Patents by Inventor Henry S. Choy

Henry S. Choy 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).

  • Programmable threshold detection logic for a digital storage buffer
    Patent number: 4969164
    Abstract: A threshold detection logic circuit of simple and economical design is disclosed that indicates when the difference in the number of first operations to be counted and the number of second operations to be counted is either greater than or equal to a threshold value, or less than or equal to a threshold value. The threshold detection logic circuit employs the use of an overflow bit of a counter, which has a counting range of 2.sup.N+1 for a threshold range of 2.sup.N, in order to generate a threshold interrupt signal. In addition, the disclosed threshold detection logic circuit permits the threshold value to be programmed to any desired value.
    Type: Grant
    Filed: April 27, 1989
    Date of Patent: November 6, 1990
    Assignee: Advanced Micro Devices, Inc.
    Inventors: Mayur M. Mehta, Henry S. Choy