Abstract: A motor includes a rotor module and a stator module. The rotor module includes electro-active polymer modules which change their physical size depending on electrical activation or deactivation. The stator module includes a base and a plurality of magnets mounted on two fixing plates of the base. The rotor module comprises a rotor and a coil. Precise displacement by the motor is obtained by electrically activating or deactivating the electro-active polymer modules.

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 linear motor includes a stator and a rotor. The stator includes two opposing plates, a spacing plate positioned between the plates, and a plurality of permanent magnets mounted on the two plates and spaced from each other. The rotor includes a coil portion and an assembly block. The coil portion is positioned between the two plates, and the assembly block is connected to the coil portion and next to the plates. The spacing plate defines a slide groove, and the coil portion includes a plurality of balls mounted at one surface toward the spacing plate. The plurality of balls is partially received in the slide groove in the sliding way.

Abstract: A light guide plate includes a light incident section and a light guiding section. The light incident section includes a light incident surface configured to receive light beams emitted from a light source, a top surface adjacent to the light incident surface, a first bottom surface oppose to the top surface. The light guiding section includes a main light emitting surface, a connecting surface connecting the main light emitting surface with the top surface, a second bottom surface opposite to the main light emitting surface and connecting with the first bottom surface, and a contacting surface connecting with the main light emitting surface and the second bottom surface. A step is formed at a junction of the light incident section and the light guiding section, and the connecting surface and the top surface define an accommodating space.

Abstract: An enclosure for a handheld electronic device includes a base defining a recess, a rectangular, hollow frame, a rectangular, hollow double-sided adhesive tape, a rectangular, hollow silicone rubber layer and a transparent plate. The recess receives therein a main body and a display panel of the electronic device. The frame, the double-sided adhesive tape and the silicone rubber layer are sequentially received in the recess along a direction from an inside toward an opening of the recess of the enclosure and surround the display panel. The transparent plate is secured to fronts of the silicone rubber layer and the display panel and adhered by the silicon rubber layer to cover the opening of the recess.

Abstract: A logistics system applies to a logistic vehicle and a plurality of production equipment is provided. The logistic system includes a position confirming module, a calculating module, and a driving control module. The position confirming module is configured to determine a current position of the logistic vehicle based on strengths of the first signals and a relationship recording relationships between first signal strengths and distances between the logistic vehicle and the production equipment. The calculating module is configured to calculate a first optimal path for the logistic vehicle from the current position to the production equipment which transmitted a second signal indicating finished machining based on a map including the plurality of the production equipment and the current position of the logistic vehicle. The driving control module is configured to control the logistic vehicle to move according to the first optimal path. A logistics method is also provided.

Abstract: A transmission device includes an input shaft, a first transmission mechanism, a speed changing mechanism, and an output shaft. The first transmission mechanism includes a transmission shaft, an inner magnetic member received in the transmission shaft, a mounting housing coupled to the input shaft, and an outer magnetic member. The input shaft is configured to rotate the mounting housing. The outer magnetic member is received in the mounting housing and positioned adjacent to the inner magnetic member. A magnetic pole of the inner magnetic member is opposite to a magnetic pole of the outer magnetic member. The speed changing mechanism is coupled to the transmission shaft. The output shaft is coupled to the speed changing mechanism.

Abstract: A projection lamp utilizing light emitting diodes (LEDs) includes a housing, a lamp board positioned on the housing, an upper covering the lamp board, and a lens positioned above the upper cover. The lamp board includes a plurality of LEDs. A majority portion of the housing and the upper cover is composed of thermally conductive materials. The housing includes a plurality of latch holes, the upper cover includes a plurality of latching chambers corresponding to the latch holes, and the lens includes a plurality of latching members extending through the latching chambers to engage the housing latch holes.

Abstract: A linear motor includes a base, a stator positioned on the base, a mover positioned in the stator and configured to move relative to the stator, and two air guiding devices. The stator has two opposite openings. Each air guiding device is positioned adjacent to one respective opening to speed up an air circulation in the stator for cooling.

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 linear motor includes a base, a stator positioned on the base, a mover positioned in the stator and configured to move relative to the stator. The base defines a cooling passage being air communicating with outer environment for flowing fluid.

Abstract: A linear motor includes a stator and a rotor. The stator includes two opposing plates, a spacing plate positioned between the plates, and a plurality of permanent magnets mounted on the two plates and spaced from each other. The rotor includes a coil portion and an assembly block. The coil portion is positioned between the two plates, and the assembly block is connected to the coil portion and next to the plates. The spacing plate defines a slide groove, and the coil portion includes a plurality of balls mounted at one surface toward the spacing plate. The plurality of balls is partially received in the slide groove in the sliding way.

Abstract: A linear motor includes a stator and a rotor. The stator has a first plate, a second plate, and a plurality of permanent magnets mounted on the first plate and the second plate. The rotor has a main body positioned between the first plate and the second plate, a plurality of electric coils received in the main body, and one or more cover plates. The main body includes a first outer surface facing the first plate, and a second outer surface facing the second plate. A flow passage is defined in at least one of the first outer surface and the second outer surface, and at least one of the one or more cover plates is mounted on one of the first outer surface and the second outer surface covering the flow passage. Cooling fluid is flowable through the flow passage.

Abstract: A motor includes a rotor module and a stator module. The rotor module includes electro-active polymer modules which change their physical size depending on electrical activation or deactivation. The stator module includes a base and a plurality of magnets mounted on two fixing plates of the base. The rotor module comprises a rotor and a coil. Precise displacement by the motor is obtained by electrically activating or deactivating the electro-active polymer modules.

Abstract: A light guide plate includes a light incident section and a light guiding section. The light incident section includes a light incident surface configured to receive light beams emitted from a light source, a top surface adjacent to the light incident surface, a first bottom surface oppose to the top surface. The light guiding section includes a main light emitting surface, a connecting surface connecting the main light emitting surface with the top surface, a second bottom surface opposite to the main light emitting surface and connecting with the first bottom surface, and a contacting surface connecting with the main light emitting surface and the second bottom surface. A step is formed at a junction of the light incident section and the light guiding section, and the connecting surface and the top surface define an accommodating space.

Abstract: A projection lamp utilizing light emitting diodes (LEDs) includes a housing, a lamp board positioned on the housing, an upper covering the lamp board, and a lens positioned above the upper cover. The lamp board includes a plurality of LEDs. A majority portion of the housing and the upper cover is composed of thermally conductive materials. The housing includes a plurality of latch holes, the upper cover includes a plurality of latching chambers corresponding to the latch holes, and the lens includes a plurality of latching members extending through the latching chambers to engage the housing latch holes.

Abstract: An LED street light includes a bottom cover, a lamp board positioned on the bottom cover, a top cover coupled with the bottom cover and positioned above the lamp board, and a plurality of lenses mounted on the top cover. A majority of the top cover and the bottom cover are made of thermally conductive material. The bottom cover comprises a plurality of heat dissipation columns spaced from each other. The top cover includes a plurality of recesses for transmitting light from the lamp board, and the recesses are substantially annularly shaped.