Massachusetts company plans to market wireless electricity system

jmke · 5th December 2009, 17:55

A Massachusetts company said that within 18 months it will have on the market a wireless electricity system to power -- through the air -- lights, computers, televisions and even the chargers for electric cars.

The announcement was made at the TEDGlobal conference, a gathering of technologists and scientists, that wrapped up Friday in Oxford, England. http://articles.latimes.com/2009/jul...-electricity28

geoffrey · 5th December 2009, 22:37

what about magnetism, magnetic hard drives and people with a pacemaker?

dazzawul · 6th December 2009, 10:41

what about them?

what about AM and FM radio, HAM radios, walkie talkies, mobile phones, and television?

shortanswer · 25th December 2009, 17:38

wireless electricity is still in the nascent stages. It has a long way before mass adaption can bring down the prices and perhaps force manufacturers to offer wireless power supply with the electronics they sell. This site has a a list of wireless electricity providers but most of them listed there provide only OEM support. - wirelesspowersupply.net

wutske · 25th December 2009, 23:07

A hdd is normally protected by it's casing which create a faraday cage. In fact, everything inside a pc is protected from incoming waves.
I just wonder how they are going to deal with regulations. Currently you can't even transmit 1W/m² without breaking regulations. How can they charge a car's battery at a reasonable rate ?

Kougar · 26th December 2009, 05:11

I don't think they can do much of anything. The efficiency of wireless power transfer falls off exponentially as the distance is increased, any sort of long distance power transfer wouldn't be strong enough or viable because of the efficiency dropoff.

5th December 2009, 17:55	#1
jmke Madshrimp Join Date: May 2002 Location: 7090/Belgium Posts: 82,497	Massachusetts company plans to market wireless electricity system A Massachusetts company said that within 18 months it will have on the market a wireless electricity system to power -- through the air -- lights, computers, televisions and even the chargers for electric cars. The announcement was made at the TEDGlobal conference, a gathering of technologists and scientists, that wrapped up Friday in Oxford, England. http://articles.latimes.com/2009/jul...-electricity28 __________________

5th December 2009, 22:37	#2
geoffrey [M] Reviewer Join Date: Nov 2004 Posts: 4,126	what about magnetism, magnetic hard drives and people with a pacemaker? __________________

25th December 2009, 23:07	#5
wutske Member Join Date: May 2003 Location: Apenland Posts: 2,069	A hdd is normally protected by it's casing which create a faraday cage. In fact, everything inside a pc is protected from incoming waves. I just wonder how they are going to deal with regulations. Currently you can't even transmit 1W/m² without breaking regulations. How can they charge a car's battery at a reasonable rate ? __________________ /me = Hardfreak My Blog: [W]eblog

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6th December 2009, 10:41	#3
dazzawul Member Join Date: Feb 2007 Posts: 16	what about them? what about AM and FM radio, HAM radios, walkie talkies, mobile phones, and television?

25th December 2009, 17:38	#4
shortanswer Forum Member Join Date: Dec 2009 Posts: 2	wireless electricity is still in the nascent stages. It has a long way before mass adaption can bring down the prices and perhaps force manufacturers to offer wireless power supply with the electronics they sell. This site has a a list of wireless electricity providers but most of them listed there provide only OEM support. - wirelesspowersupply.net

26th December 2009, 05:11	#6
Kougar Member Join Date: Jun 2006 Posts: 1,640	I don't think they can do much of anything. The efficiency of wireless power transfer falls off exponentially as the distance is increased, any sort of long distance power transfer wouldn't be strong enough or viable because of the efficiency dropoff.