GB1553916A - Modulation of scanning radio beams - Google Patents

Modulation of scanning radio beams

Info

Publication number
GB1553916A
GB1553916A GB2386776A GB2386776A GB1553916A GB 1553916 A GB1553916 A GB 1553916A GB 2386776 A GB2386776 A GB 2386776A GB 2386776 A GB2386776 A GB 2386776A GB 1553916 A GB1553916 A GB 1553916A
Authority
GB
United Kingdom
Prior art keywords
modulation
radio beams
scanning radio
scanning
beams
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
Application number
GB2386776A
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.)
Commonwealth Scientific and Industrial Research Organization CSIRO
Original Assignee
Commonwealth Scientific and Industrial Research Organization CSIRO
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 Commonwealth Scientific and Industrial Research Organization CSIRO filed Critical Commonwealth Scientific and Industrial Research Organization CSIRO
Publication of GB1553916A publication Critical patent/GB1553916A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
    • H01Q3/245—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching in the focal plane of a focussing device
GB2386776A 1975-06-09 1976-06-09 Modulation of scanning radio beams Expired GB1553916A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPC191975 1975-06-09

Publications (1)

Publication Number Publication Date
GB1553916A true GB1553916A (en) 1979-10-10

Family

ID=3766235

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2386776A Expired GB1553916A (en) 1975-06-09 1976-06-09 Modulation of scanning radio beams

Country Status (1)

Country Link
GB (1) GB1553916A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986000760A1 (en) * 1984-07-09 1986-01-30 Selenia, Industrie Elettroniche Associate Multibeam antenna, which can provide different beam positions according to the angular sector of interest
US4728956A (en) * 1982-12-16 1988-03-01 The Marconi Company Limited Receivers and transmitters
WO1991001620A2 (en) * 1989-06-02 1991-02-21 Scientific Atlanta, Inc. Multi-element antenna system and array signal processing method
US5257031A (en) * 1984-07-09 1993-10-26 Selenia Industrie Elettroniche Associate S.P.A. Multibeam antenna which can provide different beam positions according to the angular sector of interest
WO2007090785A1 (en) * 2006-02-06 2007-08-16 Siemens Aktiengesellschaft Electronically controlled antenna and associated method for application in a radio-based system
WO2008087392A1 (en) * 2007-01-19 2008-07-24 Plasma Antennas Limited A selectable beam antenna
EP2097949A1 (en) * 2006-11-30 2009-09-09 Telefonaktiebolaget LM Ericsson (PUBL) A microwave sparse array antenna arrangement

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4728956A (en) * 1982-12-16 1988-03-01 The Marconi Company Limited Receivers and transmitters
WO1986000760A1 (en) * 1984-07-09 1986-01-30 Selenia, Industrie Elettroniche Associate Multibeam antenna, which can provide different beam positions according to the angular sector of interest
US5257031A (en) * 1984-07-09 1993-10-26 Selenia Industrie Elettroniche Associate S.P.A. Multibeam antenna which can provide different beam positions according to the angular sector of interest
WO1991001620A2 (en) * 1989-06-02 1991-02-21 Scientific Atlanta, Inc. Multi-element antenna system and array signal processing method
WO1991001620A3 (en) * 1989-06-02 1991-05-16 Scientific Atlanta Multi-element antenna system and array signal processing method
WO2007090785A1 (en) * 2006-02-06 2007-08-16 Siemens Aktiengesellschaft Electronically controlled antenna and associated method for application in a radio-based system
EP2097949A1 (en) * 2006-11-30 2009-09-09 Telefonaktiebolaget LM Ericsson (PUBL) A microwave sparse array antenna arrangement
EP2097949A4 (en) * 2006-11-30 2011-12-07 Ericsson Telefon Ab L M A microwave sparse array antenna arrangement
WO2008087392A1 (en) * 2007-01-19 2008-07-24 Plasma Antennas Limited A selectable beam antenna
US8159394B2 (en) 2007-01-19 2012-04-17 Plasma Antennas Limited Selectable beam antenna

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee