Compact antenna element and array, and a method of operating same
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United States of America Patent
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Jan 25, 2005
Grant Date -
N/A
app pub date -
Jan 27, 2003
filing date -
Feb 28, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An antenna element includes a section which is electrically non-conductive, a plurality of electrically conductive patches on the section which each face in a predetermined direction, a feed arrangement electrically coupled to the patches, and an annular strip of conductive material supported on the section and extending around the patches free of electrical contact therewith. A plurality of these antenna elements can be used to form an array, where one of the antenna elements has several other antenna elements provided at spaced locations around it. Each antenna element can include, on a side of the section opposite from the patches, an electrically-conductive portion with a cavity which faces the section.
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