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:
Jun. 10, 2025
Filed:
Nov. 20, 2019
Nec Corporation, Tokyo, JP;
Shohei Kinoshita, Tokyo, JP;
Murtuza Petladwala, Tokyo, JP;
Shigeru Kasai, Tokyo, JP;
Eisuke Saneyoshi, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
A vehicle weight estimation apparatusincludes: a collecting unitthat collects vibration information indicating vibration output from a sensorinstalled to a structure having a vibration-generating structure that generates vibration upon passage of a vehicle; an axle response extracting unitthat detects, by using the vibration information, axle responses indicating the passage of one or more axles of the vehicleover the vibration-generating structure; an axle index calculating unitthat calculates axle indices corresponding to the individual axles based on the axle responses; a converting unitthat converts the axle indices into axle weights by referring to conversion information that is stored in advance and that indicates a relationship between axle indices and axle weights; and a vehicle weight calculating unitthat calculates the weight of the vehicle by totaling the axle weights of the individual axles.