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Low-frequency long-distance track circuit system |
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Auto-block optical communication interface system |
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High safety redundancy system based on railway system |
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Electronic interlocking system with stand-alone structure |
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2011.04.25 |
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Electronic interlocking system with data tracking structure |
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Digital integrated occlusion system for concentration |
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2011.07.08 |
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Integrated automatic blocking system with dual structure |
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Integrated obstruction system equipped with detour communication function |
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2011.04.21 |
Patent |
Rail breakage detection system through frequency comparison |
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2010.08.05 |
Patent |
External surge protector using emergency line OPTI card |
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2010.07.16 |
Patent |
SMPS system for non-insulated track circuit rack |
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2008.05.30 |
Patent |
Railroad Signal Distributed Optical Signal Transmission Board |
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2007.06.13 |
Patent |
Integrated frequency control system for railway signals |
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2007.06.13 |
Patent |
Electronic multi-function controller for railway signals |
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2007.06.13 |