13th week of 2014 patent applcation highlights part 20 |
Patent application number | Title | Published |
20140084707 | POWER SUPPLY CONTROL DEVICE WITH USER IDENTIFYING FUNCTION AND CONTROL METHOD - A method for controlling connection or disconnection between a load and a power source via a power supply control device with user identifying function is provided. The method includes sensing an encoded signal transmitted by a second antenna of a handset device by a first antenna; decoding the encoded signal by a decoding unit when the decoder outputs a different voltage; and controlling a switching unit to connect the power source to or disconnect the power source from the load, and when the decoding unit successfully decodes the encoded signal. The power supply control device is also provided. | 2014-03-27 |
20140084708 | DATA TRANSMITTING METHOD, DATA TRANSMITTING APPARATUS, AND ENERGY STORAGE SYSTEM INCLUDING THE SAME - An energy storage system configured to be coupled to at least one of a power generation system, a grid, or a load, and including a battery system including a system bus, a system controller coupled to the system bus and configured to transmit one or more first system frames, each of the first system frames including a command, and one or more battery racks coupled to the system bus and configured to transmit one or more second system frames, wherein at least one of the battery racks includes a rack for storing power, and a rack controller for receiving rack data and for transmitting the one or more second system frames, each of the second system frames including the command and at least a portion of the rack data, wherein at least one of the one or more second system frames further includes a second system frame counter. | 2014-03-27 |
20140084709 | STRIP STATOR - A strip stator including: a strip stator core; a plurality of upper end insulation groups; and a plurality of lower end insulation groups. The stator core includes two ends. Each upper end insulation group includes at least two upper end insulations connected together by injection molding. Each lower end insulation group includes at least two lower end insulations connected together by injection molding. The upper end insulation groups and the lower end insulation groups are arranged on the two ends of the strip stator core, respectively. | 2014-03-27 |
20140084710 | VIBRATION ACTUATOR - A cylindrical magnet of an oscillating actuator includes a plurality of divided magnet portions which are magnetized in the radial direction. Since adjacent magnet portions have different poles in the direction of an oscillation axis, magnetic poles do not repel each other when adhering the magnet portions and it is thus easy to adhere the magnet portions to each other. In addition to this construction of the magnet, a coil includes a plurality of divided coil portions corresponding to the magnet portions in the direction of the oscillation axis, and adjacent coil portions are wound in opposite directions to each other. | 2014-03-27 |
20140084711 | ROTATING ELECTRICAL MACHINE FOR VEHICLE - In a rotating electrical machine for vehicle, at least one of a rectifier device, a voltage regulator, and a brush holder includes an external terminal connection portion provided with an insert terminal inserted into resin and an insert nut inserted into the resin and superimposed on the insert terminal. The insert terminal includes a contact portion on a surface on a side opposing the insert nut and the insert terminal and the insert nut are superimposed via the contact portion and inserted into the resin. It thus becomes possible to provide a rotating electrical machine for vehicle provided with constituent components that are free from an inconvenience caused by a variance over time. | 2014-03-27 |
20140084712 | TRANSVERSE FLUX ELECTRICAL MACHINE STATOR COMPONENTS - A phase module of a transverse flux electrical machine (TFEM) includes a pair of halves adapted to receive therein a plurality of cores and a coil therein. The cores are discretely located in the phase with radially angularly distributed core-receiving spaces. The plurality of cores and the coil are secured in the halves with resin. The proximal radial portion of the phase module is bored to define the interior diameter of the phase module. A method of assembling a phase module and a kit thereof are encompassed by the present application. | 2014-03-27 |
20140084713 | Rotating Electric Machine and Method of Manufacturing Same - A rotating electric machine includes: a stator including a stator core, slots provided in the stator core at equal intervals along the circumferential direction, and coils placed in the stator slots and configured to generate a rotating magnetic field; and a rotor rotatably provided with a predetermined rotation gap between the stator core and the rotor, wherein the rotating electric machine further comprising a first varnish applied between the slots in the stator core and the coils for impregnation, and a second varnish applied directly onto enamel coating of the coils outside of the slots in the axial direction, the first varnish is a thermosetting varnish having a shear bond strength of a flat wire between the coils and the varnish is higher than that of the second varnish, and the second varnish is a thermosetting varnish having a glass transition temperature of approximately 104° C. or lower and the glass transition temperature of the second varnish by the DMA method is lower than that of the first varnish. | 2014-03-27 |
20140084714 | HOMOPOLAR MOTOR-GENERATOR - A motor-generator utilizes a multi-part rotor encircling a stator, the rotor including a plurality of rotor segments. | 2014-03-27 |
20140084715 | Switched Reluctance Motor - A switched reluctance motor (SRM) with a rotor shaft defining a rotational axis, a rotor disc extending radially from the rotor shaft, the rotor disc has rotor poles spaced equally circumferentially. The SRM also has a stator arrangement with member stators spaced equally circumferentially and aligned in a common plane perpendicular to the rotational axis and axially spaced from the rotor disc for forming an axial air gap. Every second member stator of the plurality of member stators forms a respective group, so that each member stator of a first group is surrounded by two members of a second group on each side. The stator coils in the first group are connected to a half-wave rectifier arrangement in a forward direction and the stator coils in the second group are connected to the half-wave rectifier arrangement in the reverse direction. | 2014-03-27 |
20140084716 | ROTATING ELECTRICAL MACHINE WITH SO-CALLED DOUBLE HOMOPOLAR STRUCTURE - Homopolar electric machine, characterized in that its structure is double, its rotor and its stator being simultaneously homopolar, and in that it includes a stack of pairs of simple homopolar stators, forming monophasing elementary machines, or in a reverse version, the elementary machines being powered with AC current; the rotor is common to all these stators, and is passive, that is to say composed completely or partially of ferromagnetic materials. | 2014-03-27 |
20140084717 | BRUSHLESS MOTOR AND ELECTRIC-POWERED TOOL - In a brushless motor, a rotor core is fixed to a shaft. Through holes are formed in the rotor core, and permanent magnets are inserted to be fixed in place in the through holes. A stator core is fixed to an outer circumferential surface of the rotor core such that the stator core faces the outer circumferential surface of the rotor core. Stator coils are provided on the stator core via insulators so as to configure magnetic flux generating portions. A cooling fan is provided in front of a stator which is configured by the stator core and the stator coils. Axial position of blades of the fan and axial positions of the rotor core and the permanent magnets partially overlap each other in their positions. | 2014-03-27 |
20140084718 | ELECTRIC TOOLS - An electric tool may include a tool main body configured to be able to mount a battery pack. The tool main body may include an electric motor, a controller for controlling the electric motor, and a centrifugal fan rotatably driven by the electric motor for producing a flow of air. The controller may be positioned such that the flow of air produced by the centrifugal fan is applied to at least a part of the controller. | 2014-03-27 |
