Apparatus in medicine for the monitoring and or recording of the body movements of a person on a bed, for instance of a patient
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United States of America Patent
Stats
-
Mar 23, 1982
Grant Date -
N/A
app pub date -
Mar 10, 1980
filing date -
Mar 13, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A capacitive motion sensor placed under a mattress or the like for monitoring the movements of a person. The sensor uses an active layer consisting of two courses of dielectric material placed in contact with one another. Movements of a person on top of the mattress cause the courses to move relative to one another, thereby generating an electric change in the active layer which is detected by a pair of spaced elements which form a capacitive antenna means.
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Family
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Cited Art Landscape
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