KR101009720B1 - 채널 검출을 수행하는 방법 및 장치 - Google Patents

채널 검출을 수행하는 방법 및 장치 Download PDF

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Publication number
KR101009720B1
KR101009720B1 KR1020057002015A KR20057002015A KR101009720B1 KR 101009720 B1 KR101009720 B1 KR 101009720B1 KR 1020057002015 A KR1020057002015 A KR 1020057002015A KR 20057002015 A KR20057002015 A KR 20057002015A KR 101009720 B1 KR101009720 B1 KR 101009720B1
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KR
South Korea
Prior art keywords
channel
acquisition operation
signal
predetermined threshold
frequency
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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
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KR1020057002015A
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English (en)
Korean (ko)
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KR20050032595A (ko
Inventor
마튜 토마스 마예르
마이클 안쏘니 푸겔
막스 와드 무테르스파흐
Original Assignee
톰슨 라이센싱
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Publication of KR20050032595A publication Critical patent/KR20050032595A/ko
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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
    • H04N5/46—Receiver circuitry for the reception of television signals according to analogue transmission standards for receiving on more than one standard at will
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
    • H03J1/0091—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor provided with means for scanning over a band of frequencies
    • 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
    • H04N21/41—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
    • H04N21/4263—Internal components of the client ; Characteristics thereof for processing the incoming bitstream involving specific tuning arrangements, e.g. two tuners
    • H04N21/42638—Internal components of the client ; Characteristics thereof for processing the incoming bitstream involving specific tuning arrangements, e.g. two tuners involving a hybrid front-end, e.g. analog and digital tuners
    • 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
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4345—Extraction or processing of SI, e.g. extracting service information from an MPEG stream
    • 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
    • H04N21/4383—Accessing a communication channel
    • 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
    • H04N5/50—Tuning indicators; Automatic tuning control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Circuits Of Receivers In General (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
KR1020057002015A 2002-08-07 2003-08-06 채널 검출을 수행하는 방법 및 장치 Expired - Fee Related KR101009720B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40161402P 2002-08-07 2002-08-07
US60/401,614 2002-08-07

Publications (2)

Publication Number Publication Date
KR20050032595A KR20050032595A (ko) 2005-04-07
KR101009720B1 true KR101009720B1 (ko) 2011-01-19

Family

ID=31715715

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020057002015A Expired - Fee Related KR101009720B1 (ko) 2002-08-07 2003-08-06 채널 검출을 수행하는 방법 및 장치

Country Status (9)

Country Link
US (1) US7508459B2 (enExample)
EP (1) EP1547374A1 (enExample)
JP (1) JP2005535258A (enExample)
KR (1) KR101009720B1 (enExample)
CN (1) CN1675925A (enExample)
AU (1) AU2003257205A1 (enExample)
BR (1) BR0313225A (enExample)
MX (1) MXPA05001480A (enExample)
WO (1) WO2004015992A1 (enExample)

