Abstract: An electronic device assembly includes a master device, and a plurality of peripheral devices. The master device includes a signal reading unit, a layer identification unit, and a selecting and controlling unit. The plurality of peripheral devices is coupled to the master device and connected one by one in series. The signal reading unit is configured to read layer signals from the plurality of peripheral devices, the layer identification unit is configured to identify a layer information of the plurality of peripheral devices according to the layer signals; and the selecting and controlling unit is configured to select and control one or more of the plurality of peripheral electronic devices according to the layer information.

Abstract: A power detecting circuit for a power supply module is disclosed. The power detecting circuit includes a current detecting module, a micro control unit (MCU), a correcting circuit. The current detecting module is electrically coupled to the power supply module and configured to detect an output current value of the power supply module. The micro control unit (MCU) is electrically coupled to the current detecting module. The correcting circuit is electrically coupled to the MCU and configured to correct the output current value of the power supply module. The MCU is configured to calculate an output power value of the power supply module according to the output current value and a preset output voltage value or a tested output voltage value of the power supply module and display the output power value via a display module.

Abstract: A protection circuit is connected between a power supply for providing a working voltage and a load. The protection circuit comprises an interface, a detecting module connected to the interface, a control module, and a switch module. The control module generates a plus width modulation (PWM) signal with a predetermined duty cycle when the interface interconnects with the load. The switch module periodically turns on and turns off based on the PWM signal with the predetermined duty cycle.

Abstract: An electronic device assembly includes a main device, and a plurality of peripheral devices. The main device includes a first connector. Each of the plurality of peripheral devices includes two second connectors. Each first connector and second connector includes various types of interfaces, and the plurality of peripheral devices is coupled to the main device via the various types of interfaces; each peripheral device is coupled to another peripheral device via the second connector, to connect the plurality of peripheral devices one by one in series.

Abstract: A power supply detecting circuit includes a first voltage detecting module configured to detect an input voltage of a power supply module; a micro control unit (MCU) connected to the first voltage detecting module; a display module connected to the MCU; a second voltage detecting module configured to detect an output voltage of the power supply module; and a current detecting module configured to detect an output current of the power supply module. The MCU is capable of comparing the detected input voltage, the detected output voltage, and the detected output current of the power supply module with corresponding predetermined parameters and calculating an output power of the power supply module. The display module is capable of displaying the detected input voltage, the detected output voltage, the detected output current, and the output power of the power supply module.

Abstract: A power supply detecting circuit includes a power supply module configured to receive a first voltage signal from an alternating current (AC) power source; a voltage converting circuit configured to convert the first voltage signal to a second voltage signal; a switch circuit connected to an output terminal of the voltage converting circuit; a micro control unit (MCU) connected to the switch circuit; and a display module connected to the MCU. The switch circuit outputs a detecting signal to the MCU according to the second voltage signal. The MCU determines whether the first voltage signal is within a predetermined range according to the detecting signal and sending a detecting result to the display module which displays the detecting result.

Abstract: An electronic device connected to numerous first load medias and second load medias. The electronic device comprises a processor and a switch module. The processor is capable of switching between a first working mode and a second working mode. Under the second working mode, the processor generates a second control signal, the switch mode establishes independent electronic connections between specified first load medias and specified second load medias, thus, the first load medias and the second load medias simultaneously communicate with each other through the electronic device.

Abstract: An electronic device connected to numerous loads. The electronic device comprises a number of internal components, including a processor, and a first switch module. The processor is capable of switching between a first working mode and a second working mode. Under the second working mode, the processor generates a second control signal, the first switch mode establishes electronic connections between a specified load and all of the internal components, thus, the specified load simultaneously connects and communicates with all of the internal components.

Abstract: An electronic device includes a processor coupled with at least two loaded media. The electronic device can work at a first working mode and a second working mode. When the electronic device works at the first working module, the processor selects one loaded media and controls the selected loaded media to execute a function according to a first manual operation received by an inputting unit of the electronic device. When the electronic device works at the second working module, the processor controls each of the at least two loaded media to execute a common function according to a second manual operation received by the inputting unit.

Abstract: An electronic device connected with numerous first load medias and numerous second load medias. The electronic device comprises a processor and a switch module. The processor is capable of switching between a first working mode and a second working mode. Under the second working mode, the processor generates a second control signal, the switch mode establishes independent electronic connections between a specified first load media and all of the second load medias, thus, the specified first load media simultaneously connects and communicates with all of the second load medias.

