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.
Touch surface functionalized by a combined force and proximity sensor
20.05.2025
Patent
Elektronische Ressource
Englisch
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE , Anzeigen oder Aufzeichnen in Verbindung mit Messen allgemein / G01L Messen von Kraft, mechanischer Spannung, Drehmoment, Arbeit, mechanischer Leistung, mechanischem Wirkungsgrad oder des Drucks von Fluiden , MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE / H03K PULSE TECHNIQUE , Impulstechnik / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung |
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