Abstract: The present invention reconfigures the Capacitor Detect Area (CDA) constituting two columns to reduce the number of CDAs constituting one column and increase the number of CDAs constituting the other so that object separation operation is possible in the column in which the number of CDAs is increased.

Abstract: Apparatus and methods of automatically trimming a PCB-based LC circuit. The apparatus may comprise an interface to a printed circuit board (PCB). The PCB may include a PCB inductor and a PCB capacitor to form an LC circuit. The LC circuit may have an LC circuit frequency. The apparatus may comprise a variable capacitor communicatively coupled to the interface and configured to adjust an effective capacitance of the LC circuit.

Abstract: A sensing device includes a touch panel including first and second sensor electrodes, and a touch panel controller acquiring a sensing signal from the touch panel and detecting a user input based on the sensing signal. The touch panel controller acquires the sensing signal from at least one of the first sensor electrodes and the second sensor electrodes in a first mode operating at a first power. The touch panel controller selects a first transmitting electrode, a second transmitting electrode, and receiving electrodes from one of the first sensor electrodes and the second sensor electrodes, inputs a first driving signal to the first transmitting electrode, and inputs a second driving signal having a phase difference of 180 degrees with respect to the first driving signal to the second transmitting electrode in a second mode operating at a second power and a third mode in which a sensing operation is performed.

Abstract: A physical quantity sensor includes a first element section in which first capacitances varying in accordance with a physical quantity have first saturation capacitance values at which the first capacitances are saturated by a first physical quantity, a second element section in which a second capacitances varying in accordance with the physical quantity have second saturation capacitance values at which the second capacitances are saturated by a second physical quantity smaller in absolute value than the first physical quantity, a multiplexer for outputting the first signals from the first element section and the second signals from the second element section, and a determination circuit that determines whether or not the level of the second signal input via the multiplexer reaches a threshold value which is a level of the second signal when the second physical quantity acts.

Abstract: A system for generating an offset signal for a capacitive sensor includes a waveform generator configured to generate a waveform, an R-2R ladder circuit having a constant output resistance that is coupled to an output of the waveform generator and is configured to generate the offset signal based on the waveform, and an adjustable capacitor that is connected between an output of the R-2R ladder circuit and a reference voltage. The capacitive sensor includes one or more sensing electrodes coupled to the waveform generator through a capacitance and is configured to generate a sensed signal by sensing an object. The R-2R ladder circuit and the adjustable capacitor are configured to adjust amplitude and phase of the offset signal such that the amplitude and the phase of the offset signal respectively coincide with an amplitude and a phase of the sensed signal when the sensing electrodes do not sense the object.

Abstract: An object of the present disclosure is to provide a display device that enables the prevention of forming a ghost even though a water droplet is attached. A display device includes a display panel having a semiconductor device disposed at an end portion of an array substrate, and a translucent cover member covering the display panel. The display panel includes a plurality of drive electrodes that detect an external proximity object, and a conductive layer between the translucent cover member and the semiconductor device. At least a part of the conductive layer overlaps with at least a part of the semiconductor device in a planar view.

Abstract: An electronic device including: a first pattern part including first mesh lines in which a plurality of first cut line parts are defined; and a second pattern part spaced apart from the first pattern part in a first direction and including a plurality of second cut line parts in which a plurality of second cut line parts are defined. A first reference region is defined in the first pattern part; a second reference region having a same width and area as the first reference region in a second direction crossing the first direction is defined.

Abstract: The invention relates to a device (10) for a vehicle (1) for detecting an activation action in a detection region (51), and in particular for mounting on a vehicle part (5), in order to activate a function of the vehicle (1) depending on the detection, comprising: a multi-layer printed circuit board (20), at least one electrically conductive sensor element (31) for capacitive sensing in the detection region (51), wherein the sensor element (31) is arranged on the printed circuit board (20), at least two shielding elements (40) for shielding (41) for the sensing.

Abstract: Provided are a capacitance detection apparatus and an electronic device. The capacitance detection apparatus includes: a chip; and a detection electrode layer, where the detection electrode layer is integrally disposed with the chip and electrically connected to the chip, the detection electrode layer includes at least one detection electrode configured to form at least one capacitance detection channel, the at least one capacitance detection channel is respectively configured to output at least one capacitance detection signal, and the chip is configured to process the at least one capacitance detection signal.

