Multiple frequency band antenna

Details Multiple frequency band antenna Multiple frequency band antenna

2007-07-26

2009-06-02

Dinh, Trinh V (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S702000

Reexamination Certificate

active

07541984

ABSTRACT:
A multiple frequency band antenna is disclosed. The multiple frequency band antenna includes a first radiating element, a second radiating element, a third radiating element, a feeding point and ground. The second radiating element and the third radiating element are connected to the first radiating element and have a path length relatively shorter than that of the first radiating element. The feeding point is connected to the second radiating element. The ground is at least partially connected to the third radiating element and/or the first radiating element. The first radiating element, the second radiating element and the third radiating employ the common feeding point and the ground so that the first radiating element has a first frequency operating band and the second radiating element and the third radiating element have a plurality of second frequency operating bands.

REFERENCES:
patent: 7057560 (2006-06-01), Erkocevic
patent: 7119747 (2006-10-01), Lin et al.
patent: 7358902 (2008-04-01), Erkocevic
patent: 7375685 (2008-05-01), Nalbandian
patent: 2004/0196187 (2004-10-01), Yeh

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