Patent ID: 8725311

Claim:
A vehicle, comprising: a seat in which an occupant sits during use of the vehicle; and a monitoring system for monitoring the occupant in said seat, said monitoring system comprising: a plurality of sets of electric field antennas, each of said sets including at least one antenna; a control unit connected to said sets of antennas, said control unit including selectors coupled to said antennas and controlling said selectors to obtain signals from one or more of said antennas serving as receiving antennas and one or more of said antennas serving as sending antennas, said control unit determining which combination of one or more of said antennas serving as the sending antennas and one or more of said antennas serving as the receiving antennas provides a strongest signal in at least one of an expected heartbeat range and an expected respiration range of the occupant and then monitoring this determined combination for at least one of changes and deviations from a normal range of at least one of heartbeats and respiration rate.