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:
Aug. 29, 2006
Filed:
Dec. 18, 2003
Yoichi Sugita, Hitachi, JP;
Dai Watanabe, Hitachi, JP;
Takatoshi Miyazaki, Fuji, JP;
Kiyoshi Chiba, Hitachinaka, JP;
Yoichi Sugita, Hitachi, JP;
Dai Watanabe, Hitachi, JP;
Takatoshi Miyazaki, Fuji, JP;
Kiyoshi Chiba, Hitachinaka, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
In order to propose a method of promptly judging movement of a train between block sections with a minimum number of transponders, an on-ground train control part for controlling operation of a train; an on-ground communication means capable of performing communication of information by coming within a specified range; and a sending-and-receiving part capable of sending the information received by the on-ground communication device to the on-ground train control part and receiving the information sent from the on-ground train control part, are provided, thereby, a position of presence of train is grasped by receiving a speed of the train using the on-ground communication means when the on-train communication means attached to the train comes near.