75368572
Oct 6, 1997
Oct 12, 1999
PRESSURE RESPONSIVE AND SIGNALING INSTRUMENTS FOR USE WITH ORTHOTIC FLUID FILLED CUSHIONS AND MATTRESSES TO SENSE THE LOCATION OF A USER'S BODY IN RELATION TO THE BASE OF THE CUSHION OR MATTRESS AND SIGNAL WHEN THE BODY IS BELOW A PREDETERMINED POINT TO PREVENT BOTTOMING OUT OF THE USER; PRESSURE MEASURING AND DISPLAY DEVICE AND PAD FOR MEASURING INTERFACE PRESSURE BETWEEN AN AREA OF THE HUMAN BODY AND A SURFACE ON WHICH THE BODY IS POSITIONED OR BETWEEN AN AREA OF THE BODY AND A COVERING APPLIED TO THE BODY AT THAT AREA
Electrical and Scientific Apparatus