[OPLIN 4cast] OPLIN 4cast #549: Long distance Wireless Charging

Wed Jul 5 10:30:13 EDT 2017

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OPLIN 4cast #549: Long distance Wireless Charging
July 5th, 2017

[image: charging icon] Anyone who has had to renovate their library to
accommodate the need for multiple patrons to charge their electronic
devices can get behind the idea of long-range wireless charging: simply
walk into a room and have your device start to charge. Wireless charging is
currently available through the use of charging pads, using a technology
called inductive charging. Inductive charging requires physical contact,
like placing a smartphone on a charging surface.  Long range wireless
charging would eliminate this need. However, the technology is still in
it's infancy as researchers work through different delivery strategies.

   -
   - Wireless charging is a great idea. So why hasn't it happened?
   <https://www.usatoday.com/story/tech/columnist/baig/2017/06/01/wireless-charging-great-idea-so-why-hasnt-happened/102333110/>(USA
   Today |Edward Baig) "The broad promise is that wireless power schemes will
   supply juice not just to the phones and computers you carry, but to hearing
   aids and other wearables, sensors inside connected devices around the home
   and in businesses, even electric vehicles. No cables, wires or charging
   pads needed. So what's the hold-up? While the technology has shown itself
   to work to some degree, it's hard to do over distances. It's very early:
   the potential solutions in development are incompatible with one another,
   in various stages of progress and aimed at different corners of the
   consumer and industrial market."
   - Apple Patents Long-Range Wireless Charging
   <https://www.pcmag.com/news/353392/apple-patents-long-range-wireless-charging>
   (PC Magazine | Tom Brant) "Apple's patent was awarded a little more than a
   month after Sony received one
   <https://www.pcmag.com/news/352442/sony-patent-wants-every-gadget-to-double-as-a-wireless-charg>
   for a similar wireless charging concept, which envisions charging antennas
   embedded in a wide variety of consumer devices"
   - Disney reveals room-filling, wireless-charging breakthrough
   <http://mashable.com/2017/02/21/disney-solves-real-wireless-charging/#5nLo3smhX5qt>
   (Mashable | Lance Ulanoff) "Researchers built a free-standing room with
   aluminum panels covering the walls, floor and ceiling. In the center of it,
   a two-inch copper pipe runs vertically from floor to ceiling (We said it
   was ugly). Electric current runs down through the pipe, into the floor, up
   the walls, over the ceiling and back into the pipe, looping at 1.3 million
   times per second. That looping electricity creates a room-filling magnetic
   field that runs in a circular pattern perpendicular to the pole."
   - Long-Range Wireless Charging: Not Quite There Yet
   <https://www.pcmag.com/news/352157/long-range-wireless-charging-not-quite-there-yet>(PC
   Magazine | Haniya Rae) "There is an enormous pent-up consumer demand for a
   long-range wireless charging technology which would enable devices such as
   smartphones, tablets, fitness bands
   <https://www.pcmag.com/article2/0,2817,2404445,00.asp>, and health
   sensors to operate continuously without having to be plugged in or placed
   on a charging mat every day," says Matthew Reynolds, associate professor of
   Electrical Engineering and Computer Science & Engineering at the University
   of Washington. "But long-range wireless charging has been held back by
   safety, efficiency, and cost."

*Articles from Ohio Web Library <http://ohioweblibrary.org>:*

   - Samsung Galaxy Round Unboxed; Long Distance Wireless Charging Set for
   2014
   <http://search.ebscohost.com.proxy.oplin.org/login.aspx?direct=true&db=bwh&AN=514208.20131016&site=ehost-live>(International
   Business, T. (2013, October 16). Samsung Galaxy Round Unboxed; Long
   Distance Wireless Charging Set for 2014. *International Business Times*.
   )
   - Powering the Next Billion Devices with Wi-Fi.
   <http://search.ebscohost.com.proxy.oplin.org/login.aspx?direct=true&db=buh&AN=121488286&site=ehost-live>(Talla,
   V., Kellogg, B., Ransford, B., Naderiparizi, S., Smith, J. R., & Gollakota,
   S. (2017). Powering the Next Billion Devices with Wi-Fi. *Communications
   Of The ACM*, *60*(3), 83-91. doi:10.1145/3041059)
   - Cutting the Cords
   <http://search.ebscohost.com.proxy.oplin.org/login.aspx?direct=true&db=buh&AN=110606923&site=ehost-live>.(FRANK,
   M. (2015). Cutting the Cords. *Entrepreneur*, *43*(12), 56-57.)

------------------------------
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