Patents by Inventor Jay D. Jeter

Jay D. Jeter 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).

  • Patent number: 6269458
    Abstract: A computer system for diagnosing and isolating faults in the computer system. A first value is written from the processor using the bus a first address within the address space of a diagnostic state machine. The value is latched in a first register and written from the first register to a second address in the memory. By reading a second value from the memory at second address, the processor compares the second value to the first value to indicate an error if they are different.
    Type: Grant
    Filed: February 21, 1995
    Date of Patent: July 31, 2001
    Assignee: Nortel Networks Limited
    Inventors: Jay D. Jeter, Ronald J. Landry
  • Patent number: 5652915
    Abstract: A computer system for controlling the mode of operation of a data cache. When a DMA state machine detects a DMA cycle to a memory block, the machine interrupts the processor so the processor sets a new value of the DMA state to control the mode of cache operation associated with the block.
    Type: Grant
    Filed: February 21, 1995
    Date of Patent: July 29, 1997
    Assignee: Northern Telecom Limited
    Inventors: Jay D. Jeter, Ronald J. Landry, Patrick S. Milligan, Gerry R. Dubois