| 06th week of 2014 patent applcation highlights part 21 |
| Patent application number | Title | Published |
|---|
| 20140035396 | SELF-RECIPROCATING ELECTRIC MOTOR - A motor that is distinct in that it is electric and it reciprocates it's own use, exemplifying more power than what is needed in function. Such a motor as to be used in torque to transmission of motion leverage, as well as power generation. A motor in which, of the properties of, and/or specifically, magnesium and steel of a non-conductive and non-grounding nature, pass one another in rotation of the motor, and in unison with other contingent and congruent assemblies, produce the electrical current to run itself and relative and/or adjoining systems. A motor of all likewise compositional equivalent in the confines of polarity friction, in by where it produces electricity and runs on it's own accord, of, and for the purpose of, working power. Portent to being, electricity is transferred to load. | 2014-02-06 |
| 20140035397 | VIBRATION ACTUATOR - A first weight portion of a vibration actuator includes an inner-side enlarged portion that protrudes from an end portion of a solid head in a direction of a vibration axis and that is inserted into an opening portion extending within a first compression coil spring along the direction of the vibration axis. An outer peripheral surface of the inner-side enlarged portion becomes continuously smaller in diameter from a base end towards a free end, with the vibration axis being the center of the diameter. That is, the inner-side enlarged portion has the shape of a truncated cone. The inner-side enlarged portion is inserted into the opening portion of the first compression coil spring and the opening portion is utilized to change the length of the inner-side enlarged portion in the direction of the vibration axis, thereby changing the mass of the first weight portion. | 2014-02-06 |
| 20140035398 | Method And Device For Torque Generation Based On Electromagnetic Effect - A method and device of torque generation based on electromagnetic effect is provided. An electromagnetic torque whose direction is opposite to the motor driving direction is generated in a magnetic field when a motor-drive armature winding is adopted based on the electro-magnetic induction principle. Meanwhile, a reverse electromagnetic torque which is reverse to the armature winding with the same magnitude, is applied on a magnet set and is transmitted to an underactuated system so as to provide required torque for the underactuated system. Advantageously, the provided torque is in direct ratio to speed, difficulty in control is significantly reduced, two-stage electromagnetic variable speed can be achieved, the design of the system is simple and reliable with a concise and clear structure, and the device may be employed in a wide variety of applications. | 2014-02-06 |
| 20140035399 | BRUSH DEVICE, ELECTRIC MACHINE - The invention relates to a brush device, in particular for an electric machine, comprising at least one brush holder which has at least two brush boxes for receiving in each case one brush, wherein the brushes are mounted in a displaceable manner in the respective brush box and wherein a helical spring can be braced/is pretensioned in each case between one of the brushes and a stop in the respective brush box, and comprising at least two elastically deformable electrical conductors which are each connected with an end thereof to one of the brushes. | 2014-02-06 |
| 20140035400 | ROTATING ELECTRIC MACHINE - A rotating electric machine includes a hollow cylindrical stator core and a stator coil mounted on the stator core. The stator core has a plurality of slots that are arranged in a circumferential direction of the stator core. The stator coil is formed of a plurality of substantially U-shaped electric conductor segments to include at least one Δ-Y connection. The Δ-Y connection is comprised of a Δ-connected first three-phase winding and a Y-connected second three-phase winding. The first three-phase winding includes three phase windings that are Δ-connected to define three terminals of the first three-phase winding therebetween. The second three-phase winding includes three phase windings that are respectively connected to the three terminals of the first three-phase winding. Further, the number of turns of the first three-phase winding and the number of turns of the second three-phase winding are respectively set to two different odd numbers. | 2014-02-06 |
| 20140035401 | WINDMILL COMPRISING A TRANSVERSE FLUX ELECTRICAL MACHINE - The invention concerns a windmill including a rotatable transverse flux electrical machine (TFEM) comprising a stator portion; and a rotor portion rotatably located in respect with the stator portion, the rotor portion including an alternate sequence of magnets and concentrators radially disposed about a rotation axis thereof; the stator portion including at least one phase, the at least one phase including a plurality of cores cooperating with a coil disposed about the rotation axis, each core including a skewed pair of poles to progressively electromagnetically engage an electromagnetic field of respective cooperating concentrators. The invention is also concerned with a plurality of elements located in desired positions in the TFEM. | 2014-02-06 |
| 20140035402 | Electric Generator - An electric energy generator includes a driving shaft designed to be coupled to an external energy source having a predetermined torque, a synchronous reluctance rotating electric machine having a stator and a transverse-laminated rotor, and a driven shaft operatively coupled to the drive shaft for generating electric energy with a predetermined torque ripple amplitude, an electric connection for injecting the electric energy so generated into the net, a control system designed to adjusting electrical and dynamic parameters of the electric machine. The stator has an even number of longitudinal grooves for each pair of poles and the rotor has a plurality of adjacent slots defining an even number of magnetically equivalent slots. The number of grooves is different from the number of equivalent slots multiplied by an integer, the difference between the number of grooves and the number of equivalent slots being different form zero, +2 and −2. | 2014-02-06 |
| 20140035403 | ELECTRIC MOTOR WITH BALANCE ADJUSTMENT MECHANISM FOR ROTOR AND MANUFACTURING PROCESS THEREOF - An electric motor includes an insert member situated within an insert bore formed in a rotor in order to adjust a balance of the rotor. The insert member has a body part provided with a cutout portion in a part of its circumference to define a gap extending therebetween. The insert member also has a pair of inner protrusions protruding radially inwardly from the opposite side edges of the gap. The size of the gap is determined such that the gap is not closed when the insert member elastically deforms and as a result, the outer diameter of the insert member becomes smaller than the diameter of the insert bore. | 2014-02-06 |
| 20140035404 | ANGLED WELD END TURNS FOR COOLANT ACCESS - An electric machine includes a stator core having a plurality of circumferentially-oriented slot positions, each slot position having a plurality of radially-oriented slots, each slot extending longitudinally through the core. The stator core has a plurality of conductor segments each extending through at least one of the slots. When a slot position is populated with at least two conductor segments, at least two exterior conductor portions exiting the slot position are angled radially apart from one another by more than one degree. A method of cooling an electric machine includes providing coolant access to embedded conductor end turn portions of a stator having circumferentially spaced slot positions by radially spreading exterior conductor portions exiting populated ones of the slot positions. | 2014-02-06 |
| 20140035405 | ROTARY ELECTRIC MACHINE - A rotary electric machine includes a rotor, a stator, a circuit substrate, a tubular closed-top and closed-bottom motor case arranged to accommodate the rotor, and bearings. The motor case is axially divided into a first casing and a second casing. Each of a first and a second tap portion of the first and the second casings includes an inner circumferential surface and at least one groove arranged on the inner circumferential surface. A lead bush includes a through-hole arranged to guide a lead wire and at least three annular bulging portions arranged at a specified interval along an outer circumferential surface of the lead bush. A middle annular bulging portion of the three annular bulging portions is fitted to the groove of each of the first tap portion and the second tap portion so that the lead bush is gripped between the first tap portion and the second tap portion. | 2014-02-06 |