20140084719 | POWER CONTROL UNIT - A power control unit that controls a rotary electric machine that drives a vehicle, and that is mounted onto a motor case in which the rotary electric machine is housed, includes a fixed base that is made of resin; a cooler that is arranged on the fixed base and that includes a power module; and a control substrate that is arranged on the cooler. The fixed base inhibits conduction of heat from the motor case to the power control unit. | 2014-03-27 |
20140084720 | PERMANENT MAGNET MODULES AND ROTORS - A permanent magnet rotor comprising a rotor rim and a plurality of permanent magnet modules arranged on the outer or inner circumference of the rotor rim. The permanent magnet modules comprise a base adapted to be fixed to the rotor rim, one or more permanent magnets, and a central magnet support structure. The base and the central magnet support structure comprise a plurality of radial holes. The permanent magnet modules are adapted so that, when bolts are inserted in the radial holes to fix the central magnet support structure to the base, at least a portion of a first and a second surface of each permanent magnet remain substantially in conforming contact with a surface of the base and a surface of the central magnet support structure, respectively. | 2014-03-27 |
20140084721 | MOTOR ASSEMBLY COOLING ARRANGEMENT AND METHOD OF COOLING A MOTOR ASSEMBLY - A motor assembly cooling arrangement includes a first plurality of laminations having a first radially inner surface defining a centrally disposed aperture and a first radially outer surface. Also included is a second plurality of laminations having a second radially inner surface substantially corresponding to the first radially inner surface and a second radially outer surface having a plurality of circumferentially spaced fins extending radially outwardly from the second radially outer surface. Further included is at least one axial cooling channel extending proximate the first radially outer surface and the second radially outer surface, the at least one axial cooling channel defined by the plurality of circumferentially spaced fins. | 2014-03-27 |
20140084722 | LINKED SEMICONDUCTOR MODULE UNIT AND ELECTRONIC CIRCUIT-INTEGRATED MOTOR DEVICE USING SAME - A linked semiconductor module unit links a plurality of semiconductor modules by a first bus bar and a second bus bar, which are embedded in resin parts. The linked semiconductor module unit is disposed in a place other than on a printed circuit board. The semiconductor module linking structure is implemented readily by molding the bus bars together with semiconductor chips and lands to form the resin parts. | 2014-03-27 |
20140084723 | THRUST WASHER FOR AN ELECTRIC MACHINE - The invention relates to a thrust washer ( | 2014-03-27 |
20140084724 | HYDRODYNAMIC BEARING ASSEMBLY AND SPINDLE MOTOR INCLUDING THE SAME - There are provided a hydrodynamic bearing assembly and a spindle motor including the same, the hydrodynamic bearing assembly including a sleeve having a shaft inserted therein, a rotor coupled to an upper portion of the shaft in an axial direction to rotate together with the shaft, and a stopper plate including a horizontal portion coupled to an upper surface of the sleeve in the axial direction and a vertical portion extending downwardly in the axial direction from an outer surface of the horizontal portion to be fixed to an outer surface of the sleeve in an outer diameter direction, and preventing the shaft from floating at a time of rotation of the shaft. | 2014-03-27 |
20140084725 | PERMANENT MAGNET ELECTRICAL MACHINE WITH BEARING RELEASE SYSTEM AND METHOD FOR BEARING REPLACEMENT - A method and apparatus for bearing replacement in an electrical machine is provided. An electrical machine is provided, comprising a stator with at least one stator winding, the stator defining a centre axis, and a rotor comprising magnetic material and having a first end and a second end. The electrical machine further comprises at least one bearing including a first bearing and supporting the rotor in an operational position in relation to the stator allowing the rotor to rotate in relation to the stator about the centre axis, and at least one support element including a first support element and adapted to support the rotor in relation to the stator such that the at least one support element in a support position supports the rotor centred about the centre axis, thereby allowing replacement of the first bearing, the support element in the support position being at least partly positioned between the rotor and the stator in a direction perpendicular to the centre axis. | 2014-03-27 |
20140084726 | CAPLESS MOUNTING FOR MOTOR - A motor is provided for use in a machine. The motor includes a frame having a catch and a mounting ring retained on the frame by the catch. The motor is supported in the machine by the mounting ring. | 2014-03-27 |
20140084727 | ELECTRICAL GENERATOR APPARATUS, SYSTEM, METHOD, AND APPLICATIONS - An electrical generator apparatus, an electrical generator system and a method for generating electricity while using the electrical generator apparatus or the electrical generator system each include at least one hollow tubular arc component (i.e., generally a hollow tubular ring), at least one coil winding surrounding the at least a portion of the at least one hollow tubular arc component and at least one magnet movably located within a bore within the at least one hollow tubular arc component to pass through the at least one coil winding. By effecting a relative motion of the at least one magnet with respect to the at least one coil winding, an electrical output may be generated at the terminals of the at least one coil winding. The electrical generator apparatus, system and method may be particularly useful in generating electricity from water wave motion when the electrical generator apparatus is housed within a watertight enclosure that may serve as a buoy enclosure. | 2014-03-27 |
20140084728 | ROTATING ELECTRICAL MACHINE AND ELECTRIC POWER STEERING SYSTEM USING THE SAME - A concentrated winding motor having the combination of the number of poles and the number of slots of 10:12 or 14:12 includes coils in the same phase that are adjacent to each other and have mutually different numbers of coil turns. | 2014-03-27 |
20140084729 | ELECTRIC ROTATING MACHINE - The electric rotating machine includes a stator having an inner hole, a rotor disposed in the inner hole of the stator with a gap with an inner periphery of the stator and formed with magnet housing holes each housing a permanent magnet as a magnetic pole embedded in the outer periphery of the rotor, and a shaft pressure-inserted into a center hole of the rotor. The rotor includes, for each adjacent two of the magnet housing holes, a beam portion formed radially outside the magnet housing holes, a projecting portion projecting radially inward to define the center hole, an extension portion formed radially outside the projecting portion and radially outside the magnet holes, and a plate-shaped bridge portion connecting the beam portion and the extension portion. | 2014-03-27 |
20140084730 | METHODS FOR MANUFACTURING ROTORS FOR ELECTRIC MOTORS AND ROTORS MANUFACTURED USING SAID METHODS - A method for manufacturing a rotor with permanent magnets may include providing a central core with a desired cross-section; providing a plurality of ferromagnetic discs having a hole shaped in a complementary manner to the cross-section of the central core; stacking up the ferromagnetic discs around the central core to form a cylindrical structure with a longitudinal cavity, wherein the longitudinal cavity is formed by the holes of the stacked-up ferromagnetic discs; integrally blocking together the stacked-up ferromagnetic discs; and removing the central core. A rotor may be manufactured by the method. The rotor may be used in an electric motor. | 2014-03-27 |
20140084731 | PERMANENT MAGNET TYPE ELECTRIC ROTATING MACHINE AND MANUFACTURING METHOD THEREOF - In a permanent magnet type electric rotating machine, a rotor is arranged in a Halbach array, a main magnet magnetized in the radial direction is formed of a rare-earth magnet and an auxiliary magnet magnetized in the circumferential direction is formed of a ferrite magnet, and a gap is provided between the main magnet and the auxiliary magnet; as a result, the quantity of utilized rare-earth magnets is reduced without the output torque of the electric rotating machine being decreased. | 2014-03-27 |
