Abstract: A modularized control circuit of a fan motor is used to provide a phase-sensing control to the fan motor. The modularized control circuit includes a driving circuit and a microcontroller IC. The driving circuit is electrically connected to the fan motor to produce a plurality of analog driving voltage signals to drive the fan motor. The microcontroller IC is connected to the driving circuit and includes a phase-sensing module, a control unit, and a driving signal generator. The phase-sensing module receives the analog driving voltage signals to sense phases thereof and to produce a phase trigger signal. The control unit is connected to the phase-sensing module and receives a speed signal and the phase trigger signal to produce a control signal. The driving signal generator is connected to the control unit and receives the control signal to produce at least one switch driving signal to control the driving circuit.

Abstract: An anti-theft charging system for charging a chargeable battery of an electric vehicle is disclosed and includes a power supplying device, an output terminal assembly, and a burglarproof detecting device. The power supplying device is used for outputting a charging energy. The output terminal assembly is electrically connected with the power supplying device and detachably coupled to the electric vehicle for receiving and transmitting the charging energy to the chargeable battery. The burglarproof detecting device includes a responding unit disposed within the output terminal assembly for issuing a response signal and a detecting unit disposed within the power supplying device and in signal connection with the responding unit for detecting the response signal. If the output terminal assembly is stolen, the detecting unit realizes that the output terminal assembly is stolen according to a change of the response signal.

Abstract: A manufacturing method of the thin fan includes the steps of: providing a plastic material containing a plurality of metal particles; processing the plastic material to form a housing; removing a part surface of the housing and forming a layout area and an extended circuit on the housing, wherein one terminal of the extended circuit connects to the layout area; disposing a first signal connecting structure on the housing, wherein the first signal connecting structure connects to the other terminal of the extended circuit; and disposing a metal layer on the layout area and the extended circuit.

Abstract: An image processing method for processing a super-resolution image and a device thereof are disclosed herein. The image processing method includes the following steps: upscaling an input image to a first image by a factor of n according to an upscaling algorithm; downsampling the input image to a second image by the factor of n; upscaling the second image to a third image by a factor of n according to the upscaling algorithm; subtracting the third image from the input image so as to obtain a first difference image; upscaling the first difference image to a second difference image by a factor of n according to the upscaling algorithm; summing the first image and the second difference image to an output image.

Abstract: A power conversion system of a multi-phase generator used to provide a power factor correction for a multi-phase generator. The power conversion system of the multi-phase generator includes a multi-phase power conversion unit and a control unit. The multi-phase power conversion unit receives a plurality of generator voltages and a plurality of generator currents generated from the multi-phase generator, and converts the generator voltages into a DC voltage and a DC current. The control unit controls the generator currents to linearly follow the generator voltages, therefore the power factor correction for the multi-phase generator is achieved.

Abstract: A method of operating a micro inverter of a solar power system includes following steps: First, an output power value of a solar photovoltaic module is acquired. Afterward, it is to judge whether the micro inverter executes a power boosting mode. If the power boosting mode is executed, a maximum output power of the micro inverter is boosted from a rated output power value to a maximum output power value. Finally, it is to judge whether the output power value of the solar photovoltaic module is greater than the maximum output power value. If YES, the maximum output power value is outputted from the micro inverter.

Abstract: A power conversion system mainly includes an input capacitor bank, a first conversion circuit, a second conversion circuit, and a control circuit. The input capacitor bank has a first capacitor and a second capacitor. The first capacitor and the second capacitor are connected to a neutral point and receive a DC input voltage. The first conversion circuit is connected in parallel to the input capacitor bank, and has a first branch, a second branch, and a first auxiliary branch. The second conversion circuit is connected in parallel to the input capacitor bank, and has a third branch, a fourth branch, and a second auxiliary branch. The control circuit produces a plurality of control signals to correspondingly control the first conversion circuit and the second conversion circuit so as to reduce leakage current caused by parasitic capacitance voltage.

Abstract: The present invention provided with a power adapter comprises a housing and a power conversion circuit board mounted in the housing. The housing comprises a body, which is a generally cylindrical shell having an accommodating space, an open end and an opposite closed end, wherein the closed end and the cylindrical shell are formed into a one-pieced, integrated structure, The housing also comprises a side dead wall mounted at and adapted to the open end. The power conversion circuit board has a first end connected to the side dead wall and a second end connected to the closed end, wherein the power conversion circuit board is fixedly accommodated within a confined space enclosed by the side dead wall and the body of the housing.

Abstract: A lighting system for a digital cinema projection apparatus is provided. The lighting system includes an ultra high pressure mercury lamp, a relay lens group, a digital micro display module, an optical filter module, and a projection lens. The ultra high pressure mercury lamp is used for emitting a light beam. The relay lens group is used for receiving the light beam and adjusting an optical path of the light beam. The optical filter module is arranged along the optical path of the lighting system for optically modulating an optical spectrum and/or a white balance of the light beam from the ultra high pressure mercury lamp. The projection lens is used for projecting the modulated light beam as an image beam.

