Patent ID: 6426571
Filing Date: 2002-07-30
Classification: G06F,H02J

Abstract:
An electronic device for performing certain operations, comprising:a continuous operating unit, the continuous operating unit providing operations benefitting from a backup power source; a backup battery for providing backup power to the continuous operating unit, the battery installed in the electronic device at the time of manufacture and connected to the continuous operating unit through a switch, the switch being in the open position at the time of manufacture of the electronic device; an input device for allowing a user to input signals; a central processing unit connected to the continuous operating unit for receiving the input signals from the input device, the central processing unit containing firmware for performing operations of the electronic device; the central processing unit closing the switch when a predetermined parameter is received from the input device; and a main power source connected to the central processing unit and the continuous operating unit for providing operating power to the central processing unit and the continuous operating unit.