05th week of 2012 patent applcation highlights part 21 |
Patent application number | Title | Published |
20120025638 | APPARATUS FOR COOLING AN ELECTRIC MACHINE - Provided is an apparatus, for example, for use with a rotating electric machine, that includes a housing. The housing can include a housing main portion and a housing end portion. The housing main portion can be configured to be disposed proximal to a body portion of a stator section of an electric machine. The housing main portion can define a main fluid channel that is configured to conduct fluid therethrough. The housing end portion can receive fluid from said main fluid channel and direct fluid into contact with a winding end portion of a conductive winding of the stator section. | 2012-02-02 |
20120025639 | APPARATUS FOR A HIGH SPEED SLEEVELESS ROTOR - A high-speed sleeveless rotor for an electric machine is provided. The rotor includes a shaft rotatable about a longitudinal axis, and a rotor core circumscribing at least a portion of the shaft wherein the rotor core includes an axially oriented slot. The slot includes a radially outer slot opening, a radially inner slot floor, and a slot sidewall extending therebetween. The slot floor includes a topstick attachment member extending radially outward from the slot floor and configured to engage a topstick positioned in the slot opening and the slot sidewall includes a shoulder configured to engage the topstick, preventing radially outward movement of the topstick. | 2012-02-02 |
20120025640 | MOTOR - A motor including a housing, a stator assembly, a rotor assembly, a controller, and a top end cover. The housing includes a cavity. The stator assembly includes a stator core and a stator winding and is housed in the cavity. The top end cover is disposed on the top of the housing. The rotor assembly includes a permanent magnet, a revolving shaft, and a rotor support. A bearing support extends inward from the center of a top end face of the top end cover, with a bearing chamber respectively provided on both ends thereof. The revolving shaft is disposed into and supports the bearing. A connection kit extends from the edge of the rotor support and outside the bearing support. The permanent magnet is disposed on the connection kit. The motor is characterized by simple and compact structure, lower cost, easy thermal dissipation, smaller axial dimension, and convenient assembly. | 2012-02-02 |
20120025641 | METHOD AND DEVICE FOR COOLING AN ELECTRIC MACHINE - In a slowly-running electric machine, such as a bulb turbine generator, air circulation for cooling is supplied by externally driven fans. A cooling device is mounted on the pressure or the suction side of the fan and the rotor and the stator are mounted on the suction side of the fan. | 2012-02-02 |
20120025642 | ROTATING ELECTRIC MACHINE - A rotating electric machine that can be improved in cooling performance is provided. An end plate includes an annular plate portion arranged to be spaced from a rotor in an axial direction and secured to a rotation shaft, and a tubular portion protruding from an outer edge of the annular plate portion to abut on an axial end surface of the rotor. A partition plate arranged between the rotor and an end plate forms a first space between the rotor and the partition plate and a second space between the annular plate portion and the partition plate. A communication passage allowing the first space and the second space to communicate with each other is formed in the partition plate at a radially outer side relative to a permanent magnet. A through hole extending through the annular plate portion in the axial direction is formed in the annular plate portion at a radially inner side relative to the permanent magnet. | 2012-02-02 |
20120025643 | MOTOR WITH SPEED REDUCTION MECHANISM - A power supply terminal | 2012-02-02 |
20120025644 | ELECTRIC MOTOR HAVING SPEED CHANGE FUNCTION - An electric motor having a speed change function is configured to differentiate a rotational speed of a rotor from a rotational speed of an output shaft outputting a torque transmitted from the rotor. The electric motor includes: a stator coil arranged on an inner circumferential face of a cylindrical outer case; a cylindrical rotor which is arranged in an inner circumferential side of the stator coil, and which is adapted to generate a torque by receiving a magnetic force generated by the stator coil; and a continuously variable transmission mechanism, which is arranged in an inner circumferential side of the rotor, and which is adapted to continuously vary a ratio between a rotational speed of an input member connected with the rotor, and a rotational speed of an output member connected with the output shaft and rotated by the torque from the input member. | 2012-02-02 |
20120025645 | ELECTRIC STARTER MOTOR - An electric starter motor for an internal combustion engine includes a rotatable output axle, a driving member mounted around the output axle, an output gear rotatably mounted around the output axle, and a friction member sandwiched between the output gear and the driving portion of the driving member. The output gear is slidable along the output axle. The hub of the driving member extends through the friction member and into the output gear. | 2012-02-02 |
20120025646 | Cooling Tower Motor Having Improved Moisture Protection - An electrical motor has been developed having an epoxy, which encapsulates a stator winding to protect the stator winding from the humid and damp atmosphere associated with a cooling tower. The electrical motor includes a stator core, a stator winding configured about the stator core, and an epoxy encapsulating at least an end portion of the stator winding, the epoxy enabling the stator winding to be isolated from an atmosphere surrounding a fan within in a cooling tower operated by the electrical motor in which the stator core and the stator winding are positioned. | 2012-02-02 |
20120025647 | SPINDLE MOTOR - Disclosed herein is a spindle motor. The spindle motor includes a rotor and a stator. The rotor includes a rotating shaft and a rotor casing which is provided with a magnet. The stator rotatably supports the rotor. The stator includes an armature facing the magnet. When the rotor casing rotates at a low speed, the rotating shaft rotates in a state of being inclined at a predetermined angle with respect to the vertical direction in which the rotating shaft is upright on the stator. Therefore, because the rotating shaft rotates in the state of being inclined with respect to the stator, the rotor can uniformly rotate. If the spindle motor is used in an optical disk apparatus for forming a label surface on an optical disk, the quality of the image on the label surface of the optical disk can be enhanced. | 2012-02-02 |
20120025648 | AXIALLY-ADJUSTABLE MAGNETIC BEARING AND A METHOD OF MOUNTING IT - The axially adjustable magnetic bearing comprises an annular body secured to a support, a magnetic bearing stator structure having an annular sheath for supporting electromagnet windings placed concentrically relative to said body, and an annular rotor armature placed concentrically relative to the stator structure, leaving an airgap relative thereto. The annular body includes at least one radial slot associated with clamping means, and includes a set-back portion in its face facing towards the stator structure. The face of the annular body facing towards the stator structure includes a sliding surface that co-operates with a facing portion of said sheath, and the set-back portion of the annular body presents a threaded portion that co-operates with a threaded portion of an adjustment ring engaged in an annular groove formed in the face of the sheath that faces towards the body. The adjustment ring is prevented from moving in the axial direction in said annular groove. | 2012-02-02 |
20120025649 | MOTOR MOUNTING PLATE - A motor mounting plate, composed of a metallic plate, includes: a disc-shaped plate body having a mounting portion to which a motor is mounted, and at least three flanges formed at a circumferential edge of the plate body, the flanges mounted at predetermined locations, an angle between adjacent flanges around the center of the plate body is 140° to 180°. | 2012-02-02 |
20120025650 | System and Method for Power Purifying - A system and method for power purification is provided. The system contains a power source. A motor is connected to the power source. A plurality of rotating elements is provided, each rotatable about a primary axis, wherein each of the plurality of rotating elements supports at least one magnet, wherein each of the magnets is located along a common plane. A first rotating element of the plurality of rotating elements is mechanically connected to the motor. At least one flywheel element is mechanically connected to each of the plurality of rotating elements. At least one output device is mechanically connected to at least one of the plurality of rotating elements. | 2012-02-02 |
