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. 30, 2014
Filed:
Oct. 24, 2011
Applicants:
Kazuhiko Tsuchimoto, Shiojiri, JP;
Hiroki Yoshioka, Matsumoto, JP;
Fumikazu Sano, Shiojiri, JP;
Inventors:
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 7/185 (2006.01); H04B 17/00 (2006.01); H04B 1/74 (2006.01);
U.S. Cl.
CPC ...
H04B 17/0075 (2013.01); H04B 1/74 (2013.01); H04B 7/18534 (2013.01); H04B 7/18513 (2013.01);
Abstract
A method of determining reliability of a received signal is provided, which includes correlating a received signal from a satellite to a replica code, determining reliability of the received signal according to a predetermined reference using a first value and a second value, the first value being a correlation value of a peak phase obtained from the correlating and the second value being a correlation value of a phase delayed for a predetermined phase from the peak phase and changing the reference according to the satellite.