Bed position and activity sensing apparatus

A sensing and detecting apparatus includes an elongate sensor for placement parallel to one axis of a bed. The sensor includes a first and second conductive members, the first conductive member having a resistance-per-unit-length substantially different from that of the second conductive member. One...

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Bibliographic Details
Main Authors BASHAM; WILLIAM B, BARHAM; RUSSELL, HYDE; TOMMY E
Format Patent
LanguageEnglish
Published 04.10.1994
Edition5
Subjects
ALARM SYSTEMS
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
ORDER TELEGRAPHS
PHYSICS
RELAYS
SELECTORS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
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