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The piezo industry is large and growing rapidly, and is highly technical, well beyond my abiity to understand it. But I do know one of its products is a flexible plastic sheet which produces electric power if you deform it. My halfbaked question is, would insoles of this sheet in my boots produce enough
power to run toe-lights, or give an attacking dog a shock?
The Electric Shoe Company
http://www.theelectricshoeco.com/
Sadly, this is still all future tense, and hasn't changed in a while. [jutta, Sep 15 2000]
Ceramic cloth
http://www.usseal.c...frames/textiles.htm
[Scott_D, Sep 15 2000, last modified Oct 21 2004]
After the clockwork radio...
http://www.zdnet.co...000/1/ns-12558.html
...walk this way to charge your cellphone. [angel, Sep 15 2000, last modified Oct 21 2004]
Parasitic Power Harvesting in Shoes
http://www-csl.cs.c...pers/kymissis98.pdf
Magnetic motor is two orders more efficient than piezo, but piezo is pretty good already (compared to e.g. a lithium battery), and you don't have to drag the clunky motor around with you. [jutta, Sep 15 2000]
Link from JKlewer
http://www-white.me...ne/TR328/node6.html
[jutta, Sep 15 2000]
Soon, mobiles to run on your body's energy!
http://www.webindia...d=44713&cat=Science
"You may not need to rely on batteries to charge up your MP3s and mobile phones for soon your body may become the energy source for all these gadgets." [bristolz, Oct 04 2004]
[link]
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I thought about the possibilities of this in terms of both shoes, and even ceramic cloths, although how ceramic cloth is made, and its properties, is still a mystery to me. |
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What about powering mobile equipment like phones, CD players, MP3 players, or safetylights for sportsmen who like to train at night ... All would be possible in a few years I hope. |
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However, the problem is that current piezomaterials aren't efficient enough, or not bendable enough. |
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[See link. -jutta]| — | JKlewer,
May 03 2001, last modified May 19 2001 |
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As someone who walks for exercise about 3 miles a day, I would look into something that would power my cell phone or mp3 player instead of batteries. |
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In a wierd way don't they do this already with the light up shoes for kids? Every step they take lights up the LED's in their shoes. |
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hera you go, Hook it up to a guitar wielding musician and the taps of his feet over the course of a long show would power the entire show! |
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Excellent ideas indeed in the future I cannot see us all buying batteries. Piezo crystals produce high voltage for short periods .. not much power so they can only power very low power devices. A lighter clicker for instance could power a watch. Changes in temperature and air pressure could be used to power very small devices. The headlight shoes are a great idea, LEDs have become very efficient and a flash is all you need! Perhaps decoration would be the main use though. I am a design engineer and am at present working on a device which I can't mention here but generally the future is bright for piezo energy.
Brian Mac Aree, Killaloe, Ireland
http://www-macaree.org |
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Perhaps a return to hypercolor shirts, except instead of heat, it's electric. (Dee dee dee di-dee di-di-dee-deee, dee dee dee di-doo) |
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