In a display system, a display device includes a plurality of common electrodes commonly used for image display and touch detection. A second drive circuit supplies a touch drive signal to each of the plurality of common electrodes. A touch detection circuit detects a touch by an object on the display device based on a detection signal received from each of the plurality of common electrodes. The touch drive signal includes a harmonic having a frequency different from a designated frequency and does not include a harmonic having the designated frequency.

A method for comprises determining, for an interaction between a user computing device and the interactive computing device, an interaction type. The method further comprises determining a plurality of data types for supporting the interaction based on the interaction type. The method further comprises determining available communication types of a plurality of communication types for supporting the interaction. The method further comprises determining a first data type is restricted to transmitting via a screen to screen (STS) communication. The method further comprises determining a second data type of the plurality of data types is allowed for transmitting via a second communication type. When the available communication types include STS communication and the second communication type, facilitating execution of the interaction utilizing the STS communication for transmitting data having the first data type and utilizing the second communication type for data having the second data type.

A sensing device includes at least one vibration sensor that responds to sensed vibrations. At least one drive-sense circuit is coupled to the vibration sensor, wherein the at least one drive-sense circuit includes: a first conversion circuit configured to convert a receive signal component of a sensor signal corresponding to the at least one vibration sensor into the sensed signal, wherein the sensed signal indicates a change in an electrical characteristic associated with the at least one vibration sensor; and a second conversion circuit configured to generate, based on the sensed signal, a drive signal component of the sensor signal corresponding to the at least one vibration sensor.

A display device including: a display unit having a plurality of pixels; a plurality of touch electrodes disposed on the display unit; a touch line connected to a first end of each of the plurality of touch electrodes; a common voltage line spaced apart from the plurality of touch electrodes; and a plurality of switching elements connected between the common voltage line and a second end of each of the plurality of touch electrodes.

A touch display device includes a display controller configured to output a control signal and a first touch synchronization signal defining a display period and a touch period, a gate driving circuit configured to receive a high-level gate voltage and the control signal, and output a gate voltage pulse, a display panel comprising gate lines to which the gate voltage pulse is input and sub-pixels, a touch controller configured to receive the first touch synchronization signal, and output a pulse width modulation signal, and a touch power circuit configured to output a voltage generated based on the pulse width modulation signal to the gate driving circuit in at least a first period of the touch period, and output the high-level gate voltage to the gate driving circuit based on a second touch synchronization signal that defines a pseudo display period in a second period of the touch period.

Provided is a display apparatus. The display apparatus comprises a display panel including a front portion including a display area and a non-display area, a bending portion, and a back portion bent from the bending portion and disposed rearward of the front portion; a plurality of touch routing lines disposed in the non-display area and electrically connected to a plurality of touch electrodes disposed in the display area; and a plurality of auxiliary lines disposed below the plurality of touch routing lines, in which the plurality of touch routing lines are discontinuously disposed on the bending portion while having a predetermined length.

A computing subsystem includes a plurality of drive-sense circuits operable for coupling to a plurality of loads and a processing module operable for coupling to the plurality of drive-sense circuits. A drive-sense circuit generates a small magnitude analog drive signal based on a reference signal, regulates the small magnitude analog drive signal as a characteristic of a load, generates a change signal based on regulation of the small magnitude analog drive signal, and generates a digital signal based on the change signal, wherein the digital signal is indicative of the characteristic of the load. The processing module is operable to receive a set of digital signals from at least some of the plurality of drive-sense circuits and process the set of digital signals to produce a plurality of frames of load data regarding the plurality of loads.

The present invention relates to a proximity sensor and a proximity sensing method. The proximity sensor includes a sensing element and a sensing circuit. The sensing circuit is coupled to the sensing element and transmits a first driving signal and a second signal to the sensing element, respectively. The sensing element receives the first driving signal and the second driving signal, respectively, and generates a first sensing signal and a second sensing signal, respectively. The sensing circuit generates a proximity signal according to the first sensing signal and the second sensing signal. Therefore, the present invention may improve the accuracy of sensing the proximity of the human body whether near to the sensor. In addition, the sensing circuit is further coupled to a radio-frequency circuit, and the sensing circuit transmits a driving signal or/and receives a sensing signal according to the state of the radio-frequency circuit, thereby reducing interference of the sensing circuit to the radio-frequency circuit.

A touch panel system includes a touch panel including a drive electrode, a position detection electrode, and a pressing detection electrode, and a controller configured to impart a drive signal to the drive electrode and acquire signal values from each of the position detection electrode and the pressing detection electrode. The controller detects a position of an indicator on the basis of the signal values obtained from the position detection electrode and calculates a magnitude of pressing of the indicator on the basis of signal values in a pressing detection range corresponding to the detected position of the indicator among the signal values obtained from the pressing detection electrode.

A user-input system includes a force-measuring device, a cover member, and an elastic circuit board substrate interposed between the force-measuring device and the cover member and mechanically coupled to the cover member and to the force-measuring device. The force-measuring device includes a strain-sensing element. The force-measuring device is mounted to and electrically connected to the elastic circuit board substrate. The cover member undergoes a primary mechanical deformation in response to forces imparted at the cover member. The elastic circuit board substrate transmits a portion of the primary mechanical deformation to the force-measuring device resulting in a concurrent secondary mechanical deformation of the force-measuring device. The strain-sensing element is configured to output voltage signals in accordance with a time-varying strain at the strain-sensing element resulting from the secondary mechanical deformation.