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. 07, 2015
Filed:
Aug. 15, 2011
Applicants:
Shunichi Mizuochi, Matsumoto, JP;
Kazumi Matsumoto, Shiojiri, JP;
Anand Kumar, Shiojiri, JP;
Inventors:
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 19/26 (2010.01); G01S 19/29 (2010.01); G01S 19/25 (2010.01);
U.S. Cl.
CPC ...
G01S 19/254 (2013.01); G01S 19/26 (2013.01); G01S 19/29 (2013.01);
Abstract
A satellite signal tracking method performed by a receiver that receives a satellite signal from a positioning satellite, the satellite signal tracking method including: computing a first Doppler frequency using a received signal obtained by receiving the satellite signal, computing a second Doppler frequency using the first Doppler frequency and a signal from the sensor unit including at least an acceleration sensor, and acquiring the satellite signal using the second Doppler frequency.