Dual-band microstrip antenna

Details Dual-band microstrip antenna Dual-band microstrip antenna

2006-05-16

2006-05-16

Wimer, Michael C. (Department: 2828)

Communications: radio wave antennas

Antennas

Microstrip

C343S702000

Reexamination Certificate

active

07046196

ABSTRACT:
A dual-band microstrip antenna has a ground plate and also has a central patch positioned between a pair of side patches. The antenna has a single signal feedline, connected to the central patch, and the side patches are shorted to the ground element. Conductive surfaces of the ground plate and patches that carry surface current from signal radiation are contoured such that only portions of conductive surfaces that carry more than a negligible amount of the surface current are retained. The antenna has a reduced weight and improved bandwidth over conventional antennas that operate in the 925 MHz and 1800 MHz ranges.

REFERENCES:
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patent: WO 98/44588 (1998-10-01), None
patent: WO99/28990 (1999-06-01), None
Cho et al., Improved Analysis Method for Broadband Rectangular Microstrip Antenna Geometry Using E-Plane Gap Coupling, Electronics Letters Oct. 20, 1993, vol. 29, No. 22, pp. 1907-1909.

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