20th week of 2010 patent applcation highlights part 17 |
Patent application number | Title | Published |
20100123992 | MULTI-STORAGE SYSTEM AND APPARATUS FOR PREVENTING INAPPROPRIATE REMOVAL IN MULTI-STORAGE SYSTEM AND METHOD THEREOF - An apparatus for preventing inappropriate removal in a multi-storage system and a method thereof are provided. The apparatus includes a plurality of expending trays, a plurality of security devices, and a monitor unit. Storage devices are selectively installed in the expending trays. Each security device is disposed in a corresponding expending tray, and is used for locking the storage device installed therein. The monitor unit is used for detecting whether the installed storages have a redundant reliability. If the installed storages do not have the redundant reliability, the monitor unit activates the security units to lock a part of or all of the storage devices for preventing data accessing failure caused by inappropriate removal of the storage devices. | 2010-05-20 |
20100123993 | ATOMIC LAYER DEPOSITION PROCESS FOR MANUFACTURE OF BATTERY ELECTRODES, CAPACITORS, RESISTORS, AND CATALYZERS - The present disclosure relates generally to the field of sequential surface chemistry. More specifically, it relates to products and methods for manufacturing products using Atomic Layer Deposition (“ALD”) to depose one or more materials onto a surface. ALD is an emerging variant of Chemical Vapor Deposition (“CVD”) technology with capability for high-quality film deposition at low pressures and temperatures, which may produce defect-free films, on a macroscopic scale, at any given thickness. The present disclosure includes, in varying embodiments, methods of manufacturing microelectronic assemblies and components such as battery electrodes, capacitors, resistors, catalyzers and PCB assemblies by ALD, and the products manufactured by those methods. | 2010-05-20 |
20100123994 | CERAMIC ELECTRONIC COMPONENT - In a ceramic electronic component having a thin structure, the occurrence of cracks due to stress applied when the ceramic component is being mounted or in a mounted state are prevented. Each of first and second external terminal electrodes has a substantially rectangular region on a principal surface of a ceramic element body, the principal surface being directed to the mounting surface side. An end of the first external terminal electrode, which is arranged in contact with a gap region, and an end of the second external terminal electrode, which is positioned in contact with the gap region, each preferably have a concave-convex shape on the principal surface. | 2010-05-20 |
20100123995 | CERAMIC CAPACITOR AND ELECTRONIC COMPONENT INCLUDING THE SAME - In a ceramic capacitor, first and second electrode terminals each include a bonded-to-substrate portion, a first bonded-to-electrode portion bonded to a first edge of one of first and second external electrodes, a second bonded-to-electrode portion bonded to a second edge of the one of first and second external electrodes and disposed at a distance from the first bonded-to-electrode portion in the first directions, and a connecting portion connecting the first and second bonded-to-electrode portions and the bonded-to-substrate portion. W | 2010-05-20 |
20100123996 | STRUCTURAL BODY, CAPACITOR, AND METHOD OF FABRICATING THE CAPACITOR - A structural body which includes a first dielectric layer formed on a first substrate and including first conductive particles, each surface of the first conductive particles being entirely covered with a first dielectric film; and a second dielectric layer formed on the first dielectric layer wherein a volume ratio of a dielectric in the second dielectric layer is higher than a volume ratio of a dielectric in the first dielectric layer. | 2010-05-20 |
20100123997 | PORTABLE POWER DISTRIBUTION PANEL - A power distribution system is provided that includes an upper panel, a lower panel, a plurality of side panels, and a plurality of guide rails each having at least two insert slots formed therein that extend along a longitudinal axis of the guide rail. Each of the insert slots is configured to receive and fixedly hold an edge of the side panels. The upper panel and lower panel are each fixedly mounted to an opposite edge face of the guide rails thereby securing the side panels and guide rail between the upper panel and lower panel. | 2010-05-20 |
20100123998 | ELECTRONIC DEVICE - An electronic device includes a first body and a second body. The second body is slidably connected to the first body. The second body includes a rolling assembly. The rolling assembly includes a rolling member contacting to the first body. When the second body slides relative to the first body, the rolling member rolls on the first body. | 2010-05-20 |
20100123999 | COVER LATCH MECHANISM AND ELECTRONIC DEVICE USING THE SAME - A cover latch mechanism, used for fixing a first cover to a second cover, includes a latching groove defined in the second cover; a latching hook extending from a surface of the first cover corresponding to the latching groove, the latching hook engaged with the latching groove; and a connecting member fixed to the second cover. The connecting member includes a latching portion according to the latching hook. The latching portion defines a receiving depression to receive the latching hook, and an elastic resisting protrusion extending from the latching portion adjacent to the receiving depression to resist the latching hook in the latching groove. | 2010-05-20 |
20100124000 | ACCESSORY SECURING MECHANISM - An accessory securing mechanism includes a housing member, a securing member, and elastic members. The housing defines an assembly recess, the assembly recess forms a protrusion to engage a string, the securing member and the elastic member are received in the assembly recess, the elastic member resists the securing member, and the securing member resists the protrusion to secure the string. | 2010-05-20 |
20100124001 | PORTABLE ELECTRONIC DEVICE - A portable electronic device comprises a cover member, a body member, and a power generating assembly. The cover member is slidably mounted to the body member. The power generating assembly includes a power generating device and a rack assembly. The power generating device includes a toothed gear and a stator. The toothed gear is rotatably clockwise or counter clockwise mounted to the stator. The stator is fixed to the body member. The rack assembly includes a fastening portion and a rack portion opposite to the fastening portion. The fastening portion is fixed to the cover member. The rack portion meshes with the toothed gear, thus the power generating device driving the rack assembly and the cover member to slide relative to the body member. | 2010-05-20 |
20100124002 | Molded component, electronic apparatus, and method of producing a molded component - A molded component includes: a primary molded layer including a boxlike base portion that has a width direction in a first direction, a length direction in a second direction, and a height direction in a third direction and includes a first surface protruding in the third direction and a second surface that forms a spatial portion on the other side of the first surface, and a pedestal portion protruding outwardly in parallel to the first direction and the second direction from a circumferential edge of the base portion; a secondary molded layer formed of an optically-transparent resin material, that is laminated on the primary molded layer and has the same width and length as the primary molded layer; and an in-mold layer formed between the primary molded layer and the secondary molded layer. | 2010-05-20 |
20100124003 | ELECTRONIC DEVICE ASSEMBLY - An electronic device assembly comprises a protecting panel an electronic device, which comprises a shell with a front cover and a back cover and a display panel received in the shell. A plurality of sliding grooves is opened in the shell and extends from the front cover to the back cover. The protective cover is slidably set in the sliding grooves so as to cover the display panel in a first state or expose the display panel in a second state. | 2010-05-20 |
20100124004 | CRADLING DEVICE OF PORTABLE TYPE ELECTRONIC APPARATUS - A cradling device of a portable electronic apparatus, which includes a first housing, and a second housing which is slid from the first housing and then is cradled with a slant on the first housing. The second housing can rotate relative to the first housing. The cradling device includes a first member provided in the first housing; a slidable second member capable of sliding, which is provided in the second housing and faces the first member; and at least one cradling module provided in the first housing and the first member, which rotates the first member together with the second member on a rotation axis and cradles the second housing after sliding movement of the slidable second member. | 2010-05-20 |
