Capacitive wetness sensor and method for manufacturing the same

A sensor device for sensing wetness in an absorbent article worn by a subject includes one or more sensing elements; and a coupling for communicating sensor signals between the one or more sensing elements and a receiver. A change in environmental parameter causes a change in electrical behavior of...

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Hauptverfasser: PHILLIPS BRADLEY JOHN, KOTLARSKI PETER, CURRAN PETER, BLACK DON, OLKKONEN JUUSO TUOMAS, MATTILA TOMI JUHA PETTERI, BARDA DAVID ALBERT
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creator PHILLIPS BRADLEY JOHN
KOTLARSKI PETER
CURRAN PETER
BLACK DON
OLKKONEN JUUSO TUOMAS
MATTILA TOMI JUHA PETTERI
BARDA DAVID ALBERT
description A sensor device for sensing wetness in an absorbent article worn by a subject includes one or more sensing elements; and a coupling for communicating sensor signals between the one or more sensing elements and a receiver. A change in environmental parameter causes a change in electrical behavior of at least one of the sensing elements, which behavior can be analyzed to determine occurrence of a wetness event in the absorbent article. The changes in electrical behavior are communicated in the sensor signals to the receiver. The analysis may be by the receiver or a processor in communication with the receiver. Ideally, the sensing elements include capacitive elements and preferably, resonance circuits.
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subjects ALARM SYSTEMS
BANDAGES, DRESSINGS OR ABSORBENT PADS
DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS
FILTERS IMPLANTABLE INTO BLOOD VESSELS
FIRST-AID KITS
FOMENTATION
HUMAN NECESSITIES
HYGIENE
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
MEDICAL OR VETERINARY SCIENCE
ORDER TELEGRAPHS
ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES
PHYSICS
PROSTHESES
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
TESTING
TREATMENT OR PROTECTION OF EYES OR EARS
title Capacitive wetness sensor and method for manufacturing the same
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