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. 11, 2010
Filed:
Jul. 13, 2007
Osamu Urano, Nagano-ken, JP;
Teruhiko Fujisawa, Nagano-ken, JP;
Katsuyuki Honda, Nagano-ken, JP;
Jun Matsuzaki, Nagano-ken, JP;
Osamu Urano, Nagano-ken, JP;
Teruhiko Fujisawa, Nagano-ken, JP;
Katsuyuki Honda, Nagano-ken, JP;
Jun Matsuzaki, Nagano-ken, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A time correction device has a reception unit that receives satellite signals transmitted from positioning information satellites orbiting the Earth; a time correction information storage unit that stores time correction information for correcting time information produced by a time information generating unit; and a time information correction unit for correcting the time information based on the time correction information. The satellite signals are transmitted by individual positioning information satellites, and contain a time-related information part denoting time-related information that is kept by each satellite, and a satellite information part denoting satellite information other than the time-related information. The time correction information is generated based on the time-related information. The reception unit receives the satellite signal during the signal period in which the time-related information part can be received, and does not receive the satellite signal during the signal period in which the satellite information part can be received.