A capacitive displacement sensor system with interdigitated combs, includes capacitive detection in a direction perpendicular to the surfaces of the combs facing one another, the combs being subjected to a sinusoidal movement in the direction, comprising: a device for converting the capacitance delivered by the sensor into a voltage; an analog/digital converter configured to digitize the voltage delivered by the conversion device, and supply a digitized signal; and a control unit comprising: a harmonic estimator configured to estimate the amplitudes of the harmonics of order less than or equal to a maximum order based on the digitized signal and a reference angle corresponding to the instantaneous angle of the input angular frequency; and a signal reconstruction module for reconstructing the signal from the amplitudes and the reference angle that are supplied by the harmonic estimator and from the digitized signal delivered by the analog/digital converter.

An object is to provide an operating body detection device having improved reliability of a capacitance-type sensor in input detection. An operating body detection device comprising: a capacitance-type sensor having a capacitance sensing surface on which a plurality of sensing electrodes is arranged; and a heat source sensing sensor comprising a heat source sensing film having a heat source sensing membrane with a heat source sensing surface. The detection surface that detects an operating body may have a region in which the capacitance sensing surface and the heat source sensing surface overlap when viewed from a normal direction of the detection surface. Preferably, the control unit that controls the capacitance-type sensor and the heat source sensing sensor starts heat source measurement with the heat source sensing sensor on condition that an object is detected with the capacitance-type sensor.

An object is to provide an operating body detection device having improved reliability of a capacitance-type sensor in input detection. An operating body detection device comprising: a capacitance-type sensor having a capacitance sensing surface on which a plurality of sensing electrodes is arranged; and a heat source sensing sensor comprising a heat source sensing film having a heat source sensing membrane with a heat source sensing surface. The detection surface that detects an operating body may have a region in which the capacitance sensing surface and the heat source sensing surface overlap when viewed from a normal direction of the detection surface. Preferably, the control unit that controls the capacitance-type sensor and the heat source sensing sensor starts heat source measurement with the heat source sensing sensor on condition that an object is detected with the capacitance-type sensor.

A method operates a hand-guided processing device having a user-activated operating sensor device with a plurality of different detection positions. The method involves the steps: a) detecting a sequence of activations of the operating sensor device at different detection positions of the plurality of detection positions, and b) when the detected sequence corresponds to a given sequence, calibrating the operating sensor device for at least one detection position of the plurality of detection positions based on at least one of the activations of the detected activations.

A method operates a hand-guided processing device having a user-activated operating sensor device with a plurality of different detection positions. The method involves the steps: a) detecting a sequence of activations of the operating sensor device at different detection positions of the plurality of detection positions, and b) when the detected sequence corresponds to a given sequence, calibrating the operating sensor device for at least one detection position of the plurality of detection positions based on at least one of the activations of the detected activations.

Certain examples are directed to circuitry and methods involving adaptive scanning of a target area, by use of a scanning output controlled by a multiple-axis scanner, within a selected region of interest (RoI) in a field of view (FoV) as a function of a first drive signal having a first set of one or more frequency components and of a second drive signal having a second set of one or more frequency components. One or more aspects of at least the first drive signal is modulated to produce a plurality of drive signals including the modulated first drive signal, and the drive signals at the multiple-axis scanner are used to: control the scanning output, cause the scanning output to traverse the selected RoI more times than other portions of the FoV and spatially sample the target area via a higher concentrations of samples in the RoI.

Certain examples are directed to circuitry and methods involving adaptive scanning of a target area, by use of a scanning output controlled by a multiple-axis scanner, within a selected region of interest (RoI) in a field of view (FoV) as a function of a first drive signal having a first set of one or more frequency components and of a second drive signal having a second set of one or more frequency components. One or more aspects of at least the first drive signal is modulated to produce a plurality of drive signals including the modulated first drive signal, and the drive signals at the multiple-axis scanner are used to: control the scanning output, cause the scanning output to traverse the selected RoI more times than other portions of the FoV and spatially sample the target area via a higher concentrations of samples in the RoI.

A system-on-chip contactless physiological sensor (10) is provided which comprises a capacitive-sensor electrode (14) having a first capacitance (C1) and an amplifier device (18) connected to the capacitive-sensor electrode (14), the capacitive-sensor electrode (14) and amplifier device (18) at least in part forming an amplifier circuit for the physiological sensor (10). An artefact-reducing capacitor (20) is then connected in series between the capacitive-sensor electrode (14) and an input of the amplifier device (18), the artefact-reducing capacitor (20) having a second capacitance (C2) which is less than the first capacitance (C1). In this sensor (10), there is no impedance boosting input between the capacitive-sensor electrode (14) and the input of the amplifier device (18).

A capacitive sensor for a planar recognition of an approach of an object. The capacitive sensor includes a first planar electrode and a second planar electrode, a dielectric being situated between the first electrode and second electrode for spacing. The first electrode and the second electrode being designed to be limp and/or torsion flexible.

An assist handle assembly for use in an interior of a vehicle is provided. The assist handle assembly includes an assist handle configured to be gripped by a user, a connector configured to secure the assist handle assembly to a structural component in the interior of the vehicle, a proximity sensor assembly coupled to the assist handle for generating a sensed signal indicative of a user gripping the assist handle, and a controller controlling one or more vehicle devices based on the sensed signal.