| 20140035406 | STATOR FOR ROTATING ELECTRIC MACHINE AND METHOD OF MANUFACTURING THE SAME - A stator includes a hollow cylindrical stator core and a stator coil formed of a plurality of electric conductor segments. Each of the electric conductor segments includes, at least, an in-slot portion received in a corresponding slot of the stator core and a protruding portion that protrudes from the in-slot portion outside of the corresponding slot. Each of the electric conductor segments also has an insulating coat covering its outer surface. For each intersecting pair of the protruding portions of the electric conductor segments, at least one of the two protruding portions of the intersecting pair has an indentation formed in a side face thereof radially facing the other protruding portion at the intersection of the two protruding portions. Further, a thickness of the insulating coats at the indentations is substantially equal to a thickness of the insulating coats at the in-slot portions of the electric conductor segments. | 2014-02-06 |
| 20140035407 | ROTATING ELECTRIC MACHINE AND ELECTRIC POWER STEERING DEVICE - A rotating electric machine for driving a drive object is provided. The rotating electric machine includes a motor case, a stator, a winding, a rotor, a shaft, a base cap, an end cap, an output rod, base cap holes, end cap holes, and through bolts. The base cap has base cap flanges formed on a circumferential edge and extending radially-outward beyond an outer wall of the motor case. The end cap has end cap flanges formed on a circumferential edge and extending radially-outward beyond the outer wall of the motor case. Base cap holes are formed on the base cap flanges and end cap holes in axial alignment with the base cap holes are formed on the end cap flanges. Through bolts fasten the base cap flanges to the end cap flanges. | 2014-02-06 |
| 20140035408 | Spindle Motor - A spindle motor is provided, the motor including: a base plate; a PCB Printed Circuit Board arranged on an upper surface of the base plate; a bearing assembly coupled to the base plate; a stator coupled to a periphery of the bearing assembly; and a rotor rotationally coupled to the bearing assembly, wherein the base plate is formed with a foreign object inflow prevention fence to inhibit inflow of foreign objects into the stator and the base plate. | 2014-02-06 |
| 20140035409 | BALL BEARING PARTICULARLY FOR USE IN HIGH SPEED GENERATOR - A ball bearing has an outer race and an inner race A plurality of ball members are supported radially between the inner and outer races. A pair of bearing cage halves are placed at axial ends of the balls. The bearing cage halves are formed of a first relatively hard material, and have a plating of a softer material on some surfaces The bearing cage halves have pockets facing the balls and with the soft plating The bearing cage halves are riveted together along a contact surface, not including the soft plating. The rivets extend through an aperture in each of the bearing cage halves, not provided with the soft plating. The rivets have heads extending into a ditch, not provided with the soft plating. A rotor sub-assembly, a generator, and a method of maintaining a generator are also disclosed. | 2014-02-06 |
| 20140035410 | ROTATING DEVICE - A rotating device is a device in which a sleeve of a rotor surrounds a shaft of a fixed body, a lubricant intervening between the shaft and the sleeve. A gap between the shaft and the sleeve includes two dynamic pressure generation portions spaced apart from each other in an axial direction. The rotor and the fixed body are arranged such that a center of gravity of the rotor having a plurality of magnetic recording disks mounted thereon is positioned between the two dynamic pressure generation portions. | 2014-02-06 |
| 20140035411 | Non-Contact Thrust Bearing Using Permanent Magnets - A magnetic thrust bearing for use in a device for relatively free rotational movement of a first part relative to a second part includes axial and laterally spaced magnets. Each magnet has a magnetic field of force with opposing poles and a transition section which converges to a transition line. Axial magnets are spaced on an axis of the first part of the device and lateral magnets are arranged on the second part of the device. The lateral magnets operating in units, having paired lateral magnets positioned on opposite sides of the axis with each of the paired magnets having an equal length and equal gap or space from the axis. Axial magnets have an alternating polar orientation such that the nearest magnetic poles of adjacent axial magnets are repelling, and the distance between transition lines of the axial magnets is substantially equal to the length of the lateral magnets. Accordingly, the magnetic field of force of each lateral magnetic unit is perpendicular and attracting to the repelling fields of force between adjacent axial magnets for lateral displacement of the first part relative to the second part by a fixed gap, so that, with this arrangement, the permanent-magnet bearing enables non-contact, relative motion between the two parts of the device using both attractive and repelling forces generated by magnets. | 2014-02-06 |
| 20140035412 | Magnetic Bearing Assembly - Stray magnetic fields created by non-symmetrical magnetisation of the permanent magnets in a rotating magnet array of a magnetic bearing assembly, when used in turbo molecular pumps, can cause significant problems to devices such as scanning electron microscopes. In order to minimise the stray fields, at least the dipole and quadrupole moments of each magnet in the array is first measured. The magnets in the array are then arranged relative to one another such that both the dipole and quadrupole moments are minimised, thus minimising the stray magnetic field when the magnet array rotates in the turbomolecular pump. | 2014-02-06 |
| 20140035413 | MOTOR MOUNT - A mount for an electric motor, the mount comprising a sleeve for receiving a motor, the sleeve including plurality of elements projecting from a surface of the sleeve, wherein the plurality of elements include a vertex. | 2014-02-06 |
| 20140035414 | BRAKE DEVICE WITH BUILT-IN POWER GENERATION MECHANISM AND PERMANENT MAGNETISM EDDY CURRENT - A brake device with built-in power generation mechanism and permanent magnetism eddy current comprises: an external rotator including a flywheel and a permanent magnet fixed at an inner periphery of the flywheel; an internal stator including a fixing bracket and a tile-shaped armature mounted at an outer periphery of the fixing bracket; a brake mechanism including a magnetic-conductive plate; when the external rotator is rotated the tile-shaped armature generates a three-phase alternating current, and the arc-shaped metal plate generates eddy current and braking torque of magnetic resistant; a cooling fan mounted on the flywheel to produce a cooling effect; an adjustment mechanism provided for adjusting a gap between the arc-shaped metal plate and the permanent magnet to adjust magnetic flux, and thus change the braking resistant load; a controller transferring the three-phase alternating current into direct current for required power of the control panel and server. | 2014-02-06 |
| 20140035415 | MOTIVE POWER TRANSMISSION DEVICE - A motive power transmission device capable of suppressing deformation of matching surfaces of cases is provided. A motive power transmission device is used as a transmission for a hybrid vehicle containing a first rotating electric machine and a second rotating electric machine as two rotating electric machines. The first rotating electric machine and the second rotating electric machine each serving as a motor/generator are housed in independent first case and second case, and the both are coupled to constitute the transmission for a hybrid vehicle. A first stator and a second stator are fastened and fixed to the first case and the second case on sides opposite to a first matching surface and a second matching surface. | 2014-02-06 |
