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GB9713722D0 - Geosynchronous communications satellite system with reconfigurable service area - Google Patents

Geosynchronous communications satellite system with reconfigurable service area

Info

Publication number
GB9713722D0
GB9713722D0 GB9713722A GB9713722A GB9713722D0 GB 9713722 D0 GB9713722 D0 GB 9713722D0 GB 9713722 A GB9713722 A GB 9713722A GB 9713722 A GB9713722 A GB 9713722A GB 9713722 D0 GB9713722 D0 GB 9713722D0
Authority
GB
Grant status
Grant
Patent type
Prior art keywords
geosynchronous
communications
service
satellite
area
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.)
Withdrawn
Application number
GB9713722A
Other versions
GB2315644A (en )
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.)
Motorola Solutions Inc
Original Assignee
Motorola Solutions Inc
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
Grant date

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system
    • H01Q3/24Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q25/00Aerials or aerial systems providing at least two radiating patterns
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system
    • H01Q3/26Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system
    • H01Q3/26Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/30Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
    • H01Q3/34Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
    • H01Q3/40Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means with phasing matrix
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/204Multiple access
    • H04B7/2041Spot beam multiple access
GB9713722A 1996-07-18 1997-07-01 Geosynchronous communications satellite system with reconfigurable service area Withdrawn GB9713722D0 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US68348096 true 1996-07-18 1996-07-18

Publications (2)

Publication Number Publication Date
GB9713722D0 true GB9713722D0 (en) 1997-09-03
GB2315644A true GB2315644A (en) 1998-02-04

Family

ID=24744235

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9713722A Withdrawn GB9713722D0 (en) 1996-07-18 1997-07-01 Geosynchronous communications satellite system with reconfigurable service area

Country Status (4)

Country Link
JP (1) JPH1079696A (en)
FR (1) FR2751494A1 (en)
GB (1) GB9713722D0 (en)
WO (1) WO1998004017A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10256974A (en) * 1997-03-14 1998-09-25 Mitsubishi Electric Corp Satellite communication system for mobile object
US6011512A (en) * 1998-02-25 2000-01-04 Space Systems/Loral, Inc. Thinned multiple beam phased array antenna
US6377558B1 (en) 1998-04-06 2002-04-23 Ericsson Inc. Multi-signal transmit array with low intermodulation
US6304225B1 (en) 1998-08-21 2001-10-16 Raytheon Company Lens system for antenna system
US6160519A (en) * 1998-08-21 2000-12-12 Raytheon Company Two-dimensionally steered antenna system
US6192217B1 (en) * 1999-07-01 2001-02-20 Assuresat, Inc. Universal replacement communications satellite
US6275184B1 (en) 1999-11-30 2001-08-14 Raytheon Company Multi-level system and method for steering an antenna
EP1879047A3 (en) * 2000-08-16 2011-03-30 Valeo Radar Systems, Inc. Automotive radar systems and techniques
GB0822492D0 (en) * 2008-12-10 2009-01-14 Astrium Ltd Content broadcasting
CN104062930B (en) * 2013-11-29 2017-05-10 中国空间技术研究院 A liquid crystal touch panel switch matrix control card and universal application of the method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5457465A (en) * 1987-09-01 1995-10-10 Ball Corporation Conformal switched beam array antenna
US5093668A (en) * 1989-06-29 1992-03-03 Ball Corporation Multiple-beam array antenna
FR2695775B1 (en) * 1992-09-11 1994-11-10 France Telecom Reconfiguration method of antenna beam coverage in a satellite network.
US5434575A (en) * 1994-01-28 1995-07-18 California Microwave, Inc. Phased array antenna system using polarization phase shifting
GB2288913B (en) * 1994-04-18 1999-02-24 Int Maritime Satellite Organiz Satellite payload apparatus with beamformer
GB2321372B (en) * 1994-07-22 1998-11-25 Int Mobile Satellite Org Satellite communication method and apparatus
EP0786826A3 (en) * 1996-01-29 1999-06-02 Hughes Electronics Corporation Intermodulation scattering communications apparatus

Also Published As

Publication number Publication date Type
WO1998004017A1 (en) 1998-01-29 application
JPH1079696A (en) 1998-03-24 application
GB2315644A (en) 1998-02-04 application
FR2751494A1 (en) 1998-01-23 application

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)