Slit loaded tapered slot patch antenna

Details Slit loaded tapered slot patch antenna Slit loaded tapered slot patch antenna

2008-05-13

2008-05-13

Le, Hoanganh (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S767000

Reexamination Certificate

active

07372409

ABSTRACT:
Patch antenna (100) for a wireless communications device has a reduced size. The patch antenna is operable on a fundamental frequency f0and a first harmonic f1of the fundamental frequency, with substantially co-located peak gain directions on both frequencies. The patch antenna (100) is formed from a conductive ground plane (102) of generally rectangular shape. A first aperture (108) provided in the conductive ground plane member (102) defines a bow-tie shape. Additional elongated apertures (118, 120) are provided for reactive loading. The elongated apertures (118, 120) disrupt the phasing of surface currents within the conductive ground plane member (102) around the periphery of the first aperture (108).

REFERENCES:
patent: 6424309 (2002-07-01), Johnston et al.
patent: 6429819 (2002-08-01), Bishop et al.
patent: 2004/0066345 (2004-04-01), Schadler
patent: 2007/0046554 (2007-03-01), Fukuchi
patent: 2007/0080878 (2007-04-01), McLean
Chen, Zhi Ning, “Center-Fed Microstrip Patch Antenna”, IEEE Transactions on Antennas and Propagation, vol. 51, No. 3, Mar. 2003.

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