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:
Oct. 24, 2023
Filed:
Mar. 02, 2020
Nec Corporation, Tokyo, JP;
Takatoshi Ogawa, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
A time-synchronization system according to the present disclosure includes a relay apparatus () configured to perform time-synchronization with a master apparatus () through a transmission system of which a transmission delay changes depending on a transmission direction, and a relay apparatus () configured to perform time-synchronization with the relay apparatus (), in which the relay apparatus () transmits information about a difference between first time information obtained by performing time-synchronization with the relay apparatus () and second time information obtained from a time-synchronization source to the relay apparatus (), and the relay apparatus () corrects third time information obtained by performing time-synchronization with the master apparatus () by using the information about the difference, and performs time-synchronization with a slave apparatus () by using the corrected third time information.