38th week of 2011 patent applcation highlights part 18 |
Patent application number | Title | Published |
20110227398 | Apparatus and Method for Protecting Axles from Winding Debris - An apparatus and method for preventing debris from accessing and wrapping around the axles of a vehicle, such as a landfill compactor, are disclosed. The apparatus may include a wheel having a rim from which radially extend a plurality of cleats or tips. A subset of tips may be provided circumferentially around a laterally inner edge of the wheel. A wheel guard may be mounted between adjacent pairs of tips of the subset. Each wheel guard may be welded to the rim and to the adjacent pairs of tips. Each wheel guard may be a unitary piece of metal, or could be provided in two or more segment so as to be adjustable and thus facilitate use on wheels of differing diameters, or with different tip spacing. The wheel guards and adjacent tips form a continuous barrier around the circumference of the wheel to prevent debris from accessing and wrapping around the axles of the compactor. | 2011-09-22 |
20110227399 | Compactor Wheel Tip - A tip for use with a wire guard system for a compactor wheel includes a base portion and a wear portion attached to and extending from the base portion. A first groove is disposed at the wear portion and shaped to receive an end portion of a first wire guard section. A second groove is disposed at the wear portion and shaped to receive an end portion of a second wire guard section. | 2011-09-22 |
20110227400 | Wheel Rim for a Motor Vehicle - The invention relates to a wheel rim for a motor vehicle which can be economically manufactured, with a wheel disc made of steel sheet and a rim flap running around the circumference of the wheel disc. Due to the fact that the steel sheet of the wheel disc is formed from at least three superimposed steel layers, joined to one another by roll-bonding in a non-detachable manner, of which the inner core layer has a lower strength than the outer layers it is thereby guaranteed that the wheel rim according to the invention, with a low weight, can safely accommodate the forces arising in practical operation. | 2011-09-22 |
20110227401 | HUB ASSEMBLY - A hub assembly includes a tube having a fist connection portion on each of two ends thereof and each first connection portion has multiple first flat surfaces. Two flange parts are respectively connected to the two ends of the tube and each have a connection part and a second connection portion on two opposite sides thereof. The second connection portion includes an extension part and a groove is defined between the extension part and the flange part. The extension part is shaped to be inserted into the first connection portion corresponding thereto. A tubular member extends through the connection part and the second connection portion of each of the two flange parts. At least one bearing is located between the two flange parts and the tubular member. Two end rings are respectively connected to the connection parts. | 2011-09-22 |
20110227402 | MOTOR VEHICLE AXLE COMPONENT AND METHOD FOR PRODUCING A MOTOR VEHICLE AXLE COMPONENT - The invention relates to a motor vehicle axle component and a method for producing a motor vehicle axle component. The axle component, for example a dead beam axle, includes a light metal body, such as aluminum or magnesium or corresponding alloys, and a tubular body in form of a steel tube, which are adhesively connected with each other. An adhesive pocket filled with an adhesive is formed between an end of the tubular body and a cylindrical receptacle of the light metal body. Respective bezels are arranged on a free end of the receptacle and on a free end of the tubular body. The spaces between the respective bezels and adjacent walls are filled with adhesive, which seals the interior and exterior transition regions of the joint zone, thus protecting the joint zone against corrosion, improving the load characteristic of the axle component and increasing its service life. | 2011-09-22 |
20110227403 | MOBILIZATION DEVICE - A mobilization device adapted to be attached to a piece of conveying equipment such as a gurney. The device includes a base having a top and a bottom. The base supports an axle housing. An axle is disposed in the axle housing and extends therefrom. Wheel assemblies are disposed on the axle. The device includes a coupling receiver mounted on the top of the base. The coupling receiver includes a receiving element that can hold a support structure of the conveying equipment and hold the wheels of the conveying equipment off of the ground. The wheel assemblies of the device are used to move the conveying equipment and include tires having a relatively larger height and width to aid in increasing the mobility of the conveying equipment. | 2011-09-22 |
20110227404 | VEHICULAR BRAKE AND METHOD THERFOR - In one aspect, the present invention is directed to a vehicular brake ( | 2011-09-22 |
20110227405 | RESERVOIR TANK AND BRAKE SYSTEM USING THE RESERVOIR TANK - In a reservoir tank ( | 2011-09-22 |
20110227406 | CONTROL METHOD FOR ELECTRICAL ACCUMULATOR UNIT - A power generation system has a generator, a power converter, a power bus and an electrical accumulator. The electrical accumulator stores power when the generator generates excess power and supplements power from the generator when the generator generates insufficient power. | 2011-09-22 |
20110227407 | SYSTEMS AND METHODS FOR DEACTIVATING A MATRIX CONVERTER - Systems and methods are provided for deactivating a matrix conversion module. An electrical system comprises an alternating current (AC) interface, a matrix conversion module coupled to the AC interface, an inductive element coupled between the AC interface and the matrix conversion module, and a control module. The control module is coupled to the matrix conversion module, and in response to a shutdown condition, the control module is configured to operate the matrix conversion module to deactivate the first conversion module when a magnitude of a current through the inductive element is less than a threshold value. | 2011-09-22 |
20110227408 | Electric power generation system with multiple alternators driven by a common prime mover - An apparatus includes a vehicular electric power generation system comprising a variable speed internal combustion engine, a first variable speed electric power generator driven by the engine, a second variable speed electric power generator driven by the engine, a first inverter to receive electric power from the first generator a provide a first controlled electric output, a second inverter to receive electric power from the second generator and provide a second controlled electric output, and a controller coupled to the engine. The controller is responsive to variation in electrical loading of the first inverter and the second inverter and a degree of electrical load imbalance between the first inverter and second inverter to provide one or more engine control signals. The engine is responsive to the one more engine control signals to change rotational operating speed to adjust for the variation in electrical loading and the degree of electrical load imbalance. | 2011-09-22 |
20110227409 | RELAY AND POWER SUPPLY APPARATUS FOR VEHICLE - A relay includes contacts, a driving coil, a moving part, and a resistor. The driving coil generates a magnetic force in accordance with a command signal. The moving part is configured to be driven by the magnetic force to open and close the contacts. The resistor has a predetermined electrical resistance. When the command signal is at a first level, the relay is set to a first on-state in which the contacts are closed through the resistor. When the command signal is at a second level higher than the first level, the relay is set to a second on-state in which the contacts are closed through the moving part without the resistor. | 2011-09-22 |
20110227410 | MICRO-HYBRID SYSTEM PROVIDED FOR SUPPLYING POWER TO AN ELECTRICITY DISTRIBUTION NETWORK OF AN AUTOMOBILE - Described is a micro-hybrid system for an automobile including: 1)a rotating electrical machine (i.e., a starter/alternator); 2) at least one power converter connectable to an electricity distribution network of the automobile, this network including a power storage unit; and, 3)a control circuit capable of controlling the power converter to provide a power supply current to the electricity distribution network. The system additionally provides a device associated with the control circuit for controlling, during a change of state between the states of providing and not providing the power supply current to the electricity distribution network, an at least partially gradual variation in a charge voltage generated by the power converter so as to obtain a corresponding gradual variation in a network voltage of the electricity distribution network from a first network voltage value to a second network voltage value, a duration of the variation between the first and second network voltage values being predetermined so as to eliminate a negative effect or consequences (surges, dimming of lights, etc.) of a state change on the electronic environment of the micro-hybrid system. | 2011-09-22 |
