Abstract: A multiple frequency band antenna is disclosed. The multiple frequency band antenna includes a first radiating element, a second radiating element, a third radiating element, a feeding point and ground. The second radiating element and the third radiating element are connected to the first radiating element and have a path length relatively shorter than that of the first radiating element. The feeding point is connected to the second radiating element. The ground is at least partially connected to the third radiating element and/or the first radiating element. The first radiating element, the second radiating element and the third radiating employ the common feeding point and the ground so that the first radiating element has a first frequency operating band and the second radiating element and the third radiating element have a plurality of second frequency operating bands.

Abstract: The purpose of the present invention is to provide a mobile telecommunication apparatus having a hidden screen. The apparatus includes a housing body having a containing space and a side opening; a transmitting device disposed in the housing body; a controlling switch disposed on the housing body for controlling the transmitting device; and a screen connected to the transmitting device, wherein the screen is transmitted from the containing space to the side opening for being shown on the housing body, and transmitted from the side opening to the containing space for being hidden in the housing body.