Patent ID: 7092245

Claim:
A circuit board group for electrically coupling electronic devices, defining an electric connection for a plurality of electronic devices after said plurality of electronic devices being coupled to said circuit board group, and said circuit board group comprising: a primary circuit board, being divided into an electronic device connecting section and a circuit section and having a first connection port disposed in said electronic device connecting section for coupling with said plurality of electronic devices and a second connection port disposed in said circuit section; a secondary circuit board, being electrically coupled to said primary circuit board and comprising a third connection port coupled to said second connection port being disposed on said secondary circuit board at a position corresponding to said circuit section, a through hole disposed on said secondary circuit board at a position corresponding to said electronic device connecting section, and a fourth connection port disposed on another side of said secondary circuit board for coupling with said electronic device, the first, second, third and fourth connection ports being on a same side of the primary and secondary circuit boards.