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JAK620
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re: Qualcomm, Renault team on wireless electric vehicle charging
JAK620   7/25/2012 6:20:23 PM
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Hmm... wireless charging sounds pretty cool. But that is a lot more energy in the air than that of radio, Satellite, or cell phone signals, isn't it? I am more interested in see the environmental and healthy study results of the impact of the wireless charging signal on human body. Cancers?

krisi
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re: Qualcomm, Renault team on wireless electric vehicle charging
krisi   7/25/2012 1:46:32 PM
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I think wireless charging for phones will take off...convenience trumps energy waste in this case (and waste is small here)...Kris

krisi
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re: Qualcomm, Renault team on wireless electric vehicle charging
krisi   7/25/2012 1:40:00 PM
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Conductive tracks on the road? Interesting idea...but wait, we already have electric trains, electric street cars in the city and trolley buses with conductive tracks in the air! Kris

Peter Clarke
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re: Qualcomm, Renault team on wireless electric vehicle charging
Peter Clarke   7/25/2012 11:40:34 AM
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Reminescent of the Scaletrix race car game where toy cars were powered through copper brushes that sat in a metal track. The plug-together race-track usually had two such tracks and shaped in a figure of 8 with single bridge to make the distance to travel the same for both cars.

prabhakar_deosthali
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re: Qualcomm, Renault team on wireless electric vehicle charging
prabhakar_deosthali   7/25/2012 10:43:21 AM
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and this conductive guide way could be con contact less using the same principle as the scheme above proposes.

prabhakar_deosthali
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re: Qualcomm, Renault team on wireless electric vehicle charging
prabhakar_deosthali   7/25/2012 10:41:31 AM
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Instead of wireless charging using the charging pads, if this technology can be extended to have conductive guide way on the road itself , using which one can directly drive the EV ( no need to charge) then that I could call a pulling factor to go for EVs. The on board batteries will be used only on the road patches where there is no such conductive guide way.

Peter Clarke
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re: Qualcomm, Renault team on wireless electric vehicle charging
Peter Clarke   7/25/2012 10:06:27 AM
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There is an argument that if it is less efficient in energy transmission that conducted charging it would be irresponsible to deploy it. You would be trading convenience today for global warming tomorrow.

Peter Clarke
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re: Qualcomm, Renault team on wireless electric vehicle charging
Peter Clarke   7/25/2012 10:04:19 AM
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Qualcomm is also working on wireless charging of mobile phones and other consumer devices

krisi
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re: Qualcomm, Renault team on wireless electric vehicle charging
krisi   7/25/2012 4:14:04 AM
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I am sure this technology will find some applications Joshua Smith gave an excellent plenary on this topic at emerging technologies meeting in Vancouver last week, www.cmoset.com But I am skeptical in applications of battery charging

elctrnx_lyf
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re: Qualcomm, Renault team on wireless electric vehicle charging
elctrnx_lyf   7/25/2012 3:51:22 AM
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This could be a thing of future. As long as it doesn't cost much and provides the same charging effieciency I'm in for it.

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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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