Abstract: A laser machining device includes a stationary platform configured for carrying a workpiece, a movable platform opposite to the stationary platform, a laser machining unit and a distance measuring unit both fixed on the movable platform. The laser machining unit machines micro-structures on the workpiece. The distance measuring unit measures a distance between the movable platform and the workpiece, and adjusts the movable platform to make sure a laser beam emitted by the laser machining unit is focused on the workpiece.

Abstract: A method for providing tactile stimulation is applied in an electronic device. The electronic device includes a touch-sensitive screen and a tactile stimulation multilayer connected to the touch-sensitive screen. The tactile stimulation multilayer includes a number of electrodes.

Abstract: A method for providing tactile stimulation is applied in an electronic device. The electronic device includes a touch-sensitive screen and a tactile stimulation multilayer connected to the touch-sensitive screen. The method includes the following steps: detecting one or more touch points on the touch-sensitive screen; obtaining position information of each touch point; calculating a cover range of each touch point according to the obtained position information, and determining a center of each calculated cover range; determining a number of continuous electrodes corresponding to each calculated cover range and one electrode corresponding to the determined center of the calculated cover range; and energizing the continuous electrodes with different electrical parameters, causing the electrical parameters of the continuous electrodes to gradually decrease outward from the electrode corresponding to the center.

Abstract: An electronic device including a capacitive touch screen, a main circuit board, and a first grounding metal pad is provided. The capacitive touch screen includes a ground wire arranged along a peripheral edge of the capacitive touch screen. The first grounding metal pad is formed on the main circuit board. The ground wire electrically is connected to the first grounding metal pad and configured to conduct static electricity generated at the capacitive touch screen to the main circuit board through the first grounding metal pad.

Abstract: A mounting apparatus for fixing a conversion card to a motherboard of a chassis includes a main body and an assistant member. The assistant member includes a top board, and a side board to which the conversion card is fixed. The assistant member includes a handle mounted to the top board and adjacent to the conversion card. The handle is operated to move the mounting apparatus together with the conversion card away from the motherboard.

Abstract: A rack-mount server assembly includes a rack, server modules, and a cable management apparatus. The rack includes a support pole defining a number of through holes arrayed a row along a lengthwise direction of the support pole. The cable management apparatus includes a bracket, a number of cable binding members, and a number of cable positioning members. The bracket includes an installing plate mounted on an outer side surface of the rack adjacent to the support pole, a rear side plate, and an extending plate extending from the rear side plate. The cable binding members are attached to an outer surface of the installing plate. The cable positioning members are mounted on an outer surface of the extending plate. Cables of the server modules are extended through the through holes and are respectively clamped in the cable positioning members, and are then bound by the cable binding members.

Abstract: A rack-mount server assembly includes a rack, a number of server modules received in the rack, and a cable management apparatus. The cable management apparatus includes a bracket attached to a rear end of the rack, a number of cable binding members for binding cables, and a number of cable positioning members for positioning the cables. The bracket includes an installing plate mounted to the rack, a front side plate extending from a front side of the installing plate, and a latching plate extending rearward from the front side plate. The installing plate, the front side plate, and the latching plate cooperatively bound a receiving slot for receiving the cables. The cable securing members are attached to the installing plate. The cable positioning members are mounted to the latching plate, and are arrayed in a row along a lengthwise direction of the latching plate.

Abstract: An air duct includes a base body, a pivoting member, and a fastener including a pole. The base body includes a base portion and two extension portions. The base portion includes a top plate and two side plates extending down from opposite sides of the top plate. The extension portions extend forward from front ends of the side plates. The pivoting member includes a top cover and two side covers extending down from opposite sides of the top cover. The side covers respectively abut the extension portions. A rear end of the pivoting member is rotatably connected to the base portion. When the pivoting member is rotated to one of different positions, the pole extends through one of the side covers and the corresponding extension portion to fasten the pivoting member to the base body.

Abstract: A control circuit controls a fan to cool an integrated baseboard management controller (iBMC) in a server. The control circuit includes a state determination module. When the server is powered off and the iBMC is operating, the state determination module receives low level signals from a power supply unit (PSU) and the iBMC. The state determination module connects the PSU and the fan, such that the fan is operating. When the server and the iBMC are powered off, the state determination module receives a low level signal from the PSU and a high level signal from the iBMC. The state determination module disconnects the PSU from the fan, turning the fan off. When the server is operating, the state determination module receives a high level signal from the PSU. The state determination module disconnects the PSU from the fan, turning the fan off.

Abstract: An optical fiber fixing device includes a substrate, a first cover, a second cover, a first buffer, a second buffer, a first locking element, and a second locking element. The substrate includes a loading surface having a first receiving portion and a second receiving portion. The first receiving portion and the second receiving portion each define receiving grooves for receiving the optical fibers. The first cover and the second cover are rotatably connected to two opposite ends of the substrate. The first buffer is fixed to the first cover, and presses the optical fibers in the receiving grooves of the first receiving portion. The second buffer is fixed to the second cover, and presses the optical fibers in the receiving grooves of the second receiving portion. The first locking element locks the first cover and the substrate together. The second locking element locks the second cover and the substrate together.

