Patents by Inventor Dennis C. Gassman

Dennis C. Gassman 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).

  • Dual mode virtual-to-real address translation mechanism
    Patent number: 4285040
    Abstract: A mechanism in a computer system translates a program-generated virtual address into a real address of at least a portion, such as a byte, of a segment of the storage of the computer system. The translation mechanism is operable in either of two modes for forming the real storage address. In either mode of operation of the translation mechanism, a first portion of the virtual address is utilized to select a predetermined one of a plurality of segment descriptors, each having a first field portion and a second field portion.
    Type: Grant
    Filed: January 8, 1980
    Date of Patent: August 18, 1981
    Assignee: Sperry Corporation
    Inventors: Lewis R. Carlson, Dennis C. Gassman