Patent ID: 8836604

Claim:
A unified antenna of shark fin type comprising a pad, a base disposed on upper surface of the pad and providing a space for arranging a printed circuit board and a plurality of antenna units, and a case for covering the pad and the base, wherein the antenna further comprises: a first antenna unit disposed in the middle of the printed circuit board and provided for receiving signal of AM/FM band; a second antenna unit disposed near the first antenna unit and provided for receiving signal of DMB (Digital Multimedia Broadcasting) band; and a third antenna unit disposed in front of the first antenna unit and provided for receiving signal of GPS (Global Positioning System) band, and a first auxiliary unit is disposed over the first antenna unit for enhancing electrical properties of the first antenna unit, wherein the second antenna unit is made of glass epoxy board with antenna pattern formed thereon, and then disposed upright on the printed circuit board near the first antenna unit, and the second antenna unit is adapted to receive TDMB (Terrestrial Digital Multimedia Broadcasting) and HSDPA signals or DABIII (Digital Audio Broadcasting Band III) and DAB-L signals or GSM signal, and a second auxiliary unit is disposed over the second antenna unit for enhancing the electrical properties of the second antenna unit, and the second auxiliary unit contacts at a portion thereof with the second antenna unit, and has a shape corresponding to the inner surface of the case, and the second auxiliary unit is made of copper plate or aluminum material and is formed by preparing a circular or polygonal flat blank and bending the blank into the shape corresponding to the inner surface of the case.