Patent ID: 8796603

Claim:
An appliance, comprising: a cabinet having a first printed circuit board located therein; a door connected to the cabinet, the door being moveable between an open position and a closed position to open and close the cabinet; a second printed circuit board located in the door; at least one first connector connected to the first printed circuit board; at least one second connector connected to the second printed circuit board for supplying electric power to the second printed circuit board; a connector entrance located at a portion of the cabinet corresponding to the first connector; a connector entrance covering element located in the cabinet to open and close the connector entrance; a first wireless communication unit connected to the first printed circuit board; and a second wireless communication unit connected to the second printed circuit board, the first and second wireless communication units being configured to provide wireless communication between the first and second printed circuit boards, wherein, when the door is in a substantially closed position, the second connector pushes the connector entrance covering element so that the connector entrance is opened and the second connector is inserted into the connector entrance and electrically connected to the first connector by contact with the first connector, and when the door is in a substantially open position, the connector entrance is closed by the connector entrance covering element as the second connector is removed from the connector entrance, and the second connector is electrically disconnected from the first connector by removing the contact with the first connector, wherein the first connector includes one of a latch board and a latch located on the cabinet, and the second connector includes the other of the latch board and the latch located on the door, and wherein the latch includes: a data transmission portion; a power transmission portion; and an electrical insulation portion separating the data transmission portion from the power transmission portion.