Abstract: A power supply unit supplies power to a load, and the power supply unit includes a power factor corrector, a DC conversion module, and an isolated conversion module. The power factor corrector is plugged into a first main circuit board and converts an AC power into a DC power. The DC conversion module is plugged into the first main circuit board and converts the DC power into a main power. The isolated conversion module includes a bus capacitor, the bus capacitor is coupled to the DC conversion module through a first power copper bar, and coupled to the power factor corrector through a second power copper bar. The first power copper bar and the second power copper bar are arranged on a side opposite to the first main circuit board, and are arranged in parallel with the first main circuit board.

Abstract: A method for manufacturing a golf ball having a multi-layered pattern is provided. Firstly, a semi-finished product of the golf ball is provided and includes a ball-shaped body and a base layer covering an outer surface of the ball-shaped body. Then, the semi-finished product of the golf ball is rotated at a predetermined rotation speed, and a color paint is applied to the semi-finished product of the golf ball by spraying from each of an upper position, a middle position, and a lower position. The multi-layered pattern includes an upper-layer pattern area, a mid-layer pattern area, and a lower-layer pattern area that are different in color from each other.

Abstract: Provided are a noise cancellation method and apparatus, an electronic device, a noise cancellation earphone, and a storage medium. The method includes acquiring original sound source information; performing noise reduction (NR) processing on the original sound source information using active noise cancellation (ANC) to obtain first sound information and performing the NR processing on the original sound source information using environmental noise cancellation (ENC) to obtain second sound information; and mixing and adding the first sound information and the second sound information to obtain target sound information and playing the target sound information. In this method, the NR processing can be performed on the sound using the ANC and the ENC, thereby distinguishing environmental noise from human voice, improving the noise cancellation performance, and enabling a user to hear clearer sound.

Abstract: A transmission device includes a daisy chain structure composed of at least three daisy chain units arranged periodically and continuously. Each of the daisy chain units includes first, second and third conductive lines, and first and second conductive pillars. The first and second conductive lines at a first layer extend along a first direction and are discontinuously arranged. The third conductive line at a second layer extends along the first direction and is substantially parallel to the first and second conductive lines. The first conductive pillar extends in a second direction. The second direction is different from the first direction. A first part of the first conductive pillar is connected to the first and third conductive lines. The second conductive pillar extends in the second direction. A first part of the second conductive pillar is connected to the second and third conductive lines.

Abstract: A semiconductor structure includes a substrate. The substrate is divided into a first element region, a second element region and a boundary region. The boundary region is disposed between the first element region and a second element region. A first mask structure covers the first element region. A second mask structure is disposed in the second element region. A logic gate structure is disposed within the second element region.

Abstract: A method for classifying email includes receiving an email. Several recipient email accounts of the email are extracted. Several email feature values of the email are generated according to the recipient email accounts. A classification algorithm is utilized to classify the email as an official email or a private email according to the email feature values of the email.

Abstract: A method for analyzing data utilizing a weighted suffix tree includes receiving at least one original data sequence. An original data sequence ID is assigned to the original data sequence, and the original data sequence includes an original datums. A weighted suffix tree is constructed according to the original datums of the original data sequence. The weighted suffix tree includes several nodes, and each node includes a weight set which is formed by the original data sequence ID. Group information for classifying the original datums into several groups is received. The nodes of the weighted suffix tree belonging to a same group are merged according to the group information. Data is analyzed according to the weighted suffix tree after being merged.

Abstract: A method for classifying email includes receiving an email. Several recipient email accounts of the email are extracted. Several email feature values of the email are generated according to the recipient email accounts. A classification algorithm is utilized to classify the email as an official email or a private email according to the email feature values of the email.

Abstract: A method for analyzing data utilizing a weighted suffix tree includes receiving at least one original data sequence. An original data sequence ID is assigned to the original data sequence, and the original data sequence includes an original datums. A weighted suffix tree is constructed according to the original datums of the original data sequence. The weighted suffix tree includes several nodes, and each node includes a weight set which is formed by the original data sequence ID. Group information for classifying the original datums into several groups is received. The nodes of the weighted suffix tree belonging to a same group are merged according to the group information. Data is analyzed according to the weighted suffix tree after being merged.

Abstract: The present invention discloses a foldable mouse comprising an upper shell, a lower shell, a pivotal mechanism pivotally connecting said upper shell and said lower shell and enabling the horizontal and pivotal rotation of said upper shell with respect to said lower shell, and a cover plate covering on said upper shell.

Abstract: A heating structure includes at least a substrate, a carbon-material film layer which is coated on a surface of the substrate and two electrodes which are provided at two sides of the carbon-material film layer. A surface of the substrate that is coated with the carbon-material film layer is a rough surface to increase a heat transfer area between the substrate and the carbon-material film layer, thereby improving a heat transfer efficiency and at a same time, increasing an adhesive force between the carbon-material film layer and the substrate to prevent the carbon-material film layer from dropping out.

Abstract: An operating mechanism used in an umbrella is disclosed to include a telescopic shaft, first and second screw nuts fixedly mounted in the telescopic shaft at different elevations, a third screw nut is fixedly mounted in the runner of the umbrella, a first screw rod threaded through the first screw nut, a second screw rod threaded through the second screw nut and axially slidably connected to and rotatable with the first screw rod, a third screw rod threaded through the third screw nut and axially slidably connected to and rotatable with the second screw rod, and a transmission mechanism connected to the first screw rod and operable to rotate the first screw rod.

