Methods and system of automating track circuit calibration
US9254852B2 · kind B2 · utility
Inventors
Key dates
| Filing date | May 23, 2012 |
| Grant date | Feb 9, 2016 |
| Priority date | — |
| Expiry date | Oct 28, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61L1/20
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A method for calibrating a track circuit is provided. The track circuit includes a transmit processing unit, a receive processing unit, and a plurality of rails coupled in series to form a track section having a first end and a second end. The transmit processing unit is coupled to the track section adjacent the first end. The receive processing unit is coupled to the track section adjacent the second end. The method includes operating the transmit processing unit so that a first voltage is applied to the track section, operating the receive processing unit to detect a first current signal, and if a parameter of the first current signal is not within a predetermined acceptable range, then communicating with the transmit processing unit so that the transmit processing unit applies a second voltage to the track section, the second voltage having a different magnitude than the first voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.