US Patent 9941981 Body coupled communication device

Body coupled communication device (200; 201) arranged to receive signals via a body transmission channel (260), the device (200) comprising —two couplers (202, 204) arranged to receive a body-coupled signal from the body transmission channel (260), the body transmission channel (260) being formed by a body of a user (150) when the body is in the direct vicinity of the couplers (202, 204), —a receiver amplifier (206) coupled to at least one of the two couplers, —an inductance (220) for matching the impedance of the receiver amplifier, the inductance being arranged in parallel to the couplers.