Abstract: An inner-cabin side part of a hollow part of a protector with a sensor extends between a top end and an inner-cabin side end with an inner-cabin side apex closest to an interior of an automobile body. A distance is shorter between the inner-cabin side apex and the inner-cabin side end than between the top end and the inner-cabin side apex. An outer-cabin side part of the hollow part extends between the top end and an outer-cabin side end with an outer-cabin side apex closest to an exterior of the automobile body. A distance is shorter between the outer-cabin side apex and the outer-cabin side end than between the top end and the outer-cabin side apex. Thicknesses of an outer coat of the hollow part are increased toward the apexes from the top end, and are uniform between the apexes and the inner-cabin side end and the outer-cabin side end.

Abstract: A capacitive sensor system for detecting an object. The capacitive sensing system includes a capacitive sensing pad, a conductive discriminating pad, a switch, a capacitance measurement circuit and a controller. The conductive discriminating pad is in proximity to the capacitive sensing pad. The switch includes an input terminal coupled to the discriminating pad. The switch selectively couples the discriminating pad to a voltage potential of the capacitive sensing pad or to a ground potential. The capacitance measurement circuit detects a capacitance value of the capacitive sensing pad. The controller is operable to measure the capacitance value of the capacitive sensing pad when the discriminating pad is coupled to the capacitive sensing pad voltage potential or to the ground potential.

Abstract: A display device includes: a display panel which includes a first area and a second area; and a sensor device which overlaps the first area in a thickness direction of the display panel. The display panel includes first sensor electrodes in the first area and second sensor electrodes in the second area, and a shape of a first sensor electrode of the first sensor electrodes is different from a shape of a second sensor electrode of the second sensor electrodes.

Abstract: Methods and apparatuses for recognizing a gait task, that may detect a gait pattern of a user based on sensed data, generate a gait feature of the gait pattern based on similarities between the gait pattern and similar gait data extracted from each of a plurality of databases, and estimate a gait task corresponding to the gait pattern by applying the gait feature to a desired learning model, may be provided.

Abstract: Disclosed embodiments relate, generally, to a dual measurement technique for capacitance sensing, and related systems and methods. In one embodiment, a capacitance sensing method characterized by moisture tolerance is performed and another capacitance sensing method characterized by proximity tolerance is performed. In one embodiment, the method characterized by moisture tolerance is a driven-shield self-capacitance sensing measurement, and the method characterized by proximity tolerance is a grounded-shield self-capacitance sensing measurement.

Abstract: An embodiment as described herein includes a microelectromechanical system (MEMS) with a first MEMS transducer element, a second MEMS transducer element, and a semiconductor substrate. The first and second MEMS transducer elements are disposed at a top surface of the semiconductor substrate and the semiconductor substrate includes a shared cavity acoustically coupled to the first and second MEMS transducer elements.

Abstract: An electronic device is disclosed. The electronic device includes a display unit, a light sensor, and a processor. The display unit has a brightness value. The light sensor senses an ambient light to generate a light intensity signal. The processor is coupled to the display unit and the light sensor and accesses a program instruction from a memory to perform the following steps: continuously receiving the light intensity signal from the light sensor; smoothing a plurality of light intensity signals to generate a plurality of smoothing signals; and maintaining the brightness value of the display unit for a preset time period and then determining whether to adjust the brightness value when a difference generated by subtracting a previous smoothing signal of a target smoothing signal of the smoothing signals from the target smoothing signal is less than the first threshold or greater than the second threshold.

Abstract: Disclosed is a touch display device capable of reducing deterioration in touch performance. The touch display device includes a plurality of first touch electrodes disposed in an active area of a substrate and a plurality of second touch electrodes disposed in the active area of the substrate, the plurality of second touch electrodes having different shapes from the plurality of first touch electrodes, wherein at least one of the plurality of second touch electrodes is formed by connecting at least two sub-electrodes having smaller areas than each of the first touch electrodes to each other. Consequently, the areas of the first and second touch electrodes are similar to each other, whereby it is possible to reduce touch performance deteriorated due to deviation in area between the touch electrodes.

Abstract: A standing-up assistance apparatus includes a first sensor that measures a muscle potential of a lower leg of a user, a second sensor that measures a knee angle of the user, a processor that determines whether starting to assist the user in a standing-up motion from a seated state is possible, based on, at least, the measured muscle potential and the measured knee angle, and outputs an instruction signal if the processor determines that starting to assist the user in the standing-up motion is possible, and an assistance mechanism. The assistance mechanism starts assisting the user in the standing-up motion when the assistance mechanism receives the instruction signal from the processor.