Abstract: A remote control circuit includes a rectifying filter circuit coupled to an alternating current (AC) power source, a power supply module connected to the rectifying filter circuit; a leakage energy collecting circuit connected to the rectifying filter circuit; a remote control signal receiving circuit connected to the leakage energy collecting circuit; and a switch circuit connected to the remote control signal receiving circuit and the power supply module. When the remote control signal receiving circuit receives a remote power on signal, the remote control signal receiving circuit outputs a first signal to the switch circuit, and the switch circuit switches on the power supply module. When the remote control signal receiving circuit receives a remote power off signal, the remote control signal receiving circuit outputs a second signal to the switch circuit, the switch circuit switches off the power supply module.

Abstract: A converter member connects between an electronic device and a load media for transmitting data. The converter member includes a first plug and a second plug electrically connected with the first plug. The first plug is detachably connected to the electronic device, and the second plug is detachably connected to the load media. The first plug and the second plug are two different type plugs. The data from the load media is transmitted to the electronic device through the second plug and the first plug orderly.

Abstract: An electronic device can connect to and communicate with multiple independent load medias. The electronic device comprises a processor and a first switch module. The processor is capable of switching between a first working mode and a second working mode. Under the second working mode, the processor can generate a second control signal whereby independent connections are established between at least two load medias and the first switch module. The processor processes the signals from the selected load medias simultaneously.

Abstract: A single electronic device can connect to and communicate with multiple independent load medias. The electronic device comprises a number of internal components, including a processor and a switch module. The processor is capable of switching between a first working mode and a second working mode. The first working mode can establish a one-to-one connection between one load media and one internal component upon a first control signal, and under the second working mode, the processor can generate a second control signal whereby independent connections are established between at least two load medias and at least two of the internal components.

Abstract: A video card includes a graphics processing unit, a video interface, and a power interface. The graphics processing unit processes video signals that are not supported by a display device and generates display signals that are supported by the display device. The video interface transmits the display signals to the display. The power interface supplies a first voltage to the display device via the video interface, so as to power on the display device to display the display signals.

Abstract: A protecting circuit connected between a power supply and a load includes an interface unit, a switching unit, a protection module, a locking unit, and a trigger unit. The interface unit is used for connecting to the load. The switching unit turns on to establish a connection between the power supply and the load when the interface connects to the load and turns off to cut off the connection. The protection module generates a protecting signal when the output of the power supply is in an abnormal state, and the locking unit controls the trigger unit to generate a control signal. The switching unit cuts off the connection in response to the control signal. When the output of the power supply resumes to a normal state, the switching unit automatically resumes the connection by reconnecting the interface with the load.

Abstract: A protection circuit connected between a power supply and a load comprises an interface unit, a control unit, and a first switching unit. The interface unit is capable of connecting to the load. The control unit generates a variable duty cycle of a pulse width modulation (PWM) signal when the interface unit is connected with the load. The first switching unit is connected between the control unit and the interface unit. The first switching unit switches between a turned-on state and a turned-off state based on the PWM signal.

Abstract: A power supply control circuit used to control a power supply to supply a MCU includes a first transistor switch, a RC circuit, a power switch control circuit, and an input signal control circuit. When the power switch control circuit is grounded via the MCU, the RC circuit is discharged to ground and the first transistor switch is switched on, such that the power supply supplies power to the MCU. When the MCU outputs a control signal to the input signal control circuit, the RC circuit is discharged to ground and the first transistor switch is switched on, such that the power supply supplies power to the MCU. When the MCU stops outputting the control signal to the input signal control circuit, the RC circuit is charged and the first transistor switch is switched off, such that the power supply does not supply power to the MCU.

Abstract: A backlight protection circuit includes a driving circuit, two lamps, a pulse modulator, and a feedback circuit. The pulse modulator controlling the operating state of the driving circuit includes an over-voltage sampling end. Each of the two lamps includes a high voltage end connected to the driving circuit, and a low voltage end connected to the over-voltage sampling end through the feedback circuit. The pulse modulator stops the operation of the driving circuit when the voltage of the low voltage end exceeds a reference voltage.

Abstract: An electrostatic discharge protection circuit includes an input terminal, a first diode, a second diode, a third diode, a fourth diode, a plurality of voltage stabilizer circuits, and a power terminal. The input terminal and the cathode of the second diode connect to the anode of the first diode; the voltage stabilizer circuits connect in parallel between the cathode of the first diode and the anode of the second diode. The power terminal connects to the anode of the third diode, the cathode of the third diode connects to the cathode of the first diode. The cathode of the fourth diode connects to ground, the anode of the fourth diode connects to the anode of the second diode.