White light from LED Message Board

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Technology Stocks : White light from LED

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To: John Finley who wrote (387)	12/13/2000 9:40:57 PM
From: kinkblot	Read Replies (1) of 565

I tried this in a Sharper Image store: sharperimage.com windupradio.com Energy from hand-cranking is stored in a carbon steel spring: A full spring wind (60 turns) provides a LED shine time of approximately 10 minutes. The three high-efficiency white LEDs still come up a bit short of useful light output, imo. On the box they claim to have a patent on the "Spring Engine" power source; apparently this refers to US #5,917,310 - Spring operated current generator for supplying controlled electric current to a load. windupradio.com - Trevor Baylis, inventor Also available from Innovative Technologies: Self-Heating Meals. Just add water to initiate an exothermic reaction. WT

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