Apparatus and method for protecting communication device of railroad car
US10084565B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2017 |
| Grant date | Sep 25, 2018 |
| Priority date | — |
| Expiry date | Oct 30, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04K2203/36
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.