Abstract: A nipped roller impression sensor system comprising a first roller having an axis of rotation and a surface and a second roller having an axis of rotation that is substantially parallel to the axis of rotation of the first roller, wherein the second roller is disposed so that a surface of the second roller exerts pressure on the surface of the first roller at a nip having a width. The nipped roller impression sensor system also comprises at least one pressure sensor device configured to be disposed at the nip between the first and second rollers. The pressure sensor device comprises a resistive electrode maintained in a non-conductive arrangement with a shunt electrode by at least one spacer element, such that a width of the nip corresponds to a change in resistance across the resistive electrode when the second roller exerts pressure on the first roller.

Abstract: A pressure sensor apparatus comprising a first electrode and a second electrode, each attached to and supported by one of a pair of backing sheets; a resistive electrode, having a known electrical resistance, attached to and supported by one of the backing sheets so as to provide an electrical conduction between the first electrode and the second electrode; a shunt electrode, having a resistance that is lower than the resistance of the resistive electrode and attached to and supported by one of the backing sheets; and at least one spacer disposed so as to maintain the shunt electrode in a non-conductive arrangement relative to the resistive electrode, the shunt electrode configured such that, when pressure acts thereon, the shunt electrode contacts the resistive electrode and provides an electrical conduction between the resistive electrode and the shunt electrode.

Abstract: A pressure sensing array for measuring forces applied thereto and particularly for measuring the gait of a person. The pressure sensing array includes a first plurality of current driven electrodes attached to and supported by a thin, flexible backing sheet and a second plurality of current sensing electrodes disposed in an insulating arrangement positioned on the first plurality of current sensing electrodes. A third plurality of bridge electrodes are also provided so as to connect the current driven electrodes and the current sensing electrodes such that upon sensing a pressure on opposite ends of one of said bridge electrodes, an electrical conduction is provided between the current driven electrodes and the current sensing electrodes. A method of manufacturing the apparatus is also disclosed.