Abstract: A wireless charging device includes a wireless transmitting module and a wireless receiving module. The wireless transmitting module includes a first outer casing and a wireless transmitting unit disposed inside the first outer casing for generating electromagnetic fields. The wireless receiving module includes a second outer casing, a wireless receiving unit disposed inside the second outer casing for wirelessly receiving the electromagnetic fields generated by the wireless transmitting unit, and at least one electrical connector exposed outside the second outer casing and electrically contacting a portable electronic device. The first outer casing of the wireless transmitting module has at least one first receiving space for receiving the second outer casing and at least one second receiving space for receiving the at least one electrical connector.

Abstract: A wireless charging device includes a wireless transmitting module and a wireless receiving module. The wireless transmitting module includes a first outer casing and a wireless transmitting unit disposed inside the first outer casing for generating electromagnetic fields. The wireless receiving module includes a second outer casing, a wireless receiving unit disposed inside the second outer casing for wirelessly receiving the electromagnetic fields generated by the wireless transmitting unit, and at least one electrical connector exposed outside the second outer casing and electrically contacting a portable electronic device. The first outer casing of the wireless transmitting module has at least one first receiving space for receiving the second outer casing and at least one second receiving space for receiving the at least one electrical connector.

Abstract: The current convertor comprises a current converting device and a sliding cover. The current converting device comprises a casing, a current converting module arranged inside the casing, two conductive terminals electrically connected to the current converting module, and a first sliding module disposed on the casing. The conductive terminals are partially exposed from the casing. The sliding cover has a second sliding module having two thru holes. The second sliding module is slidably disposed on the first sliding module for enabling the sliding cover to slide between a first position and a second position relative to the casing. When at the first position, the conductive terminals pass through the thru holes of the sliding cover for inserting into the conventional outlet, and when at the second position, the conductive terminals are arranged in a space surrounded by the sliding cover and the casing.

Abstract: The current convertor comprises a current converting device and a combinative plug. The current converting device comprises a casing and a current converting module arranged in the casing. The casing has at least one track extended from an outer surface of the casing along a sliding direction. The combinative plug comprises an insulating body and a conductive pin set disposed on the insulating body. The insulating body has a quick releasing portion conformed in shape to the track. The quick releasing portion is detachably sliding on the track of the casing along the sliding direction for maintaining the relative position between the current converting device and the combinative plug and for establishing electrical connection between the conductive pin set and the current converting module.

Abstract: A current converting device comprises a casing, a current converting module arranged in the casing, a buffer structure, and a heat dissipative structure abutting on at least half of an outer surface of the casing. The current converting module has a circuit board. The buffer structure has a first and a second buffer portions disposed on the inner surface of the casing and facing to each other. The circuit board has a thru hole, the second buffer portion passes through the thru hole and inserts into the first buffer portion, the first buffer and the second buffer portions surroundingly define a buffer space and a gap in communication with the buffer space. When the casing is pressed, the air in the buffer space flows out via the gap for reducing the relative speed between the first and the second buffer portions.

Abstract: The current convertor comprises a current converting device and a sliding cover. The current converting device comprises a casing, a current converting module arranged inside the casing, two conductive terminals electrically connected to the current converting module, and a first sliding module disposed on the casing. The conductive terminals are partially exposed from the casing. The sliding cover has a second sliding module having two thru holes. The second sliding module is slidably disposed on the first sliding module for enabling the sliding cover to slide between a first position and a second position relative to the casing. When at the first position, the conductive terminals pass through the thru holes of the sliding cover for inserting into the conventional outlet, and when at the second position, the conductive terminals are arranged in a space surrounded by the sliding cover and the casing.

Abstract: The current convertor comprises a current converting device and a combinative plug. The current converting device comprises a casing and a current converting module arranged in the casing. The casing has at least one track extended from an outer surface of the casing along a sliding direction. The combinative plug comprises an insulating body and a conductive pin set disposed on the insulating body. The insulating body has a quick releasing portion conformed in shape to the track. The quick releasing portion is detachably sliding on the track of the casing along the sliding direction for maintaining the relative position between the current converting device and the combinative plug and for establishing electrical connection between the conductive pin set and the current converting module.

Abstract: The present invention discloses a standby circuit. The standby circuit is coupled to an electric device for providing a standby voltage to the electric device when the electric device is not turned on. The standby circuit includes a light emitting module and an energy converter. The light emitting module receives an AC current and is driven by the AC current to generate light. The energy converter receives the light generated by the light emitting module and converts the light into the standby voltage. Therefore, the present invention can simplify the design of traditional standby circuit in a television.

Abstract: The configurations of photovoltaic system and methods thereof are provided. The proposed photovoltaic system includes a PI-INC MPPT controller using a variable-frequency constant-duty (VFCD) control and guided by an Ipv-Vpv curve and a Ppv-Vpv curve.

