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:
Nov. 03, 2026
Filed:
Dec. 27, 2021
Nec Corporation, Tokyo, JP;
Daisuke Ikefuji, Tokyo, JP;
Tomoyuki Hino, Tokyo, JP;
Hemant Shivsagar Prasad, Tokyo, JP;
Murtuza Petladwala, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
Provided is a signal analysis apparatus capable of appropriately detecting an event. A signal analysis apparatus includes an estimation unit and an event detection unit. The estimation unit estimates a speed of a vehicle traveling on a road at each of times at each of positions on the road using a signal obtained by measuring the road. The event detection unit detects an event occurring on the road based on at least one of a corrected speed obtained by performing a smoothing process on an estimated speed and an inaccuracy degree indicating a degree of inaccuracy of the estimated speed.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile