Abstract: A speaker includes a case, a dome, a diaphragm, a first voice coil, a second voice coil, a first pole plate, a second pole plate, a first magnet, a second magnet and a yoke. The case is supported on the frame to form a receiving room therebetween. The yoke includes a bottom portion and a side portion perpendicularly extending upward from the center of the bottom portion. A first magnetic gap is formed between the inner wall of the side portion and the outer wall of the magnet for receiving the first voice coil, and a second magnetic gap is formed between the outer wall of the side portion and the inner wall of the second magnet for receiving the second voice coil.

Abstract: A method of scheduling at least one of a plurality of mobile stations for data transmission in a multi-carrier wireless communication system that includes scheduling at least one mobile station on at least one of a plurality of carriers of the multi-carrier wireless communication system based on RF measurements received from the plurality of mobile stations and a Quality of Service (QoS) of the plurality of mobile stations.

Abstract: Method for manufacturing a protein filling agent for leather utilizing animal hairs. The method includes pre-treating the animal hairs to obtain pre-treated animal hairs, wherein the pre-treating comprises soaking the animal hairs in an inorganic acid solution and a reducing agent solution. Next, the pre-treated hairs are hydrolyzed in an alkaline compound to obtain a viscous liquid and then, neutralized and dried to obtain the protein filling agent for leather.

Abstract: An exemplary metal structure (10, 30) includes a base portion (14, 34), a flange (122, 322), and an edge portion (1241, 3241). The base portion defines a circular flanged hole (12, 32). The flange extends from a top surface of the base portion and the flange surrounds the circular flanged hole. The edge portion is configured for connecting an inside surface of the flange and the top surface of the base portion. The edge portion includes an edge surface, and a ratio of a radius of the edge surface (1242, 3242) of the edge portion with respect to a thickness of the base portion is less than 0.4. A method for making a circular flanged hole in a metal sheet (15) is also provided.

Abstract: A power source selection circuit includes an external power port and a battery compartment, which are used to connect to an external power source and a battery module, respectively. The power source selection circuit further includes a selection switch including a control terminal connected to the external power port, and a first path terminal connected to the battery compartment. A first unidirectional switch connects a second path terminal of the selection switch to a power output port. A second unidirectional switch connects the external power port to the output terminal. When the external power port is connected to the external power source, the control terminal of the selection switch is at a high voltage and the selection switch is cut off accordingly, thereby the path from the battery module to the power output port is cut off and the external power source provides power to the output port.

Abstract: A distributor (12) for an evaporator (22) in a vapor-compression circuit (10) comprises an elongate body (50A. 50B) defining an inlet portion (56A) and first and second distal ends (58A, 58B). The body (50A) being positionable along an interior sidewall (42) of the evaporator (22). The inlet portion (56A) positionable opposite an inlet port (38) of the evaporator (22) such that refrigerant entering the evaporator (22) engages the inlet portion (56A) of the distributor (12). The first and second distal ends (58A, 58B) extending outwardly towards opposing side ends (34A, 34B) of the evaporator (22).

Abstract: An exemplary flipping apparatus includes a slider, a flipping member and a holding table. The slider is slanted relative to the horizon. A first end of the flipping member is connected to the slider. The flipping member includes a first flipping plate and a second flipping plate facing the first flipping plate. The first flipping plate and the second flipping plate are contoured to define a workplace groove to receive a workpiece to be flipped. An angle defined by the slider and an end section of the first flipping plate opposite to the slider is less than an angle between the slider and the horizon. The holding table is connected to a second end of the flipping member, and the second end is opposite to that of the first end of the flipping member.

Abstract: An exemplary backlight module (1) includes a light guide plate (3) including two light incident surfaces (31), two light sources (4) provided adjacent to the light incident surfaces of the light guide plate, and a holding frame (5). The holding frame includes two sliding frames (52) and a bottom plate (51). Each sliding frame includes two side walls opposite to each other and a connecting wall perpendicularly connected with the side walls. The sliding frame defines a sliding structure. The bottom plate is slidingly received in the sliding structures of the sliding frames. The bottom plate and the sliding frame cooperatively form a space to accommodate the light guide plate and the light source therein.

Abstract: A backlight module includes a light guide plate having a light input surface, a light source adjacent to the light input surface of the light guide plate, and a frame unit receiving the light guide plate and the light source. The frame unit includes a back plate and a light reflective layer. The back plate defines a plurality of openings, and the light reflective layer covers the back plate and fills the openings. A method for manufacturing the backlight module is also provided.

Abstract: The present invention provides a method of radio resource allocation. The method comprises associating a plurality of mobile units with a corresponding plurality of scheduling states based on at least one radio resource parameter and at least one rule, associating each mobile unit with one allocation state based on the plurality of scheduling states associated with the mobile units, and allocating radio resource to at least one mobile units based on the allocation states.

