Nick Foley's gorgeous pear light...
A hand forged hollow steel tree is the charging station for three urethane pear-lights. Each pear contains ten ultrabright white LEDs, an autonomous charging circuit, and rare-earth magnets that allow it to be "picked" from the tree and remain fully illuminated for over an hourPear light - Link.
Posted by Phillip Torrone |
Sep 6, 2007 04:00 AM
Arts |
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I want to know how they made those lights to charge.
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If i were designing it, charging would be simple...
each "pear's" "stem" would consist of a ring enclosing a circle(imagine a bullseye-style target) the center would be a magnet (or simply a piece of ferrous material), which acts as (or is surrounded by) the positive contact. the ring would be a non-ferrous ground contact. The tree would have matching sets of these tip-ring style connectors for the pears to charge at....
however, if they wanted to be complicated, they could use an electric toothbrush style induction charger.
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Hey - thanks for the interest.
The pears charge by having a set of copper contacts where the "stem" would be. On the pear, they appear as a series of copper dots that are flush with the surface. On the tree, springloaded tabs make sure you get a solid electrical connection no matter how you place the pear on the tree.
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Beautiful. And awesome.
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