20110227411 | SYSTEMS AND METHODS FOR DETECTING AND CORRECTING A SUBOPTIMAL OPERATION OF ONE OR MORE INVERTERS IN A MULTI-INVERTER SYSTEM - Provided is a system and method for detecting and correcting a suboptimal operation of one or more maximum power point tracking (MPPT) devices in a solar photovoltaic power generation (SPVPG) system. MPPT devices may become stuck in a local maximum in a power curve and fail to reach an optimal maximum power point. Described herein are methods and systems for detecting sub-optimal performance of an MPPT device and managing components within the SPVPG system to cause the MPPT device to track a different maximum power point. | 2011-09-22 |
20110227412 | DC VOLTAGE DISTRIBUTION SYSTEM - A DC voltage distribution system includes at least one load connected in parallel to a first DC power supply via a first distance of wire, and connected in parallel to a second DC power supply via a second distance of wire. The first and second DC power supplies are configured to enter a load sharing mode in which one of the first or second DC power supplies selectively increases its voltage to prevent the other of the first or second DC power supplies from exceeding its power output threshold. The DC power supplies are also configured to enter a load balancing mode in which the DC power supplies set their output voltages to the same value such that a flow of current on the longer of the wire distances is reduced and a flow of current on the shorter of the wire distances is increased. | 2011-09-22 |
20110227413 | POWER SUPPLY APPARATUS - A power supply apparatus is provided. The power supply apparatus includes two power suppliers coupled in parallel so as to simultaneously supply the electric power required by an electronic product in operation. The power supply apparatus provided by the invention may stably/accurately output the desired DC output voltage to the electronic product, and may further in advance increase a main power generated inside the other power supplier when one of the power suppliers is over voltage, thereby avoiding an oversized voltage drop from occurring in the DC output voltage. | 2011-09-22 |
20110227414 | CELL SITE POWER SYSTEM MANAGEMENT, INCLUDING BATTERY CIRCUIT MANAGEMENT - Systems, apparatuses, and methods for managing battery circuits in systems such as wireless communications service base stations are disclosed. An example apparatus includes a battery circuit having multiple strings of one or more serially connected batteries. The apparatus may be configured to rotate between battery strings such that one or more strings are maintained at or near an upper threshold while other string(s) are disconnected from the maintained string(s). The apparatus may also be configured to charge the battery circuit, to test the battery circuit, and to handle power failures. | 2011-09-22 |
20110227415 | METHOD AND APPARATUS FOR PROVIDING UNINTERRUPTIBLE POWER - Methods and apparatus for providing uninterruptible power are provided by aspects of the invention. One aspect is more particularly directed to an uninterruptible power supply for providing power to a load. The uninterruptible power supply includes an input to receive input power, an output to provide output power, a plurality of battery modules that provide backup power, a power circuit coupled to the input, coupled to the plurality of battery modules and coupled to the output to provide power derived from at least one of the input power and the backup power to the output, a controller, a return line coupled to the controller and coupled to each of the battery modules, and a first sense line coupled to the controller and coupled to the plurality of battery modules. The controller and each of the battery modules are configured and arranged such that at least one characteristic of the battery modules is determined by the controller based on signals detected by the controller on the first sense line. | 2011-09-22 |
20110227416 | DIRECT CURRENT UNINTERRUPTIBLE POWER SUPPLY DEVICE FOR A DATA-PROCESSING SYSTEM WITH AT LEAST ONE PROCESSOR - A direct current backup power supply device of a data processing system with at least one computer supplied with very low voltage whose direct current power supply is connected to an alternating current power supply system using an AC/DC converter of alternating current into direct current includes means for storing electrical energy. The device also includes means for charging the means for storing electrical energy from a part of the direct current provided by the AC/DC converter to the very low voltage power supply of the data processing system, and means for discharging the stored energy in the means for storing electrical energy to the very low voltage power supply of the data processing system, to a noticeably constant predetermined very low voltage, following the detection of a micro-cut of the supply system. | 2011-09-22 |
20110227417 | Renewable Energy Delivery Systems and Methods - A system, method and/or apparatus for the delivery of energy at a site, at least a portion of the energy being delivered by at least one or more of a plurality of renewable energy technologies, the system and method including calculating the load required by the site for the period; calculating the amount of renewable energy for the period, including obtaining a capacity and a percentage of the period for the renewable energy to be delivered; comparing the total load to the renewable energy available; and, implementing one or both of additional and alternative renewable energy sources for delivery of energy to the site. | 2011-09-22 |
20110227418 | AC-TO-DC CONVERSION - A front-end converter in an uninterruptible power supply system includes: a boost circuit having first and second inputs, and positive, negative, and neutral output nodes, and being configured to provide a positive capacitor voltage between the positive and neutral nodes and to provide a negative capacitor voltage between the negative and neutral nodes; an inductor coupled to the first input; first AC and neutral AC inputs to receive AC power; a battery; a first device to selectively couple the inductor to the first AC input or a positive port of the battery; and a second device to selectively couple a negative port of the battery to the second input; where the inductor is shared between an online mode of the converter and an on-battery mode of the converter and the battery is coupled through the inductor to the first input during the on-battery mode. | 2011-09-22 |
20110227419 | Circuit Device, Electronic Apparatus And Power Supply Circuit - A circuit device includes a power supply circuit having a resonance circuit, and a logic circuit. The resonance circuit includes a first coil, and a second coil having a core section shared by the first coil. The logic circuit performs an adiabatic circuit operation with a power supply voltage generated by the resonance circuit. | 2011-09-22 |
20110227420 | WIRELESS POWER FEEDER, WIRELESS POWER RECEIVER, AND WIRELESS POWER TRANSMISSION SYSTEM - Power is fed from a power feeding coil L | 2011-09-22 |
20110227421 | NON-CONTACT POWER TRANSMISSION APPARATUS AND DESIGN METHOD - A non-contact power transmission apparatus is disclosed. The non-contact power transmission apparatus includes an alternating-current power source and a resonant system. The resonant system includes a primary coil connected to the alternating-current power source, a primary-side resonance coil, a secondary-side resonance coil, and a secondary coil is connected to a load. The apparatus also has a first capacitor and a second capacitor. A first resonant frequency, which is a resonant frequency of the primary-side resonance coil and the first capacitor, and a second resonant frequency, which is a resonant frequency of the secondary-side resonance coil and the second capacitor, are set to be equal to each other. The frequency of an alternating voltage of the alternating-current power source is set to match with the first resonant frequency and the second resonant frequency. | 2011-09-22 |
20110227422 | DC Capacitor Balancing - Methods and devices for balancing voltages of capacitors in an electronic circuit are provided. The device includes a chopper circuit having a chopper inductor. Further, the chopper circuit may detect voltages across capacitors as well as an output current of the electronic circuit. In addition, the device may include a chopper control unit receiving the output current then generating a signal representing charging of the chopper inductor based on the output current. Also, the chopper control unit may receive the voltages across the capacitors and detect an imbalance between the voltages based on a polarity of the output current. Additionally, the chopper control unit may transfer of charge between the two capacitors, using the chopper inductor. Further, the chopper inductor is substantially discharged, during the transfer of charge between the capacitors. | 2011-09-22 |