20140084732 | ROTOR AND ELECTRIC ROTATING MACHINE - A rotor is provided which includes a first rotor portion, a second rotor portion which is arranged at a position deviated from the first rotor portion by a predetermined skew angle so as to contact the first rotor portion, first magnets each of which is provided in a magnetic pole of the first rotor portion, and second magnets each of which is provided in a magnetic pole of the second rotor portion and is arranged at a position deviated from the first magnet of the first rotor portion by the predetermined skew angle. Coercive field strengths of the first magnets and coercive field strengths of the second magnets are different from each other. | 2014-03-27 |
20140084733 | METHOD OF MANUFACTURING A ROTOR FOR ELECTRIC MOTORS AND ASSOCIATED ROTOR - A method of manufacturing an electric-motor rotor may include providing a magnet of sintered magnetic material, the magnet having a first diameter; providing a sheath of composite material, the sheath having an inner diameter smaller than the first diameter; reducing the first diameter to a second diameter; fitting the sheath onto the magnet when the magnet has the second diameter; and letting the magnet with the sheath fitted thereon to interfere, allowing the sheath to exert inward pressure on the magnet. An electric-motor rotor may include a magnet of sintered magnetic material, the magnet having a first diameter; and a sheath of composite material, the sheath having an inner diameter smaller than the first diameter. The sheath may be associated with the magnet in such a way that the magnet with the sheath fitted thereon interfere so that the sheath exerts inward pressure on the magnet. | 2014-03-27 |
20140084734 | Rotating Electrical Machine, Method for Manufacturing Magnetic Pole Piece - The present invention, in a rotating electrical machine having a configuration in which a plurality of magnetic pole pieces is attached along outer perimeters of the rotating axis, provides a structure of rotating electrical machine with small cogging torque by providing a skew in magnetic pole pieces. The rotating electrical machine according to the present invention comprises a plurality of magnetic pole pieces disposed with a skew angle and a cylindrical attachment ring for attaching the magnetic pole pieces, wherein an engaging portion provided at outer perimeters of the attachment ring and an engaging portion included in the magnetic pole pieces are both extended along the rotating axis. | 2014-03-27 |
20140084735 | PERMANENT MAGNET-EMBEDDED MOTOR AND ROTOR THEREOF - In a rotor of a permanent magnet-embedded motor, a plurality of permanent magnets is arranged in one magnet housing of a rotor core. A rib portion which connects an outer peripheral portion of the rotor core with an inner peripheral portion of the rotor core is arranged per plurality of magnetic poles. | 2014-03-27 |
20140084736 | STATOR FOR ROTATING ELECTRIC MACHINE - A stator for a rotating electric machine includes an annular stator core and a plurality of winding groups mounted on teeth of the stator core. Each of the winding groups is either a short-pitch winding group which consists of windings wound at a pitch shorter than 180° in electrical angle or a full-pitch winding group which consists of windings wound at a pitch equal to 180° in electrical angle. The winding groups include at least one short-pitch winding group pair which consists of two short-pitch winding groups that respectively belong to two different phases and are circumferentially adjacent to each other. The two short-pitch winding groups are arranged so as not to overlap each other in a radial direction of the stator core. There are no other winding groups interposed between the two short-pitch winding groups in the circumferential direction of the stator core. | 2014-03-27 |
20140084737 | MODULAR TRANSVERSE FLUX ELECTRICAL MACHINE - A modular stator portion adapted to be used in a transverse flux electrical machine (TFEM) includes a plurality of phase modules adapted to be axially secured together with a plurality of securing members. The phase modules of at least en embodiment thereof are substantially identical and interchangeable. Each pair of axially adjacent phase modules are adapted to be angularly located in respect with each other to set a phase shift. A phase module and a kit of phase modules sized and designed to assemble a modular stator are also encompassed by the present application. | 2014-03-27 |
20140084738 | TRANSVERSE FLUX ELECTRICAL MACHINE STATOR PHASES ASSEMBLY - A modular stator adapted to be used in a transverse flux electrical machine (TFEM) includes a plurality of phase modules comprising respective halves sized and designed to receive therein a plurality of cores about a rotational axis. The phase modules are adapted to be assembled together to produce a multi-phase stator and disassembled to replace or maintain a phase module. The phase modules are configured to be angularly shifted from one another to produce a multi-phase TFEM. A TFEM phase assembly and a kit of phases components sized and designed to assemble a multi-phase stator are also encompassed by the present application. | 2014-03-27 |
20140084739 | HOUSINGLESS TRANSVERSE FLUX ELECTRICAL MACHINE - A housingless transverse flux electrical machine (TFEM) includes a pair of halves adapted to receive therein a plurality of cores and a coil therein. The halves are the exterior boundary for the environment and the TFEM can be in operating configuration without further housing. | 2014-03-27 |
20140084740 | SLOT LINER FOR ELECTRO-DYNAMIC MACHINE - A slot liner is configured for association with a tooth of an electro-dynamic machine core having an annular rim and circumferentially spaced teeth radially extending from the annular rim. The slot liner includes sidewalls configured to line circumferential surfaces of the tooth, first and second tabs formed by bends in the sidewalls, the first tab being configured to line a portion of the annular rim adjacent to the tooth and the second tab being configured to overlap with a tab of an adjacent slot liner and a retainer configured to retain the sidewalls against a radially inward portion of the tooth. | 2014-03-27 |
20140084741 | ROTATING ELECTRICAL MACHINE AND ELECTRIC POWER STEERING SYSTEM USING THE SAME - A permanent magnet rotating electrical machine includes: a stator including a stator core and a polyphase stator coil incorporated into the stator core; and a rotor including a rotor core and a plurality of permanent magnets which is fixed to the outer peripheral surface of the rotor core, wherein the stator core has a plurality of stator tooth portions forming a slot into which the stator coil is stored, the rotor core is rotatably disposed in opposed relation to the stator, and the stator tooth portion includes at the tip thereof at least one nonmagnetic inner region. | 2014-03-27 |
20140084742 | POLE SHOE OF A GENERATOR, PREFERABLY A GENERATOR OF A WIND TURBINE GENERATOR SYSTEM - The invention concerns a pole shoe, in particular of a generator, comprising a pole assembly which is of a laminated configuration, at least one winding arranged around the pole assembly, and a body which passes through the laminated pole assembly in the longitudinal direction and which has a plurality of transversely directed engagement locations, preferably at most three transversely directed engagement locations, into which a respective holding means can engage to fasten the pole shoe on a support, in particular the rotor or stator of a generator. The present invention further concerns a pole shoe, in particular of a generator, comprising a pole assembly which is of a laminated configuration, at least one winding arranged around the pole assembly, and an insulating means arranged between the pole assembly and the winding, wherein the insulating means has a fiber composite material. | 2014-03-27 |
20140084743 | TRANSVERSE FLUX ELECTRICAL MACHINE STATOR AND ASSEMBLY THEREOF - A stator adapted to be used in a transverse flux electrical machine (TFEM) includes a plurality of phases comprising respective halves sized and designed to receive therein a plurality of cores about a rotational axis. The halves can be separated in angular portions sized and designed to be assembled together and further locate cores therein in respective predetermined positions. A TFEM phase assembly and a kit of phases components sized and designed to assemble a stator are also encompassed by the present application. | 2014-03-27 |
