GB9026942D0 - A directional antenna arrangement - Google Patents

A directional antenna arrangement

Info

Publication number
GB9026942D0
GB9026942D0 GBGB9026942.4A GB9026942A GB9026942D0 GB 9026942 D0 GB9026942 D0 GB 9026942D0 GB 9026942 A GB9026942 A GB 9026942A GB 9026942 D0 GB9026942 D0 GB 9026942D0
Authority
GB
United Kingdom
Prior art keywords
directional antenna
antenna arrangement
arrangement
directional
antenna
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.)
Ceased
Application number
GBGB9026942.4A
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of GB9026942D0 publication Critical patent/GB9026942D0/en
Ceased 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
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • H01Q3/2611—Means for null steering; Adaptive interference nulling
    • H01Q3/2629—Combination of a main antenna unit with an auxiliary antenna unit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
GBGB9026942.4A 1989-12-14 1990-12-12 A directional antenna arrangement Ceased GB9026942D0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3941199A DE3941199B3 (en) 1989-12-14 1989-12-14 Directional antenna array

Publications (1)

Publication Number Publication Date
GB9026942D0 true GB9026942D0 (en) 2011-11-09

Family

ID=44993291

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9023790.0A Ceased GB9023790D0 (en) 1989-12-14 1990-11-01 A directional antenna arrangement
GBGB9026942.4A Ceased GB9026942D0 (en) 1989-12-14 1990-12-12 A directional antenna arrangement

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9023790.0A Ceased GB9023790D0 (en) 1989-12-14 1990-11-01 A directional antenna arrangement

Country Status (3)

Country Link
DE (1) DE3941199B3 (en)
GB (2) GB9023790D0 (en)
IT (1) IT2233190A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1273619B (en) * 1966-05-28 1968-07-25 Telefunken Patent Antenna system for a secondary radar system
US4320535A (en) * 1979-10-03 1982-03-16 Bell Telephone Laboratories, Incorporated Adaptive interference suppression arrangement
DE3227259C2 (en) * 1982-07-21 1986-04-24 Siemens AG, 1000 Berlin und 8000 München Directional radio station

Also Published As

Publication number Publication date
IT2233190A1 (en) 1991-06-15
GB9023790D0 (en) 2011-11-09
IT9022331A0 (en) 1990-12-11
DE3941199B3 (en) 2013-12-05

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)