| 20140035416 | ELECTRIC MOTOR - An electric motor includes a stator, a rotor and a can arranged between the stator and the rotor, wherein the stator exhibits several stator pole pairs, which are each formed by two adjacent stator poles, which are designed in such a way as to generate oppositely polarized magnetic fields, and wherein the rotor exhibits a plurality of magnetic rotor poles distributed over the circumference, and is configured in such a way as to enable a magnetic flux between two adjacent rotor poles, as well as a pumping set with such an electric motor. | 2014-02-06 |
| 20140035417 | ROTATABLE TRANSVERSE FLUX ELECTRICAL MACHINE - The invention concerns a rotatable transverse flux electrical machine (TFEM) comprising a stator portion; and a rotor portion rotatably located in respect with the stator portion, the rotor portion including an alternate sequence of magnets and concentrators radially disposed about a rotation axis thereof; the stator portion including at least one phase, the at least one phase including a plurality of cores cooperating with a coil disposed about the rotation axis, each core including a skewed pair of poles to progressively electromagnetically engage an electromagnetic field of respective cooperating concentrators. The invention is also concerned with a plurality of elements located in desired positions in the TFEM and also with a linear TFEM. | 2014-02-06 |
| 20140035418 | MOTOR STATOR WITH REDUCED COIL CONFIGURATION - A motor is provided for use in a machine. The motor includes a segmented stator comprising magnetically isolated core segments. | 2014-02-06 |
| 20140035419 | ROTOR, ROTATING ELECTRICAL MACHINE, AND MANUFACTURING METHOD OF THE ROTOR - The rotor includes a rotor core in which the pore is shaped in the center and the magnet is arranged on the circumference of the pore, and a shaft, in which, by means of a knurling tool being partially shaped on the peripheral surface, the knurling tool shaping part with the knurling tool shaped and the non-knurling tool shaping part without the knurling tool shaped are arranged on the peripheral surface and closely inserted into the pore such that the knurling tool shaping part and the non-knurling tool shaping part are present inside the pore. | 2014-02-06 |
| 20140035420 | PERMANENT MAGNET ROTOR AND METHOD FOR REDUCING TORQUE RIPPLE IN ELECTRIC MOTOR - A permanent magnet motor ( | 2014-02-06 |
| 20140035421 | ROTOR OF ROTARY ELECTRIC MACHINE - A rotor of a rotary electric machine includes a rotor core, a plurality of magnet groups, and a plurality of grooves provided between adjacent slot groups. A circumferential rib is provided at a first position on an outer circumferential surface of each of the magnets. A radial direction rib is provided at a second position on a circumferential direction surface of each of the magnets. A curved rib connects the circumferential rib and the radial direction rib, and has an inner surface and an outer surface both being curved in an circular arc shape. The circumferential rib, the curved rib, and the radial direction rib are spaced apart from the outer circumferential surface, the outer circumferential corner, and the circumferential direction surface of each of the magnets. | 2014-02-06 |
| 20140035422 | ROTOR, MOTOR AND METHOD FOR MANUFACTURING ROTOR - A motor includes a shaft, a rotor, and a stator. The rotor includes first and second rotor cores, and a field magnet. Second claw magnetic pole portions of second rotor core are arranged between first claw magnetic pole portions of the first rotor core. The field magnet causes the first claw magnetic pole portions to function as first magnetic poles, and the second claw magnetic pole portions to function as second magnetic poles. Radially inner surfaces of the teeth of a stator core face radially outer surfaces of the first and second claw magnetic poles. Either radially outer surfaces of the first and second claw magnetic pole portions or radially inner surfaces of the teeth each have a cross-sectional shape in a direction orthogonal to the axial direction that is not concentric to a circle of which center is an axis of the rotation shaft. | 2014-02-06 |
| 20140035423 | CONSTRUCTION OF ELECTRIC MACHINES - An improvement in apparatus and methods of making electrical machines, utilizing a combination of additive manufacturing techniques to create, in particular, small, high efficiency stators, but also useful for making complex rotor structures. | 2014-02-06 |
| 20140035424 | ROTATING ELECTRICAL MACHINE - A rotating electrical machine includes a toric stator and a rotator located inside or outside the stator. The stator includes a plurality of teeth radially extending from the center of a circle of the stator with equal gap, and the plurality of coils arranged in order and in layers by the winding wire being turned a plurality of times around the circumference of each of a plurality of teeth. The number of turns of the two respective coils arranged on the circumference of the two adjacent teeth is different. | 2014-02-06 |
| 20140035425 | ELECTRIC MACHINE - The proposed principle relates to an electric machine having a stator ( | 2014-02-06 |
| 20140035426 | STATOR INCLUDING CONDUCTORS PROVIDED WITH A CERAMIC COVERING - A stator core includes a plurality of slot segments, a plurality of stator winding conductors arranged in select ones of the plurality of slot segments, and a ceramic covering provided on one or more of the plurality of stator winding conductors. The ceramic covering includes an adhesive bonded to the one of the plurality of stator winding conductors to provide insulation for the one or more stator winding conductors. | 2014-02-06 |
| 20140035427 | METHOD FOR PRODUCING A STATOR WINDING OF AN ELECTRIC MACHINE, IN PARTICULAR AN AC GENERATOR - Method for producing a stator winding ( | 2014-02-06 |
| 20140035428 | Stator of rotary electric machine, and manufacturing method therefor - A stator of a rotary electric machine, in which an insulating capacity higher than or equal to an insulating capacity of a flat portion of a stator core can be maintained at edge portions of the stator core. The stator of the rotary electric machine includes a core-sheet laminate that is formed by laminating a plurality of core sheets made of metal plates; a coating film that is made of an insulating paint coated on a surface of the core-sheet laminate; a stator coil that is made of a conductive wire wound around the core-sheet laminate via the coating film; and bobbins made of an insulating material, which are inserted between the coating film and the stator coil and prevent the conductive wire of the stator coil from contacting the coating film that is coated on edge portions of the core-sheet laminate, or relieve pressure caused by the contact. | 2014-02-06 |
| 20140035429 | STATOR CORE AND MOTOR DEVICE INCLUDING THE SAME - Disclosed is a stator core including a core back fixedly inserted onto an outer surface of a stationary member, a plurality of teeth protruding from the core back in an outer diameter direction, wherein a coil is wound around the plurality of teeth so as to allow magnetic flux from a magnet to flow to the teeth, front end portions defining outer edges of the teeth, respectively, and body portions defining a length of the teeth and having a width increasing from the core back toward the front end portions, respectively. | 2014-02-06 |
| 20140035430 | MOTOR AND WASHING MACHINE HAVING THE SAME - A motor having an improved structure to enhance productivity and assemblability and a washing machine having the same includes a main body, a tub disposed in the main body, a drum rotatably disposed in the tub, and a motor mounted to a surface of the tub to rotate the drum. The motor includes a stator including a stator core and an insulator to cover the stator core, and a rotor rotatably disposed either inside or outside the stator. The insulator includes at least one support protrusion protruding from an inner circumferential surface of the insulator toward a center of the stator in order to support the stator core. | 2014-02-06 |
| 20140035431 | ROTATING ELECTRICAL MACHINE - To obtain a rotating electrical machine preventing a functional failure and shortening of the life of brushes caused by a temperature rise of the brushes installed to a vehicle AC power generator or a motor generator. A brush holder holding brushes supplying a field current to a rotor is provided with brush temperature suppressing metal members installed substantially parallel to the brushes in the vicinity of abutment portions of the brushes and slip rings in point-, line-, or surface-contact with the brushes at least at one point besides energization terminals. The brush temperature suppressing metal members not only diffuse heat generated at the brushes, but also function as a heat capacity for a case where a large amount of heat is generated in a short time, such as during regenerative power generation and a start-up operation, and thereby prevent an excessive temperature rise of the brushes. | 2014-02-06 |
