A NON-CONTACT ELECTROCARDIOGRAPHY MONITORING CIRCUIT AND A METHOD FOR NON-CONTACT ELECTROCARDIOGRAPHY MONITORING AND AN APPRATUS FOR ELECTROCARDIOGRAPHY MONITORING

摘要

Non-contact electrocardiogram measuring circuit according to an embodiment of the present invention comprises a non-contact measuring unit for obtaining and outputting the measurement signal of the signal source in a non-contact; An amplification controller for amplifying the measurement signal and outputting the amplified signal to an output terminal; And an input impedance calibration circuit connected to the input terminal and the output terminal of the amplifying controller and performing background calibration of the input impedance during the ECG measurement mode operation of the amplifying controller.