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. 18, 2025
Filed:
Mar. 24, 2021
Applicant:
Nec Corporation, Tokyo, JP;
Inventors:
Nobuyuki Tozawa, Tokyo, JP;
Atsushi Matsuda, Tokyo, JP;
Kei Yanagisawa, Tokyo, JP;
Kosei Kobayashi, Tokyo, JP;
Shouji Haruyama, Tokyo, JP;
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08G 1/07 (2006.01); G06V 20/54 (2022.01);
U.S. Cl.
CPC ...
G08G 1/07 (2013.01); G06V 20/54 (2022.01);
Abstract
A signal control system is capable of acquiring an image of a road from a camera disposed around a road in a control target area and includes a passability determination part for determining passability of a road section starting from an intersection on a basis of an abnormality in an image photographed by the camera and a signal control part for controlling a traffic signal device disposed at an intersection included in the road section so as to prevent traffic from inflowing into a closed section.