Patent ID: 8179687
Filing Date: 2012-05-15
Classification: G06F,H05K

Abstract:
1. A signal transmission device with single output configuration, installed on a motherboard and electrically connected to a signal control unit on the motherboard and a display output interface, the signal transmission device comprising: a signal receiving port for receiving a signal transmitted from the signal control unit; a signal output port for single output of the signal to the display output interface; and a printed circuit connecting port electrically connected to the signal receiving port and the signal output port, the printed circuit connecting port used for transmitting the signal from the signal receiving port to the signal output port; wherein the printed circuit connecting port comprises: a base board; a first signal transmission layer disposed at a first side of the base board; a second signal transmission layer disposed at a second side of the base board; a ground layer disposed between the base board and the first signal transmission layer, the ground layer used for ground connection; and a power supply layer disposed between the base board and the second signal transmission layer, the power supply layer used for providing power.