| 20140035432 | MEMS DEVICE WITH INCREASED TILTING RANGE - A micro-electro-mechanical (MEMs) devices including a compound hot electrode, which increases the tilting range of the MEMs device. A substantially vertical hot electrode is mounted adjacent to the end or the sides of a pivoting ground electrode, formed of the underside of a pivoting mirror, and combine with a conventional horizontal hot electrode to make up the compound hot electrode. | 2014-02-06 |
| 20140035433 | MEMS DEVICE, ELECTRONIC APPARATUS, AND MANUFACTURING METHOD OF MEMS DEVICE - A MEMS device is a MEMS device having a MEMS vibrator which includes a plurality of MEMS constituent elements laminated and formed above a first foundation portion which is laminated above a main surface of a wafer substrate, and the MEMS constituent elements are laminated above a first oxide film and a nitride film so as to cover an opening which is formed in the nitride film and exposes a second foundation portion above which the nitride film is laminated. | 2014-02-06 |
| 20140035434 | MEMS Device Comprising An Under Bump Metallization - The present invention concerns a MEMS device comprising an under bump metallization ( | 2014-02-06 |
| 20140035435 | System For Generation Of Useful Electrical Power From Isotopic Emissions - Particles emitted by radio-isotopic by-products of nuclear fission are used as a power source at the cathode of a magnetron system. Particles include high energy electrons having a large associated EMF. In the system a radial electrical vector E, between the cathode and anode, interacts with an axial magnetic vector B vector to produce an E×B force that rotates the particles about the system axis. These emissions are within a set range of velocities. The angular velocity and geometry of a rotating field, known as a space charge wheel (SCW), may be modulated by an external RF inputs to cavities of an anode block and the use of concentric biasing grids between the cathode and anode block. The SCW induces LC values into cavities of the anode, exciting them and producing electrons resonance which may be used to generate power. | 2014-02-06 |
| 20140035436 | COMPONENT OPERATING WITH ACOUSTIC WAVES AND METHOD FOR PRODUCING SAME - The invention concerns a component (B) operating with acoustic waves, in which the reflection and excitation are largely decoupled. For this purpose, a component comprises a dielectric (DL) which is arranged between an electrode finger (EF) and a piezoelectric substrate (PSU) and at least partially overlaps the electrode finger. | 2014-02-06 |
| 20140035437 | DRIVING APPARATUS - A driving apparatus comprises a piezoelectric element ( | 2014-02-06 |
| 20140035438 | Passive, Self-Tuning Energy Harvester for Extracting Energy From Rotational Motion - Energy harvester. The harvester includes a radially extending beam having a proximal end mounted a selected distance from an axis of rotation of an object and includes a mass at its distal end. The mass, beam characteristics, and the selected distance are chosen so that the beam resonant frequency during rotation of the object substantially matches the driven rotational frequency of the object. | 2014-02-06 |
| 20140035439 | PIEZOELECTRIC DEVICE - A piezoelectric device according to the present invention is provided with a first electrode film, a first nonmetal electroconductive intermediate film provided on the first electrode film, a piezoelectric film provided on the first nonmetal electroconductive intermediate film, a second nonmetal electroconductive intermediate film provided on the piezoelectric film, and a second electrode film provided on the second nonmetal electroconductive intermediate film. A linear expansion coefficient of the first nonmetal electroconductive intermediate film is larger than those of the first electrode film and the piezoelectric film, and a linear expansion coefficient of the second nonmetal electroconductive intermediate film is larger than those of the second electrode film and the piezoelectric film. | 2014-02-06 |
| 20140035440 | PIEZOELECTRIC DEVICE - A piezoelectric device according to the present invention is provided with a pair of electrode films, a piezoelectric film sandwiched in between the pair of electrode films, and a stress control film which is in direct contact with a surface of at least one of the pair of electrode films, on the side where the electrode film is not in contact with the piezoelectric film, and which has a linear expansion coefficient larger than those of the relevant electrode film and the piezoelectric film. | 2014-02-06 |
| 20140035441 | VIBRATION PIECE, ELECTRONIC DEVICE AND ELECTRONIC APPARATUS - A vibration piece includes a pair of base sections which are disposed with spaces in between each other, and a pair of vibration arms which are disposed between the pair of base sections. In addition, the vibration arms, respectively have three vibration areas of a pair of end areas positioned on both ends in an extending direction and a center area positioned between the end areas. Electrode pieces straddling from the side surfaces of the vibration arms to a main surface are disposed in the areas, respectively. An average width of portions of the electrode pieces positioned on the main surface which are disposed in the end areas is greater than an average width of portions of the electrode pieces positioned on the main surface which are disposed in the center area. | 2014-02-06 |
| 20140035442 | Bearing Structure and Spindle Motor Having the Same - A spindle motor is disclosed, wherein the spindle motor includes a bearing housing coupled to the base plate, a bearing disposed in the bearing housing, and a rotating shaft inserted into the bearing to rotatably support to the bearing, a portion of bearing protruded from a circumferential face of the bearing is press-fitted into an inner face of the bearing housing. | 2014-02-06 |
| 20140035443 | ELECTRIC CYLINDER AND ELECTRIC CYLINDER SYSTEM - An electric cylinder includes: an outer cylinder including, on one end side, a fixing section; a rod configured to be capable of expanding and contracting in an axis direction from an opening on the one end side of the outer cylinder; a bearing provided on the other end side end and on the inside of the outer cylinder; a rotating shaft supported by the bearing and driven to rotate; a screw mechanism configured to convert a rotational motion of the rotating shaft into a linear motion of the rod and transmit the linear motion; and a distortion detecting unit provided on the outer circumference of the outer cylinder. The outer cylinder includes at least two or more division members that can be divided and combined. The distortion detecting unit is provided in one division member among the two or more division members. | 2014-02-06 |
| 20140035444 | ANTI-SEPARATING STRUCTURE OF SENSING MAGNET FOR MOTOR - The present invention relates to an anti-separating structure of sensing magnet for motor, wherein, the coupling between the plate and the sensing magnet is effected by the bent unit formed at the plate and a separate cap member to reinforce the coupling power to axial, horizontal and rotational directions by the mechanical structure, and to improve a structural stability and operational reliability, the structure including a plate formed with a plate insertion hole that vertically penetrates the plate; a sensing magnet formed with a magnet insertion hole corresponding to the plate insertion hole; and a plate-shaped cap member including a coupling lug coupled by penetrating the plate insertion hole and the magnet insertion hole. | 2014-02-06 |
| 20140035445 | ROTATING ELECTRIC MACHINE AND ELECTRIC POWER STEERING APPARATUS - A rotating electric machine for driving a drive object includes a heat sink having a cavity on a first face, a power module disposed on the heat sink for switching a power supply for the winding, a power wiring part disposed on the first face of the heat sink and electrically connected to the power module for flowing a drive electric current to the winding, a control wiring part disposed on a second face of the heat sink and electrically connected to the power module for flowing a control electric current that controls the power module, and at least one electrolytic capacitor disposed in the power wiring part and housed in the cavity, thereby preventing an abnormality of the electrolytic capacitor from causing an abnormality of the control wiring part. | 2014-02-06 |
