Patent ID: 7226301

Claim:
A card attachment/detachment device holding detachably a card which has a plurality of electrodes arranged along a direction of attachment/detachment, said device comprising: a plurality of terminals configured to electrically contact with each of said electrodes on said card, respectively; a contacting member configured to contact with said card and configured to move with said card; a lock member configured to be placed in at least a locking position configured to lock the contacting member within a space and an unlocking position configured not to lock the contacting member within the space; and a biasing member configured to selectively eject said contacting member to a card insertion/removal opening based on a current position of said lock member, said biasing member configured to eject said contacting member to said card insertion/removal opening when said lock member is placed in said unlocking position, and said biasing member configured not to eject said contacting member when said lock member is placed in said locking position.