Patent ID: 8253633

Claim:
A cellular telephone handset, comprising: a device housing; a display; a keyboard; a speaker; a printed circuit board, the printed circuit board comprising: a ground plane layer; a feeding point; a communication circuitry energized by means of a battery; wherein the communication circuitry is mounted on the printed circuit board; wherein the communication circuitry is coupled to the feeding point and to the ground plane layer; an antenna including an antenna element; wherein the antenna element operates in cooperation with the ground plane layer; the antenna element comprising: a common conductor including a feeding port; a first longer radiating arm connected to the common conductor; a second shorter radiating arm connected to the common conductor; wherein the feeding port is coupled to the feeding point; wherein an orthogonal projection of a footprint of the antenna element on a plane of the printed circuit board overlaps the ground plane layer in less than 50% of an area of said footprint; wherein the display, the speaker, the printed circuit board, the communication circuitry, and the antenna are arranged inside the device housing; and wherein the antenna and the cellular telephone handset operate at multiple frequency bands.