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27th week of 2012 patent applcation highlights part 20
Patent application numberTitlePublished
20120169171ELECTRICAL MACHINE, ROTOR APPARATUS, AND METHOD - An apparatus includes a rotor and a magnet disposed on the rotor. The apparatus also includes a pole cap proximate to the at least one magnet disposed on the rotor. The pole cap is magnetically coupled to the magnet and has a laterally asymmetric profile.2012-07-05
20120169172METHOD FOR MANUFACTURING A STATOR AND A STATOR BAR, STATOR AND STATOR BAR - A method for manufacturing a stator bar includes providing a conductor with an insulation around it, and wrapping an expandable tape around the insulation. The stator bar can be used to manufacture a stator.2012-07-05
20120169173STATOR FOR MOTOR - The present invention relates to a stator for a motor including: a stator core having an annular back yoke and a plurality of teeth; an upper insulator having an annular body portion formed correspondingly to the back yoke of the stator core and a plurality of teeth insulation portions formed correspondingly to the teeth of the stator core so as to cover the upper sides of the teeth of the stator core; a lower insulator having an annular body portion formed correspondingly to the back yoke of the stator core and a plurality of teeth insulation portions formed correspondingly to the teeth of the stator core so as to cover the upper sides of the teeth of the stator core; a plurality of insulation films each adapted to be inserted into the slot to cover the side of the stator core exposed to the inside of the slot between the upper insulator and the lower insulator; and coils adapted to be wound on the teeth of the stator core enclosed by the upper insulator, the lower insulator and the insulation films.2012-07-05
20120169174AXIALLY-SPLIT STATOR CONSTRUCTION FOR ELECTRIC MOTORS - This invention relates to the construction of stators for use in electric motors. A stator for an electric motor comprises an elongate tubular body defining a central cavity in which a rotor can be located, the body defining a series of axial slots extending parallel to the body axis and a series of electrical conductors extending along the channels to form electrical windings, wherein the body is formed from at least two part-circular segments of substantially the same length, the segments together defining the central cavity.2012-07-05
20120169175Motor, manufacturing method for the same and washing machine - A motor includes a ring-shaped stator, and a rotor to be rotated via electromagnetic interaction with the stator. The stator includes core plates stacked one above another. Each core plate includes an arc-shaped body and a plurality of teeth connected to the body, on which a coil is wound. The body of the core plate includes at least one bending inducer incised in a circumferential direction of the body.2012-07-05
20120169176Systems, Methods, and Apparatus for Lifting Brushes of an Induction Motor - Systems, methods, and apparatus associated for lifting brushes and shorting slip rings are provided. One embodiment may include an actuating mechanism in operable communication with multiple brushes and a plurality of electrical contacts. Each of the brushes may be adapted for selective contact with a respective slip ring of an induction motor. The electrical contacts may be in electrical communication with respective terminals of rotor windings of the induction motor. When the actuating mechanism is actuated, at least a portion of the electrical contacts create electrical shorts between at least a portion of the slip rings and the rotor windings of the induction motor. When the actuating mechanism is actuated, at least a portion of the brushes are lifted from contacting the plurality of slip rings.2012-07-05
20120169177Induction Motor Brush Holder Assemblies, Apparatus, Systems, and Methods - Systems, methods, and apparatus associated for lifting brushes and shorting slip rings are provided. One embodiment may include a shaft in operable communication with a WRIM rotor; multiple slip rings positioned radially around the shaft and in electrical communication with rotor windings of the WRIM; multiple brushes adapted for selective contact with a respective one of the plurality of slip rings. In addition, the system may include multiple selectively activating electrical contacts in electrical communication with respective terminals of the rotor windings of the WRIM; and an actuating mechanism in operable communication with the brushes and the electrical contacts. When the actuating mechanism is actuated, the electrical contacts create electrical shorts between the slip rings and the rotor windings of the WRIM and the plurality of brushes are lifted from contacting the plurality of slip rings.2012-07-05
20120169178Systems, Methods, and Apparatus for Shorting Slip Rings of an Induction Motor - Systems, methods, and apparatus associated for lifting brushes and shorting slip rings are provided. One embodiment may include a shaft in operable communication with a WRIM rotor; multiple slip rings positioned radially around the shaft and in electrical communication with rotor windings of the WRIM; multiple brushes adapted for selective contact with a respective one of the plurality of slip rings. In addition, the system may include multiple selectively activating electrical contacts in electrical communication with respective terminals of the rotor windings of the WRIM; and an actuating mechanism in operable communication with the brushes and the electrical contacts. When the actuating mechanism is actuated, the electrical contacts create electrical shorts between the slip rings and the rotor windings of the WRIM and the plurality of brushes are lifted from contacting the plurality of slip rings.2012-07-05
20120169179ENERGY CONVERSION DEVICE OF ELECTROSTATIC INDUCTION TYPE - On an upper surface of a fixed substrate, a plurality of strap-shaped base electrodes are arranged in parallel to each other. On each of the base electrodes, an electret is formed. The electret has a width wider than the width of each base electrode, and the electret covers an exposed surface of the base electrode. A movable substrate is disposed in parallel to and facing the surface of the fixed substrate where the electrets and others are formed. The movable substrate is movable relatively to the fixed substrate. On a facing surface of the movable substrate, strip-shaped counter electrodes are each formed so as to face each base electrode.2012-07-05
20120169180LAMINATE TYPE ELECTRONIC COMPONENT AND MANUFACTURING METHOD THEREFOR - In a method of manufacturing a laminate type electronic component, when a heat treatment is carried out after plating films, which at least partially define external electrodes, are formed by growing plated depositions deposited on exposed ends of a plurality of internal electrodes in a component main body, the presence of the plating films may not only interfere with moisture release, but may also cause blisters or bulge defects in the plating films, while moisture such as a plating solution in the component main body is removed by evaporation. To avoid such problems, cuts to divide exposed ends into multiple sections are formed in extending sections of internal electrodes. Thus, plating films include slits extending in the stacking direction at locations corresponding to positions of the cuts.2012-07-05
20120169181Piezoelectric Actuator - Disclosed herein is a piezoelectric actuator. According to the present invention, the manufacturing cost of the piezoelectric actuator can be reduced by simplifying the patterns of electrodes constituting the piezoelectric actuator, the piezoelectric actuator itself or an electronic product employing the piezoelectric actuator can be made smaller by using only planar simple translational movement of the piezoelectric actuator, and the piezoelectric actuator capable of independently performing linear translational movement in two directions on the plane can be provided.2012-07-05
20120169182AT-CUT QUARTZ-CRYSTAL VIBRATING PIECES AND DEVICES, AND METHODS FOR MANUFACTURING SAME - AT-cut quartz-crystal vibrating pieces and corresponding quartz-crystal devices are disclosed each having a vibrating portion surrounded by a frame portion across a through-slot configured to provide a wide vibrating portion. An exemplary vibrating piece has a quartz-crystal vibrating portion that vibrates when electrically energized, a frame portion surrounding the vibrating portion, and a through-slot defined between the vibrating portion and the frame portion. The through-slot includes a first through-slot extending in the X-axis direction along +Z′-edge of the vibrating portion, and a second through-slot extending in the X-axis direction along the −Z′-edge of the vibrating portion. The first through-slot has a different width than the second through-slot.2012-07-05
