Abstract: An AC inrush current testing device is disclosure. The AC inrush current testing device includes a grid voltage peak point calculator, a grid voltage period and timing detector, a switch, an autotransformer, and a main relay. The grid voltage period and timing detector is connected to an AC power source and the grid voltage peak point calculator. A movable contact of the switch is connected to the AC power source. A first winding of the autotransformer is connected to the AC power source, a second winding of the autotransformer, and a first stationary contact of the switch. A third winding of the autotransformer is connected to a second stationary contact of the switch and the second winding. The main relay is electrically connected to the grid voltage peak point calculator, the second winding, and the third winding. A method for testing AC inrush current is further disclosed.

Abstract: An electronic device includes a transmission interface and a control circuit. The transmission interface includes a signal reference contact and a signal transmission contact. The control circuit is electrically coupled between the signal reference contact and a ground layer, in which the control circuit is configured to selectively conduct the signal reference contact and the ground layer, and when the signal reference contact and the ground layer are conducted, the signal transmission contact is configured to transmit a first signal, and when the signal reference contact the ground layer are not conducted, the signal reference contact is configured to transmit a second signal. A transmission frequency of the second signal is less than a transmission frequency of the first signal.

Abstract: An energy-saving power supply apparatus includes a bridge rectifier, a diode bypass circuit and a control circuit. The diode bypass circuit is electrically connected to the bridge rectifier. The control circuit is electrically connected to the diode bypass circuit and the bridge rectifier. The bridge rectifier includes a plurality of diodes. After the control circuit receives a power start signal, the control circuit is configured to control the diode bypass circuit, so that a part of the diodes are bypassed to save energy.

Abstract: An electronic device includes a transmission interface, a switch unit and a control unit. The transmission interface includes a signal reference contact and a signal transmission contact. The switch unit is coupled between the signal reference contact and a grounded layer. The control unit is coupled to the switch unit. When the control unit controls the switch unit to connect the signal reference contact and the grounded layer, the signal transmission contact is used to transmit a first signal. When the control unit controls the switch unit to disconnect the signal reference contact from the grounded layer, the signal reference contact is used to transmit a second signal.

Abstract: A method for performing power management in an electronic system and associated apparatus are provided, where the method is applied to at least one electronic device of a plurality of electronic devices of the electronic system. Based on the method, the electronic system utilizes a control electronic device within the plurality of electronic devices to send a first turning on signal to a first electronic device within the plurality of electronic devices to trigger the first electronic device to turn on, wherein the first electronic device is coupled to the control electronic device. The electronic system utilizes the first electronic device to send a second turning on signal to a second electronic device within the plurality of electronic devices to trigger the second electronic device to turn on, wherein the second electronic device is coupled to the control electronic device through the first electronic device.

Abstract: The invention is directed to an integrated polarized light emitting diode device that has a light emitting diode, a metal grating, an oxide layer, and a built-in photonic crystal rotator. Additional teachings include a method for making the integrated polarized light emitting diode, a method for improving the polarization selectivity and energy efficiency of a light emitting diode, and a method for rotating polarization of a light emitting diode.

Abstract: A motor base includes a bottom plate and at least one vibration reduction unit. The bottom plate has opposite top and bottom surfaces. A shaft-coupling portion is arranged on the top surface. The at least one vibration reduction unit encloses the shaft-coupling portion. Each of the at least one vibration reduction unit includes at least one protrusion and at least one groove. The at least one protrusion is arranged on one of the top and bottom surfaces. The at least one groove is correspondingly arranged on the other one of the top and bottom surfaces.

Abstract: A server-based platform for text proofreading includes a network unit, a processing unit, and a storing unit. The network unit connects to a networking device to receive a document including original paragraphs with words. The processing unit connects electronically to the network unit for identifying the words from the document, converting the words into reflow paragraphs, and generating an index data based on the contrast relationship between the original paragraphs and the converted reflow paragraphs. The storing unit connects electronically to the processing unit for storing a reflow document including the reflow paragraphs. The processing unit generates a proofread webpage including a first window and a second window. When the processing unit receives a referencing command from the networking device via the network unit, the original paragraphs and the corresponding reflow paragraphs are displayed on the first window and the second window respectively according to the index data.

Abstract: An electronic device includes a transmission interface, a switch unit and a control unit. The transmission interface includes a signal reference contact and a signal transmission contact. The switch unit is coupled between the signal reference contact and a grounded layer. The control unit is coupled to the switch unit. When the control unit controls the switch unit to connect the signal reference contact and the grounded layer, the signal transmission contact is used to transmit a first signal. When the control unit controls the switch unit to disconnect the signal reference contact from the grounded layer, the signal reference contact is used to transmit a second signal.

Abstract: The present invention relates to a protective guiding device for used in cable, including: a plurality of connection rack units for being connected and formed as a chain; and two turning and positioning structures, each of the structures includes an intermediate member and a fasten member, and adjacent surfaces defined on the two members are formed with a plurality of positioning concave parts and positioning convex parts capable of being mutually engaged; when the fasten member is outwardly pulled, and a buckle hole thereof is enabled to compress an elastic member relative to a buckle hook of the intermediate member, so the positioning convex parts and positioning concave parts are released and the fasten member can be turned to a desired angle then be released for allowing the elastic member to be stretched, so the positioning convex parts and the positioning concave parts are engaged for forming a positioning status.