Abstract: A mobile power pack includes a cover over a guide track which includes first, second, third, and fourth turning points. A sliding block defines a sliding groove to receive a ball, and the slotted ball interacts with the guide track. An elastic element is connected to the sliding block. When a cable is pulled out, the sliding block slides from the first turning point to the second turning point. When the pull on the cable is released, the elastic element restores to cause the sliding block to move until the ball reaches the third turning point, to lock the cable in position. When the cable is pulled and released, the sliding block slides until the ball reaches the fourth turning point, allowing the cable to be retracted into the body of the power pack.

Abstract: An optical fiber fixing device includes a substrate, a cover, a locking assembly, and a fixing plate. The substrate has a loading surface. A number of poles are positioned on the loading surface. Every two adjacent poles cooperate to form a receiving groove. The cover is rotatably connected to one end of the substrate. The fixing plate is positioned on the cover, and has a main body and a number of abutting portions extending from the main body. The abutting portions are corresponding to the receiving grooves respectively. Each abutting portion has two opposite abutting surfaces inclined with respect to the loading surface. Each abutting surface faces one of the poles, and thus the two abutting surface of each abutting portion cooperate with two corresponding poles and the loading surface to fix two optical fibers in the corresponding receiving groove.

Abstract: A method for making a light emitting diode includes the following steps. A first epitaxial substrate having a first epitaxial growth surface is provided. A carbon nanotube layer is placed on the first epitaxial growth surface. An intrinsic semiconductor layer is grown on the first epitaxial growth surface epitaxially. A second epitaxial substrate is formed by removing the carbon nanotube layer, wherein the second epitaxial substrate has a second epitaxial growth surface. A first semiconductor layer, an active layer and a second semiconductor layer are grown on the second epitaxial growth surface in that order. A part of the first semiconductor layer is exposed by etching a part of the active layer and the second semiconductor layer. A first electrode is applied on the first semiconductor layer and a second electrode is applied on the second semiconductor layer.

Abstract: A file arrangement system applied in an electronic device includes a display control module, a date obtaining module. The display control module is operable to control a display unit of the electronic device to display a user interface with a date scale according to a predefined calendar. The date scale includes date marks corresponding to the calendar. The date obtaining module is operable to obtain the creation date of a selected file. The display control module is further operable to control the display unit to display the thumbnail image of the selected file in a position of the date scale where the date mark corresponds to the creation date of the selected file. An electronic device and a file arrangement system are also provided.

Abstract: A light emitting diode includes a source layer, a metallic plasma generating layer, a first optical symmetric layer, a first electrode, and a second electrode. The source layer includes a first semiconductor layer, an active layer, and a second semiconductor layer stacked in series. The first semiconductor layer includes a first surface and a second surface opposite to the first surface. The first electrode covers and contacts the first surface. The second electrode is electrically connected with the second semiconductor layer. The metallic plasma generating layer is disposed on a surface of the source layer away from the first semiconductor layer. The first optical symmetric layer is disposed on a surface of the metallic plasma generating layer away from the first semiconductor layer. A refractive index difference between the source layer and the first optical symmetric layer is less than or equal to 0.3.

Abstract: An electrical connector for electrically connecting an IC package with a substrate and includes an insulative housing with a plurality of contacts received therein, a stiffener located outside of the insulative housing, a holding member and a load plate pivotally assembled to the stiffener, the stiffener includes a first end and a second end opposite to the first end, the holding member is pivotally assembled to the first end of the stiffener for holding and assembling the IC package to the insulative housing, the load plate is configured to frame shape and is pivotally assembled to the second end of the stiffener.

Abstract: A method for updating firmware of a management engine (ME) of a Platform Controller Hub (PCH) chipset of an electronic device, firmware of the ME embedded in a storage device, the electronic device controls a voltage level of a protection pin to be low by setting a voltage level of a GPIO pin to be a low voltage level; generating a first control command to restart the electronic device to allow the firmware of the ME to be updated; and updating the firmware of the ME by writing update data into the storage device when the electronic device is restarted.

Abstract: A handheld device includes a specified number of protection components, each protection component includes an actuating unit, an active bracket, a fixed bracket, a holding unit, a spring, and an anti-collision unit. The actuating unit is connected to a body of the handheld device, a first end of the active bracket is connected to the actuating unit, a second end of the active bracket is connected to the holding unit, the fixed bracket is positioned in the holding unit near to the active bracket, and the anti-collision unit is connected to the spring, the anti-collision unit is kept in the holding unit when the protection component is not activated.

Abstract: A paper outputting apparatus for supporting a plurality of papers output from a paper output port of a printing apparatus includes a supporting bracket, two paper output slides slidably mounted on the supporting bracket, and a paper pressing slide slidably mounted on the supporting bracket. When a sheet of paper slides out from the paper output port, the two paper output slides slide to an outside of the paper output port from the supporting bracket. The paper pressing slide moves toward the paper in the paper output port to resist against the paper. The paper is curved by the paper pressing slide and slides out from the paper output port along the two paper output slides.

Abstract: In a method for verifying firmware of an electronic device, the electronic device includes a baseboard management controller (BMC) for storing a BMC firmware, and a basic input-output system (BIOS) for storing a BIOS firmware. The method writes a first verification code into the BMC firmware, and writes a second verification code into the BIOS firmware. The method writes the BMC firmware into the BMC, and writes the BIOS firmware into the BIOS. The method further triggers the electronic device to power off if the first verification code of the BMC firmware is not identical to the second verification code of the BIOS firmware, and boots an operating system of the electronic device if the first verification code of the BMC firmware is identical to the second verification code of the BIOS firmware.