Hon Hai Precision Industry Co., Ltd.

Cloud Network Technology Singapore Pte. Ltd.

Hongfujin Precision Electronics (tianjin) Co.,ltd.

Hongfujin Precision Electronics (tianjin) C

Chia-Peng Wang

Chih-Chan Ger

Yu-Shiuan Tsao

Chun-Wen Wang

Teng-Yu Tsai

Chia-Kun Chen

Chia-Hung Chien

Ling-Wei Liu

Yi-Cheng Liu

Gi-Lung Lin

Cheng-Chia Liu

Jyh-Gwo Ju

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.

Power supply device of reduced complexity accepting power through wye and delta configurations

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.

Connecting terminal and power distributing unit using the same

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.

Power distributing socket and power distributing unit using the same

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.

Circuit and device for power switching

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.

Switch control device and method for power

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.

Plug-securing connecting apparatus and socket

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.

Power control device and method

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.

Embedded electronic device and method of implementing user interface therein

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.

File sharing system and method

A driving device for driving a light source module () includes a PFC circuit (), a power stage circuit (), an isolation transformer (T), an inverter circuit () and a PWM controller (). The PFC circuit converts a received AC signal to a DC signal. The power stage circuit is connected to the PFC circuit, for converting the DC signal to another AC signal. The isolation transformer has a primary winding and at least one secondary winding. The primary winding of the isolation transformer is connected to the power stage circuit, for isolating the received AC signal from the light source module. The inverter circuit is connected to the secondary winding of the isolation transformer, for converting an AC signal output from the isolation transformer to an appropriate signal. The PWM controller is connected to the power stage circuit, for controlling output from the power stage circuit.

Device for driving light source module

A driving device for driving a light source module () includes an input current limiting circuit () and an inverter (). The input current limiting circuit includes an input current sensing circuit () and a feedback compensation circuit (), for limiting current of an input power signal of the driving device to a predetermined range. The input current sensing circuit is used for sensing a current signal of the input power signal of the driving device. The feedback compensation circuit is connected to the input current sensing circuit, for outputting a compensation signal according to the sensed current signal. The inverter is connected between the input current limiting circuit and the light source module, and includes a feedback circuit (). The feedback circuit is connected to the feedback compensation circuit, for receiving the compensation signal and feeding back current flowing through the light source module.

Input current limiting circuit and driving device using the same

A driving device for driving discharge lamps () includes a first pulse circuit (), a second pulse circuit (), and a primary driving circuit (). The first pulse circuit includes an input end, a first output end (), and a second output end (). The second pulse circuit includes an input end, a third output end (), and a fourth output end (). The primary driving circuit is connected between the first pulse circuit and the second pulse circuit for generating drive signals. The second output end of the first pulse circuit is connected to the third output end of the second pulse circuit, and the fourth output end of the second pulse circuit is connected to ground.

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Taipei, Taiwan

Chia-Peng Wang