发明名称 |
LONG LIFE, FAIL SAFE TRAFFIC LIGHT |
摘要 |
The present disclosure is directed to a method for detecting a failure in a signal light. In one embodiment, the method includes monitoring operation of one or more light emitting diodes (LEDs) of the signal light coupled to a constant current driver, detecting a short circuit in at least one of the one or more LEDs and signaling a failure in the signal light when the short circuit is detected. |
申请公布号 |
WO2014204971(A3) |
申请公布日期 |
2015.03.12 |
申请号 |
WO2014US42755 |
申请日期 |
2014.06.17 |
申请人 |
DIALIGHT CORPORATION |
发明人 |
HEBBORN, KEVIN A.;ZINGLER, GLENN J. |
分类号 |
H05B37/03 |
主分类号 |
H05B37/03 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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