Long-range wireless charging a reality in new smart-lock – using infrared
Long-range wireless power has been a long-term dream, where a single charger in a single location in our home, can beam power to all of our portable devices. That simply isn’t possible given existing technologies, but smart lock company Alfred has now turned one small part of the dream into reality.
However, rather than use RF energy – which has been the main approach to date – the company has instead turned to infrared …
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