Portable computer system having password control means for holding one or more passwords such that the passwords are unreadable by direct access from a main processor
August 16, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesProtector system for computer access and use Power-on password functions for computer system Security administrator for automatically updating security levels associated with operator personal identification data Password system utilizing two password types, the first being changeable after entry, the second being unchangeable until power is removed Databaseless security system Transparent system interrupt Computer data security device and method Method and apparatus for password protection of a computer Secure computer interface Computer system with interrupts transparent to its operating system and application programs InventorsAssigneeApplicationNo. 106922 filed on 08/16/1993US Classes:713/183Solely password entry (no record or token)ExaminersPrimary: Beausoliel, Robert W. Jr.Assistant: Decady, Albert Attorney, Agent or FirmForeign Patent References
International ClassG06F 012/16Foreign Application Priority Data1992-09-17 JPAbstractA portable computer system includes a keyboard for inputting at least a password, and a main CPU for controlling the system operation to perform a data processing. Particularly, the computer system further includes a password control section, holding one or more registered passwords as being unreadable by direct access from the main CPU, for allowing the main CPU to perform the data processing when a password identical to one of the registered passwords held therein is input by the keyboard. | |
