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:
May. 31, 2016
Filed:
Dec. 16, 2011
Applicants:
Hideo Sasahara, Matsumoto, JP;
Mikio Nagahara, Yamagata-mura, JP;
Inventors:
Hideo Sasahara, Matsumoto, JP;
Mikio Nagahara, Yamagata-mura, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01S 19/21 (2010.01); G01S 19/28 (2010.01); G01S 19/24 (2010.01);
U.S. Cl.
CPC ...
G01S 19/21 (2013.01); G01S 19/243 (2013.01); G01S 19/28 (2013.01);
Abstract
A method of determining adequacy of acquisition includes: attempting to acquire a satellite signal from a satellite and decoding first satellite orbit data; and determining the adequacy of acquisition of the satellite signal by using the first satellite orbit data and second satellite orbit data that has been acquired from the satellite.