Patent ID: 7468711
Filing Date: 2008-12-23
Classification: F21W,H04N

Abstract:
1. A system for projecting light onto a projection surface comprising: a lighting device adapted to project light onto the projection surface, wherein said lighting device has one or more adjustable parameters; a camera adapted to capture images from the projection surface; a communications system connecting said lighting device and said camera; and a central controller connected to said communications system, said central controller including a visual display device and said central controller adapted to control the one or more adjustable parameters, wherein the captured camera images of the projection surfaces are transmitted over said communications system to said central controller and are displayed on the visual display device, and wherein said central controller includes controls that allow an operator to manually control the one or more adjustable parameters and also to allow portions of said images captured by said camera to be displayed by said lighting device wherein said lighting device further comprises a main projection lamp having a projection focusing lens, wherein the projection focusing lens is adjusted by commands sent over the communications system by said central controller in response to manual adjustments input by the operator viewing images captured with said camera and displayed at said central controller.