20120025651 | SINTERED MAGNET AND ROTATING ELECTRIC MACHINE USING SAME - A sintered magnet according to the present invention is a sintered magnet configured from a magnetic powder grain having Nd | 2012-02-02 |
20120025652 | GENERATOR - The generator comprises a stator ( | 2012-02-02 |
20120025653 | AGGREGATE MAGNETIZATION SKEW IN A PERMANENT MAGNET ASSEMBLY - A permanent magnet for use in an electro-dynamic machine. The permanent magnet has a longitudinal axis and a plurality of ferromagnetic ring members arranged in a co-axial stack. Each ring member has a plurality of arcuate magnetic poles arranged around a circumference of the ring members. The ring members are magnetized such that a pole boundary between each pair of magnetic poles is skewed at an angle Φ, where Φ is non-parallel to the longitudinal axis. | 2012-02-02 |
20120025654 | ROTOR OF A PERMANENT MAGNET SYNCHRONOUS MACHINE - A rotor for a permanent magnet synchronous machine includes a basic body defining a center. Permanent magnets are arranged on a circumferential surface of the basic body to thereby form magnetic poles. Each magnetic pole is formed in a circumferential direction by at least two permanent magnets and defined by a pole center and a pole edge, wherein the pole edge is spaced from the center of the basic body at a distance which is smaller than a distance of the pole center to the center of the basic body. Positioned in sections between the pole centers of adjacent pole are filling elements, with a banding securing the filling elements on the permanent magnets in such a way that the rotor has a substantially cylindrical circumferential surface. | 2012-02-02 |
20120025655 | MOTOR ROTOR AND MOTOR HAVING THE MOTOR ROTOR - A motor rotor includes an annular body and a magnetic body installed on an inner lateral surface of the annular body. The magnetic body has a first curved surface and a second curved surface opposing the first curved surface. The magnetic body props against the inner lateral surface of the annular body via the first curved surface. The first curved surface has a first curvature less than a second curvature of the second curved surface. Because the magnetic body of the motor rotor has an uneven thickness, and an air gap interval formed between the motor rotor and the stator also has an uneven width, forces applied to a region where the magnetic forces change directions are smooth. Therefore, the vibration of the whole motor is reduced, and the noises are suppressed effectively. | 2012-02-02 |
20120025656 | UNIVERSAL MOTOR - A universal motor includes a wound rotor and a stator. The stator has stator windings and a stator core. The stator core has at least two poles with the stator windings wound thereon and a yoke connecting the poles. Each pole has a neck and a pole shoe forming a continuous pole arc facing the rotor. The ratio of the diameter of the rotor to the width of the stator core measured across the poles is between 0.65˜0.95. | 2012-02-02 |
20120025657 | VEHICLE AC GENERATOR - In order to provide a vehicle AC generator capable of easily setting an attachment direction of a battery terminal and reducing the total shaft length of the generator, in the vehicle AC generator including a case composed of a front bracket and a rear bracket, and a rotor and a stator which are arranged in the case, the vehicle AC generator includes a battery terminal arranged on an outer circumferential portion of the rear bracket, an engaging body provided on the battery terminal, and a plurality of fitting portions to which the engaging body is fitted. | 2012-02-02 |
20120025658 | STATOR - To provide a stator capable of achieving downsizing and high output power and a stator manufacturing method, a stator comprises a split stator core including teeth and slots formed between the teeth, and protrusion-formed coils each being made of a flat rectangular conductor and placed in the slots. Each protrusion-formed coil has a shape including, in a coil end portion, a lead-side protrusion or a non-lead-side protrusion formed to protrude upward in an axial direction of the stator core from a first oblique side portion, a second oblique side portion, a third oblique side portion, and a fourth oblique side portion, and a first oblique side portion, a second oblique side portion, a third oblique side portion, and a fourth oblique side portion. The lead-side protrusion or the non-lead-side protrusion is designed with a height to avoid interference between the protrusion-formed coils placed in the stator core. | 2012-02-02 |
20120025659 | ARMATURE WINDING OF ROTATING ELECTRICAL MACHINE - According to one embodiment, there is provided a 3-phase 2-pole 2-layer armature winding, housed in 72 slots provided in a laminated iron core, a winding of each phase including six parallel circuits separated into two phase belts. Upper coil pieces of first and fourth parallel circuits are placed at 3rd, 4th, 7th, and 12th positions, and lower coil pieces of the first and fourth parallel circuits are placed at 1st, 6th, 9th, and 10th positions, upper and lower coil pieces of second and fifth parallel circuits are placed at 2nd, 5th, 8th, and 11th positions, and upper coil pieces of third and six parallel circuits are placed at 1st, 6th, 9th, and 10th positions, and lower coil pieces of the third and six parallel circuits are placed at 3rd, 4th, 7th, and 12th positions, from the center of a pole. | 2012-02-02 |
20120025660 | MULTIPLE CONDUCTOR WINDING IN STATOR - An electric machine includes a stator disposed about an axis in register with the rotor. The stator has a plurality of slots parallel to the axis. A plurality of windings with generally rectangular cross sections is provided with each winding having a first portion disposed radially inward of a second portion relative to the axis. At least two of the plurality of windings are at least partially inserted into each of the plurality of slots. The plurality of generally rectangular windings in each of the plurality of slots is configured to reduce resistive loss within the stator. | 2012-02-02 |
20120025661 | OUTER-ROTOR SALIENT-POLE CONCENTRATED WINDING MOTOR - An outer-rotor salient-pole concentrated winding motor includes a salient-pole concentrated winding stator and a rotor. The salient-pole concentrated winding stator includes stator core, coils and insulators. The stator core has a plurality of teeth that extend outward in a radial direction of the stator. Each of the insulators includes a projecting engaging portion and a recessed engaging portion. The projecting engaging portion projects outward in the circumferential direction. The recessed engaging portion is formed so that an outer separation wall of the insulator is recessed inward in the circumferential direction. The projecting engaging portion and the recessed engaging portion of adjacent insulators engage with each other when the teeth are inserted into the insulators. | 2012-02-02 |
20120025662 | OUTER ROTOR MOTOR - An outer rotor motor includes a stator and a rotor. The stator includes a stator core having a plurality of teeth, coils and insulators retaining the coils. The insulators are connected to each other in an annular configuration such that the teeth are inserted into the insulators. Each of the insulators includes a body portion and an outer peripheral flange. Each of the insulators further includes an auxiliary tooth portion on at least one of two axial ridge portions. The axial ridge portions include bonding portions between the body portion and the outer peripheral flange. The auxiliary tooth portion includes a rotor-facing surface facing the rotor and a tooth-contacting surface contacting one of the side surfaces in the circumferential direction. | 2012-02-02 |
20120025663 | ROTATING ELECTRIC MACHINE - A rotating electric machine includes a rotor, a stator and a load side bracket. The rotor has an outer rotor surface around a rotational axis. The stator is provided to surround the outer rotor surface. The stator includes a stator core and a stator coil. The stator core has teeth. Each of the teeth is inserted in the stator coil. The stator coil includes a coil end which is provided on a load side of the stator. The stator coil has an inner coil surface facing the teeth, an outer coil surface which is a reverse side of the inner coil surface. One end and another end of the wire are formed on the outer coil surface. The load side bracket has a groove in which the coil end is provided. | 2012-02-02 |
