Patent ID: 7471933

Claim:
A computer host comprising: a casing, having a top plate, a side plate, a back plate and an antenna holder, wherein the top plate has a long side connected with the side plate and a short side connected with the back plate; and the antenna holder is extended from the short side of the top plate, perpendicular to the back plate and close to the side plate; and the back plate has a hole close to the antenna holder which has an opening whose normal line parallel to the normal line of the top plate; a main board, fixed inside the casing; a connector, mounted on the main board; a wireless network card, inserted into the connector and electrically connected to the main board via the connector; an adjustable antenna, including a fixing part, a turning section with two terminals and an electric wave coupling section, wherein the fixing part is provided for coupling with the opening of the antenna holder; and one of the two terminals of the turning section rotatively connected with the fixing part, and the other terminal swingably connected with the electric wave coupling section in a higher position relative to the top of the casing; and an electrical connection line, penetrating through the hole of the back plate, and having two ends electrically connected with the adjustable antenna and the wireless network card respectively.