20140084744 | ROTARY ELECTRIC MACHINE - In a rotary electric machine having a rotor core of a skew structure, when one of the core blocks is sequentially stacked on the other of the core blocks to form a step skew, a communication reference groove is formed along an axial direction of the rotor core by aligning a side section of a short protruding section in one core block with a side section of the long protruding sections in the other core block, and by aligning a side section of a long protruding section in one core block with a side section of a short protruding section in the other core block. The core blocks are correctly stacked by aligning the side section of the long protruding sections with the side section of the short protruding sections. | 2014-03-27 |
20140084745 | COMMUTATOR - A commutator includes a cylindrical insulator and commutator pieces, which are formed on the outer circumferential surface of the insulator and arranged side by side in the circumferential direction of the insulator. The commutator pieces are each composed of a conductive plate material, and each includes a connection claw and an engagement claw. The connection claw extends outward in the radial direction of the insulator while being configured to electrically being connected to an armature coil. The engagement claw extends inward in the radial direction of the insulator and engages with the insulator. The commutator pieces each include a recess portion with an undercut formed in a surface facing inward in the radial direction of the insulator. | 2014-03-27 |
20140084746 | DC COMMUTATOR MOTOR AND AUXILIARY MACHINE FOR MOTOR VEHICLE USING THE SAME - DC commutator motor that prevents variation in characteristics of the motor and suppressing deterioration of performance, and reduces the number of assembly steps. A magnet is attached to an inner circumferential surface of a bottomed cylindrical bracket to form a field pole. In an armature, a commutator is fastened to an armature core which is formed by laminating a plurality of thin core sheets. Shaft is inserted into the integrated body of the armature core with the commutator. Armature coil is wound within slots provided in the armature core, and bearings are attached. The armature is assembled with the field pole. Polygonal protruding portion which is made of resin is provided in the commutator, the protruding portion fastened to inner circumferential surfaces of the slots of the armature core, and the shaft is then inserted. | 2014-03-27 |
20140084747 | ELECTROMECHANICAL CONVERTER HAVING A TWO-LAYER BASE ELEMENT, AND PROCESS FOR THE PRODUCTION OF SUCH AN ELECTROMECHANICAL CONVERTER - The present invention relates to electromechanical converters at least comprising a polymer layer composite with voids ( | 2014-03-27 |
20140084748 | Triboelectric Nanogenerator for Powering Portable Electronics - A triboelectric generator includes a first contact charging member and a second contact charging member. The first contact charging member includes a first contact layer and a conductive electrode layer. The first contact layer includes a material that has a triboelectric series rating indicating a propensity to gain electrons due to a contacting event. The conductive electrode layer is disposed along the back side of the contact layer. The second contact charging member is spaced apart from and disposed oppositely from the first contact charging member. It includes an electrically conductive material layer that has a triboelectric series rating indicating a propensity to lose electrons when contacted by the first contact layer during the contacting event. The electrically conductive material acts as an electrode. A mechanism maintains a space between the first contact charging member and the second contact charging member except when a force is applied thereto. | 2014-03-27 |
20140084749 | THIN FILM PIEZOELECTRIC DEVICE - A thin film piezoelectric device according to the present invention includes a pair of electrode layers and a piezoelectric thin film interposed between the pair of electrode layers, wherein the piezoelectric thin film contains a rare gas element and has a content gradient of the rare gas element in the thickness direction of the piezoelectric thin film. | 2014-03-27 |
20140084750 | PIEZOELECTRIC ELEMENT, LIQUID DISCHARGE HEAD, ULTRASONIC MOTOR, AND DUST REMOVING DEVICE - A piezoelectric element having an improved piezoelectric constant is provided, and a liquid discharge head, an ultrasonic motor, and a dust removing device, each of which uses the above piezoelectric element, are also provided. A piezoelectric element at least includes a pair of electrodes and a piezoelectric material provided in contact with the pair of electrodes, the piezoelectric material is formed of an aggregate of crystal grains containing barium titanate as a primary component, and among the crystal grains of the aggregate, crystal grains at least in contact with the electrodes have dislocation layers in the grains. A liquid discharge head, an ultrasonic motor, and a dust removing device each use the above piezoelectric element. | 2014-03-27 |
20140084751 | DRIVING APPARATUS - A driving apparatus capable of suppressing operation noise, the apparatus comprising a piezoelectric element expanding and contracting in accordance with a driving signal; a supporting shaft connected to said piezoelectric element; a movable body frictionally engaged with said supporting shaft and capable of moving along said supporting shaft; and a driving portion applying said driving signal including a first driving signal which moves said movable body towards a first direction to said piezoelectric element, wherein said driving portion can repeatedly apply said first driving signal against said piezoelectric element by taking a first time in between, and said first driving signal comprises a main driving waveform group which moves said movable body to said first direction, and a sub driving waveform group which is placed after said main driving waveform group by having the a second rest time shorter than said first time in between. | 2014-03-27 |
20140084752 | METHOD OF MANUFACTURING ELECTRONIC DEVICE, ELECTRONIC APPARATUS, AND MOBILE APPARATUS - A method of manufacturing an electronic device including an electronic element, a base substrate, and a lid member, includes joining the lid member to the sealing part by application of an energy beam so that a plate thickness of the lid member may be larger in a part joined to the sealing part than in a part located inside of the part in a plan view along the thickness direction. | 2014-03-27 |
20140084753 | Lower Electrode For Piezoelectric Element, And Piezoelectric Element Provided With Lower Electrode - In the present invention, a half-value width of a rocking curve, an average roughness of a surface, and an average grain diameter are all specified at one time with respect to a Pt layer that constitutes a lower electrode for a piezoelectric element, thereby stably film-forming the Pt layer having excellent characteristics, and stably forming, on the Pt layer, a piezoelectric thin film having excellent characteristics. | 2014-03-27 |
20140084754 | THIN FILM PIEZOELECTRIC DEVICE - A thin film piezoelectric device according to the present invention includes a potassium sodium niobate-based piezoelectric thin film having an average crystal grain diameter of 60 nm or more and 90 nm or less, and a pair of electrode films configured to hold the piezoelectric thin film therebetween. | 2014-03-27 |
20140084755 | ON-VEHICLE ROTARY ELECTRIC MACHINE - An on-vehicle rotary electric machine includes a first member provided with a stator, a rotor, and a housing in which the stator and the rotor is housed, a second member adjacent to the first member in an axial direction, and a third member adjacent to the second member in the axial direction at an opposite side of the first member, and the first member, the second member, and the third member are pierced by a through bolt in the axial direction and are fixed. | 2014-03-27 |
20140084756 | ELECTROMECHANICAL FLYWHEEL - An electromechanical flywheel machine includes a flywheel mass and a motor-generator having a rotor rotatable about a stationery inner stator having stator windings. | 2014-03-27 |
