Abstract: An array substrate and a touch display device are provided. In the array substrate, a first control unit and a second control unit are arranged opposite to each other in a first direction. A plurality of touch sensor blocks includes a first group of electrode blocks and a second group of electrode blocks arranged in the first direction, and a plurality of touch signal lines includes a first group of touch signal lines and a second group of touch signal lines arranged in the first direction. The touch signal lines in the first group of touch signal lines are coupled to the touch sensor blocks in the first group of electrode blocks respectively; and the touch signal lines in the second group of touch signal lines are coupled to the touch sensor blocks in the second group of electrode blocks respectively.

Abstract: One variation of a method includes: defining a first capacitance gradient of capacitance thresholds spanning a capacitive touch sensor; defining a first pressure gradient of pressure thresholds spanning a pressure sensor; reading a capacitance value from the capacitive touch sensor proximal a first location; detecting presence of a first input at the first location in response to the capacitance value exceeding a capacitance threshold assigned to the first location; reading a pressure value from the pressure sensor proximal the first location; detecting presence of a second input proximal the first location in response to the pressure value exceeding a pressure threshold; in response to detecting the first input and detecting the second input: merging the first input and the second input into a confirmed touch input; and generating a first touch image representing the first location and the pressure value of the confirmed touch input.

Abstract: A touch sensor of multi-driving scheme includes a touch panel including input lines and output lines, the touch panel causes a change in mutual capacitance in response to touch. Processing circuitry generates transmission signals to the input lines as a result of an encoding operation on a first matrix having an inverse matrix, each of the transmission signals has a first polarity or a second polarity opposite in phase to the first polarity; outputs the transmission signals in an unbalanced period when the sum of phases of the transmission signals is greater than 0; receives receiving signals through the output lines; and decodes the receiving signals based on the first matrix, the receiving signals generated by the change in the mutual capacitance in response to the touch.

Abstract: A display device includes: a display unit including a plurality of pixels; and a touch sensing unit on a surface of the display unit, the touch sensing unit including first and second touch sensor areas adjacent to each other along a first direction, wherein the touch sensing unit comprises: a plurality of driving electrodes branched off from a plurality of driving lines, with the plurality of driving electrodes extending in a second direction intersecting the first direction, in each of the first and second touch sensor areas; a plurality of sensing electrodes extending in the first direction; a plurality of odd electrodes extending in the second direction in the first touch sensor area; and a plurality of even electrodes extending in the second direction in the second touch sensor area.

Abstract: A touch panel display includes a pixel including an organic EL element, a first transistor electrically connected to the power supply line and the organic electroluminescence element, and a second transistor electrically connected to the data signal line and the first transistor, a touch sensor overlapping the pixel, and a shield electrode between the pixel and the touch sensor. The shield electrode includes an opening in a region overlapping with the second transistor, the third gate electrode is disposed inside the opening, and the third gate electrode and the fourth gate electrode are electrically connected, the first gate electrode is electrically connected to the shield electrode, and the second gate electrode is connected to a drain of the second transistor, and the shield electrode is grounded.

Abstract: A sense unit for inductive sensing or capacitive sensing is described. The sense unit may include a first terminal coupled to a first node, a first electrode coupled to the first node, and a second terminal. The sense unit may include a second electrode coupled to the second terminal. In a first mode, a first signal is received at the first terminal and a second signal is output on the second terminal, where the second signal may be representative of a capacitance of the sense unit. The sense unit may include an inductive coil. The sense unit may include a first capacitor. The inductive coil and the first capacitor are coupled in parallel between the first node and ground. In a second mode, a third signal is received at the first terminal and a fourth signal is output on the second terminal.

Abstract: A display device including a display panel, and a touch member disposed on the display panel. The touch member includes a first sensing electrode extending in a first direction, a second sensing electrode extending in a second direction crossing the first direction, a first touch signal wire electrically connected to the first sensing electrode, a second touch signal wire electrically connected to the second sensing electrode, and a first noise detection wire electrically insulated from the first sensing electrode, the second sensing electrode, the first touch signal wire, and the second touch signal wire.

Abstract: An electronic device may include a glass housing member that includes an upper portion defining a display area, a lower portion defining an input area, and a transition portion joining the upper portion and the lower portion and defining a continuous, curved surface between the upper portion and the lower portion. The electronic device may include a display coupled to the glass housing member and configured to provide a visual output at the display area. The electronic device may include an input device coupled to the glass housing member and configured to detect inputs at the input area. The electronic device may include a support structure coupled to the glass housing member and configured to support the computing device.

