The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 16, 2014
Filed:
Jan. 07, 2011
Alan M. Rosenwinkel, Maple Shade, NJ (US);
Jonathan Mercurio, Morrestown, NJ (US);
Kellie Bucha, Philadelphia, PA (US);
Alan M. Rosenwinkel, Maple Shade, NJ (US);
Jonathan Mercurio, Morrestown, NJ (US);
Kellie Bucha, Philadelphia, PA (US);
Lockheed Martin Corporation, Bethesda, MD (US);
Abstract
Data or electrooptic sensor (EOS) images are made of a star field and at least one, and possibly multiple, Earth satellites associated therewith. Calculations performed on the imaged locations of a satellite and two stars of a star field provide all the information needed to identify the observer's position. When the ephemerides of the satellite(s) are less accurately known, calculations performed on the imaged locations of at least two satellites and four stars of a star field provide all the information needed to identify the observer's position, because the along-track and cross-track ephemerides errors are different. Thus, the cross-track information of multiple satellites is preferentially used to determine the geolocation.