Abstract: An apparatus and method for improving standby efficiency of a handheld device is disclosed. The apparatus includes: a power supply, a phase inverter, a field-effect transistor, and a direct/direct (DC/DC) converter and a low-voltage difference voltage stabilizer that are connected in parallel; wherein the power supply provides an input voltage for the DC/DC converter and the low-voltage difference voltage stabilizer, an input port of the phase inverter is connected to an enable port of the low-voltage difference voltage stabilizer, the input port of the phase inverter is connected to an enable port of the DC/DC converter, a gate of the field-effect transistor is connected to an output port of the phase inverter, a drain of the field-effect transistor is connected to an output port of the DC/DC converter, and a source of the field-effect transistor is connected to an output port of the low-voltage difference voltage stabilizer.

Abstract: Disclosed are an audio and video playing system and method. This system includes: an audio and video playing device, a mobile terminal and an earphone; wherein the audio and video playing device is connected to the mobile terminal in a wireless manner, the earphone is connected to the mobile terminal in a wireless or wired manner, and audio and video signals are played by using the audio and video playing device, the audio signal being transmitted to a corresponding mobile terminal for playing, a user receiving the audio signal via the earphone. The present disclosure is simple in operation. During watching large frames by the audio and video playing device such as televisions and the like, sound may be simultaneously received by using the mobile terminal such as mobile phones and the like. Therefore, watching demands of users are accommodated and user experience of users is improved, without affecting others.

Abstract: A method, a terminal device and a smart television for smart television audio and video communication is disclosed. The method includes: receiving, by a second mobile terminal, a call request message sent by a first mobile terminal for requesting to establish audio and video communication between the first mobile terminal and the second mobile terminal, wherein the second mobile terminal is communicably connected to the smart television; determining, by the second mobile terminal, to conduct the audio and video communication via the smart television; and replying, by the second mobile terminal, to the call request message, such that the audio and video communication is conducted between the first mobile terminal and the smart television.

Abstract: A vehicle-mounted display control method and an electronic device thereof are disclosed, applied to a vehicle-mounted system, the vehicle-mounted system being connected to a portable terminal. The method includes: receiving interface information sent by the portable terminal, and displaying a virtual interface according to the interface information; receiving an input instruction via the virtual interface, and sending an operation instruction generated according to the input instruction to the portable terminal; and receiving and outputting operation data generated by the portable terminal according to the operation instruction. According to the present disclosure, resources are shared between the vehicle-mounted system and the portable terminal, the display and play effects of the portable terminal are improved, and the disclosure of the vehicle-mounted system is extended.

Abstract: A mobile terminal and switching method for controlling data transmission interface thereof are provided. The mobile terminal includes an application processor, a communication processor and data transmission interfaces thereof, the application processor including a traffic monitor unit and an interface control unit, wherein the traffic monitor unit is configured to detect data traffic of data transmission, compare the data traffic with a preset threshold to obtain a comparison result, and output the comparison result; and the interface control unit is configured to control, on receipt of the comparison result, the connection or disconnection of a high-speed data line between the application processor and the communication processor, and to transmit a corresponding interface switching command to the communication processor for switching the data transmission interface. With the present system, the power consumption of the system can be reduced and the efficiency of the data transmission can be improved.

Abstract: A mobile terminal and switching method for controlling data transmission interface thereof are provided. The mobile terminal includes an application processor, a communication processor and data transmission interfaces thereof, the application processor including a traffic monitor unit and an interface control unit, wherein the traffic monitor unit is configured to detect data traffic of data transmission, compare the data traffic with a preset threshold to obtain a comparison result, and output the comparison result; and the interface control unit is configured to control, on receipt of the comparison result, the connection or disconnection of a high-speed data line between the application processor and the communication processor, and to transmit a corresponding interface switching command to the communication processor for switching the data transmission interface. With the present system, the power consumption of the system can be reduced and the efficiency of the data transmission can be improved.

Abstract: A mobile terminal and switching method for controlling data transmission interface thereof are provided. The mobile terminal comprises an application processor, a communication processor and data transmission interfaces thereof, the application processor comprising a traffic monitor unit and an interface control unit, wherein the traffic monitor unit is configured to detect data traffic of data transmission, compare the data traffic with a preset threshold to obtain a comparison result, and output the comparison result; and the interface control unit is configured to control, on receipt of the comparison result, the connection or disconnection of a high-speed data line between the application processor and the communication processor, and to transmit a corresponding interface switching command to the communication processor for switching the data transmission interface. With the present invention, the power consumption of the system can be reduced and the efficiency of the data transmission can be improved.

Abstract: A mobile terminal and switching method for controlling data transmission interface thereof are provided. The mobile terminal comprises an application processor, a communication processor and data transmission interfaces thereof, the application processor comprising a traffic monitor unit and an interface control unit, wherein the traffic monitor unit is configured to detect data traffic of data transmission, compare the data traffic with a preset threshold to obtain a comparison result, and output the comparison result; and the interface control unit is configured to control, on receipt of the comparison result, the connection or disconnection of a high-speed data line between the application processor and the communication processor, and to transmit a corresponding interface switching command to the communication processor for switching the data transmission interface. With the present invention, the power consumption of the system can be reduced and the efficiency of the data transmission can be improved.