Warning light with light emitting diodes

Details Warning light with light emitting diodes Warning light with light emitting diodes

B - Operations, Transporting

64

D

B64D 47/06 (2006.01) F21K 99/00 (2010.01) B64F 1/20 (2006.01) H05B 33/08 (2006.01)

Patent

CA 2332906

A warning light (10) for external use on an aircraft comprises a high- intensity light output light source (14, 20). The light source comprises a plurality of light emitting diodes (40) which are arranged to be pulsed with an overdriving signal (32) to produce a higher than normal intensity flashing light output. The overdriving signal (32) is generated by a pulsed drive circuit (30) in response to timing signals received from a flash pattern box at a rate of between 0.67 Hz to 1.67 Hz.

L'invention concerne un voyant lumineux (10) destiné à être utilisé à l'extérieur d'un aéronef, ce voyant renfermant une source de lumière (14, 20) émettant une lumière haute intensité. Cette source de lumière comprend plusieurs diodes électroluminescentes (40) disposées de manière à être pulsées au moyen d'un signal d'attaque excessive (32), afin d'émettre une lumière clignotante d'une intensité supérieure à la normale. Un circuit d'attaque par impulsions (30) permet en outre de produire un signal d'attaque excessive (32) en réponse à des signaux de synchronisation transmis par un dispositif produisant une suite d'éclats lumineux entre 0,67 Hz et 1,67 Hz.

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