Description  Claims  Drawing  Cited references 

US3831586A   [0006] 
US4033332A   [0006] 

Movements of the Thoracic Cage and Diaphragm in Respiration   [0008] 
Pulmonary Ventilation Measured from Body Surface Movements   [0008] 
Estimates of Ventilation From Body Surface Measurements in Unrestrained Subjects   [0027] 
Postural Effects on Measurements of Tidal Volume From Body Surface Displacements   [0027]  [0032]  [0071]  [0159] 
Three Degree of Freedom Description of Movement of the Human Chest Wall   [0032] 
Tidal Volume and Respiratory Timing Derived From a Portable Ventilation Monitor   [0034] 
Accuracy of Respiratory Inductive Plythysmograph in Measuring Tidal Volume During Sleep   [0070] 
Estimates of Ventilation from Inductive Plythysmography in Sleeping Asthmatic Patients   [0071] 
Computer-aided Measurement of Breath Volume and Time Components Using Magnetometers   [0082] 
Statistical Methods for Assessing Agreement Between the Two Methods of Clinical Measurement   [0164]