Abstract: A tactile presentation device comprising: a contact face; a plurality of electrodes arranged along the contact face; a first control unit controlling operations of the electrodes for detecting contact or approach of an object toward the 5 contact face; a second control unit controlling operations of the electrodes for presenting a tactile sense to the contact face; and a third control unit causing a part of the plurality of the electrodes to be controlled by the first control unit, sequentially changing the electrode to be controlled by 10 the first control unit to another electrode among the plurality of the electrodes, and causing electrodes other than the electrode that is controlled by the first control unit to be controlled by the second control unit.

Abstract: A touch sensing apparatus tracking a curve includes an interpolation coordinate generator configured to sense a first touch point, a second touch point and a third touch point, and calculate an interpolation point between the second touch point and the third touch point, wherein the curve is formed by the first touch point, the second touch point, the third touch point and the interpolation point, and the interpolation point is determined by the first touch point, the second touch point and the third touch point.

Abstract: Techniques for providing multi-user multi-touch projected capacitive touch sensors are disclosed herein. Some embodiments may include a method that includes receiving a first sense signal from a first sensing array, the first sensing array configured to provide the first sense signal indicating a first touch on a first touch surface of a touch substrate as well as receiving a second sense signal from a second sensing array, the second sensing array configured to provide the second sense signal indicating a second touch on a second touch surface of a second touch substrate occurring concurrently to the first touch. The method may further include determining whether the first touch and the second touch share at least one anti-ghost. The method may also include associating the first touch and the second touch with a common touch entity in response to determining that the first touch and the second touch share the at least one anti-ghost.

Abstract: A system for controlling cursor movement on an associated large display device using dynamic grid density. The system includes a personal mobile computing device and a remote server. The personal mobile computing device receives input from the user, via a touch screen, to control cursor movement on the associated large display device. The touch screen includes a grid that increases in density towards the edges of the touch screen. The personal mobile computing device sends the user input to the remote server. The remote server calculates corresponding cursor movement on the associated large display device. The dynamic grid density on the touch screen controls how far the cursor on the associated large display device moves in response to the user input on the touch screen. The remote server then send instructions to move the cursor on the associated large display device using to the calculated corresponding cursor movement.

Abstract: A display device includes a display panel for displaying an image, a touch sensor operating in one of a normal sensing mode in which a surface touch is recognized and a proximity sensing mode in which a hovering touch is recognized, and a touch driver for supplying a touch driving signal including a plurality of driving pulses to the touch sensor during a sensing period, and receiving a touch sensing signal from the touch sensor. In the proximity sensing mode, the touch driver sets a noise period including a first noise period and a second noise period in the sensing period, and decreases a number of times the driving pulses are supplied during the second noise period when it is determined that a variation of the image is greater than a predetermined reference variation.

Abstract: Touch sensor technologies are provided. In some embodiments, a touch sensor device includes an array of conductive members. The touch sensor device also includes a first routing trace electrically coupled to a first conductive member of the array of conductive members. The touch sensor device also includes a second routing trace electrically coupled to a second conductive member of the array of conductive member. The first and second routing traces extend to a connector integrated into the touch sensor device. The touch sensor device further includes a resistor that electrically couples the first routing trace and the second routing trace. A third conductive member of the array of conductive members is placed between the first and second conductive members. By incorporating a resistor, density of conductive members (sense lines and/or drive lines) can be increased without increasing density of routing traces to the connector.

Abstract: An information apparatus includes a display, a back face cover, and a support member. The display covers a face opposite to a display surface of the display. The support member fills a space between the face opposite to the display surface of the display and an inner face of the back-face cover.

Abstract: An electronic device includes a display panel and an input sensor disposed on the display panel and having a first sensing electrode extending in a first direction. The first sensing electrode includes a first trunk portion extending in the first direction and a first branch portion extending from the first trunk portion in a second direction crossing the first direction. The first branch portion includes a plurality of first branches and a plurality of second branches. The first branches extend in a direction opposite to a direction in which the second branches extend in the second direction, and the number of the first branches is equal to the number of the second branches.

