A pressure-sensitive device includes a resin mixture in which a carbon nanotube is mixed, an electrode stacked on the resin mixture, and a pressurization unit that pressurizes the resin mixture in a direction of the stacking, wherein the pressurization unit includes an adjustment mechanism of adjusting an amount of the pressurization. Further, the pressurization unit has a first board, a second board placed along a direction of stacking on the first board, and a screw as the adjustment mechanism, and a distance between the first board and the second board changes by turning of the screw, and thereby, the amount of pressurization is adjusted.

In one example a bend sensor is disclosed. The bend sensor extends into a media tray. The bend sensor has a tip where a deflection amount of the tip indicates a media parameter.

Provided is a pressure-strain sensor including a graphene structure having a three-dimensional porous structure, planar sheets provided on a surface of the graphene structure, and a polymer layer configured to cover the graphene structure and the planar sheets, wherein each of the planar sheets contains a transition metal chalcogenide compound.

A pressure sensor includes a variable resistance portion, and a first electrode and a second electrode. The variable resistance portion includes a conductive foam elastomer material. When pressure is applied to the variable resistance portion, the variable resistance portion is compressed in accordance with the pressure. As the compression amount increases, the electric resistance of the variable resistance portion decreases. The first electrode and the second electrode are configured to contact with the variable resistance portion at a location having an interval of 0.5 mm or greater with each other, therefore being electrically connected via the variable resistance portion.

An apparatus includes an electro-active polymer (EAP) structure configured to move, responsive to an electrical field, between a first position and a second position. The apparatus also includes a conductive particle interconnect (CPI) including an elastomeric carrier and conductive particles dispersed therein. The CPI is positioned proximate to at least a portion of the EAP structure and is configured to exhibit a first electrical resistance when the EAP structure is in the first position and to exhibit a second electrical resistance when the EAP structure is in the second position, where the first electrical resistance is different from the second electrical resistance.

A pressure sensor includes: a base including an outer surface partially or entirely composed of a curved surface; a plurality of electrodes disposed on the outer surface of the base with spaces therebetween and including at least one signal electrode and at least one ground electrode; and at least one variable resistor made from conductive foam elastomer material and configured to be elastically compressed upon application of pressure and such that electric resistance between the signal electrode and the ground electrode decreases as the amount of the compression increases.

Systems and methods for generating a compressive pre-load in a resistive touch center through the lamination of differently curved surfaces. The system comprising a processor; and a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising: determining a first curvature of a rigid back layer comprising a grouping of sensor electrodes; determining a second curvature of a flexible surface layer; and as a function of the first curvature and the second curvature facilitating lamination of the flexible surface layer to the rigid back layer.

An electrically anisotropic pressure sensitive assembly comprises a contained quantity of electrically conductive particles including first electrically conductive particles, which first electrically conductive particles are magnetite particles, wherein the quantity of magnetite particles includes a distribution of particle sizes between sub-micron and tens of microns. The magnetite particles have a plurality of planar faces, adjacent planar faces connected at a vertex, the particles each having a plurality of vertices wherein the magnetite particles are irregular in shape. The resistance and/or capacitance of the electrically conductive assembly changes in accordance with the pressure exerted thereon. The assembly includes at least two electrically conductive elements, the quantity of electrically conductive particles being contained in interstices between the at least two electrically conductive elements.

An apparatus includes an electro-active polymer (EAP) structure configured to move, responsive to an electrical field, between a first position and a second position. The apparatus also includes a conductive particle interconnect (CPI) including an elastomeric carrier and conductive particles dispersed therein. The CPI is positioned proximate to at least a portion of the EAP structure and is configured to exhibit a first electrical resistance when the EAP structure is in the first position and to exhibit a second electrical resistance when the EAP structure is in the second position, where the first electrical resistance is different from the second electrical resistance.

The present invention relates to control (apparatus 70). The control apparatus (70) comprises a mass of resilient conductive material (56) having an electrical property which changes in dependence on deformation of the conductive material. The control apparatus (70) further comprises at least three electrodes (74, 76, 78, 80, 82, 84) in contact with the mass of resilient conductive material (56) at spaced apart locations to thereby define at least two electrical paths through the mass of resilient conductive material between different pairs of the electrodes. The control apparatus (70) is configured such that there is a change in a measurable electrical property between each of the at least two different pairs of electrodes in dependence on deformation of the mass of resilient conductive material. More than one of the at least three electrodes (74, 76, 78, 80, 82, 84) move upon deformation of the mass of resilient conductive material (56).