20120169183CERAMIC COMPOSITION FOR PIEZOELECTRIC ACTUATOR AND METHOD OF MANUFACTURING THE SAME, AND PIEZOELECTRIC ACTUATOR MANUFACTURED BY USING THE SAME - There are provided a ceramic composition for a piezoelectric actuator allowing for low-temperature sintering and a method of manufacturing the same, and a piezoelectric actuator. A Cuo powder and an MnO powder as an sintring additive are added to a PZT-PZN piezoelectric ceramic powder to allow low-temperature sintering at a temperature of 950° C. or lower, and the usage of high-priced palladium (Pd) used as materials for high-temperature inner electrodes is decreased due to lowering of the sintering temperature, and thereby to achieve cost reduction.2012-07-05
20120169184ELECTROACTIVE POLYMER MANUFACTURING - Described herein are transducers and their fabrication. The transducers convert between mechanical and electrical energy. Some transducers of the present invention include a pre-strained polymer. The pre-strain improves the conversion between electrical and mechanical energy. The present invention provides methods for fabricating electromechanical devices including one or more electroactive polymers.2012-07-05
20120169185Actuator - The invention relates to a method of making an actuator comprising a plurality of force elements and an actuator made according to the method. The method comprises providing a coupler for coupling force from the force elements to a load; calculating a transfer function for each force element wherein the transfer functions allow the force provided to the load to be predicted; determining an error functional which is indicative of any undesired dips in the predicted force; calculating the parameters of the force elements which minimise the error functional, and coupling force elements having the calculated parameters to the coupler to make the actuator.2012-07-05
20120169186Spindle Motor - A spindle motor is provided, the motor including a bearing assembly including an upper surface-opened cylindrical bearing housing and a bearing accommodated in the bearing housing and formed with a rotation shaft hole; a stator including a core coupled to a periphery of the bearing housing and a coil wound on the core; a rotation shaft inserted into the rotation shaft hole; a rotor including a disk-shaped yoke coupled to the rotation shaft and a magnet coupled to the yoke to face the core; and a suction magnet arranged at the yoke facing the core, wherein the bearing housing includes a body coupled to the core and a core fixture bent from the body to face the core, and the suction magnet is so arranged as to face the core fixture corresponding to an external side of a bent unit bent from the body for forming the core fixture.2012-07-05
20120169187Presentation Device - The present invention relates to a presentation device (2012-07-05
20120169188DRIVE ENCLOSURE - A drive enclosure includes a chassis and a separating assembly. The chassis includes a bottom plate, a side plate, and a middle plate attached to the side plate and substantially parallel to the bottom plate. A securing portion is located on the bottom plate. A first positioning portion and a second positioning portion are located on the middle plate. The first positioning portion and the securing portion have a same configuration and the first positioning portion is aligned with the securing portion, and the second positioning portion is adjacent to the first positioning portion. The separating assembly includes a first securing piece and a second securing piece. The first securing piece is engaged with the securing portion and the first positioning portion, and the second securing piece is engaged with the second positioning portion.2012-07-05
20120169189ELECTRONIC DEVICE ENCLOSURE - An electronic device enclosure for receiving hard disk drives is disclosed. The electronic device enclosure comprises at least one chassis comprising a bottom plate, a side plate, and a middle plate attached to the side plate; the middle plate is substantially parallel to the bottom plate; and a separating assembly located between the bottom plate and the middle plate, the separating assembly comprising a flange, the flange comprising at least one first resisting portion and at least one second resisting portion; the at least one first resisting portion is on a first plane that is substantially parallel to the bottom plate, and the at least one second resisting portion is on a second plane; wherein the at least one first resisting portion and the at least one second resisting portion are adapted to hold hard disk drives received in the at least one chassis.2012-07-05
20120169190TRAY ASSEMBLY FOR A FIBER OPTIC ENCLOSURE - A tray assembly for a fiber optic enclosure includes a mounting bracket having a first bracket, a second bracket and a divider panel. The first bracket is configured for mounting to a fiber optic enclosure. The first bracket defines a pivot axis. The second bracket is engaged to the first bracket and is adapted to pivot about the pivot axis between a closed position and an open position. The divider panel is engaged to the first bracket and is adapted to pivot about the pivot axis between a closed position and an open position. The tray assembly further includes a first set of trays engaged to the second bracket and a second set of trays engaged to the divider panel. The divider panel is disposed between the first and second sets of trays.2012-07-05
20120169191SERVER HAVING RETRACTABLE FOOT PAD - An exemplary server includes a housing having a lateral side defining four openings, and a foot pad fixed in each of the openings. The foot pad includes a pivoting rod and a supporting member pivotally connected to the pivoting rod. The supporting member is operable to rotate in the opening, thereby the supporting member being totally received in the opening, or a part of the supporting member protruding outwardly from the opening for supporting the housing.2012-07-05
20120169192HOSPITALITY ENVIRONMENT ITEM AND METHOD OF ASSEMBLY - A hospitality environment item, namely, interchangeable decorative panels that include laminates and their placement on underbar furniture/equipment. The decorative panels may each have their own laminate finish. Flanges attached to the underbar furniture/equipment extend to conceal edges of the decorative panels and extend over a peripheral region of the face of the decorative panel. The decorative panels have holes arranged to allow draw-pull handles to be secured to a drawer/door and a lock to penetrate into the drawer/door. Other decorative panels have holes that allow light to shine through from lights in backsplash sections.2012-07-05
20120169193WASHING MACHINE - A washing machine including a main body and a control panel mounted to the main body. The control panel includes a control panel frame assembled to the main body, a circuit board housing coupled to a rear side of the control panel frame and having an open rear side, and a circuit board accommodated in the circuit board housing. The circuit board is inserted into the circuit board housing through the open rear side of the circuit board housing such that a front surface thereof, on which light emitting elements to display operational modes of the washing machine are mounted, faces an inner wall surface of a front wall portion of the circuit board housing.2012-07-05
20120169194APPLIANCE HAVING A HOUSING DAMPENING PORTION AND METHOD - Various embodiments of apparatuses and methods relating to appliances are provided. In one embodiment, an appliance having a housing, one or more moveable components inside the housing, a drive assembly, and a dampening portion is provided. The housing includes, for example, at least one side wall and the dampening member is disposed at least partially between the drive assembly and the at least one side wall. The dampening portion includes, for example, a resilient material having at least one surface extending at least partially along the side wall and the drive assembly. The dampening member is configured to limit movement of the drive assembly during shipping and handling to prevent damage to the appliance. The dampening member stays with the appliance after shipping and handling to enhance performance of the appliance, protect the moveable component, or both.2012-07-05