Abstract: The display device includes a display panel, a connecting circuit board physically connected to the display panel; a driving circuit board physically connected to the connecting circuit board; a driving element disposed on the connecting circuit board and comprising a first surface, and a second surface facing the connecting circuit board and which is opposite to the first surface; a first shielding layer disposed on a first surface of the driving element which is exposed outside the display device; and a second shielding layer overlapping an entirety of the first shielding layer and disposed on the connecting circuit board.

Abstract: A gait state determination apparatus includes: a foot attachment structure disposed in the walking assistance apparatus, the foot attachment structure to be attached to a foot of a user; a pressure detection device, disposed in the foot attachment structure, detecting a pressure exerted on a sole of the user; a pressure center calculation device successively calculating a center position of a pressure exerted on the sole during a gait motion of the user based on the pressure exerted on the sole detected by the pressure detection device; and motion determination device determining that it is a timing of a start of forward swinging of the leg to which the walking assistance apparatus is attached when the center position of the pressure calculated by the pressure center calculation devices is shifted from a position in a heel region of the sole to a toe region thereof, is disclosed.

Abstract: A touch sensor includes: an active area including a first sub-active area and a second sub-active area; a plurality of first touch electrodes in the first sub-active area and the second sub-active area; and a plurality of second touch electrodes in the first sub-active area and the second sub-active area, and a length of a first border portion that is a separated area between adjacent first and second touch electrodes in the first sub-active area is different from a length of a second border portion that is a separated area between adjacent first and second touch electrodes in the second sub-active area.

Abstract: A switching element for the contactless activation of an electric-motor adjustment drive of a motor vehicle, in particular an electric-motor-operated liftgate, having a profile strip, which extends in a longitudinal direction. The profile strip has a channel, which extends in the longitudinal direction and which transitions into a slit, which extends in the longitudinal direction. An electrode is arranged within the channel. The invention further relates to an electric-motor-operated liftgate having a switching element and to a method for creating a switching element.

Abstract: An OLED touch display substrate, an OLED touch display panel, a display device and a control method thereof are provided. The OLED touch display substrate includes an anode, a cathode and a functional layer arranged on a base substrate. The cathode includes sub-cathodes, a time period for displaying one image frame of the OLED touch display substrate includes a display time period and a touch time period, and the sub-cathodes further serve as touch electrodes. The touch display substrate further includes touch signal lines electrically connected to the touch electrodes. Within the display time period, a common voltage signal is applied to each touch electrode via the respective touch signal line. Within the touch time period, a touch scanning signal is applied to each touch electrode via the respective touch signal line, and it is detected whether or not a self-capacitance of the touch electrode changes.

Abstract: A handheld controller having at least one input device, a left capacitive sensor electrode mounted in a left portion of the handheld device; a right capacitive sensor electrode mounted in a right portion of the handheld device; and a microcontroller. The input device is configured to receive user inputs provided via a finger of the hand holding the handheld controller. The handheld controller is symmetric from left to right. The microcontroller is configured to determine whether the hand is a left hand or a right hand based on measurements made via the left capacitive sensor electrode and the right capacitive sensor electrode and dynamically configures the handheld controller has left-handed or right-handed based on the measurements.

Abstract: A touch sensor includes a first electrode, a second electrode, and a sensing channel. The first electrode includes first electrode cells arranged in a first direction, a first connection portion connecting the first electrode cells in the first direction and a first opening disposed in at least one of the first electrode cells. The second electrode includes an electrode portion disposed in the first opening. The electrode portion is disposed on a same layer as the first electrode cells and separated from the first electrode. The sensing channel includes a first terminal and a second terminal. The first terminal is connected to the first electrode. The second terminal is connected to the second electrode.

Abstract: An electronic pen includes a coil wound around a magnetic core, a first capacitor forming a resonance circuit with the coil, a rectifier circuit which, in operation, rectifies an alternating-current signal received by the resonance circuit, the rectifier circuit including a second capacitor, a voltage detecting circuit which, in operation, detects whether a rectified output voltage across the second capacitor of the rectifier circuit exceeds a predetermined value, a third capacitor having a capacitance that is larger than a capacitance of the second capacitor, and a charge control circuit which, in operation, controls supply of a charging current to the third capacitor by the rectified output voltage. The charge control circuit in operation, causes the charging current to be fed to the third capacitor by the rectified output voltage when the voltage detection circuit detects that the rectified output voltage obtained across the second capacitor exceeds the predetermined value.

