Patents by Inventor Travis James Karr

Travis James Karr 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).

  • Interface between a link layer device and one or more physical layer devices
    Patent number: 6850523
    Abstract: A bus interface for exchanging packets within a communication system between a single data link layer and a physical layer device which includes a link transmit interface on the link layer device, a PHY transmit interface on the physical layer devices electrically coupled to the link transmit interface, a link receive interface on the link layer device and a PHY receive interface on said physical layer device electrically coupled to the link receive interface, wherein data is transmitted from the link transmit interface to the PHY transmit interface and from the PHY receive interface to the link receive interface in packets of variable length in a word based format wherein each word has at least 1 byte.
    Type: Grant
    Filed: May 18, 1999
    Date of Patent: February 1, 2005
    Assignee: PMC-Sierra, Inc.
    Inventors: Travis James Karr, Martin Chalifoux