Patents by Inventor William D. Kopsaftis

William D. Kopsaftis has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for replacing resident peripheral device control microcode by download via an application program
    Patent number: 5659801
    Abstract: A peripheral device capable of replacing resident microcode with new microcode by download by an application program is disclosed. The disclosed peripheral device comprises a non-volatile memory containing the resident microcode. Further circuitry is responsive to the application program for receiving peripheral device commands. A resident processor, which is coupled to the non-volatile memory and the receiving circuitry, is responsive to the resident microcode, and includes a detector for a received initiator peripheral device command. The resident processor also includes a detector for a transfer disk drive command, which includes the new microcode, and which is received while the disk drive is in a waiting state.
    Type: Grant
    Filed: December 7, 1994
    Date of Patent: August 19, 1997
    Assignee: EMC Corporation
    Inventor: William D. Kopsaftis