Abstract: The present application relates to a method of operating a capacitance sensing device comprises: calculating a difference of a raw data compared to one of the raw data received in a previous data frame; and performing a comparison calculation based on the raw data and a stored baseline value to determine whether a proximity event has occurred. Under the proximity event, selects one of several baseline value update procedures based on the magnitude of the difference. Thus, the present application effectively avoids the problem of failure to update the baseline value when the object is close to the capacitance sensing device for a long period of time, which may lead to misjudgment of the capacitance sensing device.

Abstract: Provided is an electronic device including a touch panel, a communication unit, and a processing unit coupled to the touch control panel and the communication unit. The communication unit sends a detection signal and receives a response signal based on the detection signal. The processing unit determines an operation mode of the electronic device based on the response signal. The operation mode includes a first mode and a second mode. An input signal source of the electronic device of the first mode includes a finger. The input signal source of the second mode includes the finger and a stylus. When the response signal includes a pen-tip signal of the stylus and a pen-ring signal of the stylus, the processing unit determines whether to set the operation mode to the second mode according to the numerical relationship between the pen-tip signal and the pen-ring signal.

Abstract: A touch driving circuit, a touch display device, and a touch driving method are discussed, which are capable of reducing power consumption by dividing into an active mode and an idle mode according to a touch sensing type, shortening the touch driving period in the idle mode and reducing some operations related to the image displaying function.

Abstract: The present disclosure provides methods and devices for assessing movement. In some exemplary embodiments, a system for assessing movement is provided. In some embodiments, the system includes a handheld device. In some embodiments, the handheld device includes a plurality of sensors configured to record motion and position data, a body having a plurality of sides, a battery, and a proximal end configured to interact with a touchscreen of a computing device.

Abstract: Disclosed is an electronic pen including a casing having openings, a coil, a magnetic core having the coil wound therearound, and having a through hole extending in an axial direction of the electronic pen, a capacitor that forms a resonant circuit together with the coil, and a core body inserted through the through hole of the magnetic core. The electronic pen exchanges a signal having a frequency corresponding to a resonance frequency of the resonant circuit with a position detection sensor through electromagnetic inductive coupling. The core body includes a pen point portion and a tail portion forming magnetic poles on opposite sides, the pen point portion protruding outwardly from one of the openings of the casing of the electronic pen and being located away from an end of the magnetic core on a pen-point side in the axial direction of the electronic pen.

Abstract: The present embodiment may provide a touch sensing circuit including: an analog signal processing circuit including one or more adjustable filters configured to receive a touch sensing signal from a touch electrode of a panel and to transmit some of a frequency region of the touch sensing signal; and a touch control circuit configured to determine a change in capacitance of the touch electrode attributable to an object approaching the panel and to transmit a controlling signal to control the adjustable filters of the analog signal processing circuit. The adjustable filter of the present embodiment may include a variable resistor or a variable capacitor. A resistance value or capacitance value of the adjustable filter may be changed in response to the controlling signal, thus changing a frequency pass band of the touch sensing signal.

Abstract: A display device includes a display unit that includes a plurality of light emitting areas; a plurality of touch electrodes disposed between the plurality of light emitting areas and that sense a touch; a light blocking member that forms a code pattern by covering a portion of a front surface of at least one of the plurality of touch electrodes with a preset code shape; and a reflective electrode formed on a rear surface of the light blocking member and that has an area that at least partially overlaps the light blocking member and reflects light from the front surface.

Abstract: Systems, methods, and apparatuses for providing dynamic, prioritized spectrum utilization management. The system includes at least one monitoring sensor, at least one data analysis engine, at least one application, a semantic engine, a programmable rules and policy editor, a tip and cue server, and/or a control panel. The tip and cue server is operable utilize the environmental awareness from the data processed by the at least one data analysis engine in combination with additional information to create actionable data.

Abstract: An information handling system stylus transmits a wireless signal at a writing tip to enhance touch detection of the writing tip by a touchscreen display and receives wireless signals from the touchscreen display at a receiving antenna. To enhance control of wireless energy distributed at the writing tip, the receiving antenna is selectively coupled to the writing tip, such as by transitioning from a float of the receiving antenna to an interface with the stylus power source at transmit by the writing tip. Charge at the receiving antenna helps to shape the energy distribution from the writing tip, such as to match the energy distribution of other styluses in use at the touchscreen display.

