Patents by Inventor Richard R. Clem

Richard R. Clem 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).

  • Badbit counter for memory testing
    Patent number: 4942576
    Abstract: Apparatus for comparing outputs of two digital devices and counting digital aberrations between them. One embodiment of this invention is the use of an XOR gate to compare the output of a DRAM under test to the output of a known good DRAM of corresponding operating characteristics, and the use of a counter to count the digital aberrations, known as badbits, between the two DRAMs.
    Type: Grant
    Filed: October 24, 1988
    Date of Patent: July 17, 1990
    Assignee: Micron Technology, Inc.
    Inventors: Jon P. Busack, Gary M. Johnson, Richard R. Clem