Abstract: A data storage device securing mechanism for convenient assembly and disassembly of a data storage device includes a bracket and two latch members. The bracket includes a bottom plate and a first side plate connected with one side of the bottom plate. The first side plate includes a limiting plate and a latch member is secured on the first side plate. One end of each latch member is hooked, and the limiting plate is configured to be elastically deformed to slide the latch member relative to the bracket. The hook is abutted the limiting plate to prevent the limiting plate from rebounding.

Abstract: A method of manufacturing a light refection film includes: preparing a precursor, the precursor includes white pigments and liquid UV (ultraviolet) curing material. The white pigments are evenly dispersed in the UV curing material, and a weight ratio of the white pigments and the UV curing material ranges from 20:80 to 38:62. Then the following step is providing a first base, and arranging a blocking part on the first base to limit a receiving area of the precursor. The precursor is thereafter dropped into the receiving area of the precursor. A second base is then brought to press the precursor, the precursor is cured by exposure UV to form the light reflection film, finally the first base, the second base, and the blocking part are removed to obtain the light reflection film. The present disclosure also provides a light reflection film obtained by the method.

Abstract: An over-current protection circuit includes a first connector, a first current measuring unit, a first switch unit, a first resistor unit, and a second connector. The first connector is electrically coupled to a power supply unit (PSU). When a current of the first resistor unit measured by the first current measuring unit is less than a first reference value, the first switch unit is turned on, and the second connector receives a first power supply from the PSU. When the current of the first resistor unit measured by the first current measuring unit is greater than or equal to the first reference value, the first switch unit is turned off, and the second connector does not receive the first power supply from the PSU.

Abstract: A product positioning device includes a support, a first guide rail, a second guide rail, a support platform, a latching device, and a driving device. The first guide rail and the second guide rail are positioned on the support. The support platform is configured to receive a product to be positioned. The support platform is movable to an end of the first guide rail. The latching device is movable to a position holding the product to be positioned against the support platform. The driving device is movable to a position nearer the support platform. The driving device is further slidably engaged with the second guide rail. The driving device moves to the driving device position as the support platform moves to the end of the first guide rail, and the latching device moves to the latching device position as the driving device moves to the driving device position.

Abstract: The wheel includes a tire, a rim, two groups of supporting members. The tire is coupled to the rim. The groups of supporting members are oppositely positioned and received in the tire. Each group of supporting members are separately positioned from each other. The supporting members of each group are coupled to an inner surface of the tire by injection method. Central axes of the supporting members of each group are coincident or parallel. A central axis of each supporting member is coincident with or parallel to a central axis of a central axis of the tire.

Abstract: A stator includes a winding core and a plurality of winding mechanisms. A plurality of winding grooves are defined on an inner surface of the winding core. Each of the winding mechanisms includes a first conductive wire and a second conductive wire. The first conductive wire includes a first curve portion, a first pin, and a second pin. The second conductive wire includes a second curve portion, a third pin, and a forth pin. The first conductive wire and the second conductive wire can be alternately connected together one by one via a first pin, a second pin, a third pin, and a forth pin to form two coils.

Abstract: A fan assembly includes a first fan including a first frame, a second fan including a second frame, the first frame of the first fan has a first jointing surface, and the second frame of the second fan has a second jointing surface. A first concave structure and a first flange are formed along two ends of a first direction of the first jointing surface of the first fan, and a first concave structure and a first flange are formed along two ends of a first direction of the second jointing surface of the second fan respectively. The first flange of the first fan moves relatively to the second jointing surface of the second fan, and is embedded in the first concave structure of the second fan.

Abstract: A pressing apparatus includes a driving device, a platform configured to support a workpiece, a movable support mounted to the driving device, a pressing member rotatably mounted to the movable support, and a limiting block mounted on the platform. The movable support is movable in a direction substantially perpendicular to the platform. The limiting block rotates the pressing member down pressing the workpiece between the platform and the pressing member when the movable support moves.

Abstract: A clamping device includes a supporting bracket, a lifting assembly, a first adjusting assembly and a holding assembly. The supporting bracket includes a supporting member. The lifting assembly includes a first lifting member, a second lifting member, a fixed pulley, a connecting member and a clump weight. The first lifting member and the second lifting member are both slidably sleeved on the supporting member. The fixed pulley is mounted on the supporting member. The connecting member is arranged on the fixed pulley and couples the first lifting member to the second lifting member. The clump weight is detachably fixed to the first lifting member. The first adjusting assembly includes a first fixed member rotatably sleeved on the second lifting member and a first adjusting member rotatably sleeved to the first fixed member. The holding assembly is rotationally mounted on the first adjusting member.

Abstract: An LED device includes a plurality of LED dies, a plurality of lens, a diffuser plate and a collimator lens. The collimator lens is positioned between the diffuser plate and the lens. The collimator lens includes a plurality of fresnel lenses. A focus of each fresnel lens is equal to a distance between a plane where the fresnel lens places and a light outputting surface of the LED die. Light emitted from the LED dies is adjusted to collimator light and striking perpendicularly into the diffuser plate.

