Development and Application of Wireless Power Transmission Systems for Wireless ECG Sensors

Figure 1

Wireless power transmission system. (a) Circuit in which the transmit coil (L₁) and the receive coil (L₂) are combined (top), an equivalent circuit of the transmit/receive coil (L₁–L₂) (bottom). (b) A circular transmit coil (Tx coil, top) and an elliptical receive coil (Rx coil, bottom).

(a)

(b)