set-top box
KR100577703B1 (ko) * 2004-08-27 2006-05-10 삼성전자주식회사 Ｖｓｂ 방식 수신기를 위한 반송파 복원장치 및 그 복원방법
KR100631203B1 (ko) 2004-10-07 2006-10-04 삼성전자주식회사 Ｖｓｂ 방식 수신기를 위한 반송파 및 심볼 타이밍복원장치 그리고 그 복원방법
KR100594296B1 (ko) * 2004-10-12 2006-06-30 삼성전자주식회사 디지털 텔레비전 수신 장치의 동기신호 검출기 및 그 방법
FR2877181B1 (fr) * 2004-10-12 2014-05-30 Samsung Electronics Co Ltd Recepteur de television numerique, procede de generation de signaux de synchronisation et detecteur de signal de synchronisation dans ce recepteur
CN1798283B (zh) * 2004-12-20 2010-11-24 三星电子株式会社 一种数字多媒体信号接收机及其接收方法
US7983354B2 (en) * 2005-11-25 2011-07-19 Samsung Electronics Co., Ltd. Digital broadcast transmitter/receiver having an improved receiving performance and signal processing method thereof
US20100283918A1 (en) * 2007-12-27 2010-11-11 Benyuan Zhang Apparatus and method for estimating carrier frequency error
US20090177852A1 (en) * 2008-01-09 2009-07-09 Mediatek Inc. Data block receiver and method for decoding data block
US8280330B2 (en) * 2009-12-30 2012-10-02 Quintic Holdings Crystal-less clock generation for radio frequency receivers
CN102726039B (zh) * 2010-01-29 2014-08-20 联发科技股份有限公司 电视信号处理装置与电视信号处理方法
US8666001B2 (en) * 2011-07-15 2014-03-04 Motorola Solutions, Inc. Method and apparatus for updating symbol recovery parameters and correcting symbol timing misalignment
US8611407B2 (en) * 2011-11-01 2013-12-17 Intel Corporation Phase detection in digital communication receivers
WO2019098999A1 (en) * 2017-11-15 2019-05-23 Siemens Aktiengesellschaft Pulse width modulation control for a multilevel converter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995026101A1 (en) * 1994-03-21 1995-09-28 Rca Thomson Licensing Corporation Carrier recovery system for a vestigial sideband signal
WO1997001234A1 (de) * 1995-06-20 1997-01-09 Robert Bosch Gmbh Frequenz- und phasenregelkreis für vsb-empfänger
EP0769364A2 (en) * 1995-10-18 1997-04-23 Samsung Electronics Co., Ltd. Phase trading particularly for HDTV receivers
WO1999023816A1 (en) * 1997-10-31 1999-05-14 Thomson Licensing S.A. Co-channel interference detection network for an hdtv receiver

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JP3241098B2 (ja) * 1992-06-12 2001-12-25 株式会社東芝 多方式対応の受信装置
US5706057A (en) * 1994-03-21 1998-01-06 Rca Thomson Licensing Corporation Phase detector in a carrier recovery network for a vestigial sideband signal
KR0124594B1 (ko) 1994-04-12 1997-12-01 구자홍 고선명 텔레비젼 수상기의 복조시스템
US5606579A (en) 1994-05-23 1997-02-25 Samsung Electronics Co., Ltd. Digital VSB detector with final IF carrier at submultiple of symbol rate, as for HDTV receiver
JP3306736B2 (ja) * 1995-02-20 2002-07-24 日本電信電話株式会社 周波数オフセット補償回路
KR0157531B1 (ko) * 1995-07-14 1998-11-16 김광호 텔레비젼신호 수신기에서 디지탈 반송파 복구 장치 및 방법
KR0147661B1 (ko) * 1995-08-30 1998-09-15 김광호 데이타 세그먼트 동기 검출회로 및 그 방법
JP3503722B2 (ja) * 1996-05-17 2004-03-08 パイオニア株式会社 多値ディジタル伝送システム
KR100233658B1 (ko) 1996-10-21 1999-12-01 윤종용 고선명 텔레비젼 수신기의 반송파 복구시간을 줄이는 방법
GB2331210A (en) * 1997-09-12 1999-05-12 Daewoo Electronics Co Ltd Timing recovery in vestigial sideband modulation
US6356598B1 (en) * 1998-08-26 2002-03-12 Thomson Licensing S.A. Demodulator for an HDTV receiver
CN1130899C (zh) * 1997-10-31 2003-12-10 汤姆森许可公司 处理含高清晰度视频数据残留边带调制信号的装置和方法
CN1187964C (zh) 1997-10-31 2005-02-02 汤姆森许可公司 用于消除所接收的高清晰电视信号中的直流偏置的网络
US6298100B1 (en) * 1999-10-26 2001-10-02 Thomson Licensing S.A. Phase error estimation method for a demodulator in an HDTV receiver

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995026101A1 (en) * 1994-03-21 1995-09-28 Rca Thomson Licensing Corporation Carrier recovery system for a vestigial sideband signal
WO1997001234A1 (de) * 1995-06-20 1997-01-09 Robert Bosch Gmbh Frequenz- und phasenregelkreis für vsb-empfänger
EP0769364A2 (en) * 1995-10-18 1997-04-23 Samsung Electronics Co., Ltd. Phase trading particularly for HDTV receivers
WO1999023816A1 (en) * 1997-10-31 1999-05-14 Thomson Licensing S.A. Co-channel interference detection network for an hdtv receiver

Also Published As

Publication number Publication date
KR20010040076A (ko) 2001-05-15
JP4651798B2 (ja) 2011-03-16
MXPA00010469A (es) 2002-07-22
CN1171449C (zh) 2004-10-13
MY124713A (en) 2006-06-30
JP2001168932A (ja) 2001-06-22
CN1295401A (zh) 2001-05-16
US6707861B1 (en) 2004-03-16
KR100651050B1 (ko) 2006-11-28

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