20120169195Closure Device for a Housing, Sealed Off From the Environment, and a Housing - A closure device provides an emergency degassing function, pressure equalization and condensate removal for a housing sealed off from the environment. The closure device has a frame, fastenable to a housing opening and having a frame opening, as well as a closure element, for closing the housing opening. The closure element is configured or arranged relative to the frame such that a path is formed in or through the closure element in a first closure position by the gravitational force acting on the closure element. The path enables an exchange of air between the housing interior and the environment as well as a discharge of condensation water. A second closure position, in which the path is sealed closed is producable by water impinging on the closure element from the environment. If a specified overpressure is exceeded, the closure element is detachable from the frame opening.2012-07-05
20120169196CABINET DOOR WITH INTERCHANGEABLE REMOVABLE PANEL - A cabinet door for furniture composed of a supporting frame and a removable panel, which is provided with a back side designed to be disposed against the supporting frame, and a front side.2012-07-05
20120169197CHASSIS ASSEMBLY - The chassis assembly comprises a main housing, a latching module and a cover plate. The main housing has at least a side plate which has at least one track portion on the inner surface thereof. The latching module is slidably assembled to the side plate and includes a first locking member slidably assembled on the track portion and having at least one retaining portion; an elastic member connected between the latching module and the side plate; and a second locking member assembled with the first locking member and sandwiching the side plate with the first locking member. The cover plate is detachably assembled to the main housing, and includes at least one stator portion corresponding to the retaining portion.2012-07-05
20120169198ASSEMBLY UNIT AND CASING HAVING THE SAME - A an assembly unit for assembling a drawable device into a casing includes a fixing member disposed on a side wall of the drawable device and a latching member slidably disposed on the casing correspondingly to the fixing member. The fixing member has a fixing hole thereon. The casing has a first tongue portion corresponding to the latching member and a fixing protrusion protruding toward the interior of the casing; wherein the fixing protrusion engages with the fixing hole when the drawable device is assembled into the casing.2012-07-05
20120169199CONTROL MECHANISM FOR DRAWER SLIDE ASSEMBLY - A control mechanism for a drawer slide assembly which includes a first slide member and a second slide member. The control mechanism includes an adjustment member and a pair of stop members. The adjustment member is rotationally connected to the second slide member, and the pair of stop members are connected to the adjustment member and each have a stop portion located corresponding to the first slide member. The first slide member includes a catch portion which is located corresponding to one of the stop portions. The pair of the stop members are moved by rotation of the adjustment member. When the second slide member is retracted relative to the first slide member, the first and second stop portions are respectively adjusted and are engaged with the catch portion of the first side member to position the second slide member.2012-07-05
20120169200HYBRID COMPACT FLUORESCENT LAMP FIXING METHOD - The invention is directed to a lamp assembly, and particularly to a method of fixing a first light source and a second light source in a single lamp assembly. More specifically, the invention provides a lamp assembly and a mechanism for fixing at least two light sources therein, at least one of which is a compact fluorescent light source, an incandescent light source, or a halogen light source, and where the fixing mechanism used involves soldering the lead-in wires of the second light source to a printed circuit board of the lamp assembly, which is in operative connection with the lamp ballast.2012-07-05
20120169201LIGHTING DEVICE - A lighting device includes a bottom housing, a middle housing, a top housing, and a lamp head. Specifically, the bottom housing has a bottom surface capable of supporting a lighting module. The middle housing is coupled to the top side of the bottom housing. The top housing is coupled to the top side of the middle housing, such that the middle housing is disposed between the bottom housing and the top housing. The lamp head covers the sidewall of the top housing.2012-07-05
20120169202LIGHT EMITTING DIODE (LED) AND ORGANIC LIGHT EMITTING DIODE (OLED) LIGHTING SOURCES - A heat sink structure formed out of mechanisms which may include petals and stems, and which may be characterized by configurations which include rosettes and umbels. Each heat sink structure being generally comprised of multiple petals and one or more stems which are capable of interlocking with each other through use of various mechanical connector elements, which may include fin, claw and ball features. Each petal typically having a plurality of fins, claws and balls, intended to create hinge-like properties for maximizing the number and types of heat sinks which may be expressed. Advantageously, a plurality of expandable, connectable and adjustable heat sinks may be formed to optimize heat dispersion and allow for a plurality of lighting sources to be accommodated as desired.2012-07-05
20120169203LED LAMP - A lamp includes a hollow main body; an electrical circuit assembly disposed in the main body; an LED illumination assembly disposed in front of the electrical circuit assembly and electrically connected thereto; a diffuser disposed in front of the illumination assembly; a frame mounted on a forward end of the main body with the diffuser fitted therein; and a hollow protective cover shaped to enclose the electrical circuit assembly.2012-07-05
20120169204UNIFORM LIGHT EMITTING LAMP STRUCTURE - The present invention discloses a uniform light emitting lamp structure including a lamp holder, an electric connection portion and a planar portion disposed on both end surfaces of the lamp holder respectively, and the planar portion includes a circuit board electrically coupled to the electric connection portion. The lamp structure further includes an LED light source, a lamp cover and a light guide column with a refractive index n2012-07-05
20120169205ANTI-FOULING SPARK PLUG AND METHOD OF MAKING - Disclosed herein is a spark plug comprising an insulative sleeve having a central axial bore and an exterior surface and a center electrode extending through the central axial bore of the insulative sleeve. The insulating sleeve is positioned within, and secured to, a metal shell that serves as a mounting platform and interface to an internal combustion engine. The metal sleeve also supports a ground electrode that is positioned in a spaced relationship relative to the center electrode so as to generate a spark gap. The insulating sleeve includes a shaped tip portion that resides in a recessed end portion of the metal shell. A coating is disposed on the exterior surface of the insulative sleeve. The coating comprises a silicone resin, optionally in combination with a filler.2012-07-05
20120169206RUTHENIUM-BASED ELECTRODE MATERIAL FOR A SPARK PLUG - A ruthenium-based electrode material for use with a spark plug. The electrode material comprises ruthenium (Ru) and a precious metal. The ruthenium (Ru) is the single largest constituent of the electrode material on a wt % basis. The electrode material may have a density that is less than or equal to about 15.5 g/cm2012-07-05
20120169207SPARK PLUG - A spark plug includes a ceramic insulator having an axial bore extending in the direction of an axis (CL2012-07-05
20120169208DEVICE AND METHOD FOR CIRCUIT PROTECTION - A device for diverting energy away from an electrical arc flash is provided. The device comprises an arc source configured to create a second arc flash, a plasma gun configured to inject plasma in proximity of the arc source in response to the arc flash, an arc containment device to house the arc source and the plasma gun, an exhaust port configured to route exhaust gases out of the device in a first direction, and an exhaust duct coupled in flow communication with the exhaust port, the exhaust duct comprising a substantially hollow tube including a first tube portion and a second tube portion, the first tube portion coupled in flow communication with the exhaust port, the second tube portion defining an exhaust vent and coupled in flow communication with the first tube portion to route the exhaust gases out of the device in a second direction.2012-07-05
