Patents by Inventor Kenneth A. Patton

Kenneth A. Patton 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).

  • Recalibration of precision clocks in a computer network
    Patent number: 8812739
    Abstract: In one embodiment, a clock on a network device is initialized, and then a first timing message is received at the network device from a reference device having a first timestamp indicating when the first timing message was transmitted from the reference device. The network device may then determine and store a one-way delay from the first timestamp to a first time at which the first timing message was received at the network device. In response to restarting the clock, the network device may receive a second timing message from the reference device having a second timestamp indicating when the second timing message was transmitted from the reference device. The network device may then calibrate the clock such that a second time at which the network device received the second timing message is the second timestamp plus the stored one-way delay.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: August 19, 2014
    Assignee: Cisco Technology, Inc.
    Inventors: Stewart Frederick Bryant, Kenneth A. Patton, Mark L. Hendrickson, Rajiv Asati, Christian Cassar
  • RECALIBRATION OF PRECISION CLOCKS IN A COMPUTER NETWORK
    Publication number: 20110153869
    Abstract: In one embodiment, a clock on a network device is initialized, and then a first timing message is received at the network device from a reference device having a first timestamp indicating when the first timing message was transmitted from the reference device. The network device may then determine and store a one-way delay from the first timestamp to a first time at which the first timing message was received at the network device. In response to restarting the clock, the network device may receive a second timing message from the reference device having a second timestamp indicating when the second timing message was transmitted from the reference device. The network device may then calibrate the clock such that a second time at which the network device received the second timing message is the second timestamp plus the stored one-way delay.
    Type: Application
    Filed: December 17, 2009
    Publication date: June 23, 2011
    Inventors: Stewart Frederick Bryant, Kenneth A. Patton, Mark L. Hendrickson, Rajiv Asati, Christian Cassar