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:
Jul. 21, 2015
Filed:
Jan. 05, 2012
Applicants:
Anthony Richard Pratt, Northamptonshire, GB;
Murray Robert Jarvis, Stapleford, GB;
Inventors:
Anthony Richard Pratt, Northamptonshire, GB;
Murray Robert Jarvis, Stapleford, GB;
Assignee:
Cambridge Silicon Radio Limited, Cambridge, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 19/42 (2010.01); G01S 19/28 (2010.01); G01S 19/25 (2010.01);
U.S. Cl.
CPC ...
G01S 19/28 (2013.01); G01S 19/42 (2013.01); G01S 19/25 (2013.01);
Abstract
Apparatus for calculating the location of a receiver in a satellite navigation system, the apparatus being arranged to calculate a location of the receiver by means of an algorithm that utilizes an estimate of receiver location and/or an estimate of absolute time, the apparatus being arranged to perform the calculation in such a way as to extend a convergence zone within which the algorithm is capable of generating the correct location for the receiver despite an error in the estimate(s).