20120169209FIELD EMISSION DEVICE AND FIELD EMISSION DISPLAY - The present disclosure provides a field emission device. The field emission device includes an insulating substrate having a first surface, a first electrode, a second electrode, at least one cathode emitter and a secondary electron emitter. The first electrode and the second electrode are spaced from each other and are located on the first surface of the insulating substrate. The cathode emitter is electrically connected to the first electrode and spaced from the second electrode. A secondary electron emitter is spaced from the cathode emitter. The secondary electron emitter has an electron emitting surface exposed to the cathode emitter. A secondary electron emitter is spaced from the cathode emitter. The cathode emitter is oriented toward the secondary electron emitter.2012-07-05
20120169210ELECTRON-SOURCE ROD, ELECTRON SOURCE AND ELECTRONIC DEVICE - An electron source is provided that operates at lower temperature and has a low work function and a narrower energy width. The electron source includes a porcelain insulator, two conductive terminals connected to the porcelain insulator, a filament formed between the conductive terminals, and a <100> orientation single crystal rod of at least one metal selected from the group consisting of tungsten, molybdenum, tantalum and rhenium connected to the filament. The rod has an electron-emitting face formed in at its tip region with its {100} crystal face exposed. The rod further includes a diffusion source in its central region that is made of a composite oxide formed from barium oxide and scandium oxide wherein the proportion of barium oxide being 50 mol % or more of BaO and the proportion of scandium oxide being 10 to 50 mol % as Sc2012-07-05
20120169211LIGHTING DEVICE - A lighting device may include a lighting source, and an electric power supply circuit for said lighting source, said lighting source and said power supply circuit being separated by respective walls defining an air separation gap between them.2012-07-05
20120169212FIELD EMISSION DEVICE AND FIELD EMISSION DISPLAY - A field emission display includes an insulating substrate, a number of first electrode down-leads, a number of second electrode down-leads, and a number of electron emission units. The first electrode down-leads are set an angle relative to the second electrode down-leads to define a number of cells and a number of intersections. Each electron emission unit is located at one of the plurality of intersections and in at least two adjacent cells. The electron emission unit includes a first electrode, a second electrode, and a plurality of electron emitters. The second electrode extends surrounding the first electrode. The plurality of electron emitters located on and electrically connected to at least one of the first electrode and the second electrode. A field emission display is also provided.2012-07-05
20120169213PHOSPHORESCENT METAL COMPLEX COMPOUND, METHOD FOR THE PRODUCTION THEREOF AND RADIATION EMITTING STRUCTURAL ELEMENT - A phosphorescent metal complex may include at least one metallic central atom M; and at least one ligand coordinated by the metallic central atom, wherein one ligand is bidentate with two uncharged coordination sites and comprises at least one carbene unit coordinated directly to the metal atom.2012-07-05
20120169214NANO-SIZED PHOSPHOR, EMITTING LAYER INCLUDING THE SAME, INORGANIC LIGHT EMITTING DEVICE INCLUDING EMITTING LAYER, METHOD OF PREPARING NANO-SIZED PHOSPHOR, AND METHOD OF PREPARING EMITTING LAYER - A nano-sized phosphor including: sulfur, wherein the nano-sized phosphor has a mean largest particle diameter of less than 1 micrometer.2012-07-05
20120169215COLOR DISPLAY - A color display includes a display panel and an organic light-emitting diode. The display panel includes a color filter. The color filter includes a red photoresist, a green photoresist, and a blue photoresist. The blue photoresist is a dye base resist. The organic light-emitting diode backlight source is used for providing a first light source for the display panel. Therefore, the organic light-emitting diode is able to generate a white point of color light which can match a specification through the color filter.2012-07-05
20120169216ORGANIC LUMINESCENCE DISPLAY DEVICE HAVING GETTER PATTERN AND METHOD OF MANUFACTURING THE SAME - Provided is a method of manufacturing an organic luminescence display device, the method including: bringing a getter powder into direct contact with a first surface of an encapsulation substrate; irradiating a laser to a second surface of the encapsulation substrate correspondingly to a getter pattern area to melt the second surface of the encapsulation substrate; and bonding the getter powder to the molten second surface of the encapsulation substrate to form a getter pattern corresponding to the getter pattern area. Since the getter powder is directly bonded to the encapsulation substrate by laser irradiation, a fine getter pattern may be formed.2012-07-05
20120169217ORGANIC LIGHT-EMITTING DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - The organic light-emitting display device includes: a substrate including a transistor region; and a thin-film transistor formed over the transistor region of the substrate and having a planarization film which is disposed over a source/drain electrode and a pixel defining layer which includes an aperture exposing a portion of a first electrode electrically connected to the source/drain electrode and defining a pixel region, wherein an outgassing hole is formed in a region of the pixel defining layer other than the aperture to expose the planarization film.2012-07-05
20120169218MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE, AND ORGANIC ELECTROLUMINESCENCE DEVICE - A material for an organic electroluminescence device is provided and contains compounds represented by the following formulae (3a) and (3b). The compound (3a) has a molecular weight smaller than that of the compound (3b), and the material has a content ratio of the compound (3a) to the compound (3b) of from 0.1 to 5,000 ppm.2012-07-05
20120169219METAL COMPLEX COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE USING SAME - A metal complex compound having a special structure containing metals such as iridium. An organic electroluminescence device which comprises at least one organic thin film layer sandwiched between a pair of electrode consisting of an anode and a cathode, wherein the organic thin film layer comprises the above metal complex compound, which emits light by applying an electric voltage between the pair of electrode. An organic EL device employing the novel metal complex compound emits various phosphorous lights including blue light having an enhanced current efficiency and prolonged lifetime.2012-07-05
20120169220ORGANIC ELECTROLUMINESCENT DEVICES AND METAL COMPLEX COMPOUNDS - An organic electroluminescent device, which has a pair of electrodes and at least one organic layer including a luminescent layer between the pair of electrodes, wherein at least one layer between the pair of electrodes comprises at least one metal complex having a tridentate- or higher polydentate-chain structure ligand.2012-07-05
20120169221FIELD EMISSION DISPLAY - A field emission display includes an insulating substrate, a number of first electrode down-leads, a number of second electrode down-leads, and a number of pixel units. The first electrode down-leads are set an angle relative to the second electrode down-leads to define a number of cells. Each pixel unit is located in each cell and includes a cathode electrode, an electron emitter, an anode electrode, and a phosphor layer. The electron emitter is electrically connected to the cathode electrode. The anode electrode has a bearing surface inclined to the insulating substrate. The phosphor layer is located on the bearing surface.2012-07-05
20120169222FIELD EMISSION DEVICE AND FIELD EMISSION DISPLAY - A field emission device includes an insulating substrate, a number of first electrode down-leads, a number of second electrode down-leads, and a number of electron emission units. The first electrode down-leads are set an angle relative to the second electrode down-leads to define a number of cells. Each electron emission unit is located in each cell and includes a first electrode, a second electrode, and a plurality of electron emitters. The second electrode extends surrounding the first electrode. The plurality of electron emitters located on and electrically connected to at least one of the first electrode and the second electrode. A field emission display is also provided.2012-07-05
