Internal diversity antenna

Details Internal diversity antenna Internal diversity antenna

2005-12-27

2005-12-27

Ho, Tan (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S702000

Reexamination Certificate

active

06980155

ABSTRACT:
A diversity antenna is provided inside a mobile communication terminal. A common ground element formed as a conductor having predetermined length grounds the antenna. A first radiating element radiates a vertically polarized wave of a predetermined band. One end of the first radiating element is vertically connected to one end of the commnon ground element and the other end of the first radiating element is open. A second radiating element radiates a horizontally polarized wave of the predetermined band. One end of the second radiating element is vertically connected to the other end of the common ground element and the other end of the second radiating element is open. First and second feeding elements feed electric current to the radiating elements.

REFERENCES:
patent: 6061024 (2000-05-01), McGirr et al.
patent: 6339402 (2002-01-01), McKivergan
patent: 6456243 (2002-09-01), Poilasne et al.
patent: 6570538 (2003-05-01), Vaisanen et al.
patent: 6675461 (2004-01-01), Rowson et al.
patent: 6795028 (2004-09-01), Stutzman et al.

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