Human monitoring device

Details Human monitoring device Human monitoring device

1997-11-25

1999-05-11

Hindenburg, Max

Surgery

Diagnostic testing

Measuring anatomical characteristic or force applied to or...

A61B5/00

Patent

active

059022558

ABSTRACT:
The body movement of a person in a bed or a seat is detected by a piezo-electric element without contacting to the body, and absence or presence in the bed or the seat and rough body movement are judged by detecting the fine body movement propagated by the functioning of heart and breathing of the body, and in case the presence in bed is judged the time measurement operation is started by the timer, and by judging the absence and rough body movement the time measurement is reset. It is judged that the body on the bed or the seat has fallen asleep when the measurement time of the timer exceeds a predetermined set time.

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