20120169223FLAT PANEL DISPLAY APPARATUS AND ORGANIC LIGHT-EMITTING DISPLAY APPARATUS - A flat panel display apparatus and an organic light-emitting display apparatus. The flat panel display apparatus includes: a substrate; a display unit which is disposed on the substrate to realize an image; a metal sheet which is disposed opposite to the substrate, covers at least a part of the display unit, and includes a central part at which uneven wrinkles are formed and an edge part which is formed in a flat shape in which wrinkles are not formed; and a sealing material which fills a whole space formed between the substrate and the metal sheet and seals the substrate and the metal sheet.2012-07-05
20120169224HIGH INTENSITY DISCHARGE LAMP - The invention provides a high intensity discharge lamp comprising a ceramic discharge vessel having sealed first and second end plugs and an external electrical antenna, which is used as “active” antenna for facilitating ignition of the high intensity discharge lamp. The discharge vessel encloses a discharge volume and comprises two electrodes and contains a filling.2012-07-05
20120169225ELECTRODE FOR DISCHARGE LAMP, METHOD OF MANUFACTURING ELECTRODE FOR DISCHARGE LAMP, AND DISCHARGE LAMP - An electrode for a discharge lamp is provided with a mayenite compound in at least a part of the electrode that emits secondary electrons, and the mayenite compound is fired in a vacuum atmosphere with an oxygen partial pressure of 102012-07-05
20120169226LIGHT-EMITTING MODULE - A light-emitting module includes a light-emitting panel, a three-dimensional circuit board, and a positioning element. The light-emitting panel includes a light-emitting surface and a non-light-emitting surface, and the non-light-emitting surface has a plurality of panel electrode regions. The three-dimensional circuit board includes a plurality of circuit board electrode regions, the plurality of circuit board electrode regions is disposed to correspond to the plurality of panel electrode regions, and the three-dimensional circuit board is disposed on the non-light-emitting surface of the light-emitting panel, so that the plurality of circuit board electrode regions is connected electrically to the plurality of panel electrode regions. The positioning element positions the light-emitting panel and the three-dimensional circuit board.2012-07-05
20120169227LED based lamp replacment - The present invention provides an energy efficient replacement for a standard incandescent lamp using LED devices which direct their light output into a light transmissive medium which is also capable of radiating the transmitted light outwardly in a plurality of directions. More particularly, the present invention provides an incandescent lamp replacement which is virtually identical in external form factor to the standard incandescent lamp.2012-07-05
20120169228EXTERNAL ELECTRICAL-CONTROL LAMP WITH IMPROVED STRUCTURE - An external electrical-control lamp with improved structure includes a light-emitting diode lamp (2012-07-05
20120169229Organic Light Emitting Diode Display and Manufacturing Method of the Same - An organic light emitting diode (OLED) display includes: a first substrate including a display area and a non-display area; a driving element on the display area of the first substrate, and including a driving thin film transistor, a switching thin film transistor, and a capacitor; a circuit unit on the non-display area of the first substrate; an organic light emitting element on the driving element, and including a pixel electrode, an organic emission layer, and a common electrode; an inorganic protective layer covering the circuit unit and the common electrode of the organic light emitting diode; a sealing member on the inorganic protective layer in the non-display area of the first substrate; and a second substrate on the sealing member.2012-07-05
20120169230Illuminating Display Systems - An exemplary system comprises a power regulator and an emitting apparatus. The emitting apparatus is typically attached to or integrated with a display object, such as a merchandise package or container. A support structure, such as a point of purchase display, typically contains or supports one or more power regulators and display objects. The power regulator comprises a controller and a primary inductor, and the controller is adapted to provide a voltage or current to the primary inductor to generate a first primary inductor voltage. The emitting apparatus comprises an illumination source and a secondary inductor coupled to the illumination source. The illumination source is adapted to emit visible light when the power regulator is in an on state and when the secondary inductor is within a predetermined distance of the primary inductor. In exemplary embodiments, the first and second inductors are substantially planar.2012-07-05
20120169231CIRCUIT ARRANGEMENT FOR OPERATING A LIGHT EMITTING DIODE - A circuit arrangement for operating at least one light emitting diode, in particular for a motor vehicle, includes: a communications device which is connectable to a data bus and which is adapted for receiving control signals from the data bus; a control device connected to the communications device; and a control circuit connected to the control device for the clocked control of a switching regulator which is adapted for providing an operating current for operating the light emission diode, with the control device being adapted for controlling the control circuit on the basis of the control signals received by the communications device.2012-07-05
20120169232MOTOR VEHICLE HEADLIGHT ELEMENT - A motor vehicle headlight element is specified which has at least one light-emitting diode and at least one control apparatus. The control apparatus is suitable for processing a signal which is dependent on a measurement variable and for applying a current, corresponding to the signal, to the light-emitting diode. The control apparatus and the light-emitting diode are arranged on a common mount.2012-07-05
20120169233DRIVING APPARATUS FOR FLUORESCENT TUBE AND METHOD THEREOF AND ILLUMINATION APPARATUS USING THE SAME - A driving apparatus for a fluorescent tube and a method thereof and an illumination apparatus using the same are provided. The driving apparatus stops providing power, when a fluorescent tube has broken, to both ends of the broken fluorescent tube regardless of whether a power switch related to the fluorescent tube is in ON or OFF state, and thus making sure that a person is under a safety condition without getting an electric shock during replacing the broken fluorescent tube; moreover, the driving apparatus automatically detects the newly installed fluorescent tube and automatically light up the newly installed fluorescent tube after the broken fluorescent tube is replaced and it is unnecessary to switch the power switch related to the fluorescent tube anymore, and thus avoiding a potentially hazard for the person who climbs up and down a ladder repeatedly.2012-07-05
20120169234LIGHT ASSEMBLY - The present invention includes one embodiment containing an LED lighting assembly containing: a troffer; a bulbless and/or tubeless sub-housing; one or more solid state lighting units contained within the troffer and actuated by alternating current power; a night light contained within the bulbless sub-housing and operably communicating with the solid state lighting units, the night light actuated in the absence of light from the solid state lighting units; one or more light emitting diodes contained within the night light; and a battery source for powering the night light in the event of power interruption.2012-07-05
20120169235Light Assembly Having Light Sources and Adjacent Light Tubes - A light assembly includes a light source circuit board and a plurality of light-emitting diodes disposed on the light source circuit board. A plurality of light pipes axially extends from and adjacent to each light-emitting diode. Each light pipe has a respective first end adjacent to the plurality of light-emitting diodes and a second end opposite to the light-emitting diodes. The plurality of light pipes communicates light from the light-emitting diodes therethrough and defines a cavity therebetween. A plurality of thermal vanes forms a heat sink for removing heat from the light-emitting diodes. The plurality of thermal vanes extend adjacent to the plurality of light pipes. A driver circuit board is disposed within the cavity.2012-07-05