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JP3888167B2 (ja) * 2002-01-18 2007-02-28 船井電機株式会社 放送チャンネルの高速全域スキャン機能を備えたデジタル／アナログ放送受像装置
US7414676B2 (en) * 2002-07-31 2008-08-19 Conexant Systems, Inc. Integrated programmable tuner
US7260824B2 (en) * 2003-03-07 2007-08-21 Sony Corporation System and method for facilitating TV channel programming
JP4606062B2 (ja) * 2004-05-12 2011-01-05 富士通テン株式会社 デジタル放送受信機および放送受信方法
JP2006157619A (ja) * 2004-11-30 2006-06-15 Funai Electric Co Ltd 放送受信装置
KR100765319B1 (ko) * 2005-09-13 2007-10-09 삼성전자주식회사 방송 시스템의 채널 탐색 방법 및 그 장치
US7573531B1 (en) 2005-10-14 2009-08-11 Ati Technologies, Inc. Rapid channel signal identification
KR100823297B1 (ko) * 2005-10-20 2008-04-18 삼성전자주식회사 방송신호 수신장치 및 그 제어방법
US20090161024A1 (en) * 2005-11-04 2009-06-25 Wen Gao Apparatus and Method for Sensing an ATSC Signal in Low Signal-To-Noise Ratio
JPWO2008026376A1 (ja) * 2006-09-01 2010-01-14 シャープ株式会社 復調装置、復調装置の制御方法、復調装置の制御プログラム、および復調装置の制御プログラムを記録した記録媒体
EP2077033A1 (en) * 2006-10-23 2009-07-08 TTE Technology, Inc. System and method for accommodation of digital and analog channel number conflicts
KR100841559B1 (ko) * 2006-12-05 2008-06-26 주식회사 휴맥스 디지털 방송 수신기 및 원터치 채널 설정 방법
US8441580B2 (en) * 2007-09-27 2013-05-14 Himax Technologies Limited Method and system for scanning a frequency channel in digital television
CN101415083A (zh) * 2007-10-18 2009-04-22 深圳Tcl新技术有限公司 一种频道选择的方法及电子装置
US20110199490A1 (en) * 2010-02-18 2011-08-18 John Mezzalingua Associates, Inc. Handheld portable fiber optic service diagnostic tool and methods for same
JP5541031B2 (ja) * 2010-09-16 2014-07-09 セイコーエプソン株式会社 プロジェクター、およびプロジェクターの制御方法
US9449324B2 (en) 2010-11-11 2016-09-20 Sony Corporation Reducing TV licensing costs
US20130100885A1 (en) * 2011-10-24 2013-04-25 Qualcomm Incorporated Selectively invoking receive diversity during power-up/initial acquisition and out of service modes
EP2587797A1 (en) * 2011-10-24 2013-05-01 Mediatek Inc. Channel scan apparatus and channel scan method for co-scanning different television signals in selected radio frequency channel
TWI491256B (zh) * 2012-12-03 2015-07-01 Mstar Semiconductor Inc 衛星數位影像廣播信號的頻道掃描方法
WO2016151731A1 (ja) * 2015-03-23 2016-09-29 三菱電機株式会社 移動体用受信機
US11516815B1 (en) 2020-08-11 2022-11-29 T-Mobile Innovations Llc Antenna SPR as a basis to dynamically cap the MCS index on 5G NR

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020036709A1 (en) 2000-09-26 2002-03-28 Yusuke Nishida TV broadcasting reception apparatus, TV broadcasting reception method, and recording medium for recording control progam thereof

Family Cites Families (9)

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Publication number Priority date Publication date Assignee Title
US5982457A (en) * 1997-01-07 1999-11-09 Samsung Electronics, Co. Ltd. Radio receiver detecting digital and analog television radio-frequency signals with single first detector
JPH10233969A (ja) * 1997-02-20 1998-09-02 Nec Home Electron Ltd テレビジョン受像機の選局装置
US6369857B1 (en) * 1999-05-13 2002-04-09 Sarnoff Corporation Receiver for analog and digital television signals
JP2001230689A (ja) * 2000-02-15 2001-08-24 Toshiba Corp 地上波放送受信装置
JP3540242B2 (ja) * 2000-03-30 2004-07-07 松下電器産業株式会社 多方式対応受信装置
JP3457622B2 (ja) * 2000-03-31 2003-10-20 株式会社東芝 デジタル放送受信装置
JP2001333347A (ja) * 2000-05-23 2001-11-30 Pioneer Electronic Corp アナログ・デジタル両用テレビ受信装置
JP3920575B2 (ja) * 2001-01-22 2007-05-30 三洋電機株式会社 デジタル放送受信機におけるチャンネル情報登録処理方法
US6961370B2 (en) * 2001-03-29 2005-11-01 Acterna Sweep method using digital signals

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
US20020036709A1 (en) 2000-09-26 2002-03-28 Yusuke Nishida TV broadcasting reception apparatus, TV broadcasting reception method, and recording medium for recording control progam thereof

Also Published As

Publication number Publication date
JP2005535258A (ja) 2005-11-17
US20060038926A1 (en) 2006-02-23
KR20050032595A (ko) 2005-04-07
BR0313225A (pt) 2005-06-14
CN1675925A (zh) 2005-09-28
AU2003257205A1 (en) 2004-02-25
WO2004015992A1 (en) 2004-02-19
MXPA05001480A (es) 2005-06-06
US7508459B2 (en) 2009-03-24
EP1547374A1 (en) 2005-06-29

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