US Patent 11588518 Communication apparatus and method thereof

An apparatus includes a rectifier having a first input coupled to a first terminal of a receiver coil and a second input coupled to a second terminal of the receiver coil, wherein the rectifier is configured to convert an alternating current voltage into a direct current voltage, a first communication network connected to the first input of the rectifier, and a second communication network connected to the second input of the rectifier, wherein the first communication network and the second communication network are controlled independently to adjust a gain of a wireless power transfer system.