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 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 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.

An example electronic device according to various embodiments may include a display, a wireless communication circuit and at least one processor operatively coupled with the display and the wireless communication circuit, and the at least one processor may be configured to receive motion sensor values from an external electronic device through the wireless communication circuit, count the number of approach indicators received together with the motion sensor values, and discard the received motion sensor values when the number exceeds a threshold value.

A mute-able input device with keystroke tactile feedback includes: a plurality of keys, each including a tactile structure and a sound-generating structure for respectively generating operational tactile feedback and operating sounds; a plurality of adjusting mechanisms, each including an adjusting portion corresponding to one of the keys; at least one switching unit including an operating portion and a switch member, the operating portion connecting the switch member and the adjusting mechanism, the switch member generating a switching signal involving a mode switching between different tactile modes or different sound modes for one or more keys. When the operating portion moves in response to a force, the switch member is triggered to achieve the mode switching; meanwhile, the adjusting portion moves to interfere with at least one of the tactile structure or the sound-generating structure along with the movement of the operating portion.

There is provided a pointing device including a mode switching apparatus that switches the pointing device between a two-dimensional (2D) operational mode and a three-dimensional (3D) operational mode and a sensor configured to determine a pointing direction of the pointing device and locations of a plurality of computing devices. When in the 2D operational mode, the pointing device is paired with a first computing device of the plurality of computing devices and controls the first computing device and when in the 3D operational mode, the pointing device is configured to select a second computing device of the plurality of computing devices additionally to control, the selection based on one or more of the pointing direction of the pointing device and the location of the second computing device.

An image forming apparatus includes a display device, a first detection unit, a second detection unit, a first acquisition unit, and an output unit. The display device displays at least one image for display. The first detection unit detects a user's selection of an image for display in at least one image for display. The second detection unit detects an input to a drawing region of drawing indicating an image quality abnormality with respect to a target image corresponding to the selected image for display. The first acquisition unit acquires drawing information based on the input of the drawing detected by the second detection unit. The output unit outputs the drawing information acquired by the first acquisition unit.

An image forming apparatus includes a display device, a first detection unit, a second detection unit, a first acquisition unit, and an output unit. The display device displays at least one image for display. The first detection unit detects a user's selection of an image for display in at least one image for display. The second detection unit detects an input to a drawing region of drawing indicating an image quality abnormality with respect to a target image corresponding to the selected image for display. The first acquisition unit acquires drawing information based on the input of the drawing detected by the second detection unit. The output unit outputs the drawing information acquired by the first acquisition unit.

A portable device (e.g., a wireless device such as a cell phone) is provided with a flexible keyboard and a flexible display screen. Such flexible components may be stored in the housing of the portable device when not in use. The flexible display screen and flexible keyboard may be expanded from the housing when the flexible components are utilized by a user. Non-flexible display and input components may be provided on the exterior of the portable device such that the device may be used, in some form, while the flexible components are stored. In one embodiment, a portion of the flexible display (or flexible keyboard) may be utilized when the flexible display (or flexible keyboard) is stored in said first housing.