20110227423 | COIL ASSEMBLY FOR LINEAR MOTOR - A coil assembly for a linear motor includes a coil unit which has multiple adjacently arranged coils, a base, and a resin encapsulated layer. The coils have two corresponding vertical action sides, a first non-action side, and a second non-action side. The coils further form multiple interlaced first bending sections on the first non-action side. Plural conducting wires disposed on the second non-action side could connect to an external cable on an end section of the coil unit. The base has a receiving slot thereon. The cross-section of the receiving slot corresponds in shape to that of the first bending sections for insertion of the coils. The resin encapsulated layer covering the coils and sealing the receiving slot of the base increases the contacting area between the coils and the inner wall of the receiving slot of the base to enhance the heat dissipation rate. | 2011-09-22 |
20110227424 | RARE-EARTH SINTERED MAGNET, ROTATOR, AND RECIPROCATING MOTOR - The present invention relates to a rare-earth sintered magnet | 2011-09-22 |
20110227425 | SUSPENSION SYSTEM FOR VEHICLE - Disclosed are an apparatus, a system, and a method for suspension of a vehicle. An electromagnetic generator generates an electrical energy in response to a relative movement between a vehicle body and a wheel assembly. A storage device stores the electrical energy generated from the electromagnetic generator. | 2011-09-22 |
20110227426 | LINEAR VIBRATOR - Disclosed herein is a linear vibrator having a mass body which is accommodated in a casing defining an internal space and is vibrated. The linear vibrator includes a bracket supporting the linear vibrator from a lower position. The bracket has a depression in a bottom thereof such that a coil lead wire of a coil is placed in the depression, thus preventing friction between the coil lead wire and a movable unit. | 2011-09-22 |
20110227427 | LINEAR VIBRATOR - The linear vibrator includes a base forming a hollow space, a suspension fixed on the base, and an oscillating portion suspended in the hollow space by the suspension. The suspension defines a flat part, a connecting portion bent downward from the flat part, and a spring portion extended horizontally in a direction parallel to flat part from the end of the connecting portion. The suspension is directly connected with the outside component, thereby transmitting the vibration to the outside component rapidly. | 2011-09-22 |
20110227428 | STATOR STRUCTURE FOR ELECTRIC MACHINE - An electric machine includes a stator stack of laminations, pierced with a cylindrical-walled passage intended to house a rotor that rotates about an axis inside the stator, creating an air gap between the two, and a casing enclosing the resulting assembly in whole. The stator includes a magnetic circuit of laminations stacked between first and second terminal faces crossed, firstly, by the cylindrical passage and, secondly, by a series of slots housing conductors, which are folded over, in winding heads potted in a block of resin, from one slot to the next as they leave each terminal face, to form coils. An external lateral wall of the magnetic circuit is blocked on an inside portion in an internal lateral wall of a casing sleeve to form an entity capable of withstanding torques generated in the air gap during operation. A thin and flexible electrical insulating reinforcing piece is interposed between an internal wall of a first tubular end and a corresponding portion of the block of resin, which surrounds a region of the winding heads in which the conductors follow a looped path in the block of resin. A wedging unit that wedges the insulating reinforcing piece in position is provided to prevent the insulating reinforcing piece from protruding axially internally on the internal wall with respect to the region so as to leave a determined annular sector of the internal wall in direct adhering contact with the block of resin. | 2011-09-22 |
20110227429 | POWER TOOL - A power tool in the form of an electric disc grinder has a driving motor for driving a grinding wheel that performs a grinding or polishing operation on a workpiece, a motor housing that houses the driving motor, a rear cover that is mounted to a rear end region of the motor housing and forms together with the motor housing a grip to be held by a user, and a power switch including an operating lever that extends longitudinally on both of the motor housing and the rear cover and is operated by gripping with a user's hand, and a switch part that is disposed within the rear cover and actuated by operation of the operating lever to control energization of the driving motor and connected to the operating lever through an opening. | 2011-09-22 |
20110227430 | Power Tool - According to an aspect of the present invention, there is provided a power tool including: a brushless motor; switching elements that drive the brushless motor; a circuit board on which the switching elements are mounted; a transmission portion that transmits a driving force of the brushless motor; and a housing that houses the brushless motor, the switching elements, the circuit board and the transmission portion therein, wherein the switching elements include semiconductor elements each having terminals on a bottom surface thereof, and wherein the switching elements are surface mounted on the circuit board. | 2011-09-22 |
20110227431 | DYNAMOELECTRIC MACHINE - The invention relates to a dynamoelectric machine ( | 2011-09-22 |
20110227432 | ROTATING ELECTRICAL MACHINE - A rotating electrical machine includes a flange provided at one end of a substantially rectangular, hollow frame in an axial direction; a lid provided at the other end of the frame in the axial direction; a rotor including a shaft, the shaft being rotatably supported by the flange and the lid; a stator fixed to an inner section of the frame, the stator surrounding the rotor; and a plurality of fans provided on opposite side surfaces of the frame in a plan view of the frame as viewed in the axial direction. | 2011-09-22 |
20110227433 | ELECTRICAL MOTOR APPARATUS HAVING IMPROVED COOLING SYSTEM - An electric motor apparatus having an improved cooling system comprising a first compartment housing an electric motor mounted on a rotating shaft, a second compartment housing an electric circuit adapted to connect said electric motor to a power supply source, and a cooling system adapted to dissipate the heat generated by said electric motor apparatus. The cooling system comprises a fan mounted on said rotating shaft in a position adjacent to said second compartment and on the opposite side with respect to said first compartment and at least one finned heat exchanger adapted to dissipate the heat generated by said electric circuit inside said second compartment. | 2011-09-22 |
20110227434 | Drive Unit For A Motor Vehicle With An Electric Machine - A drive unit for a motor vehicle having an electric machine including a rotor mounted so as to be rotatable around an axis A and coupleable, with a driveshaft acting on the vehicle wheels, and a stator having an electric winding whose terminations are connected to a power source by a connection device arranged at a housing opening of the drive unit and guided through this opening. A housing element encloses the rotor and the stator on the radially outer side. To arrange the connection device such that the installation space is optimized, the winding terminations are connected to first contact elements arranged fixed in position at the stator constructed as axial connectors with respect to the electric machine, and constitute stator contacts. These first contact elements are connected to second contact elements constructed to correspond to the first contact elements arranged at a wall area of the drive unit, and constitute wall contacts. The wall contacts are electrically connected to the connection device or form this connection device. | 2011-09-22 |
20110227435 | MOTOR LOCK APPARATUS AND DRIVE APPARATUS FOR VEHICLE - A motor lock apparatus which can lock a rotor by a relatively simple structure and is advantageous to downsizing. The motor lock apparatus is applied to a motor generator having a stator and rotor which are installed so as to be rotatable relative to each other about a common axis, where the rotor has circumferentially arranged salient rotor poles projecting toward the stator. The motor lock apparatus has a lock plate and an actuator. The lock plate is fixed so as not to be rotatable about the axis and is movable between a locked position at which the lock plate is inserted between the salient rotor poles of the rotor and an unlock position at which the lock plate removed from between the salient rotor poles. The actuator drives the lock plate between the locked position and the unlocked position. | 2011-09-22 |