20120025664 | MAGNETIC CIRCUIT STRUCTURE - A magnetic circuit structure, such as a motor, is provided with: a rotor having rotor-side magnetic poles formed on the outer surface; and a stator having stator-side magnetic poles formed on the inner surface. The magnetic circuit structure has an air gap between the outer surface of a rotor-side magnetic pole and the inner surface of a stator-side magnetic pole in the location where the rotor-side magnetic pole and the stator-side magnetic pole face each other. At least one pair of a protrusion and a recess is created so that the outer surface of a rotor-side magnetic pole and the inner surface of a stator-side magnetic pole face each other through the air gap in the direction of the actual line of the rotation axis, and each pair of a protrusion and a recess has two or three steps in the direction of the radius around the rotation axis. | 2012-02-02 |
20120025665 | SINGLE-PHASE BRUSHLESS MOTOR - A single-phase brushless motor, includes: a rotor including plural magnetic poles; a stator disposed facing the rotor via a gap and including the same number of salient poles as that of the magnetic poles; a driving coil wound around the plural salient poles; a salient pole surface having a bevel-shape and provided on each salient pole, the salient pole surface facing the rotor a groove provided at a position between a center and an end in a circumferential direction of each salient pole surface; in which a wave shape of each surface magnetic flux of the plural magnetic poles has a distribution of the surface magnetic flux density composed of sloping portions disposed at both sides of the wave shape and a plane portion disposed between the sloping portions. | 2012-02-02 |
20120025666 | BRUSH DEVICE HAVING A LITZ WIRE FOR AN ELECTRIC MACHINE - A brush device for an electric machine is described, having a brush mount that has a brush which is accommodated in it and having a first integrated litz wire, having a first spring, which prestresses the brush against a commutator. In order to create an E machine having an improved service life, at least one second litz wire is developed integrated into the brush. | 2012-02-02 |
20120025667 | Method for manufacturing a piezoelectric film wafer, piezoelectric film element, and piezoelectric film device - A method for manufacturing a piezoelectric film wafer includes a first processing step for carrying out an ion etching on a KNN piezoelectric film formed on a substrate by using a gas containing Ar, and a second processing step for carrying out a reactive ion etching by using a mixed etching gas containing a fluorine-based reactive gas and Ar after the first processing step. | 2012-02-02 |
20120025668 | Piezoelectric thin film element - A piezoelectric thin film element includes a bottom electrode, a piezoelectric layer, and a top electrode on a substrate. The piezoelectric layer includes, as a main phase, a perovskite-type oxide. The bottom electrode has a surface roughness of not more than 0.86 nm in arithmetic mean roughness Ra or not more than 1.1 nm in root mean square roughness Rms. The bottom electrode has a (111) preferential orientation in a direction perpendicular to the substrate. | 2012-02-02 |
20120025669 | DRIVE APPARATUS - A drive apparatus according to an embodiment includes: a movable unit configured to include a first sliding surface, and slide along the first sliding surface; a vibration generating unit configured to generate vibrations; a vibration transmitting unit configured to include a second sliding surface in contact with the first sliding surface of the movable unit, and transmit the vibrations generated by the vibration generating unit to the movable unit via the first and second sliding surfaces; a pre-pressure applying unit configured to apply pre-pressure to the movable unit via the vibration transmitting unit; and a driving force generating unit configure to generate a driving force for driving the movable unit in a predetermined direction, the driving force being greater than a friction force between the first sliding surface and the second sliding surface when the vibrations are being transmitted to the vibration transmitting unit, the driving force being smaller than the friction force when the vibrations are not being transmitted to the vibration transmitting unit. | 2012-02-02 |
20120025670 | PIEZO DRIVE - The invention relates to a piezo drive, in particular for use in geodesic devices, having at least one piezoelectric motor element that includes an advancing component, a running surface component, and a receptacle for the running surface component, wherein said receptacle is to be connected to a component to be driven, wherein the piezoelectric motor element has a window of operation of the motor as a frequency range of the movement of the advancing component. The running surface component and the receptacle are sized and connected to one another such that the natural resonances of the running surface component lie outside the window of operation of the motor. | 2012-02-02 |
20120025671 | ELECTROCHEMICAL METHODS, DEVICES, AND STRUCTURES - The present invention provides devices and structures and methods of use thereof in electrochemical actuation. This invention provides electrochemical actuators, which are based, inter-alia, on an electric field-driven intercalation or alloying of high-modulus inorganic compounds, which can produce large and reversible volume changes, providing high actuation energy density, high actuation authority and large free strain. | 2012-02-02 |
20120025672 | PIEZOELECTRIC VIBRATING DEVICES HAVING CONTROLLED INTERNAL ENVIRONMENT, AND METHODS FOR MANUFACTURING SAME - Methods are disclosed for manufacturing piezoelectric vibrating devices that do not acquire unwanted gas or water vapor inside their respective packages during manufacture and that attain such end by methods suitable for mass-production. An exemplary manufacturing method includes preparing a piezoelectric wafer having multiple piezoelectric frames; on the piezoelectric wafer defining at least one first through-hole per frame; preparing a base wafer having multiple package bases alignable with the frames; on the base wafer defining at least one second through-hole; preparing a lid wafer having multiple package lids alignable with the frames; applying a sealing material between a first main surface of each frame and an inner main surface of the base wafer, and between a second main surface of each frame and an inner main surface of the lid wafer; and thereby bonding the three wafers together to form multiple packaged piezoelectric devices. To facilitate ventilation of gas from inside each package during bonding, each package includes at least one communicating groove extending from inside the package to the first or second through-hole. After venting, the communicating groove is sealed automatically with sealing material. | 2012-02-02 |
20120025673 | QUARTZ CRYSTAL DEVICE AND METHOD FOR SEALING THE SAME - A quartz crystal device includes a crystal resonator element and a package including a plurality of components. The plurality of components are bonded using a metal paste sealing material containing a metallic particle having an average particle size from 0.1 to 1.0 μm, an organic solvent, and a resin material in proportions of from 88 to 93 percent by weight, from 5 to 15 percent by weight, and from 0.01 to 4.0 percent by weight, respectively, to hermetically seal the crystal resonator element in the package. | 2012-02-02 |
20120025674 | PIEZOELECTRIC POLYMER MATERIAL, PROCESS FOR PRODUCING SAME, AND PIEZOELECTRIC ELEMENT - The invention provides a piezoelectric polymer material including a helical chiral polymer having a weight average molecular weight of from 50,000 to 1,000,000 and having optical activity, the piezoelectric polymer material having a piezoelectric constant d | 2012-02-02 |
20120025675 | PIEZOELECTRIC VIBRATOR ELEMENT AND METHOD OF MANUFACTURING THE SAME - A piezoelectric vibrator element provided by performing wet etching on a piezoelectric substrate includes: a thin-wall section including a vibrating section; a thick-wall section thicker than the thin-wall section; and a slit section penetrating in a thickness direction, wherein the slit section is disposed in an area intervening between the thin-wall section and the thick-wall section. | 2012-02-02 |
20120025676 | FAN EMBEDDED POWER GENERATOR - A power generator, such as a permanent magnet alternator (“PMA”) or a permanent magnet generator (“PMG”), may be used to provide electric power to a deicing system, for example. The power generator is embedded within a spinner, and may be in communication with a locally mounted electronic control unit (“ECU”). | 2012-02-02 |