Abstract: A vehicle manipulation detecting device includes a plurality of sensor electrodes and a shield electrode. Each of the sensor electrodes is configured to be attached to a window glass of a vehicle and output a detection signal corresponding to a capacitance changed in response to contact or approach of an object. The sensor electrodes include at least one first sensor electrode and at least one second sensor electrode. The shield electrode is arranged at a position corresponding to the first sensor electrode on an inner side of the first sensor electrode with reference to a passenger compartment of the vehicle.

Abstract: Provided are a conductive film in which the area of an intersection portion between a first electrode pattern and a second electrode pattern is defined and is suitable for a touch panel in terms of, for example, the accuracy of detection (S/N ratio), a touch panel including the conductive film, and a display device including the touch panel. The conductive film includes a transparent base, two or more first electrode patterns, and two or more second electrode patterns. The first electrode pattern and the second electrode pattern face each other, with the transparent base interposed therebetween, and intersect each other. Each of the first electrode pattern and the second electrode pattern is a combination of a plurality of cells formed by thin metal wires. The area of an intersection portion between the first electrode pattern and the second electrode pattern is greater than 1 mm2 and less than 20 mm2.

Abstract: The disclosure relates to a method for operating a pulse generator for generating measuring pulses for a capacitive sensor having an adjustable pulse time in the range from 10 ns to 200 ns, having a controllable delay circuit which contains a first integrating RC combination (RT1/CT1) and a second integrating RC combination (RT2/CT2), having a logical combining element having two inputs and one output, an initialization circuit and a control unit, wherein the first input of the logical combining element receives a clock signal, and the second input of the logical combining element receives an analog setting signal (SSE) from the output of the delay circuit, wherein two simultaneous clock signals are generated, of which the first clock signal (T) is led without delay to the first input of the logical combining element, and the second clock signal (T2), delayed by the delay circuit, is led to the second input of the logical combining element, time-variable output pulses are generated with the aid of time-variab

Abstract: A display device includes: a first substrate including a display area including a pixel area and a non-display area adjacent to the display area, the first substrate including a connection pad disposed in the non-display area; and a second substrate opposite to the first substrate, the second substrate including a base substrate including a sensing area corresponding to the display area and a non-sensing area corresponding to the non-display area, and a touch sensor disposed on the base substrate, wherein the touch sensor includes a touch sensing electrode disposed in the sensing area, a touch pad disposed in the non-sensing area, and a sensing line electrically connecting the touch sensing electrode and the touch pad, wherein the non-sensing area of the second substrate is bent such that the connection pad and the touch pad are opposite to each other.

Abstract: A system and method for the synchronization of a central controller wirelessly connected to at least one self-powered power sensor (SPPS). The method includes: sampling an electrical signal by at least one SPPS; estimating by the at least one SPPS a time of a sample of the electrical signal; generating a packet comprising packet components including a preamble, a synchronization field, and message data; generating synchronization information for the synchronization field of the packet; transmitting wirelessly the packet components; determining a time offset value for the packet, the time offset calculated from the time of the sample of the electrical signal and a transmission time-stamp of the synchronization information; and transmitting the time offset value by appending it to the packet, wherein the time offset value is used for the purpose of calculating at least an electrical parameter.

Abstract: An input device includes a voltage divider circuit that includes a resistive sensor whose resistance changes in accordance with a change in pressure of a pressing operation and at least one resistor device and that, upon receiving driving voltage, generates a divider voltage according to the resistance of the resistive sensor device, a first driving circuit that alternately supplies, to the voltage divider circuit at certain time intervals, a first driving voltage and a second driving voltage for generating different divider voltages, a capacitor whose charge changes in accordance with a change in the divider voltage, and a first charge detection circuit that detects an amount of change in the charge of the capacitor at a time when the driving voltage changes from the first driving voltage to the second driving voltage and when the driving voltage changes from the second driving voltage to the first driving voltage.

Abstract: Disclosed are a display panel and a touch display device. The display panel comprises a pressure sensor, the pressure sensor comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a first set of connection blocks and a second set of connection blocks; the material of the first resistor, the second resistor, the third resistor and the fourth resistor is a semiconductor material; the material of the first set of connection blocks and the second set of connection blocks is a metal material; the display panel further comprises a first direction and a second direction; the first resistor and the third resistor comprise at least two subresistors; each subresistor forming the same resistor is connected end to end with each other via the second set of connection blocks; the shape of each subresistor, the second resistor and the fourth resistor is a bar.

