Patents by Inventor Ronald David Dillon

Ronald David Dillon 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).

  • Interrupt control system for a microcomputer
    Patent number: 4091447
    Abstract: An interrupt control system for accepting and retaining a multiple of interrupt requests to a central processing unit of a microcomputer assigning a priority to each, generating an interrupt instruction, and a CPU interrupt signal including means for storing CPU register data and status flags upon receipt of said interrupt and restoring such data and flags when the interrupt task is complete. The control system also includes means for displaying certain data as controlled by the computer software program and for entering manual data.
    Type: Grant
    Filed: July 19, 1976
    Date of Patent: May 23, 1978
    Assignee: Union Carbide Corporation
    Inventors: Ronald David Dillon, John Frederick Fisher