20100124005 | DISPLAY APPARATUS FOR HOUSING AT LEAST ONE ELECTRONIC DEVICE IN A VEHICLE - An apparatus is provided with an enclosure defining an inner volume and including a first aperture, and a housing containing the enclosure and including a second aperture. The enclosure may be rotatable such that the first and second apertures may be in registration to permit insertion of the electronic device, and the first and second apertures may not be in registration to prevent insertion and/or removal of the electronic device. An actuating element may rotate the enclosure into a desired orientation within a vehicle. The apparatus may improve the viewing quality of information displayed on the electronic device. The electronic device may be secured within the vehicle without having to supervise the device when the vehicle is parked, turned off, etc. The apparatus may employ environmental controls to control/condition temperature, humidity, and/or vibration within a desired range to protect the electronic device from becoming temporarily or permanently non-functional. | 2010-05-20 |
20100124006 | ELECTRONIC DEVICE - An electronic device includes first and second screens, and a slide mechanism. The first screen includes a housing and a first display panel. The second screen is disposed behind the housing, and includes a second display panel. The slide mechanism includes two slide rails connected to the housing, and a slide frame connected slidably to the slide rails and coupled to the second display panel. One of the slide rails has first and second positioning recesses. The slide frame can bring the second display panel to move between an initial position where the second display panel is located on a rear face of the housing and a retaining unit is retained in the first positioning recess, and an open position where the second display panel is exposed from one side of the housing and the retaining unit is retained in the second positioning recess. | 2010-05-20 |
20100124007 | MEDIUM DRIVE UNIT AND ELECTRONIC EQUIPMENT - A medium drive unit includes a frame having an operating section, on a rear surface of which facing the main body side of the frame is provided a projection projecting toward the button, and which, upon receiving a depression operation from an outer surface side facing the outside, is biased toward the main body side and pushes the button with the leading end of the projection, a frame main body which surrounds the operating section so as to be separated from the operating section by an opening which extends surrounding the operating section, and passes through the front and rear surfaces of the frame, and an elastic support piece which extends through the opening along an edge of the operating section adjacent to the opening, of which one end is connected to the frame main body and the other end to the operating section. | 2010-05-20 |
20100124008 | ELECTRONIC DEVICE - An electronic device includes a display screen and a slide mechanism. The display screen includes first and second display panels, and a housing for receiving the second display panel. The slide mechanism includes two slide rails connected to the housing, and a slide frame connected slidably to the two slide rails and coupled to the second display panel. One of the slide rails has first and second positioning recesses. The slide frame has rollers connected to the slide rails. The slide frame can bring the second display panel to move between an initial position where the second display panel is on a rear face of the first display panel and a retaining unit is retained in the first positioning recess, and an open position where the second display panel is exposed from one side of the housing and the retaining unit is retained in the second positioning recess. | 2010-05-20 |
20100124009 | NOTEBOOK COMPUTER - A notebook computer includes a main body, two connecting assemblies, and a display. The main body comprises an upper surface and two first joint members disposed on two corners of the upper surface. Each of the connecting assemblies includes an arm, a connecting shaft, and a stop cover. One end of the arm is rotatably connected to a first joint member. The connecting shaft is perpendicularly is connected to the arm, and adjacent to a distal end of the arm from the first joint member. The stop cover is rotatably disposed on the distal end. The display defines a pair of axle holes at one sidewall. The display is disposed between the two arms of the two connecting assemblies, and each connecting shaft of each arm is rotatably inserted in the axle hole | 2010-05-20 |
20100124010 | WATERPROOF USB DRIVES AND METHOD OF MAKING - A data storage device and methods of manufacture are provided which tend to protect the device against moisture and shock. The device includes a circuit board, a coating, a housing, and preferably a sealant. The circuit board is in electrical communication with an electrical interface. The coating is disposed at least on the circuit board to generally encapsulate the circuit board. The housing is sized and configured to generally encompass the circuit board and the coating. The housing includes a housing opening being sized and configured with the electrical interface being at least partially exposed therethrough. The sealant is preferably disposed within the housing substantially intermediate the interior surface of the housing and the coating on the circuit board. Further, at least one of the coating and the sealant may be disposed substantially intermediate the electrical interface and the housing opening. | 2010-05-20 |
20100124011 | HEAT DISSIPATION MODULE - An electronic device includes a first electronic component, a second electronic component adjacent to the first electronic component, a heat sink arranged on the first electronic component to absorb heat therefrom, an axial fan mounted on the heat sink for generating an airflow to the heat sink, and a guiding member. The axial fan includes a frame and an impeller received in the frame. A cutout is defined in the frame facing the second electronic component. The guiding member is arranged between the axial fan and the second electronic component for guiding a part of the airflow escaping from the frame via the cutout to the second electronic component. | 2010-05-20 |
20100124012 | BLADE SERVER - A server system with a cooling ability that can cope with an increase in the amount of heat generated by a CPU of a server module detachably mounted on a blade server. The server module includes an enclosure accommodating therein a motherboard on which a CPU, memory, and the like are mounted, and part of a boil cooling device for cooling heat generated by the CPU. A fan accommodated in a fan module is adapted to blow air into the server module through an opening of the server module enclosure. The boil cooling device includes a first heat transmission member disposed in the server module enclosure, a second heat transmission member disposed outside the server module enclosure, and a plurality of pipes connecting them. The first heat transmission member is a box body with an internal space for hermetically sealing a refrigerant therein, one external planar face of which is thermally connected to the CPU and the other external planar face of which is provided with a heat sink. The second heat transmission member is disposed in the fan module unit, and a heat radiation member provided for the pipes forms an airflow passage together with the motherboard. | 2010-05-20 |
20100124013 | Laptop computer carrying case that transforms into a desk top - A laptop computer carrying case transforms into a desktop for use of a laptop or similar electronic device having a keyboard and a hingeably openable display. The laptop key board is held by bands in the lower portion of the case and the display is held in the top section of the case. Hinge structures are provided on the left and right sidewalls of the bottom section of the case. When the hinge structures are pivotally angularly separated, the bottom section containing the keyboard will be substantially horizontal enabling use of the laptop in a standing or mobile position. When the laptop is not being used, the case may be closed and the hinge structures closed with the laptop being carried by the strap over the shoulder. The hinge structure is provided with structure for limiting the amount by which the arms of the hinge may be pivotally angularly separated thereby providing stability to the laptop case in the desk top position. Detent means is provided to hold the arms of the hinge structure in aligned position when the case is being used to carry the laptop. | 2010-05-20 |
