Patents by Inventor Robert George Gibbins

Robert George Gibbins 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).

  • Multi-port random access memory
    Patent number: 6288969
    Abstract: Disclosed is an architecture of a RAM (random access memory) with BIST (built-in self test) or functional test function. The RAM has a memory cell for storing differential or single-ended binary data and bit line signals are fully differential or single-ended. Shadow write is applied to read only and read-write bit lines. With the test function, port-to-port bit line shorts and port-to-port word line shorts are sensitized.
    Type: Grant
    Filed: July 24, 1997
    Date of Patent: September 11, 2001
    Assignee: Nortel Networks Limited
    Inventors: Robert George Gibbins, Garnet Frederick Randall Gibson, Steven William Wood
  • Multi-port random access memory
    Patent number: 5742557
    Abstract: Disclosed is an architecture of a RAM (random access memory) with BIST (built-in self test) or functional test function. The RAM has a memory cell for storing differential or single-ended binary data and bit line signals are fully differential or single-ended. Shadow write is applied to read only and read-write bit lines. With the test function, port-to-port bit line shorts and port-to-port word line shorts are sensitized.
    Type: Grant
    Filed: September 19, 1996
    Date of Patent: April 21, 1998
    Assignee: Northern Telecom Limited
    Inventors: Robert George Gibbins, Garnet Frederick Randall Gibson, Steven William Wood