Patents by Inventor James Randall Walker

James Randall Walker 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).

  • Patent number: 6943671
    Abstract: A portable device includes a location detector, a time detector, and an alarm module to generate alarms based on both time-based and location-based criteria. A current time provided by the time detector is compared to a time-based criterion, and a current geographical location provided by the location detector (e.g., global positioning system or GPS receiver) is compared to a location-based criterion to determine whether or not to generate an alarm.
    Type: Grant
    Filed: April 17, 2003
    Date of Patent: September 13, 2005
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Michael Sean McGee, James Randall Walker, Michael S. McIntyre
  • Publication number: 20040207522
    Abstract: A portable device includes a location detector, a time detector, and an alarm module to generate alarms based on both time-based and location-based criteria. A current time provided by the time detector is compared to a time-based criterion, and a current geographical location provided by the location detector (e.g., global positioning system or GPS receiver) is compared to a location-based criterion to determine whether or not to generate an alarm.
    Type: Application
    Filed: April 17, 2003
    Publication date: October 21, 2004
    Inventors: Michael Sean McGee, James Randall Walker, Michael S. McIntyre