Patents Examined by Salvatore Cansialosi
  • Hard disk password lock
    Patent number: 6199163
    Abstract: The invention provides an encryption circuit for encrypting and decrypting data as it travels to and from a hard disk. The encryption circuit can be turned on or off under control of the BIOS program and a user supplied password. With the present invention, a removed hard disk cannot be read without the user supplied password and a similar encryption circuit.
    Type: Grant
    Filed: March 26, 1996
    Date of Patent: March 6, 2001
    Assignee: NEC Corporation
    Inventors: Patrick A. Dumas, Mark Pulver