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:
Sep. 25, 2018
Filed:
Oct. 30, 2017
Korea Railroad Research Institute, Uiwang-si, KR;
Jung Tai Kim, Seoul, KR;
Chi Hyung Ahn, Suwon-si, KR;
Jae Hee Kim, Suwon-si, KR;
Seh Chan Oh, Suwon-si, KR;
Kyeong Jun Ko, Seoul, KR;
Sung Soo Park, Yongin-si, KR;
Jae Ho Lee, Suwon-si, KR;
Sang Hoon Chang, Suwon-si, KR;
Abstract
An apparatus and method for protecting a communication device of a railroad car is provided. The apparatus includes an antenna portion configured to include main antennas and an auxiliary antenna, a main receiver configured to check a magnitude of a received signal transferred through the main antennas of the antenna portion, an auxiliary receiver configured to check a magnitude of a received signal transferred through the auxiliary antenna of the antenna portion, and a controller configured to compare the magnitude of the signal received by the main receiver and the magnitude of the signal received by the auxiliary receiver, determine whether there is a jamming signal according to a comparison result, and take a preset countermeasure when it is determined that there is a jamming signal.