| 20140035446 | STRUCTURAL FASTENING MECHANISM FOR ELECTRONIC DEVICE ENCLOSURE - An electronic device enclosure includes a base, a side plate, and a locking member. The base comprises a rear wall defining two through holes. Two stopping portions are located on the rear wall. The side plate comprises a side piece. The locking member comprises a resilient portion and two blocking portions located on the resilient portion. The resilient portion is secured to the side piece. Each of the two blocking portions extends through each of the two through holes to engage with each of the two stopping portions. The resilient portion elastically deforms to move the two blocking portions towards each other, to disengage each of the two blocking portions from each of the two stopping portions. | 2014-02-06 |
| 20140035447 | DEVICE HOUSING AND MANUFACTURING METHOD - A device housing includes a first supporting part, a second supporting part and a sealing module. The first supporting part defines a hole. The second supporting part is integral with the first supporting part and the second supporting part functions as a light guide plate. The sealing module includes a first gasket, a second gasket, and a third gasket, the first gasket positioned on the first supporting part, the second gasket positioned a peripheral edge of the hole, the third gasket positioned at one end of the first supporting part. | 2014-02-06 |
| 20140035448 | METHOD AND APPARATUS FOR PRODUCING MAGNETIC ATTACHMENT SYSTEM - A method and apparatus for producing a magnetic attachment mechanism is described. A method is provided for determining the magnetic field axis of an element prior to machining it. The magnetic field axis can be used as a reference to machine an outer surface of the magnetic element at a desired angle. The method provides a means to more precisely align magnetic field axes of corresponding magnets in a magnetic attachment system. | 2014-02-06 |
| 20140035449 | ACCESSORY STRAP SECURING MECHANISM - An accessory strap securing mechanism is positioned on a portable electronic device, to assemble an accessory strap thereon. The accessory strap securing mechanism includes a securing portion, a guiding block, and a stopper portion and the securing portion includes a base, a column and an extending end. The column and the extending end extend from the base along two opposite directions and when the front cover and the back cover are separated, the stopper portion is revealed and exposed for an accessory strap to be hooked around the stopper portion. The stopper portion, which is the anchor point of the strap, is enclosed and rendered captive when the front and back covers are clipped together again. | 2014-02-06 |
| 20140035450 | APPARATUS FOR SECURING DRAWER CONTENTS - A cabinet having a plurality of drawers, each drawer having at least one compartment. The cabinet includes a computer and a panel pivotally coupled to one of the drawers. The panel is disposed in a covering relationship with the compartments within the drawer and includes at least one opening. The opening corresponds with the compartment. A cover is pivotally connected to the panel and covers the opening. A locking mechanism is interconnected with the drawer and the cover. The locking mechanism receives a signal from the computer to position it in one of a locked and unlocked position. | 2014-02-06 |
| 20140035451 | ADJUSTABLE FOOD COVERING SUPPORT DEVICE - A device for creating a support for covering of items, in particular foodstuffs, on a container such as a tray or serving platter. The device enable the foodstuff to be covered with a protective covering, such as ling-wrap, that protects the food item whilst preventing the cling-wrap from damaging the food item via physical contact. | 2014-02-06 |
| 20140035452 | SYSTEM AND METHOD FOR AUTOMATICALLY DRAWING OUT A RACK IN DOMESTIC APPLIANCES - The embodiments herein provide a system for drawing out the racks out of a chamber in a domestic appliance. The system comprises the hooks attached to the respective loop brackets or several steel rods provided with many screws. The hooks are attached to an inner surface of a door of a chamber in a domestic appliance through the brackets that are fixed to the steel rods by the screws or welded to the inner surface of the door. The steel rods are fixed to the door from inside. The hooks are automatically unlatched from the racks when the door is closed. The racks are unlatched due to a pop-up action of the hooks during the closing of the door. The hooks pop-up to the initial position. The hooks pop-up due to a body contact of the hooks with the racks at an upwardly slanting direction. | 2014-02-06 |
| 20140035453 | Home Appliance Having Movable Door Handle - A home appliance having a door which may be opened and closed, and more particularly, a home appliance to assist a user in easily opening or closing a door is disclosed. The home appliance includes a cabinet having a chamber in which an object is received or retrieved, a door to open or close the chamber, and a handle assembly to be rotated relative to the door during opening or closing of the door, wherein rotation of the handle assembly causes the door to be rotated about a door rotating axis. | 2014-02-06 |
| 20140035454 | REFRIGERATOR - Disclosed therein is a refrigerator. The refrigerator includes: a refrigerator main body partitioned into a freezing room and a refrigeration room; a refrigerator door for opening and closing the refrigerator main body; pockets mounted on the inner face of the refrigerator door; and a sealing room provided to the pocket for separately storing articles by stopping a flow of cold air of the refrigerator main body. | 2014-02-06 |
| 20140035455 | LED Lamp With A High Color Rendering Index - LED lamps having a high color rendering index are disclosed. In some embodiments, such lamps also exhibit high lumen maintenance and low color drift during lamp warm-up. The lamps may include, for example, a light emitting diode (LED) kernel having a mixture of red and blue LEDs, and a converter including a red phosphor in an amount ranging from greater than 0 to about 10 weight % of a total phosphor content of the converter. | 2014-02-06 |
| 20140035456 | Display Device - To improve image quality of a full-color organic EL display panel. A partition has a stacked structure formed using different materials. A lower partition has a curved shape, and an upper partition has a flat top surface. An angle formed between a plane surface connecting a lower end of a side surface with an upper end of the side surface of the upper partition and the top surface of the upper partition is less than or equal to 90°. The height of the partition is controlled to be greater than or equal to 0.5 μm and less than or equal to 1.3 μm. With such a structure, a large color organic EL display panel achieves high-definition display. | 2014-02-06 |
| 20140035457 | ORGANIC LIGHT EMITTING DIODE DEVICE - An organic light emitting diode device includes a first electrode, a second electrode opposite the first electrode, and an emission layer between the first and second electrodes. The first electrode includes a Ag—Mg alloy including a greater amount of Ag than Mg. | 2014-02-06 |
| 20140035458 | PLASMA REACTOR WITH ELECTRON BEAM PLASMA SOURCE HAVING A UNIFORM MAGNETIC FIELD - Electron beam-confining electromagnets of an electron beam generator are aligned with an electron beam axis, each of the electromagnets being folded to define a main section and a pair of angled wing sections disposed at respective angles relative to said main section, and a conductor wound around the edge. | 2014-02-06 |
| 20140035459 | PORTABLE ILLUMINATION DEVICE WITH ADJUSTABLE DIMMER - Portable illumination devices (e.g., flashlights, headlamps, mobile devices with lights, watches, etc.), assemblies and methods of use are described herein. In various embodiments, a portable illumination device may include a housing, a light source, a Hall Effect sensor, a magnet that is movable relative to the Hall Effect sensor and provides a magnetic field, and a logic contained within the housing. In various embodiments, the logic may be operably coupled to the light source and the Hall Effect sensor. In various embodiments, the logic may be configured to alter a quantity of light emitted by the light source based on data, provided by the Hall Effect sensor, indicative of a spatial relationship between the magnet and the Hall Effect sensor. | 2014-02-06 |
