| 摘要 |
An electrocardiographic monitoring system in which the heart-signal sensing electrodes are each coupled to the heart-signal monitor/recorder by respective wireless transmitters and corresponding respective receiving wireless receivers in a base unit, each transmitter-receiver combination operating (in the absence of an encoding system) at a separate radio frequency, a zero or reference signal being developed at the base unit and being used to modulate a signal transmitter at the base unit, such modulated signal being received and demodulated by a receiver carried by a right-leg electrode carried by the right leg of the patient.
|
