JP4377240B2 - 双方向通信装置 - Google Patents

双方向通信装置 Download PDF

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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
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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
Application number
JP2003557214A
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English (en)
Japanese (ja)
Other versions
JP2005514835A5 (https=
JP2005514835A (ja
Inventor
ラマスワミー，クマール
ホール，エドワード，アレン
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.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
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Publication date
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of JP2005514835A publication Critical patent/JP2005514835A/ja
Publication of JP2005514835A5 publication Critical patent/JP2005514835A5/ja
Application granted granted Critical
Publication of JP4377240B2 publication Critical patent/JP4377240B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Radio Relay Systems (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Transceivers (AREA)
JP2003557214A 2001-12-21 2002-12-10 双方向通信装置 Expired - Lifetime JP4377240B2 (ja)

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 (https=) 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 (https=)
EP (1) EP1461953B1 (https=)
JP (1) JP4377240B2 (https=)
CN (1) CN1281061C (https=)
AU (1) AU2002353094A1 (https=)
BR (1) BRPI0215282B1 (https=)
DE (1) DE60218532T2 (https=)
WO (1) WO2003056831A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
EP0998156A3 (en) * 1994-03-17 2000-05-24 Endlink, Inc. 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

Also Published As

Publication number Publication date
US20030119440A1 (en) 2003-06-26
WO2003056831A1 (en) 2003-07-10
AU2002353094A1 (en) 2003-07-15
BRPI0215282B1 (pt) 2016-08-02
EP1461953A1 (en) 2004-09-29
DE60218532T2 (de) 2007-11-08
CN1606879A (zh) 2005-04-13
EP1461953B1 (en) 2007-02-28
DE60218532D1 (de) 2007-04-12
US7428403B2 (en) 2008-09-23
CN1281061C (zh) 2006-10-18
BR0215282A (pt) 2004-12-14
JP2005514835A (ja) 2005-05-19

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