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:
Aug. 21, 2012
Filed:
Jan. 22, 2010
Naoki Inomata, Kanagawa, JP;
Naoki Inomata, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A slave device includes: a clock unit that is configured by a counter so as to output time information; a clock generation unit that generates clocks for counting up the counter; a message receiving unit that receives messages sent from a master device; a message sending unit that sends messages to the master device; a first calculation unit that calculates a first value necessary for correcting the time on the clock unit; a first correction unit that corrects the time on the clock unit based on the first value calculated by the first calculation unit; a second calculation unit that calculates a second value necessary for correcting a frequency of the clocks generated by the clock generation unit; and a second correction unit that corrects the frequency of the clocks generated by the clock generation unit based on the second value calculated by the second calculation unit.