20140084757 | ROTATING ELECTRICAL MACHINE - A motor includes: a almost annular stator, a rotor arranged inside the annular ring of the stator for rotating about a central axis, a sensor for detecting the rotation of the rotor, and a sensor board for implementing the sensor. The sensor and the sensor board are arranged outside the stator in the direction along the central axis. The sensor is a reflection type light projecting/receiving sensor. | 2014-03-27 |
20140084758 | RESOLVER - A resolver can have a stator installed in a housing simply, without requiring a special jig. In the resolver including a housing and a stator core fixed in the housing, the stator core is fixed to the inside of the housing by rotating relative to the housing. | 2014-03-27 |
20140084759 | ELECTROMECHANICAL DEVICE, ROTOR USED FOR ELECTROMECHANICAL DEVICE, AND MOBILE UNIT AND ROBOT WITH ELECTROMECHANICAL DEVICE - An electromechanical device has a rotor and a stator provided on an outer circumference of the rotor. The rotor includes a rotation shaft, a plurality of rotor magnets cylindrically fixed and arranged along an outer circumference of the rotation shaft, and two magnet side yokes fixed and arranged in contact with side surfaces at both sides of the rotor magnets in a shaft direction of the rotation shaft. Overhang parts that suppress the rotor magnets with respect to radiation directions from a center of the rotation shaft toward the outer circumference and limit movements of the rotor magnets in the radiation directions are provided on surfaces of the magnet side yokes in contact with the rotor magnets. | 2014-03-27 |
20140084760 | DISPLAY DEVICE - The present invention provides a display device, which comprises a front frame, a back plate, a back frame and a fixing member. The back frame comprises a loading surface used for loading the back plate and a plurality of side edges disposed around the loading surface, and the side edges of the back frame is fixed and connected to the front frame. The back plate is disposed on the loading surface of the back frame. The back plate comprises a back plate body and a plurality of side walls protruded on each of side edges of the back plate body. The front frame and the side walls of the back plate are fixed and connected by the fixing member, so as to fix and connect the front frame and back plate. | 2014-03-27 |
20140084761 | MULTI-JOINT FIXTURE SYSTEM - A multi-joint fixture including a proximal base unit, one or more arms serially connected by electromagnetically lockable ball joints, and a distal hub. The ball joints unlock when not powered. A centering mechanism biases the ball joints toward a neutral position. A control system activates the electromagnetic brake with a high-then-low voltage profile. A headpiece attaches to the hub and holds a drape that covers the fixture. A connector connects a surgical device to the headpiece. A switch on the hub can be actuated via actuators on the headpiece or connector. | 2014-03-27 |
20140084762 | ELECTRONIC DEVICE AND FASTENING APPARATUS THEREOF - A fastening apparatus, applicable for adjusting a fastening state of a first object and a second object by a first magnetic component, includes a first fastening component, an elastic component, a second fastening component and a second magnetic component. The first fastening component is disposed on the first object. The elastic component includes a first end disposed on the second object and a second end connected to the second fastening component. The second magnetic component is disposed on the second fastening component. The first magnetic component attracts the second magnetic component to move the second fastening component between a first position and a second position. When the second fastening component is at the first position, the first object is affixed to the second object. When the second fastening component is at the second position, the first object is separated from the second object. | 2014-03-27 |
20140084763 | Assembly for Server Rack Chassis - An assembly includes an enclosure and a guide rail. The enclosure includes first and second top portions, first and second side portions, and a bottom portion, and is a single piece of material such that the first top portion, the first side portion, the bottom portion, the second side portion, and the second top portion are continuous portions of the single piece of material. The guide rail is attached to the first and second top portions of the enclosure, to join the first and second top portions together, and to align the assembly within a server rack chassis. | 2014-03-27 |
20140084764 | Locking Mechanism for Adaptor Assembly of a Server Rack Chassis - A locking mechanism includes a latch, a handle, a first link, and a second link. The latch to engage with a recess of a server rack chassis, and to lock an adaptor assembly within the server rack chassis. The handle is connected to the latch, and engages and disengages the latch with the recess. The first link includes a first stub. The first link puts the first stub in an up position in response to the handle being in a down position, and puts the first stub in a down position in response to the handle being in an up position. The second link includes a second stub. The second link puts the second stub in a down position in response to the handle being in the down position, and puts the second stub in an up position in response to the handle being in the up position. | 2014-03-27 |
20140084765 | CONVERTIBLE FURNITURE SYSTEM BASE AND MODULAR APPLICATIONS INCLUDING ARMCHAIRS, TABLES, AND STORAGE CABINETS - The present invention pertains to a modular furniture system in which a flat-foldable or easily assembled and disassembled rigid base structure composed of rectangular-cross-sectioned pieces each with specific dimensions serves variously, once assembled, as the supporting framework for a flat-foldable chair seat-and-backrest module, which configured together with the base structure serves as either an upright dining chair with armrests or as a lower and more reclined lounge chair with armrests, or alternatively as configured for supporting the connectable or foldable components of a flat planar surface module to be used for dining or to serve as a desktop, or alternatively as configured for supporting a storage cabinet module with drawers or doors. | 2014-03-27 |
20140084766 | Cabinet - The invention described herein is a traffic signal cabinet that fits the footprint of existing traffic signal cabinets, provides an easily accessible compartment that holds a BBS, and a segregated compartment for batteries. | 2014-03-27 |
20140084767 | CABINET WITH SLIDING DOOR - A cabinet includes a top wall, a bottom wall, two opposite sidewalls, and a sliding door. One of the sidewalls defines an opening. A rail perpendicular to the sidewalls protrudes from an inner surface of each of the top and bottom walls, extends to the opening. The sliding door defines a slide slot in each of a top and a bottom. The sliding door is capable of sliding into the cabinet through the opening, with the two slide slots fitted around the corresponding rails. | 2014-03-27 |
20140084768 | ELECTRONIC DEVICE, CASE UNIT, AND LOCKING DEVICE - An electronic device includes: a case; an object member held by the case; an operating portion provided in the case side; a biasing member; a pushing member moved by operating the operating portion; a locking member movable between an engagement position where the locking member engages with the object member held by the case and a disengagement position where the locking member disengages from the object member, biased toward the engagement position by the biasing member, and pushed toward the disengagement position by moving the pushing member. | 2014-03-27 |
20140084769 | SOFT CLOSE MECHANISM IN A DRAWER SLIDE ASSEMBLY AND METHOD OF USE - A linear bearing drawer slide assembly comprised of a spring damper mechanism attached to a fixed member slidingly engaged with a middle member slidingly engaged with a drawer member. The spring damper mechanism is comprised of a base connected to a guide track which includes a longitudinal channel and a pair of opposing catches. A carriage slidingly engages the guide track. A pivotal latch pivots on a column of the carriage and further includes a pair of posts that extend through the carriage to engage the pair of catches in the guide track. The base and the carriage secure a pair of springs providing a balanced closing force against a damper which reduces unwanted wear and prolongs the useable life of the drawer slide assembly. | 2014-03-27 |
