[Ham-Computers] Intel's wireless power project

[Philip (KO6BB)]

It says "magnetic", but what do you want to bet that it's RF (look at the 
coil inductance), and what do they mean by "low power"?  If it can light a 
light bulb at a couple feet, I'd think that this stuff could disrupt 
communications at a much greater distance!

73 de Phil,  KO6BB
http://ko6bb1.multiply.com/
http://members.lycos.co.uk/ko6bb/

DX begins at the noise floor!
RADIO/Antennas: Yaesu FT-2000, Two Modified Mini-whips.
Homebrewed 6Hz Filter, Modified MFJ-1040C Pre-Amplifier.
Merced, Central California, 37.3N 120.48W  CM97sh

----- Original Message ----- 
From: "Hsu, Aaron (NBC Universal)" <aaron.hsu at nbcuni.com>
To: <antennas at mailman.qth.net>; "I>Ham-Computers" 
<Ham-Computers at mailman.qth.net>
Sent: Thursday, February 26, 2009 9:20 PM
Subject: [Ham-Computers] Intel's wireless power project


> Hi all,
>
> Not necessarily HAM related, but the concept looks antenna related...
>
> I was at this past January's CES (Consumer Electronics Show) and
> wireless battery charging and wireless lighting products using inductive
> fields were some of the more "exciting" products.  However, the power
> levels are low and the range is short (6 to 8 inches max).  Check out
> what Intel is working on here:
>
> http://www.gearlog.com/2009/02/video_intels_wireless_power_co.php
>
> It's only a lightbulb, but they originally intended to power a PC.  If
> you look out the window of the video, you can spot a "huge" version of
> the coil powering the lightbulb.
>
> It looks like a 2-element coil array - a directed step-up transformer?
> What looks like the "active" element is a single loop about 12 inches in
> diameter.  What looks like a "director" is about 30 (?) inches in
> diameter (OD) - the outer 4 (or so) inches of the "director" is a coil
> of about 6 loops of copper - the rest of the "inner" part of the
> "director" is empty.  The receiving coil is a coil of about 8 loops of
> copper about 12 inches OD.  It's about 18-inches away from the
> "director" and they say the effective range is about 3 feet.  The bulb
> is pretty well lit - looks like a stanard 40 or 60 watt incandescent
> bulb.  Still years away probably - I'm sure one hang-up will be health
> concerns.
>
> Pretty neat stuff.  Posted for your amusement.
>
> 73,
>
>  - Aaron, NN6O
>
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