Abstract: A heat sink adapted for removing heat from a plurality of LEDs, includes a heat-conducting member, a plurality of conducting arms extending radially and outwardly from a periphery of the heat-conducting member and a plurality of outer fins perpendicularly extending from at least a lateral side of each of the conductive arms. The outer fins are spaced from and surround the heat-conducting member. Outer faces of outermost ones of the outer fins are used for thermal connection with the LEDs, whereby heat generated by the LEDs is absorbed by the heat sink. A plurality of spaces is defined between the outer fins, the heat-conducting member and the conducting arms and through bottom and top of the heat sink, whereby the heat absorbed by the heat sink can be easily dissipated to surrounding atmosphere along a vertical direction.

Abstract: An LED lamp includes a heat sink (10) and a plurality of LED modules (20) mounted on a periphery of the heat sink. The heat sink defines a through hole (122) from a lateral side to an opposite lateral side thereof to define a cylindrical inner face. A plurality of fins (16) are attached to the heat sink in a manner such that the fins have spaced external portions (160) extending outwardly from the periphery of the heat sink, and opposite internal portions (162) extending inwardly from the inner face of the heat sink. The internal portions connect with each other to form a joint (164) in the through hole, thus increasing a heat dissipating area of the heat sink and reinforcing the heat sink.

Abstract: An LED lamp includes a hollow first heat sink (10), a plurality of LED modules (40) respectively mounted on outer sidewalls (120) of the first heat sink, a second heat sink (20) being enclosed by the first heat sink, and a plurality of heat pipes (30) connecting the second heat sink to the first heat sink. The second heat sink includes an annular base (22) and a plurality of fins (24, 240) extending outwardly and radially from an outer sidewall of the base. The heat pipes couple the base of the second heat sink with the first heat sink, so that heat generated by the LED modules can be transferred from the first heat sink to the second heat sink via the heat pipes, thereby enhancing a heat dissipating efficiency of the LED lamp.

Abstract: An LED lamp includes a bulb, an LED module having a plurality of LEDs received in the bulb and a heat dissipation apparatus supporting and cooling the LED module. The heat dissipation device includes a heat sink, a hollow first heat conductor, and a heat pipe. The heat sink has a hollow base and a plurality of fins mounted on the base. The hollow first heat conductor is supported by the heat sink. The heat pipe is retained in the heat sink and the first heat conductor in such a manner that an outer periphery surface of the heat pipe is tightly enclosed by the base and the first heat conductor. The LEDs are distributed on the first heat conductor.

Abstract: An LED lamp includes a heat sink (10), a plurality of heat pipes (20) mounted on outer sidewalls (120) of the heat sink, and a plurality of LED modules (30) attached on the outer sidewalls of the heat sink with a portion of each LED module contacting a corresponding heat pipe directly. A plurality of fins (14) extend inwardly from an inner wall of the heat sink in a manner such that a through hole (16) is enclosed by the fins, thereby providing an airflow passage axially through the heat sink. By the use of the heat pipes, heat generated by the LED modules can be transferred to the heat sink evenly, whereby the heat can be dispersed to ambient air efficiently and rapidly.

Abstract: A hinge assembly (100) for a foldable electronic device (200) includes a shaft (40), a first follower (33) attached on one end of the shaft, a first cam (34) rotatably attached on the shaft, a resilient member (50) having one end abutting the first cam, a second cam (63) rotatably attached on the shaft and abutting the other end of the resilient member, a second follower (62) attached on the shaft, and a button (70) attached on the other end of the shaft and abutting the second follower. The first follower is rotating with the shaft and has a first follower surface (332). The first cam has a first cam surface (342) engaging with the first follower surface. The second cam has a second cam surface (632). The second follower has a second follower surface (624) engaging with the second cam surface.

Abstract: A hinge assembly (100) includes a main shaft (50), a fixing seat (80), a follower (44), a cam (42) and a first elastic element (30). The fixing seat is fixed with the main shaft. The follower is placed around the shaft, and the fixing seat selectively locks with the follower. The cam is placed around the shaft, and engages with the follower. The first elastic element provides an elastic force to make the cam and the follower resist each other and provides a torsional force to make the cam and the follower rotate together.

Abstract: An LED lamp includes a lamp base, a heat sink and a plurality of LED modules. The lamp base includes a lamp holder and an enclosure connecting with the lamp holder. The enclosure defines a plurality of vents therein. The heat sink is mounted on the lamp base and includes a cylinder at a centre thereof and a plurality of fins surrounding the cylinder. The cylinder has a through hole therein, which communicates with the enclosure. The through hole, the enclosure and the vents cooperatively form an air circulation passage communicating with ambient air. The LED modules are mounted on outmost ones of the fins of the heat sink, respectively.

Abstract: A lens system includes a positive refractive power first lens, a negative refractive power third lens, and a negative refractive power second lens in that order from the object side of the lens system. Wherein the lens system satisfies the following conditions: (1) D/TTL>1.2; (2) 4.5>R1R/R1F>2.2; and (3) f/R1F>3, wherein, D is the diameter of a maximal image circle of the lens system on a image plane of the lens system, TTL is a distance from a surface of the first lens facing the object side of the lens system to the image plane, R1R is the radius of curvature of a surface of the first lens facing the image side of the lens system, R1F is the radius of curvature of the surface of the first lens facing the object side of the lens system, and f is a focal length of the lens system.