20110227436 | ELECTROMAGNETIC CLUTCH - An electromagnetic clutch includes a motor, a worm wheel rotatably driven by a motor, a rotor having an electromagnetic coil and rotatable about a same rotational axis as the worm wheel, an armature that is mounted to the worm wheel and is pulled into contact with the rotor upon application of electric power to the electromagnetic coil, so that the armature is rotated with the rotor, a cover member configured to cover the rotor and the armature, and a power supply mechanism disposed between the cover member and the rotor and connected to a power source for supplying power to the electromagnetic coil. The power supply mechanism includes a fixed frame body having a first power supply portion for receiving the power from the power source and fixed to the cover member, a rotary frame body having a second power supply portion in contact with the first power supply portion for supplying the power to the electromagnetic coil, the rotary frame body being fixed to the rotor and rotatably engaged with the fixed frame body; and a plate-like conducting member provided in the cover member, the conducting member coming into contact with a portion of the first power supply portion projecting from the fixed frame body. | 2011-09-22 |
20110227437 | ROTATING ELECTRICAL MACHINE - A rotating electrical machine includes a flange provided at one end of a hollow frame in an axial direction; a rotor including a shaft, the shaft being rotatably supported by the flange; and a stator fixed to an inner section of the frame, the stator surrounding the rotor. The rotor includes a first rotor core and a second rotor core arranged in the axial direction and having recesses formed in the axial direction, and a rotor-core space defined by the recesses that are formed in the first rotor core and the second rotor core and that face each other. | 2011-09-22 |
20110227438 | Self Generating Motor-Generator Assembly - A self generating motor-generator assembly having a universal motor with AC input terminals and DC input terminals and a generator having a shaft mechanically coupled to the universal motor to generate a DC potential which is fed to the DC input terminals of the universal motor to cause the universal motor to rotate the generator shaft. A second motor which is mechanically coupled to the generator shaft is provide to increase the speed of the generator to its rated speed when the universal motor does not drive the shaft of the generator to rotate at its rated speed. | 2011-09-22 |
20110227439 | ELECTRIC MACHINE - An electric machine has a stator and a rotor. The stator has a housing and at least one pair of magnetic poles. Each magnetic pole has a primary magnet and two auxiliary magnets disposed on respective sides of the primary magnet. All of the magnets are disposed on an inner surface of the housing. All the magnets of a magnetic pole have the same polarity. | 2011-09-22 |
20110227440 | ELECTRIC MOTOR WITH NO COUNTER ELECTROMOTIVE FORCE - An electromagnetic motor system with no counter/back electromotive force due to the ability of the system to change from one magnetic state to another magnetic state in a defined sequence. In the first state a kinetic energy component is added to the system's rotor where two permanent magnetic materials, which are affixed to the rotor, are allowed to come into an angular range such that they act in a symmetrical manner on a fixed soft ferromagnetic material. This fixed soft ferromagnetic material also acts as the core of an electromagnetic coil and when the rotor's permanent magnets are at the closest proximity to the soft ferromagnetic core a voltage is applied across the coil, resulting in the soft ferromagnetic coil being saturated in a horizontal manner where previously it was polarized in a vertical manner while under the influence of the rotor's two permanent magnets. | 2011-09-22 |
20110227441 | POLE RETENTION CONFIGURATION FOR ELECTRIC MACHINE ROTORS - A retention system in which rotor pole pieces are retained within complementarily shaped channels in a rotor hub, permanent magnets are secured between the pole pieces and within clamp members, and wedge-shaped pieces are used to apply positive locking forces along the axial length of each clamp member and of adjacent pole pieces. A curable resin preferably in disposed within gaps between the permanent magnets and the clamp members. | 2011-09-22 |
20110227442 | ELECTRIC MACHINE - The invention relates to a synchronous machine with hybrid energisation, in particular a generator for supplying the electrical system of a motor vehicle, comprising a laminated stator ( | 2011-09-22 |
20110227443 | STATOR AND MANUFACTURING METHOD THEREOF - The invention has an object to provide a stator including coils that protrude less in the radial direction of the stator and can be made smaller in the radial direction of the stator, and a method of manufacturing the same. In the stator, the conductor having a rectangular cross section is formed in a continuous meandering fashion, the conductor including: a plurality of in-slot portions arranged inside a slot of the stator such as to be overlapped with one another in a circumferential direction of the stator with long sides of the rectangle being oriented along a radial direction of the stator; a plurality of circumferential portions arranged at a coil end such as to be overlapped with one another in the radial direction of the stator with short sides of the rectangle oriented along the radial direction of the stator; a bent portion connecting the in-slot portion and the circumferential portion; and a twisted portion formed in the bent portion, the bent portion including a first bend formed on a side of the circumferential portion and a second bend formed on a side of the in-slot portion. | 2011-09-22 |
20110227444 | ROTATING ELECTRICAL MACHINE VOLTAGE EQUALIZATION TOPOLOGY - A winding for an electric machine having a plurality of coils wound about a lamination stack or other suitable ferro-magnetic carrier, comprising each of several phases. Each of several filars comprising said coils distributed circumferentially around the laminations in a woven manner. Each of said filars consisting of one or more continuous conductors deposed into lamination slots in such manner that each filar is equidistant from the axis of the stator. | 2011-09-22 |
20110227445 | STATOR AND COIL - A stator comprises: a stator core having a plurality of slots; and a cage coil formed of a rectangular combined conductor that is wound by a plurality of turns. The combined conductor includes: a first conductor formed in a continuous zig-zag pattern; a second conductor formed in a continuous zig-zag pattern, the first and second conductors being combined to overlap one on the other with a displacement of one pitch; conductor in-slot portions overlapped and mounted in each of the slots of the stator core; conductor connecting portions placed circumferentially on the outside of the slots; and conductor stepped portions connecting the conductor in-slot portions and the conductor connecting portions. | 2011-09-22 |
20110227446 | Stator for rotary electric machine and method for making same - An external stator for an electrical rotating machine, the stator including a substantially cylindrical sheath and a laminated magnetic circuit, said magnetic circuit comprising a first stack of yoke metal sheets arranged perpendicularly to the axis of the stator, the first stack forming an external covering for the magnetic circuit; and a second stack of star-shaped metal sheets arranged perpendicularly to the axis inside said external covering, the star-shaped sheets being made integral with said external covering; wherein the stack of yoke metal sheets is held in the sheath between a first axial stop integral with the sheath and a clamping washer, the clamping washer being shrink-fitted into the sheath. | 2011-09-22 |
20110227447 | Brush And Brush Housing Arrangement To Mitigate Hydrodynamic Brush Lift In Fluid-Immersed Electric Motors - A brush and brush housing arrangement for use with an electric brushed motor containing viscous fluid. The brush and brush housing arrangement comprises a brush housing and at least one brush. The at least one brush comprising a first end that is in contact with a rotating commutator of the motor when in use and an opposed second end. At least one open-faced channel in a surface of the brush extends from the first end to the second end. The open-faced channel provides an exit for entrained fluid from the brush and brush housing, minimizing or eliminating brush lift caused by fluid being forced between the rotating commutator and the brush. Additional pressure relief channels for allowing escape of entrained fluid may be located in the housing. | 2011-09-22 |