Abstract: A readout device for a capacitive sense matrix includes a computer readable storage medium configured to store capacitance data. The capacitance data represents capacitance values of the capacitive sense matrix. The readout device also includes a readout circuit configured to receive a signal from the capacitive sense matrix, the readout circuit being configured based upon the capacitance data. Also described are a readout method and a method of compensating for variations in capacitance.

Abstract: An analog to digital conversion circuit receives a transducer output signal and outputs a data bitstream, where a latch or flip flop has an input that receives a clock signal. An AC-DC power converter receives the clock signal and produces a DC voltage which may power the analog to digital conversion circuit. The AC-DC power converter has a rectifier, an energy store and a voltage regulator, charge pump or filter, which draws power from the energy store to produce the DC voltage. A control circuit delays replenishment of the energy store by the rectified clock signal, responsive to the clock signal. Other embodiments are also described and claimed.

Abstract: The relationship between capacitance value variation and an AC voltage value of a capacitor is obtained in advance as an approximation equation or table data. The AC voltage value applied to the capacitor in the circuit is calculated. The capacitance value of the capacitor is calculated from the AC voltage value calculated in step 3 on the basis of the obtained relationship. The calculated capacitance value of the capacitor and the capacitance value of the capacitor set to the set value are compared. If the result of the comparison is that there is a difference between the two values, the calculated value is set as a new set value and the same processing is repeated. If there is no longer a difference between the two values, the capacitance value calculated at that time is determined to be the capacitance value in the circuit.

Abstract: A system and method for incorporating occupancy-detecting technology into furniture is provided. More particularly, the invention relates to detecting occupancy using a detection pad coupled a portion of a bed. The detection pad may include an aluminized polymer material, a metalized and/or conductive fabric, an aluminum sheet, a metal screen, an aluminum tape, a wire grid, or other metalized material or fabric. A controller determines the corresponding response based on single-occupancy or dual-occupancy detection by one or more detection pads. A processor receives information regarding changes in capacitance and determines when a change in voltage satisfies a threshold. Based on a determination of occupancy, or lack thereof, a variety of corresponding features of the adjustable bed may be activated.

Abstract: Disclosed is a touch panel including a conductive film having first and second electrodes on one surface thereof. The first electrode includes first sensor parts spaced apart from one another in a first direction and extending a long length in a second direction, and first wiring parts electrically connected to the first sensor parts. The second electrode includes second sensor parts spaced apart from one another in the first direction and having a shape complementary to the first sensor parts, and a second wiring part electrically connected to the second sensor parts. Each second sensor part includes first and second sensor portions located at first and second positions in the second direction. The second wiring part includes first and second connection portions for connecting the first or second sensor portions of the second sensor parts to one another, the second connection portion being located adjacent to the first wiring part.

Abstract: Disclosed are a touch screen device and a method of driving the same, which minimize an influence of parasitic capacitance of a touch electrode and sense a voltage charged into capacitance(s) of the touch electrode. The touch screen device includes a touch electrode, a touch driving line connected to the touch electrode, a touch driving voltage output unit connected to the touch driving line through a first switch to output a touch driving voltage, a current source connected to the touch driving line through a second switch to discharge electrical charges charged into parasitic capacitance of the touch electrode according to a predetermined discharge current, and a touch voltage sensing unit connected to the touch driving line through a third switch to sense a voltage charged into each of finger capacitance and the parasitic capacitance of the touch electrode.

Abstract: A fingerprint sensing circuit, system, and method is disclosed. The fingerprint sensor maybe include a plurality of inputs coupled to a plurality of fingerprint sensing electrodes and to an analog front end. The analog front end may be configured to generate at least one digital value in response to a capacitance of at least one of the plurality of fingerprint sensing electrodes. Additionally, the analog front end may include a quadrature demodulation circuit to generate at least one demodulated value for processing by a channel engine. The channel engine may generate a capacitance result value that is based, in part, on the demodulated value and is stored in a memory.

Abstract: An electronic device may include a touchscreen having sensing capacitors, and readout circuitry. The readout circuitry may be configured to accumulate a sample set from each sensing capacitor, divide the sample set into sample subsets, remove a given sample subset when the given sample subset exceeds a threshold, and process remaining sample subsets for touch input.

