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LED FLASH LIGHT AND METHOD FOR INDICATING NEAR-END-OF-LIFE STATUS OF SUCH AN LED FLASH LIGHT

  • US 20130300296A1
  • Filed: 05/09/2013
  • Published: 11/14/2013
  • Est. Priority Date: 05/10/2012
  • Status: Active Grant
First Claim
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1. Method for indicating that an LED flash light for an aircraft such as an anti-collision or beacon or strobe LED light has reached a near-end-of-life status, wherein the LED flash light under a normal operational condition within a given time interval generates a predetermined number of normal flashes, with the number being one or more than one, e.g. two, wherein the method comprises the steps ofdetermining the actual photometric condition of the LED flash light,comparing the actual photometric condition to a given condition in a normal flashing mode, andif the actual condition deviates from the given condition by more than a predetermined amount, operating the LED flash light for generating within the given time interval at least one additional near-end-of-life-indicating flash (3) during the given time interval.

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