If you were going to build only one of these patents, try this one. It is apparently the way Tesla was going to ultimately feed power into the wireless transmission system. Apparently nobody has yet built this simple, elegant receiver.

See Also

Apparatus for the Utilization of Radiant Energy - 685957
Contractive Electricity vs Radiant Magnetism
Figure 16.07 - Magnetism is Radiant while Electricity is Concentrative or Assimilative
Irradiance
Law of Variation of Atomic Pitch by Rad-energy
Nikola Tesla
Rad-energy
Radiance
Radiant
Radiant Energy
Radiant heat
radiant matter