Invention Grant
US07825918B2 System and method for applying power to high intensity discharge lamps 有权
向高强度放电灯施加电力的系统和方法

System and method for applying power to high intensity discharge lamps
Abstract:
A liquid crystal display television receiver projection system uses a controller responsive to a first signal by providing power to a first set of circuits of the system. The controller is responsive to a second signal by removing power from a second set of circuits of the system;A timer defines a time interval between an instance of a power off signal and an instance of a power on signal. In the event a user issues a power on command before the first interval has elapsed, power will be applied to circuits other than the lamp The lamp will remain de-energized until the first interval has elapsed. Therefore, a user is prevented from re-striking the lamp.
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