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Re: About wireless energy transfer

Original poster: "Gav D" <gdingley@xxxxxxxxx>

Hi all,
Tesla did actually experiment with this form of wireless transmission,
where he ran a loop around the inside perimeter of his lab, powered by
a mercury break disruptive discharge system, i.e. the primary circuit
of a tesla coil. He then picked-up the power with small tuned circuits
mounted inside low pressure air lamps and the like, like the
photographs of him holding an energised lamp. Tesla actually said the
effect was quite stunning to guests, but in fact was a very
inefficient way of broadcasting power, and so concentrated on the
ground current system we all know and love.

Gavin

On 2/5/07, Tesla list <tesla@xxxxxxxxxx> wrote:

Original poster: Mddeming@xxxxxxx

In a message dated 2/5/07 12:02:42 A.M. Eastern Standard Time,
tesla@xxxxxxxxxx writes:
  Did you find anything in that paper which was new other than the
fancy simulations and graphics and obscure terminology?  I read it
when it first came out and seems to me those guys think they're the
first ones to discover that two resonant circuits tuned to the same
frequency will couple energy and that the higher the Q the better the
coupling?
They don't seem to claim anything unreasonable in the way of
efficiency.  Although they mention a Tesla patent (Wardenclyffe
transmitter with no receiver mentioned)  I don't think they are at
all aware of his World Power System patents or what he was doing at
Colorado Springs over 100 years ago.  His big "primary around the
room" with tuned coils inside it pretty well represents their
proposed laptop computer charging setup.

  I'd be interested in your comments as the paper annoyed me and I
was surprised it got published.

Ed

Hi Ed,

I think the operant phrase in the article was, "The effect, which has
not yet been demonstrated..." I found this revelation, which sounds a
lot like the "wireless energy transfer" that takes place between the
primary and secondary of any Tesla coil, to be completely "under-whelming".

Matt D.

"He who will not learn the lessons of history is doomed to repeat the
11th grade".