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The other thing is that this is probably still transmitting sound when there is nothing to charge? Which would be probably even more of a waste than any transmi
by tommoor 13y ago
The other thing is that this is probably still transmitting sound when there is nothing to charge? Which would be probably even more of a waste than any transmission efficiency
- acadien 13y agoIt would be trivial to build in a sensor that detects when a device that needs charging is within range.
- retube 13y agoReally? How would the charger discriminate between your phone/laptop and any other piece of electrical equipment in the vacinity?
- acadien 13y agoThe simplest method would be to add a short range transmitter to the charging device. You don't have to limit yourself to using the charging technology for that.