| 20140035460 | HIGH EFFICIENCY LIGHT BULB - A high efficiency light bulb has an outer globe with a base and a detachable bulb portion. The base has a base connection portion with a screw base and a control circuit with transformer for controlling and conveying electric power from the screw base to a quartz tungsten filament. The detachable bulb portion has an outer globe and an inner globe. At least the inner globe has a transparent infrared heat reflecting coating to improve efficiency by retaining heat within and reflecting the heat back on the filament. In another embodiment, the bulb and base are not detachable and the whole bulb is replaced when it reaches the end of its usefulness. A non-reactive gas such as krypton, bromine or xenon, for example, is used to fill the bulbs. | 2014-02-06 |
| 20140035461 | HIGH-BAY LIGHTING - Exemplary embodiments are directed to methods, system, and devices for high-bay lighting. A device may comprise a plurality of reflectors coupled to a support structure. The device may further include a plurality of light emitting diodes (LEDs), wherein each LED of the plurality of LEDs is coupled to and positioned within a dedicated reflector of the plurality of reflectors. | 2014-02-06 |
| 20140035462 | LED LIGHTING DEVICE - An LED lighting device includes a step-up chopper circuit for increasing an input voltage to a prescribed DC voltage, a voltage detection circuit for detecting the DC voltage, a step-down chopper circuit for decreasing the DC voltage to apply it across a light source, a step-down chopper controlling circuit for turning on and off a switching device of the step-down chopper circuit when the DC voltage is a threshold voltage or more, and an inrush current preventing circuit having a parallel circuit of a thyristor and a thermistor. When the DC voltage is less than the threshold voltage, only the induced voltage obtained from the step-up chopper circuit is employed as a drive power supply for the thyristor. When the DC voltage is the threshold voltage or more, only the induced voltage obtained from the step-down chopper circuit is employed as the drive power supply. | 2014-02-06 |
| 20140035463 | LED LAMP AND ILLUMINATION DEVICE INCLUDING THE LED LAMP - In an LED lamp according to one embodiment of the present invention, a PWM control unit | 2014-02-06 |
| 20140035464 | CONTROLLING AN EVENT BEHAVIOR OF AN ILLUMINATION INTERFACE FOR A NETWORK DEVICE - A network device includes an LED interface that exhibits behaviors corresponding to detected events. In a first mode, at least one from a set of predefined event behaviors are selected for the LED interface. The behaviors are responsive to pre-programmed criteria. In a second mode, a new event behavior is implemented for the LED interface in response to criteria not included in the pre-set criteria. | 2014-02-06 |
| 20140035465 | LIFETIME CORRECTION FOR AGING OF LEDS IN TUNABLE-WHITE LED LIGHTING DEVICES - A lighting system having at least three light sources receives an input relating to color coordinates of a target point representing a desired color characteristic for a combined output from the light sources. The system provides color tunable output and/or dimmable output in response to differences in user input. The system also corrects changes in performance of the light sources due to lifetime degradation in each of the light sources. After a period of system operation, outputs of the sources are measured. The system increases the luminosity outputs of each of the light sources by a respective amount relative to the degradations measured in all the light sources; in this manner, the luminosity outputs of the light sources remain substantially constant in relations to each other over the lifetime of the light sources. | 2014-02-06 |
| 20140035466 | BACKLIGHT DRIVING CIRCUIT AND BACKLIGHT DRIVING CIRCUIT - The present invention discloses a backlight driving circuit applied to an electronic device. The backlight driving circuit includes a light-emitting diode unit, a photosensitive element, and a control circuit. The light-emitting diode unit has an anode terminal and a cathode terminal. The photosensitive element is coupled between the cathode terminal of the light-emitting diode unit and a ground, wherein the resistance of the photosensitive element changes with the ambient light level around the electronic device. The control circuit includes a sensing terminal and an output terminal. The sensing terminal receives a feedback voltage. The output terminal provides a power source to the anode terminal of the light-emitting diode unit according to the feedback voltage to control the luminance of the light-emitting diode unit, wherein the feedback voltage is decided by the resistance of the photosensitive element. | 2014-02-06 |
| 20140035467 | DEVICE FOR SWITCHING ON AND OFF LIGHTING SYSTEMS OF A HOUSE OR A ROOM, OFFICES OR BUILDINGS, INTELLIGENTLY AND AUTOMATICALLY BY MEANS OF DETECTION, WITHOUT MANUAL INTERVENTION - A device that allows to turn on and off the lights of a house or room, offices or buildings, intelligently and automatically by detection without people manual intervention, more specifically, this device is provided with means for detect people entry and exit, media controllers or people quantifiers for entering or leaving a place or a room, allowing in a way to avoid unintentional lights on neglect, and in other way obtain efficiency and power saving, which does not occur with current on and off systems. | 2014-02-06 |
| 20140035468 | Illumination system with automatic adaptation to daylight level - An illumination system and method is disclosed. In one example, the illumination system comprises a light source, a controller controlling the power output of the light source, and a light sensor wirelessly communicating with the controller. In a normal mode, the controller controls the light source such that the light level remains substantially constant. In a change mode, the controller controls the light source such that the light level is gradually changed with a predetermined change rate so as to decrease a deviation from a target level, The controller switches from the normal mode to the change mode on the basis of input signals received from the light sensor. The light sensor measures a light level, and decides whether or not to communicate a signal to the controller. The light sensor refrains from transmitting a signal when receiving the signal does not cause the controller to change its control behaviour. | 2014-02-06 |
| 20140035469 | LIGHT EMITTING DEVICE - A light emitting device is electrically connected to a three-phase AC power source and comprises three light emitting modules. The light emitting modules respectively receives three phase power sources of the three-phase AC power source. Each of the light emitting modules includes a light emitting unit and a control circuit electrically connected to the light emitting unit. Each of the control circuits controls the light output power of the corresponding light emitting unit according to the voltage variation or phase variation of the received phase power source, and the three light emitting modules are collectively kept a stable gross light output power. | 2014-02-06 |
| 20140035470 | IMAGE DISPLAY DEVICE AND DRIVING METHOD THEREOF - An image display device includes luminescence pixels arranged in rows and columns. The image display device includes a first and second signal lines, first control lines, and at least two drive blocks. Each drive block is composed of luminescence pixels in at least two rows. Each luminescence pixel includes a luminescence element and a current controller. Each luminescence pixel that belongs to a k | 2014-02-06 |
| 20140035471 | CURRENT DISTRIBUTOR - A current distributor includes a plurality of current adjustment units and a reference voltage adjustment unit. The plurality of current adjustment units is for distributing currents flowing through plural sets of light emitting diodes. The reference voltage adjustment unit is coupled to the plurality of current adjustment units for controlling the plurality of current adjustment units according to a reference voltage. | 2014-02-06 |
