Patent ID: 8416564
Filing Date: 2013-04-09
Classification: G06F

Abstract:
1. An expansion interface module having signal gain circuit electrically connected to a main board which is disposed within a computer housing through a cable, the expansion interface module comprising: a circuit board always disposed within the computer housing; a connecting port located at one side of the circuit board and electrically connected to the circuit board through the cable for receiving signal outputted from the main board; a signal gain circuit always disposed within the computer housing, located at the circuit board and electrically connected to the circuit board for amplifying and enhancing the signal received by the connecting port; and a plurality of connectors located at one side of the circuit board and opposite to a side where the connecting port is located and electrically connected to the circuit board for outputting the signal which is amplified and enhanced by the signal gain circuit; wherein the connectors are physically connected to an external device or connected to an external device through a transferring cable for outputting the amplified and enhanced signal to the external device.