A cardiorespiratory alert system is described which comprises a patient unit which communicates with a caregiver unit, via an optional central base station in a Hospital Configuration, or via a base station in an Alternate Site/Home Configuration. A number of techniques are employed to provide a system...http://www.google.ca/patents/US5564429?utm_source=gb-gplus-sharePatent US5564429 - Method of identifying valid signal-carrying channels in a cardiorespiratory alert system
