Multifrequency inverted-F antenna

Details Multifrequency inverted-F antenna Multifrequency inverted-F antenna

2005-03-01

2005-03-01

Wong, Don (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S702000

Reexamination Certificate

active

06861986

ABSTRACT:
A multifrequency inverted-F antenna includes a radiating element having opposite first and second ends, a grounding element spaced apart from the radiating element, and an interconnecting element extending between the radiating and grounding elements and including first, second, and third parts. The first part is connected to the radiating element at a feeding point between the first and second ends. The second part is offset from the first part in a longitudinal direction, and is connected to the grounding element. The third part interconnects the first and second parts. A feeding line is connected to the interconnecting element.

REFERENCES:
patent: 5181044 (1993-01-01), Matsumoto et al.
patent: 6173445 (2001-01-01), Robins et al.
patent: 6343208 (2002-01-01), Ying
patent: 6404394 (2002-06-01), Hill
patent: 6426725 (2002-07-01), Hiroshima et al.
patent: 6600448 (2003-07-01), Ikegaya et al.
patent: 6662028 (2003-12-01), Hayes et al.

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