20120025677 | DIRECT-CURRENT MOTOR AND HUB UNIT - In a motor, a motor case includes a first case and a second case separable from each other in a direction of an axis of a rotation shaft of a rotor. The first case and the second case each have cut-away portions extending parallel to the axis from a separation edge (open side edge) thereof. The separation edges of the first and second cases each have abutment portions not formed with the cut-away portions, and the abutment portions of the first case respectively abut against the abutment portions of the second case. The cut-away portions cooperatively define a plurality of windows disposed in a periphery of the motor case. The stator has a plurality of bulges projecting radially outward from a peripheral surface thereof in association with the windows. | 2012-02-02 |
20120025678 | Imaging Module - An imaging module includes a front case which is configured to mount a lens unit on a subject side, a rear case which is mounted to the front case and configured to seal an imaging substrate in an interior space between the rear case and the front case, and a bracket mounted to the rear case. The rear case is mounted to the front case with first screws which is screwed into screw fastening holes and first screw fastening through-holes, and the bracket is mounted to the rear case with second screws, which are screwed into the first screw fastening through-holes and second screw fastening through-holes and have a diameter larger than that of the first screws. | 2012-02-02 |
20120025679 | Sealing system - A sealing system ( | 2012-02-02 |
20120025680 | HOUSING STRUCTURE - A housing structure includes a housing, a holding member, a first stop portion and a second stop portion. The housing has an accommodating space. The holding member, movably disposed in the accommodating space between a first position and a second position, includes an operating portion and a limiting portion connected with the operating portion. The first stop portion is disposed in the accommodating space, and the second stop portion is disposed in the accommodating space and below the first stop portion. When the holding member is in the first position, the operating portion abuts the first stop portion, and when the holding member is in the second position, the limiting portion abuts the second stop portion. | 2012-02-02 |
20120025681 | ADJUSTABLE CABINET - A representative adjustable cabinet includes a bottom section, a top section, a release mechanism, and a ladder component. The bottom section includes a top wall. The top section is positioned above the bottom section and includes at least one side wall. The release mechanism is placed at the top wall and includes at least one bar that extends horizontally along a plane of the top wall. The ladder component is placed at the at least one side wall of the top section and engages the at least one bar of the release mechanism to facilitate adjusting the top section downward and upward in relation to the bottom section. | 2012-02-02 |
20120025682 | FOLDABLE DEVICE - An exemplary foldable device includes a main body, a cover coupling a display unit, and a hinge mechanism rotatably connecting the cover to the main body. The main body includes a first connecting rod defining a first connecting hole and a second connecting rod defining a second connecting hole. The hinge mechanism includes two support plates, a rotary member, and a rotary shaft. The two support plates are fixed to the first connecting rod. The rotary member is rotatably positioned between the two support plates and defines a through hole. The rotary shaft includes a first end that extends through the through hole of the rotary member and can be fitted into the first connecting hole or the second connecting hole, and an opposite second end fixed to the cover. Thus the cover can be rotated about the first connecting rod or the second connecting rod. | 2012-02-02 |
20120025683 | EQUIPMENT ENCLOSURE KIT AND ASSEMBLY METHOD - An equipment enclosure for housing electronic components includes a front assembly having a front frame, the front assembly defining a front of the enclosure, and a rear assembly having a rear frame. The enclosure further includes at least two side brace members, each side brace member having a first end and a second, opposite end. A first connector is configured to releasably connect the first end of one of the side brace members to the front frame. A second connector is configured to releasably connect the second end of the one of the side brace members to the rear frame. Other embodiments and methods are further disclosed. | 2012-02-02 |
20120025684 | Mobile Electronic Device Positioning Unit - A mobile device positioning unit is provided that is designed to operably interconnect to a mobile electronic device storage case. Upon actuation of triggers, or similar actuation mechanisms, associated with a palm grip of the unit, the positioning unit is able to transition along the length of the mobile device or rotate relative thereto. The unit may be selectively or partially disconnected from the storage case to provide a stand that allows the mobile electronic device to be propped up. | 2012-02-02 |
20120025685 | Self-Closing Barrier Screen - There is described a horizontally slidable self-closing screen assembly which comprises at least one screen material connected to a roller biasing the screen to an open position, the roller being operably connected to a counterweight and wherein the load provided by the weight is greater than the force provided by the roller biasing the screen. There are also described a housing unit containing the slidable screen assembly and a cabinet fitted with such a housing unit. | 2012-02-02 |
20120025686 | Domestic Appliance with Concealed Hinge - A domestic appliance for built-in installation, comprising: a housing having at least two sides; a front door; a hinge mechanism, provided at or adjacent one of the sides, coupling the door to the housing and permitting relative movement thereof, wherein the door is movable between a first position, in which the door is closed, and a second position, in which the door is fully open; and/or wherein the hinge is so shaped and dimensioned whereby, in use, the extent of protrusion of the door laterally beyond said one side when the door is in said second position is less than or equal to that when the door is in said first position. Preferably, the hinge mechanism is shaped and arranged whereby double movement, for example both rotational and translational movement, of the door relative to the housing is facilitated during movement between said first position and said second position. | 2012-02-02 |
20120025687 | LED LAMP WITH FLOW GUIDE FUNCTION - An LED lamp with a flow guide structure guides external air to dissipate heat from the LED lamp includes a lamp base, a heat dissipating body, a heat dissipating plate and an LED module installed in the lamp base, and heat dissipating holes formed on the lamp base. The heat dissipating body includes heat dissipating fins, and a heat dissipating passage defined between any two fins and disposed corresponding to the heat dissipating hole. The LED module is in a thermal contact with the heat dissipating plate. The heat dissipating plate is attached onto the heat dissipating fins and includes openings. A flow guide plate is formed at a lateral edge of each opening and extended from the heat dissipating plate for guiding external air into the heat dissipating passage and out from the heat dissipating hole to expedite a natural convection in the lamp and prevent a thermal aggregation. | 2012-02-02 |
20120025688 | LIGHT SOURCE DEVICE - A start assisting light source is configured such that it can be mounted simply and reliably at a position capable of efficiently radiating UV-light for enhancing the starting performance of a high pressure discharge lamp to discharge chamber without being heated to a high temperature during lighting of the lamp and also adopted to a simple constitution of not increasing the manufacturing cost. A start assisting light source includes an airtight vessel filled with a rare gas and a pipe member that penetrates through the vessel is mounted to an electrode lead which protrudes from the end face of an electrode seal portion secured to a bottom hole of the concave reflector by inserting the electrode lead through the pipe member. | 2012-02-02 |
20120025689 | Prechamber spark plug - The invention refers to a prechamber spark plug comprising an ignition electrode with several electrode arms. The ignition electrode is made of a cross-shaped blank that is cut out of sheet metal and then the electrode arms are set upright by bending. The sheet metal is made of iridium or an iridium-based alloy by rolling in a rolling direction and the ignition electrode blank is cut out in such a way that an angle of 50° or less is present between each of the electrode arms and the rolling direction (W). | 2012-02-02 |