20120169236TERMINAL AND BRIGHTNESS CONTROL METHOD THEREOF - A terminal and a brightness control method thereof are provided. The terminal includes an illumination sensor for measuring peripheral illumination of the terminal, a proximity sensor for detecting an object within a preset distance, a memory for storing a brightness table including data for controlling brightness of a display unit corresponding to the measured illumination, the display unit for displaying and for changing a brightness of the display unit under control of a controller, and the controller for controlling the display unit to change the brightness according to the measured illumination and the brightness table when the object is not detected. The terminal and brightness control method thereof provide a more suitable screen to a user.2012-07-05
20120169237HOLLOW CATHODE LAMP ELAPSED TIME RECORDING SYSTEM - A hollow cathode lamp is described with an end cap, an anode, and a cathode. A data storage device is part of the end cap and communicates data to and from a computing device. The data communicated with the computing device may include identification information and usage information corresponding to the hollow cathode lamp. Additionally, a method is described that includes activating a power supply to a hollow cathode lamp and communicating data with a memory device located in the hollow cathode lamp. The data communicated with the memory device includes usage information about an amount of time the hollow cathode lamp has been in use.2012-07-05
20120169238COLOR CONTROL OF LIGHTING SYSTEM - The present invention relates to a method for color control of a lighting system (2012-07-05
20120169239LIGHTING SYSTEM FOR DIM AMBIENCE - A lighting system for dim ambience has at least one light source module, implemented in an ambience. The light source module has multiple light emitting units. Each unit is respectively controlled to produce a luminance. A luminance detecting unit detects a photonic luminance and a luminance ratio. A processing and operation module calculates a mesopic luminance according to the photonic luminance and the luminance ratio. When the photonic luminance is less than a dim-light setting value, a power control information is obtained by a fitness operation with a given condition set. The power control information is corresponding to an optimized mesopic luminance after fitness. A control unit receives the power control information to modulate the luminance of the light emitting units.2012-07-05
20120169240SEMI RESONANT SWITCHING REGULATOR, POWER FACTOR CONTROL AND LED LIGHTING - Described are improvements in power factor control and systems embodying said improved power factor control. Improvements lie in a method of zero voltage switching in which a capacitor is placed in parallel with a switching device, and the switching device is operated responsive to a change in the polarity of the current through the capacitor. Switching therefore occurs at zero or close to zero voltage across the switching device in both on and off modes resulting in very low switching losses and electromagnetic interference. Systems employing the method include a power factor controller, LED light source, boost converter and a power source comprising one or more photovoltaic cells.2012-07-05
20120169241ELECTRONIC DEVICE CAPABLE OF DETECTING ENVIRONMENT BRIGHTNESS AND METHOD THEREOF - An electronic device capable of detecting environment brightness includes a camera and a processor. The camera includes a photo sensor. The photo sensor includes a number of photosensitive elements. The processor is to periodically turn on some or all of the photosensitive elements to direct the camera to capture an image, obtain R value, G value, and B value of each pixel of the captured image, and determine environment brightness according to the determined R value, G value, and B value of each pixel of the captured image. A related method is also provided.2012-07-05
20120169242OCCUPANCY SENSOR WITH MULTI-LEVEL SIGNALING - A lighting control system includes a power pack and an enhanced occupancy sensor configured to implement multi-valued signaling to encode additional information into the occupancy signal it provides on the signal line. The power pack is configured to monitor the signal line to detect and interpret the additional information. In one example, the lighting control system also includes a manual override switch coupled to the signal line and/or to the occupancy sensor.2012-07-05
20120169243CIRCUITS AND METHODS FOR CONTROLLING DIMMING OF A LIGHT SOURCE - A controller that monitors a rectified voltage and detects whether the rectified voltage comes from a TRIAC dimmer or an on/off switch dimmer is disclosed. The controller controls dimming of a light source according to the rectified voltage if the rectified voltage comes from the TRIAC dimmer. The controller controls dimming of the light source according to an operation of the on/off switch dimmer if the rectified voltage comes from the on/off switch dimmer.2012-07-05
20120169244IGNITION SYSTEM FOR PLASMA JET IGNITION PLUG - An ignition system for a plasma jet ignition plug that enables a reduction in production cost and provides excellent ignition performance through improvement of plasma formation efficiency. The ignition system includes a plasma jet ignition plug having a center electrode, a ground electrode, and a cavity surrounding at least a portion of a gap formed between the center electrode and the ground electrode to form a discharge space, and a voltage application section for applying voltage across the gap. The ignition system further includes a capacitance section having a capacitance and provided in parallel with the plasma jet ignition plug between the plasma jet ignition plug and the voltage application section.2012-07-05
20120169245CONTROLLING CIRCUIT FOR AN LED DRIVER AND CONTROLLING METHOD THEREOF - The present invention relates to a controlling circuit and controlling method for an LED driver implemented as a flyback topology. The controlling circuit may be at a primary side of a transformer of the LED driver, and include a sampling circuit, an on time sensing circuit of an output diode, a regulating signal generator, and a PWM controller. The sampling circuit may generate a sampling signal indicating output current by sampling at the primary transformer side. The on time sensing circuit can detect an on time of the output diode. The regulating signal generator can generate a regulating signal by regulating the sampling signal, a voltage reference, and the on time of the output diode. The PWM controller may generate a controlling signal to control operation of a switching device of the LED driver to maintain a substantially constant output current in accordance with the regulating signal.2012-07-05
20120169246ILLUMINATION DEVICE - An illumination device (2012-07-05
20120169247METHOD OF DRIVING DISCHARGE LAMP, DRIVING DEVICE, AND PROJECTOR - In at least one embodiment of the disclosure, a method for driving a discharge lamp includes changing a duty ratio of an AC current to be supplied between a first electrode and a second electrode of the discharge lamp in accordance with a predetermined pattern, and setting a current value when the first electrode operates as an anode during one cycle so as to be smaller than a current value when the second electrode operates as an anode during one cycle.2012-07-05
20120169248SMART DIMMABLE POWER SUPPLY APPARATUS FOR ENERGY SAVING LAMP AND METHOD FOR THE SAME - A smart dimmable power supply apparatus for energy saving lamp (2012-07-05
20120169249SYSTEMS AND APPARATUS FOR AUTOMATICALLY DERIVING AND MODIFYING PERSONAL PREFERENCES APPLICABLE TO MULTIPLE CONTROLLABLE LIGHTING NETWORKS - Systems and methods for deriving and modifying personal preferences related to at least one controllable lighting network are disclosed. The systems include a processor that can be used in conjunction with a personal communication device and a preferences database. The processor is used to detect an identifier for a user, a plurality of adjustments to the at least one controllable lighting network requested by the user, and a context corresponding to each of the plurality of adjustments. The processor in some such systems has an associated local memory to store the plurality of adjustments, corresponding contexts, and the identifier of the associated user. The processor is further used to analyze the plurality of lighting adjustments and the corresponding contexts. Based on the analysis, the processor identifies a correlation between the plurality of adjustments and the contexts, and create at least one personal preference rule associated with the user identifier based on the correlation. The preferences database in some such systems is used to store the rules and the plurality of adjustments.2012-07-05
