Abstract: A water separation composite membrane is provided. The water separation composite membrane includes a carrier with a plurality of pores, wherein the carrier is made of a polymer having a repeat unit of and a selective layer disposed on the porous carrier, wherein the selective layer consists of a plurality of graphene oxide layers.

Abstract: A water separation composite membrane is provided. The water separation composite membrane includes a carrier with a plurality of pores, wherein the carrier is made of a polymer having a repeat unit of and a selective layer disposed on the porous carrier, wherein the selective layer consists of a plurality of graphene oxide layers.

Abstract: A water separation composite membrane is provided. The water separation composite membrane includes a carrier with a plurality of pores, wherein the carrier is made of a polymer having a repeat unit of and a selective layer disposed on the porous carrier, wherein the selective layer consists of a plurality of graphene oxide layers.

Abstract: A power switch system applied in an electronic device includes a plurality of power sources, a plurality of switch units, and a motherboard. The motherboard includes a controller and an output which is coupled to a load. Each switch unit is coupled to one corresponding power source, the controller, and the output of the motherboard. The controller can detect and select a power source from amongst the plurality of power sources, and output a control signal to one corresponding switch unit coupled to the selected power source, to control the selected power source supply power to the load through the corresponding switch unit. If one of the switch units or the corresponding power supply cannot operate normally, other switch unit from amongst the switch units can execute to operate and transmit power from a corresponding power source to the load.

Abstract: A power supply system drives a plurality of loads, and includes a power stage circuit, a pulse width modulation controller, a first isolation transformer, at least two second transformers, and at least two rectifier circuits. The power supply system converts external power signals into first alternating current (AC) power signals, and converts the first AC power signals into second AC power signals. The second transformers either boost or buck the second AC power signals, and each has a primary winding connected to a secondary winding of the first isolation transformer in parallel and a center tap grounded. Each of the rectifier circuits is connected to two ends of a secondary winding of a corresponding one of the second transformers, and rectifies the boosted or bucked second AC power signals to output direct current (DC) power signals to a corresponding one of the plurality of loads.

Abstract: A power device transforms input power into power for output, and includes an input unit, a power factor unit, a first electronic switch, an output unit, and a control signal port. The power factor unit includes a power factor correction circuit and a first detection circuit connected to an output end of the power factor unit and the power factor correction circuit. The first electronic switch is connected to the first detection circuit, and is under control of the control signal port.

Abstract: A power supply system drives a plurality of loads, and includes a power stage circuit, a pulse width modulation controller, a first isolation transformer, at least two second transformers, and at least two rectifier circuits. The power supply system converts external power signals into first alternating current (AC) power signals, and converts the first AC power signals into second AC power signals. The second transformers either boost or buck the second AC power signals, and each has a primary winding connected to a secondary winding of the first isolation transformer in parallel and a center tap grounded. Each of the rectifier circuits is connected to two ends of a secondary winding of a corresponding one of the second transformers, and rectifies the boosted or bucked second AC power signals to output direct current (DC) power signals to a corresponding one of the plurality of loads.

Abstract: An inverter circuit (20) includes a transformer (T2) including a primary winding and a secondary winding including a high voltage terminal, a first copper foil (P21), a power stage circuit (21) electrically connected to the primary winding, a detection circuit (22) including a second copper foil (P22) and an impedance (Z2), a protection circuit (23) outputting a protection signal, and a pulse width modulation controller (24) controlling output of the power stage circuit according to the protection signal. The second copper foil and the first copper foil are separated. An equivalent capacitor is formed between the second copper foil and the first copper foil, detecting voltage output from the high voltage terminal. The impedance is electrically connected between the second copper foil and ground, dividing a voltage detected by the equivalent capacitor.

Abstract: A multi-lamp driving circuit includes a power supply, a booster converter including a first winding and a second winding, a plurality of current balance circuits and a plurality of balance converters. The first winding of the booster converter is coupled to the power supply. Each of the current balance circuits includes a plurality of current balance sub-circuits each including a capacitor and a lamp connected in series. One end of each of the current balance sub-circuits is connected to one end of the second winding of the booster converter. A first winding of each of the balance converters is electrically connected between the other end of the second winding of the booster converter and the other end of the current balance sub-circuits of corresponding current balance circuits. Second windings of the balance converters are connected in series.

