Patent ID: 7377133

Claim:
A sensor comprising: a first knitted conductive textile plane, a second conductive textile plane, and an intermediate separating plane penetrable by the first knitted conductive textile plane to allow the first conductive textile plane and the second conductive textile plane to make electrical contact under a mechanical interaction; the intermediate separating plane defines the structural perimeter of each of a plurality of apertures from which the first knitted conductive textile plane deforms towards the second conductive textile plane under a mechanical interaction; wherein: the first knitted conductive textile plane has conductive yam knitted to form a repeating pattern of stitches each comprising a stitch looping portion SLIP having a looping portion footprint LPF, the separating plane defines apertures A having an aperture footprint AF, at least one looping portion footprint LPF is wholly containable within at least one aperture footprint AF; and said intermediate separating plane is provided in the form of a textile structure and said intermediate separating plane and said first knitted conductive textile layer are machined together to form a textile structure incorporating a predetermined loop-aperture alignment pattern.