Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1995-04-26
1996-05-28
Wimer, Michael C.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343802, H01Q 122, H01Q 2126
Patent
active
055216102
ABSTRACT:
An antenna system embodiment of the present invention comprises a curved dipole antenna stood off at its center by a printed circuit board assembly containing a pre-amplifier. The curved dipole antenna is implemented with a single-sided flexible circuit and is anchored at its four free ends to a sheet metal base for a groundplane. The printed circuit board assembly containing the predetermined amplifier is fixed perpendicular to the sheet metal base and has a tab that engages a slot in the center of the single-sided flexible circuit for electrical connection of a pair of orthogonal dipoles patterned on one side of the flexible circuit.
REFERENCES:
patent: 3523251 (1970-08-01), Halstead
patent: 3701157 (1972-10-01), Uhrig
patent: 3771162 (1973-11-01), Dienes
patent: 4633265 (1986-12-01), Wheeler
patent: 5173715 (1992-12-01), Rodal et al.
patent: 5198831 (1993-03-01), Burrell et al.
Trimble Navigation Limited
Wimer Michael C.
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