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:
Feb. 10, 2015
Filed:
Nov. 22, 2011
Applicants:
Mikio Nagahara, Yamagata-mura, JP;
Hideo Sasahara, Matsumoto, JP;
Inventors:
Mikio Nagahara, Yamagata-mura, JP;
Hideo Sasahara, Matsumoto, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01S 19/13 (2010.01); G01S 19/24 (2010.01); G01S 19/30 (2010.01);
U.S. Cl.
CPC ...
G01S 19/243 (2013.01); G01S 19/30 (2013.01);
Abstract
A cross correlation determination method includes: executing a first decoding of decoding a navigation message included in a received satellite signal using a first replica code and a second decoding of decoding the navigation message using a second replica code; and determining the occurrence of a cross correlation using the result of the first decoding and the result of the second decoding.