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:
Dec. 19, 2023

Filed:

Feb. 08, 2018
Applicant:

Mitsubishi Electric Corporation, Tokyo, JP;

Inventors:

Naoki Ueda, Tokyo, JP;

Akira Nakanishi, Tokyo, JP;

Yoshitsugu Sawa, Tokyo, JP;

Emiko Kurata, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B61L 23/04 (2006.01); B61L 25/02 (2006.01); B61L 27/04 (2006.01); B61L 15/00 (2006.01);
U.S. Cl.
CPC ...
B61L 23/041 (2013.01); B61L 25/025 (2013.01); B61L 27/04 (2013.01); B61L 15/0072 (2013.01); B61L 2201/00 (2013.01);
Abstract

An obstacle detection device installed in a train includes: a sensor that monitors surroundings of the train and generates a range image that is a result of monitoring; a storage unit that stores map information including position information of structures installed along a railroad track on which the train travels; a correction unit that corrects, using the range image acquired from the sensor and the map information stored in the storage unit, first train position information that is information acquired from a train control device and indicates a position of the train, and outputs second train position information that is a result of correction; and a monitoring condition determination unit that determines a monitoring range of the sensor using the second train position information and the map information.


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