Abstract: A display device includes a display unit including a plurality of light emitting areas, a plurality of touch electrodes disposed between the plurality of light emitting areas to sense a touch, a plurality of light blocking pattern layers formed by covering intersection areas of driving electrodes and sensing electrodes among the plurality of touch electrodes, a plurality of connection electrodes formed on the plurality of light blocking pattern layers to electrically connect the driving electrodes or the sensing electrodes adjacent to each other, and a plurality of code patterns formed of the same material as the plurality of light blocking pattern layers through the same process.

Abstract: A touch panel, a method for testing the touch panel and a display device are provided. In order to test the touch panel, all touch electrodes are connected in series to obtain a branch during the testing phase, a test signal is inputted to the branch, and a feedback signal outputted by the branch is analyzed for determination. All the touch electrodes are isolated from each other during a phase rather than the testing phase. Therefore, whether a touch electrode is abnormal is determined by controlling all the touch electrodes to be connected in series during the testing phase and isolated from each other during the phase rather than the testing phase, to improve efficiency for testing a touch electrode and simplifying the process of testing the touch electrode.

Abstract: A controller is provided for interactive classification and recognition of an object in a scene using tactile feedback. The controller includes an interface configured to transmit and receive the control, sensor signals from a robot arm, gripper signals from a gripper attached to the robot arm, tactile signals from sensors attached to the gripper and at least one vision sensor, a memory module to store robot control programs, and a classifier and recognition model, and a processor to generate control signals based on the control program and a grasp pose on the object, configured to control the robot arm to grasp the object with the gripper.

Abstract: A touch method, a touch circuit and a touch device are provided. The touch method includes: in ath touch time period, providing a touch driving signal to ath touch driving electrode; wherein a is a positive integer, a is less than or equal to A, and A is a positive integer; in ath background data detection time period, providing a touch accompanying signal to N touch driving electrodes adjacent to the ath touch driving electrode; wherein N is a positive integer; and performing touch detection according to ath touch sensing signal on touch sensing electrodes in the ath touch time period and ath background data voltage signal on the touch sensing electrodes in the ath background data detection time period; wherein an amplitude of the touch accompanying signal is less than an amplitude of the touch driving signal.

Abstract: Embodiments of the present disclosure relate to a touch display device and, more particularly, to a touch display device including a touch panel that can reduce the number of signal lines and the number of touch channels and can prevent or reduce a ghost phenomenon in multi-touching. In particular, the touch display device includes a woven type touch panel in which touch electrodes are formed by disposing electrodes to be entangled and electrically connecting the entangled electrodes such that electrically disconnected points exist, thereby being able to reduce the number of signal lines and the number of touch channels and prevent or reduce a ghost phenomenon in multi-touching.

Abstract: A method is presented for providing haptic feedback through a touch-sensitive input device configured to provide input to a touch-sensitive computing device. The method comprises determining a haptic perception factor based on a set of computing device inputs received from sensors of the touch-sensitive computing device, the computing device inputs including at least a posture of the touch-sensitive computing device. A haptic response profile is determined based on the haptic perception factor. Haptic devices of the touch-sensitive input device are actuated based on the determined haptic response profile. Responsive to determining a change in the haptic perception factor based on a change in the posture of the touch-sensitive computing device the haptic response profile is then adjusted based on the changed haptic perception factor. The haptic devices of the touch-sensitive input device are then actuated based on the adjusted haptic response profile.

Abstract: A method of communicating between a physical control device and an electronic device is disclosed herein, the physical control device having a plurality of conductive protrusions detectable by a touch screen of the electronic device when placed in contact with the touch screen. The method comprises identifying, via the electronic device, the physical control device in contact with the touch screen based on a conductive pattern of the conductive protrusions detected by a capacitive touch sensor panel of the touch screen. The method further includes performing a first action at the electronic device in accordance with an input to the physical control device that causes a change in a characteristic of the conductive pattern of the plurality of conductive protrusions detected by the capacitive touch sensor panel, and ignoring a touch input at the capacitive touch sensor panel from a housing of the physical control device.

Abstract: An object of the present disclosure is to provide a tactile presentation control apparatus that can provide an operation feeling of a dial knob that allows intuitive operation by a tactile sense of the user, and is user-friendly. A tactile presentation control apparatus according to the present disclosure that has a tactile presentation knob placed on an operation surface and presents a tactile sense to a user via the tactile presentation knob. The tactile presentation control apparatus includes a tactile determination unit that determines the tactile sense according to a state of an apparatus operated with the tactile presentation knob, and a tactile control unit that performs control to present, as the tactile sense determined by the tactile determination unit, a frictional force between the tactile presentation knob and the operation surface in a state where the tactile presentation knob and the operation surface have contact with each other.

