ANTENNA SYSTEM FOR WIRELESS DIGITAL DEVICES
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United States of America Patent
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Issued Date -
Jul 16, 2009
app pub date -
Oct 22, 2008
filing date -
Oct 23, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An antenna system for a wireless digital device is provided. The antenna system includes an array of N antennas (N: integer) housed within a wireless digital device, each of the n antennas covering an angular sector in space approximately equal to 2*π/N radians in azimuth. The antenna system includes a mounting structure for arranging the antennas in a wireless digital device to provide a pseudo-omnidirectional electromagnetic spatial coverage such that the total azimuthal coverage toward the exterior of the wireless digital device is substantially spherical except for the direction of a user using the wireless digital device, and the combined antenna radiation patterns exhibit a strong null in the direction of the user.
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