Abstract: An operating mechanism used in an umbrella is disclosed to include a telescopic shaft, first and second screw nuts fixedly mounted in the telescopic shaft at different elevations, a third screw nut is fixedly mounted in the runner of the umbrella, a first screw rod threaded through the first screw nut, a second screw rod threaded through the second screw nut and axially slidably connected to and rotatable with the first screw rod, a third screw rod threaded through the third screw nut and axially slidably connected to and rotatable with the second screw rod, and a transmission mechanism connected to the first screw rod and operable to rotate the first screw rod.

Abstract: A nail pusher locating device for a magazine assembly has a nail pusher slidingly disposed in the magazine assembly; and a first elastic element between the magazine assembly and the nail pusher for driving the nail pusher to move toward a top end of the magazine assembly. The nail pusher has at least one bended-shaped guiding groove. The guiding groove has an entrance, an exit, and a capturing notch, opening to the top end, and a ridge protruding from an inner sidewall thereof, opposite to the capturing notch. The nail pusher further has a guiding flange slantwise extending to the entrance. The magazine assembly has a sway arm pivotally disposed at a tail end thereof, which has at least one guiding pole corresponding to the guiding flange. In addition, a second elastic element is provided between the tail end and the sway arm.

Abstract: A trigger switch mechanism for a nail gun includes a trigger valve formed on the nail gun for trigger nail shooting, a safety slidable rod configured to push against a workpiece and indirectly drive the trigger valve, a main trigger arranged between the safety slidable rod and the trigger valve, and an inner trigger disposed in the main trigger for touching the trigger valve to switch on the trigger valve. The main trigger drives the inner trigger to extend to or to leave a touchable position of the safety slidable rod, and thereby the nail gun performs in a sequential actuation mode. An outer trigger is arranged on an outer side of the main trigger for driving the inner trigger to hold the inner trigger at a position where the safety slidable rod can touch the inner trigger, and thereby the nail gun performs in a contact actuation mode.

Abstract: A nail pusher locating device for a magazine assembly has a nail pusher slidingly disposed in the magazine assembly; and a first elastic element between the magazine assembly and the nail pusher for driving the nail pusher to move toward a top end of the magazine assembly. The nail pusher has at least one bended-shaped guiding groove. The guiding groove has an entrance, an exit, and a capturing notch, opening to the top end, and a ridge protruding from an inner sidewall thereof, opposite to the capturing notch. The nail pusher further has a guiding flange slantwise extending to the entrance. The magazine assembly has a sway arm pivotally disposed at a tail end thereof, which has at least one guiding pole corresponding to the guiding flange. In addition, a second elastic element is provided between the tail end and the sway arm.

Abstract: A trigger switch mechanism of a nail gun is pivotally attached between two side plates of a trigger of the nail gun. The switch mechanism includes a blocking piece pivotally attached to a safety slide rod and a trigger valve rod of the nail gun. Each of the side plates includes an axis hole, and two blocking grooves are disposed in the axis hole. The switch mechanism includes a plurality of blocking teeth, and a spring is disposed between one of the side plate and the switch mechanism to abut the switch mechanism and nest the blocking teeth into the blocking groove for stopping the switch mechanism. The switch mechanism includes a dial portion for being dialed by a hand of the operator, which is capable of deviating the blocking teeth from the blocking grooves to release the switch mechanism, and rotating the switch mechanism to adjust the position of the blocking piece relative to the safety slide rod, so as to realize conveniently switching the operation modes of the trigger of the nail gun.

Abstract: A nail gun includes a handle, a magazine assembly, and a fastener. The handle includes a pin joint base for receiving a position pin, with a head portion. One end of the magazine assembly couples with a gun body of the nail gun. The magazine assembly includes a coupling base, which includes a slotted pin aperture. The slotted pin aperture has an end portion and a slotted block portion intercommunicated with each other, the head portion of the position pin passing through the end portion and being embedded at the slotted block portion. The fastener is disposed between the magazine assembly and the coupling base, which has an external stopper and an inner stopper. The fastener can swing to the slotted block portion, which drives the external and the inner stoppers to block the head portion of the position pin, and drives the external stopper to be disposed between the end portion and the slotted block portion.

Abstract: A trigger switch mechanism of a nail gun is pivotally attached between two side plates of a trigger of the nail gun. The switch mechanism includes a blocking piece pivotally attached to a safety slide rod and a trigger valve rod of the nail gun. Each of the side plates includes an axis hole, and two blocking grooves are disposed in the axis hole. The switch mechanism includes a plurality of blocking teeth, and a spring is disposed between one of the side plate and the switch mechanism to abut the switch mechanism and nest the blocking teeth into the blocking groove for stopping the switch mechanism. The switch mechanism includes a dial portion for being dialed by a hand of the operator, which is capable of deviating the blocking teeth from the blocking grooves to release the switch mechanism, and rotating the switch mechanism to adjust the position of the blocking piece relative to the safety slide rod, so as to realize conveniently switching the operation modes of the trigger of the nail gun.