Abstract: The present disclosure provides a method and device of transmitting a video signal, a method and device of receiving a video signal, and a display device. The method of transmitting the video signal includes: acquiring the video signal, wherein the video signal contains a plurality of frame data; embedding configuration data for at least one frame data of the video signal in a previous invalid interval of the at least one frame data; and transmitting the video signal embedded with the configuration data.

Abstract: The present disclosure relates to a charging system, a foreign object detection method and component, and a charging control method and device, which belong to the wireless technical field. The foreign object detection method includes receiving a voltage value and a current value of the transmitting coil, and determining a mutual inductance value of the transmitting coil according to the voltage value and the current value of the transmitting coil; receiving a voltage value and a current value of the receiving coil, and determining a mutual inductance value of the receiving coil according to the voltage value and the current value of the receiving coil; and determining whether there is a conductor foreign object between the receiving coil and the transmitting coil according to the mutual inductance value of the transmitting coil and the mutual inductance value of the receiving coil.

Abstract: Provided are a method and an apparatus for controlling power consumption, a board, an electronic device and a storage medium. The method is applied to a board, and the board includes a dynamic random memory. The method includes: obtaining a data flow of the board; and controlling an active bandwidth of the dynamic random memory according to the data flow.

Abstract: The present disclosure relates to a charging system, a foreign object detection method and component, and a charging control method and device, which belong to the wireless technical field. The foreign object detection method includes receiving a voltage value and a current value of the transmitting coil, and determining a mutual inductance value of the transmitting coil according to the voltage value and the current value of the transmitting coil; receiving a voltage value and a current value of the receiving coil, and determining a mutual inductance value of the receiving coil according to the voltage value and the current value of the receiving coil; and determining whether there is a conductor foreign object between the receiving coil and the transmitting coil according to the mutual inductance value of the transmitting coil and the mutual inductance value of the receiving coil.

Abstract: The present disclosure provides a method and device for switching a display channel, a display driving device and a display device. The method includes: sending a first switching signal to a write controller of a current display channel when a switching instruction for switching from the current display channel to a target display channel is received; acquiring a frame address in which final write operation of data is completed, and taking the frame address as a first address and a next frame address as a second address; sending a second switching signal to a write controller of the target display channel; and sending a third switching signal to a read controller.

Abstract: A bone repair material, a preparation method of the bone repair material, and a biological composite scaffold are provided. The bone repair material includes: a base material, and a carbon nanomaterial and a polypeptide both mixed with the base material; and the carbon nanomaterial and the polypeptide are bonded by chemical bonds. The preparation method includes: bonding a carbon nanomaterial with a polypeptide by chemical bonds; and mixing the carbon nanomaterial and the polypeptide bonded by the chemical bonds with a base material, and performing a molding treatment.

Abstract: Provided are a method and an apparatus for controlling power consumption, a board, an electronic device and a storage medium. The method is applied to a board, and the board includes a dynamic random memory. The method includes: obtaining a data flow of the board; and controlling an active bandwidth of the dynamic random memory according to the data flow.

Abstract: The present disclosure provides a communication method, an Internet of Things (IoT) terminal, a gateway device and an IoT system. A timestamp and a mask are used for operation, and a key is searched from a key table based on an operation result, such that the key can be dynamically generated based on changes of the timestamp without human intervention. Thus, the security of the IoT system is effectively improved without significantly increasing the computational consumption.

Abstract: A communication method is provided. The communication method includes: determining an idle channel by a communication device; executing a first step on the idle channel, wherein the first step includes sequentially transmitting a first channel occupancy signal and monitoring a signal monitoring on the idle channel; repeating the first step for a preset number of times; and communicating on the idle channel in response to no signal being monitored during repetition of the first step.

Abstract: The present disclosure provides a method and device of transmitting a video signal, a method and device of receiving a video signal, and a display device. The method of transmitting the video signal includes: acquiring the video signal, wherein the video signal contains a plurality of frame data; embedding configuration data for at least one frame data of the video signal in a previous invalid interval of the at least one frame data; and transmitting the video signal embedded with the configuration data.

Abstract: A backlight driving circuit includes a pulse width modulator, at least one time-delay sub-circuit and a driving sub-circuit. The pulse width modulator is configured to transmit a control signal including a plurality of pulses. The at least one time-delay sub-circuit is configured to delay at least one pulse of the control signal from the pulse width modulator that is transmitted to the at least one time-delay sub-circuit by a set time. The driving sub-circuit is coupled to the at least one time-delay sub-circuit, and the driving sub-circuit is configured to drive at least one of a plurality of light-emitting devices in a backlight module to be turned on or off according to a control signal from the at least one time-delay sub-circuit obtained after the at least one pulse is delayed.