20120025690 | Spark plug and its method of production - The invention describes a spark plug, which comprises an inner conductor, an insulator enclosing the inner conductor, a spark plug body enclosing the insulator and two electrodes forming a spark gap. The first electrode is a center electrode connected to the inner conductor in an electrically conductive manner and the second electrode is a ground electrode connected to the spark plug body in an electrically conductive manner. At least one of the electrodes has a precious metal region, adjoining the spark gap and consisting predominantly of platinum, iridium or an alloy of both and containing additionally at least one brittle metal. The precious metal region consists of a base material predominantly containing platinum and/or iridium, which comprises a coating with a brittle metal, which is more brittle than the base material. | 2012-02-02 |
20120025691 | SPARK PLUG - Peeling resistance of a noble metal chip is improved by reducing a difference in the thermal stress generated between the noble metal chip and a ground electrode. A spark plug | 2012-02-02 |
20120025692 | ELECTRODE MATERIAL FOR USE WITH A SPARK PLUG - A spark plug for an internal combustion engine has a center electrode, a ground electrode or both that includes an electrode material that is a Pt-based alloy. The electrode material may include platinum (Pt), at least one active element like aluminum (Al) or silicon (Si), and at least one high-melting point element such as ruthenium (Ru), iridium (Ir), tungsten (W), molybdenum (Mo), rhenium (Re), tantalum (Ta), niobium (Nb), chromium (Cr), or a combination thereof. In at least some of the disclosed alloys, the aluminum (Al) and/or silicon (Si) contributes to the formation of a thin protective oxide layer on a surface of the electrode material. | 2012-02-02 |
20120025693 | ANODE OF AN ARC PLASMA GENERATOR AND THE ARC PLASMA GENERATOR - An anode of an arc plasma generator and the arc plasma generator are disclosed. The plasma generator is a multi-stage gas admission type arc plasma generator, and the plasma generator includes a cathode and an anode. The anode comprises at least two portions ( | 2012-02-02 |
20120025694 | CHRISTMAS LAMP - A Christmas lamp comprises an LED lamps, a lamp stem connected with the LED lamp and a lamp holder in which the lamp stem is arranged, wherein the lamp holder is internally provided with a conductive element electrically connected with wires, the LED lamp is connected with the conductive element through the lamp stem, the conductive element comprises a first conductive element and a second conductive element which are positioned at the left side and the right side in the lamp holder, the lower part of the lamp stem is provided with a protruded end, the protruded end is clamped between the two conductive elements, the two lamp bases of the LED lamp are respectively contacted with and conductive with the two conductive elements, the inner wall of the lamp holder is provided with an elastic element which can enable the two conductive elements to be contacted with and conductive with current when the lamp stem is pulled out. The Christmas lamp of the utility model ensures the normal work of the Christmas lamps of whole string lamp, after the LED lamp has faults and is pulled out, under the action of the elastic element, the two conductive elements can be mutually contacted or contacted with the current through a sheet metal I and a sheet metal II to be conductive with the current, so that the normal work of other Christmas lamps of the string lamp can be ensured; at the same time, compared with the similar lamps, the structure of the Christmas lamp is easy to install and manufacture, and is suitable for the batch production, and the Christmas lamp with the structure is of small size, light weight, and can save the production cost. | 2012-02-02 |
20120025695 | COLOR-TEMPERATURE-TUNABLE DEVICE - A color-temperature-tunable device comprises a first light emitting diode (LED) chip group comprising at least one first blue LED chip that emits a first light having a first peak wavelength, a second LED chip group comprising at least one second blue LED chip that emits a second light having a second peak wavelength different from the first peak wavelength, and a wavelength converting layer above at least a portion of the first LED chip group and a portion of the second LED chip group. The first LED chip group and the second LED chip group are driven by a first driving current and a second driving current, respectively. | 2012-02-02 |
20120025696 | PHOSPHOR COATING FOR IRREGULAR SURFACES AND METHOD FOR CREATING PHOSPHOR COATINGS - Microstructured, irregular surfaces pose special challenges but coatings of the invention can uniformly coat irregular and microstructured surfaces with one or more thin layers of phosphor. Preferred embodiment coatings are used in microcavity plasma devices and the substrate is, for example, a device electrode with a patterned and microstructured dielectric surface. A method for forming a thin encapsulated phosphor coating of the invention applies a uniform paste of metal or polymer layer to the substrate. In another embodiment, a low temperature melting point metal is deposited on the substrate. Polymer particles are deposited on a metal layer, or a mixture of a phosphor particles and a solvent are deposited onto the uniform glass, metal or polymer layer. Sequential soft and hard baking with temperatures controlled to drive off the solvent will then soften or melt the lowest melting point constituents of the glass, metal or polymer layer, partially or fully embed the phosphor particles into glass, polymer, or metal layers, which partially or fully encapsulate the phosphor particles and/or serve to anchor the particles to a surface. | 2012-02-02 |
20120025697 | Triazole Derivative, Heterocyclic Compound, Light-Emitting Element, Light-Emitting Device, Electronic Device and Lighting Device - A substance that facilitates hole injection and has high triplet excitation energy is provided. A light-emitting element having high emission efficiency is provided. A light-emitting element driven with a low voltage is provided. Or a light-emitting element having a long lifetime is provided. Provided is a light-emitting element including a triazolo[4,3-f]phenanthridine derivative or a triazolo[3,4-a]isoquinoline derivative. Provided is a triazolo[4,3-f]phenanthridine and triazolo[3,4-a]isoquinoline derivatives, which are novel and can be used for the light-emitting element. | 2012-02-02 |
20120025698 | PHENYL AND FLUORENYL SUBSTITUTED PHENYL-PYRAZOLE COMPLEXES OF Ir - The invention provides emissive materials and organic light emitting devices using the emissive materials in an emissive layer disposed between and electrically connected to an anode and a cathode. The emissive materials include compounds with the following structure: | 2012-02-02 |
20120025699 | ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE - An organic EL display device including organic EL light-emitting regions which includes a red-light emitting layer, a green-light emitting layer, and a blue-light emitting layer that are arranged on a main substrate includes: a first light-adjusting layer including a first portion and a second portion, the first portion selectively transmitting desired blue light, and the second portion absorbing visible light other than at least the desired blue light; and a second light-adjusting layer selectively absorbing light with a wavelength between desired red light and desired green light at an entire surface, in which the blue light-emitting layer is overlaid with the first portion, and a bank which is a non-light emitting portion is overlaid with the second portion. The first portion and the second portion may be integrally formed of a same material, and the second portion may absorb an entire range of visible light. | 2012-02-02 |
20120025700 | DISPLAY DEVICE AND ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE - An embodiment provides an organic light emitting diode display device that includes a substrate; a display unit formed on the substrate and including a common power supply line and a common electrode; a sealing substrate attached to the substrate by a bonding layer which surrounds the display unit, the sealing substrate including a resin base and a carbon fiber, and the sealing substrate including a first through-hole and a second through-hole; a first conductive unit formed on an inner surface and an outer surface of the sealing substrate through the first through-hole, and the first conductive unit supplying a first signal to the common power supply line; and a second conductive unit formed on both the inner surface and the outer surface of the sealing substrate through the second through-hole, and the second conductive unit supplying a second signal to the common electrode. | 2012-02-02 |
