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> Researchers Invent Tiny Generator for mobiles
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Georgia Tech researchers have actually invented a tiny power generator small enough to power mobile devices, like smart phones.
The generator, called a microengine, is about the size of a 10 pence coin,and lasts about 10 times longer than regular batteries.
The generator works by spinning a tiny magnet at 100,000 revolutions per minute over a mesh of coils built onto a chip, generating 1.1 watts of power.
The scientists hope to jack that up in future versions to as many as 50 watts strong enough to run a notebook PC.
Although researchers have been working on tiny generators for years, the Georgia Tech device is the first one powerful enough to juice a phone.
The inventors are doctoral candidate David Arnold, postdoctoral fellows Dr. Iulica Zana and Dr. Jin-Woo Park, and Professor Mark Allen, in the School of Electrical and Computer Engineering at Georgia Tech and a team from MIT: Sauparna Das and Dr. Jeffrey Lang in the Department of Electrical Engineering and Computer Science.
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Posted: 2004-11-24 14:13:49
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Could this signal the beginning of the end of conventional batteries? Smaller, last longer, they will help with the length of time between charging, and the form factor.
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Posted: 2004-11-24 14:17:48
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yeah.. but it's going to be mighty hard to yank at a small thread to get the generator going.
unlimited bluejacking maybe?
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Posted: 2004-11-24 16:50:33
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Would come in handy since im charging mine constantly. U said for smart fones,so would be better for smaller fones then.
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Posted: 2004-11-24 17:01:55
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batteries really are the lagging technology of all our latest equipment and nothing much has changed in the last few years regarding lithium batteries.
I can't believe I still use the same AA or AAA batteries in some of my stuff that I used in similar stuff 10 years ago! mind you, electronics have gotten better so the batteries are not consumed so quickly
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Posted: 2004-11-24 17:04:46
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yeah but with all the thing packed into todays mobiles and the size of the screens, putting a tiny battery into the phone wont make much difference to the size of the phone anyway will it? and those of us who charge our phones every night really wont notice any difference.
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Posted: 2004-11-24 17:12:00
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Quote:
On 2004-11-24 17:04:46, masseur wrote:
I can't believe I still use the same AA or AAA batteries in some of my stuff that I used in similar stuff 10 years ago!
10 years only. It's more like 20/30 years...
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Posted: 2004-11-24 17:23:53
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Thats all great but how do you refuel the engine, mobiles aren't allowed in petrol stations, i can just imagine the station attendant going nuts as you wave your phone about the pump trying to get petrol into it. And can you imagine having to take it to a garage to get it serviced, them there's the exhaust fumes, and the boy racers sticking bigger exhausts on their phones to make it sound like they got a beefier engine in it :-D:-D:-D
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Posted: 2004-11-24 17:32:51
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Anything that can make a mobile electronic device last longer is good.
Apart from a nuclear phone. Wouldn't like to put that in my pocket.
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Posted: 2004-11-24 17:33:53
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hehehe getting a little ahead of ourselves, aren't we? It will alter the form size, phones will be much thinner.
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Posted: 2004-11-24 17:52:46
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