The
era of wireless charging!
Maybe
the power cable of home appliances will soon disappear. As the technology for
wirelessly transmitting power is evolving, there is an increasing number of
products that can actually use wireless charging technology. Recent news tells
that recently released smartphone has built-in wireless charging function and
US MIT has recently developed the wireless charging technology using WiFi.
How
far has wireless charging technology been developed?
Patent
applications for wireless charging technology are increasing year by year. In
Korea, the number of patents that include 'wireless charging' in the invention
title has increased rapidly since the second half of 2000.
wipsglobal.com / WIPS Global, worldwide patent search database
<patent application status of the wireless charging technologies>
As
technology develops, the area of use is also expanding. Recently, Samsung
Electronics' patent application specification has been about wireless TV
without power cable.
wipsglobal.com / WIPS Global, worldwide patent search database
<patent filed by Samsung Electronics on the wireless charging display>
In
addition, a wireless charging device can be installed in the cradle to charge
an electric bicycle or an electric motorcycle. Also patent application is being
made to various related technologies that enables to be installed in the
parking space to charge the battery of the armature door without a separate
plug.
wipsglobal.com / WIPS Global, worldwide patent search database
<a patent on the wireless charging>
When
will real wireless charging be realized?
In
fact, wireless charging products that are on the market today are not really
wireless charging. It must be attached to the wireless charging pad, and it can
not move while charging, so it is correct to say that it is contactless
charging. To compensate for these drawbacks, research has been underway on
various wireless charging technologies such as magnetic resonance and
electromagnetic waves. In the near future, the time will come to charge the
battery easily without worrying about the battery anywhere.
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