20120169250LIGHTING APPARATUS AND CONTROLLING METHOD THEREOF - A lighting apparatus includes a first lighting module, a second lighting module, a rectifier, and a controller. The rectifier is used to rectify the AC power into an input power. The controller is coupled to the rectifier, the first lighting module, and the second lighting module for receiving the input power. When the input power is less than a reference value, the controller controls the first lighting module, the second lighting module, and the rectifier to form a first connection state. When the input power is greater than the reference value, the controller controls the first lighting module, the second lighting module, and the rectifier to form a second connection state. Also, a controlling method of the lighting apparatus is disclosed.2012-07-05
20120169251LIGHT EMITTING DIODE LAMP AND METHOD FOR FABRICATING THE SAME - A structure of a light emitting diode (LED) lamp and a method for fabricating the same are provided. In the structure of the LED lamp, LEDs are designed to approach an inner surface of a lampshade more closely, so that the LED lamp has high brightness and high light-use efficiency. The method for fabricating the LED lamp includes the following steps. First, a holder is provided and at least one flexible LED light bar is assembled on the holder. The flexible LED light bar is then forced to approach the holder, and the flexible LED light bar as well as the holder are inserted into the lampshade. After the flexible LED light bar and the holder are inserted into the lampshade, the flexible LED light bar is bent outward to approach the inner surface of the lampshade. After that, the holder and the lampshade are assembled on a socket.2012-07-05
20120169252LED DRIVING CIRCUIT - A Light Emitting Diode (LED) driving circuit includes a power supply circuit, an LED circuit, and a switch control circuit. The power supply circuit includes an energy storage device and a switch component connected to the energy storage device. The energy storage device stores electric power when the switch component is switched on. The LED circuit is connected to the energy storage device. The switch control circuit is connected to the switch component, and is adapted to control the on/off states of the switch component, thereby adjusting a current flowing through the LED circuit.2012-07-05
20120169253MODIFYING VISUAL PERCEPTION - Various embodiments directed to modifying and enhancing visual perception are disclosed. One embodiment is directed to a camera which includes a lens system for capturing images and a lighting system providing key light above the lens system and providing fill light below the lens system. A processor controls one or more operations of the camera, including automatically enhancing the captured images and presenting the enhanced images on a display. The system and method for modifying visual perception may also be directed to a video camera mirror system, a seating system, a cosmetic package, a lipstick packaging, a polarized mirror, an illuminated cosmetic brush, a personal portrait photography management system and an illumination system for modifying visual perception.2012-07-05
20120169254DEVICE AND METHOD FOR CONTROLLING A LIGHTING SYSTEM BY PROXIMITY SENSING OF A SPOT-LIGHT CONTROL DEVICE AND SPOTLIGHT CONTROL DEVICE - Disclosed are methods and apparatus for controlling a lighting system by proximity sensing of a spotlight control device, particularly to controlling a spotlight generated by a lighting system such as a large LED lighting array by means of a spotlight control device. A device is provided for controlling a lighting system by proximity sensing of a spotlight control device, wherein a predefined area around the spotlight control device is illuminated if a proximity sensor signals presence of the spotlight control device within the predefined area.2012-07-05
20120169255CONTROL DEVICE FOR A DISCHARGE LAMP - A control device of a driving circuit of a discharge lamp is described. The driving circuit comprises an half bridge with a high side and a low side switches and the control device comprises a first device configured to control the switching frequency of the half bridge and a second device configured to detect the saturation current condition of the choke or the over current condition by detecting, cycle by cycle, a signal representative of the current passing through the low side switch. The second device generate a signal to cause the turning off of the low side switch and the turning on of the high side switch when the saturation current or over current condition of the choke is detected.2012-07-05
20120169256ELECTRIC POWER TOOL - An electric power tool includes: a motor; a manipulation input receiving unit which receives a user manipulation input for rotating the motor; a mode changeover unit that has one manipulation portion which manipulated by the user; a rotation drive force transmitting unit that switches a transmission mechanism to one of the transmission mechanisms corresponding to the set position of the manipulation portion and transmits a drive force of the motor to a tool output shaft via the switched transmission mechanism; an electric signal output unit that outputs an electric signal corresponding to the set position of the manipulation portion; and a motor control unit that sets the control method of the motor to a control method preset for the electric signal, among a plurality of different types of control methods, based on the electric signal, and controls the motor by the set control method, based on manipulation by the user.2012-07-05
20120169257Power Switching Circuitry - Power switching circuitry has a heat absorbing structure, and a heat conductive substrate having power switching components on a first surface and a second surface adjacent to the heat absorbing structure. Electrically conductive members, comprising first and second members, are on the first surface and extend along a first axis orthogonal to the heat conductive substrate. The second portion is more remote from the heat conductive substrate, and has a smaller cross-sectional area than, the first portion to define a shoulder region orthogonal to the first axis. A circuit board is located on the shoulder regions, with the second portions extending through the circuit board. An urging mechanism urges the circuit board against the shoulder regions, whereby the electrically conductive members provide a current path between the heat conductive substrate and the circuit board, and urge the heat conductive substrate into thermal contact with the heat absorbing structure.2012-07-05
20120169258DISCHARGE STATE INDICATOR - A circuit for displaying the state of a battery that is almost discharged features a battery, an inductive load, and a controllable switch connected in series. The circuit also includes a display element connected in series with the inductive load and the battery. The controllable switch is opened when a voltage of the battery is lower than a first threshold level and is only closed again when the voltage of the battery is greater than a second threshold level. The circuit may also include a control circuit having a comparator which compares the voltage of the battery with the first threshold level and the second threshold level and triggers the controllable switch accordingly.2012-07-05
20120169259METHOD AND SYSTEM FOR POWER CONVERSION - A method and system for a commutation control circuit are provided. The system includes an integrating voltage counter electrically coupled to an electrical power bus, wherein the integrating voltage counter is configured to integrate over time a voltage signal received from the power bus and to generate a trigger signal when the integrated voltage signal equals a predetermined count. The system also includes a plurality of transistor pairs configured to receive a trigger signal generated by the integrating voltage counter and electrically coupled to respective windings of a motor.2012-07-05
20120169260Method and Device for Compensating for Load Factors in Permanently Excited Motors - The invention relates methods and devices for compensating for load factors in permanently excited motors, wherein the rotor position is determined from the inductivities of the phases. The methods and devices are characterized by a stabilization of the inductivity-based signals for the determination of the position of the rotor in permanently excited motors against load factors. To this end, advantageously current-dependent faults of the angular values determined during the operation of the motor are corrected. For this purpose, in order to correct the inductivity-based determination of the position of the rotor, in a measuring device either the phase currents are measured or the intermediate circuit current is captured. Furthermore, including at least one motor-specific characteristic value, at least one current-dependent correction value, which is determined from said characteristic value, is applied in a correction device against the inductivity-based signals, which result from the inductivity-based determination of the position of the rotor, of a device for determining the inductivities such that switch states, which are loaded with the correction value by a control device and thus are corrected, are present at a converter for actuating the motor.2012-07-05
