METHOD AND SYSTEM FOR MONITORING VITAL BODY SIGNS OF A SEATED PERSON
First Claim
1. A method comprising the step of using a plurality of doppler radars disposed on the seat belt or integrated into the seat belt for monitoring vital body signs of a person seated in a seat of a motor vehicle.
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Accused Products
Abstract
A method comprising the step of using a plurality of doppler radars disposed on the seat belt or integrated into the seat belt for monitoring vital body signs of a person seated in a seat of a motor vehicle is disclosed. The disclosed method unobtrusively monitors vital body signs like heart rate and respiration of the person seated in the motor vehicle. A number of safety applications as well as wellness applications can be enabled. Examples are detection of momentary sleep of the driver, vital sign monitoring in case of an accident as well as relaxation exercise using biofeedback to reduce stress for drivers.
49 Citations
9 Claims
- 1. A method comprising the step of using a plurality of doppler radars disposed on the seat belt or integrated into the seat belt for monitoring vital body signs of a person seated in a seat of a motor vehicle.
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8. A device comprising a plurality of doppler radars disposed on the seat belt or integrated into the seat belt to monitor vital body signs of a person seated in a seat of a motor vehicle.
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9. A system for monitoring vital body signs of a person seated in a seat of a motor vehicle, the system comprising:
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a plurality of transducers and antennas to transmit electromagnetic signals of a certain frequency into the chest of the person and receive corresponding reflected electromagnetic signals from the chest of the person; a processing unit comprising; a first processing unit, coupled to the plurality of antennas to process the reflected electromagnetic signals and produce output signals, the output signals representing the rate of change of the doppler signal associated with the reflected signal, the rate of change with respect to time; a second processing unit, arranged to compare the output signals and select the best output signal based on a criteria; and a third processing unit, arranged to calculate at least one parameter representative of the vital body sign of the person seated in the seat of the motor vehicle based on the selected best output signal.
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Specification