Lighting system utilizing a display screen for illuminating a predefined area in front of said display screen

作者: Charles P. Hunter

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摘要: A lighting system includes a lens element which redirects light emitted from display screen onto keypad, keyboard or control pad placed in front of adjacent to the such that without disturbing other information on screen, by illuminates panel need for auxiliary sources power sources. simple program modification controls provide appropriate element.

参考文章(5)
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Kent S. Polley, Robert M. Fontaine, Computer keyboard light system ,(1997)
Glen A Oross, Memphis Zhihong Yin, Dennis R Esterberg, Key for use in low light conditions ,(2002)