Dual-band antenna

Details Dual-band antenna Dual-band antenna

2008-12-24

2011-12-20

Choi, Jacob Y (Department: 2821)

Communications: radio wave antennas

Antennas

With coupling network or impedance in the leadin

C343S702000, C343S914000, C343S895000

Reexamination Certificate

active

08081136

ABSTRACT:
The dual-band antenna is provided. The dual-band antenna includes an impedance matching control element, a first connection part, a first radiation element, a second radiation element, and a ground element. The first radiation element operates in a first frequency band, is connected to the impedance matching control element, and extends along a first direction having an obtuse angle with respect to a longitudinal direction of the first connection part. The second radiation element operates in a second frequency band. The ground element is electrically connected to the impedance matching control element and the second radiation element.

REFERENCES:
patent: 5448252 (1995-09-01), Ali et al.
patent: 6300909 (2001-10-01), Tsubaki et al.
patent: 6323811 (2001-11-01), Tsubaki et al.
patent: 6946994 (2005-09-01), Imaizumi et al.
patent: 6958730 (2005-10-01), Nagumo et al.

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