Abstract: A fan speed controlling circuit includes a temperature sensing circuit for transforming a temperature signal to a voltage signal, a reference voltage providing circuit for outputting a reference voltage, and a voltage amplifying and comparing circuit. The voltage amplifying and comparing circuit includes a negative terminal receiving the voltage signal from the temperature sensing circuit and a positive terminal receiving the reference voltage from the reference voltage providing circuit. A reactive circuit is connected to the voltage amplifying and comparing circuit. The reactive circuit produces a control signal according to a voltage signal output by the voltage amplifying and comparing circuit. The reactive circuit includes a driving component controlled by the control signal for providing a driving current to a fan.

Abstract: A circuit for indicating status of a component of a computer system includes a first indicator (D1), a second indicator (D2), a power supply (V), a first transistor (Q1), and a second transistor (Q2). The first indicator includes a positive end and a negative end. The second indicator includes a positive end connected with the negative end of the first indicator, and a negative end connected with the positive end of the first indicator. The power supply is connected to the positive end of the first indicator via a first resistor, and connected to the positive end of the second indicator via a second resistor. The first transistor is connected between the negative end of the first indicator and a ground, and the second transistor is connected between the negative end of the second indicator and the ground.

Abstract: A method of using a Graphic User Interface (GUI) for interactive virtual inspection of modeled objects. The method includes acquiring a three-dimensional model of a modeled object and displaying a first view of the modeled object for a user to identify locations of interest on a surface of the modeled object visible within the first view. The user enters information to create a markup tag that annotates the location of interest, and the markup tag is automatically associated with the location of interest on the modeled object. A second view of the modeled object is displayed including the user identified location of interest and the markup tag.

Abstract: A method of coalescing information about inspected objects. The method includes acquiring an image set of an object to be inspected, the image set having a three-dimensional model of the object and a plurality of two-dimensional images of the object. A location of interest is identified on a surface of the modeled object and global coordinate points of the three-dimensional model are designated that characterize the location of interest of the modeled object. A markup tag annotating the location of interest is associate with the designated global coordinate points of the three-dimensional model, and the markup tag is conveyed when viewing any one of the plurality of two-dimensional images of the image set that have at least one image point that correlates to a corresponding designated global coordinate point of the three-dimensional model that characterize the location of interest.

Abstract: A sequencing control circuit includes a chip (30), a first control circuit (10), a second control circuit (20), and a lagging voltage terminal (700). The chip is connected to a first voltage terminal (100) and a second voltage terminal (300). The first control circuit is connected to the chip. The second control circuit is connected to a signal terminal (600) of an electronic component. The lagging voltage terminal is connected to the first control circuit for providing a signal posterior to a signal from the first voltage terminal. When the lagging voltage terminal and the signal terminal both input a high level signal, the output terminal of the first control circuit and the second control circuit both output a high level signal, thereby ensuring that the signal from the second voltage terminal is posterior to the signal from the first voltage terminal being input to the chip.

Abstract: A circuit for a power indicator, comprises an indicator (10), a power source (V1), a first MOSFET (20), a first controlling circuit (40), a second MOSFET (50), and a second controlling circuit (60). The indicator includes a positive terminal and a negative terminal. The power source is connected to the positive terminal of the indicator via a resistor (30). A drain of the first MOSFET is connected to the negative terminal of the indicator. The first controlling circuit transmits a controlling signal to a gate of the first MOSFET according to working statuses of a computer. A drain of the second MOSFET is connected to a source of the first MOSFET and a source of the second MOSFET is connected to ground. The second controlling circuit transmits a controlling signal to a gate of the second MOSFET.

Abstract: An insert molding article (20) includes a plastic element (24) and an inserting element (22). The inserting element includes a main portion (222) and an inserting portion (224) formed on and extending from the main portion. The inserting portion is enclosed, encapsulated, and secured in the plastic element. By being molded in such a manner, the plastic element frictionally engages at least two sides of the inserting portion, thereby resulting in a mechanically stable connection between the plastic element and the inserting portion.

Abstract: A motherboard includes a printed circuit board (10), and at least a power/ground trace (20) formed on the printed circuit board. The trace includes a pair of main lines (14, 24) and at least a protection line (12, 22) connected between the main lines. A width of the main lines is constant and wider than of the protection line. Wherein when a current flowing through the power/ground trace exceeds a maximum current the protection line can endure, the protection line is burnt and disconnected from the main lines, thereby generating less smoke and protecting components connected with the trace of the motherboard from damage due to excess current.

Abstract: A computer-implemented method for object localization includes providing a plurality of tags having fixed positions within an environment and known identifications, and providing a reader, for detecting the tags and reading the identifications, wherein the reader detects a plurality of tags within a scanning volume having a known shape. The method further includes determining positions for the plurality of tags within the scanning volume, and determining a position of the reader according to the positions for the plurality of tags within the scanning volume and the known shape of the scanning volume.