20140084770 | DOOR ASSEMBLY - A door assembly for use with a computing device that includes a housing that defines an opening to an interior of the housing is disclosed herein. An example of door assembly includes a cover positionable over the opening in a secure closed position to help prohibit access to the interior of the housing and away from the opening in an open position allow access to the interior of the housing. The example door assembly also includes a flange assembly connected to the cover and coupled to the housing to translate within a cavity in the housing and create a hinge about which the cover moves from the closed position to the open position. The door assembly further includes an opening mechanism to release the cover from the secure closed position to the open position. Other examples of a door assembly are also disclosed herein. | 2014-03-27 |
20140084771 | ELECTRONIC DEVICE AND MOVABLE FIXING STRUCUTRE THEREOF - A movable fixing structure is used for causing the first casing to be combined with or detached from the second casing along a first axial direction. The movable fixing structure includes a blocking component, a locating element and a limiting element. The blocking component is movably disposed on the first casing along a second axial direction. The blocking component is used for moving between a first position and a second position. The locating element has a first locating portion and a second locating portion. The locating element is disposed on the first casing and is used for moving between a third and a fourth position along a third axial direction. The limiting element is disposed on the second casing and is used for interfering with the second locating portion on the first axial direction. | 2014-03-27 |
20140084772 | AUTOMATIC HINGE LOCKING ASSEMBLY FOR ELECTRONIC DEVICE - In one embodiment an electronic device comprises a housing having a first section and a second section mounted to the first section by a hinge assembly comprising a base, a swing arm mounted to the base and rotatable about a first axis, and a locking assembly, responsive to a rotation of a shaft coupled to the swing arm, to selectively lock the swing arm to the base. Other embodiments may be described. | 2014-03-27 |
20140084773 | Spray Bottle Rack - A rotatable storage rack for spray bottles is described wherein the spray bottles are suspended on a rotatable outer ring supported above a fixed base. | 2014-03-27 |
20140084774 | FURNITURE APPARATUSES, AND KITS, SYSTEMS, AND USES OF SAME - An apparatus for holding a decorative cover. The apparatus includes: a body having front and rear opposite sides, the front side of the body having a front surface having a perimeter, the rear side of the body having a rear surface, and the body having an outwardly facing lateral surface between the front and rear surfaces; and a first connector on the body, the first connector detachably connectable, continuously adjacent at least a portion of the perimeter of the front surface, to a second connector, complementary to the first connector, on the decorative cover. A furniture apparatus includes at least one substantially thermoplastic body and one or both of diatomaceous earth and a PA1b-related peptide incorporated in one or more of the at least one body. | 2014-03-27 |
20140084775 | SUBSTRATE, DISPLAY PANEL, AND DISPLAY APPARATUS - A substrate includes: a plurality of pixels arranged two-dimensionally on a common wiring substrate, and each including a plurality of types of light emitting elements that differ from one another in emission color; a plurality of light-scattering sections each provided for a corresponding one of the pixels, and each provided above the corresponding one of the pixels; and a light-shielding section provided in a gap between adjacent ones of the pixels, or provided in an opposing region that opposes the gap when viewed in a normal direction of the wiring substrate. | 2014-03-27 |
20140084776 | SPARK PLUG - A spark plug includes an insulator, and a metal shell disposed at an outer periphery of the insulator and including a shoulder. The insulator includes a trunk portion, and a leg formed at the tip end side of the trunk portion. The shoulder of the metal shell includes a first shoulder, and a second shoulder formed at the tip end side of the first shoulder. A distance Da between the tip end of the second shoulder and the leg and a distance Db between the tip end of the trunk portion and the second shoulder satisfy a relationship of Da/Db≧1.1. A distance T between the rear end of the first shoulder and the tip end of the second shoulder and a distance L between the rear end of the first shoulder and a tip end face of the metal shell satisfy a relationship of T/L≦0.5. | 2014-03-27 |
20140084777 | LIGHT EMITTING DEVICE AND ILLUMINATION APPARATUS - According to one embodiment, there is provided a light emitting device includes a substrate; a first light emitting element mounted on one surface side of the substrate; a second light emitting element mounted on the one surface side of the substrate and having a light emitting layer positioned above a light emitting layer of the first light emitting element; and a fluorescent material layer covering the first light emitting element and containing a fluorescent material. | 2014-03-27 |
20140084778 | PLASMA DISPLAY PANEL AND METHOD FOR PRODUCING THE SAME - A plasma display panel includes: a front plate including an image display area and an image non-display area provided outside the image display area; and a rear plate provided to be opposed to the front plate. The front plate has a substrate, and a display electrode provided over the substrate. The display electrode has, in the image display area, a stacked structure of a first electrode and a second electrode provided over the first electrode. Furthermore, the display electrode has, in at least a portion of the image non-display area, a first region and a second region provided around the first region. The first region has a single-layer structure of a second electrode. The second region has a stacked structure of a first electrode and the second electrode provided over the first electrode. The surface of the display electrode has a sparse degree between 12% and 15% (inclusive). | 2014-03-27 |
20140084779 | RECYCLABILITY OF FLUORESCENT LAMP PHOSPHORS - Improved recyclability of phosphors in fluorescent lamps is provided. A fluorescent lamp is constructed with phosphor particles having a specific surface area less than a certain predetermined value. During recycling, these phosphor particles are more readily separated from the basing cement used in such fluorescent lamp. A method is also provided by which such phosphors are more readily separated from the basing cement. | 2014-03-27 |
20140084780 | BLUE LIGHT-EMITTING PHOSPHOR AND LIGHT-EMITTING DEVICE USING THE BLUE LIGHT-EMITTING PHOSPHOR - The emission strength of a light released from a blue light-emitting phosphor having a merwinite crystal structure and an elemental formula of (Sr,Ca) | 2014-03-27 |
20140084781 | LIGHT EMITTING DEVICE - A light emitting device includes a substrate including a base member, a plurality of wiring portions disposed on a surface of the base member, a covering portion having openings respectively exposing a part of the wiring portions, a plurality of light emitting elements respectively electrically connected to the wiring portions exposed from the covering portion, and sealing members respectively sealing the light emitting elements. At least a part of the covering portion contains a light-storing material. | 2014-03-27 |
20140084782 | FLUORESCENT SUBSTANCE, LIGHT-EMITTING DEVICE AND METHOD FORPRODUCING FLUORESCENT SUBSTANCE - The fluorescent substance according to the present disclosure emits luminescence with a peak in the wavelength range of 500 to 600 nm under excitation by light with a peak in the wavelength range of 250 to 500 nm, and has an optical absorption coefficient α | 2014-03-27 |
20140084783 | RED-EMITTING NITRIDE-BASED CALCIUM-STABLIZED PHOSPHORS - Red-emitting phosphors may comprise a nitride-based composition represented by the chemical formula M | 2014-03-27 |