20120025701 | OLED DEVICE WITH AESTHETICAL APPEARANCE - The invention relates to an OLED device ( | 2012-02-02 |
20120025702 | ELECTRICAL LAMP HAVING SEAL AND METHOD FOR PRODUCTION - An electrical lamp may include a bulb made of glass which surrounds a volume; illumination means extending into the volume and a filling being accommodated in the volume; the illumination means being fastened at least by means of a supply line in the wall of the bulb and being sealed there; wherein at least one part of the axial length of the supply line is surrounded inside the wall by a prevention structure, which is present in the glass itself. | 2012-02-02 |
20120025703 | DEVICE FOR GENERATION OF MICROWAVES - The invention relates to a device for generation of microwaves comprising a coaxial virtual cathode oscillator ( | 2012-02-02 |
20120025704 | OPTICAL MODULE - According to one embodiment, an optical module includes a light emitting device, a driver IC, a first lead, a ground lead, a second lead, an input lead, and a power supply voltage lead. A second electrode of the light emitting device is supplied with a voltage on a ground side from a second pad through the first lead. A first electrode is supplied with a voltage on a power supply side from the power supply voltage lead or from a first pad through the second lead. | 2012-02-02 |
20120025705 | LED BULB - An LED bulb includes a bulb head, a bulb body mounted on the bulb head, and a heat dissipation seat connected to the bulb head, disposed within the bulb body, and defining a receiving space. A control circuit unit is disposed in the receiving space, and is connected electrically to the bulb head. An LED module is connected to and is disposed externally of the heat dissipation seat, and is connected electrically to the control circuit unit. | 2012-02-02 |
20120025706 | LED LAMP WITH REPLACEABLE LIGHT UNIT - An LED lamp with replaceable light unit according to the invention includes a heat dissipation housing, a metal connector, a driver circuit board, a light unit slice, a pad and a shade. The heat dissipation housing has an opening at one end and a joint portion at another end. The metal connector is disposed to the joint portion of the heat dissipation housing. The driver circuit board disposed inside the heat dissipation housing to electrically connect with metal connector. The light unit slice and the pad are disposed inside the opening, and the light unit slice is electrically connected with the driver circuit board. The shade is disposed inside the opening. The LED lamp with replaceable light unit can be realized by the assembly of the above elements according to the different preferred embodiment of the present invention. | 2012-02-02 |
20120025707 | LED LAMP - The present invention relates to illuminating techniques, and provides an LED lamp includes a lamp body, an LED lath inside the lamp body, plug modules disposed at both ends of the lamp body, and driving powers electrically connected the LED lath with the plug modules. The lamp body includes a heat dissipating cover and a light-transmissive cover which are connected with each other. The LED lath includes a lath and a plurality of LEDs disposed along the length direction of lath. The end LEDs disposed at the both ends of the lath have light-emitting surfaces which are inclined and irradiated to the driving power. For the LED lamp provided in the present invention, each end LED disposed at the end of the lath has an inclined light-emitting surface. Accordingly, the light emitting from the end LEDs at the both ends could irradiate to the driving powers at the both ends, and thus avoiding the shadow of LED lamp, and improving the emitting effect. | 2012-02-02 |
20120025708 | LIGHT EMITTING DIODE BULB USING THERMAL CONDUCTOR - An LED bulb using a thermal conductor. The LED bulb includes an LED module having a PCB on which at least one LED element is mounted. A housing has a plurality of heat dissipating protrusions which protrude from an outer circumferential surface thereof, and is made of a thermal conductor, with a thread being formed on a predetermined portion of the housing. A light transmitting cover has a thread by which the cover can be fastened to the thread which is formed on the predetermined portion of the housing, in a threaded manner. An inverter supplies a direct current to the LED module. A heat dissipating plate is provided between the LED module and the housing to dissipate heat generated by the LED element. A socket is fastened to the housing. | 2012-02-02 |
20120025709 | TRI-LIGHT - A lighting arrangement includes a light fixture including a plurality of light sources wherein each light source is configured to generate a different color light when energized; and a circuit arrangement included in the light fixture and operatively interposed between the plurality of light sources and a source of electrical power. This circuit arrangement is responsive to brief interruptions in the supply of electrical power of less than a predetermined period to simultaneously de-energize all of the light sources for a full duration of the interruption and to subsequently toggle energization from one light source to the next and thereby produce different color light in response to the cessation of the brief interruption. | 2012-02-02 |
20120025710 | Hall-current ion source with improved ion beam energy distribution - A Hall-current ion source with a narrow ion beam energy distribution is presented. A narrow ion beam energy distribution is provided by a utilization of a multi-chamber anode through which a working gas is applied and delivers a uniform working gas distribution in a discharge channel. Introduction of a working gas through a lower part of anode makes applied electric potential in a narrow area and leading to enhanced conditions for a working gas ionization, high ion beam current, high translation of a discharge voltage into a “monochromatic” ion beam mean energy distribution. A multi-chamber anode with a slit exit for introduction of a working gas into area under anode is utilized to prevent a backflow of insulating and dielectric depositions on anode parts, and under anode area makes a nominal operation with reactive gases without a phenomenon called as “anode poisoning” during long operating hours. The ion source with a shielded Hot Filament design shows very effective ion beam neutralization properties; it produces less heating of the substrate than a traditional one; it has a cleaner ion beam because its beam is not contaminated by the Hot Filament material particles. In the design with two Hot Filaments the ion source operation is extended for tens of hours. | 2012-02-02 |
20120025711 | SOLID STATE OUTDOOR OVERHEAD LAMP ASSEMBLY - An outdoor overhead lamp assembly uses light emitting diodes to provide illumination for an area to be illuminated. The lamp assembly includes a unitary housing, which may be formed from a single casting. The housing includes mechanical mounting structure for mounting the housing to a mast arm. The housing includes an electrical compartment for housing electrical components and connections. Heat sink fins are formed on the integral housing that provide for thermal control of the electronic components and LED modules within the lamp assembly. The LED modules are mounted to aiming platforms within an optical compartment for the assembly. An external lens provides environmental protection for the LEDs and their individual lenses. The housing may also include structures for mounting decorative coverings or “skins” to accommodate different aesthetic requirements. | 2012-02-02 |
20120025712 | BACKLIGHT MODULE OF LIQUID CRYSTAL DISPLAY DEVICE - The disclosure provides a backlight module applied to a liquid crystal display device. The backlight module includes: a control circuit for outputting a driving signal according to an analog adjustment signal or a digital adjustment signal; a driving circuit for outputting a lamp voltage according to the driving signal; a fluorescent lamp set, including a plurality of lamps, for receiving the lamp voltage and thereby generating a lamp current; a lamp feedback circuit c for outputting a feedback signal according to the lamp voltage; and a dynamic protection circuit, for dynamically adjusting a protection command signal according to the analog dimming signal or the digital dimming signal, comparing the protection command signal and the feedback signal and thereby outputting a comparing result signal to the control circuit. | 2012-02-02 |