Abstract: The Configurations of photovoltaic system and charging methods thereof are provided. The proposed photovoltaic system includes a first battery receiving a first pulse train to proceed a first charge during a first time period and engaging in an intense discharge to generate a second pulse train during a first portion of a second time period, a second battery receiving the first pulse train to proceed a second charge during the second time period, a third battery engaging in a third charge via the second pulse train during the first portion of the second time period, and a charge management controller controlling the first charge and the intense discharge of the first battery, the second charge of the second battery, and the third charge of the third battery.

Abstract: The configurations of photovoltaic system and methods thereof are provided. The proposed photovoltaic system includes a PI-INC MPPT controller using a constant-frequency variable-duty (CFVD) control and guided by an Ipv-Vpv curve and a Ppv-Vpv curve.

Abstract: An integrated circuit board includes a bridging filtering capacitor, a bypass capacitor, a thermistor, and a varistor. The integrated circuit board further includes an electrolytic capacitor set having a plurality of electrolytic capacitors, which are arranged in parallel and adjacent to each other, and a mounting frame for grouping the electrolytic capacitors. The present invention uses the above elements to reduce the vertical height, the horizontal width, and the occupied area. Therefore, the overall dimension of the circuit board can be reduced to make the electronic devices smaller, especially for thin electronic devices such as LCD TVs and screens.

Abstract: A transformer includes a bobbin, a primary coil, a secondary coil, and a core assembly. The bobbin has a winding portion. At least one first winding groove and at least one second winding groove are formed on the winding portion. The first winding groove and the second winding groove are separated by a barrier. A notch is formed on the fringe portion of the barrier. The primary coil is wrapped in the first winding groove, and the secondary coil is wrapped in the second winding groove. The notched barrier increases the creepage distance between the primary coil and the secondary coil in meeting the safety standards.

Abstract: A transformer includes a winding frame, a primary coil, an insulating cover, a secondary coil, and a core assembly. The winding frame has a winding portion formed with a first side portion and a second side portion oppositely. A plurality of first pins and second pins are disposed on the first and second side portions, respectively. The primary coil is wrapped around the winding portion of the winding frame and connected to the first pins. The insulating cover is fitted over the primary coil. The secondary coil is wrapped around the insulating cover and connected to the second pins. The core assembly is arranged on the winding frame. A transformer assembling method is also disclosed. The coil wrapping process for the transformer can be expedited and associated cost can be reduced.

Abstract: A power conversion system with zero-voltage start-up mechanism and a zero-voltage start-up device are disclosed. The system includes a power conversion circuit, a power factor correction unit, a storage capacitor, a storage switching unit, and a zero-voltage detection module. The storage switching unit is serially connected with the storage capacitor, and particularly controlled by the zero-voltage detection module. The zero-voltage detection module detects a timing as an input voltage is at low level, and then outputs a control signal to turn on the storage switching unit. Therefore, the present invention assures that the power conversion system is turned on when the input voltage is at the low level, in order to suppress the system from a surge current.

Abstract: The present invention discloses a standby circuit. The standby circuit is coupled to an electric device for providing a standby voltage to the electric device when the electric device is not turned on. The standby circuit includes a light emitting module and an energy converter. The light emitting module receives an AC current and is driven by the AC current to generate light. The energy converter receives the light generated by the light emitting module and converts the light into the standby voltage. Therefore, the present invention can simplify the design of traditional standby circuit in a television.

Abstract: Feedback voltage stabilizing apparatus, method, and power conversion system are disclosed. The apparatus includes a first switching unit, a second switching unit, and a conduction control unit. In which, the first switching unit is coupled to a feedback circuit for controlling whether a feedback signal is transmitted from a first end to a second end. The second switching unit is for avoiding voltage vibrations which caused by the feedback signal occurring at the second end. By capturing a detection signal, the conduction control unit can determine whether to simultaneously turn on the first switching unit and the second switching unit, in order to eliminate the voltage vibrations, or not.

Abstract: Apparatus and method for draining stored power are disclosed, which the apparatus and method are applied to an EMI filter circuit for draining power. When the power supply circuit is not working, the apparatus provides a bleeder resistor to drain the power stored in the capacitors of the EMI filter circuit. On the other hand, when the power supply circuit is working, the apparatus provides an open-circuit resistor which has extremely large electrical resistance in order to stop draining power. Thus, the apparatus for draining stored power will not cause extra power waste.

Abstract: A power-saving control apparatus for reducing power consumption of a power supply is provided. The present invention includes a switching circuit and a rectifier circuit. The rectifier circuit rectifies an AC signal to a DC signal. The switching circuit controls either the AC signal or the DC signal as an input signal to an EMI filter of the power supply. Therefore, when the EMI filter receives the DC signal, the present invention achieves the effect of power-saving of the power supply.