A touch input system includes a touch panel, configured to transmit an uplink signal; and an active stylus, configured to analyze the uplink signal, synchronize timing and bi-directionally communicate with the touch panel according to the uplink signal; wherein the uplink signal includes a preamble, for synchronizing the timing; a digital data, for bi-directionally communicating between the active stylus and the touch panel; and a cyclic redundancy check, for executing an error check and an error correction for data.

An information processing method includes, in a situation that a connection between a first electronic device and a second electronic device is established for first time, obtaining identity information of the second electronic device; obtaining a communication protocol corresponding to the identity information; and based on a data path formed after the first electronic device is connected to the second electronic device, sending the communication protocol to the second electronic device, to enable the second electronic device to communicate with the first electronic device based on the communication protocol.

A display device includes a thin-film transistor layer disposed on a substrate, the thin-film transistor layer including a thin-film transistor, a light emitting element layer disposed on the thin-film transistor layer, the light emitting element layer including a pixel defining layer defining emission areas, and a pixel electrode disposed in each of the emission areas, a touch electrode disposed on the light emitting element layer, the touch electrode overlapping the pixel defining layer and sensing a touch, and a code pattern defined by a planar shape of the pixel defining layer that is distinguished from the pixel electrode and the touch electrode, the code pattern having position information.

A screen projection control method, storage medium and communication apparatus are provided. The screen projection control method includes: a screen projection receiving end receiving screen projection request information from a first screen projection sending end; determining, according to the screen projection request information, whether a third screen projection sending end that has triggered an interference-free mode of screen projection exists in at least one second screen projection sending end that is performing screen projection, wherein enabling the interference-free mode comprises stopping accepting a screen projection request; and if the third screen projection sending end that has enabled the screen projection interference-free mode exists, the screen projection receiving end sending response information for refusing the screen projection request to the first screen projection sending end.

According to various embodiments of the disclosure, an electronic device may include: a hinge plate coupled at least in part between a first support including a first magnet and a second support including a second magnet, a first housing coupled at least in part to a first side of the hinge plate through the first support, a second housing coupled at least in part to a second side of the hinge plate through the second support and configured to be foldable with the first housing through the hinge plate, and a flexible display supported on the first and second supports and configured to be foldable. The flexible display may include: a display panel; a support plate disposed on a lower surface of the display panel; a first digitizer and a second digitizer disposed on a lower surface of the support plate spaced apart from each other through a second gap; a first-first shielding member comprising a magnetic shielding material and a first-second shielding member comprising a magnetic shielding material disposed on lower surfaces of the first and second digitizers spaced apart from each other through a third gap; a first metal plate and a second metal plate disposed on lower surfaces of the first-first and first-second shielding members spaced apart from each other through a fourth gap; a third-first shielding member comprising a magnetic shielding material disposed on an upper surface of a first magnetization region of the first support in a first space between the first metal plate and the first support, and a third-second shielding member comprising a magnetic shielding material spaced apart from the third-first shielding member through a sixth gap and disposed on an upper surface of a second magnetization region of the second support in a second space between the second metal plate and the second support; and a fourth-first shielding member comprising a magnetic shielding material disposed on an upper surface of the third-first shielding member and surrounding at least a portion of the third-first shielding member through the sixth gap, and a fourth-second shielding member comprising a magnetic shielding material spaced apart from the fourth-first shielding member through the sixth gap, disposed on an upper surface of the third-second shielding member, and surrounding at least a portion of the third-second shielding member through the sixth gap.

The present application discloses a handwriting generation method and apparatus, a storage medium, an electronic device, and a system, which relate to the technical field of data processing. In the method, according to the acquisition time of the writing coordinate data collected by the first device and the acquisition time of the writing pressure data collected by the second device, the writing coordinate data and the writing pressure data may be matched to obtain accurate fused writing information, and handwriting may be finally generated according to the fused writing information.

An embodiment provides a touch circuit including a touch driving circuit supplying touch driving signals to touch electrodes, a touch sensing circuit sensing capacitance changes of the touch electrodes through touch sensing lines, and multiplexers, connected with the touch sensing lines, each transferring a capacitance change of a touch electrode to the touch sensing circuit. Some of the touch electrodes of the touch circuit are selectively short-circuited depending on a driving mode of the touch circuit and the touch electrodes are electrically connected with each other through the connection of nodes of the touch electrodes.

A method in which a sensor controller is connected to a sensor having an electrode group provided together with a display panel configured to operate in during a variable refresh cycle among a plurality of refresh cycles, and an active stylus performs bidirectional communication with the sensor controller. According to the method, the sensor controller acquires a present refresh cycle among the plurality of refresh cycles of the display panel, generates an uplink signal, which serves as a reference for synchronization corresponding to the acquired present refresh cycle, and transmits the uplink signal to the active stylus, which is not detected as yet or is detected already, at the present refresh cycle.

An electronic device includes: a display panel configured to display an image; an input sensor on the display panel; and a sensor controller configured to detect a first input by at least one of a plurality of input devices through the input sensor, and wherein the sensor controller is configured to detect the first input during an input detection frame, wherein the input detection frame includes a search section in which a plurality of search signals are provided to the input sensor, and wherein the plurality of search signals include two or more search signals capable of communicating through two or more different protocols, respectively.

A computing device includes signal generation circuitry and also includes a location on the computing device that is operative to couple a signal generated by the signal generation circuitry into a user. For example, the computing device includes signal generation circuitry that generates a signal that includes information corresponding to a user and/or an application that is operative within the computing device. The signal generation circuitry couples the signal into the user from a location on the computing device based on a bodily portion of the user being in contact with or within sufficient proximity to the location on the computing device that facilitates coupling of the signal into the user. Also, the signal may be coupled via the user to another computing device that includes a touchscreen display that is operative to detect and receive the signal.