Methods and systems for maintaining the illumination...

H - Electricity – 05 – B

Patent

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H05B 37/02 (2006.01)

Patent

CA 2738315

Systems and methods for maintaining the illumination intensity of one or more LEDs above a minimal intensity level. The systems and methods may include: (1) a current regulator for regulating the current in a circuit; (2) a voltage source for applying current to a circuit; (3) an LED with a minimal intensity level that correlates to a set-point temperature; and (4) a thermal sensor that is in proximity to the LED and adapted to sense a temperature proximal to the LED. The thermal sensor may transmit a signal to the current regulator if the sensed temperature exceeds the set- point temperature. Thereafter, the current regulator may take steps to regulate the current in order to maintain the LED illumination intensity above the minimal intensity level.

Systèmes et procédés de maintien de lintensité déclairement dune ou de plusieurs diodes électroluminescentes (DEL) au-dessus dun niveau dintensité minimal. Les systèmes et procédés peuvent faire appel à : (1) un régulateur de courant conçu pour réguler un courant circulant dans un circuit ; (2) une source de tension conçue pour appliquer un courant à un circuit ; (3) une DEL possédant un niveau dintensité minimal corrélé à une température de consigne ; et (4) un capteur de température monté à proximité de la DEL et conçu pour détecter une température à proximité de la DEL. Le capteur de température peut transmettre un signal au régulateur de courant si la température captée excède la température de consigne. Le régulateur de courant peut ensuite prendre les mesures nécessaires pour réguler le courant afin de maintenir lintensité déclairage de la DEL au-dessus du niveau dintensité minimal.

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