Over the holidays, the US Patent & Trademark Office published a patent application from Samsung relating to a new wireless charger using inductance coils. Some additional and optional capabilities of the charger maybe provided. In particular, a source of ultra-violet radiation may be embedded in the charger for disinfection of the charged device by destruction of microorganisms on a surface of the mobile device.
Samsung's patent FIG. 4C noted below is a view illustrating the distribution of the magnetic field generated by the various configurations of the structure of the transmitting coil, in which electric current flows in the same direction.
For those interested in reviewing this invention in-depth, see Samsung's patent application 20140375258 here. Samsung has many patents regarding future wireless charging systems and below are just three of many on record.
Samsung Invents Wireless Charging System and Charging Kiosk Oct 2014
Samsung Invents a New Wireless Charging System with a Twist March 2014
Samsung Invents 3D Orientation-Free Wireless Power Transfer November 2013
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