20100124014 | RETAINING DEVICE FOR PERIPHERAL CARD - A retaining device for securing a peripheral card includes a retaining plate for fastening the peripheral card, a bracket, and a mounting apparatus. The retaining plate includes an elongated base, a blocking tab, and an inserting terminal. The bracket includes a front surface substantially parallel to the elongated base of the retaining plate and a top surface substantially parallel to the blocking tab of the retaining plate. The bracket defines a number of positioning holes at the bottom end thereof for receiving the inserting terminal of the retaining plate. The mounting apparatus is mounted on the top surface of the bracket, and includes a pressing strip for securing the blocking tab of the retaining plate on the top surface of the bracket when the inserting terminal of the retaining plate is inserted into the positioning hole on the front surface of the bracket. | 2010-05-20 |
20100124015 | COMPUTER ENCLOSURE WITH POWER SUPPLY - A computer enclosure includes a chassis configured for securing a power supply therein. The chassis includes a bottom plate and a rear plate generally perpendicular to the bottom plate. A positioning structure is formed on the rear plate and configured for blocking the power supply from moving on the rear plate. A resiliently deformable latch piece is located on the bottom plate. A blocking portion is located on the latch piece configured for engaging with the power supply to block the power supply from moving in a direction perpendicular to the rear plate. The latch piece is resiliently deformable for disengaging the blocking portion from the power supply. | 2010-05-20 |
20100124016 | ELECTRONIC DEVICE - An electronic device including a base and a pluggable unit is provided. The base includes a first heat sink having a first heat-transfer contacting surface. The pluggable unit includes a second heat sink and a heat source. The second heat sink has a second heat-transfer contacting surface. When the pluggable unit is plugged in the base, the first heat-transfer contacting surface gets in contact with the second heat-transfer contacting surface. | 2010-05-20 |
20100124017 | ELECTRONIC DEVICE WITH AIRFLOW REVERSAL PREVENTION ASSEMBLY - An electronic device includes a housing, an active fan installed in the housing, and an airflow reversal prevention assembly. The assembly includes a fixed rack secured to the housing opposite to the active fan, a movable rack, a passive fan, a curtain shelter, a shaft, and a resilient member. The curtain shelter is attached between the fixed rack and the movable rack. The shaft is fixedly passed through the movable rack and the passive fan to be rotatably secured to the fixed rack. The passive fan is driven by air from the active fan to rotate, thereby driving the movable rack to rotate relative to the fixed rack by the shaft to allow the curtain shelter being folded up. The resilient member can urge the movable rack to rotate back to allow the curtain shelter being spread open. | 2010-05-20 |
20100124018 | ELECTRONIC UNIT AND IMAGE FORMING APPARATUS - An electronic unit includes: a circuit board that has a device mounting surface mounted with circuit devices and that is supported in a condition that the device mounting surface is arranged in a direction of gravity; an opposed member that is disposed in opposition to the circuit board so that a passage space through which a refrigerant for cooling the circuit devices passes is formed between the opposed member and the device mounting surface; an exhaust unit that is disposed in opposition to the circuit devices disposed on the circuit board and that exhausts the refrigerant having passed through the passage space; and a protruding member that is provided in an upper portion of the exhaust unit in the direction of gravity and that protrudes from the opposed member toward the circuit devices. | 2010-05-20 |
20100124019 | BLOWER FOR ELECTRONIC DEVICE AND ELECTRONIC DEVICE - A blower for an electronic device includes a fan frame having an opening through which air passes for cooling the electronic device; a blade arranged in the opening of the fan frame; a motor configured to rotationally drive the blade; an attachment portion provided outside the opening of the fan frame, the attachment portion causing the fan frame to be attached to the electronic device; and a holder fixed to the electronic device and holding the attachment portion in a direction perpendicular to a rotational axis of the blade. | 2010-05-20 |
20100124020 | Radiating fin assembly and thermal module formed therefrom - A radiating fin assembly includes a plurality of alternately stacked first radiating fins and second radiating fins, such that a V-shaped recession is formed between any two adjacent first and second radiating fins. The V-shaped recessions are defined on at least one of two longitudinal sides of the radiating fin assembly and include a plurality of split spaces, first widened spaces, and second widened spaces. The split spaces are formed at a bottom portion of the V-shaped recessions, and the first and the second widened spaces are formed at two opposite ends of the split spaces. The radiating fin assembly can be associated with at least one heat pipe and a base to form a thermal module. With the V-shaped recessions, the radiating fin assembly and the thermal module can have widened airflow inlets, shortened airflow paths, reduced airflow pressure drop and flowing resistance, and accordingly upgraded heat dissipating efficiency. | 2010-05-20 |
20100124021 | Heat radiating fin assembly and thermal module formed therefrom - A heat radiating fin assembly is formed from alternately stacked first and second heat radiating fins. The first and the second heat radiating fins each are provided on at least one lateral side with a projected point and a receded point, respectively, to thereby define an airflow guiding section on at least one longitudinal side of the heat radiating fin assembly. The airflow guiding section includes a first and a second airflow inlet, and a middle airflow inlet located between the first and the second airflow inlet. The heat radiating fin assembly can be associated with at least one heat pipe and a base to form a thermal module. The airflow guiding section enables widened airflow inlets, shortened airflow paths, reduced airflow pressure drop and flowing resistance, and upgraded cooling air flowing efficiency, so that the heat radiating fin assembly and the thermal module can provide excellent heat dissipating effect. | 2010-05-20 |
20100124022 | THERMOELECTRIC COOLING APPARATUS AND METHOD FOR COOLING AN INTEGRATED CIRCUIT - A computer system and method that cools an integrated circuit by use of a pipe and thermoelectric cooling module. Heat is moved from an integrated circuit and eventually dissipated into the air by fluid circulated in a pipe in thermal contact with the integrated circuit and the thermo-electric cooling module. In an embodiment, fluid is pumped by a magneto-hydrodynamic pump assembly. | 2010-05-20 |
20100124023 | METHOD FOR PLATING FILM ON A HEAT DISSIPATION MODULE - A method for plating film on a heat dissipation module includes the steps of: cleaning the heat dissipation module; injecting hydrogen and tetra-methylsilane gases and applying an electric current to generate a bias electric field within a working chamber, thereby plating an adherent film on the heat dissipation module; injecting hydrocarbon gas together with the hydrogen and tetra-methylisilane gases into the working chamber, thereby plating a mixed film on the adherent film; and injecting the hydrogen and tetra-methylisilane gases together with hydrocarbon gas into the working chamber, thereby plating a noncrystalline DLC film on the mixed film. | 2010-05-20 |
20100124024 | ELECTRONIC SUBSTRATE DEVICE - This invention is to provide an electronic substrate device which is capable of reliably and stably transferring heat generated by a heat generating component to a base member serving as a heat dissipater without intermediation of an electronic substrate. An electronic substrate device according to the present invention, in which a base member ( | 2010-05-20 |
20100124025 | HEAT RADIATION MATERIAL, ELECTRONIC DEVICE AND METHOD OF MANUFACTURING ELECTRONIC DEVICE - The electronic device includes a heat generator | 2010-05-20 |
20100124026 | HEAT DISSIPATING MODULE - A heat dissipating module includes a heat dissipating unit, a heat collecting plate with a position limiting hole, a heat conducting member connected between the heat dissipating element and the heat collecting plate, and a fixing structure. The fixing structure includes two end portions, an arcuate elastic portion, and a position limiting portion connected to the arcuate elastic portion and extending through the position limiting hole. Each end portion is slidably disposed on the heat collecting plate. The arcuate elastic portion is connected between the two end portions and adapted to be fastened to the heat collecting plate and a base, such that an electrical component is sandwiched in between the heat collecting plate and the base. | 2010-05-20 |
