Abstract: A power supply device includes connector from a power source, a rectifying module, a power supply module, and a bulk capacitor. The capacitor stores and smoothes the rectified power, and outputs the smoothed power to the power supply module. The connector is capable of connecting to the power source through a Delta connection and a Wye connection.

Abstract: A power supply device includes connector from a power source, a rectifying module, a power supply module, and a bulk capacitor. The capacitor stores and smoothes the rectified power, and outputs the smoothed power to the power supply module. The connector is capable of connecting to the power source through a Delta connection and a Wye connection.

Abstract: A connecting terminal in a power distribution unit includes a connecting plate and a first wire joint. The connecting plate includes first and second ends. The first end defines a first locking hole. The first wire joint is configured to be connected to an end of a wire, the connecting terminal is connected a power interface of an external device through the first locking hole. The power distributing unit having the connecting terminal is further disclosed.

Abstract: A power distributing socket in a power distributing unit includes an insulating chassis and a circuit unit embedded in the insulating chassis. The circuit unit includes an input end and an output end, each end is connected to a locking terminal. Each of the locking terminals defines a first locking hole. The power distributing unit is further disclosed.

Abstract: A switch control device includes a switch device and a control device. The switch device includes first and second input terminals, an output terminal, a processor, and a plurality of delays. The processor is configured to detect period of an input voltage from the first input terminal, and to determine whether the input voltage is normal. A delay time can be computed by the processor, according to the period of the input voltage and a release time of the each delay. If the input voltage from the first input terminal is abnormal, the processor detects a zero voltage crossing signal or a peak of voltage signal, and delays the zero voltage crossover signal or the peak of voltage signal for a delay time, to control the delays coupled to the first input terminal to turn on.

Abstract: A power switching device includes a primary power source, a backup power source, and a power switching circuit, and the power switching circuit can switch rapidly between the two or more power sources. The power switching circuit includes a first switching module, a second switching module, and a control module. The first switching module includes first through fourth relays, and first through fourth driving units. The first switching module also includes a first bidirectional thyristor and a second bidirectional thyristor. A power switching circuit is also provided.

Abstract: A switch control device includes a switch device and a control device. The switch device includes first and second input terminals, an output terminal, a processor, and a plurality of delays. The processor is configured to detect period of an input voltage from the first input terminal, and to determine whether the input voltage is normal. A delay time can be computed by the processor, according to the period of the input voltage and a release time of the each delay. If the input voltage from the first input terminal is abnormal, the processor detects a zero voltage crossing signal or a peak of voltage signal, and delays the zero voltage crossover signal or the peak of voltage signal for a delay time, to control the delays coupled to the first input terminal to turn on.

Abstract: A power distributing socket in a power distributing unit includes an insulating chassis and a circuit unit embedded in the insulating chassis. The circuit unit includes an input end and an output end, each end is connected to a locking terminal. Each of the locking terminals defines a first locking hole. The power distributing unit is further disclosed.

Abstract: A connecting terminal in a power distribution unit includes a connecting plate and a first wire joint. The connecting plate includes first and second ends. The first end defines a first locking hole. The first wire joint is configured to be connected to an end of a wire, the connecting terminal is connected a power interface of an external device through the first locking hole. The power distributing unit having the connecting terminal is further disclosed.

Abstract: An electrical socket with a security fixing includes a base and a number of terminal portions. The base includes an inserting side. The inserting side defines a number of receiving grooves. The terminal portions are fixed in the receiving grooves to conduct electricity to a plug. Two clamping members are protruded from the inserting side and when the plug is inserted into the terminal portion, the two clamping members latch onto the plug to hold it in place.

Abstract: An electrical socket with a security fixing includes a base and a number of terminal portions. The base includes an inserting side. The inserting side defines a number of receiving grooves. The terminal portions are fixed in the receiving grooves to conduct electricity to a plug. Two clamping members are protruded from the inserting side and when the plug is inserted into the terminal portion, the two clamping members latch onto the plug to hold it in place.

