Patents by Inventor Glenn J. Zingler

Glenn J. Zingler has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Long life, fail safe traffic light
    Patent number: 9578728
    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.
    Type: Grant
    Filed: June 18, 2013
    Date of Patent: February 21, 2017
    Assignee: Dialight Corporation
    Inventors: Kevin A. Hebborn, Glenn J. Zingler
  • LONG LIFE, FAIL SAFE TRAFFIC LIGHT
    Publication number: 20140368111
    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.
    Type: Application
    Filed: June 18, 2013
    Publication date: December 18, 2014
    Inventors: Kevin A. Hebborn, Glenn J. Zingler