Abstract: A power supply apparatus, including: a first power supply component, a power over Ethernet (POE) component, a second power supply component, a first controller, and a power supply path management component. The first power supply component is respectively connected to the first controller and the power supply path management component, the POE component is connected to the first controller, and the first controller and the second power supply component are respectively connected to the power supply path management component. The first controller is configured to: detect whether the first power supply component supplies power; close a power supply path of the POE component when the first power supply component supplies power normally; and control the power supply path management component to open a power supply path of the second power supply component when the POE component supplies power abnormally and the first power supply component does not supply power.

Abstract: The present disclosure provides a display control method and a display control apparatus, a video processing apparatus and a display system. The display control method includes the following steps: determining whether a received switching instruction is a multi-image display instruction; extracting a plurality of video identifiers from the multi-image display instruction in a case where the switching instruction is the multi-image display instruction; multiplexing input videos of a plurality of channels corresponding to the plurality of the video identifiers to generate a first video; and sending the first video to a display apparatus for multi-image display.

Abstract: The present disclosure discloses a pluggable display system, including a host subsystem and a panel subsystem. The host subsystem includes a first board connector, a master control module, and a plugging detection circuit. The panel subsystem includes a power supply module and an interface module. The interface module includes a second board connector. The plugging detection circuit is configured to detect a connection relation between the first board connector and the second board connector and send a detection result to the master control module. The master control module is configured to determine whether a start-up condition is satisfied according to the detection result of the plugging detection circuit if a standby signal is received, and send a power enable signal to the power supply module if the start-up condition is satisfied.

Abstract: A charging circuit and an electronic device are provided. The charging circuit includes a transmitting circuit. The transmitting circuit is configured to wirelessly transmit electric energy to a receiving circuit, receive a feedback signal of the receiving circuit, and wirelessly transmit a control signal to the receiving circuit.

Abstract: Disclosed embodiments include devices, systems, and methods for real time marker less tumor tracking (RMTT). In various embodiments, the RMTT embodiments use positron emission tomography (PET) and time of flight data to determine a 3D position of the tumor. The 3D position of the tumor may be continuously determined multiple times per section during a radiation therapy session to track the position of a moving tumor in real time. The real time tumor tracking data may be used to position a radiation source to deliver radiation directly to the tumor at all times during radiation therapy to improve the effectiveness of radiation treatments.

Abstract: An interface switching apparatus, communication equipment, and an interface switching method. The first end of the interface converting assembly is connected to a common interface, the second end of the interface converting assembly is connected to the controller, and the interface converting assembly is configured to control the common interface to connect to a target interface of at least two peripheral interfaces according to a control signal sent by the controller; the detection assembly is connected to the controller and the at least two peripheral interfaces, respectively, the detection assembly is configured to detect voltage signals at the at least two peripheral interfaces; the controller is configured to determine, according to the voltage signal, a target interface to which an external device is connected of the at least two peripheral interfaces, generate the control signal, and send the control signal to the interface converting assembly.

Abstract: A supply apparatus, including: a first power supply component, a power over Ethernet (POE) component, a second power supply component, a first controller, and a power supply path management component. The first power supply component is respectively connected to the first controller and the power supply path management component, the POE component is connected to the first controller, and the first controller and the second power supply component are respectively connected to the power supply path management component. The first controller is configured to: detect whether the first power supply component supplies power; close a power supply path of the POE component when the first power supply component supplies power normally; and control the power supply path management component to open a power supply path of the second power supply component when the POE component supplies power abnormally and the first power supply component does not supply power.

Abstract: A system for information interaction includes: a first terminal and an information interaction platform. A binding relationship exists between the first terminal and a vehicle. The information interaction platform is configured to authorize a second terminal according to location information of the vehicle; and the information interaction platform is further configured to send content presentation information to the second terminal according to authorization results.

Abstract: An electronic board, a system and a control method for controlling the electronic board are disclosed. A system for controlling an electronic board includes: a display screen, a data receiving circuit, a control circuit and a communication circuit, wherein the data receiving circuit is configured to receive first board data, where the first board data is unique data of the electronic board, the control circuit is configured to generate to-be-displayed board content according to the first board data and the second board data, the second board data is background template data, and the board content is content in a picture format; the communication circuit is configured to send the board content generated by the control circuit to one or more electronic boards.

