Patents by Inventor James Roger Hargrave

James Roger Hargrave 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).

  • Publication number: 20090092049
    Abstract: In order to minimize traffic on a Zigbee network, a gateway of the Zigbee network represents end devices in communications with peripheral networks. The gateway receives messages, such as status request messages, from the peripheral network intended for an end device on the Zigbee network. The Zigbee network generates a response message by retrieving stored data for the end device instead of communicating the received message to the end device.
    Type: Application
    Filed: March 13, 2008
    Publication date: April 9, 2009
    Applicant: AMX, LLC
    Inventors: James Roger Hargrave, Kelvin Hui Xu, David Alan Escamilla, Darin William Smith, Richard Gelling
  • Publication number: 20090092146
    Abstract: In a Zigbee network, reliable communications are provided by maintaining messages transmitted from a device in a message queue in the device. If no successful acknowledgement is received for a transmitted message, the message is re-transmitted when the message queue executes. Messages are deleted from the queue when the message is successfully transmitted or when a maximum number of re-tries has been exhausted.
    Type: Application
    Filed: March 13, 2008
    Publication date: April 9, 2009
    Applicant: AMX, LLC
    Inventors: James Roger Hargrave, Kelvin Hui Xu, David Alan Escamilla