Patents by Inventor Christopher Hay

Christopher Hay 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).

  • Network device including selective discard of packets
    Patent number: 6418118
    Abstract: A network device which includes flow control, being responsive to a control frame prescribing a pause in the forwarding of packet from a port, sorts received packets intended for forwarding from that port into a first queue, e.g. critical latency traffic and at least one other queue. A count of the number of packets in the first queue is determined at the onset of a pause and at least that number of packets are discarded from the first queue if the pause time exceeds a programmable reference.
    Type: Grant
    Filed: December 2, 1999
    Date of Patent: July 9, 2002
    Assignee: 3Com Corporation
    Inventors: Christopher Hay, Kam Choi, Patrick Gibson, Gareth E Allwright
  • FIFO storage including pointer misalignment detection
    Publication number: 20020075887
    Abstract: A FIFO store for data packets and their respective status words includes space for the writing of a predetermined sync word or one of a cyclic sequence of predetermined sync words with each status word. The sync word can be used to prevent forwarding of a packet and as an aid to fault diagnosis if on reading the status word the sync word does not match any of the predetermined sync words.
    Type: Application
    Filed: February 20, 2001
    Publication date: June 20, 2002
    Inventors: Gareth E. Allwright, Kam Choi, Patrick Gibson, Christopher Hay, Jerome Nolan