Electronic device and antenna structure thereof

Details Electronic device and antenna structure thereof Electronic device and antenna structure thereof

2007-05-29

2007-05-29

Nguyen, Hoang V. (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S816000

Reexamination Certificate

active

11273867

ABSTRACT:
An antenna structure comprises a substrate, a reflective element, a first radiation unit, a second radiation unit, a first impedance matching unit, a second impedance matching unit, a feed point, a first conductive line and a second conductive line. The substrate comprises a first surface and a second surface. The reflective element is disposed on the second surface. The first and the second radiation units are disposed on both sides of the reflective element. The first impedance matching unit is disposed on the first surface corresponding to the first radiation unit. The second impedance matching unit is disposed on the first surface corresponding to the second radiation unit. The feed point is coupled between the first impedance matching unit and the second impedance matching unit. The first conductive line is coupled to the feed point. The second conductive line is coupled to the reflective element.

REFERENCES:
patent: 4203116 (1980-05-01), Lewin
patent: 6339404 (2002-01-01), Johnson et al.
patent: 6741219 (2004-05-01), Shor
patent: 6747605 (2004-06-01), Lebaric et al.

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