Abstract: A power device transforms input power into power for output, and includes an input unit, a power factor unit, a first electronic switch, an output unit, and a control signal port. The power factor unit includes a power factor correction circuit and a first detection circuit connected to an output end of the power factor unit and the power factor correction circuit. The first electronic switch is connected to the first detection circuit, and is under control of the control signal port.

Abstract: An inverter circuit (20) includes a transformer (T2) including a primary winding and a secondary winding including a high voltage terminal, a first copper foil (P21), a power stage circuit (21) electrically connected to the primary winding, a detection circuit (22) including a second copper foil (P22) and an impedance (Z2), a protection circuit (23) outputting a protection signal, and a pulse width modulation controller (24) controlling output of the power stage circuit according to the protection signal. The second copper foil and the first copper foil are separated. An equivalent capacitor is formed between the second copper foil and the first copper foil, detecting voltage output from the high voltage terminal. The impedance is electrically connected between the second copper foil and ground, dividing a voltage detected by the equivalent capacitor.

Abstract: A pen for the touch pad of a laptop includes a conductive penholder, wherein a conductive pen head is installed on one end of the conductive penholder, and a smooth layer is located on the surface of the conductive pen head. The conductive pen can deliver the static electricity from a human's body through the conductive pen to the touch pad of a laptop computer. It replaces the original operation in which a user uses their finger to touch the touch pad of the laptop. It is convenient for the user and the user can operate it for a long time. The problems caused by the user's sweat re avoided. The opposite end of the conductive penholder can be installed with a PDA pen, a ball-point pen, a laser, or a pencil. The function of the present invention is therefore versatile.

Abstract: A vane conducting device with graphic and textual display includes a base, a coil seat, a vane, and a control unit, and a support pillar of the base includes a first electrode and a second electrode electrically coupled to a first bearing and a second bearing respectively, and a circuit board of the coil seat is electrically coupled to an end of the first and second electrodes for transmitting electric power to the first and second bearings through the first and second electrodes, and a cap of the vane includes a central shaft pivotally coupled to the first and second bearings, such that when the vane rotates, the first and second bearings and the central shaft transmit the electric power required by the control unit through the first and second electrodes.

Abstract: A voltage sensing circuit (230) for sensing voltage signals of input alternating current (AC) signals includes a plurality of voltage dividing circuits (23n (n=1, 2, 3, . . . , n)) and a charging circuit (232). The voltage dividing circuits are used for dividing voltage signals of the input AC signals. The voltage dividing circuits are connected to the charging circuit, and then the divided voltage signals can be transmitted between the voltage dividing circuits, thereby pulling high corresponding DC levels of the divided voltage signals.

Abstract: A voltage sensing circuit (230) for sensing voltage signals of input alternating current (AC) signals includes a plurality of voltage dividing circuits (23n (n=1, 2, 3, . . . , n)) and a charging circuit (232). The voltage dividing circuits are used for dividing voltage signals of the input AC signals. The voltage dividing circuits are connected to the charging circuit, and then the divided voltage signals can be transmitted between the voltage dividing circuits, thereby pulling high corresponding DC levels of the divided voltage signals.

Abstract: A vane conducting device with graphic and textual display includes a base, a coil seat, a vane, and a control unit, and a support pillar of the base includes a first electrode and a second electrode electrically coupled to a first bearing and a second bearing respectively, and a circuit board of the coil seat is electrically coupled to an end of the first and second electrodes for transmitting electric power to the first and second bearings through the first and second electrodes, and a cap of the vane includes a central shaft pivotally coupled to the first and second bearings, such that when the vane rotates, the first and second bearings and the central shaft transmit the electric power required by the control unit through the first and second electrodes.

Abstract: A hair dryer includes a casing inside which a heat generation device for generation of heat by burning fossil fuel supplied from a removable internal fuel container and a fan for generation of an air flow passing through the heat generation device to be heated thereby for the provision of heated air stream are arranged. The heat generation device includes a cordierite based ceramic body on which a platinum based oxidation catalyst is coated. An initial ignition device is provided to cause an initial burning of the fuel supplied to thereto for heating the catalyst to the working temperature thereof. Once reaching the working temperature, the catalyst itself maintains the oxidation or burning of the fuel in a flameless manner and the heated air flow is continuously supplied until the fuel supply is cut off and the fan turned off.