Sensor arrangement for sensing a filling state of an absorbent article
AssigneeEssity Hygiene and Health Aktiebolag
InventorHenrik Pettersson-Falk
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Abstract
A sensor arrangement for sensing a filling state of an absorbent article with a liquid absorbent layer, the sensor arrangement comprising a substrate, a plurality of planar capacitors, each one comprising a set of at least two corresponding capacitor electrodes being arranged next to each other on or in the substrate, and a plurality of conductor paths on or in the substrate connecting the capacitor electrodes toward terminals of a readout circuit, wherein at least two of said planar capacitors are connected in parallel.
Claims17
A sensor arrangement for sensing a filling state of an absorbent article with a liquid absorbent layer, the sensor arrangement comprising:
- a substrate,
- a plurality of planar capacitors, each one comprising a set of at least two corresponding capacitor electrodes being arranged next to each other on or in the substrate, and
- a plurality of conductor paths on or in the substrate connecting the capacitor electrodes toward terminals of a readout circuit,
- wherein at least two of said planar capacitors are connected in parallel.
Dependencies are inferred from the claim text.