Patent ID: 8602314

Claim:
An adapter device ( 1 ) for connecting a memory card to a host, comprising: a primary connector ( 2 ) to be connected with the host taking up said adapter device, a secondary connector ( 4 ) to take up the memory card ( 3 ), an interrupter (S 1 ) connected to the primary connector and to the secondary connector, a device interface circuit ( 51 ) connected to the primary connector and controlling the opening and closing of the interrupter (S 1 ) depending on the commands received by the first connector, wherein the device interface circuit ( 51 ) is configured so that if the primary connector ( 2 ) receives a command from the host that is not related to the memory card ( 3 ), the device interface circuit ( 51 ) opens the interrupter (S 1 ) after the command has passed.