JP4980528B2 - 高精細度テレビジョン受信機内における搬送波捕捉を助けるための選択的利得調節 - Google Patents

高精細度テレビジョン受信機内における搬送波捕捉を助けるための選択的利得調節 Download PDF

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Publication number
JP4980528B2
JP4980528B2 JP2001511093A JP2001511093A JP4980528B2 JP 4980528 B2 JP4980528 B2 JP 4980528B2 JP 2001511093 A JP2001511093 A JP 2001511093A JP 2001511093 A JP2001511093 A JP 2001511093A JP 4980528 B2 JP4980528 B2 JP 4980528B2
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Japan
Prior art keywords
power value
signal
control signal
value
reference power
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Expired - Fee Related
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JP2001511093A
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English (en)
Japanese (ja)
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JP2003505948A5 (enExample
JP2003505948A (ja
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リール ブーイエ アーロン
シドニー スチュワート ジョン
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Thomson Licensing SAS
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Thomson Licensing SAS
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    • 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
    • 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
    • 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
    • H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
    • 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
    • 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
    • H04N21/43—Processing 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
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Circuits Of Receivers In General (AREA)
  • Television Receiver Circuits (AREA)
  • Television Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
JP2001511093A 1999-07-16 2000-07-13 高精細度テレビジョン受信機内における搬送波捕捉を助けるための選択的利得調節 Expired - Fee Related JP4980528B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14441399P 1999-07-16 1999-07-16
US60/144,413 1999-07-16
PCT/US2000/019134 WO2001006774A1 (en) 1999-07-16 2000-07-13 Selective gain adjustement to aid carrier acquisition in a high definition television receiver

Publications (3)

Publication Number Publication Date
JP2003505948A JP2003505948A (ja) 2003-02-12
JP2003505948A5 JP2003505948A5 (enExample) 2007-09-06
JP4980528B2 true JP4980528B2 (ja) 2012-07-18

Family

ID=22508476

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001511093A Expired - Fee Related JP4980528B2 (ja) 1999-07-16 2000-07-13 高精細度テレビジョン受信機内における搬送波捕捉を助けるための選択的利得調節

Country Status (10)

Country Link
EP (1) EP1197077B8 (enExample)
JP (1) JP4980528B2 (enExample)
KR (1) KR100720983B1 (enExample)
CN (1) CN1157943C (enExample)
AU (1) AU5933000A (enExample)
DE (1) DE60022755T2 (enExample)
MX (1) MXPA02000555A (enExample)
MY (1) MY128892A (enExample)
TW (1) TW496084B (enExample)
WO (1) WO2001006774A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100806536B1 (ko) * 2002-01-11 2008-02-25 에이저 시스템즈 (아일랜드) 리서치 리미티드 데이터 수신기들 및 전송기들에서의 타이밍 제어
KR100486269B1 (ko) * 2002-10-07 2005-04-29 삼성전자주식회사 고 선명 텔레비전의 반송파 복구 장치 및 방법.
BR0316557A (pt) * 2002-11-26 2005-10-04 Thomson Licensing Sa Detector de bloqueio de laço de monitoração de portadora
CN1317875C (zh) * 2003-09-26 2007-05-23 南京Lg新港显示有限公司 载波复原装置
US7061276B2 (en) * 2004-04-02 2006-06-13 Teradyne, Inc. Digital phase detector
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
TWI398166B (zh) * 2009-04-07 2013-06-01 Himax Media Solutions Inc 數位接收器及其相關方法
CN102724514B (zh) * 2012-05-16 2015-04-08 浙江大华技术股份有限公司 一种模拟视频信号传输损耗补偿方法、装置及接收设备
CN110716182A (zh) * 2018-07-11 2020-01-21 同方威视技术股份有限公司 基于数字控制的智能自动频率控制设备

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5546138A (en) * 1993-12-29 1996-08-13 Zenith Electronics Corporation AGC system with overriding, maximum gain during an initial interval to enhance signal acquisition

Family Cites Families (2)

* 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
US5627604A (en) * 1994-04-04 1997-05-06 Zenith Electronics Corporation Stabilizing the lock up of a bi-phase stable FPLL by augmenting a recovered DC pilot

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5546138A (en) * 1993-12-29 1996-08-13 Zenith Electronics Corporation AGC system with overriding, maximum gain during an initial interval to enhance signal acquisition

Also Published As

Publication number Publication date
AU5933000A (en) 2001-02-05
DE60022755D1 (de) 2005-10-27
CN1157943C (zh) 2004-07-14
DE60022755T2 (de) 2006-05-18
MY128892A (en) 2007-02-28
EP1197077B8 (en) 2005-11-30
MXPA02000555A (es) 2002-07-02
EP1197077A1 (en) 2002-04-17
WO2001006774A1 (en) 2001-01-25
JP2003505948A (ja) 2003-02-12
KR20020024304A (ko) 2002-03-29
CN1361981A (zh) 2002-07-31
EP1197077B1 (en) 2005-09-21
TW496084B (en) 2002-07-21
KR100720983B1 (ko) 2007-05-23

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