CN1675925A - 用于进行频道检测的方法和设备 - Google Patents

用于进行频道检测的方法和设备 Download PDF

Info

Publication number
CN1675925A
CN1675925A CNA038191059A CN03819105A CN1675925A CN 1675925 A CN1675925 A CN 1675925A CN A038191059 A CNA038191059 A CN A038191059A CN 03819105 A CN03819105 A CN 03819105A CN 1675925 A CN1675925 A CN 1675925A
Authority
CN
China
Prior art keywords
channel
signal
acquisition operation
predetermined threshold
broadcast channel
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.)
Pending
Application number
CNA038191059A
Other languages
English (en)
Chinese (zh)
Inventor
M·T·迈尔
M·A·普格尔
M·W·穆特尔斯保
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.)
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
Application filed by RCA Licensing Corp filed Critical RCA Licensing Corp
Publication of CN1675925A publication Critical patent/CN1675925A/zh
Pending legal-status Critical Current

Links

Images

Classifications

    • 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)
CNA038191059A 2002-08-07 2003-08-06 用于进行频道检测的方法和设备 Pending CN1675925A (zh)

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 (1)

Publication Number Publication Date
CN1675925A true CN1675925A (zh) 2005-09-28

Family

ID=31715715

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA038191059A Pending CN1675925A (zh) 2002-08-07 2003-08-06 用于进行频道检测的方法和设备

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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101513042B (zh) * 2006-09-01 2011-08-03 夏普株式会社 解调装置、解调装置控制方法
CN103079044A (zh) * 2011-10-24 2013-05-01 联发科技股份有限公司 信道扫描装置以及信道扫描方法

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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

Family Cites Families (10)

* Cited by examiner, † Cited by third party
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
JP3587245B2 (ja) * 2000-09-26 2004-11-10 船井電機株式会社 Ｔｖ放送受信装置およびｔｖ放送受信方法
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101513042B (zh) * 2006-09-01 2011-08-03 夏普株式会社 解调装置、解调装置控制方法
US8194806B2 (en) 2006-09-01 2012-06-05 Sharp Kabushiki Kaisha Demodulation device, demodulation device control method, demodulation device control program, and recording medium with recorded demodulation device control program
CN103079044A (zh) * 2011-10-24 2013-05-01 联发科技股份有限公司 信道扫描装置以及信道扫描方法

Also Published As

Publication number Publication date
KR101009720B1 (ko) 2011-01-19
JP2005535258A (ja) 2005-11-17
US20060038926A1 (en) 2006-02-23
KR20050032595A (ko) 2005-04-07
BR0313225A (pt) 2005-06-14
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

Similar Documents

Publication Publication Date Title
CN1675925A (zh) 用于进行频道检测的方法和设备
CN1306809C (zh) 数字广播接收设备，接收方法和接收电路
CN1750413B (zh) 广播信号接收装置和滤除噪声信号的方法
CN100345442C (zh) 多频道接收机及自动设置其宽带放大器的工作状态的方法
US7602448B2 (en) Apparatus and method for providing an AGC function using multiple feedback sources
JPH1198383A (ja) サイマルキャスト受信機の同一チャネル干渉除去器及びその方法
US8218092B1 (en) Apparatus for receiving both analog and digital TV signals
EP1670243A1 (en) Mobile high frequency receiver with quality based input control
US7599009B2 (en) Apparatus and method for processing analog and digital signals from multiple signal sources
US20040244048A1 (en) Receiving apparatus and receiving method
JP2001077713A (ja) デジタル放送受信装置
US7995147B2 (en) Apparatus and method for compensating for varying adjacent channel conditions
CN101682347B (zh) 数字广播接收装置
WO2001006775A9 (en) Method and apparatus for autoprogramming a television receiver
TWI373967B (en) Method and system for scanning a frequency channel in digital television
JP4469100B2 (ja) デジタル放送受信方法およびデジタル放送受信機
KR19990065845A (ko) 디지털 티브이(tv)의 채널탐색장치 및 방법
JP2007089038A (ja) 受信装置および受信装置のチューニング方法
WO2007070043A1 (en) Signal receiving device having multi-stage gain control for multiple control modes
JP2004015315A (ja) アナログ／デジタル放送の判別方法

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20050928