Abstract: A charging method, a camera, and a computer storage medium are provided. The method is applied to a camera configured with a first wireless power supply module. The charging method includes: receiving a starting instruction, and in response to the starting instruction, performing rise processing; when rising to a preset position, establishing wireless connection with a preset terminal, wherein the preset terminal is configured with a second wireless power supply module; and performing charging processing with the preset terminal by means of the first wireless power supply module and the second wireless power supply module.

Abstract: Embodiments of the present disclosure disclose a charging method, a terminal and a computer storage medium. The charging method includes: detecting a battery to obtain a battery charging parameter after turning on a fast charging function; determining whether an abnormal charging occurs according to the battery charging parameter; and turning off the fast charging function in response to determining that the abnormal charging occurs.

Abstract: A sender device includes a non-transitory memory storage comprising instructions and a location control policy, and a processor coupled to the memory. The processor executes the instructions to generate an email, generate a control mechanism for the email, wherein the control mechanism instructs a security server to implement the location control policy and wherein the location control policy affects a recipient device's use of the email, and integrate the control mechanism into the email to generate an integrated email. The sender device further includes a transmitter coupled to the processor and configured to transmit the integrated email to the security server for the security server to implement the control mechanism.

Abstract: The present disclosure provides a device to be charged and a charging method. The device to be charged includes: a charging interface; a first charging circuit, coupled with the charging interface, configured to receive an output voltage and an output current of an adapter via the charging interface and to directly apply the output voltage and the output current of the adapter to both ends of a plurality of battery cells coupled in series in the device to be charged, so as to perform a direct charging on the plurality of battery cells. With the present disclosure, heat generated in the charging process can be reduced while ensuring the charging speed.

Abstract: The present disclosure provides a test method and a test device for an adapter. The method includes: detecting temperatures of elements in the adapter; determining whether the adapter is in a temperature balance state according to the temperatures of the elements in the adapter; increasing an ambient temperature of an environment where the adapter is located in response to the temperature balance state; detecting an output power of the adapter, and determining whether the adapter performs a power reduction operation before the temperatures of the elements reach a first preset temperature threshold; and determining that a test for the adapter fails when the power reduction operation does not occur.

Abstract: The present disclosure provides a test system and method for a charging device. The test system for the charging device includes a load module, a test board and the charging device. A path is formed between the charging device and the load module through the test board. The test board is configured to report a test battery voltage to the charging device. The charging device is configured to receive the test battery voltage, to calculate a path impedance from the charging device to the load module according to the test battery voltage, to adjust an operating state of the charging device according to the calculated path impedance, and to determine whether the charging device needs to enter a protection state, for testing a path impedance protection function of the charging device.

Abstract: The present disclosure provides a charging system, a power adapter and a charging method. The power adapter includes a first rectifier, a switch unit, a transformer, a second rectifier, a first current sampling circuit, a first capacitor bank and a second capacitor bank, and a control unit. The control unit is configured to output a control signal to the switch unit, and determine an output current of the power adapter according to a current sampling value sampled by the first current sampling circuit when the power adapter enters a first charging mode, wherein, the control unit is configured to isolate the first capacitor bank when the output current of the power adapter is at a rising edge or a falling edge, and enable the first capacitor bank to work when the output current of the power adapter is at a platform segment.

Abstract: The present disclosure discloses a charging system, a charging method and a power adapter. The system includes a power adapter and a terminal. The power adapter includes a first rectifier, a switch unit, a transformer, a second rectifier, a sampling unit, and a control unit. The control unit outputs a control signal to the switch unit, and adjusts a duty ratio of the control signal according to coupled sampling performed by the sampling unit at an auxiliary winding, such that a third voltage outputted by the second rectifier meets a charging requirement. The terminal includes a battery. When the power adapter is coupled to the terminal, the third voltage is applied to the battery.

Abstract: A method of upgrading firmware of an adapter includes transmitting a set of n data blocks of first upgrade file to the adapter, receiving a first response information of the adapter based on the set of n data blocks, and determining that the updating procedure of the adapter fails when the first response information indicates that the adapter fails to receive all of the n data blocks. In the method, a mobile terminal transmits the upgrade file to the adapter and the adapter sends determination information to the mobile terminal after the adapter receives the upgrade file having a predetermined size. In a time interval, if the mobile terminal fails to receive the determination information or the adapter does not receive the upgrade file, the upgrading firmware of the adapter fails.

Abstract: A charging system for a terminal, a charge method, and a power adapter are provided. The charging system includes a power adapter and a terminal. The power adapter includes a switch circuit, a second rectifying circuit, a first charging interface, and a control circuit. The control circuit modulates a duty cycle of a control signal based on voltage sampling value or current sampling value sampled by the sampling circuit so that voltage in a third pulsating waveform output by the second rectifying circuit satisfies a charging requirement. The terminal includes a battery and a second charging interface connected to the battery. The second charging interface applies the voltage in the third pulsating waveform to the battery when the second charging interface is connected to the first charging interface, so that the pulsating waveform output by the power adapter is directly applied on the battery.