20100124027 | Switching Circuit Layout With Heatsink - A circuit board adapted for use in an switching converter for connecting a plurality of switches including a first switch, a second switch, a third switch and a fourth switch. The circuit board has a layout for connecting the switches. The layout is adapted for locating the switches substantially at or symmetrically with respect to the endpoints of a right-angle cross. The right-angle cross is formed from two line segments intersecting with a ninety degree angle. The circuit board may offsets the switches perpendicularly to the line segments at the endpoints of the line segments either in a clockwise or a counterclockwise direction. | 2010-05-20 |
20100124028 | IMAGE FORMING APPARATUS - An image forming apparatus includes a main body, an openable/closable cover panel, a unitary assembly, a holder, and a fastener. The openable/closable cover panel covers an opening in the main body. The unitary assembly is detachably attached to an inner side of the cover panel. The fastener fastens the assembly in place on the cover panel. The holder includes a positioning surface and first and second guide surfaces to hold the assembly on the cover panel. The positioning surface receives a positioning pin projecting from the assembly. The first and second guide surfaces are disposed on opposite sides of the positioning surface, and each guide surface slidably guides the positioning pin onto the positioning surface. The second guide surface is elastically displaceable to cause the positioning pin to slide off onto the positioning surface as the positioning pin presses against the second guide surface. | 2010-05-20 |
20100124029 | INPUT/OUTPUT MODULE FOR AN AUTOMATION DEVICE - An input/output module for an automation device includes a housing having a lower part separable from an upper part; a first printed circuit board disposed in the housing; and an electronic subassembly for an input/output function of the input/output module. The electronic subassembly includes a plurality of connection elements disposed on the first printed circuit board and configured to connect signal lines and process voltage lines, the plurality of connecting elements being accessible from a front side of the upper part; and a plurality of optical waveguides disposed on the front side, wherein each one of the plurality of optical waveguides is assigned to a respective one of the plurality of connection elements and each configured to signal a state of at least one input/output channel of the input/output module. | 2010-05-20 |
20100124030 | FLOATING FRONT ENCLOSURE FOR PLUGGABLE MODULE - In one example embodiment, a host device includes a front panel, a bezel assembly, a floating PCB, and two host guides. The front panel defines an opening configured to receive a pluggable module in a plugging direction. The bezel assembly defines an opening configured to align with the front panel opening and to receive the pluggable module, the bezel assembly rigidly secured to the front panel. The host guides are rigidly secured to the floating PCB and are configured to guide the pluggable module when it is plugged into the host device. The host guides and bezel assembly operate together to allow the floating PCB to float with respect to the front panel in the plugging direction while remaining substantially aligned with the front panel in directions normal to the plugging direction. | 2010-05-20 |
20100124031 | ELECTRONIC DEVICE - An electronic device includes a main body, a battery and a battery latching assembly mounted on the main body. The main body defines a receiving space to receive the battery. A first magnetic member is positioned in a portion of the battery. The battery latching assembly includes a second magnetic member and a resilient member. The second magnetic member is opposite to the first magnetic member. The resilient member resists the second magnetic member. | 2010-05-20 |
20100124032 | Pressure-Compensated Enclosure - A pressure compensating enclosure comprises a sealed enclosure having substantially rigid outer walls and an interior cavity adapted to receive components to be protected by the enclosure. The sealed enclosure has an aperture in one of its outer walls which is sealingly coupled to a hollow, elastic member disposed in the enclosure so as to be in fluid communication with the exterior of the enclosure. An incompressible fluid substantially fills the sealed enclosure, wherein in response to a change in temperature of the enclosure, the volume occupied by the incompressible fluid changes and the hollow elastic member deforms responsive to the change in volume of the incompressible fluid sufficient to pressure balance the enclosure. | 2010-05-20 |
20100124033 | TERMINAL STRUCTURE OF AN ELECTRONIC COMPONENT - The invention relates to a terminal structure of an electronic component, such as a tuner, in which a printed circuit board | 2010-05-20 |
20100124034 | PRINTED BOARD AND PRINTED-BOARD-RECEIVING STRUCTURE - A printed board to be loaded into a printed-board-receiving structure having a backboard and a guide rail, the backboard having a connector plug-in connectable to a connector on the printed board, the guide rail guiding the printed board toward the backboard and having a groove including a sloping portion, the printed board includes a sloping portion forming a projection at an end of the printed board, the projection being fittable and slidable along the groove in the guide rail. | 2010-05-20 |
20100124035 | Integrating Capacitors Into Vias Of Printed Circuit Boards - A printed circuit board (‘PCB’) with a capacitor integrated within a via of the PCB, the PCB including layers of laminate; a via that includes a via hole traversing layers of the PCB, the via hole characterized by a generally tubular inner surface; a capacitor integrated within the via, the capacitor including two capacitor plates, an inner plate and an outer plate, the two plates composed of electrically conductive material disposed upon the inner surface of the via hole, both plates traversing layers of the laminate, the inner plate traversing more layers of the laminate than are traversed by the outer plate; and a layer of dielectric material disposed between the two plates. | 2010-05-20 |
20100124036 | SOLDERLESS ELECTRONIC COMPONENT OR CAPACITOR MOUNT ASSEMBLY - A solderless electronic component or capacitor mount assembly including a housing having a base portion and a cover portion. The cover portion and base portion being couplable to each other so as to secure a capacitor to the housing. The assembly further including at least one connector configured to couple the assembly to a printed circuit board, and at least one electrical contact configured to contact a respective at least one lead of the capacitor and provide an electrical connection for the capacitor. | 2010-05-20 |
20100124037 | THERMOSETTING COMPOSITION AND PRINTED CIRCUIT BOARD USING THE SAME - A thermosetting composition including an organic solvent, a liquid crystalline thermoset oligomer, and either a crosslinking agent or an epoxy resin or both is disclosed. A printed circuit board which includes the thermosetting composition is also disclosed. The printed circuit board is produced by impregnating the thermosetting composition into a reinforcing material. | 2010-05-20 |
20100124038 | MULTI-PIECE BOARD AND FABRICATION METHOD THEREFOR - A method of fabricating a multi-piece board includes: adhering a first frame element connected to multiple piece portions to a second frame element, the first frame element forming a board main portion of a multi-piece board, the first frame element and the second frame element forming a frame portion of the multi-piece portion, thereby yielding the multi-piece board; mounting multiple electronic components on the piece portions, respectively; separating the piece portions from the frame portion; separating, from the first frame element, the second frame element adhered thereto; and adhering the second frame element to a first frame element of another board main portion. | 2010-05-20 |
20100124039 | Outdoor AV display Arrangement for outdoor shading device - The outdoor shading device includes a supporting frame, an awning frame, and an outdoor AV (Audio-Video) display arrangement. The AV display arrangement is coupled with the supporting frame of the outdoor shading device via a supporting arm and is connected with the portable electronic device by a connected unit such that the user is able to enjoy greater visual effects through watching relatively large display in comparison with the portable electric device but without sacrificing a portable controlling functionality of the portable electric device. | 2010-05-20 |
20100124040 | PORTABLE ELECTRONIC DEVICE CASE WITH BATTERY - A case for an electronic device protects and extends the battery life of the electronic device. The case has a lower case portion and an upper case portion, which assemble together to protect the top, side, and bottom edges of the electronic device. The lower case portion includes a battery to extend the battery life of the electronic device. | 2010-05-20 |
