Patent ID: 9444137
Filing Date: 2016-09-13
CPC Classification: H01Q

Claim Text:
1. A handheld device, comprising: a ground plane, comprising a short edge, a first long edge that are connected to form a first corner, and a second long edge connected to the short edge to form a second corner; a first antenna element, opposite to the short edge and connected to the second corner; a second antenna element, opposite to the first long edge and comprising a first radiation portion, wherein one end of the first radiation portion is electrically connected to the first long edge and connected to the first corner; and a third antenna element, opposite to the second long edge and comprising a second radiation portion, wherein one end of the second radiation portion is electrically connected to the second long edge and connected to the second corner, wherein the handheld device uses the second antenna element and the third antenna element to adjust an equivalent ground plane length of the first antenna element to be a sum of lengths of the first radiation portion, the second radiation portion and the short edge to adjust an operation bandwidth of the first antenna element.