20110227448 | APPARATUS AND METHOD FOR DRIVING CAPACITIVE ELECTROMECHANICAL TRANSDUCTION APPARATUS - An apparatus is configured to drive a transduction apparatus including a cell with a first electrode and a second electrode disposed so as to oppose each other via a gap. The apparatus includes a timing detection unit and a control unit. The timing detection unit detects a timing of outputting of an electromagnetic wave from an electromagnetic wave source configured to output the electromagnetic wave to irradiate an object to be measured. The control unit drives and controls the transduction apparatus in synchronization with the detected timing such that the capacitive electromechanical transduction apparatus is put in a receiving state only for a period in which an acoustic wave generated in an inside of the object irradiated with the electromagnetic wave is received. | 2011-09-22 |
20110227449 | ULTRASONIC SENSOR - An ultrasonic sensor includes a support body having an opening, a support film closing the opening, a piezoelectric body disposed on the support film in an inner region of the opening in a plan view, a first resin material forming a first space closed off from an outside space between the first resin material and the support film in at least a region in which the opening is formed in the plan view and the first resin material having an contacting portion facing the opening and being configured to contact with a test object, a second resin material forming a second space closed off from the outside space and communicating with the first space, and an ultrasonic wave transmitting medium filling the first and second spaces. A flexible portion having lower rigidity than the support film in the film thickness direction is provided in a portion of the second resin material. | 2011-09-22 |
20110227450 | RESONATOR BODY, RESONATOR DEVICE, AND ELECTRONIC DEVICE - A resonator body includes a base portion, resonating arms that are extended from the base portion, piezoelectric body elements that are arranged on the resonating arms, first electrode layers that are arranged on the resonating arms, piezoelectric body layers that are arranged on the first electrode layers and second electrode layers that are arranged on the piezoelectric body layers, and a plurality of fine holes that penetrates at least any one layer of these layers in a thickness direction is formed. | 2011-09-22 |
20110227451 | RESONATOR BODY, RESONATOR DEVICE, AND ELECTRONIC DEVICE - A resonator body of a resonator device includes a base portion, two resonating arms that are extended from the base portion in a Y axis direction and arranged in parallel to an X axis direction that is orthogonal to the Y axis direction, and excitation electrodes that are arranged on each of the resonating arms in a pair and excite the resonating arms by applying an electric current, wherein a plurality of holes that partially penetrates at least one side of a pair of excitation electrodes in a thickness direction is formed so that the vibration characteristic of the resonating arm is adjusted. | 2011-09-22 |
20110227452 | RESONATOR ELEMENT, RESONATOR, ELECTRONIC DEVICE, AND ELECTRONIC APPARATUS - A resonator element includes at least one resonating arm that vibrates in a torsional mode, wherein the resonating arm includes a structural portion having a first portion disposed in a first direction in a sectional view in the width direction and a second portion connected to the first portion so that the center of gravity departs from the center of gravity of the first portion in the first direction and a second direction perpendicular to the first direction, wherein the first portion vibrates in a stretch mode in the length direction of the resonating arm with an application of a voltage, and wherein the second portion does not substantially vibrate in the stretch mode in the length direction of the resonating arm with the application of the voltage or vibrates in a stretch mode with a phase different from that of the first portion. | 2011-09-22 |
20110227453 | VIBRATION WAVE DRIVING APPARATUS AND METHOD OF MAKING VIBRATING BODY THEREOF - An apparatus includes a vibrator, the vibrator including a vibrating body on which a protrusion having a spring characteristic is formed and an electromechanical energy conversion element, wherein the vibrator performs an elliptical motion so as to drive an object that is in contact with the protrusion, and wherein the protrusion is integrally formed with the vibrating body from one member in a partial area of the vibrating body with respect to a longitudinal direction and a width direction via a plurality of slits or cutouts. | 2011-09-22 |
20110227454 | VIBRATOR IN VIBRATION TYPE DRIVING APPARATUS AND MANUFACTURING METHOD THEREOF - A vibrator which constitutes a vibrating device of a vibration-type driving apparatus which comprises the vibrating device bonded to an electromechanical-energy-conversion element and comprising the vibrator having a projection portion, in which the vibrating device is constituted so that elliptic motion can arise at the projection portion by applying an alternating electric field to the electromechanical-energy-conversion element, and which moves by the elliptic motion a driven object being in contact with the projection portion in a direction intersecting with a width direction, wherein the vibrator comprises a base and the one/plural projection portions, the projection portion has at least two wall portions extending in a base out-of-plane direction and a contact portion having a contact surface with the driven object, and the contact surface connects the wall portions, and in boundary portions between the base and the wall portions, displacement directions are at a same position in a normal direction. | 2011-09-22 |
20110227455 | FLAT STACKED-TYPE CONDUCTIVE POLYMER ACTUATOR - A first conductive polymer film, a plate-shaped first porous member, a second conductive polymer film, and a plate-shaped second porous member are stacked on one another, and the adjacent members are connected with each other on one end portions so as to form a zigzag pattern. The first and second porous members each have an ionic solution injected thereinto so as to function as an electrolyte retention layer, so that operations can be carried out with tensions being always maintained upon both of the expansion and the contraction, and rigidity and a driving force can be exerted in both of the contracting and expanding directions. | 2011-09-22 |
20110227456 | Piezoelectric Power Generator - A piezoelectric power generator that performs conversion between kinetic energy and electrical energy. The piezoelectric power generator is equipped with a beam, a piezoelectric element and a flexible body. The piezoelectric element is bonded to a surface on one side of the beam. The flexible body is arranged on a side of the beam that is opposite to that on which the piezoelectric element is provided. A portion of the beam is connected to the flexible body. The beam is configured such that stress is applied to the beam when the flexible body is deformed into a concave shape with respect to the beam, whereas a stress is not applied to the beam when the flexible body is deformed into a convex shape with respect to the beam. | 2011-09-22 |
20110227457 | PIEZOELECTRIC VIBRATING PIECES AND DEVICES, AND METHODS FOR MANUFACTURING SAME - Piezoelectric vibrating pieces are disclosed having selectively roughened surfaces. An exemplary piece is made of a piezoelectric material configured as a piezoelectric substrate. The piece also includes at least one excitation electrode and at least one extraction electrode. The substrate has opposing main surfaces initially having low surface roughness. At least one main surface is formed in a mesa or reverse mesa manner, wherein the central region has a different thickness than the peripheral region. The central region has relatively low surface roughness (irregular unevenness), while the peripheral region has relatively high surface roughness. The excitation electrode is formed on the central region (mesa or reverse mesa) while the extraction electrode (connected to the excitation electrode) is formed on the peripheral region. | 2011-09-22 |
20110227458 | PIEZOELECTRIC RESONATOR ELEMENT, PIEZOELECTRIC DEVICE, AND ELECTRONIC APPARATUS - A piezoelectric resonator element and a piezoelectric device, which prevent the vibration of the resonating arm section from leaking to the side of the base portion and stabilize the vibration of the resonating arm section, and an electronic apparatus using these devices are obtained. The quartz crystal resonator element as the piezoelectric resonator element is provided with a base portion formed of a piezoelectric material, a plurality of resonating arm sections each extending from the base portion via an arm base section, and an elongated groove section formed along a longitudinal direction of the resonating arm section, and the arm base section has an arm width, which is larger than an arm width of the resonating arm section and smaller than a distance between imaginary centerlines of the respective resonating arm sections in a width direction of the resonating arm section. | 2011-09-22 |