20100124041 | SYSTEMS AND METHODS FOR CONTROLLING FLASH COLOR TEMPERATURE - An adjustable camera flash unit is provided, including a camera flash unit, and an adjustable light filter affixed in a light path of said camera flash unit. The adjustable light filter may be electronically adjustable when coupled to an appropriately configured electronic controller, and may be adjustable along a continuous range of color temperatures. By adjusting the adjustable light filter to a desired setting prior to discharging said camera flash unit, a flash of a desired color temperature is produced. | 2010-05-20 |
20100124042 | LAMP HOLDER - A lamp holder applied in a backlight module includes a base and at least one clamp element. The base has a high reflectivity, while the clamp element is of a transparent and fluorescent characteristic. In addition, the clamp element has a clamp part to hold the lamp. When light radiates from the lamp, the light of the lamp can penetrate through the clamp element. | 2010-05-20 |
20100124043 | Diffusion Plate and Display Apparatus Having the Same - Disclosed are a diffusion plate and a display apparatus having the same. The diffusion plate includes a base and a plurality of convex portions. The base includes a front surface and a rear surface. Each convex portion has a crescent of an ellipse formed on a front surface of the base while extending in one direction. The display apparatus includes a display panel, a light source, and the diffusion plate. | 2010-05-20 |
20100124044 | REFLECTOR, DISPLAY DEVICE, AND METHOD OF MANUFACTURING THE SAME - A reflector capable of suppressing contrast reduction caused by retro-reflection of outside light, a display device having the same, and a method of manufacturing the same are provided. The reflector includes: a base having first and second opposed surfaces, the second surface being provided with a reflective element; and a light absorbing film formed in a region other than the reflective element in the second surface. | 2010-05-20 |
20100124045 | REFLECTOR, DISPLAY DEVICE, AND METHOD OF MANUFACTURING THE SAME - A reflector capable of suppressing contrast reduction caused by retro-reflection, a display device having the same, and a method of manufacturing the same are provided. The reflector includes: a base having first and second surfaces which are opposed to each other, the second surface being provided with a reflective element; and a plurality of burying layers formed around the reflective element and including at least one light absorption burying layer. | 2010-05-20 |
20100124046 | LIGHTING DEVICE FOR DISPLAY DEVICE, DISPLAY DEVICE, AND TELEVISION RECEIVER APPARATUS - The present invention includes: a chassis | 2010-05-20 |
20100124047 | BACKLIGHT UNIT - A backlight unit capable of implementing slimness and preventing stain defects is disclosed. The backlight unit includes a plurality of LEDs arranged in a fixed interval, a reflection sheet disposed under the LEDs and configured to reflect light, a diffusion plate disposed on the LEDs and configured to diffuse light, and a plurality of inversed pyramid patterns formed along a diagonal direction in the center of one side of the diffusion plate on the upper surface of the diffusion plate. The plural LEDs include a plurality of odd-numbered line LEDs and a plurality of even-numbered line LEDs arranged in zigzags. | 2010-05-20 |
20100124048 | ILLUMINABLE DEVICE FOR ACCESSORIZING A VESSEL - An illuminable accessory device for use with a vessel. A pliable, generally cylindrical sidewall can slidingly receive and hold a bottom portion of a vessel. The received vessel bottom portion is slidingly removable from the sidewall. An electrically powered light source surrounded by the sidewall lies beneath the received vessel bottom portion. The light source is enclosed in a light disk through at least a portion of which light from the light source is transmissible. The light disk supports the received vessel. This accessory device can produce various lighting effects, e.g., in a liquid held in a bottle, cup or other container. | 2010-05-20 |
20100124049 | LIGHTING SYSTEM - One embodiment of a lighting system for a rider of a vehicle may include a garment configured to be worn on a torso of the rider. The garment may have a front portion and a rear portion. The rear portion may include a first side section, a second side section, and a center section. Further, the lighting system may include one or more controllers carried by the vehicle, and configured to generate a running signal, a brake signal, a left turn signal, and a right signal. The lighting system may also include a first light emitter, a second light emitter and a third light emitter that are associated with the controllers. | 2010-05-20 |
20100124050 | INDUCTION RECHARGEABLE ELECTRONIC CANDLE SYSTEM - A large plurality of artificial, battery-operated, electronic candles are arranged to be simultaneously recharged upon placement on a series of interconnected charging trays that include a transformer primary winding at defined locations thereon. The primary windings are driven by an AC signal whose duty cycle is controlled by a pulse width modulator IC to induce a voltage across secondary windings contained within the candle housing. This induced signal is rectified to produce the battery charging current and the delivery of the charging current to the rechargeable batteries is controlled by a microprocessor IC. | 2010-05-20 |
20100124051 | Weather resistant florescent fixture - The main housing is formed as an elongated plastic hollow molded top cover having a ballast recess and a pair of line openings. The ballast is placed in the ballast recess. The seal ring provides a watertight seal against line opening when locking ring is secured to the ballast. The main housing is mounted to a building surface. A reflector fits between the main housing and a pair of bulbs. The bulbs are retained in end terminals. A main seal bits between main housing and main cover. The clip junction on the main cover receives a housing clip. The housing clip biases the main cover against the main housing with the main seal in between forming a watertight seal. | 2010-05-20 |
20100124052 | LED LAMP BAR - The present invention discloses an LED lamp bar, which mounts a plurality of LEDs and comprises an extruded aluminum reflection back plate, at least one LED carrier plate, at least one driver, a transparent lamp cover, and two side plates. The LED carrier plate and driver are arranged on the extruded aluminum reflection back plate. The LED carrier plate mounts the LEDs. The driver is coupled to the LED carrier plate and drives the LEDs. The transparent lamp cover and two side plates are installed on the extruded aluminum reflection back plate to encase the LED carrier plate and driver. The extruded aluminum reflection back plate features high reflectivity and high thermal conductivity can promote light efficiency and dissipate heat fast, wherefore the present invention is exempted from burnout caused by high temperature. | 2010-05-20 |
20100124053 | Structure of lighting bar assembly - A lighting bar assembly includes at least two lighting bar and at least one connector. Each lighting bar of the at least two lighting bars includes an enclosure, a circuit board, at least one power supply device, four male terminals, and two end caps. The enclosure is coupled to the circuit board. The circuit board includes a plurality of light-emitting diodes. The enclosure forms an interior space receiving the at least one power supply device. Each male terminal, the at least one power supply device and the circuit board are in electrical connection with one another. Opposite ends of the enclosure are respectively closed by the two end caps with the two end caps being in tight engagement with the enclosure. Each end cap forms a connection window in which the at least one connector is fit into the connection windows of the end caps. As such, advantages of easy manufacturing, enhanced lighting, small size, and easy replacement can be obtained. | 2010-05-20 |
20100124054 | Light-emitting diode lamp - A light-emitting diode lamp which can be directly inserted into a lamp holder supplying AC power can utilize a power supply unit in a connector to supply the rectified and transformed power to an emission board to enable the light-emitting diodes on the emission board to emit light. Since the power consumption can be greatly reduced by using the light-emitting diodes, and the power supply unit or the emission board is replaceable, respectively, the requirements of environment protection and energy-saving can be satisfied. | 2010-05-20 |
