KR100720983B1 - 파일롯 톤을 구비하는 텔레비전 신호의 반송파 획득 수행 방법 및 장치 - Google Patents

파일롯 톤을 구비하는 텔레비전 신호의 반송파 획득 수행 방법 및 장치 Download PDF

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Publication number
KR100720983B1
KR100720983B1 KR1020027000373A KR20027000373A KR100720983B1 KR 100720983 B1 KR100720983 B1 KR 100720983B1 KR 1020027000373 A KR1020027000373 A KR 1020027000373A KR 20027000373 A KR20027000373 A KR 20027000373A KR 100720983 B1 KR100720983 B1 KR 100720983B1
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KR
South Korea
Prior art keywords
signal
television signal
value
pilot tone
amplification level
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 - Fee Related
Application number
KR1020027000373A
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English (en)
Korean (ko)
Other versions
KR20020024304A (ko
Inventor
아아론릴 보윌렛
존시드니 스트워트
Original Assignee
톰슨 라이센싱
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.)
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Publication date
Application filed by 톰슨 라이센싱 filed Critical 톰슨 라이센싱
Publication of KR20020024304A publication Critical patent/KR20020024304A/ko
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Publication of KR100720983B1 publication Critical patent/KR100720983B1/ko
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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
    • H04N5/44—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
    • 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)
KR1020027000373A 1999-07-16 2000-07-13 파일롯 톤을 구비하는 텔레비전 신호의 반송파 획득 수행 방법 및 장치 Expired - Fee Related KR100720983B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14441399P 1999-07-16 1999-07-16
US60/144,413 1999-07-16

Publications (2)

Publication Number Publication Date
KR20020024304A KR20020024304A (ko) 2002-03-29
KR100720983B1 true KR100720983B1 (ko) 2007-05-23

Family

ID=22508476

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020027000373A Expired - Fee Related KR100720983B1 (ko) 1999-07-16 2000-07-13 파일롯 톤을 구비하는 텔레비전 신호의 반송파 획득 수행 방법 및 장치

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
DE60239159D1 (de) * 2002-01-11 2011-03-24 Agere Systems Ireland Res Ltd Taktregelung in daten-empfängern und -sendern
KR100486269B1 (ko) * 2002-10-07 2005-04-29 삼성전자주식회사 고 선명 텔레비전의 반송파 복구 장치 및 방법.
US7421042B2 (en) * 2002-11-26 2008-09-02 Thomson Licensing Carrier tracking loop lock detector
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
MY128892A (en) 2007-02-28
WO2001006774A1 (en) 2001-01-25
CN1157943C (zh) 2004-07-14
KR20020024304A (ko) 2002-03-29
EP1197077B1 (en) 2005-09-21
DE60022755D1 (de) 2005-10-27
EP1197077A1 (en) 2002-04-17
MXPA02000555A (es) 2002-07-02
DE60022755T2 (de) 2006-05-18
AU5933000A (en) 2001-02-05
JP2003505948A (ja) 2003-02-12
EP1197077B8 (en) 2005-11-30
TW496084B (en) 2002-07-21
CN1361981A (zh) 2002-07-31
JP4980528B2 (ja) 2012-07-18

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