Dual band spiral-shaped antenna

Details Dual band spiral-shaped antenna Dual band spiral-shaped antenna

2005-02-15

2005-02-15

Wong, Don (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S702000, C343S895000

Reexamination Certificate

active

06856286

ABSTRACT:
A planar antenna comprising a spiral conductive surface comprising an inner spiral segment and an outer spiral segment. A shorting leg for connection to a ground plane and a feed leg responsive to the antenna signal (in the transmit and the receive modes) extend downwardly from the plane of the spiral segments. Performance characteristics of the antenna are responsive to the configuration and spacing of the spiral segments and the distance between the antenna and the ground plane.

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