Abstract: The present disclosure provides a charging system, a terminal, a power adapter and a charging line. The terminal includes a first controller and M charging input interfaces. The power adapter includes a second controller and N charging output interfaces. When at least one of the N charging output interface is coupled to the charging input interfaces of the terminal, the second controller and the first controller communicate with each other to determine the number of charging output interfaces of the power adapter coupled to the terminal, and a charging current outputted from the power adapter to the terminal is adjusted according to the number of charging output interfaces of the power adapter coupled to the terminal.

Abstract: The present disclosure discloses a charging system and a charging method and a power adapter. The system includes a battery, a first rectifier, a switch unit, a transformer, a second rectifier, a first charging interface, a sampling unit and a control unit. The control unit outputs a control signal to the switch unit, and adjusts a duty ratio of the control signal according to a current sampling value and/or a voltage sampling value sampled by the sampling unit, such that a third voltage with a third ripple waveform outputted by the second rectifier meets a charging requirement of the battery.

Abstract: The present disclosure provides a charge control method and device and an electronic device, applied in the electronic device, in which the electronic device includes a charging interface, a charging circuit and a battery coupled in series. The method includes: when a charging device is coupled with the charging interface, determining, by a charge control device, a charging mode supported by the charging device as the high voltage charging mode or the low voltage charging mode, in which a charging voltage of the high voltage charging mode is greater than a charging voltage of the low voltage charging mode; controlling the charging circuit by the charge control device according to the charging mode supported by the charging device, such that the charging circuit charges the battery in the charging mode supported by the charging device.

Abstract: Provided are a power supply circuit, a power supply device and a control method. The power supply circuit includes a primary rectifier unit, a modulation unit, a transformer, a secondary rectifier and filtering unit, a current feedback unit, and a control unit. The power supply circuit removes a liquid electrolytic capacitor at a primary side. Moreover, the control unit may determine a type of a voltage of input alternating current, and set a current limit value in the current feedback unit according to the type of the voltage of the alternating current.

Abstract: A transit device receives a target token request sent by a data transmit end, and sends the target token request to a data receive end. The data receive end may determine, based on the target token request, a target token packet corresponding to the target token request, and then send the target token packet to the transit device based on a priority identifier. The transit device determines a sending rate of the token packet based on a link bandwidth of the current device, a preset packet length of a token packet, and a preset packet length of the data packet, and sends the target token packet to the data transmit end based on the priority identifier and the sending rate of the token packet. The transit device may send the target data packet to the data receive end.

Abstract: A method implemented by a network element (NE) in a distributed system, the method comprising tracing an execution of a program in the distributed system to produce a record of the execution of the program, wherein the record indicates states of shared resources at various times during the execution of the program, identifying a vulnerable operation that occurred during the program execution based on the record, wherein the record indicates that a first shared resource of the shared resources is in a flawed state after a node that caused the first shared resource to be in the flawed state crashed, and determining that the vulnerable operation results in a time of fault (TOF) bug based on performing a fault-tolerance mechanism.

Abstract: Provided are a power supply circuit, a power supply device and a control method. The power supply circuit includes a primary rectifier unit, a modulation unit, a transformer, a secondary rectifier and filtering unit, a current feedback unit, an isolation unit and a control unit. The power supply circuit removes a liquid electrolytic capacitor at a primary side. In the power supply circuit, the liquid electrolytic capacitor at the primary side is removed, such that a volume of the power supply circuit is smaller, and is safe to use. Moreover, the control unit may determine a type of a voltage of input alternating current, and set a current limit value in the current feedback unit according to the type of the voltage of the alternating current.

Abstract: The present disclosure provides a charge control method and device and an electronic device, applied in the electronic device, in which the electronic device includes a charging interface, a charging circuit and a battery coupled in series. The method includes: when a charging device is coupled with the charging interface, determining, by a charge control device, a charging mode supported by the charging device as the high voltage charging mode or the low voltage charging mode, in which a charging voltage of the high voltage charging mode is greater than a charging voltage of the low voltage charging mode, and controlling the charging circuit by the charge control device according to the charging mode supported by the charging device, such that the charging circuit charges the battery in the charging mode supported by the charging device.

Abstract: A chargeable device and a charging method are proposed. The chargeable device includes a charging interface and a first charging circuit coupled to the charging interface. The first charging circuit receives voltage and current outputted by an adapter through the charging interface and to apply the voltage and current outputted by the adapter onto two terminals of multiple cells coupled in series built in the chargeable device to charge the multiple cells directly.

Abstract: A charging apparatus and a charging method are provided. The charging apparatus includes a boost circuit and a communication control circuit. The boost circuit is configured to boost an output voltage of a power supply device for charging a battery of a device to-be-charged. The communication control circuit is configured to instruct the power supply device to adjust the output voltage of the power supply device and/or an output current of the power supply device such that an output voltage of the boost circuit and/or an output current of the boost circuit matches charging requirements of the battery.