Abstract: A digitizer includes a base member including a front surface and a rear surface opposing the front surface, first sensing lines disposed on the base member, arranged in a second direction, and extending in a first direction crossing the first direction, and second sensing lines disposed on the base member, spaced apart from the first sensing lines, arranged in the first direction, and extending in the second direction. The base member is foldable about an imaginary folding axis extending in the second direction and is provided with a through-hole penetrating at least a portion of the base member. The through-hole is surrounded by the first sensing lines and the second sensing lines.

Abstract: Differential driving and/or sensing can reduce noise in a touch screen. In some examples, the touch screen can include column and row electrodes routed vertically in the active area. In some examples, the touch electrodes and/or routing traces can be implemented using metal mesh in first and second metal layers. To improve optical performance, overlapping portions of metal mesh can be designed to provide an appearance of uniform width/area. In some examples, a dielectric layer can have an increased thickness and/or a reduced dielectric constant, and/or metal mesh in the first metal layer can be flooded with a transparent conductive material. In some examples, routing traces can be disposed beneath touch electrodes and/or metal mesh for touch electrodes can be flooded with a transparent conductive material without flooding metal mesh for routing traces. In some examples, touch electrodes can be interleaved within a touch node to improve differential cancelation.

Abstract: A touch screen detection chip combination includes a master detection chip and a slave detection chip. The master detection chip and the slave detection chip process touch signals of different regions of a touch screen. The master detection chip is connected to the slave detection chip, and the master detection chip controls the slave detection chip to perform touch signal process on the touch screen. A terminal device is further provided.

Abstract: A light emitting display apparatus is provided, in which at least two touch electrodes are connected with a touch driver through a single touch line and their areas are different from each other, and the light emitting display apparatus comprises a substrate, touch electrodes provided on the substrate, touch lines provided on the substrate, a cover layer covering the touch electrodes and the touch lines, a light emitting driving layer provided on an upper end of the cover layer, and a touch driver connected with the touch lines, wherein at least two touch electrodes are connected to one touch line, and areas of at least two touch electrodes connected to one touch line are different from each other.

Abstract: The disclosure discloses a touch panel, a display panel and a display device. A plurality of touch electrodes, a bonding region and a plurality of touch wires are included, where one touch wire is electrically connected to one touch electrode; and a touch group is formed by an ith touch electrode and an n-i+1th touch electrode in a touch electrode column, touch wires electrically connected to two touch electrodes in a same touch group are arranged adjacently.

Abstract: Present disclosure provides a touch display device comprising a display panel including an inner area forming a first step between a first touch electrode metal with first critical dimension and a lower electrode layer, and an edge area having at least one of CD compensation area, which is located outside of the inner area, forming a second step between a second touch electrode metal with second critical dimension larger than the first critical dimension and the lower electrode layer; and a touch circuit for sensing touch presence or touch location by using a touch sensing signal received from the touch electrode metals.

Abstract: Provided is a flexible touch panel.

Abstract: Disclosed is a display device having touch sensors which may improve visibility. In the display device, the touch sensors having a multilayer structure including a blackened layer are arranged on an encapsulation assembly arranged to cover light emitting elements, and touch pads having a multilayer structure including a partially transparent conductive layer are arranged on a region of a substrate exposed by the encapsulation assembly. Therefore, the blackened layer may prevent reflection of external light and thus visibility may be improved, and the partially transparent conductive layer may lower sheet resistance of the touch pads and thus contact resistance between the touch pads and a driver integrated circuit may be reduced.

Abstract: A capacitive touch panel includes a plurality of x-line channels extending in a first direction, a plurality of y-line channels extending in a second direction, different from the first direction, and processing circuitry configured to apply a first voltage to the x-line channels, apply a second voltage to the y-line channels, the first voltage and the second voltage having opposite phases to each other, and sense a contact on at least one of intersections of the plurality of x-line channels and the plurality of y-line channels.

Abstract: A display device includes a display panel; a polarizing film disposed on the display panel; a touch film disposed on the polarizing film; a light control film disposed on the touch film; a barrier film disposed over the polarizing film; and a cover window disposed on the barrier film.

