Patents by Inventor Boyce T. Ahlport

Boyce T. Ahlport 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).

  • Variable threshold device memory circuit having automatic refresh feature
    Patent number: 4149270
    Abstract: An MNOS non-volatile memory circuit, which inhibits the application of a write voltage to a memory cell at times when the write data is the same as the data stored in such cell to prevent saturation of the transistor, includes provision for applying automatically such a write voltage upon the detection of a predetermined weak storage condition in such cell.
    Type: Grant
    Filed: September 26, 1977
    Date of Patent: April 10, 1979
    Assignees: Westinghouse Electric Corp., Northrop Corporation
    Inventors: James R. Cricchi, Boyce T. Ahlport