DEVICE FOR AMPLIFYING BIOELECTRIC POTENTIALS Russian patent published in 1998 - IPC

FIELD: medical engineering. SUBSTANCE: device has two electrodes, two differential amplifiers connected to non-inverting inputs, input cable, provisional differential amplifier, four additional differential amplifiers, two low frequency filters, low power floating split power supply source and two resisters as the first version. The second version has two electrodes, two differential amplifiers, input cable, provisional differential amplifier, two additional differential amplifiers, low frequency filter, phase inverter, low power floating split power supply source and two resisters. EFFECT: improved noise immunity. 2 cl, 2 dwg