Patents by Inventor Paul Cruddace

Paul Cruddace 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).

  • Satellite positioning system authentication method and system
    Patent number: 10459086
    Abstract: Embodiments of the invention provide that when performing a position fix a user who makes use of RTK or dGNSS correction data from a RTK/dGNSS service to obtain more accurate position fixes also receives from that same service data derived from the encrypted GNSS channels that authenticates whether the position fix determined by the mobile terminal based on the RTK/dGNSS data can be relied upon. By providing such an integrated service the mobile user terminal is able to obtain an authenticated, highly accurate positional fix which it can be certain can be relied upon.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: October 29, 2019
    Assignee: Ordnance Survey Limited
    Inventors: Paul Cruddace, Stephen Hancock
  • Satellite Positioning System Authentication Method and System
    Publication number: 20170329016
    Abstract: Embodiments of the invention provide that when performing a position fix a user who makes use of RTK or dGNSS correction data from a RTK/dGNSS service to obtain more accurate position fixes also receives from that same service data derived from the encrypted GNSS channels that authenticates whether the position fix determined by the mobile terminal based on the RTK/dGNSS data can be relied upon. By providing such an integrated service the mobile user terminal is able to obtain an authenticated, highly accurate positional fix which it can be certain can be relied upon.
    Type: Application
    Filed: May 5, 2017
    Publication date: November 16, 2017
    Inventors: Paul Cruddace, Stephen Hancock