SHAPED GROUND PLANE FOR RADIO APPARATUS
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United States of America Patent
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app pub date -
Mar 10, 2011
filing date -
Dec 30, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An antenna structure for a wireless device comprising a ground plane and an antenna element, wherein the ground plane has a slot with at least a short end, an open end and a length substantially close to a quarter wavelength. The feeding and ground connections of the antenna structure are placed at the two different sides of the slot and the distance of at least one of them to the short end of the slot is equal or smaller than an eighth of the wavelength. An antenna structure for a wireless device comprising a ground plane and an antenna element, wherein the ground plane has a slot with at least two short ends, and a length substantially close to half wavelength. The feeding and ground connections of the antenna structure are placed at the two different sides of said slot and the distance of at least one of them to a short end of the slot is equal or smaller than a quarter of the wavelength.
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