Patents by Inventor John W. Mayn

John W. Mayn 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).

  • Digital processor or microcomputer using peripheral control circuitry to provide multiple memory configurations and offset addressing capability
    Patent number: 4450521
    Abstract: An electronic digital processor system including an internal memory for the storage of data and commands, an arithmetic and logic unit, a register set, data paths and control/timing circuitry together with peripheral control circuitry which provides a number of memory configurations and also provides offset addressing capability to access the interrupt control circuitry, interval timing circuitry and input/output ports. The several memory configurations include configurations that allow for the storage of commands and the storage of data in external devices interfaced to the processor system through the input/output port circuitries.
    Type: Grant
    Filed: April 13, 1981
    Date of Patent: May 22, 1984
    Assignee: Texas Instruments Incorporated
    Inventors: Kevin C. McDonough, John W. Mayn, Gary L. Swoboda, Jeffrey D. Bellay