Communications: radio wave antennas – Antennas – Microstrip
Reexamination Certificate
2007-03-27
2008-11-11
Chen, Shih-Chao (Department: 2821)
Communications: radio wave antennas
Antennas
Microstrip
C343S846000
Reexamination Certificate
active
07450072
ABSTRACT:
An embodiment of the present invention is a modified inverted-F antenna for wireless communication. The antenna circuit includes a dielectric substrate having a first surface, a radiating stub on the first surface of the dielectric substrate, and a first ground plate on the first surface of the dielectric substrate to couple to ground. The first ground plate includes one or more grounded capacitive stubs spaced apart from the radiating stub. The one or more grounded capacitive stubs tune performance parameters for the antenna circuit.
REFERENCES:
patent: 6268831 (2001-07-01), Sanford
patent: 7183980 (2007-02-01), Chang et al.
patent: 7265718 (2007-09-01), Tsai
Han Kyung Sup
Kim Je Woo
Rakytyanskyy Volodymyr
Sulima Oleksandr
Chen Shih-Chao
Franks Ross L.
QUALCOMM Incorporated
Rouse Thomas
Vu Kenneth K.
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