Sound Adaptive Cooling System for a Stage Light

摘要

A sound adapting luminaire produces an amount of cooling output that depends on the ambient sound. When the ambient sound is high, the lamp is cooled more aggressively, since more fan noise is acceptable.

主权项

1. A lighting device, comprising:
a lighting fixture that emits light based on an electrical controlling signal; an electrically controllable variable fan, coupled to cool said lighting fixture; a controller, which controls a speed of said fan between multiple different speeds, based on an amount of sound in an area; said controller setting said fan to a level of fan speed that is higher when the amount of sound is higher, and is lower when the amount of sound is lower.