20120025713 | System using shunt circuits to selectively bypass open loads - According to an exemplary embodiment, a shunt circuit includes a floating shunt switch configured to bypass at least one load, for example at least one LED, among a plurality of series-connected loads, such as a plurality of series-connected LEDs in a lighting system, responsive to a high-side control signal. The at least one load has terminals connected across the shunt circuit. The shunt circuit further includes a high-voltage level-shift up circuit configured to shift a low-side control signal up to the high-side control signal using a voltage of at least one of the terminals of the at least one load. The floating shunt switch can be configured to bypass the at least one load responsive to a failure of the at least one load. | 2012-02-02 |
20120025714 | HIGH-STABILITY LIGHT SOURCE SYSTEM AND METHOD OF MANUFACTURING - A light source system and method that generates stable optical power over time and temperature for use in laser scanning, turbidity sensing, airborne-particle analysis, fog and visibility monitoring, blood-gas analysis and applications where light source output intensity changes less than one-half percent over a 50° C. range. The system includes a miniature semiconductor light emitter that can be powered by two AAA alkaline batteries for more than 100 hours and is about 1 cm | 2012-02-02 |
20120025715 | STABLIZED LIGHT SOURCE HAVING LUMINANCE FEEDBACK CONTROL - An optical lighting apparatus having a constant luminance with a drive current controlled by a controller unit. A temperature controlled photodetector indirectly monitors the luminance and informs the controller when a change in luminance has occurred so that the controller can make appropriate adjustments to the drive current. Also disclosed is a method of regulating the drive current to a light source to enable the luminance to remain fixed and independent of fluctuations in ambient temperature. A temperature compensated photodetector senses the amount of light reflected off a diffuser lens and feeds back the output to a controller circuit which regulates the drive current to the light source. The lighting apparatus has application in calibrating imaging systems, such as digital cameras, and for scanning devices. | 2012-02-02 |
20120025716 | BACKLIGHT DEVICE AND DISPLAY DEVICE - Disclosed is a backlight device that suppresses the increase of maximum power consumption. A light-emitting unit ( | 2012-02-02 |
20120025717 | INTELLIGENT LIGHTING CONTROL SYSTEM - Multiple control modules ( | 2012-02-02 |
20120025718 | LIGHTING APPARATUS - The present design relates to a lighting apparatus which ensures consistent illumination of constant brightness during darkness or in unlit areas. The lighting apparatus comprises: a lamp unit including a plurality of main lamps and a plurality of auxiliary lamps; a detection sensor unit composed of a sensor for detecting a motion of an object; and a controller for controlling operations of the lamp unit and the sensor unit, wherein the auxiliary lamp is adapted to stay turned on at all times, and the main lamp, which operates independently of the auxiliary lamp, is adapted to be turned on if the detection sensor detects a signal, and the controller is adapted to control ON/OFF of the lamp unit according to a signal detected by the detection sensor and to adjust brightness of the entire lamp unit. While the auxiliary lamps stay turned on all the time, the plurality of main lamps are turned on only if the detection sensor detects a signal and are turned off sequentially if a signal for an object in motion is no longer detected. Accordingly, a lighting configuration of constant brightness is consistently provided during darkness or in unlighted areas. This configuration prevents accidents and alleviates feelings of insecurity for persons moving about in a building. | 2012-02-02 |
20120025719 | LED Tube and Drive Circuit thereof - This present invention provides a lighting system. The lighting system is disposed in a lamp holder. The lighting system includes a transparent tube, a lighting module, two covers and a drive circuit. The lighting module is located inside the transparent tube. The lighting module includes a plurality of light emitting diodes (LEDs) formed in a substrate. Two covers seals two end of the transparent tube. The drive circuit is located outside the transparent tube to drive the lighting module. | 2012-02-02 |
20120025720 | POWER SUPPLY APPARATUS AND METHOD FOR A BACKLIGHT SYSTEM - A power supply system includes a transformer having a primary winding on its primary side for coupling to a power source and one or more secondary windings on its secondary side. A first control circuit is disposed on the primary side of the transformer for controlling a current flow in the primary winding. A second control circuit disposed on the secondary side of the transformer, and the second control circuit is configured to provide a regulated output voltage. In the power supply system, the first control circuit is configured to generate a control signal for controlling the current flow in the primary winding without using a feedback control signal from the secondary side of the transformer. | 2012-02-02 |
20120025721 | BACKLIGHT MODULE - The present invention provides a backlight module, and the backlight module has an LED module which has a plurality of light emitting diodes averagely divided into a plurality of light strings. Forward voltages of the light emitting diodes are between a minimum forward-voltage value and a maximum forward-voltage value, and each of the light strings at least has one first light emitting diode and one second light emitting diode. The first light emitting diode has the minimum forward-voltage value and the second light emitting diode has the maximum forward-voltage value. The backlight module is contributive to lower power loss on a constant current control circuit. | 2012-02-02 |
20120025722 | SECONDARY-SIDE ALTERNATING ENERGY TRANSFER CONTROL WITH INVERTED REFERENCE AND LED-DERIVED POWER SUPPLY - A single magnetic storage element is used to provide power to multiple lighting devices, which may be strings of light-emitting diodes (LEDs) of different color. A switching circuit controls alternating application of energy among the multiple lighting devices and another switching circuit may charge the primary winding to different energy levels to control the intensity of the multiple lighting devices. In particular, the multiple lighting devices may be controlled to provide a desired color profile while dimming the lighting devices, while requiring only a single magnetic storage element for supplying energy to the lighting devices. | 2012-02-02 |
20120025723 | Systems and Methods for Controlling a Solid State Lighting Panel - Provided are systems and methods for controlling a solid state lighting panel. A system according to some embodiments of the invention includes a controller that provides control signals to current drivers that are configured to provide current to multiple solid state lighting devices. The system also includes a sequence generator that generates a firing sequence for firing multiple strings of slid state lighting devices. | 2012-02-02 |
20120025724 | Coordinated Dimmer Compatibility Functions - A system and method includes a controller that is configured to coordinate (i) a low impedance path for a dimmer current, (ii), control of switch mode power conversion and (iii) an inactive state to, for example, to allow a dimmer to function normally from cycle to cycle of an alternating current (AC) supply voltage. In at least one embodiment, the dimmer functions normally when the dimmer conducts at a correct phase angle indicated by a dimmer input setting and avoids prematurely resetting while conducting. In at least one embodiment, by coordinating functions (i), (ii), and (iii), the controller controls a power converter system that is compatible with a triac-based dimmer. In at least one embodiment, the controller coordinates functions (i), (ii), and (iii) in response to a particular dimming level indicated by a phase cut, rectified input voltage supplied to the power converter system. | 2012-02-02 |
20120025725 | POWER CONVERTER - The present invention includes a first DC converter converting AC voltage, into DC voltage while correcting a power factor, and a second DC converter electrically isolating the first DC converter from an LED group load, and converting the DC voltage, into a predetermined DC voltage and supply the resultant voltage to the LED group load. The second DC converter includes a current detection circuit disposed on the secondary side, and detecting current flowing into the LED group load, an error amplifier amplifying an error between a detected current value detected and a reference current value, a signal transmission isolation element transmitting a control signal based on an output signal from the error amplifier, to the primary side, and a switching element transferring power to the secondary side through the transformer by being turned on/off according to the control signal. | 2012-02-02 |
