JP4377240B2 - 双方向通信装置 - Google Patents
双方向通信装置 Download PDFInfo
- Publication number
- JP4377240B2 JP4377240B2 JP2003557214A JP2003557214A JP4377240B2 JP 4377240 B2 JP4377240 B2 JP 4377240B2 JP 2003557214 A JP2003557214 A JP 2003557214A JP 2003557214 A JP2003557214 A JP 2003557214A JP 4377240 B2 JP4377240 B2 JP 4377240B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- frequency
- signals
- antenna
- control
- 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 - Lifetime
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N7/17309—Transmission or handling of upstream communications
Description
Claims (2)
- 信号を処理するための方法であって、
第1のアンテナで提供された第1のRF信号を受信するステップと、
信号コンバイナで第1のダウンコンバートされた信号を提供するために、前記第1のRF信号をダウンコンバートするステップと、
第2のアンテナで提供された第2のRF信号を受信するステップと、
前記信号コンバイナで第2のダウンコンバートされた信号を提供するために、前記第2のRF信号をダウンコンバートするステップと、
前記信号コンバイナで提供された第3のRF信号を受信するステップと、
選択信号に応じて前記第1及び第2のアンテナのうちの1つでアップコンバートされた信号を選択的に提供するために、前記第3のRF信号をアップコンバートするステップと
を有し、
前記選択信号は、前記第1のRF信号及び前記第2のRF信号のうちの少なくとも1つから得られた情報に応じて生成される方法。 - 請求項1に記載の方法であって、
前記第1のダウンコンバートされた信号と、前記第2のダウンコンバートされた信号と、前記第3のRF信号とが、前記信号コンバイナに同時に存在する方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/029,645 US7428403B2 (en) | 2001-12-21 | 2001-12-21 | Bi-directional communication apparatus |
PCT/US2002/039412 WO2003056831A1 (en) | 2001-12-21 | 2002-12-10 | Bi-directional communication apparatus |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005514835A JP2005514835A (ja) | 2005-05-19 |
JP2005514835A5 JP2005514835A5 (ja) | 2006-02-09 |
JP4377240B2 true JP4377240B2 (ja) | 2009-12-02 |
Family
ID=21850134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003557214A Expired - Lifetime JP4377240B2 (ja) | 2001-12-21 | 2002-12-10 | 双方向通信装置 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7428403B2 (ja) |
EP (1) | EP1461953B1 (ja) |
JP (1) | JP4377240B2 (ja) |
CN (1) | CN1281061C (ja) |
AU (1) | AU2002353094A1 (ja) |
BR (1) | BRPI0215282B1 (ja) |
DE (1) | DE60218532T2 (ja) |
WO (1) | WO2003056831A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7383018B2 (en) * | 2002-02-26 | 2008-06-03 | Thomas Licensing | Satellite television system ground station having wideband multi-channel LNB converter/transmitter architecture with coarse tuner in outdoor unit |
US8418210B2 (en) * | 2002-02-26 | 2013-04-09 | Thomson Licensing | Satellite television system ground station having wideband multi-channel LNB converter/transmitter architecture with controlled uplink transmission |
JP2009081508A (ja) * | 2007-09-25 | 2009-04-16 | Funai Electric Co Ltd | テレビジョン受信装置及びテレビジョン受信方法 |
US8584205B2 (en) * | 2011-03-28 | 2013-11-12 | The Boeing Company | Guard spot beams to deter satellite-based authentication system spoofing |
FR2984641B1 (fr) * | 2011-12-15 | 2014-06-13 | Eutelsat Sa | Installation d'emission/reception de signaux radioelectriques |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5861547U (ja) | 1981-10-19 | 1983-04-25 | デイエツクスアンテナ株式会社 | 衛星放送受信機 |
US5638422A (en) * | 1992-01-15 | 1997-06-10 | General Instrument Corp. | Distributed antenna personal communication networks system |
US5296862A (en) | 1992-11-18 | 1994-03-22 | Winegard Company | Method for automatically positioning a satellite dish antenna to satellites in a geosynchronous belt |
US6393281B1 (en) * | 1993-03-26 | 2002-05-21 | At&T Wireless Services Inc | Seamless hand-off for air-to-ground systems |
US5437052A (en) * | 1993-04-16 | 1995-07-25 | Conifer Corporation | MMDS over-the-air bi-directional TV/data transmission system and method therefor |
CA2185711A1 (en) * | 1994-03-17 | 1995-09-21 | Raymond R. Blasing | Sectorized multi-function cellular radio communication system |
US5805975A (en) | 1995-02-22 | 1998-09-08 | Green, Sr.; James A. | Satellite broadcast receiving and distribution system |
