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. 15, 2014
Filed:
Feb. 07, 2011
Applicant:
Anand Kumar, Suwa, JP;
Inventor:
Anand Kumar, Suwa, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 19/24 (2010.01); G01S 19/26 (2010.01);
U.S. Cl.
CPC ...
G01S 19/24 (2013.01); G01S 19/26 (2013.01);
Abstract
A satellite signal tracking method includes: detecting a situation of movement; calculating an error of the detection; and setting a loop bandwidth of a tracking filter, which is used to track a satellite signal received from a positioning satellite and of which the loop bandwidth can be changed, using the detection result and the calculated error.