20110227459 | ROTATING ELECTRICAL MACHINE - A rotating electrical machine includes a frame, a flange, a rotor, a stator, and a plurality of reinforcing bars. The frame has a plurality of side surfaces surrounding a space to form a substantially polygonal shape in a plane perpendicular to an axial direction of the frame. The side surfaces have a first side surface and a second side surface opposite to the first side surface. The frame has an end portion in the axial direction. The flange is provided at the end portion of the frame. The rotor is provided in the space and includes a shaft that is rotatably supported by the flange. The stator is provided in the space to be fixed to an inner section of the frame and to surround the rotor. The reinforcing bars intersect each other and are provided on the first side surface and the second side surface, respectively. | 2011-09-22 |
20110227460 | PACKAGING IMPROVEMENT FOR CONVERTER-FED TRANSVERSE FLUX MACHINE - A transverse flux machine has at least three phases, each provided by a stator core and phase windings. Each of the at least three phases is captured within a common housing. Parallel lines extend from the at least three phases, and a current source converter is created on each of the parallel lines by inductors, a switching network, and communicating capacitors, which are received within the common housing. | 2011-09-22 |
20110227461 | System for Collecting Stray Energy - A converter system for generating electrical signal from an optical signal utilizes a collector for collecting an energy source as an optical signal. The collected optical signal is transmitted to a receiver which is associated with a converter for converting the optical signal to an electric signal. In one embodiment the converter system is incorporated in an electric motor of the type having a housing, a rotating shaft mounted in the housing, a commutator on the shaft, and a pair of permanent magnets, whereby the shaft is rotated in response to electrical power being applied to the commutator. The system includes an optical collector mounted in the housing in non-interfering relationship with the commutator and the shaft, whereby the optical collector is adapted for generating an optical signal from the stray energy in the motor housing when power is applied to the motor and the shaft is rotating. The optical signal thus generated is transmitted to the receiver. | 2011-09-22 |
20110227462 | HOUSEHOLD APPLIANCE HAVING AN EMBOSSED WALL - A household appliance includes a cabinet-shaped housing comprised of a plurality of walls. At least one of the walls has an arrangement of embossings. The arrangement of embossings includes a first embossing arranged centered in relation to a center of the at least one wall and configured in the shape of a ring when viewed from above. A second embossing is arranged outside the first embossing in substantial concentric relationship to the first embossing and configured in the shape of a ring when viewed from above. At least one third embossing is arranged outside the second embossing and has a strip-shaped configuration. The presence of embossings in the at least one wall is able to reduce vibrations and thereby significantly reduce the amount of unwanted noise. | 2011-09-22 |
20110227463 | CARRYING CASE - A carrying case for an electronic device includes a main compartment receiving the electronic device and having an opening as an entrance, a cover foldably fixed on the main compartment for covering the opening, a first supporting member positioned on the cover and a second supporting member positioned on the cover and spaced from the first supporting member, a first engaging member and a first fixing member. The first supporting member and the second supporting member are capable of forming a V-shaped ridge structure when the cover is partially elevated above the main compartment and supporting the electronic device. The first engaging member is fixed on the first fixing member to maintain the V-shaped ridge structure. | 2011-09-22 |
20110227464 | HOUSING OF PORTABLE ELECTRONIC DEVICE - A housing of a portable electronic device includes a first frame unit, a second frame unit, and a panel unit. The first frame unit includes a plurality of retaining members. The second frame unit includes a plurality of fastening members. The panel unit includes a plurality of holding members corresponding to the retaining members and a plurality of assembling members corresponding to the fastening member. The retaining members and the holding members are correspondingly assembled together to assemble the first frame unit to the panel unit, and the fastening members and the assembling members are correspondingly assembled together to assemble the second frame unit to the panel unit. | 2011-09-22 |
20110227465 | MOUNTING APPARATUS FOR DATA STORAGE DEVICE - A mounting apparatus for a data storage device can prevent a bracket without data storage device from being placed in a computer enclosure. When the data storage device is not mounted in a bracket, a first end of a baffle extends into the bracket, a second end of the baffle extends out of the bracket under torque of a torsion spring. When the data storage device is mounted in the bracket, the data storage device drives the baffle to receive in the bracket. | 2011-09-22 |
20110227466 | SERVER ENCLOSURE AND SERVER ENCLOSURE ASSEMBLY - A server enclosure includes a top plate and a bottom plate. The top plate defines a guiding channel extending along a first direction. The bottom plate parallels to the top plate. The bottom plate protrudes a guiding member. The guiding channel and the guiding member are aligned long a direction perpendicular to the top plate, and the guiding channel is boarder than the guiding member. | 2011-09-22 |
20110227467 | MEDIA ISLAND - This invention presents a media island with a table element mounted around and onto a kiosk body. The table element can have a plurality of ashtrays. The table element can also have a plurality of drink recesses or cup holders. The table element can be comprised of two-piece table element. | 2011-09-22 |
20110227468 | DEVICE HAVING A STAND WITH EJECTION MECHANISM - A device includes a housing defining a first opening, and a casing fixed within the housing defining a second opening opposite to the first opening. The device also includes a sliding member slidably received in the casing, and a stand pivotally connected to the sliding member including an end received in the first opening. A retaining member is slidably connected to the casing to magnetically attract the sliding member to retain the sliding member at a predetermined position. An ejection mechanism is arranged within the casing to be pushed by the retaining member to push the sliding member to move the end out of the first opening. | 2011-09-22 |
20110227469 | LED LAMP WITH REMOTE PHOSPHOR AND DIFFUSER CONFIGURATION UTILIZING RED EMITTERS - Lamps and bulbs are disclosed generally comprising different combinations and arrangement of a light source, one or more wavelength conversion materials, regions or layers which are positioned separately or remotely with respect to the light source, and a separate diffusing layer. This arrangement allows for the fabrication of lamps and bulbs that are efficient, reliable and cost effective and can provide an essentially omni-directional emission pattern, even with a light source comprised of a co-planar arrangement of LEDs. Additionally, this arrangement allows aesthetic masking or concealment of the appearance of the conversion regions or layers when the lamp is not illuminated. Some embodiments of the present invention utilize LED chips to provide one or more lighting components instead of providing the components through phosphor conversion. This can provide for lamps that can be operated with lower power and can be manufactured at lower cost. In one embodiment, a red lighting component can be provided by red emitting LEDs as opposed to a red conversion material. | 2011-09-22 |
20110227470 | B-K electrode for fixed-frequency particle accelerators - An electrode for fixed-frequency particle accelerators geometrically compensating for relativistic mass increase by placing the acceleration gap at the location of the particle at each peak of the accelerating electric field. | 2011-09-22 |
20110227471 | Integrally ballasted lamp assembly including a spacer disk - An integrally ballasted lamp assembly ( | 2011-09-22 |
20110227472 | Spark Plug and Method for Manufacturing a Spark Plug - What is described is a spark plug ( | 2011-09-22 |
20110227473 | RADIATION LAMP AND RADIATION SOURCE MODULE INCORPORATING SAME - A lamp device is disclosed. The lamp device comprises a first electrical connector and a second electrical connector located at a first end portion of the lamp device. The first end portion of the lamp device is received in a receptacle of a first base portion. A first locking portion is included for secunng the first base portion to the first end portion. The present radiation lamp device obviates or mitigates the need to use adhesive and/or polymer insulation/O-rings to achieve electrical connections. Further, the present radiation lamp may be oriented in a vertical orientation without the need to use springs and/or rubber part to support the distal end of the lamp. | 2011-09-22 |
