Patents by Inventor Bertil Grelsson

Bertil Grelsson 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).

  • Method and system for estimating information related to a vehicle pitch and/or roll angle
    Patent number: 9285460
    Abstract: The present disclosure relates to a method (200) for estimating information related to a vehicle pitch and/or roll angle. The method comprises a step of obtaining (220) a first estimate of the information related to the pitch and/or roll angle. The method is characterized by the steps of capturing (210) an image of an area covering at least a part of the horizon using a camera mounted on the airborne vehicle, and determining (240) an improved estimate of the information related to the pitch and/or roll angle based on the first estimate of the information related to the pitch and/or roll angle, and a digital elevation model.
    Type: Grant
    Filed: April 14, 2014
    Date of Patent: March 15, 2016
    Assignee: SAAB Vricon Systems AB
    Inventors: Leif Haglund, Folke Isaksson, Michael Felsberg, Bertil Grelsson
  • METHOD AND SYSTEM FOR ESTIMATING INFORMATION RELATED TO A VEHICLE PITCH AND/OR ROLL ANGLE
    Publication number: 20150323648
    Abstract: The present disclosure relates to a method (200) for estimating information related to a vehicle pitch and/or roll angle. The method comprises a step of obtaining (220) a first estimate of the information related to the pitch and/or roll angle. The method is characterized by the steps of capturing (210) an image of an area covering at least a part of the horizon using a camera mounted on the airborne vehicle, and determining (240) an improved estimate of the information related to the pitch and/or roll angle based on the first estimate of the information related to the pitch and/or roll angle, and a digital elevation model.
    Type: Application
    Filed: April 14, 2014
    Publication date: November 12, 2015
    Inventors: Leif Haglund, Folke Isaksson, Michael Felsberg, Bertil Grelsson