20140084784 | WHITE LIGHT-EMITTING DEVICE, WHITE LIGHT-EMITTING PANEL INCLUDING THE SAME, METHOD OF MANUFACTURING WHITE LIGHT-EMITTING PANEL, AND DISPLAY APPARATUS INCLUDING WHITE LIGHT-EMITTING DEVICE - A white light-emitting device includes a first electrode; a first barrier rib on the first electrode including a first color conversion material; a second barrier rib on the first electrode spaced apart from the first barrier rib and including a second color conversion material; a third color layer between the first barrier rib and the second barrier rib that emits white light when light emitted from the third color layer is combined with light emitted from first color conversion material and light emitted from the second color conversion material; and a second electrode on the first barrier rib, the second barrier rib, and the third color layer. | 2014-03-27 |
20140084785 | LIGHT SOURCE DEVICE, METHOD FOR MANUFACTURING THE SAME AND FILAMENT - A filament showing high radiation characteristics and hardly suffering from disconnection and film separation is provided by using a high melting point metal compound such as tantalum carbide. As the filament, a filament comprising a tungsten base material | 2014-03-27 |
20140084786 | LIGHT SOURCE DEVICE - A filament of simple structure showing improved conversion efficiency is provided. There is provided a light source device comprising a light-transmitting gas-tight container, a filament disposed in the light-transmitting gas-tight container, and a lead wire for supplying an electric current to the filament, wherein the filament consists of a single crystal. Sum of concentration of lattice defects and impurity concentration of the filament consisting of a single crystal is preferably lower than 0.01%. | 2014-03-27 |
20140084787 | POWER CONVERTER CONTAINED BASE, LAMP WITH POWER CONVERTER CONTAINED BASE AND LAMP WITH SEPARABLE POWER CONVERTER CONTAINED BASE - The present invention discloses a power converter contained base, lamp with power converter contained base and lamp with separable power converter contained base. The power converter contained base comprises a first commercial standard base, fundament, cover, power converter and a first connector. The fundament comprises a first opening connected to the commercial standard base and a second opening where the cover disposed. A containing space may be defined by the cover, base and the first commercial standard base. The power converter may be disposed inside the containing space. The first connector may be disposed on the cover or the fundament to be connected with a second connector of a light-emitting member to make the four elements, the first commercial standard base, the power converter, the one of or the combination of two or three of, the fundament, the cover and the connector, and the light-emitting member become electrically connected. | 2014-03-27 |
20140084788 | HEADLIGHT APPARATUS AND METHOD OF CONTROLLING THE SAME - Disclosed are a headlight apparatus and a method of controlling the same. The headlight apparatus provided in a transportation includes a light source unit including at least one light source and emitting a light in a forward direction of the transportation, a light source driving unit supplying a driving current to the at least one light source included in the light source unit, and a control unit receiving information about a driving environment of the transportation and determining a driving condition of the light source unit by using the received information about the driving environment. The driving condition of the light source unit includes a driving current value corresponding to a brightness of the at least one light source included in the light source unit. | 2014-03-27 |
20140084789 | VEHICULAR VISION SYSTEM - A vehicular vision system includes a camera having a lens and a CMOS photosensor array having a plurality of photosensor elements. The camera is disposed at an interior portion of a vehicle equipped with the vehicular vision system. The camera one of (i) views exterior of the equipped vehicle through the windshield of the equipped vehicle and forward of the equipped vehicle and (ii) views from the windshield of the equipped vehicle into the interior cabin of the equipped vehicle. A control includes an image processor that processes image data captured by the photosensor array. The image processor processes captured image data to detect an object viewed by the camera. The photosensor array is operable at a plurality of exposure periods and at least one exposure period of the plurality of exposure periods is dynamically variable. | 2014-03-27 |
20140084790 | ELECTROMAGNETIC INTERFERENCE FILTER, AND POWER SUPPLY APPARATUS AND DISPLAY APPARATUS INCLUDING THE SAME - There are provided an electromagnetic interference filter for removing common mode electromagnetic interference, in which electromagnetic interference of a low frequency band and a high frequency band is removed in a single filter because of a wide block frequency band, a power supply apparatus including the electromagnetic interference filter, and a display apparatus including the electromagnetic interference filter. The electromagnetic interference filter includes a core part including at least two legs electromagnetically coupled and forming a closed magnetic circuit; a coil part including first and second rectangular copper wires respectively wound in a single layer around the at least two legs and removing common mode electromagnetic interference included in power transferred from a power line; and a support part having a mounting area in which the core part having the coil part wound therearound is mounted. | 2014-03-27 |
20140084791 | POWER SUPPLY APPARATUS AND LUMINAIRE - A power supply apparatus of an embodiment includes a first filter, a second filter, and a switching power supply. The first filter and the second filter attenuate a common mode current to a level lower than a normal mode current. The switching power supply is connected between the first filter and the second filter, and supplies electric power to an illumination load via the second filter. | 2014-03-27 |
20140084792 | ORGANIC LIGHT EMITTING DISPLAY DEVICE AND DRIVING METHOD THEREOF - The present invention has been made in an effort to provide an organic light emitting display device comprising a panel; a power supply supplying power to the panel; a current detection unit detecting a current flowing through power line wiring of the panel and outputting the detected current; and a power controller comparing the detected current with a current value configured internally and outputting a shutdown signal which turns off the power supply if the detected current exceeds the predetermined current value. | 2014-03-27 |
20140084793 | LED FLOURESCENT LAMP - An LED fluorescent lamp includes: an LED array having a plurality of LEDs connected in series; a first connection pin and a third connection pin connected to one side of the LED array; a second connection pin and a fourth connection pin connected to the other side of the LED array; at least one pair of capacitors connected to the LED array; and a short-circuit means for connecting at least one of the first connection pin and the third connection pin, and the second connection pin and the fourth connection pin, wherein the capacitors include: a first capacitor having one end connected to the first connection pin and the other end connected to one side of the LED array; a third capacitor having one end connected to the third connection pin and the other end connected to the one side of the LED array; a second capacitor having one end connected to the second connection pin and the other end connected to the other side of the LED array; and a fourth capacitor having one end connected to the fourth connection pin and the other end connected to the other side of the LED array. The LED fluorescent lamp can use an instant start electronic ballast that is a fluorescent lamp ballast installed in an existing lamp with no change. | 2014-03-27 |
20140084794 | Method for programming a LED light using a light sensor - A method for programming a LED light that uses a light control circuit that includes a light sensor to read the data from an encoded light source, where the encoded light source would typically by a LCD display. This allows the LED light to have a wide array of options where the user only selects the options or modes that they want the light to have. | 2014-03-27 |
20140084795 | NETWORKED LIGHTING INFRASTRUCTURE FOR SENSING APPLICATIONS - A network using existing streetlights is described. Each street light becomes a node in the network, and each includes a power terminal for receiving electrical power, a light source coupled to the power terminal, a processor coupled to the power terminal, a network interface coupled between the processor and the network of lighting systems, and a sensor coupled to the processor for detecting a condition at the node, and in response providing information about that condition to the processor. | 2014-03-27 |
