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wilber_xbox
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Re: Useful Wireless Charging Application
wilber_xbox   1/27/2015 6:55:36 AM
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I think that the magnetic field generated by car charging stations will be quite a lot and can be felt at a distance, though not sure of the details. Can it be a hazard for human as we have seem in High voltage transmission wires?

Also, what kind of power transmission efficiencies can we expect by these systems?

Anand.Yaligar
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Re: Useful Wireless Charging Application
Anand.Yaligar   1/18/2015 1:38:57 PM
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@larrym99: Wireless charging is good, especially because the cables that come with chargers tend to get snapped after a couple of months, and wireless means that we don't have to spend our money buying cables. Secondly, a wireless charging dock in the car would be a great feature.

waaromikke
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Re: kW for kilowatt
waaromikke   1/14/2015 5:08:31 AM
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kW or Kw looks like a human vs machine battle. The auto-correct machine won :-(

dadeus
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Re: Useful Wireless Charging Application
dadeus   1/13/2015 2:09:53 PM
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Just don't leave your wallet in the car or you may find all your cards erased in the morning.

LarryM99
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Useful Wireless Charging Application
LarryM99   1/13/2015 2:03:18 PM
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I've never been all that excited about wireless charging of cell phones. It seems marginally useful to me, more of a gimmick than a really useful feature. I must admit, however, that I like the idea of a wireless charger for an electric car. That seems like something that would be more appealing than having to remember to hook up a cable every night and remove it the next morning. Granted, this is not a major operation, but I would seriously consider buying it.

Larry M.

Violoncelles
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kW for kilowatt
Violoncelles   1/13/2015 3:41:53 AM
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Thank you Jessica for your paper.

Just a detail to correct : Qualcomm provides 3.3 kW, 6.6 kW, and 20 kW .
W (uppercase) is the symbol for a watt because it comes from the scientist Watt.

m (lower case)is the symbol of a meter  (noone named Meter invented the meter)

Jessica Lipsky
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Toshiba
Jessica Lipsky   1/12/2015 3:05:23 PM
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Steve Taranovich covered wireless charging as well - check out his article on Toshiba's CES announcements for more details

http://www.eetimes.com/document.asp?doc_id=1325244&

Jessica Lipsky
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Racing
Jessica Lipsky   1/12/2015 3:03:33 PM
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As a child who watched a lot of NASCAR (or, rather, was subjected to too much NASCAR), I'm slightly sad at the prospect of cars charging wirelessly on the track. Watching the pit was one of my favorite parts - at least something happened there besides driving in circles!



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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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