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Wetting current control for input circuit |
Serge Kniazev, Peter Spasopoulos, Carl Schwellnus |
2022-10-11 |
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Method and system for high integrity can bus traffic supervision in safety critical application |
Alon Green, Mihai Lungu |
2022-08-23 |
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Seamless switchover system and method |
Mihai Lungu, Janice Zhao |
2019-06-25 |
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Safety assurance of multiple redundant systems |
David Doyle |
2017-04-11 |
| 9469318 |
Dynamic wheel diameter determination system and method |
Walter Kinio, Ernest Sue |
2016-10-18 |
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Powerless vehicle movement detector |
David Dimmer |
2016-10-18 |
| 9390385 |
Guideway-guided vehicle detection based on RFID system |
Boyd McKillican, Cameron Fraser |
2016-07-12 |
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Train detection system and method of detecting train movement and location |
David Dimmer |
2016-07-05 |
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Locator loop control system and method of using the same |
Firth Whitwam, Mohammed El-Azizy, Philip Chorazy |
2015-10-13 |
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Control system for vehicle in a guideway network |
Norman Chong |
2015-09-08 |
| 9128841 |
Remote shutdown via fiber |
Cameron Fraser, Serge Kniazev |
2015-09-08 |
| 9096245 |
Railway signaling system with redundant controllers |
Virgil Lostun, Sergio Mammoliti, Cameron Fraser |
2015-08-04 |
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Method of determining the position of a vehicle moving along a guideway |
Boyd McKillican |
2015-07-21 |
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Automatic and vital determination of train length and configuration |
Ioan Farcasiu, Dave Dimmer |
2015-05-19 |
| 9002546 |
Control of automatic guided vehicles without wayside interlocking |
Firth Whitwam |
2015-04-07 |
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Train end and train integrity circuit for train control system |
Ioan Farcasiu, Paul Dooyeweerd |
2015-01-27 |
| 8676411 |
System for grade crossing protection |
— |
2014-03-18 |
| 8668170 |
Railway signaling system with redundant controllers |
Virgil Lostun, Sergio Mammoliti, Cameron Fraser |
2014-03-11 |
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Location of a transponder center point |
Pat Seitz |
2013-11-05 |
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Method and system for grade crossing protection |
— |
2013-10-01 |
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Vehicle localization system |
— |
2013-07-02 |
| 6876907 |
Remote restart for an on-board train controller |
Vlad Mitroi |
2005-04-05 |