20110227474 | PLASMA DISPLAY DEVICE - A plasma display device has a plasma display panel including phosphor layers | 2011-09-22 |
20110227475 | CO-DOPED 1-1-2 NITRIDES - The invention relates to compounds of the formula (I): (Ca,Sr,Ba) | 2011-09-22 |
20110227476 | LIGHT EMITTING DEVICE USING ORANGE-RED PHOSPHOR WITH CO-DOPANTS - Disclosed herein are lighting apparatuses having a light source, a first phosphor, and a second phosphor, wherein the lighting apparatuses exhibit increased R9 values. In some embodiments, the light source is configured to emit radiation having a wavelength of peak emission between about 495 nm and about 500 nm. The first phosphor may have a first wavelength of peak emission between about 495 nm and about 600 nm. The second phosphor may be represented by the formula RE | 2011-09-22 |
20110227477 | GARNET-BASED PHOSPHOR CERAMIC SHEETS FOR LIGHT EMITTING DEVICE - Some embodiments disclosed herein include a lighting apparatus having a composite. The composite may include a first emissive layer and a second emissive layer. The first emissive layer may include a first garnet phosphor having a common dopant. The second emissive layer may include a second garnet phosphor having the common dopant. In some embodiments, the first emissive layer and the second emissive layer are fixed together. Some embodiments disclosed herein include efficient and economic methods of making the composite. The method may include, in some embodiments, sintering an assembly that includes pre-cursor materials for the first emissive layer and the second emissive layer. | 2011-09-22 |
20110227478 | ORGANIC ELECTRIC FIELD LIGHT-EMITTING ELEMENT - An organic electric field light-emitting element, which contains: an anode; a cathode; and a light-emitting layer provided between the anode and the cathode, wherein the light-emitting layer contains two or more luminescent materials each giving a different emission peak, and a concentration ratio [(B/A)×100] in the light-emitting layer gradually increases along with the direction from an anode side of the light-emitting layer to a cathode side of the light-emitting layer, where A denotes a concentration of the luminescent material having the emission peak at the shortest wavelength side compared to the emission peaks of other luminescent materials, and B denote a concentration of the luminescent material having the emission peak at the longest wavelength side compared to the emission peaks of other luminescent materials, and wherein the light-emitting layer satisfies the relationship of: [(B/A)×100]≦10%. | 2011-09-22 |
20110227479 | PLASMA DISPLAY PANEL, METHOD FOR MANUFACTURING THE SAME, AND PLASMA DISPLAY APPARATUS - A plasma display panel includes: a front plate having a dielectric layer that is formed to cover display electrodes formed on a substrate, and a protective film that is formed on the dielectric layer; and a rear plate disposed facing the front plate so as to form a discharge space, which has a data electrode formed in a direction intersecting the display electrodes and has barrier ribs for partitioning the discharge space. The protective film is composed of oxide particles of a Group 2 component and contains phosphorus. | 2011-09-22 |
20110227480 | MAGNETRON AND DEVICE USING MICROWAVES - To provide a magnetron capable of suppressing generation of a reactive current and noise thereby improving oscillation efficiency, and a device using microwaves which includes the magnetron. A magnetron of the present invention includes: an anode cylinder including a plurality of anode vanes provided at a predetermined interval on an inner peripheral surface thereof; a center lead including a first linear portion, a second linear portion which is disposed parallel to the first linear portion and which is disposed out of alignment with the first linear portion in a plane perpendicular to an axial direction of the anode cylinder, and a bent portion which connects the first linear portion to the second linear portion; and a cathode filament which is supported by the center lead within the anode cylinder and which is placed coaxially with the anode cylinder. The center lead is formed so as to become bent between the first linear portion and the second linear portion by the bent portion. A position of one anode vane closest to the bent portion is higher than a position of another anode vane with respect to the axial direction of the anode cylinder. | 2011-09-22 |
20110227481 | LIGHT EMITTING DIODE PACKAGE AND LAMP WITH THE SAME - An LED package comprises a substrate, a constant current die, an LED die and an encapsulation body. The substrate has a plurality of internal conductive contacts and a plurality of external conductive contacts. The constant current die is electrically connected to the internal conductive contact, and comprises a constant current circuit and a protection circuit in parallel, wherein the constant current circuit allows a first current to flow through and the protection circuit allows a second current, in an opposite direction to the first current, to flow through. The LED die is electrically connected to the internal conductive contact. The encapsulation body encapsulates the constant current die, the LED die and the internal conductive contacts of the substrate. Having a small volume, the LED package can be applied to a compact lamp and prevents the LED from being damaged. An LED lamp comprising the LED package is also disclosed. | 2011-09-22 |
20110227482 | AUTOMOTIVE LAMP - Provided is an automotive lamp, and more particularly, an automotive lamp which can secure a forward long-range field of view without requiring an additional light source. The automotive lamp having a plurality of light distribution patterns of Class-W, Class-V, Class-C, Class-E, and High and includes: a plurality of lamp units in which light-emitting diodes (LEDs) turned on or off according to each of the light distribution patterns or having different illumination patterns are installed; an actuator driving the lamp units; and a controller enabling a switch from any one of the light distribution patterns to another one of the light distribution patterns by controlling at least one of the actuator and a value of current supplied to each of the lamp units. | 2011-09-22 |
20110227483 | Electrodeless Lamp Protecting Device - An electrodeless lamp protecting device installed between an electrodeless lamp and a power source comprises a substrate having a feedback signal input module, a signal level determination module and a protection signal output module installed on the substrate. A signal of the power source is transmitted from the feedback signal input module to the signal level determination module, and the signal serves as a reference for an output signal of the protection signal output module, such that the electrodeless lamp has an automatic protection function upon the receipt of an abnormal signal. | 2011-09-22 |
20110227484 | AC LED lamp involving an LED string having separately shortable sections - An LED lamp includes a rectifier, an integrated circuit and a string of series-connected LEDs. The lamp receives an incoming AC signal such that a rectified version of the signal is present across the LED string. The integrated circuit includes a plurality of power switches. Each power switch is coupled so that it can separately and selectably short out a corresponding one of several groups of LEDs in the string. As the voltage across the string increases the integrated circuit controls the power switches such that the number of LEDs through which current flows increases, whereas as the voltage across the string decreases the integrated circuit controls the power switches such that the number of LEDs through which current flows decreases. LED string current flow is controlled and regulated to provide superior efficiency, reliability, anti-flicker, regulation against line voltage variations, power factor correction, and lamp over-voltage, over-current, and over-temperature protection. | 2011-09-22 |
20110227485 | AC LED lamp involving an LED string having separately shortable sections - An LED lamp includes a rectifier, an integrated circuit and a string of series-connected LEDs. The lamp receives an incoming AC signal such that a rectified version of the signal is present across the LED string. The integrated circuit includes a plurality of power switches. Each power switch is coupled so that it can separately and selectably short out a corresponding one of several groups of LEDs in the string. As the voltage across the string increases the integrated circuit controls the power switches such that the number of LEDs through which current flows increases, whereas as the voltage across the string decreases the integrated circuit controls the power switches such that the number of LEDs through which current flows decreases. LED string current flow is controlled and regulated to provide superior efficiency, reliability, anti-flicker, regulation against line voltage variations, power factor correction, and lamp over-voltage, over-current, and over-temperature protection. | 2011-09-22 |
