Patent ID: 8884824

Claim:
A planar inverted-F antenna comprising: a ground plane; a radiating element spaced from the ground plane and extending substantially parallel thereto, the radiating element having substantially a U-shape including a first part, a second part, and a third part, the first part extending from a first corner of the radiating element to a second corner of the radiating element, the second part extending from the second corner to a free end of the radiating element, the third part extending from the first corner to the other free end of the radiating element; first and second shorting elements located at the first corner of the radiating element or adjacent area thereof, the first and second shorting elements electrically connecting the radiating element to the ground plane; a first feed port electrically connected to the first part of the radiating element, the first feed port being spaced from the first shorting element; and a second feed port electrically connected to the third part of the radiating element, the second feed port being spaced from the second shorting element.