Patent ID: 8279057
Filing Date: 2012-10-02
Classification: A61B,A61G,G01G

Abstract:
1. A bed occupancy state detection method, comprising: a load detection step for detecting loads applied to a head side right portion, a head side left portion, a foot side right portion, and a foot side left portion of a bed platform by first to fourth load detection means, respectively; wherein load values outputted from the first to fourth load detection means are defined as W a first judgment step for judging whether or not a first judgment formula (1) is satisfied, wherein the first judgment formula (1) is given by W a second judgment step for judging whether or not a second judgment formula (2) is satisfied, wherein the second judgment formula (2) is given by W a third judgment step for judging whether or not a third judgment formula (3) is satisfied, wherein the third judgment formula (3) is given by W a fourth judgment step for judging whether or not a fourth judgment formula (4) is satisfied, wherein the fourth judgment formula (4) is given by W a fifth judgment step for judging whether or not a fifth judgment formula (5) is satisfied, wherein the fifth judgment formula (5) is given by W a sixth judgment step for judging whether or not a sixth judgment formula (6) is satisfied, wherein the sixth judgment formula (6) is given by W a seventh judgment step for judging whether or not a seventh judgment formula (7) is satisfied, wherein the seventh judgment formula (7) is given by W an eighth judgment step for judging whether or not an eighth judgment formula (8) is satisfied, wherein the eighth judgment formula (8) is given by W a first notification step for notifying information on a bed occupancy state of an object when it is judged that at least one judgment formula is satisfied from a judgment result of at least one judgment step among the first to eighth judgment steps.