20100124055 | Side-emitting optical elements and methods thereof - A condensing element includes an outer section having a circumferential curved sidewall extending between a light input surface at one end and a light output surface at the other end that provides substantially total internal reflection of light emitted from the input surface and incident upon the sidewall of the outer section. A circumferential curved inner section is recessed within the outer section such that the light emitted from the input surface and incident upon the curved inner section is not incident upon the output surface. A circumferential substantially non-curved sidewall extends from the inner section to a circumferential substantially non-curved upper section positioned at approximately a 45° angle relative to the optical axis of the light emitted from the input surface. A light-absorbing plug is in communication with the upper section, wherein the light emitted from the input surface is condensed and directed in a sideways direction relative to the optical axis of the entering light. | 2010-05-20 |
20100124056 | LIGHT GUIDING ASSEMBLY - A light guiding assembly is provided. The light guiding assembly includes a first light guiding plate, a second light guiding plate, and a shielding plate. The second light guiding plate is located adjacent to the first light guiding plate. The shielding plate is positioned between the first light guiding plate and the second light guiding plate, to prevent light guided by the first light guiding plate and light guided by the second light guiding plate from mixing. | 2010-05-20 |
20100124057 | LED light source assembly with heat sink and heat conductive glass cover - An LED assembly comprising an LED light source positioned between a heat sink and a heat conductive glass element, and at least one hold-down element, such that the hold-down element provides a compressive force to hold the heat conductive glass element against the LED light source, thereby pressing the LED light source against the heat sink. In one example, a ⅛ inch glass element with a surface area of five times the LED diffuser surface area is held over the LED light source by one or more sections of spring wire inserted through holes in the heat sink. | 2010-05-20 |
20100124058 | Thermal Management of LED Lighting Systems - Embodiments of the invention provide thermal management systems for LED light fixtures. In one embodiment, an LED track light fixture includes a lighting assembly, a fixture housing mounted to the lighting assembly and having a plurality of apertures, and a mounting structure that affixes the fixture housing to a track. In this embodiment, the lighting assembly includes a heat sink, a reflector, at least one light emitting diode, and a synthetic jet actuator. In a second exemplary embodiment, a sealed, enclosed LED light fixture includes a lighting assembly, along with an enclosure and a fixture housing surrounding the lighting assembly. In this embodiment, the lighting assembly includes at least one light emitting diode, a thermoelectric cooler, and at least one heat sink. In some embodiments, a forced air cooling device may be located between the printed circuit board and the thermoelectric cooler. | 2010-05-20 |
20100124059 | Outdoor Low Power LED Lamp - An LED based lighting fixture for street lighting includes a lighting head unit including a heat sink structure for dissipating heat. Below the heat sink structure is one or more LED circuit boards each including a plurality of low power LEDs oriented in a plurality of different directions. Light emitted from the lighting head unit is cast in a desired pattern of disbursement. A lens unit is attached to the bottom side of the lighting head unit covering the LED circuit board. The lighting fixture includes a mounting unit for mounting the lighting head unit to a fixed structure such that an angle of the lighting head unit may be adjusted to direct the pattern of disbursement of light cast from the lighting head unit to a desired direction. | 2010-05-20 |
20100124060 | LIGHT MODULE - A light module is provided and includes a main body and at least an LED. The main body comprises an outer surface and at least a bending portion protruding therefrom, wherein the LED is disposed on the bending portion. Specifically, the bending portion and the outer surface form an included angle θ therebetween, wherein | 2010-05-20 |
20100124061 | Heat-dissipation structure of matrix LED light - A heat-dissipation structure of a matrix LED light includes a heat-dissipation unit coupled to a matrix LED light chip, and a seat housing, so as to provide rapid heat dissipation and thereby maintain a low temperature. The seat housing has a plurality of vent holes for air to pass through so as to circulate between the seat housing, the matrix LED light chip, and the heat-dissipation unit. Thus, the heat-dissipation unit can absorb and rapidly dissipate heat generated by the matrix LED light chip, allowing the matrix LED light chip to remain at a low temperature, preventing the matrix LED light from premature aging, and thereby increasing its service life. | 2010-05-20 |
20100124062 | Video Conference Lighting Fixture - A lighting fixture for use in video conferencing and general illumination includes a housing forming an interior cavity. The housing has an opening in a bottom portion thereof The lighting fixture also includes at least one light holder for holding at least one light source positioned within the interior cavity of the housing, at least one diffuser plate positioned over the opening of the housing, and a plurality of louvers adjacent to the diffuser plate over the opening of the housing. Each of the plurality of louvers is positioned at an angle such that light produced by the light source is directed to a specific area. | 2010-05-20 |
20100124063 | MINITURIZED LINEAR LIGHT SOURCE SUB-MODULE FOR VARIOUS FORMAT MAIN MODULES - A miniaturized linear light source sub-module comprising a symmetrical lens array, a light guide bar with dual reflecting surfaces, at least one light emitting diode light source, and a sub-module housing is disclosed. The symmetrical lens array comprises two identical covers, two identical lens sections, and a middle holder. Each lens section comprises a plurality of lenses disposed on the top and bottom of the lens section. The dual reflecting surface light guide comprises a light emitting surface, a v-shaped light reflecting surface, an asymmetrical saw-toothed light reflecting surface, an apex cut-off surface, and a bottom cut-off surface. At least one light emitting diode light source is connected to an end of the dual reflecting surface light guide. The sub-module housing holds the lens array assembly, the dual reflecting surface light guide, and the at least one light emitting diode light source to form the miniaturized linear light source sub-module. | 2010-05-20 |
20100124064 | LIGHTING DEVICE INCLUDING TRANSLUCENT COVER FOR DIFFUSING LIGHT FROM LIGHT SOURCE - A lighting device includes a light source configured to radiate light toward a floor from a ceiling, a reflecting mirror provided around the light source, and shading angle setting element configured to define a range in which the light from the light source is radiated by setting a shading angle with respect to the light radiated from the light source. The light source, the reflecting mirror and the shading angle setting element are covered by a translucent cover. The translucent cover has an in-line transmittance. An in-line transmittance of the translucent cover of a position corresponding to an optical axis of the light source and an in-line transmittance of the translucent cover of a position deviated from the optical axis are different from each other. | 2010-05-20 |
20100124065 | Led lamp with depending arms of led integral with glass housing - An LED lamp includes a glass housing, an LED having two depending arms extending therefrom, a leg releasably secured to the depending arms, and an electrical socket releasably secured to both the leg and a base portion of the glass housing. The housing and the depending arms are formed integrally in a manufacturing process so that in case the LED lamp is malfunctioned, a replacement of both the LED and the glass housing can be made easy by removing the base portion of the glass housing from the socket without worrying of breaking the glass housing. | 2010-05-20 |
20100124066 | COLD CATHODE FLUORESCENT LAMP LIGHTING DEVICE - A cold cathode fluorescent lamp lighting device includes a light guiding cover having a recess, a cold cathode fluorescent lamp disposed in the recess, and a covering member fitted on the recess of the light guiding cover. The cold cathode fluorescent lamp is provided with at least a cushion. The surface of the covering member is coated with viscose to secure the covering member to the light guiding cover. The cushion and viscose provide dual shock absorption, preventing the cold cathode fluorescent lamp from cracking because of collision. | 2010-05-20 |
20100124067 | CONTROL MODULE FOR A LIGHTING SYSTEM, LIGHTING SYSTEM AND LIGHT MODULE FOR A LIGHTING SYSTEM - The present invention relates to a control module ( | 2010-05-20 |
