Patent ID: 7855346

Claim:
A data processing apparatus, comprising: a protection cover configured to cover a removable recording medium attached to the data processing apparatus, the protection cover having a receiving portion; a latch member configured to engage the receiving portion of the protection cover to set the protection cover in a closed condition; a control unit configured to control a coupling condition of the latch member and the receiving portion of the protection cover, the control unit selectively transmitting a first signal for engaging the latch member and the receiving portion and a second signal for disengaging the latch member and the receiving portion depending on whether or not data processing for the removable recording medium is in progress; an electromagnetic device having a movable shaft integrated with the latch member; and an outer cover including an aperture, wherein the latch member and the electromagnetic device are disposed inside the outer cover, the electromagnetic device is moveable with an external force applied by a bar inserted through the aperture, and the external force is used to disengage the latch member from the receiving portion of the protection cover.