Patent ID: 8913952

Claim:
A reinforced concrete element comprising: a reinforcing bar; concrete, the reinforcing bar being surrounded by the concrete; a ferrite layer attached to the reinforcing bar; a patch wrapped around at least a portion of the reinforcing bar and including a wireless power receive coil, a rechargeable battery, and a transceiver, the patch being attached to the reinforcing bar with the ferrite layer between the patch and the reinforcing bar; at least one measurement sensor attached to the reinforcing bar; an antenna attached to the reinforcing bar, wherein the antenna is in communication with the measurement sensor and can transmit measurements from the measurement sensor; and a resonator patch comprising an external coil, the resonator patch being located on an external surface of the concrete, the power receive coil facing the external coil, the external coil generating a magnetic field near the power receive coil to charge the rechargeable battery.