Patent ID: 7727027

Claim:
A dual-purpose socket comprising: a body having a front side; a chamber being defined in the body; an inner surface; and at least one opening being formed through the front side, communicating with the chamber and allowing an HDMI (High-Definition Multimedia Interface) plug or a Displayport plug to be inserted into the chamber; a pin base mounted on the inner surface and in the chamber of the body, and corresponding to the HDMI plug and the Displayport plug; a pin set mounted on the pin base and having upper pins, lower pins and a detecting pin mounted on the pin base at intervals; at least one guide protrusion mounted on the inner surface of the body and protruding longitudinally from the inner surface into the chamber of the body, the at least one guide protrusion being separated from the pin base to define a socket hole having a first receiving space and a second receiving space for alternatively receiving the HDMI plug or the Displayport plug.