20140084796 | TUNING OF EMITTER WITH MULTIPLE LEDS TO A SINGLE COLOR BIN - The color of an LED-based lamp can be tuned to a desired color or color temperature. The lamp can include two or more independently addressable groups of LEDs associated with different colors or color temperatures and a total-internal-reflection (TIR) color-mixing lens to produce light of a uniform color by mixing the light from the different groups of LEDs. The color of the output light is tuned by controllably dividing an input current among the groups of LEDs. Tuning can be performed once, e.g., during manufacture, and the lamp does not require active feedback components for maintaining color temperature. | 2014-03-27 |
20140084797 | STREET LIGHTING SYSTEM ALLOWING MULTIPLE COMMUNICATION - The invention provide a street lighting system that includes a plurality of Light Emitting Diode based street lamps, wherein each of the Light Emitting Diode based street lamps includes a Light Emitting Diode light source, a control circuit connected to the Light Emitting Diode light source and a communication transceiver electrically coupled to the control circuit. The control circuit is enabled to collect data from peripheral devices attached to the Light Emitting Diode based street lamps and transmits the collected data through the communication transceiver. Also provided is an electrical distribution network that supplies electrical power to each of said Light Emitting Diode based street lamps and a central server connected to the electrical distribution network, wherein the central server controls operation of each of the Light Emitting Diode based street lamps and is connected to the control circuit through the electrical distribution network such that it can send and receive signals from the control circuit via the communication transceiver. | 2014-03-27 |
20140084798 | PFC LED DRIVER CAPABLE OF REDUCING FLICKER - A PFC LED driver capable of reducing flicker, including: a bridge rectifier, used to generate a full-wave-rectified line input voltage according to an AC power a single stage PFC constant average current converter, coupled with the bridge rectifier and used for forcing an input current to track the full-wave-rectified line input voltage and regulating an average value of an output current at a first preset value; and a peak current regulator, in series with an LED module to form a load for the output current to flow through, wherein the peak current regulator is used to regulate a peak of the output current at a second preset value, and the second preset value is higher than the first preset value. | 2014-03-27 |
20140084799 | LIGHT SOURCE DRIVING DEVICE AND ILLUMINATING APPARATUS USING THE SAME - A light source driving device includes a transformer, a rectifying diode, a filter, and an open loop preventing circuit. The transformer has a primary winding part including first and second external input terminals configured to receive external power from a ballast stabilizer and a coil having an impedance level set to allow the ballast stabilizer to output a normal amount of power, and a secondary winding part electromagnetically coupled to the primary winding part to transform received external power. The rectifying diode rectifies power from the secondary winding part, and the filter filters the rectified power from the rectifying diode. The open loop preventing circuit provides a closed loop to the filter such that power stored in the filter is applied to the output terminal when the rectifying diode is turned off. | 2014-03-27 |
20140084800 | DRIVING LIGHT EMITTING DIODE (LED) LAMPS USING POWER RECEIVED FROM BALLAST STABILIZERS - A circuit drives a light emitting diode (LED) lamp based on alternating current (AC) power received from a ballast stabilizer. The circuit includes an inductive load, a rectifying circuit, and an output circuit. The inductive load is coupled to and receives the AC power from the ballast stabilizer. The rectifying circuit is electrically coupled to the inductive load and rectifies the AC power to produce a unidirectional current. The output circuit receives the unidirectional current from the rectifying circuit, and produces an output current for driving the LED lamp. Various additional circuits and illuminating apparatuses for producing light from AC power using a LED lamp are also provided. | 2014-03-27 |
20140084801 | ACTIVE CURRENT LIMITING FOR LIGHTING APPARATUS - A lighting apparatus, such as an LED lighting apparatus, includes at least one light-emitting device, a rectifier circuit having an input configured to be coupled to an AC source, and a driver circuit coupled to an output of the rectifier circuit and to the at least one light emitting device. The apparatus further includes an active current limiter circuit coupled to the output of the rectifier circuit and configured to limit a current provided to the driver circuit, such as a current drawn by an EMI filter of the driver circuit, which may cause erratic operation of a dimmer controlling the lighting apparatus. | 2014-03-27 |
20140084802 | CURRENT SOURCE HAVING AN IMPROVED DIMMING DEVICE - The invention relates to a dimmable, multi-channel voltage/current source ( | 2014-03-27 |
20140084803 | LUMINAIRE AND OPERATION DEVICE - In an operation device, a control unit is configured to be capable of receiving at least two operation patterns. A control unit keeps a switch off for a period of length corresponding to an operation pattern detected by a detecting unit. In a luminaire, when the length of a period in which a power level detected by a detecting unit falls is included in a first time range, a control unit stops power supply to a lighting unit while maintaining power supply to a communication unit. | 2014-03-27 |
20140084804 | POWER SUPPLY DEVICE - According to one embodiment, a power supply device includes a switching circuit and a control circuit. The switching circuit adjusts, according to ON-OFF control for an input voltage, electric power supplied to a lighting load. The control circuit controls ON and OFF of the switching circuit such that the electric power supplied to the lighting load coincides with target power. The control circuit that operates at a frequency equal to or higher than a switching frequency of the switching circuit is used. That is, a control frequency of the control circuit for the switching circuit is equal to or higher than the switching frequency of the switching circuit. | 2014-03-27 |
20140084805 | Pixel Circuit and Method for Driving Thereof, and Organic Light Emitting Display Device Using the Same - Disclosed is a pixel circuit which facilitates to compensate a threshold voltage of a driving transistor for controlling an operation state of a light emitting device, and a method for driving thereof and an organic light emitting display device using the same, wherein the pixel circuit includes a light emitting device including an organic light emitting cell; a driving transistor which controls an operation of the light emitting device according to a voltage applied between gate and source terminals; a capacitor including first and second terminals; a switching unit which initializes the capacitor during a current horizontal period, stores a sampling voltage in the capacitor, and makes the light emitting device emit light on the basis of the sampling voltage stored in the capacitor whenever the data voltage and reference voltage are supplied to the data line after the current horizontal period. | 2014-03-27 |
20140084806 | PIXEL UNIT DRIVING CIRCUIT AND DRIVING METHOD, AND DISPLAY APPARATUS - The present disclosure discloses a pixel unit driving circuit, a driving method, and a display apparatus, wherein the pixel unit driving circuit includes a light-emitting device, a driving transistor, a first switching transistor, a second switching transistor, a third switching transistor, a fourth switching transistor, a first capacitor, and a second capacitor. The pixel unit driving circuit is driven in a stepwise manner by the turn-on/off of the switching transistors in cooperation with the charging of the capacitors, so that a driving current of the driving transistor has no relation to the turn-on voltage V | 2014-03-27 |