Patents by Inventor Patrick D. HANRAHAN

Patrick D. HANRAHAN 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).

  • Geolocation calibration for calibrating radio direction finding system by remote control
    Patent number: 11294019
    Abstract: A mobile radio direction finding (RDF) calibrator, and a method of using it to calibrate an RDF system aboard a vehicle. The calibrator has a GPS (global positioning satellite) or other GNSS (global navigation satellite system) receiver, which permits the calibrator to make its location known to the calibration process of the RDF-equipped vehicle. During calibration, the calibration process controls the calibrator remotely. As the RDF-equipped vehicle moves in a circle, it collects calibration response data, as well as location data, so that the calibration response data can be mapped to the correct azimuth.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: April 5, 2022
    Assignee: Southwest Research Institute
    Inventors: Steven P. Saulnier, Benjamin S. Davis, Patrick D. Hanrahan, Mike J. Herring
  • Geolocation Calibration for Calibrating Radio Direction Finding System by Remote Control
    Publication number: 20190195978
    Abstract: A mobile radio direction finding (RDF) calibrator, and a method of using it to calibrate an RDF system aboard a vehicle. The calibrator has a GPS (global positioning satellite) or other GNSS (global navigation satellite system) receiver, which permits the calibrator to make its location known to the calibration process of the RDF-equipped vehicle. During calibration, the calibration process controls the calibrator remotely. As the RDF-equipped vehicle moves in a circle, it collects calibration response data, as well as location data, so that the calibration response data can be mapped to the correct azimuth.
    Type: Application
    Filed: December 27, 2017
    Publication date: June 27, 2019
    Inventors: Steven P. SAULNIER, Benjamin S. DAVIS, Patrick D. HANRAHAN, Mike J. HERRING