| 20140035472 | REDUCING LUMEN VARIABILITY OVER A RANGE OF COLOR TEMPERATURES OF AN OUTPUT OF TUNABLE-WHITE LED LIGHTING DEVICES - A system provides white light having a selectable spectral characteristic (e.g. a selectable color temperature, delta uv, and intensity) using a combination of sources (e.g. LEDs) emitting light of three, four, five, or six different characteristics, for example, one or more white LEDs, and one or more LEDs of each of three primary colors, plus cyan and royal blue. A controller maintains a desired spectral characteristic, e.g. for white light at a selected point on or within a desired range of the black body curve. In addition, the controller provides selectable adjustments for values of the spectral characteristics, while maintaining substantially constant overall output intensity for the light output of White LEDs, thereby achieving Maximum Utilization. | 2014-02-06 |
| 20140035473 | ILLUMINATION DRIVING APPARATUS FOR LIGHT EMITTING DIODE AND METHOD THEREOF - There is provided an illumination driving apparatus for a light emitting diode, the apparatus including: a light emitting unit including M number of light emitting diodes (LEDs) connected in series and driven by an output voltage rectified in a rectifying unit; an LED switch unit including N number of LED switches connected in parallel with at least N number of the M LEDs, respectively, and connected in series; an LED switch control signal generating unit comparing the output voltage of the rectifying unit with each of the first to Nth preset reference voltages to generate N number of LED switch control signals controlling the LED switch unit; and an LED switch controlling unit transferring the N number of LED switch control signals to the LED switch unit. | 2014-02-06 |
| 20140035474 | HIGH EFFICIENCY LED DRIVER CHIP AND DRIVER CIRCUIT THEREOF - Disclosed is a high-efficiency LED driver chip and a driver circuit of the chip, and the driver chip includes a detection unit, a comparison unit and a correction unit. The LED detection unit detects the operating current of the LED driver circuit by an external sensing resistor and an internal current mirror to output a setup signal, and the comparison unit detects the driving current of at least one LED by an external comparing resistor to output an initialization signal, so that the correction unit can output a correction signal according to the setup signal and the initialization signal to reduce the power loss of the circuit while maintaining the driving current constant, so as to improve the illumination quality and the service life of the LED. | 2014-02-06 |
| 20140035475 | CONTROLLER OF AN AC-DC CONVERTER FOR LED LIGHTING - The present invention relates to a controller of an AC-DC converter, which controls an LED lighting using electricity of AC 100V to 250V which is used in a building or home, and more particularly, to a controller of an AC-DC converter for LED lighting, which is capable of effectively controlling brightness of an LED lighting. | 2014-02-06 |
| 20140035476 | LIGHT EMITTING DIODE DRIVING APPARATUS - There is provided a light emitting diode driving apparatus capable of supplying a constant average current to a light emitting diode by generating a reference voltage used for driving the light emitting diode according to input power and a switching signal switching a path of a current supplied to the light emitting diode. The light emitting diode driving apparatus includes: a reference voltage generating unit generating a reference voltage set based on input power and a switching signal for supplying driving power to a light emitting diode; and a driving unit supplying the driving power to the light emitting diode according to the reference voltage. | 2014-02-06 |
| 20140035477 | SINGLE STAGE FORWARD-FLYBACK CONVERTER AND POWER SUPPLY APPARATUS - There are provided a single stage forward-flyback converter, and a power supply apparatus capable of increasing power factor correction and power conversion efficiency. The single stage forward-flyback converter includes: a forward converter unit including a transformer having a primary winding receiving input power and a first secondary winding magnetically coupled to the primary winding to receive power induced thereto, and converting the power in a forward scheme; and a flyback converter unit sharing the transformer, including a second secondary winding, and converting the power in a flyback scheme, wherein the forward converter unit is selectively operated according to a voltage level of the input power. | 2014-02-06 |
| 20140035478 | THIN FILM TRANSISTOR AND MANUFACTURING METHOD THEREFOR, AND DISPLAY DEVICE - The invention provides a thin film transistor having current driving force that can be substantially improved. By heat treatment, the IGZO layer ( | 2014-02-06 |
| 20140035479 | LED DRIVER CIRCUIT STRUCTURE WITH OVER-CURRENT SUPPRESSION - An LED driver circuit structure with over-current suppression is provided. The LED driver circuit includes a DC-DC converter, a voltage detector, a reference voltage supplier module, an error amplifier, a comparator, and an SR-latch. The LED driver circuit structure controls the output voltage and thus the output current of the DC-DC converter by multi-step switching of reference voltages and current levels to achieve over-current suppression, thereby extending an LED endurance period and increasing a PWM dimming frequency range for LED brightness control applications. | 2014-02-06 |
| 20140035480 | METHOD FOR THE CONTROL OF LUMINANCE OF GAS DISCHARGE LAMPS - A system for the control of luminance of a gas-discharge lamp, which includes a variable frequency drive (VFD) accepting AC voltage supply. The VFD is has a constant ratio of frequency to AC voltage ratio of the output. Raising the frequency of the output of the VSD would result in an equivalent rise in the voltage. Typically, a ballast on the input AC of the lamp is required and the power factor correction capacitor usually associated with the lamp is to be removed. | 2014-02-06 |
| 20140035481 | System And Method For Providing Both Power And Control To Circuits Coupled Serially To A Single Conductor - To power and control multiple different electronic circuit nodes, this document introduces a single-wire multiple-circuit power and control system. Specifically, individually controlled circuit node units are arranged in a series configuration that is driven by a power and control unit located at the head of the series. | 2014-02-06 |
| 20140035482 | NETWORKED SYSTEM OF INTELLIGENT LIGHTING DEVICES WITH SHARING OF PROCESSING RESOURCES OF THE DEVICES WITH OTHER ENTITIES - A system of network-connected lighting devices also offers a distributed processing function that utilizes processor and/or memory resources if/when available in some or all of the lighting devices. In the examples, a resource manager receives a job for distributed processing using shared available resources. The resource manager identifies lighting devices having resources of the processors and/or the memories available for the distributed processing function. The resource manager distributes tasks and/or data of the received job through a communications network to identified lighting devices, for distributed processing. The resource manager also receives results of distributed processing for the received job, from the identified lighting devices through the communications network. The received results are processed to produce a composite result for a response to the received job. | 2014-02-06 |
| 20140035483 | TWO ENDED FAUX CANDLE - A faux candle having dual light sources including a housing extending longitudinally and having a top end and a bottom end, which creates the appearance of a candle, having an interior space extending longitudinally throughout the housing, a first light source in the interior space of the housing located at the top end of the housing and projecting upward from the interior space to provide a candle flame simulation, a second light source in the interior space of the housing located at the bottom end of the housing for projecting light downward from the end of the housing, and a power source means located in the interior space for powering the light sources. | 2014-02-06 |
| 20140035484 | DIMMING CONTROL METHOD AND APPARATUS FOR LED LIGHT SOURCE - A light emitting diode (LED) light source, LED driver circuitry and methods for controlling the brightness of an LED light source are presented. In some embodiments, an LED driver control circuit receives a dimming command signal to dim the LED light source, modulates a continuous direct current (DC) level to dim the LED light source, and determines that a predetermined threshold level has been reached. At this time, the process includes initiating a fixed pulse width generator (PWG) control signal having a fixed duty cycle, automatically adjusting the LED current amplitude to its nominal current level, and decreasing the current amplitude while the fixed PWG control signal is active to achieve commanded lower dimming of the LED light source. | 2014-02-06 |