Abstract: The invention relates to light-emitting devices, and related components, systems and methods. In one aspect, the present invention is related to light emitting diode (LED) light extraction efficiency. A non-limiting example, the application teaches a method for improving light emitting diode (LED) extraction efficiency, by providing a nano-rod light emitting diode; providing quantum wells; and reducing the size of said nano-rod LED laterally in the quantum-well plane (x and y), thereby improving LED extraction efficiency.

Abstract: A supercapacitor including at least one first electrode substrate having a surface coated with an active material, and at least one second electrode substrate having a surface coated with the active material, wherein the at least one first electrode substrate has a polarity reverse to that of the at least one second electrode substrate. The at least one first and second electrode substrates are stacked in an alternating arrangement. A plurality of the first electrode substrate having the same polarity or a plurality of the second electrode substrate having the same polarity is connected in parallel. The at least one first and second electrode substrates include stacking portions each having opposite surfaces arranged with a frame-shaped insulating ring. An electrolyte is accommodated in spaces enclosed by the opposite surfaces of each stacking portion of the at least one first and second electrode substrates and each insulating ring.

Abstract: An encapsulated stator includes a driving module coupled to a shaft tube. The driving module includes a silicon steel plate unit. A coil unit is wound around the silicon steel plate unit. A jacket is mounted to an outer periphery of the silicon steel plate unit of the driving module. The jacket includes an inner face and an outer face opposite to the inner face. The inner face of the jacket faces the driving module. An encapsulant is bonded to the driving module, the jacket, and the shaft tube. The encapsulant encapsulates the driving module. The encapsulant partially encapsulates the outer face of the jacket.

Abstract: The present invention relates to a partition post used on a printed circuit board, which comprises an insulation post member and an electric conductive spring. The top and the bottom of the insulation post member are respectively and protrudingly installed with an upper and a lower connection rings, and the bottom surface of the lower connection ring is longitudinally extended with an arrow-shaped elastic buckle claw; the electric conductive spring is sleeved on the insulation post member, the top and the bottom thereof are respectively installed with an upper and a lower guide parts composed of plural spiral rings and at the locations corresponding to the upper and the lower connection rings; so static electricity and/or noise signal generated by each electric component on the printed circuit board can be transmitted through the electric conductive spring to the electric conductive member and thereby providing a grounding effect.

Abstract: The present invention relates to a guiding and protecting device for a cable and conduit, comprising a pair of lateral walls being connected through a bottom plate, wherein the top surface of one of the lateral walls is connected to an end of one of a lateral edges of a restrain plate integrally, the other lateral edge is downwardly extended with a bending part, a buckle mechanism is formed between the bending part and the other lateral wall; an opened top of an accommodation slot formed by the two lateral walls is sealed by the restrain plate, and the two lateral edges of the restrain plate are respectively abutted against an inner edges of a positioning blocks protrudingly formed on the top surfaces of the two lateral walls, thereby overcoming the disadvantage of the two lateral walls being inwardly retracted and deformed, meanwhile increasing the whole structural strength.

Abstract: A stator manufacturing method for a motor includes an assembling step coupling a magnetic driving assembly onto an outer circumferential wall of a shaft tube, a mold combining step disposing the shaft tube and the magnetic driving assembly in an intra-cavity of a fixture unit, a glue injecting and forming step injecting a filling glue into the intra-cavity, with the filling glue solidifying into a protective glue coating with which the shaft tube and magnetic driving assembly are coated, a mold removing step removing the fixture unit from the shaft tube, magnetic driving assembly and protective glue coating, and a shaft tube seat coupling step providing a shaft tube seat having an engaging portion and coupling the engaging portion with the shaft tube, allowing the shaft tube, the magnetic driving assembly, the protective glue coating and the shaft tube seat to be coupled together to form a stator for the motor.

Abstract: A motor base includes a bottom plate and at least one vibration reduction unit. The bottom plate has opposite top and bottom surfaces. A shaft-coupling portion is arranged on the top surface. The at least one vibration reduction unit encloses the shaft-coupling portion. Each of the at least one vibration reduction unit includes at least one protrusion and at least one groove. The at least one protrusion is arranged on one of the top and bottom surfaces. The at least one groove is correspondingly arranged on the other one of the top and bottom surfaces.

Abstract: The present invention relates to a partition post used on a printed circuit board, which comprises an insulation post member and an electric conductive spring. The top and the bottom of the insulation post member are respectively and protrudingly installed with an upper and a lower connection rings, and the bottom surface of the lower connection ring is longitudinally extended with an arrow-shaped elastic buckle claw; the electric conductive spring is sleeved on the insulation post member, the top and the bottom thereof are respectively installed with an upper and a lower guide parts composed of plural spiral rings and at the locations corresponding to the upper and the lower connection rings; so static electricity and/or noise signal generated by each electric component on the printed circuit board can be transmitted through the electric conductive spring to the electric conductive member and thereby providing a grounding effect.

Abstract: The invention relates to light-emitting devices, and related components, systems and methods. In one aspect, the present invention is related to light emitting diode (LED) light extraction efficiency. A non-limiting example, the application teaches a method for improving light emitting diode (LED) extraction efficiency, by providing a nano-rod light emitting diode; providing quantum wells; and reducing the size of said nano-rod LED laterally in the quantum-well plane (x and y), thereby improving LED extraction efficiency.

Abstract: A motor includes a base, a stator, a rotor, a circuit board and a heat-conducting insulator. The base includes a cooling plate. The stator is coupled to the base. The rotor is rotatably coupled to the base and aligned with the stator. The circuit board is received in the base and electrically connected to the stator. The heat-conducting insulator is disposed between the cooling plate and the circuit board, and abuts with the cooling plate and one face of the circuit board.