Antenna with stripline splitter circuit

Details Antenna with stripline splitter circuit Antenna with stripline splitter circuit

2007-12-18

2009-11-03

Barnie, Rexford N (Department: 2819)

Communications: radio wave antennas

Antennas

With coupling network or impedance in the leadin

C343S7000MS

Reexamination Certificate

active

07612732

ABSTRACT:
A flat antenna includes a 2×2 array of circular waveguide antenna elements that receive power from a splitting circuit including first to fourth striplines. The second stripline extends in two directions from one end of the first stripline. The third stripline extends in two directions from one end of the second stripline. The fourth stripline extends in two directions from the other end of the second stripline. Four feeder electrodes extend in mutually identical directions from the ends of the third and fourth striplines into the waveguides. The third and fourth striplines are bowed in way that shifts the second stripline closer to the center of the array. This arrangement permits a compact spacing of the waveguide antenna elements.

REFERENCES:
patent: 3747114 (1973-07-01), Shyhalla
patent: 2001/0028325 (2001-10-01), Pretorius et al.
patent: 2004/0004576 (2004-01-01), Anderson
patent: 2004/0040576 (2004-03-01), Sun et al.
patent: 2008/0316097 (2008-12-01), Mckinley et al.
patent: 07-297630 (1995-11-01), None
patent: 2004-200833 (2004-07-01), None
patent: WO 2006/132032 (2006-12-01), None
Seiji Nishi et al. “Development of Millimeter-Wave Video Transmission System—Development of Antenna,” Proc. 2001 Asia-Pacific Microwave Conf., vol. 2, pp. 509-512, Dec. 2001.

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