Coupled multi-band antenna

Details Coupled multi-band antenna Coupled multi-band antenna

2007-06-26

2007-06-26

Vo, Tuyet Thi (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S702000, C343S906000, C343S846000

Reexamination Certificate

active

11598461

ABSTRACT:
A coupled multi-band antenna with the broadband function includes a coupled radiator, a feed wire, a first radiating extension, and a second radiating extension. The coupled radiator has a microwave substrate, a coupled metal element, a first radiating element, a second radiating element, and a connecting portion. The coupled metal element is connected to the positive terminal of the feed wire, and the second radiating element is connected to the negative terminal of the feed wire for the purposes of transmitting electrical signals and generating the multi-band operating modes of the antenna. By connecting the first and second radiating extensions to the coupled radiator, the surface current distribution and impedance variation of the antenna can be effectively adjusted to provide multi-band functions. The antenna utilizes the simple structure of coupled radiator to achieve multi-band operations and uses the radiating extensions to provide sufficient bandwidths.

REFERENCES:
patent: 6864842 (2005-03-01), Hung et al.
patent: 6992627 (2006-01-01), Honda et al.
patent: 2005/0001766 (2005-01-01), Tasi

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