Patents by Inventor John DeLucchi

John DeLucchi 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).

  • Systems, methods, and computer program products for refreshing data
    Patent number: 8866588
    Abstract: A method performs an update for a first device that consumes information with a known expiration time. The first device operates within a network that accommodates other devices also consuming the information. The method includes setting a time for the first device to refresh the information, the time to refresh being based on a pseudorandom time offset. The method also includes sending a refresh request to a resource for the data during the set time.
    Type: Grant
    Filed: May 12, 2009
    Date of Patent: October 21, 2014
    Assignee: QUALCOMM Incorporated
    Inventors: Douglas Neal Rowitch, Zoltan Biacs, Ravikumar Varma Dandu, Donovan Trisko, Jie Wu, John Delucchi, Grant Alexander Marshall, Ashok Bhatia
  • Compensation for line bias variation
    Patent number: 6163754
    Abstract: Method and apparatus for estimating a line bias for a signal received from a common signal source at each of two or more GPS signal receivers. Single difference solutions are obtained for angular orientation of an antenna array and for antenna location, using a two-thread or two-procedure process for determining and updating line bias variation within each of a sequence of time intervals.
    Type: Grant
    Filed: November 25, 1998
    Date of Patent: December 19, 2000
    Assignee: Trimble Navigation Limited
    Inventors: Qiyue John Zhang, John DeLucchi