Abstract: A display device including: a pixel part including pixels; a sensor part overlapping the pixel part and including sensors; and a sensor driver that transmits a sensing signal to p sensors in a first area of the sensor part in a first mode, transmits the sensing signal to q sensors in the first area in a second mode, and transmits the sensing signal to r sensors in the first area in a third mode, wherein p is an integer greater than 0, q and r are integers greater than p, and the sensor driver sets a sensing frequency, the first area, the number of sensing times per sensing frame period, whether or not the sensor driver is synchronized with a timing signal of the pixel part, or a voltage level of the sensing signal, to be different in the second mode and the third mode.

Abstract: An electronic device obtains an included angle between a touchscreen (a curved screen with a radian on a side edge) and a horizontal plane; starts a camera in response to the included angle between the touchscreen and the horizontal plane falling within a first preset angle range; obtains a distance between the electronic device and a user and a face yaw degree of the user in response to the camera collecting a face image; and performs anti-mistouch processing on a preset mistouch operation of the user on the touchscreen in response to the distance between the electronic device and the user being less than a first distance threshold and the face yaw degree falling within a second preset angle range.

Abstract: The present disclosure provides a display substrate and a manufacturing method therefor, and a display device. The display substrate includes: a substrate base, including a first region and a second region; a plurality of sub-pixels, at least one sub-pixel including a light-emitting element including a first electrode, a light-emitting layer, and a second electrode; a plurality of first power lines electrically connected to the first electrode; a first power bus electrically connected to the plurality of first power lines; a second power line electrically connected to the second electrode and including a first portion and a second portion, a gap existing between the second portion of the second power line and the first power bus; a first insulating layer covering the first power bus, the second power line, and the gap; a conductive layer on the first insulating layer; and a plurality of touch electrode lines.

Abstract: A display panel, a touch control structure and a display device are provided. The display panel includes a touch control structure layer including a plurality of mesh pattern units which are polygons formed by metal wires. The touch control structure layer includes a bridge layer, an insulating layer and a touch control layer. The touch control layer includes a plurality of first touch control electrodes and first connecting parts arranged along a first extending direction and a plurality of second touch control electrodes arranged along a second extending direction. The plurality of first touch control electrodes and first connecting parts are alternately arranged and serially coupled, and the second touch control electrodes are arranged at intervals.

Abstract: A touch sensor includes a sensor unit including a plurality of first electrodes in an active area spaced apart from each other, and at least one second electrode, a plurality of sensing channels respectively coupled to one of the first electrodes, and each sensing channel including a reference node having a variable voltage coupled to the at least one second electrode, and a processor configured to receive output signals from the sensing channels, and detect a touch input based on the output signals. The plurality of sensing channels may be configured to supply driving signals to respective first electrodes during a first period, receive sensing signals from respective first electrodes during a second period, and generate the output signals corresponding to the sensing signals received from respective first electrodes based on potentials of the respective reference nodes. A method of driving a touch sensor also is disclosed.

Abstract: The present disclosure provides a manufacturing method for a piezoelectric ceramic chip, a piezoelectric ceramic chip assembly and a display device. The manufacturing method includes: transferring a piezoelectric ceramic layer and a bottom electrode covering the piezoelectric ceramic layer formed on a substrate to a base plate, forming an insulating layer with an opening on the base plate, so that edges of the piezoelectric ceramic layer and the bottom electrode are covered by the insulating layer, and the piezoelectric ceramic layer is exposed from the opening; etching the base plate by immersing the base plate in an etching solution for etching a material of the bottom electrode; and forming a top electrode in the opening of the insulating layer, so that the top electrode is spaced apart from the insulating layer.

Abstract: A method of operating a display includes performing a non-synchronized touch scan pattern on a display with a controller coupled to the display. The non-synchronized touch scan pattern schedules touch scans independent of a refresh rate of the display. Upon the controller detecting a first synchronization pulse from a display controller coupled to the controller and the display, a first pulse-checking timer is started. Upon detecting a second synchronization pulse from the display controller and before the first pulse-checking timer expires, a first display refresh rate for the display is obtained from an interval between the first synchronization pulse and the second synchronization pulse. A synchronized touch scan pattern is performed with the controller, and is scheduled to avoid touch scans coinciding with refreshes of the display performed at the first display refresh rate.