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. 24, 2026
Filed:
May. 13, 2021
Nec Corporation, Tokyo, JP;
Shinya Kamada, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
A laid state identifying system () according to the present disclosure includes: an optical fiber () laid in a road () and configured to detect vibration generated by traveling of a vehicle () on the road (); a vibration information acquiring unit () configured to receive an optical signal from the optical fiber () and acquire, from the optical signal, vibration information indicating the vibration; a history information acquiring unit () configured to acquire history information indicating a travel history of the vehicle (); and a laid state identifying unit () configured to identify a laid state of the optical fiber () based on a change over time in the history information and a change over time in the vibration information.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile