Patents by Inventor James L. Bradshaw

James L. Bradshaw 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 transferring data within a computer using a burst sequence which includes modified bytes and a minimum number of unmodified bytes
    Patent number: 5386540
    Abstract: A method of transferring data words that include data bytes within a computer having a main memory, a processor and a cache memory, with the processor being able to cause data words to be transferred in a burst mode from the cache memory to the main memory in one of a plurality of predetermined sequences, includes the following steps: (1) determining which data words of a group of data words located in the cache memory include data bytes which have been modified, (2) selecting one sequence of data words of the plurality of predetermined sequences of data words which includes (a) all of the data words of the group of data words that include data bytes which have been modified, and (b) a minimum number of data words of the group of data words that include no data bytes which have been modified, and (3) causing the one sequence of data words selected in the selecting step to be transferred in the burst mode from the cache memory to the main memory.
    Type: Grant
    Filed: July 28, 1993
    Date of Patent: January 31, 1995
    Assignee: NCR Corporation
    Inventors: Randolph G. Young, James L. Bradshaw, Bobby W. Batchler, Barry C. Sudduth, Craig A. Walrath