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GB2034525B - Microwave transmission systems - Google Patents

Microwave transmission systems

Info

Publication number
GB2034525B
GB2034525B GB7844928A GB7844928A GB2034525B GB 2034525 B GB2034525 B GB 2034525B GB 7844928 A GB7844928 A GB 7844928A GB 7844928 A GB7844928 A GB 7844928A GB 2034525 B GB2034525 B GB 2034525B
Authority
GB
United Kingdom
Prior art keywords
transmission systems
microwave transmission
microwave
systems
transmission
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
GB7844928A
Other versions
GB2034525A (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.)
BAE Systems Electronics Ltd
Original Assignee
Marconi Co Ltd
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 Marconi Co Ltd filed Critical Marconi Co Ltd
Priority to GB7844928A priority Critical patent/GB2034525B/en
Publication of GB2034525A publication Critical patent/GB2034525A/en
Application granted granted Critical
Publication of GB2034525B publication Critical patent/GB2034525B/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
    • H01Q3/30—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 varying the relative phase between the radiating elements of an array
    • H01Q3/34—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 varying the relative phase between the radiating elements of an array by electrical means
    • H01Q3/36—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 varying the relative phase between the radiating elements of an array by electrical means with variable phase-shifters
GB7844928A 1978-11-17 1978-11-17 Microwave transmission systems Expired GB2034525B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7844928A GB2034525B (en) 1978-11-17 1978-11-17 Microwave transmission systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7844928A GB2034525B (en) 1978-11-17 1978-11-17 Microwave transmission systems

Publications (2)

Publication Number Publication Date
GB2034525A GB2034525A (en) 1980-06-04
GB2034525B true GB2034525B (en) 1983-03-09

Family

ID=10501123

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7844928A Expired GB2034525B (en) 1978-11-17 1978-11-17 Microwave transmission systems

Country Status (1)

Country Link
GB (1) GB2034525B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2541518A1 (en) * 1982-10-26 1984-08-24 Thomson Csf DEVICE FOR SUPPLYING A NETWORK ANTENNA WITH A SCANNING BEAM
GB2130801B (en) * 1982-11-22 1986-03-05 Marconi Co Ltd Radar transmitters
CA1238713A (en) * 1984-06-04 1988-06-28 Alliedsignal Inc. Antenna feed network
US4968982A (en) * 1989-07-10 1990-11-06 Hazeltine Corporation Aircraft landing system having simplified out-of-coverage indication (OCI)
FR2663469B1 (en) * 1990-06-19 1992-09-11 Thomson Csf DEVICE FOR SUPPLYING RADIANT ELEMENTS TO A NETWORK ANTENNA, AND ITS APPLICATION TO AN ANTENNA OF AN MLS TYPE LANDING AID SYSTEM.
GB9110040D0 (en) * 1991-05-09 1991-07-03 Siemens Plessey Electronic Improvements in or relating to aircraft landing systems
GB2317056A (en) * 1996-09-04 1998-03-11 Marconi Gec Ltd Signal processor system for a phased array antenna
DE19938862C1 (en) 1999-08-17 2001-03-15 Kathrein Werke Kg High frequency phase shifter assembly
DE10104564C1 (en) 2001-02-01 2002-09-19 Kathrein Werke Kg Control device for setting a different drop angle, in particular of mobile radio antennas belonging to a base station, and an associated antenna and method for changing a drop angle
GB0307558D0 (en) 2003-04-02 2003-05-07 Qinetiq Ltd Phased array antenna system with variable electrical tilt
EP1642357B1 (en) 2003-05-17 2011-11-30 Quintel Technology Limited Phased array antenna system with adjustable electrical tilt
GB0622411D0 (en) * 2006-11-10 2006-12-20 Quintel Technology Ltd Phased array antenna system with electrical tilt control
DE102007055534B4 (en) * 2007-11-21 2018-08-09 Imst Gmbh Compact directional antenna arrangement with multiple use of radiator elements
US7868828B2 (en) * 2007-12-11 2011-01-11 Delphi Technologies, Inc. Partially overlapped sub-array antenna
US9190739B2 (en) 2013-06-24 2015-11-17 Delphi Technologies, Inc. Antenna with fifty percent overlapped subarrays

Also Published As

Publication number Publication date
GB2034525A (en) 1980-06-04

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Legal Events

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