Abstract: A switch control device includes a switch device and a control device. The switch device includes first and second input terminals, an output terminal, a processor, and a plurality of delays. The processor is configured to detect period of an input voltage from the first input terminal, and to determine whether the input voltage is normal. A delay time can be computed by the processor, according to the period of the input voltage and a release time of the each delay. If the input voltage from the first input terminal is abnormal, the processor detects a zero voltage crossing signal or a peak of voltage signal, and delays the zero voltage crossover signal or the peak of voltage signal for a delay time, to control the delays coupled to the first input terminal to turn off. Therefore, an arc discharge resulted by the relay can be avoid or reduce.

Abstract: A power switching device includes a primary power source, a backup power source, and a power switching circuit, and the power switching circuit can switch rapidly between the two or more power sources. The power switching circuit includes a first switching module, a second switching module, and a control module. The first switching module includes first through fourth relays, and first through fourth driving units. The first switching module also includes a first bidirectional thyristor and a second bidirectional thyristor. A power switching circuit is also provided.

Abstract: A switch control device includes a switch device and a control device. The switch device includes first and second input terminals, an output terminal, a processor, and a plurality of delays. The processor is configured to detect period of an input voltage from the first input terminal, and to determine whether the input voltage is normal. A delay time can be computed by the processor, according to the period of the input voltage and a release time of the each delay. If the input voltage from the first input terminal is abnormal, the processor detects a zero voltage crossing signal or a peak of voltage signal, and delays the zero voltage crossover signal or the peak of voltage signal for a delay time, to control the delays coupled to the first input terminal to turn off. Therefore, an arc discharge resulted by the relay can be avoid or reduce.

Abstract: A switch control device includes a switch device and a control device. The switch device includes first and second input terminals, an output terminal, a processor, and a plurality of delays. The processor is configured to detect period of an input voltage from the first input terminal, and to determine whether the input voltage is normal. A delay time can be computed by the processor, according to the period of the input voltage and a release time of the each delay. If the input voltage from the first input terminal is abnormal, the processor detects a zero voltage crossing signal or a peak of voltage signal, and delays the zero voltage crossover signal or the peak of voltage signal for a delay time, to control the delays coupled to the first input terminal to turn on.

Abstract: An embedded electronic device includes a display and a user interface system shown on the display. The user interface system includes a plurality of item display modules and item resource modules. Each item display module includes a position sub-module operable to position the item resource module, and a connection sub-module capable of linking to the item resource module. Each item resource module has at least one resource path sub-module to retrieve a resource.

Abstract: A file sharing system includes a web server, a first electronic device, and a second electronic device. The web server includes an authorizing module and a server storage module. The server storage module is capable of storing files uploaded from a first electronic device. The authorizing module is capable of recording an authorizing setting from the first electronic device to authorize a second electronic device to access the files in the server storage module.

Abstract: An embedded electronic device includes a foreground application module, a plurality of system function modules, and a system monitor module. The system monitor module is configured to monitor the working statuses of the plurality of system function modules and to send the working statuses to the foreground application module. The foreground application module is configured to control the plurality of the system function modules via the system monitor module.

Abstract: An electronic device can access weather information via a network. The electronic device includes a graphical user interface (GUI) module, a weather service management module, a download module and a display. The GUI module can process and transmit input of letters. The weather service management module can build and modify a city result list from an available city list according to the input from the GUI module, when the input letters reach a predetermined number. The selected city is selected from the city result list by user input to the GUI module, and the download module can get weather content of a selected city. The display can display the weather content for the selected city.

Abstract: An electronic device includes a display, a graphical user interface (GUI) application module, a daemon application module, and a network service control module capable of retrieving network content from a network terminal. The GUI application module acquires the network content from the network service control module. Either of the GUI application module or the daemon application module manages the network content.