Planar antenna

Details Planar antenna Planar antenna

2007-06-14

2008-12-16

Phan, Tho G (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S846000

Reexamination Certificate

active

07466270

ABSTRACT:
A plate member is adapted to be electrically grounded. A first radiating electrode opposes the plate member with a gap and extending parallel to the plate member. A second radiating electrode opposes the plate member with a gap and extending parallel to the plate member. A feeding pin is connected to a center part of the first radiating electrode and a center part of the second radiating electrode. The feeding pin is adapted to feed power to the first radiating electrode and the second radiating electrode. A pair of first short-circuiting pins are electrically connecting the plate member and an outer edge of the first radiating electrode at symmetrical positions relative to the feeding pin. A pair of second short-circuiting pins are electrically connecting the plate member and both ends of the second radiating electrode. The first radiating electrode is formed with blank portions which are located at such positions that are on hypothetical straight lines connecting the feeding pin and the short pins. The first radiating electrode and the second radiating electrode are flush with each other.

REFERENCES:
patent: 4069483 (1978-01-01), Kaloi
patent: 4386357 (1983-05-01), Patton
patent: 4827271 (1989-05-01), Berneking et al.
patent: 6806831 (2004-10-01), Johansson et al.
patent: 2007/0171132 (2007-07-01), Utagawa et al.
patent: 1 246 299 (2002-10-01), None
patent: 1 814 193 (2007-08-01), None
patent: 5-136625 (1993-06-01), None
patent: 2002-359515 (2002-12-01), None
patent: WO 01/18910 (2001-03-01), None

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