Sensing Diaper Content

Patrick Van Torre, Lievegem, Belgium; and Arno Moerman, Deinze, Belgium.

Assigned to Universiteit Gent, Ghent, Belgium; and Imec Vzw, Leuven, Belgium.

Filed: 12/20/21
Issued: 2/24/26

A system for sensing diaper content comprising: a diaper comprising an inner circuitry layer having: inner input capacitor plates; tracks arranged to provide a resistive coupling between the inner input capacitor plates dependent on the diaper content; and inner output capacitor plates in galvanic contact with the respective inner input capacitor plates; and an outer coupling layer having outer input- and output capacitor plates arranged to form respective input- and output capacitors with the inner input- and output capacitor plates in the diaper when the outer coupling layer is provided onto an outside of the diaper; and a sensing circuitry arranged to: apply an input signal onto the outer input capacitor plates; and measure an output signal from the outer output capacitor plates resulting from the input signal and the resistive coupling thereby sensing the diaper content.