Abstract: Method for manufacturing a protein filling agent for leather utilizing animal hairs. The method includes pre-treating the animal hairs to obtain pre-treated animal hairs, wherein the pre-treating comprises soaking the animal hairs in an inorganic acid solution and a reducing agent solution. Next, the pre-treated hairs are hydrolyzed in an alkaline compound to obtain a viscous liquid and then, neutralized and dried to obtain the protein filling agent for leather.

Abstract: An exemplary punch die (30) includes a lower die (40) and an upper die (50). The lower die includes a die core (45), a blank holder (417), and a cylinder (413) disposed in the lower die. The blank holder is disposed on a periphery of the die core. The cylinder is connected to the blank holder and provides a constant force to the blank holder. The upper die includes a punch core corresponding to the die core. A punch machine using the present punch die is also provided.

Abstract: An exemplary film-removing device for removing a protecting film from a workpiece includes a main body and a film-removing mechanism. The film-removing mechanism includes a suspending arm and a roller. The suspending arm has a first end rotatably connected to the main body. The roller is rotatably connected to a second end, opposite to the first end, of the suspending arm. The roller is driven to rotate by movement of the workpiece.

Abstract: A WDM optical transmit-receive device comprises an optical transceiver assembly and an optical receiver assembly. The optical transceiver assembly includes a first optical platform, a first optical filter, a first photodetector and a laser diode, where the first optical platform has a first surface and a first groove recessed from the first surface, the first optical filter is inserted into the first groove, the first photodetector and the laser diode are mounted adjacent to the first optical filter.

Abstract: An exemplary flipping apparatus includes a slider, a flipping member and a holding table. The slider is slanted relative to the horizon. A first end of the flipping member is connected to the slider. The flipping member includes a first flipping plate and a second flipping plate facing the first flipping plate. The first flipping plate and the second flipping plate are contoured to define a workplace groove to receive a workpiece to be flipped. An angle defined by the slider and an end section of the first flipping plate opposite to the slider is less than an angle between the slider and the horizon. The holding table is connected to a second end of the flipping member, and the second end is opposite to that of the first end of the flipping member.

Abstract: A transport arm of the present disclosure includes a pneumatic cylinder and an acting arm. The pneumatic cylinder includes a main body, a piston rod, a piston and a guiding pin. A chamber is defined in the main body. The piston rod is partially received in the chamber of the main body. The piston rod defines a guiding groove therein, and a section of the guiding groove is slanted relative to an axis of the piston rod. The piston is fixed to the piston rod and partitions the chamber of the main body into two chambers. The guiding pin is fixed to the main body, and an end of the guiding pin adjacent to the guiding groove of the piston rod moveably engages in the guiding groove. The acting arm is fixed to an end of the piston rod opposite to the piston.

Abstract: An exemplary automatic materials sorting device (100) includes an input belt (11) for transporting materials, a materials sorting mechanism (12), and a control system. The materials sorting mechanism is connected to the input belt, and includes two output belts (121, 122). The input belt and the output belts are configured to transport materials. The control system includes two acting mechanisms (14, 15) and a controller (16). The controller is configured to control the acting mechanisms. The acting mechanisms are capable of creating a force to push the materials to the output belts.

Abstract: According to one embodiment of the present invention, at least one puck light with a cover and a base magnetically held together is provided. Other embodiments include a cover and a base magnetically held together while the puck light is mounted to the underside of a horizontal surface, and where the magnetic attraction between the cover and base provides for the removal of the cover from the base by hand without a tool. Other embodiments include two differently shaped covers that are interchangeably attachable to the base. Other embodiments include at least one puck light with a cover and a base magnetically held together, and where the puck light projects a shape onto a support surface and perpendicular to the support surface when the puck light is attached to the surface, where the largest dimension of the projected shape is at most four and one-quarter (4¼) inches.

Abstract: According to one embodiment of the present invention, at least one puck light with a cover and a base magnetically held together is provided. Other embodiments include a cover and a base magnetically held together while the puck light is mounted to the underside of a horizontal surface, and where the magnetic attraction between the cover and base provides for the removal of the cover from the base by hand without a tool. Other embodiments include two differently shaped covers that are interchangeably attachable to the base. Other embodiments include at least one puck light with a cover and a base magnetically held together, and where the puck light projects a shape onto a support surface and perpendicular to the support surface when the puck light is attached to the surface, where the largest dimension of the projected shape is at most four and one-quarter (4¼) inches.

Abstract: An exemplary metal structure (10, 30) includes a base portion (14, 34), a flange (122, 322), and an edge portion (1241, 3241). The base portion defines a circular flanged hole (12, 32). The flange extends from a top surface of the base portion and the flange surrounds the circular flanged hole. The edge portion is configured for connecting an inside surface of the flange and the top surface of the base portion. The edge portion includes an edge surface, and a ratio of a radius of the edge surface (1242, 3242) of the edge portion with respect to a thickness of the base portion is less than 0.4. A method for making a circular flanged hole in a metal sheet (15) is also provided.