20110227486 | WHITE LED LIGHT SOURCE MODULE - A white LED light source module can have a white LED light source that includes a blue LED element and a fluorescent material in combination, and a member that can prevent the color of the fluorescent material itself from being directly observed when the light source module does not function as a light source. The white LED light source module can have a photosensor to detect external light. In a standby mode of the white LED light source module, the blue LED element can be supplied with a small driving current corresponding to the brightness of the external light detected by the photosensor, so that the white LED light source can be lit with the luminance substantially equal to the external light. | 2011-09-22 |
20110227487 | Light emitting display with light mixing within a film - In one embodiment, a light emitting device comprises an array of legs extending from a body of film with the bounding edges of the legs stacked, a first light source emitting light of a first color and a second light source emitting light of a second color into the stacked bounding edges where the light emitting region defined within the body is configured to extract light of a third color. In another embodiment, a light emitting device comprises three light sources positioned to direct light into a stacked array of bounding edges. In one embodiment, a method of generating light of adjustable color exiting a surface of a film is disclosed. | 2011-09-22 |
20110227488 | Road Lamp Structure Capable of Regulating Illumination Light Color - A road lamp structure capable of regulating illumination light color includes at least a road lamp body and a control module. The road lamp body includes an illumination light source and an auxiliary light source. An inside of the auxiliary light source contains a plurality of light emitting diodes (LEDs) with different wavelengths. The auxiliary light source can emit light colors at a wavelength range of 540 to 640 nm. The control module turns on or turns off the auxiliary light source under different environments for visible degrees, so as to provide clear illumination effect for users. | 2011-09-22 |
20110227489 | Reduced flicker AC LED lamp with separately shortable sections of an LED string - An LED lamp with an integrated circuit, a rectifier, and a string of series-connected LEDs rectifies an incoming AC signal. The integrated circuit includes power switches that can separately and selectably short out a corresponding one of several groups of LEDs in an LED string across which the rectified AC signal is present. As the voltage across the string increases, the integrated circuit controls the power switches to increase the number of LEDs through which current flows, whereas as the voltage across the string decreases the integrated circuit controls the power switches to decrease the number of LEDs through which current flows. The flow of LED string current is broken to reduce flicker. Alternatively, a valley fill capacitor peaks LED current during the valleys of the incoming AC signal to reduce flicker. LED current is regulated to provide superior efficiency, reliability, power-factor correction, and lamp over-voltage, -current, and -temperature protection. | 2011-09-22 |
20110227490 | AC LED lamp involving an LED string having separately shortable sections - An LED lamp includes a rectifier, an integrated circuit and a string of series-connected LEDs. The lamp receives an incoming AC signal such that a rectified version of the signal is present across the LED string. The integrated circuit includes a plurality of power switches. Each power switch is coupled so that it can separately and selectably short out a corresponding one of several groups of LEDs in the string. As the voltage across the string increases the integrated circuit controls the power switches such that the number of LEDs through which current flows increases, whereas as the voltage across the string decreases the integrated circuit controls the power switches such that the number of LEDs through which current flows decreases. LED string current flow is controlled and regulated to provide superior efficiency, reliability, anti-flicker, regulation against line voltage variations, power factor correction, and lamp over-voltage, over-current, and over-temperature protection. | 2011-09-22 |
20110227491 | FLUORESCENT LAMP APPLIANCE, AND LIGHTING CONTROL APPARATUS OF FLUORESCENT LAMP APPLIANCE - The present Invention provides 2-lamp parallel-type and 2-lamp serial-type fluorescent lamp fixtures, in which 2-lamp lighting and 1-lamp lighting are switchable according to an ON/OFF operation of a power supply switch. In a 2-lamp parallel-type or 2-lamp serial-type fluorescent lamp fixture provided with an inverter-type stabilizer, 2-lamp lighting and 1-lamp lighting are switched by a first control circuit ( | 2011-09-22 |
20110227492 | DRIVER SYSTEMS FOR DRIVING LIGHT EMITTING DIODES AND ASSOCIATED DRIVING METHODS - LED driver systems and associated methods of control are disclosed herein. In one embodiment, the LED driver system comprises a converter and a controller. The controller is responsive to the LED current feedback signal and a dimming signal, and operable to generate a continuous gate drive signal to control the primary side switch of the converter. Thus, the controller regulates the output current of the converter. | 2011-09-22 |
20110227493 | LIGHT EMITTING DIODE DRIVER SYSTEMS AND ASSOCIATED METHODS OF CONTROL - Light emitting diode (LED) dimming and driver systems and associated methods of control are disclosed herein. In one embodiment, a system comprises a PFC stage and an LED driver stage. The LED driver stage comprises an isolated converter and a controller responsive to a dimming signal to dim LED strings for backlight. The controller also regulates an output current of the isolated converter. | 2011-09-22 |
20110227494 | CIRCUIT BOARD INCLUDING LIGHT-EMITTING ELEMENTS AND DISPLAY APPARATUS INCLUDING THE CIRCUIT BOARD - A circuit board for a display apparatus includes a substrate, a plurality of light-emitting elements arranged substantially in a line on the substrate, and a plurality of branch lines connecting the light-emitting elements to each other in series. A first group of the plurality of branch lines is formed on a first side of the line of the plurality of light-emitting elements, and a second group of the plurality of branch lines is formed on a second, opposing side of the line of the plurality of light-emitting elements. | 2011-09-22 |
20110227495 | LIGHT EMITTING DIODE LIGHTING DEVICE - A lighting device comprises a mounting head having multiple facets each configured to retain an associated Light Emitting Diode (LED). The LEDs are mounted to the facets with a thermally conductive metal pad and thermally conductive adhesive. A connector for the lighting device inserts into a light socket and receives power for operating the LEDs. A heat transfer body is coupled between the mounting head and the connector and transfer heat generated by the LEDs downward from the mounting head and then radially outward. The mounting head, adhesive, metal pad, and heat transfer body form a heat transfer structure that more effectively removes heat generated by the LEDs. In one embodiment, a dimmer circuit is also provided that allows the LED lighting device to operate with conventional dimmer switches. | 2011-09-22 |
20110227496 | CIRCUITS AND METHODS FOR DRIVING LIGHT SOURCES - A controller for controlling dimming of a light-emitting diode (LED) light source provides a pulse signal by comparing a sensing signal indicative of a current flowing through the LED light source to a reference signal. The controller controls the current through the LED light source according to the pulse signal during a first state of a pulse-width modulation signal and cutting off the current through the LED light source during a second state of the pulse-width modulation signal. The controller receives a dimming request signal indicative of an operation of a power switch coupled between an AC power source and a bridge rectifier and adjusts both a level of the reference signal and a duty cycle of the pulse-width modulation signal based on the dimming request signal. | 2011-09-22 |
20110227497 | POWER SYSTEMS FOR DRIVING LIGHT EMITTING DIODES AND ASSOCIATED METHODS OF CONTROL - Embodiments of LED driver circuits and the associated methods are disclosed herein. In one embodiment, the LED driver circuit comprises a switch-mode converter, a controller, a feedback circuit, and a gating circuit. The feedback circuit includes a current balance circuit. The gating circuit is responsive to both a current feedback signal and a voltage feedback signal and is configured to select one of them as the feedback signal. | 2011-09-22 |