A method for electromagnetic interference control and related devices are provided. The method includes the following. Electromagnetic interference between a Wi-Fi module and a MIPI of a display of the electronic device is detected in response to detecting a request for screen-projection to a target screen-projection device. In response to the detected electromagnetic interference, the display is turned off, and screen-projection to the target screen-projection device is performed, where the first prompt message indicates that the electronic device is turning off the display and performing screen-projection to the target screen-projection device.

A system that is configured to coordinate student dismissal at end of day. The system may use a central server to maintain information across multiple different devices, each for different functions in the dismissal process.

Described herein are, among other things, techniques, devices, and systems for streaming pixel data from a host computer to a wireless display device with low latency. In some embodiments, a user mode driver is executed in user mode of the host computer to configure a wireless network interface controller of the host computer to operate in a low latency manner. The display device may use a Forward Error Correction (FEC) algorithm to reconstruct a frame from the data packets it receives from the host computer. Also disclosed are techniques for scrambling the transmission of a series of data packets using different antenna configurations, as well as setting a modulation and coding scheme (MCS) rate based at least in part on the amount of pixel data to be transmitted to the display device. The display device may comprise a head-mounted display (HMD) that renders virtual reality (VR) game imagery.

A display device includes a signal receiver configured to receive an image signal; a display including a plurality of modules each including a plurality of light sources, and display an image based on the received image signal; and a controller configured to perform first uniformity calibration between light sources within each individual module with regard to the modules, and second uniformity calibration between the modules, wherein the controller controls the first uniformity calibration to be applied to the image signal received in the signal receiver based on a first coefficient determined for each of the light sources within each individual module, controls the second uniformity calibration to be applied to the image signal subjected to the first uniformity calibration based on a second coefficient determined for each of the modules, and controls a calibrated image to be displayed based on the image signal subjected to the second uniformity calibration.

The present application provides a differential signal interface and a display device adopting the differential signal interface. A plurality of different differential signals are transmitted between a transmitting end and a receiving end of the differential signal interface by a plurality of differential pairs. A plurality of moderating modules are disposed between the transmitting end and the receiving end. Each moderating module is connected to a corresponding differential pair and is configured to adjust the impedance of the transmitting end and/or the receiving end such that the impedance of the transmitting end and/or the receiving end matches the impedance of the corresponding differential pair.

Disclosed are a communication system of a display screen, a communication method of a display screen, and a cabinet. The communication system includes a signal station, and a display screen spliced by a plurality of cabinets. The signal station and the plurality of cabinets form a star-shaped communication structure to establish a wireless communication connection for wireless signal transmission of information, and a wireless signal is transmitted wirelessly between the plurality of cabinets.

According to an embodiment of the present disclosure, a display device may include a wireless communication unit configured to wirelessly receive a first video signal based on a first video being displayed by a terminal, a display unit configured to display a first mirroring video based on the first video signal, and a control unit configured to receive a user input while the first mirroring video is being displayed, and transmit, to the terminal, a packet that does not include a mouse cursor parameter for requesting coordinates of a mouse cursor when the received user input is a touch input.

Aspects of the subject disclosure may include, for example, receiving, over a network from a plurality of mobile devices via a plurality of installed SDKs, sensor data captured by one or more sensors of the plurality of mobile devices, where the sensor data includes geomagnetic data captured within a particular building; providing, over the network, the sensor data to a geomagnetic mapping server to enable generation of a geomagnetic footprint for the particular building that is aggregated with indoor mapping data for the particular building and stored as a map in a mapping repository; and providing, over the network, the map of the particular building to a communication device for presentation at the communication device along with real-time locations of first responders in the particular building, where the real-time locations are determined according to real-time sensor data including real-time geomagnetic data captured by sensors of the first responders. Other embodiments are disclosed.

A display system is provided that includes: a rotary machine device including a rotary machine and a drive machine causing the rotary machine to rotate; a display device capable of displaying a state of the rotary machine device; a detection section acquiring plural state quantities indicating the state of the rotary machine device; and a display control section displaying a chart on the display device on the basis of the plural state quantities acquired by the detection section, the chart being configured as a multidimensional chart in which the plural state quantities of the rotary machine device at specific time are plotted and the plural state quantities are set as values, each of which corresponds to each axis.

A wireless conferencing system for wirelessly connecting a computerized device with a display device includes at least a data transmitter. The data transmitter includes a transmitter self-powered unit, a data transmission module electrically powered by the transmitter self-powered unit, and a computer interface communicatively lined to the data transmission module, wherein when the computer interface is configured for detachably connecting to the computerized device, the data transmission module is powered and ready for wirelessly transmitting data from the computerized device to the display device without consuming power of the computerized device.