20100124068 | Softbox - A softbox for a spotlight includes a device for mounting the softbox to the spotlight such that in operation, the spotlight shines through the softbox. For limiting the emerging angle of the light shining through the softbox, a light control grid is mounted at the light emitting aperture of the softbox. For mounting the light control grid to the light emitting aperture of the softbox, a frame surrounds the light emitting aperture of the softbox. The control grid for being mounted to the softbox is manufactured by fixing adjacent strips of a light absorbing material to one another. | 2010-05-20 |
20100124069 | VEHICLE HEADLAMP - A vehicle headlamp is provided with: a projection lens disposed on an optical axis extending in a front and rear direction of a vehicle; a light source disposed rearwardly of a rear-side focal point of the projection lens; a reflector configured to reflect direct light from the light source forward to converge reflected light toward the optical axis; a movable shade disposed between the projection lens and the light source and configured to blocking a part of the reflected light from the reflector and a part of the direct light from the light source to form a cutoff line in a light distribution pattern; and a bracket formed from a metal plate member and disposed between the projection lens and the light source, wherein the movable shade is rotatably supported on the bracket. An opening portion is formed in the bracket and configured to pass a part of the reflected light from the reflector along the optical axis. A shade portion is provided on the opening portion and configured to cover a gap between the movable shade and an opening edge of the opening portion. | 2010-05-20 |
20100124070 | VEHICLE HEADLAMP - A vehicle headlamp includes a projection lens, a halogen bulb disposed behind a rear focal point of the projection lens and below an optical axis, a main reflector which forwardly reflects and converges a first part of direct light from the halogen bulb toward the optical axis, the halogen bulb being inserted in the main reflector in a sidewise direction, a movable shade disposed between the projection lens and the halogen bulb to shield a portion of the first part of the light reflected by the main reflector and a second part of the direct light from the halogen bulb to form a cutoff line, an actuator which moves the movable shade, and an auxiliary reflector disposed below the optical axis to forwardly and diffusely reflect a third part of the direct light from the halogen bulb such that the third part of the light passes below the projection lens. | 2010-05-20 |
20100124071 | COOLING DEVICE FOR LIGHT EMITTING DEVICE PACKAGE OF VIBRATION GENERATING MACHINE AND HEAD LAMP FOR VIBRATION GENERATING MACHINE - A cooling device for a light emitting device package of a vibration generating machine, includes: a heat releasing plate provided at one side of the light emitting device package; a vibrator disposed to face the heat releasing plate and vibrating to generate an air flow according to vibration of the vibration generating machine; and a vibration transfer unit configured to connect the vibrator and the heat releasing plate to allow the air flow generated from the vibrator to be transferred to the heat releasing plate so as to be cooled. | 2010-05-20 |
20100124072 | AUTOMOBILE AND HEAD LIGHT SYSTEM THEREOF - A head light system of an automobile includes a normal head light and an auxiliary head light. The normal head light is fixedly mounted at a front end of the automobile. The auxiliary head light is provided at the front end of the automobile and includes a lamp body and a supporting member. The lamp body has a center of gravity. One end of the supporting member is fixedly mounted to the automobile. The lamp body is pivotally connected to another end of the supporting member. A pivotal connection point between the lamp body and the supporting member is located just above the center of gravity of the lamp body. | 2010-05-20 |
20100124073 | REAR COMBINATION LAMP - A rear combination lamp y for a vehicle includes a rear combination lamp housing with an inboard cavity, an intermediate cavity, and an outboard cavity. First, second, and third light-emitting diodes extend into the inboard cavity, intermediate cavity, and outboard cavity, respectively. A turn signal member is operably connected to the first, second, and third light-emitting diodes and engagement of the turn signal activates the first, second, and third light-emitting diodes sequentially. | 2010-05-20 |
20100124074 | OPTIMIZED DISTRIBUTION OF LIGHT EXTRACTION FROM AN EDGE LIT LIGHT SOURCE - An edge-lit panel features extractor patterns that produce uniform illumination. The effective density of extractor pattern pixels is adjusted to achieve uniform illumination. A method of adjusting the effective pixel density of extractor pattern pixels to achieve uniform illumination entails adjusting areas of darkness of a grayscale image, then producing a binary image by dithering the grayscale image, and applying an extractor pattern corresponding to the binary image to a surface of the panel. The extractor pixels correspond to pixels of the binary image derived from a dithered grayscale image, with the darkness of the grayscale image increasing with distance from the light source. Effective pixel density is increased to compensate for attenuated output in dim areas. By adjusting gray shading darkness of a grayscale image, pixel density can be adjusted to achieve uniform light emission. The extractor pixels may be applied using a radiation curable ink, which can be used in high speed inkjet printers that can achieve production speeds. The resulting print is waterproof, embossed and vibrant. | 2010-05-20 |
20100124075 | Edge Type Back Light Module and Display Device Using the Same - An edge type back light module and a display device using the same are provided. The edge type back light module includes a light guide plate (LGP), a light source and a frame. The LGP has a light-receiving surface, a light-emitting surface and a light-reflecting surface opposite to the light-emitting surface. The light-emitting surface faces the display panel. The light source is adjacent to the light-receiving surface for emitting a light. The frame has a frame surface and a light guide portion. After a portion of the light contacts the light guide portion, the light guide portion disposed on the frame surface guides the portion of the light to be emitted from the light-emitting surface. A predetermined angle is contained between the outgoing direction of the portion of the light emitted from the light-emitting surface and the normal direction of the light-emitting surface. | 2010-05-20 |
20100124076 | Illumination device and display device - Provided is a display device including a microprism array backlight using a point light source, in which at least two pyramidal microprisms are arranged on an opposing surface opposite to an exit surface of a light guide plate, in areas overlapping openings of display element. An incident surface of the light guide plate includes an entrance portion, which is a semicircular depressed portion. An arrangement angle of the microprisms is optimized so that light from the entrance portion may be output with high efficiency. With this structure, the display device may use two or more point light sources, to thereby prevent moire in a liquid crystal panel. | 2010-05-20 |
20100124077 | SURFACE LIGHT SOURCE DEVICE, LIGHTING DEVICE AND IMAGE DISPLAY DEVICE - A surface light source device improves the quality of illumination without producing dark lines between neighboring light guide plates even when a plurality of light guide plates are used in combination. This surface light source device is formed by combining a plurality of LED/light guide plate units, and light guide plate ( | 2010-05-20 |
20100124078 | ELECTRONIC DEVICE AND POWER SUPPLY THEREOF - A power supply includes a first convertor, a second convertor, and a transformer. The first convertor generates an alternating current (AC) voltage. The transformer includes a primary winding and a secondary winding. The primary winding is connected to the first convertor and receives the AC voltage. The secondary winding includes a first tap, a second tap, and a third tap disposed between the first tap and the second tap. The second convertor includes a first rectifier circuit connected to the first tap and the second tap, and a second rectifier circuit connected to the third tap. The first rectifier circuit generates a first direct current (DC) voltage. The second rectifier circuit generates a second DC voltage. | 2010-05-20 |
