Patents by Inventor David Irvine-Halliday

David Irvine-Halliday 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).

  • Active star-configured local area network
    Patent number: 4998247
    Abstract: A data transmission network is disclosed which includes a plurality of nodes each adapted to send a packet of data. A controller, or hub, is connected to each of the plurality of nodes for immediately relaying a packet from one of the nodes to a desired destination when it is the only packet received by the controller means. However, when a plurality of packets are simultaneously received by the controller from plural nodes, the controller immediately relays a selected packet, and temporarily stores the other packets for subsequent transmission.
    Type: Grant
    Filed: June 10, 1988
    Date of Patent: March 5, 1991
    Inventors: David Irvine-Halliday, Abraham O. Fapojuwo, Wah-Chun Chan