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Image projection lighting device displays and interactive images

United States Patent

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February 3, 2009
View the Complete Patent at the US Patent & Trademark Office
Portable Gas Leak Detection System
An improved multiparameter lighting fixture is provided comprising a base, a yoke, a lamp housing, and a communication port for receiving address and command signals. The lamp housing may be comprised of a lamp, a light valve, and a lens. The lamp, the light valve and the lens may cooperate to project, for example, an ownership image, a fixture identifier image, a time identifier image, a show identifier image, a content identifier image, or an effects identifier image. The lamp, the light valve and the lens may cooperate to produce a first image on a projection surface and a second image may be created from the first image by applying an interactive effect to the first image in response to an image captured by a camera.
12/ 048,319
March 14, 2008
H04N 9/31 (20060101)