20100124079 | OFFLINE SYNCHRONOUS RECTIFIER WITH CAUSAL CIRCUIT FOR RESONANT SWITCHING POWER CONVERTER - A synchronous rectifier of a resonant switching power converter is provided to improve efficiency. The synchronous rectifier includes a power transistor and a diode connected to a transformer and an output of the resonant switching power converter for ratifications. A controller generates a drive signal to control the power transistor in response to an on signal and an off signal. A causal circuit is developed to generate the off signal in accordance with the on signal. The on signal is enabled once the diode is forward biased. The on signal is coupled to enable the drive signal for switching on the power transistor. The off signal is coupled to disable the drive signal for switching off the power transistor. The off signal is enabled before the on signal is disabled. | 2010-05-20 |
20100124080 | CURRENT CONTROL METHOD AND APPARATUS - Current control method and apparatus are disclosed. A current limiter is coupled to a switch connected in series with an energy transfer element of a power supply. The current limiter detects a current flowing through the switch and, when the current exceeds a current limit signal, turns off the switch. A limit signal generator provides the current limit signal, detects the maximum current value of the current, and updates the current limit signal according to the maximum current value and an ideal current limit value. | 2010-05-20 |
20100124081 | SWITCHING POWER SUPPLY - According to the present invention, when a secondary current on period T | 2010-05-20 |
20100124082 | METHOD FOR SELECTING THE OPTIMUM NUMBER OF PHASES FOR CONVERTER AND SYSTEM USING THE SAME - A method for selecting the optimum number of phases for a converter is provided, which selects a duty range using an input voltage and an output voltage, obtains ripple values for multiple phases in the duty range, and selects the optimum number of phases using the corresponding ripple values. The method for selecting the optimum number of phases for a converter includes a duty range selection step of selecting a duty range using an input voltage and an output voltage, a ripple value calculation step of obtaining ripple values for multiple phases within the selected duty range, a range ripple selection step of selecting one or more phases in the duty range, and a rated ripple selection step of selecting the phases having the minimum ripple value in a rated duty among the phases selected in the range ripple selection step. | 2010-05-20 |
20100124083 | 3-PHASE POWER FACTOR CORRECTED AC TO DC FILTERED SWITCHING POWER SUPPLY - This invention relates to a power supply apparatus and method for converting three-phase delta AC power to DC power using EMI filters and PFC circuits to maintain balanced AC current loading and reduce radiated and conducted emissions. Overcurrent and temperature protection are also provided in conjunction with a novel optocoupler latch circuit for improving maintenance of the power supply. | 2010-05-20 |
20100124084 | POWER CONVERTER WITH CONTROL CIRCUIT AND RELATED CONTROL METHOD - A control circuit for use in a power converter has a multi-function terminal, a current comparator circuit, and an under-voltage detection circuit. The current comparator circuit compares current flowing through a power switch of the power converter with a reference value through the multi-function terminal when the power switch is on, and turns the power switch off when the current reaches the reference value. The under-voltage detection circuit determines whether an input voltage of the power converter is less than a predetermined value through the multi-function terminal when the power switch is turned off. | 2010-05-20 |
20100124085 | H-BRIDGE CIRCUIT HAVING ENERGY COMPENSATION CIRCUIT AND CONTROLLING METHOD THEREOF - The configurations of an H-bridge circuit and a controlling method thereof are provided in the present invention. The proposed circuit includes an H-bridge having a first and a second bridge arms, each of which has a middle point, and a bidirectional switch connected to the two middle points, a bootstrap circuit providing a bootstrap voltage, a driving circuit receiving the bootstrap voltage and driving the bidirectional switch, and an energy compensation circuit coupled to the H-bridge, the bootstrap circuit and the driving circuit, and providing a compensation energy to the bootstrap circuit. | 2010-05-20 |
20100124086 | High efficiency synchronous reectifiers - Methods and circuits for synchronous rectifier control are disclosed herein. In one embodiment, a synchronous rectifier control circuit can include: (i) a first sense circuit to sense a voltage between first and second power terminals of a synchronous rectifier device prior to a turn-on of the device, where a timing of the turn-on of the synchronous rectifier device is adjustable using a first control signal generated from the first sense circuit; (ii) a second sense circuit configured to sense a voltage between the first and second power terminals after a turn-off of the device, where a timing of the turn-off of the device is adjustable using a second control signal generated from the second sense circuit; and (iii) a driver control circuit configured to receive the first and second control signals, and to generate therefrom a gate control signal configured to drive a control terminal of the synchronous rectifier device. | 2010-05-20 |
20100124087 | POWER CONVERTER START-UP CIRCUIT - A power converter arrangement configured to convert a direct voltage into an alternating voltage to be supplied to a grid includes a photovoltaic generator configured to generate the direct voltage, a voltage intermediate circuit, a main power converter connected in series with a bypass switch, a maximum power point controller configured to set a maximum power point voltage, and at least one voltage-limited additional circuit configured to be active during a start-up phase of the photovoltaic generator. The at least one voltage-limited additional circuit and the main power converter are configured as a voltage divider in parallel with the photovoltaic generator. The at least one voltage-limited additional circuit is configured as a capacitive voltage divider having a first capacitor and an intermediate circuit capacitor connected in series. | 2010-05-20 |
20100124088 | STORAGE AT M BITS/CELL DENSITY IN N BITS/CELL ANALOG MEMORY CELL DEVICES, M>N - A method for data storage includes accepting data for storage in a memory that includes multiple analog memory cells and supports a set of built-in programming commands. Each of the programming commands programs a respective page, selected from a group of N pages, in a subset of the memory cells. The subset of the memory cells is programmed to store M pages of the data, M>N, by performing a sequence of the programming commands drawn only from the set. | 2010-05-20 |
20100124089 | SINGLE-ENDED SENSE AMPLIFIER CIRCUIT - Single-ended sense amplifier circuit. An example of the sense amplifier circuit includes an inverter coupled to a bit line to read a bit cell. The sense amplifier circuit also includes a first circuit responsive to a control signal to charge the bit line for a predefined time. Further, the sense amplifier circuit includes a second circuit coupled to the bit line and responsive to a read 1 operation to retain voltage of the bit line above a first threshold to render the inverter to read 1 from the bit cell. | 2010-05-20 |
20100124090 | SEMICONDUCTOR MEMORY DEVICE AND CONTROL METHOD THEREOF - To provide data lines connected via column switches to a plurality of sense amplifiers and an input/output circuit that, in response to a write request, supplies pre-write data through the data line to selected phase change memory cells and then write data through the data line to the selected phase change memory cells. Thus, a pre-write operation and an actual write operation according to the write data can be performed at high speed. Because only the memory cells selected by a column address are subject to write, consumption power is reduced and lives of the memory cells are not shortened. | 2010-05-20 |
20100124091 | Magnetic Data Storage Device and Method - A data storage device comprises an array of parallel magnetic nanowires each having a uniaxial anisotropy with an easy axis substantially perpendicular to the longitudinal axis of the nanowire and which is rotated about the longitudinal axis along the length of the nanowire, and a magnetisation state that follows the easy axis, where each nanowire has a data input element for nucleating magnetic domains separated by domain walls in an end of the nanowire, the sequence of domains and walls representing binary data, and a data read-out element operable to detect the magnetisation at an end of the nanowire, the device also comprising a magnetic field source operable to generate a magnetic field rotating in a plane substantially perpendicular to the longitudinal axes of the nanowires so as to propagate domain walls along the at least one nanowire. Reversal of the direction of rotation of the magnetic field reverses the propagation direction of the domain walls, so that data can be moved in either direction along the nanowires. | 2010-05-20 |