Let us not forget what the date is today. Ruth
At 11:24 AM -0500 4/1/04, Becker, Dan wrote:
>I thought that y'all might be interested in this item that just arrived
>in today's TidBits newsletter (TidBits is Macintosh news useless to most
>of you, but this particular item might have an effect on a number of
>you).
>
>I know ][<en is particularly interested in Tesla applications.
>
>__________________________________________________
>Dan Becker, Exec. Dir. "Oh joy! Rapture! Now
>Raleigh Historic I have a brain!"
>Districts Commission - Scarecrow
>[log in to unmask]
>919/807-8480
>
>
>
>Tes-La Charges Laptops Wirelessly
>---------------------------------
> by Glenn Fleishman <[log in to unmask]>
>
> Building on the success of short-range induction charging, such
> as is used in the MobileWise wire-free electric power technology,
> Posicharge, Inc. has introduced the latest advance to wireless
> networking technology: the Tes-La passive energy charging system.
> When a Wi-Fi hotspot adds Tes-La coils to their wireless gateways,
> your laptop pulls voltage from the air using a system similar to
> that which allows drivers to debit charge accounts as they zip
> through special toll gates.
>
><http://www.mobilewise.com/>
><http://www.tes-la.us/>
>
> A laptop requires a special antenna-like adaptor that replaces the
> power adapter that comes with the machine. Although power can be
> transmitted over thousands of feet, its strength dissipates as you
> move away from the Tes-La coils. It's highly recommended that you
> wear a grounding strap or constantly touch metal while using the
> Tes-La system to avoid static discharge (Posicharge offers a pair
> of grounding straps designed to look like fashionable wrist
> apparel instead of cheap Velcro straps).
>
> What's fascinating about Tes-La is that it's not a dumb system:
> it uses a power delivery protocol called TCP/EP, or TCP over
> Electrical Power. TCP/EP can be metered by measuring the outgoing
> amperage contained in each packet. A laptop negotiates its power
> needs through the protocol. For example, when you first connect
> the battery is quick-charged to about 70 percent of capacity; then
> the amperage is throttled back to a slow trickle to top off the
> remaining capacity. Another advantage to this approach is area-
> wide power consumption: the system doles out power based on the
> number of users in the vicinity, averaging the outgoing power
> among multiple users.
>
><http://www.tes-la.us/technology/>
>
> However, the Tes-La system is not without its flaws. Sending power
> through the air has been a dream of the modern age since the
> 1920s, but the dangers associated with it can't be understated.
> One of Posicharge's competitors, Noside Connections, alleges
> that if one were to place a dog in the direct path of a Tes-La
> transmitter, the animal would be fried in a manner of minutes
> (Noside assured us that the example is theoretical, and that
> no animals have been tested in this manner).
>
> Posicharge, in response, notes that the Tes-La system is designed
> to step down its power when it senses interruptions, and that dogs
> are rarely found in the cafes and other public establishments in
> which Wi-Fi is traditionally offered.
>
> Tes-La should be available in the United States once the FCC, FDA,
> FAA, USDA, NSA, DHS, and other governmental agencies provide their
> approval.
>
>--
>To terminate puerile preservation prattling among pals and the
>uncoffee-ed, or to change your settings, go to:
><http://maelstrom.stjohns.edu/archives/bullamanka-pinheads.html>
--
Ruth Barton
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Dummerston, VT
--
To terminate puerile preservation prattling among pals and the
uncoffee-ed, or to change your settings, go to:
<http://maelstrom.stjohns.edu/archives/bullamanka-pinheads.html>
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