50kHz ultrasound in the demo.
I expect the efficiency to be terrible, which will be the failure point. Do you want to have an always-on 300W device just to avoid finding a cord?
I expect the efficiency to be terrible, which will be the failure point. Do you want to have an always-on 300W device just to avoid finding a cord?
So I would imagine the ceiling mounted charging station would be a fairly heavy duty outfit with a multi-kW rating if it is to be able to service a large room.