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.

Date of Patent:
May. 07, 2019

Filed:

Aug. 21, 2018
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;

Inventors:

Xin Jin, Nagoya, JP;

Toshinori Takayama, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08G 1/065 (2006.01); G08G 1/01 (2006.01);
U.S. Cl.
CPC ...
G08G 1/0133 (2013.01); G08G 1/0129 (2013.01);
Abstract

A traffic volume determination system includes a processor configured to: calculate, while taking account of a change between a past traffic volume and a current traffic volume of vehicles passing through an area around a link, an estimated value of the current traffic volume of the vehicles passing through the link from the past traffic volume of the vehicles passing through the link; and determine that the link is closed when a current actual traffic volume of the vehicles passing through the link is smaller than the estimated value of the current traffic volume of the vehicles passing through the link by more than a statistical error.


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