US6122482A (en) | 1995-02-22 | 2000-09-19 | Global Communications, Inc. | Satellite broadcast receiving and distribution system |
US5708963A (en) * | 1995-02-24 | 1998-01-13 | Scientific-Atlanta, Inc. | Method and apparatus for using satellites for reverse path communication in direct-to-home subscription information systems |
US5774788A (en) | 1995-03-17 | 1998-06-30 | Hughes Electronics | Remote ground terminal having an outdoor unit with a frequency-multiplier |
US5825327A (en) * | 1996-03-08 | 1998-10-20 | Snaptrack, Inc. | GPS receivers and garments containing GPS receivers and methods for using these GPS receivers |
JP3812599B2 (ja) | 1995-12-25 | 2006-08-23 | ソニー株式会社 | 受信システムおよび受信方法、並びに信号処理装置および方法 |
US5878034A (en) * | 1996-05-29 | 1999-03-02 | Lockheed Martin Corporation | Spacecraft TDMA communications system with synchronization by spread spectrum overlay channel |
FR2752502A1 (fr) | 1996-08-13 | 1998-02-20 | Philips Electronics Nv | Recepteur-decodeur de television |
CA2224035A1 (en) * | 1996-12-19 | 1998-06-19 | J. Leland Langston | Repeater node network system and method |
US6052558A (en) * | 1997-04-28 | 2000-04-18 | Motorola, Inc. | Networked repeater |
US5983071A (en) | 1997-07-22 | 1999-11-09 | Hughes Electronics Corporation | Video receiver with automatic satellite antenna orientation |
US6016120A (en) | 1998-12-17 | 2000-01-18 | Trimble Navigation Limited | Method and apparatus for automatically aiming an antenna to a distant location |
FR2797131B1 (fr) * | 1999-07-29 | 2004-02-20 | Kurtosis Ingenierie | Procede de distribution d'informations |
US6510317B1 (en) * | 1999-11-04 | 2003-01-21 | Xm Satellite Radio, Inc. | Satellite digital audio radio service tuner architecture for reception of satellite and terrestrial signals |
FI119711B (fi) * | 2000-03-13 | 2009-02-13 | Finoc Design Consulting Oy | Tilaajapäätelaite ja tiedonsiirtojärjestelmä |
US20020113686A1 (en) * | 2001-02-22 | 2002-08-22 | Ludwig Laboratories, Inc. | Transceiver and related method |
US7308229B2 (en) * | 2001-02-23 | 2007-12-11 | Xanadoo Company | System, apparatus and method for single-channel or multi-channel terrestrial communication |
US6512485B2 (en) * | 2001-03-12 | 2003-01-28 | Wildblue Communications, Inc. | Multi-band antenna for bundled broadband satellite internet access and DBS television service |
US20020157115A1 (en) * | 2001-04-24 | 2002-10-24 | Koninklijke Philips Electronics N.V. | Wireless communication point of deployment module for use in digital cable compliant devices |
-
2001
- 2001-12-21 US US10/029,645 patent/US7428403B2/en active Active
-
2002
- 2002-12-10 CN CN02825825.8A patent/CN1281061C/zh not_active Expired - Lifetime
- 2002-12-10 WO PCT/US2002/039412 patent/WO2003056831A1/en active IP Right Grant
- 2002-12-10 DE DE60218532T patent/DE60218532T2/de not_active Expired - Lifetime
- 2002-12-10 EP EP02790069A patent/EP1461953B1/en not_active Expired - Lifetime
- 2002-12-10 BR BRPI0215282A patent/BRPI0215282B1/pt active IP Right Grant
- 2002-12-10 AU AU2002353094A patent/AU2002353094A1/en not_active Abandoned
- 2002-12-10 JP JP2003557214A patent/JP4377240B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US7428403B2 (en) | 2008-09-23 |
BRPI0215282B1 (pt) | 2016-08-02 |
BR0215282A (pt) | 2004-12-14 |
EP1461953A1 (en) | 2004-09-29 |
DE60218532D1 (de) | 2007-04-12 |
JP2005514835A (ja) | 2005-05-19 |
AU2002353094A1 (en) | 2003-07-15 |
US20030119440A1 (en) | 2003-06-26 |
WO2003056831A1 (en) | 2003-07-10 |
DE60218532T2 (de) | 2007-11-08 |
EP1461953B1 (en) | 2007-02-28 |
CN1281061C (zh) | 2006-10-18 |
CN1606879A (zh) | 2005-04-13 |
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