Multi-band antenna

Details Multi-band antenna Multi-band antenna

2007-12-26

2009-10-13

Chang, Daniel D (Department: 2819)

Communications: radio wave antennas

Antennas

Microstrip

C343S702000, C343S846000

Reexamination Certificate

active

07602341

ABSTRACT:
A multi-band antenna includes a ground, an asymmetric T-shaped radiation element, an inverted L-shaped conduction element, and a parasitic element. The asymmetric T-shaped radiation element has a first radiation part, a second radiation part, and a first conduction part. The length of the second radiation part is shorter than that of the first radiation part. The inverted L-shaped conduction element has a second conduction part and a third conduction part. The second conduction part is connected to the first conduction part, and arranged between the second radiation part and the ground. The parasitic element has a fourth conduction part and a third radiation part. The fourth conduction part is connected approximately perpendicular to the ground. The third radiation part is arranged between the first radiation part and the ground.

REFERENCES:
patent: 7446717 (2008-11-01), Hung et al.

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