Remote sensor for monitoring departure from bed

作者: Ian E. Kibblewhite

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摘要: A bed monitoring system for sensing and remotely signalling the presence or absence of a person in hospital, nursing home, home care environment includes pad positioned above mattress under person. The has tape switch responsive to bend distortion upper surface resulting from weight remote uses power line carrier transmission interfaces send receive "bed occupied" unoccupied" signals over standard AC distribution wiring. received are used provide visual audible indications activate lights monitored room as arises bed.

参考文章(4)
Robert H Koenig, Cushion switch means ,(1971)
Jeff L. Musick, David G. Blaker, Robert D. Blaker, Apparatus for monitoring the presence of a person in a bed ,(1983)
Jan Rudeke, A bed alarm ,(1990)