| 20140035485 | SINGLE STAGE FORWARD-FLYBACK CONVERTER AND POWER SUPPLY APPARATUS - There is provided a single-stage forward-flyback converter capable of increasing power factor and power conversion efficiency while performing power factor correction and constant current control in a single-stage circuit. The converter includes: a power converting unit including a transformer having a primary winding receiving input power and a secondary winding magnetically coupled to the primary winding to receive power induced thereto, and converting the input power in a forward scheme and a flyback scheme; a balancing unit maintaining balance between a power level by the forward scheme of the power converting unit and a power level by the flyback scheme thereof; and a path providing unit clamping the power by the forward scheme of the power converting unit and the power by the flyback scheme thereof to provide a power transfer path, wherein the power converting unit selectively operates the forward scheme according to a voltage level of input power. | 2014-02-06 |
| 20140035486 | LIGHTING DEVICE, LIGHTING FIXTURE, LAMP, AND SOUND EMISSION PREVENTION METHOD - A lighting device including: a lighting circuit; a drive circuit; a dimmer control circuit; and an LPF, the drive circuit for increasing on-time as a pulse height increases when an inputted PWM signal satisfies a first condition where a pulse height is greater than a first threshold and less than a second threshold greater than the first threshold, and making the on-time for which a switching element is on when the switching element turns on and off once in a burst period, constant in a second condition where the height pulse is greater than the second threshold, the LPF generating a smoothed | 2014-02-06 |
| 20140035487 | Illuminating Device - To a constant-current power supply whose output current can be variably set, light emitting modules can be connected in parallel. A control unit recognizes connection information outputted from an information output unit provided in each of the light emitting modules and varies the output current of the constant-current power supply. Drive can be controlled in response to a state of the connected light emitting modules such as the connecting number of light emitting modules. | 2014-02-06 |
| 20140035488 | OLED LUMINANCE DEGRADATION COMPENSATION - A system and method are disclosed for determining a pixel capacitance. The pixel capacitance is correlated to a pixel age to determine a current correction factor used for compensating the pixel drive current to account for luminance degradation of the pixel that results from the pixel aging. | 2014-02-06 |
| 20140035489 | Battery Control and Protective Element Validation Method - A method, system and device for discharging power or validating protective elements of a power source to ensure proper functioning of a tool at various temperatures. The power source communicates with a switch using handshake signals to establish a scheme for power distribution depending on the temperature of the power source. The power source can discharge power at a normal start-up rate or a slower start-up rate depending on the temperature of the power source. Handshake signals can also be used to validate protective elements, where the protective elements respond to wake-up signals with respective handshake signals indicating that the protective elements are functioning property. | 2014-02-06 |
| 20140035490 | POWER FACTOR CORRECTION DRIVE CIRCUIT TOPOLOGIES AND CONTROL FOR SWITCHED RELUCTANCE MACHINES - Drive circuits that provide power factor correction and input current waveform shaping for controlling the speed and torque in a switched reluctance machine (SRM). The machine's phase windings are split into two segments, one of which is used for active power factor correction, input ac current waveform shaping and partial torque generation and the other of which is used for torque generation. | 2014-02-06 |
| 20140035491 | CONTROL APPARATUS OF ROTATING DEVICE - In a control apparatus of a rotating device, a voltage command value setting section sets terminal command values on the basis of a command value of a control amount of the rotating device. Individual correcting sections calculate feedback operation amounts on the basis of history information of electric currents flowing in respective terminals of the rotating device and corrects the terminal voltage command values with the feedback operation amounts. A prohibiting section prohibits difference corresponding amounts, which correspond to differences of the feedback operation amounts and an average of the feedback operation amounts, from being reflected in correcting the terminal voltage command values with maintaining polarities when a determining section determines that it is a switching time from one of a power-running control and a regeneration control to the other. | 2014-02-06 |
| 20140035492 | SINGLE PHASE OPERATION OF A THREE-PHASE DRIVE SYSTEM - Single-phase voltage operation techniques are provided for a three-phase drive system. A drive system may include a rectifier configured to couple to a three-phase AC voltage source. The rectifier may be configured to convert AC voltage from the three-phase AC voltage source to a direct current (DC) voltage. The drive system may also include a controller configured to send a plurality of switching signals to a plurality of switches in the rectifier such that the plurality of switching signals minimizes a current provided to the rectifier when only a single-phase of the three-phase AC voltage source is available. | 2014-02-06 |
| 20140035493 | MOTOR DRIVE DEVICE - A motor drive device inputs two detection signals from a rotation position sensor thereby to detect a rotation position, and controls a voltage to be applied to a motor according to the detected rotation position. The motor drive device has a control unit for outputting a first voltage in a first state in which the square sum of sampling values sampled from the two detection signals is a predetermined value, and outputting a second voltage in a second state in which the square sum is not the predetermined value. | 2014-02-06 |
| 20140035494 | MOTOR DRIVING APPARATUS - There is provided a motor driving apparatus capable of optimizing driving efficiency by adjusting a phase difference between current applied to a motor and voltage detected from the motor and performing the adjustment of the phase difference when a pulse width modulation (PWM) signal has a set duty. The motor driving apparatus includes: a driving unit driving a motor according to driving control; a driving controlling unit controlling the driving of the motor by the driving unit, based on an adjusted phase correction signal; and a phase correcting unit correcting a phase difference between a motor detection signal having motor rotation speed information and a current detection signal having detection information regarding current flowing in the motor when a duty of a pulse width modulation (PWM) signal driving the motor satisfies a preset reference duty, and providing the phase correction signal to the driving controlling unit. | 2014-02-06 |
| 20140035495 | METHODS AND APPARATUSES FOR OBTAINING MAXIMUM MAGNETIC FLUX OF PERMANENT MAGNET SYNCHRONOUS MOTORS - A method of obtaining a maximum magnetic flux of a permanent magnet synchronous motor may comprise: receiving a first command voltage from a current controller to control current applied to the permanent magnet synchronous motor; receiving an on/off duty ratio of a control pulse signal to control an output voltage of an inverter that drives the permanent magnet synchronous motor, the on/off duty ratio being determined based on the first command voltage; generating a second command voltage corresponding to the output voltage to be output from the inverter based on the on/off duty ratio of the control pulse signal; obtaining a maximum command voltage error by comparing the first and second command voltages; and/or obtaining the maximum command magnetic flux of the permanent magnet synchronous motor according to a position of a rotor of the permanent magnet synchronous motor based on the maximum command voltage error. | 2014-02-06 |