Abstract: A sensor element device for a capacitive touch switch of an operating device faces with an upper side toward the underside of a control panel of the operating device and has an illuminated display with a lighting means. Provided around the lighting means is a housing with fastening means for fastening the sensor element device to a component carrier. Provided on the outside of the housing or of the structural unit, in the region toward the upper side there is electrically conductive plastic that extends along an outer periphery of the housing. From the electrically conductive plastic there extends in the direction of the underside, toward the component carrier, a contacting means for the electrical connection thereto.

Abstract: In one aspect, a touch sensor includes a dielectric surface layer; drive electrodes disposed on the dielectric surface layer and arranged radially about a center, the drive electrodes defining a perimeter about the center, and a sense electrode disposed on the dielectric surface layer and arranged between two of the drive electrodes. Each drive electrode can include: an outer radial section extending radially along the perimeter; a central section extending from the outer radial section towards the center; and an inner radial section comprising a first section extending radially away from the central section in a first radial direction and a second section, shorter than the first section, extending radially away from the central section in a second radial direction.

Abstract: A touch panel has an active area and a non-active area disposed at an outer side of the active area defined therein. The touch panel includes a support member and a conductive layer formed on the support member and including an electrode part in the active area to sense touch and a wiring part disposed in the non-active area to be connected to the electrode part. In the non-active area, the wiring part is disposed on the support member and the electrode part is partially disposed on the wiring part.

Abstract: A flexible touch panel is disclosed. The flexible touch panel includes a plurality of driving electrode patterns and detection electrode patterns. A distance between the driving electrode patterns and detection electrode patterns is configured such that a difference of mutual capacitance between the driving electrode pattern and detection electrode pattern in different areas of the flexible touch panel has been changed in an opposite direction when the flexible touch panel has been curved. The difference of the mutual capacitance is the difference of the mutual capacitance before a touch event and after the touch event. In this way, the difference of the mutual capacitance caused by curved flexible touch panel may be decreased.

Abstract: A touch panel including a touch area and a peripheral area adjacent to the touch area is provided. The touch panel includes a plurality of first electrodes, a plurality of second electrodes, a plurality of third electrodes, a plurality of pads and a plurality of wirings. The first electrodes, the second electrodes and the third electrodes are located in the touch area and electrically insulated to each other, wherein the third electrodes expose at least a part of the first electrodes and at least a part of the second electrodes. The pads are located in the peripheral area. The first electrodes, the second electrodes and the third electrodes are electrically connected to the pads through the wirings respectively.

Abstract: A touch sensing apparatus may include a driving signal generating circuit including a first switch and a second switch and providing driving signals to a first node of a node capacitor, the driving signals being generated by switching operations of the first switch and the second switch, and a C-V converting circuit including a buffer circuit having a first feedback capacitor and a third switch disposed between a second node of the node capacitor and the first feedback capacitor and transferring a charging voltage of the node capacitor to the first feedback capacitor through a switching operation of the third switch to generate an output voltage. The buffer circuit further includes a fourth switch disposed between the second node of the node capacitor and a current source, and the fourth switch is turned on in an off operation section of the third switch.

Abstract: The present invention relates to a circuit arrangement for detecting a capacitance of a capacitive component and/or a change in the capacitance of a capacitive component, which circuit arrangement comprises, inter alia a monostable flipflop controllable by a control signal and having at least two inputs and one output, wherein a first input of the flipflop is provided for the control signal, and a second input is connected to a capacitive component. The circuit arrangement further comprises a conversion device, which is connected to the output of the monostable flipflop, and an evaluation unit, which is connected to the conversion device in order to evaluate the signal voltage and from this to generate at least one detection value, which indicates the capacitance and/or a change in the capacitance of the capacitive component.

Abstract: A circuit and a method for sensing differential capacitance involve using plural storing capacitors to repeatedly sample charges of the differential capacitance in an over-sampling manner, and storing the charges sampled in different transfer rounds into different storing capacitors instead of repeatedly transferring charges for a single storing capacitor, so as to collect charge averages about both inputs and noises and in turn effectively reduce RF interference and source noises.

Abstract: A touch sense circuit comprises a first sampling circuit to sample a touch sense signal during a first period of a touch drive signal in which the touch drive signal is at a first level, to generate a first sampled signal; a second sampling circuit to sample the touch sense signal during a second period of the touch drive signal in which the touch drive signal is at a second level, to generate a second sampled signal, the second sampled signal in a same polarity as the first sampled signal; and an integrator including an input terminal and an output terminal, both the first sampled signal and the second sampled signal being input to the input terminal of the integrator and integrated to generate an output signal at the output terminal of the integrator, the output signal being used to detect a touch input.