Abstract: The invention pertains to a microsensor (210, 310, 410) comprising a first electrode (211, 311, 411) and a second electrode (212, 312, 412), each electrode comprising a plurality of parallel tracks (222, 322, 422), each track comprising a connected end and a free end, each track extending from a strip (223, 323, 423), the strip connecting the tracks at their connected ends, the tracks of the two electrodes being offset and in mirror symmetry so that the tracks of the two electrodes are interdigitated and comprise between each pair of interdigitated tracks an assembly of nanoparticles (430) in a ligand, wherein each track (222, 322, 422) extending from the strip (223, 323, 423) comprises at least one change of direction.

Abstract: A motor vehicle control case includes an outer shell with several control areas, each of the control areas assigned to a specific function of the vehicle, a printed circuit board supporting elementary sensors to generate an electrical signal in response to an action such as an approach movement, a contact or a pressure exerted by a user by having his fingers on at least one of the control areas. The elementary sensors are connected to an electronic control unit, the electrical signal generated by the elementary sensors being transmitted to the electronic control unit to be analyzed therein and converted into a control of a function of the vehicle. Each elementary sensor includes at least one insulating substrate on which are deposited conductive tracks forming a capacitive sensor and an assembly of conductive or semi-conductive nanoparticles in colloidal suspension in an electrically insulating ligand, the assembly forming a force sensor.

Abstract: The invention pertains to a microsensor (210, 310, 410) comprising a first electrode (211, 311,411) and a second electrode (212, 312, 412), each electrode comprising a plurality of parallel tracks (222, 322, 422), each track comprising a connected end and a free end, each track extending from a strip (223, 323, 423), the strip connecting the tracks at their connected ends, the tracks of the two electrodes being offset and in mirror symmetry so that the tracks of the two electrodes are interdigitated and comprise between each pair of interdigitated tracks an assembly of nanoparticles (430) in a ligand, wherein each track (222, 322, 422) extending from the strip (223, 323, 423) comprises at least one change of direction.

Abstract: The invention is about a sensor assembly comprising, on an active part (621, 622), an assembly of conductive nanoparticles (560) in an insulating ligand, a substrate on which conductive tracks (611, 612, 613, 650, 651) and the assembly of nanoparticles are deposited, a thin stiffener (630) extending under the active part, glued to the substrate by a hardening glue on a first face of the thin stiffener and a pressure-sensitive adhesive attached to a second face of the thin stiffener (630), opposite the first face, configured for bonding the miniature sensor to a surface to be functionalized. The invention also relates to a method for manufacturing of such a sensor assembly.

Abstract: The invention is about a sensor assembly comprising, on an active part (621, 622), an assembly of conductive nanoparticles (560) in an insulating ligand, a substrate on which conductive tracks (611, 612, 613, 650, 651) and the assembly of nanoparticles are deposited, a thin stiffener (630) extending under the active part, glued to the substrate by a hardening glue on a first face of the thin stiffener and a pressure-sensitive adhesive attached to a second face of the thin stiffener (630), opposite the first face, configured for bonding the miniature sensor to a surface to be functionalized. The invention also relates to a method for manufacturing of such a sensor assembly.

Abstract: A method for manufacturing a detection assembly for a control device intended to be integrated into a motor vehicle passenger compartment, the detection assembly including a panel comprising a raised sector provided with an edge, and a sheet including a detection surface provided with at least one sensor, the method including a step of forming at least one flap in the detection surface, a positioning step in which the sheet is positioned facing the panel, the detection surface being positioned opposite the raised sector, and a securing step in which the sheet is applied against the panel, the flap being moved so as to come into contact with an edge of the raised sector.

Abstract: A control device to control a motor vehicle function, includes a touch screen element having an external surface equipped with one or more control zones assigned to a specific function of the vehicle, the touch screen element supporting one or more elementary sensors positioned in line with one of the control zones. The elementary sensor(s) being capable of generating at least one signal in response to an action performed by the user on at least one of the control zones, - at least one actuator configured to provide a user with haptic feedback through a translational movement of the touch screen element, and in just-one direction of travel, - a control unit configured to receive the signal generated by the elementary sensor(s) and to control the actuator in response to the signal, wherein the control device has components to keep the touch screen element aligned in the vibration plane.

Abstract: A motor vehicle control case includes an outer shell with several control areas, each of the control areas assigned to a specific function of the vehicle, a printed circuit board supporting elementary sensors to generate an electrical signal in response to an action such as an approach movement, a contact or a pressure exerted by a user by having his fingers on at least one of the control areas. The elementary sensors are connected to an electronic control unit, the electrical signal generated by the elementary sensors being transmitted to the electronic control unit to be analyzed therein and converted into a control of a function of the vehicle. Each elementary sensor includes at least one insulating substrate on which are deposited conductive tracks forming a capacitive sensor and an assembly of conductive or semi-conductive nanoparticles in colloidal suspension in an electrically insulating ligand, the assembly forming a force sensor.

Abstract: The invention relates to a touch surface comprising: a carrier substrate (510, 610) comprising 2 opposite faces (511, 512) one (511) of the faces being exposed to touch; and comprising on the face (512) opposite the face (511) exposed to touch, a combined proximity and force sensor (300) comprising: an insulating substrate (210); —conductive tracks (221, 222) deposited on said substrate (210) and configured to produce a capacitive sensor; a force sensor (230) consisting of an assembly of conductive nanoparticles in colloidal suspension in an electrically insulating ligand; a protective layer (310) covering the conductive tracks and the nanoparticle assembly. The invention also relates to a method for detecting and measuring the force applied by a touch against such a touch surface.

Abstract: A compensated pressure or force sensor, especially for temperature, includes a substrate and on one side of the substrate, a first assembly of multilayer nanoparticles between the first pair of electrodes. On the same side of the substrate, near the first assembly, a second assembly of monolayer nanoparticles between the second pair of electrodes. The sensor additionally includes an electronic circuit configured to measure the variation of an electrical property of the first and second nanoparticle assemblies and to combine the measurements. A touch screen utilizing such sensor is provided.

Abstract: A compensated pressure or force sensor, especially for temperature, includes a substrate and on one side of the substrate, a first assembly of multilayer nanoparticles between the first pair of electrodes. On the same side of the substrate, near the first assembly, a second assembly of monolayer nanoparticles between the second pair of electrodes. The sensor additionally includes an electronic circuit configured to measure the variation of an electrical property of the first and second nanoparticle assemblies and to combine the measurements. A touch screen utilizing such sensor is provided.

Abstract: A method for manufacturing a transparent tactile surface. The nanoparticles, particularly of ITO, are incorporated in an aqueous solution containing a stabilizing agent. The water suspension including the nanoparticles are subjected to ultrasound. The nanoparticles in aqueous suspension with a ligand are incubated that can attach to the surface of the nanoparticles through a covalent bond. The nanoparticles with the surface modified by the ligand in the form of a colloidal suspension are deposited on a transparent substrate.

Abstract: A method for manufacturing a transparent tactile surface. The nanoparticles, particularly of ITO, are incorporated in an aqueous solution containing a stabilizing agent. The water suspension including the nanoparticles are subjected to ultrasound. The nanoparticles in aqueous suspension with a ligand are incubated that can attach to the surface of the nanoparticles through a covalent bond. The nanoparticles with the surface modified by the ligand in the form of a colloidal suspension are deposited on a transparent substrate.