Beam-forming antenna with amplitude-controlled antenna elements
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United States of America Patent
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Mar 10, 2015
Grant Date -
Dec 5, 2013
app pub date -
May 31, 2013
filing date -
Aug 11, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A beam-forming antenna for transmission and/or reception of an electromagnetic signal having a given wavelength in a surrounding medium includes a transmission line electromagnetically coupled to an array of individually controllable antenna elements, each of which is oscillated by the signal with a controllable amplitude. The oscillation amplitude of each of the individual antenna elements is controlled by a switch. The antenna elements are arranged in various shapes such as a parabolic arc, a circular arc, a cylindrical surface or a conic surface. The antenna elements have various spacing such as uniform, parabolic, circular, or raised cosine.
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