Antenna

Details Antenna Antenna

2007-12-25

2007-12-25

Wimer, Michael C. (Department: 2821)

Communications: radio wave antennas

Antennas

With radio cabinet

C343S826000, C343S829000, C455S575700

Reexamination Certificate

active

11328888

ABSTRACT:
An antenna comprises a ground element, a first transmission element, a feed element, a second transmission element and a third transmission element. The first transmission element is electrically connected to the ground element, wherein the first transmission element comprises at least one coupling portion, a first side and a second side. The feed element corresponds to the coupling portion. The second transmission element corresponds to the first side and is electrically connected to the ground element. The third transmission element corresponds to the second side and is electrically connected to the ground element. When a first wireless signal is transmitted, the feed element couples to the first transmission element to transmit the first wireless signal. When a second wireless signal is transmitted, the feed element couples to the first transmission element, and the second and third transmission elements couple to the first transmission element to transmit the second wireless signal.

REFERENCES:
patent: 4800392 (1989-01-01), Garay et al.
patent: 4968984 (1990-11-01), Katoh et al.
patent: 6903690 (2005-06-01), Leclerc et al.
patent: 7053844 (2006-05-01), Gaucher et al.

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