20120025726 | REVERSED-POLARITY PULSE GENERATING CIRCUIT FOR DIRECT CURRENT PLASMA AND DIRECT CURRENT PLASMA POWER SUPPLY UNIT - A capacitor is connected between direct current voltage terminals, and inductance means is connected between one end of the capacitor and one of load terminals. In a case in which the direct current voltage exceeds a set value, voltage at both ends of the capacitor is shared by the first and second switching elements that are not electrically conductive; in a case in which the direct current voltage is below the set value, the first and second switching elements are electrically conductive on a periodic basis or as needed to output reversed-polarity voltage between load terminals; and in a case in which the first and second switching elements are turned off, voltage at both ends of the capacitor restricts voltage applied to both ends of the first and second switching elements, during a period in which the first and second feedback rectifier elements are electrically conductive. | 2012-02-02 |
20120025727 | METHOD FOR CONTROLLING LIGHT-EMITTING DIODES - A method and a device for gradually controlling the illuminating light intensity of light-emitting diodes by modulating the width of current pulses of defined duty cycle, using a DC-to-DC voltage converter and a control circuit for switching the supply current of the light-emitting diodes. Prior to switching the power supply of the diodes the DC-to-DC converter is initiated (A), so as to generate voltage pulses of defined duty cycle; the steady state of each pulse is determined (B), so as to generate a voltage pulse (CP) calibrated to a voltage level substantially corresponding to the steady-state level; and then the light-emitting diodes are powered (D) by applying each calibrated pulse to the light-emitting diodes by means of the switchable control circuit. | 2012-02-02 |
20120025728 | HID LAMP IGNITOR - An HID lamp ignitor for a lamp including a transformer ( | 2012-02-02 |
20120025729 | POWERING HIGH-EFFICIENCY LIGHTING DEVICES FROM A TRIAC-BASED DIMMER - A circuit for powering high-efficiency lighting devices from a thyristor-controlled dimmer predicts a zero-crossing time of the AC power line supplying the dimmer and causes a glue impedance to be imposed at the output of the dimmer starting at the time of the zero-crossing, so that the timer in the dimmer will operate properly to generate the turn-on event at the correct time. At turn-on, a lower level of impedance is presented to absorb the energy associated with the turn-on event. A higher level of impedance may be presented after the energy is absorbed until all of the energy needed for the cycle is transferred. Then, a high impedance state is maintained until the next zero-crossing time. The impedance control may be provided by non-uniform operation of a power converter that supplies the lighting devices, or by a combination of non-uniform power converter operation and dissipative loading. | 2012-02-02 |
20120025730 | Circuit Arrangement and Method for Operating a High-Pressure Discharge Lamp - A circuit arrangement for operating a high-pressure discharge lamp ( | 2012-02-02 |
20120025731 | BALLAST FOR HIGH PRESSURE DISCHARGE LAMP - The present invention provides a ballast for a high pressure discharge lamp including a driving circuit for supplying an alternating power to a high pressure discharge lamp. In the ballast of the present invention, the high pressure discharge lamp includes: a bulb; and a startup light source disposed in a vicinity of the bulb and assisting ignition of the bulb. The startup light source has a pair of electrodes which are capacitively coupled. The driving circuit includes: a bridge unit for inverting a lamp current; a current regulator unit for regulating the lamp current; and an igniter unit for generating an ignition voltage. At the ignition, a voltage containing a frequency component higher than a driving frequency during a steady driving of the bulb is applied to the startup light source. | 2012-02-02 |
20120025732 | LIGHT EMITTING DEVICE AND METHOD FOR DRIVING THE SAME - A light emitting device contains organic EL elements of different colors and outputs light emitted from the organic EL elements, in which, when outputting white light, the organic EL element, in which the luminance when light is emitted at a current density at which a luminous efficiency reaches a maximum is lower than that of the organic EL elements of the other colors, among the organic EL elements of different colors emits light with a current having a current density higher than the current density at which the luminous efficiency reaches the maximum and a highest duty among the organic EL elements of different colors, and the organic EL elements of the remaining colors emit light with a current having the current density at which the luminous efficiency reaches the maximum and at a duty lower than the duty. | 2012-02-02 |
20120025733 | DIMMING MULTIPLE LIGHTING DEVICES BY ALTERNATING ENERGY TRANSFER FROM A MAGNETIC STORAGE ELEMENT - A single magnetic storage element is used to provide power to multiple lighting devices, which may be strings of light-emitting diodes (LEDs) of different color. A switching circuit controls alternating application of energy among the multiple lighting devices and another switching circuit may charge the primary winding to different energy levels to control the intensity of the multiple lighting devices. In particular, the multiple lighting devices may be controlled to provide a desired color profile while dimming the lighting devices, while requiring only a single magnetic storage element for supplying energy to the lighting devices. | 2012-02-02 |
20120025734 | LUMINOUS DEVICE WITH CHANGEABLE COLOR AND BRIGHTNESS - A luminous device is provided. The luminous device can be controlled to emit light with different color and brightness. The luminous device is divided into a plurality of areas, a predetermined color and brightness values of the light emitted by the luminous device is stored in data storage of the luminous device. When the luminous device is touched, the luminous device determines the touch area first, and then accesses the corresponding color and luminance value of the determined area from the data storage, and controls the luminous device to emit light with the accessed color and brightness value. | 2012-02-02 |
20120025735 | FLYBACK WITH SWITCHING FREQUENCY RESPONSIVE TO LOAD AND INPUT VOLTAGE - A power source constituted of: a power factor corrector controller; an electronically controlled switch responsive to the power factor corrector controller; a first inductor serially connected with the electronically controlled switch and arranged to pass a direct current there through when the electronically controlled switch is closed; a second inductor magnetically coupled to the first inductor and coupled to provide power to a load in a flyback arrangement; a third inductor magnetically coupled to the first inductor, a first end of the third inductor arranged to provide a representation of the voltage level of the direct current when the electronically controlled switch is closed, and to provide a representation of the voltage level of the power provided to the load when the electronically controlled switch is open; and an off time control circuit in communication with the power factor corrector controller and responsive to the third inductor representations. | 2012-02-02 |
20120025736 | INTEGRATED CIRCUIT SWITCHING POWER SUPPLY CONTROLLER WITH SELECTABLE BUCK MODE OPERATION - An integrated circuit (IC) controller for a switching power supply has a selectable operating mode for supporting multiple switching power supply topologies. The IC controls current by controlling a cycle rate of the switching power supply to provide a constant or variable output current, which may be provided to lighting devices such as light-emitting diodes (LEDs). The selectable operating mode includes at least a buck converter operating mode and another operating mode, which may be a flyback converter operating mode. | 2012-02-02 |
20120025737 | CURRENT MIRROR CIRCUIT - A current mirror circuit duplicates an input current that flows through an input terminal, and outputs an output current via an output terminal. A first transistor, a second transistor, and a diode are sequentially arranged in series between a power supply terminal to which a fixed voltage is applied and an input terminal. A third transistor and a fourth transistor are sequentially arranged in series between the power supply terminal and the output terminal. The gate of the first transistor and the gate of the third transistor are connected to the drain of the second transistor. The gate of the second transistor and the gate of the fourth transistor are connected to the input terminal. | 2012-02-02 |