Abstract: A system for information interaction includes: an electronic tag configured to present a two-dimensional code; a binding relationship existing between a first terminal and the two-dimensional code; a second terminal configured to: scan the two-dimensional code, generate login request information, send the login request information to the information interaction platform, the login request information including identifier information of the second terminal; receive content presentation information corresponding to the two-dimensional code returned by the information interaction platform, according to the identifier information, and perform information interaction with the first terminal according to a communication manner selected from the content presentation information; and an information interaction platform configured to receive the login request information, authorize and authenticate the second terminal according to the identifier information, and send the content presentation information to the second

Abstract: The present disclosure provides an electric power balance processing method applied to a network system including a communication device and a plurality of terminal electronic devices, wherein each terminal electronic device can communicate with the communication device, and the terminal electronic devices also communicate with each other. The method includes: acquiring remaining electric power of each terminal electronic device; determining an abnormal power-consuming device in the network system based on the remaining electric power of each terminal electronic device; determining a relay device and a device to be relayed from the plurality of terminal electronic devices based on the abnormal power-consuming device; using the relay device to construct a relay transmission channel for data transmission between the device to be relayed and the communication device.

Abstract: The present disclosure discloses an automatic explanation method, comprising: establishing communication with a presentation terminal and acquiring a terminal identifier of the presentation terminal; uploading the terminal identifier to a server and receiving returned explanation content information comprising an explanation content which matches a presentation content of the presentation terminal; and outputting the explanation content. The present disclosure further discloses an explanation terminal, a server, a presentation terminal, a system, an electronic device, and a storage medium.

Abstract: The present disclosure provides a charging assembly for charging an electronic device and an electronic device system including the charging assembly. The charging assembly includes a charging transmission line, a fixing member and a telescopic member. A first end of the telescopic member is fixedly arranged on the fixing member, an input part of the charging transmission line is fixed at a second end of the telescopic member, and the telescopic member is retractable and extendable so that the input part is moved toward or away from the fixing member to be disconnected or connected to a power source.

Abstract: A key control device and a key control method are disclosed. The key control device includes: an encoder circuit including a first output terminal and a second output terminal and configured to output a first voltage signal and a second voltage signal through the first output terminal and the second output terminal respectively, under triggering of a rotational operation; a first interface extension circuit configured to receive the first voltage signal and the second voltage signal, and generate an interrupt signal and voltage state transition data in response to the first voltage signal or the second voltage signal output by the encoder circuit; and a main control circuit configured to determine a rotation direction of the rotation operation according to the interrupt signal and the voltage state transition data.

Abstract: An electronic tag includes an electronic tag body. The electronic tag body includes a housing, a display screen configured to display information, and a sensor and a main controller that are disposed inside the housing. The sensor is configured to detect an ambient temperature of an environment in which the electronic tag body is located. The main controller is configured to shut off power supplied to the display screen in response to the ambient temperature detected by the sensor being beyond an operating temperature range of the display screen.

Abstract: An interface switching apparatus, communication equipment, and an interface switching method. The first end of the interface converting assembly is connected to a common interface, the second end of the interface converting assembly is connected to the controller, and the interface converting assembly is configured to control the common interface to connect to a target interface of at least two peripheral interfaces according to a control signal sent by the controller; the detection assembly is connected to the controller and the at least two peripheral interfaces, respectively, the detection assembly is configured to detect voltage signals at the at least two peripheral interfaces; the controller is configured to determine, according to the voltage signal, a target interface to which an external device is connected of the at least two peripheral interfaces, generate the control signal, and send the control signal to the interface converting assembly.

Abstract: The present disclosure provides an electric power balance processing method applied to a network system including a communication device and a plurality of terminal electronic devices, wherein each terminal electronic device can communicate with the communication device, and the terminal electronic devices also communicate with each other. The method includes: acquiring remaining electric power of each terminal electronic device; determining an abnormal power-consuming device in the network system based on the remaining electric power of each terminal electronic device; determining a relay device and a device to be relayed from the plurality of terminal electronic devices based on the abnormal power-consuming device; using the relay device to construct a relay transmission channel for data transmission between the device to be relayed and the communication device.

Abstract: A system for information interaction includes: an electronic tag configured to present a two-dimensional code; a binding relationship existing between a first terminal and the two-dimensional code; a second terminal configured to: scan the two-dimensional code, generate login request information, send the login request information to the information interaction platform, the login request information including identifier information of the second terminal; receive content presentation information corresponding to the two-dimensional code returned by the information interaction platform, according to the identifier information, and perform information interaction with the first terminal according to a communication manner selected from the content presentation information; and an information interaction platform configured to receive the login request information, authorize and authenticate the second terminal according to the identifier information, and send the content presentation information to the second

Abstract: A charging circuit and an electronic device are provided. The charging circuit includes a transmitting circuit. The transmitting circuit is configured to wirelessly transmit electric energy to a receiving circuit, receive a feedback signal of the receiving circuit, and wirelessly transmit a control signal to the receiving circuit.

Abstract: A charging circuit, an electronic device and a charging circuit system are provided. The charging circuit includes a receiving circuit and a signal processing circuit coupled to the receiving circuit; the receiving circuit is configured to receive electric energy wirelessly transmitted by a transmitting circuit and wirelessly transmit a feedback signal to the transmitting circuit according to the electric energy; and the signal processing circuit is configured to receive a control signal wirelessly transmitted by the transmitting circuit and process the control signal.