[LINK] Our wireless world...
Kim Holburn
kim at holburn.net
Tue Nov 28 15:56:28 AEDT 2006
I remember a story I heard on the ABC a very long time ago about a
man who could hear ABC radio in his filling!!!
On 2006/Nov/28, at 2:15 PM, Ivan Trundle wrote:
> But now, to add to this matrix - an article in New Scientist (Tech):
>
>> Sony's Tokyo research lab has found a way to connect headphones to
>> portable music and video players without the need for fiddly
>> wiring. They simply feed an audio signal straight through the
>> listener's body.
>>
>> Existing wireless headphones use Bluetooth radio, but this means
>> pairing two devices beforehand and is prone to interference from
>> other equipment. Another approach – infra-red – relies on line-of-
>> sight, which is rarely practical.
>> "The new system uses the listener's body as a capacitor that
>> carries a tiny electrostatic charge. A music or video player sends
>> a fluctuating signal to a conductive cloth pad – such as a wrist
>> band – and this slightly charges the wearer's body. A pair of
>> conductive ear pads in the headphones pick-up the signal and
>> rapidly convert it back into sound.
>>
>> Just a few millionths of an amp flow through the wearer's body, so
>> there should be no nasty tingling effect. ...
> I can see where all this is leading. It won't be long before human
> bodies will need batteries, too. And more tinfoil.
> Invention: body-wired headphones
> http://www.newscientisttech.com/article.ns?id=dn10663&feedId=online-
> news_rss20
--
Kim Holburn
IT Network & Security Consultant
Ph/F: +61 2 62577881 M: +61 417820641
mailto:kim at holburn.net aim://kimholburn
skype://kholburn - PGP Public Key on request
Democracy imposed from without is the severest form of tyranny.
-- Lloyd Biggle, Jr. Analog, Apr 1961
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