Abstract: Disclosed are a monitoring system and a monitoring method. The monitoring system includes: a collection device, configured to collect feature data of a baby; and a processor, coupled to the collection device and configured to receive the feature data collected by the collection device, determine a state condition of the baby according to the feature data, and output prompt information corresponding to the state condition.

Abstract: A bone repair material, a preparation method of the bone repair material, and a biological composite scaffold are provided. The bone repair material includes: a base material, and a carbon nanomaterial and a polypeptide both mixed with the base material; and the carbon nanomaterial and the polypeptide are bonded by chemical bonds. The preparation method includes: bonding a carbon nanomaterial with a polypeptide by chemical bonds; and mixing the carbon nanomaterial and the polypeptide bonded by the chemical bonds with a base material, and performing a molding treatment.

Abstract: The present disclosure provides a method and device for switching a display channel, a display driving device and a display device. The method includes: sending a first switching signal to a write controller of a current display channel when a switching instruction for switching from the current display channel to a target display channel is received; acquiring a frame address in which final write operation of data is completed, and taking the frame address as a first address and a next frame address as a second address; sending a second switching signal to a write controller of the target display channel; and sending a third switching signal to a read controller.

Abstract: The present disclosure provides a touch detection method for a touch splicing screen, including: obtaining the following parameters: sizes of each of the display units in a row direction and in a column direction, a width of each of the first splicing intervals, a width of each of the second splicing intervals, and physical position information of a touch point; determining whether the touch point is within an area of the splicing intervals according to the parameters; and calculating, when the touch point is beyond the area of the splicing intervals, a position of a pixel unit corresponding to the touch point according to a resolution of the touch splicing screen, a row number and a column number in an arrangement of the display units, and the parameters.

Abstract: A display method, a display device, an electronic equipment, and a computer readable storage medium are disclosed. The display method is suitable for a display device, and the display device is configured to display in a first display mode and in a second display mode. The display method includes: obtaining user image information; determining whether a user is currently in a fatigue state based on the user image information; and switching the display device from the second display mode to the first display mode and allowing the display device to display in the first display mode if the user is currently in the fatigue state. The first display mode is different from the second display mode.

Abstract: A backlight driving circuit includes a pulse width modulator, at least one time-delay sub-circuit and a driving sub-circuit. The pulse width modulator is configured to transmit a control signal including a plurality of pulses. The at least one time-delay sub-circuit is configured to delay at least one pulse of the control signal from the pulse width modulator that is transmitted to the at least one time-delay sub-circuit by a set time. The driving sub-circuit is coupled to the at least one time-delay sub-circuit, and the driving sub-circuit is configured to drive at least one of a plurality of light-emitting devices in a backlight module to be turned on or off according to a control signal from the at least one time-delay sub-circuit obtained after the at least one pulse is delayed.

Abstract: The embodiments of the present disclosure disclose a video playback apparatus and a video playback method. The video playback apparatus includes: an image sensor, a plurality of strip-shaped displays arranged in a first direction, and a processor connected to each of the strip-shaped displays and the image sensor, respectively, wherein the strip-shaped displays are configured to display information for associated items; the image sensor is configured to acquire image information for a user who moves in the first direction and a direction opposite to the first direction and browses the associated items; and the processor is configured to dynamically control display brightness of the plurality of strip-shaped displays according to the image information for the user, wherein brightness of one of the strip-shaped displays close to the user is greater than brightness of another one of the strip-shaped displays away from the user.

Abstract: A display method, a display device, an electronic equipment, and a computer readable storage medium are disclosed. The display method is suitable for a display device, and the display device is configured to display in a first display mode and in a second display mode. The display method includes: obtaining user image information; determining whether a user is currently in a fatigue state based on the user image information; and switching the display device from the second display mode to the first display mode and allowing the display device to display in the first display mode if the user is currently in the fatigue state. The first display mode is different from the second display mode.

Abstract: The present disclosure provides a touch detection method for a touch splicing screen, including: obtaining the following parameters: sizes of each of the display units in a row direction and in a column direction, a width of each of the first splicing intervals, a width of each of the second splicing intervals, and physical position information of a touch point; determining whether the touch point is within an area of the splicing intervals according to the parameters; and calculating, when the touch point is beyond the area of the splicing intervals, a position of a pixel unit corresponding to the touch point according to a resolution of the touch splicing screen, a row number and a column number in an arrangement of the display units, and the parameters.