Patent ID: 6026492
Filing Date: 2000-02-15
Classification: G06F,G08B

Abstract:
A computer system for receiving and retaining data and capable of securing data retained within the system against unauthorized access, said system being coupled to a remote computer via a data communication line, said system comprising:a normally closed enclosure,an erasable memory element mounted within said enclosure for selective activation to active and inactive states and for receiving and storing a security password when in the active state,a manually operable option switch mounted within said enclosure, said option switch being operatively connected with said erasable memory element and manually settable by a user of the computer system for setting said erasable memory element to the active and inactive states,communication line removal detector coupled to said enclosure and operatively connected with said erasable memory element for detecting a disconnection of said data communication line and for clearing any stored security password from said erasable memory element in response to any switching of said communication line removal detector between a first state and a second state,a central processing unit mounted within said enclosure and operatively connected with said erasable memory element for controlling access to at least certain levels of data stored within the system by distinguishing between the active and inactive states of said memory element and between entry and non-entry of any stored security password, andwherein when said stored security password is cleared, an unauthorized user cannot access said at least certain levels of data stored in said system even if said unauthorized user enters the security password.