Canal projection system, has projectors, and computer system for producing picture signal that produces or plays picture inlay and overall picture, where inlay can be projected into overall picture on projector using deflecting mirrors
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3-D projection system with an image source and / or an image display device
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Method and system for multichannel projection allowing large projection areas
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Video and data projection screen is protected from contact damage by sensors located behind the screen
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Compensation of the projection and optic axes for projections with several projectors to improve the congruence
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Reducing water, energy consumption of combination, heating and hot water heating devices during cold start for supplying hot water involves pre-heating heating system to operating temp.