Abstract: An electric vehicle supply equipment receives an external AC power source. The electric vehicle supply equipment includes a relay apparatus and a controller. The relay apparatus has a master relay, an auxiliary relay, and a controllable switch. The master relay is connected to a master power loop. The controllable switch is connected in series to the auxiliary relay to form a series path and connected to an auxiliary power loop. When the controller detects the external AC power source, the controller turns on the auxiliary relay. Afterward, when the controller detects that the external AC power source is in a zero-crossing condition, the controller drives the controllable switch to be turned on. Accordingly, the relays are controlled in coordinated timing, and further the external AC power source is detected, thus implementing the zero-voltage and zero-current turning on of the relay apparatus.

Abstract: A light tunnel for use in an optical projection system, comprising: a plurality of reflecting plates, each said reflecting plate being disposed between and connected to the other two said reflecting plates, so that a light passage with a hollow structure is defined by said plurality of reflecting plates. At least one of said reflecting plates has a first surface in an inclined structure, said reflecting plate having said first surface is disposed between and obliquely connected to the other two said reflecting plates for forming said light passage having a non-rectangular cross section, and said first surface of said reflecting plate is abutted against an adjoined reflecting plate to form a junction with no gap between said first surface of said reflecting plate and said adjoined reflecting plate.

Abstract: A linear delta mechanism includes a base platform, a movable platform, and a plurality of guide sets. The base platform includes a base structure and a base stand. The base stand is disposed at a center location of the base structure. The movable platform is movable with respect to the base platform. The plurality of guide sets are connected to the base platform and configured to drive the movable platform. Each of the guide sets includes a linear actuator and an actuating rod. The linear actuators of the guide sets are symmetrically disposed around the base stand. Each of the actuating rods has a first end and a second end. The first end is driven by the linear actuator, and the second end is connected to the movable platform.

Abstract: A solar photovoltaic power conversion system is provided to convert a DC input voltage into an AC output voltage, which mainly includes an input capacitor bank, a first switching circuit, a second switching circuit, a first filtering circuit, a second filtering circuit, and a control circuit. The first switching circuit has a first power switch and a second power switch. The second switching circuit has a third power switch and a fourth power switch. The control circuit produces a first control signal, a second control signal, a third control signal, and a fourth control signal to respectively control the first power switch, the second power switch, the third power switch, and the fourth power switch so as to reduce leakage current of the DC input voltage caused by parasitic capacitance voltage.

Abstract: A centrifugal fan is provided. The centrifugal fan includes an impeller and a housing. The impeller has an impeller diameter. The housing includes an upper plate, a lower plate and a side wall, wherein the upper plate axially corresponds to the lower plate, a side wall is formed between the upper plate and the lower plate, an axial inlet is formed on the upper plate, a lateral outlet is formed on the side wall, the impeller is disposed in the housing and corresponds to the inlet, and a flow path communicates the inlet to the outlet, wherein a greatest width of the inlet is greater than or equal to the impeller diameter.

Abstract: The disclosure provides a method for regulating a light wavelength of a projection device. The method comprises the following steps. A single-color light source is provided and emits a first chromatic light. A phosphor layer is formed on an optical path of the single-color light source, so that the first chromatic light transmits the phosphor layer. The phosphor layer transforms a part of the first chromatic light to a second chromatic light, and emits the residual first chromatic light. The residual first chromatic light is further mixed with the second chromatic light to generate a third chromatic light. The wavelength of the third chromatic light is regulated by adjusting the proportion of the luminous intensity of the residual first chromatic light and the second chromatic light.

Abstract: A manufacturing method of a thin fan comprises the steps of: providing a plastic material containing a plurality of metal particles; molding the plastic material into a housing; removing a part of a surface of the housing to form a circuit layout area at the housing; and forming a metal layer in the circuit layout area.

Abstract: A power system, a power module therein and a method for fabricating power module are disclosed herein. The power module includes a first and a second common pins, and a first and a second bridge arms. The first and the second common pins are symmetrically disposed at one side of a substrate. The first bridge arm includes a first and a second semiconductor devices, and the first and the second semiconductor devices are connected to each other through the first common pin and disposed adjacently. The second bridge arm includes a third and a fourth semiconductor devices, and the third and the fourth semiconductor devices are connected to each other through the second common pin and disposed adjacently. The first and the third semiconductor devices are disposed symmetrically, and the second and the fourth semiconductor devices are disposed symmetrically.

Abstract: An oil seal bearing of a fan includes a ring-shaped body for supporting a shaft of the fan, and a protruded portion disposed on the ring-shaped body. The protruded portion has a first slope, wherein the first slope is disposed corresponding to an inner top surface of a hub of the fan. An oil storage space is formed between the first slope, the shaft and the inner top surface for storing a lubricant. A first angle is formed by the extension of the first slope and the inner top surface, such that the lubricant is retained by the capillarity between the first slope and the inner top surface. Under this circumstance, the oil sealing is achieved without any additional oil seal, the effective bearing height is maximized, and the advantages of enhancing the supporting efficiency and lengthening the lifetime of the product are also achieved.