| 摘要 |
<p>The present invention refers to a touch-sensitive detecting device (1) comprising a sensor (10) associated with a control circuit (50), the sensor (10) comprising a layer (5) with at least an interface (6) suitable for defining a detection area (11) for at least one object (51) in contact with said detection area (11), a number N of emitters (15) and a number M of receivers (20) coupled with said layer (5), said N emitters (15) suitable for emitting a beam (Pn) of detection signals (30) at a wavelength in said layer (5) and said M receivers (20) being suitable for receiving at least a detection signal of said beam (Pn) of detection signals (30) emitted by said emitters (15) and for generating an output signal, said layer (5) being transparent at the wavelength of said detection signals (30) emitted by said N emitters (15) and defining a waveguide for said detection signals (30); the control circuit (50) is suitable for associating a subset of M receivers (20) with each of said N emitters (15), and is suitable for activating said N emitters (15) in a predefined sequence and for activating said M receivers (20); the control circuit (50) is also suitable for detecting for each active emitter (15) of the predefined sequence said output signals of said associated subset of receivers (20), for defining a sequence of output signals; the control circuit (50) comprising a processing unit (55) suitable for processing said sequence of output signals for determining at least one signal representative of said at least one object (51) in contact with said detection area (11).</p> |
