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:
Jul. 23, 2024
Filed:
Mar. 24, 2020
Hitachi Kokusai Electric Inc., Tokyo, JP;
Keita Nakayama, Tokyo, JP;
HITACHI KOKUSAI ELECTRIC INC., Tokyo, JP;
Abstract
A monitoring system is provided and includes a camera attached to a train car that takes an image of the vicinity of a door of the car, where a monitor displays a camera image taken by the camera and a dirt detection unit executes a dirt detection process for detecting dirt on the front glass of the camera. This configuration thereby allows the dirt detection unit to determine the execution timing for a dirt detection process on the basis of the train information that indicates the operational state of the train to execute the dirt detection process by using the camera image that has been obtained according to the execution timing.