JP2005535258A - チャネル検出を行うための方法及び装置 - Google Patents
チャネル検出を行うための方法及び装置 Download PDFInfo
- Publication number
- JP2005535258A JP2005535258A JP2004527778A JP2004527778A JP2005535258A JP 2005535258 A JP2005535258 A JP 2005535258A JP 2004527778 A JP2004527778 A JP 2004527778A JP 2004527778 A JP2004527778 A JP 2004527778A JP 2005535258 A JP2005535258 A JP 2005535258A
- Authority
- JP
- Japan
- 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
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US40161402P | 2002-08-07 | 2002-08-07 | |
| PCT/US2003/024576 WO2004015992A1 (en) | 2002-08-07 | 2003-08-06 | Method and apparatus for performing channel detection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005535258A true JP2005535258A (ja) | 2005-11-17 |
| JP2005535258A5 JP2005535258A5 (enExample) | 2006-09-28 |
Family
ID=31715715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004527778A Pending JP2005535258A (ja) | 2002-08-07 | 2003-08-06 | チャネル検出を行うための方法及び装置 |
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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016151731A1 (ja) * | 2015-03-23 | 2016-09-29 | 三菱電機株式会社 | 移動体用受信機 |
Families Citing this family (21)
| 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 |
| 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 |
| 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 (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP2001230689A (ja) * | 2000-02-15 | 2001-08-24 | Toshiba Corp | 地上波放送受信装置 |
| JP2001285032A (ja) * | 2000-03-31 | 2001-10-12 | Toshiba Corp | デジタル放送受信装置 |
| JP2002218335A (ja) * | 2001-01-22 | 2002-08-02 | Sanyo Electric Co Ltd | 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 |
Family Cites Families (6)
| 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 |
| US6369857B1 (en) * | 1999-05-13 | 2002-04-09 | Sarnoff Corporation | Receiver for analog and digital television signals |
| 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 |
| 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 |
| US6961370B2 (en) * | 2001-03-29 | 2005-11-01 | Acterna | Sweep method using digital signals |
-
2003
- 2003-08-06 WO PCT/US2003/024576 patent/WO2004015992A1/en not_active Ceased
- 2003-08-06 EP EP03784941A patent/EP1547374A1/en not_active Withdrawn
- 2003-08-06 US US10/523,484 patent/US7508459B2/en not_active Expired - Fee Related
- 2003-08-06 JP JP2004527778A patent/JP2005535258A/ja active Pending
- 2003-08-06 AU AU2003257205A patent/AU2003257205A1/en not_active Abandoned
- 2003-08-06 CN CNA038191059A patent/CN1675925A/zh active Pending
- 2003-08-06 BR BR0313225-0A patent/BR0313225A/pt not_active Application Discontinuation
- 2003-08-06 KR KR1020057002015A patent/KR101009720B1/ko not_active Expired - Fee Related
- 2003-08-06 MX MXPA05001480A patent/MXPA05001480A/es active IP Right Grant
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP2001230689A (ja) * | 2000-02-15 | 2001-08-24 | Toshiba Corp | 地上波放送受信装置 |
| JP2001285032A (ja) * | 2000-03-31 | 2001-10-12 | Toshiba Corp | デジタル放送受信装置 |
| JP2002218335A (ja) * | 2001-01-22 | 2002-08-02 | Sanyo Electric Co Ltd | 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016151731A1 (ja) * | 2015-03-23 | 2016-09-29 | 三菱電機株式会社 | 移動体用受信機 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101009720B1 (ko) | 2011-01-19 |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7508459B2 (en) | Method and apparatus for performing channel detection | |
| JP2002218335A (ja) | 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 | |
| JP2004179928A (ja) | デジタル放送受信装置、受信方法および受信回路 | |
| KR101014614B1 (ko) | 다수의 피드백 소스를 사용하여 agc 기능을 제공하는 장치 및 방법 | |
| KR100786594B1 (ko) | 오프셋 동조 장치를 구비하는 디지털 신호용 텔레비젼수상기 | |
| US7599009B2 (en) | Apparatus and method for processing analog and digital signals from multiple signal sources | |
| US7239358B1 (en) | Television receiver for digital signals with offset tuning provisions | |
| KR100766366B1 (ko) | 복수의 채널을 처리하기 위한 방법, 복수의 채널과 관련된 정보를 자동으로 프로그래밍하기 위한 장치, 컴퓨터로 판독가능한 기록매체 | |
| US7586999B2 (en) | Method and receiver for scanning broadcast channels | |
| KR20000006388A (ko) | 텔레비전수신기 | |
| KR100649739B1 (ko) | 디지털 tv 수신기의 자동 채널 탐색 방법 | |
| EP2337248A2 (en) | Method of processing analog broadcasting signal and broadcasting signal receiving apparatus | |
| JP2001156665A (ja) | 受信装置及びこれを用いたテレビジョン受像装置ならびに記録再生装置 | |
| KR20010009506A (ko) | 자동 탐색 시 방송시스템 자동인식장치 및 방법 | |
| JPH04126471U (ja) | Aft回路 | |
| JP2005333198A (ja) | 地上波デジタル放送受信チューナ | |
| KR20090022014A (ko) | 튜너의 스플리터 부스터 자동 설정 시스템 | |
| JP2007324951A (ja) | 受信装置 | |
| JPH01318483A (ja) | 衛星放送受信機 | |
| JP2008244625A (ja) | テレビ受信装置及び該装置のチャンネルプリセット方法 | |
| JPH0795497A (ja) | 電源供給方法及び電源供給装置 | |
| KR19990039735A (ko) | 티브이씨알에서의 사운드 버즈 제거 방법 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20060802 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20060802 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100105 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20100402 |
|
| A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20100409 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100705 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20100817 |