Abstract: A linear motor includes a stator and a mover coupled to the stator. The stator includes a stator body and at least one guiding portion protruding from the stator body. The mover includes a mover body and at least one sliding portion protruding from the mover body. The at least one sliding portion defines a receiving groove. The at least one guiding portion is received in the receiving groove. A gap is defined between the at least one guiding portion and the at least one sliding portion. The mover defines at least one air inlet hole communicating with the gap and configured to inject air into the gap.

Abstract: A heat dissipation simulator of a component on a printed circuit board (PCB) includes a simulation board and a simulated heat source. The simulation board includes an iron layer and a plastic layer. The simulated heat source includes a simulation chip, a thermal, and a heat sink. The simulation chip, the thermal piece, and the heat sink are mounted on the simulation board in that order. The heat dissipation simulator replaces a sample of the PCB with the component for simulating working states of the component on the PCB.

Abstract: A computing device simulates a process of processing an object. The computing device calculates a moving space when a minimum bounding box of a model of a blade moves from a position point to an obtained path point. The computing device cuts a triangulated model of the object when the triangulated model of the object intersects the moving space.

Abstract: A network attached storage (NAS) device includes a control unit, a wireless communication unit, a switch unit, a voltage conversion circuit, a battery unit, and a storage unit. When the wireless communication unit receives a request to access the storage unit, the wireless communication unit outputs a first control signal to activate the switch unit, the battery unit powers the voltage conversion circuit through the switch unit, and the voltage conversion circuit supplies power to the control unit and the storage unit. Until the wireless communication unit receives the request, the wireless communication unit outputs a second control signal to deactivate the switch unit, the battery unit cannot power the voltage conversion circuit through the switch unit, and the voltage conversion circuit does not supply power the control unit and the storage unit.

Abstract: A fastening apparatus is configured to fasten an electronic device to other objects. The fastening apparatus includes a fastening base, a connection assembly pivotably connected to the fastening base, a first magnet, and an adhesive layer positioned on the fastening base configured to fix the fastening base to other objects. The connection assembly includes a connection portion and a second hinge positioned on the connection portion. The first magnet is positioned on a side of the connection portion to detachably grip the electronic device, and the second hinge is positioned on other side of the connection portion opposite to the first magnet. The second hinge is pivotably connected to the fastening base.

Abstract: Optical communication apparatus includes a printed circuit board (PCB), a photoelectric unit electrically connected to the PCB, a supporting member positioned on the PCB, a coupler supported on the supporting member, and an optical fiber unit. The coupler optically couples the photoelectric unit to the optical fiber unit. The supporting member defines a through stepped hole having a larger first hole and a smaller second hole. The supporting member includes a step portion between the first hole and the second hole. The second hole is closer to the PCB than the first hole. The supporting member defines a number of positioning holes, and the coupler comprises a number of positioning poles corresponding to the positioning holes. The coupler is connected to the supporting member by inserting the positioning poles into the corresponding positioning holes.

Abstract: Automotive daytime running lights, includes a light source and reflecting plates arranged on a light path of the light source. A substrate is arranged near the reflecting plates. A plurality of reflecting cups is formed on a surface of the substrate. Every reflecting plate faces a corresponding reflecting cup. The reflecting plates can rotate around light source to change the light exiting from the light source. The invention uses a laser source with reflecting plates to make the automotive daytime running lights have high visibility and be aesthetic in appearance.

Abstract: A supporting apparatus includes a supporting assembly including a fixed member, a mounting member fixed to the fixed member and a lifting assembly. The mounting member includes a mounting portion having a first side, a second side opposite and parallel to the first side, and a top side coupling the first side with the second side. The lifting assembly includes a support member slidably attached to the first side of the mounting portion, a lifting member slidably attached to the second side of the mounting portion, at least one fixed pulley attached to the top side of the mounting portion, a connecting member arranged on the at least one fixed pulley, and coupling the support member with the lifting member, and one or more weight elements attachable to the lifting member.

Abstract: A torque sensor for electrically assisting a vehicle with pedals includes a housing, a first gear, an actuator, and a control circuit. The housing defines a receiving chamber and is configured to be coupled to a drive member. The first gear is rotatably mounted in the receiving chamber. The actuator is received in the receiving chamber and is driven by the first gear. The control circuit including a resistor is received in the receiving chamber and the actuator slides along the resistor as a rider applies force to the pedals, thus for adjusting a resistance value of the control circuit, to allow the control circuit to output a signal which governs the assisting power. The disclosure also includes an electric bicycle using the torque sensor.

Abstract: A power control circuit includes a primary auxiliary winding, a startup module, a power control module, a rectifier module, and a clamping module. The primary auxiliary winding is configured to induce a voltage provided by a power circuit to generate an induced voltage. The startup module is configured to provide a startup voltage. The power control module is connected to the startup module and configured to output a control signal which controls the power circuit to supply power when the startup voltage input to the power control module is less than an upper threshold voltage. The rectifier module is connected to the primary auxiliary winding and configured to rectify the induced voltage generated by the primary auxiliary winding. The clamping module is connected between the rectifier module and the startup module is configured to clamp the induced voltage under the upper threshold voltage.