Patents by Inventor Conrad Boisvert

Conrad Boisvert 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).

  • Transparent addressing for CRT controller
    Patent number: 4379293
    Abstract: A controller for a CRT is disclosed having processor terminals for connecting the controller to a processor, CRT terminals for connecting the controller to a CRT, a refresh address generator for generating refresh addresses so that a display on the CRT can be refreshed, an update address generator for generating update addresses so that information in a refresh memory can be updated, refresh memory terminals for connecting the update address generator and the refresh address generator to a refresh memory, and a control circuit for exclusively connecting the update address generator and the refresh address generator to the refresh memory terminals so that only one of the generators has control of the refresh memory at a time.
    Type: Grant
    Filed: July 28, 1980
    Date of Patent: April 5, 1983
    Assignee: Honeywell Inc.
    Inventors: Conrad Boisvert, William J. Greger