Patent ID: 7048383
Filing Date: 2006-05-23
Classification: F21V,F21W,G03B,H04N,H05B

Abstract:
1. A stage lighting apparatus comprising: an image projection lighting device for operation in theatrical fog comprising: a base housing; a yoke; a lamp housing; a motor which can change the position of the lamp housing in relation to the yoke; and a motor which can change the position of the yoke relation to the base housing; further comprising a processing system; a communications port; the lamp housing comprising: the base housing comprising a video display device that can display multicolored images of content to an operator; wherein the cooling fan, the air first inlet and the first air filter together form at least part of a filtration system for filtration of theatrical fog particles; wherein cooling air external to the lamp housing enters the lamp housing through the first air inlet to pass through the first air filter to form a first filtered air; and wherein a first communication as to a status of the first air filter to a technician is accomplished by projecting an image from the lamp housing of the image projection lighting device.