Patents by Inventor David T. Guidos

David T. Guidos 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).

  • Series port connection of a plurality of terminals to a master processor
    Patent number: 4725836
    Abstract: A circuit arrangement for connecting a plurality of digitally operated terminals to a single communications circuit of a master digital processing unit, such as a central computer, for transmission of information therebetween. The circuit comprises a first data bus for delivery of information from the processing unit to the terminals and a second data bus for delivery of information from each of the individual terminals to the central processing unit. A connecting circuit connects each of the individual terminals to the buses in a series arrangement such that each of the terminals are serially connected to the central computer through the single central port thereof.
    Type: Grant
    Filed: January 27, 1986
    Date of Patent: February 16, 1988
    Assignee: Snap Systems, Inc.
    Inventor: David T. Guidos