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:
Oct. 27, 2015

Filed:

Jun. 02, 2011
Applicants:

Takamasa Koshizen, Wako, JP;

Katsuhiro Nishinari, Tokyo, JP;

Inventors:

Takamasa Koshizen, Wako, JP;

Katsuhiro Nishinari, Tokyo, JP;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08G 1/16 (2006.01); G08G 1/052 (2006.01); B60K 37/02 (2006.01); G01C 21/36 (2006.01); G08G 1/01 (2006.01);
U.S. Cl.
CPC ...
G08G 1/052 (2013.01); B60K 37/02 (2013.01); G01C 21/3691 (2013.01); G08G 1/0112 (2013.01); G08G 1/0133 (2013.01); G08G 1/166 (2013.01); B60K 2350/1064 (2013.01); Y02T 10/84 (2013.01);
Abstract

Disclosed is a congestion estimation device including a speed detection unit configured to detect a speed of a host vehicle and then outputting a speed detection result, an inter-vehicle distance detection unit configured to detect an inter-vehicle distance between the host vehicle and other vehicle and then outputting an inter-vehicle distance detection result, a correlation calculation unit configured to calculate a correlation based on the speed detection result and the inter-vehicle distance detection result and then outputting a correlation calculation result, and a display unit configured to display the correlation calculation result or information relating to the correlation calculation result.


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