Patents by Inventor J. Glen Rockford

J. Glen Rockford 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).

  • Shared bios ROM warm boot
    Patent number: 5892943
    Abstract: An interface that allows the host CPU and the keyboard controller in a PC to share a common BIOS ROM includes a logic circuit that receives a set of input signals and produces a set of signals that emulates a jump instruction op-code that causes the host CPU to vector to a specified address location in the system memory map normally reserved for the system ROM BIOS code, whenever both the host CPU and keyboard controller are contending for access to the BIOS ROM.
    Type: Grant
    Filed: December 30, 1996
    Date of Patent: April 6, 1999
    Assignee: Standard Microsystems Corp.
    Inventors: J. Glen Rockford, Jeffrey C. Dunnihoo, Richard E. Wahler