20120169261GENERATING A COIL SWITCHING SIGNAL FOR A BRUSHLESS DC MOTOR - Some embodiments provide a system that generates a coil switching signal for a brushless DC motor. During operation, the system determines a magnetic field of the brushless DC motor at a first time and a magnetic field of the brushless DC motor at a second time. Then, the coil switching signal is generated based on a relationship between the magnetic field determined at the first time and a first predetermined threshold, and the magnetic field determined at the second time and a second predetermined threshold.2012-07-05
20120169262SEMICONDUCTOR DEVICE, METHOD OF MANUFACTURING THE SAME, AND POWER MODULE - A semiconductor device includes an n-type drain layer, an n-type base layer provided on the n-type drain layer, a p-type base layer and an n-type source layer partially formed in surface layer portions of the n-type base layer and the p-type base layer, respectively, a gate insulation film formed on a surface of the p-type base layer between the n-type source layer and the n-type base layer, a gate electrode formed on the gate insulation film facing the p-type base layer across the gate insulation film, a p-type column layer formed within the n-type base layer to extend from the p-type base layer toward the n-type drain layer, a depletion layer alleviation region arranged between the p-type column layer and the n-type drain layer and including first baryons converted to donors, a source electrode connected to the n-type source layer, and a drain electrode connected to the n-type drain layer.2012-07-05
20120169263METHODS, SYSTEMS AND APPARATUS FOR ADJUSTING DUTY CYCLE OF PULSE WIDTH MODULATED (PWM) WAVEFORMS - Embodiments of the present invention relate to methods, systems and apparatus for controlling operation of a multi-phase machine in a vector controlled motor drive system when the multi-phase machine operates in an overmodulation region. The disclosed embodiments provide a mechanism for adjusting a duty cycle of PWM waveforms so that the correct phase voltage command signals are applied at the angle transitions. This can reduce variations/errors in the phase voltage command signals applied to the multi-phase machine so that phase current may be properly regulated thus reducing current/torque oscillation, which can in turn improve machine efficiency and performance, as well as utilization of the DC voltage source.2012-07-05
20120169264METHOD AND APPARATUS FOR COMMUTATING A BRUSHLESS DC MOTOR - Traditionally, controllers for brushless, sensorless direct current (DC) motors (in, for example, Hard Disk Drive applications) would use one of the phases of the DC motor to measure a back electromotive force (back-EMF) voltage. This measurement would generally cause a discontinuity in the current waveform for a motor operating at a generally constant rotational speed (i.e., at “run speed”), which would result in poor acoustic performance (i.e., audible hum). Here, however, an integrated circuit (IC) is provided that uses coil current and applied voltage measurements to substantially maintain a predetermined phase difference between the phase of the applied voltage and back-EMF voltage, eliminating the need for a back-EMF voltage measurement and improving the acoustic performance.2012-07-05
20120169265CONTROL APPARATUS AND MEASURING APPARATUS - A control apparatus for controllably driving a drive mechanism which displaces a movable member, includes: an electric-current detecting unit configured to detect electric current for driving the drive mechanism; a speed control unit configured to set a target electric-current according to a drive speed at which the drive mechanism is caused to drive the movable member; and an electric-current control unit configured to multiply, by an integral gain and a proportional gain, an electric-current deviation between a target electric-current and a detection electric-current detected by the electric-current detecting unit to set output electric-current to be output to the drive mechanism, wherein the current control unit changes at least one of the integral gain and the proportional gain according to the drive speed of the drive mechanism.2012-07-05
20120169266POWER SWITCHING SYSTEM INCLUDING A MICRO-ELECTROMECHANICAL SYSTEM (MEMS) ARRAY - A switching system includes a plurality of diodes forming a diode bridge, and a micro-mechanical system (MEMS) switch array closely coupled to the plurality of diodes. The MEMS switch array is electrically connected in an (M×N) array. The (M×N) array includes a first MEMS switch leg electrically connected in parallel with a second MEMS switch leg. The first MEMS switch leg includes a first plurality of MEMS dies electrically connected in series, and the second MEMS switch leg includes a second plurality of MEMS dies electrically connected in series.2012-07-05
20120169267FULL-PITCH WINDINGS SWITCHED RELUCTANCE MOTOR - A full-pitch winding switched reluctance motor is provided. In this motor, one set of current components are estimated, which electromagnetically act on only one set of stator poles for one phase. Based on the estimated one set of current components, current components for respective three phases are controlled, resulting in accurate current control with no electromagnetic interactions with other phases. This current control allows a control circuit to be made compact, and a motor with effective field means can be provided.2012-07-05
20120169268SYSTEM AND METHOD FOR CONTROLLING TORQUE OF INDUCTION MOTOR IN ELECTRIC VEHICLE - Disclosed is a system and a method for controlling torque of induction motor in electric vehicle. The system and method for controlling torque of induction motor in electric vehicle according to the present disclosure has an advantageous effect in that torque control problems caused by saturation of magnetic flux, parameters of induction motor and changes in battery voltages during control of torque in the induction motor can be solved using a look-up table (a type of data table), thereby enhancing accuracy in torque control and improving travel performance and fuel efficiency of the electric vehicle.2012-07-05
20120169269SOLAR POWER STORAGE MODULE, AND SOLAR POWER STORAGE SYSTEM AND SOLAR POWER SUPPLY SYSTEM HAVING SAME - A solar power supply system includes a power supply bus and a plurality of solar power storage systems. The power storage systems is electrically connected to each other in parallel via the power supply bus. Each of the solar power storage systems includes solar power storage modules and an inverter electrically connected to an external load and the solar power storage modules in series. Each of the solar power storage modules includes a lithium-ion battery unit, a solar cell unit, and a battery control unit. The solar cell unit charges the lithium-ion battery unit. The battery control unit is electrically connected to the lithium-ion battery unit and the solar cell unit, and controls the lithium-ion battery unit being charged or discharged.2012-07-05
20120169270BATTERY PACK APPARATUS INCLUDING A MULTI-CHANNEL 4-TERMINAL NETWORK CHARGING APPARATUS AND A MULTI-CHANNEL BATTERY POWER SUPPLY MODULE - The disclosure is to provide a battery pack apparatus including in one form a multi-channel network charging apparatus and a multi-channel battery power supply module. A battery pack apparatus using sunlight and commercial electricity, and comprising a solar cell panel, a charging apparatus, a monitoring unit, and a battery power supply module, can perform quick charging using a multi-channel network method when charging a charging battery of a multi-channel battery power supply module with electricity generated from collected sunlight and commercial electricity, enables easy replacement of a charging battery as charging batteries of the multi-channel battery power supply module are mounted in a configuration enabling the independent respective detachment thereof, wherein one network control board is inserted in each of the four charging batteries in order to control the four charging batteries and to detect the input voltages, input currents, output voltages, and output currents thereof.2012-07-05
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