公开(公告)号：US09731736B2

公开(公告)日：2017-08-15

申请号：US14647823

申请日：2013-11-14

Applicant: KOREA RAILROAD RESEARCH INSTITUTE

Inventor： Jungtai Kim ,  Jae Ho Lee ,  Sungsoo Park ,  Jong Hyen Baek

IPC: B61L25/02 ,  B61L25/04 ,  G01S13/06 ,  G01S13/74 ,  G01S5/00

CPC classification number: B61L25/04 ,  B61L25/023 ,  B61L25/025 ,  B61L25/048 ,  G01S5/0009 ,  G01S13/06 ,  G01S13/74

Abstract: An apparatus for detecting a position of a train, the apparatus includes a reader. The reader electrically irradiates beams along a plurality of directions toward a tag, combines signals received from the tag and obtains a beam direction information toward the tag, and then detects the position of the train using the beam direction information and a tag information of the tag.