Communications: radio wave antennas – Antennas – With radio cabinet
Patent
1998-07-28
2000-08-22
Ho, Tan
Communications: radio wave antennas
Antennas
With radio cabinet
343700MS, 343795, H01Q 124
Patent
active
061079677
ABSTRACT:
A small antenna comprising an unequal current density center-fed dipole employing a conductive trace and a ground plane counterpoise positioned substantially perpendicular to each other. According to one embodiment, a conductive trace is etched onto a dielectric substrate to form a printed circuit. According to a further embodiment, the conductive trace has two sets of orthogonal components; one set of components captures the desired electric field polarization and the second set of components cancels out the undesired cross polarization. A portion of a signal received on the first set of components adds together to produce a desired resultant vector and a portion of the signal received on the second set of components adds together to cancel out the undesired vector.
REFERENCES:
patent: 5646633 (1997-07-01), Dahlberg
patent: 5844525 (1998-12-01), Hayes et al.
patent: 5892483 (1999-04-01), Hayes et al.
patent: 5936587 (1999-08-01), Gudilev et al.
patent: 5949383 (1999-09-01), Hayes et al.
Ho Tan
Wireless Access Inc.
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