Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Glenn J. Zingler0
Kevin A. Hebborn0
Date of Patent
February 21, 2017
0Patent Application Number
139208060
Date Filed
June 18, 2013
0Patent Citations Received
Patent Primary Examiner
Patent abstract
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.
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