45th week of 2014 patent applcation highlights part 17 |
Patent application number | Title | Published |
20140327328 | DEFORMATION CONTROL DEVICE FOR A RESONANT SPRING IN A LINEAR DRIVING UNIT - The present device is applied to a linear driving unit which comprises: a linear electric motor (M) formed by a motor housing (C) which is electrically excited and affixed to a fixed structure ( | 2014-11-06 |
20140327329 | FIXING RESIN COMPOSITION, ROTOR, AUTOMOBILE, AND METHOD OF MANUFACTURING ROTOR - A solid fixing resin composition, which has excellent filling properties, and a rotor using the same are provided. The fixing resin composition is used to form a fixing member constituting a rotor which includes a rotor core ( | 2014-11-06 |
20140327330 | DYNAMOELECTRIC MACHINE HAVING ENHANCED ROTOR VENTILATION - A rotor and a dynamoelectric machine including a rotor are disclosed. In an embodiment, the rotor includes a rotor body having a plurality of axially extending slots disposed radially about the rotor body, and at least one coil having at least one turn positioned within each of the plurality of axially extending slots. The rotor further includes a plurality of subslots disposed in the rotor body such that each subslot extends axially through the rotor body parallel to an axis of rotation of the rotor body, and is in fluid communication with a radially inner end of a slot; a passageway extending substantially radially outwardly along each axially extending slot for cooling the at least one turn disposed in the slot; and a retaining member in each of the slots for retaining the at least one turn within the slot. Various embodiments provide ventilation via the passageway for cooling the rotor coils. | 2014-11-06 |
20140327331 | MAGNET-TYPE GENERATOR - A magnet-type generator | 2014-11-06 |
20140327332 | CONNECTING STRUCTURE FOR MOTOR - A rotational axis of a first motor | 2014-11-06 |
20140327333 | BRUSHLESS ELECTROMAGNETIC MOTOR - A brushless electromagnetic motor, preferably for use in dental handpieces, has a rotor set, a stator set, a plug set, a magnet, a motor cover kit and a motor end cap. The magnet is fixedly fitted in an interior space between said plug and said rotor. After connection of said rotor and said plug, said stator which grasps said rotor was covered by the motor cover kit, linking said motor end cap. By virtue of 360 degrees of magnetic attraction between said magnet and said rotor, said rotor can be maintained in the same horizontal rotation during operation, in case of vibration due to the centrifugal force caused by the rotation of the rotor, therefore enhancing the mass balance of said rotor, improving eccentricity, consequently increasing the balance of motor, decreasing vibration of the dental handpieces and improving both life span of dental handpieces and bearings of the motor. | 2014-11-06 |
20140327334 | METHOD FOR PRODUCING A CORONA SHIELD, FAST-CURING CORONA SHIELD SYSTEM, AND ELECTRIC MACHINE - The corona shield can be applied in electric machines in a faster manner by using radiation-cured materials. | 2014-11-06 |
20140327335 | ELECTROMAGNETIC COILS, METHOD OF MANUFACTURING SAME, AND INSULATING TAPES - An electromagnetic coil having an insulating coating formed by alternately laminating, on a coil conductor, a mica layer including mica and a reinforcing layer including fiber reinforcing material, inorganic particles and resin, wherein the inorganic particles include secondary agglomerate particles formed by agglomeration of primary particles of hexagonal crystal boron nitride. The electromagnetic coil is provided with an insulating coating that suppresses external outflow of inorganic particles and ensures favorable thermal conductivity. Furthermore, the invention also provides an insulating tape having a mica layer including mica and a reinforcing layer including fiber reinforcing material, inorganic particles and resin, which is layered on the mica layer, wherein the inorganic particles include secondary agglomerate particles formed by agglomeration of primary particles of hexagonal crystal boron nitride. This insulating tape is provided with an insulating coating that suppresses external outflow of inorganic particles and ensures favorable thermal conductivity. | 2014-11-06 |
20140327336 | WINDING CARRIER FOR USE IN AN ELECTRICAL MACHINE AND WINDING ARRANGEMENT - The invention relates to a winding carrier ( | 2014-11-06 |
20140327337 | VIBRATION SENSOR AND EXTERNAL DETECTION DEVICE - A vibration sensor has a first substrate, a second substrate relatively movable by an external vibration while opposed to the first substrate, an electret group having a plurality of electrets that are arrayed in a relative movement direction on a side of one of surfaces of the first substrate, and an electrode group having a plurality of electrodes that are arrayed in the relative movement direction on a side of a surface of the second substrate. The surface of the second substrate is opposed to the electret group. A positional relationship between the electret group and the electrode group changes with a relative change in position of the first and second substrates by the external vibration to output an external vibration detection signal. | 2014-11-06 |
20140327338 | OCEAN WAVE ENERGY CONVERTER AND METHOD OF ENERGY STORAGE AND RETRIEVAL UTILIZING A PHASE CHANGE MATERIAL - A float operated lever device for wave energy conversion comprising at least one force amplifying lever, a pivot secured on a secured platform, a buoyant float attached to said lever and a latch means secured in position for obstructing the motion of said force amplifying lever for a fraction of half wave's period, when said float is nearly at its highest and lowest positions whereby said force amplifying lever travels downward or upward respectively, at a greater velocity and for a greater distance than in the case of free floating thus producing an amplified output force, pivoting speed and angular displacement. | 2014-11-06 |
20140327339 | PIEZOELECTRIC RESONATOR - A piezoelectric resonator including a base part, a first support part fixed to the base part, a beam part fixed to the first support part, a weight part fixed to the beam part, a drive unit provided on the beam part, and an adjusting magnet movable on a main surface of the base part. Furthermore, the weight part is formed of a magnet or a magnetic body, and the beam part extends in a direction along the main surface of the base part. With this configuration, displacement of the resonance frequency generated due to variation in a manufacturing process can be adjusted easily. Even when the resonance frequency is displaced from desired resonance frequency due to variation in the manufacturing process of a power generating element, the displacement can be easily adjusted and maximum efficiency can be obtained. | 2014-11-06 |
20140327340 | PIEZOELECTRIC MATERIAL, PIEZOELECTRIC MEMBER PIEZOELECTRIC ELEMENT, AND PRESSURE SENSOR - The present invention has an object to provide a piezoelectric material that endures high temperatures, the resources of raw materials of which are abundant, and that is stably suppliable. Disclosed is a piezoelectric element, including: a piezoelectric member having a surface for receiving external stress and a side surface that is perpendicular to the surface for receiving external stress; and at least one pair of a first electrode and a second electrode that are placed on the side surface, the first electrode being provided so as to separate from the second electrode. The piezoelectric member is preferably cut out from a piezoelectric material that includes gehlenite (Ca | 2014-11-06 |
20140327341 | Crystal Resonation Device and Production Method Therefor - A crystal resonation device that includes a base plate, a cap, a joining material, and a crystal resonator. The cap is provided on the base plate. The cap forms a sealed space with the base plate. The joining material joins the base plate and the cap. The joining material contains a cured material of thermosetting resin. The crystal resonator is provided on the base plate in the sealed space. The joining material is located in an outer side portion of a wall of the cap joined to the joining material. | 2014-11-06 |
20140327342 | RESONATOR ELEMENT AND RESONATOR HAVING A TAPERED ARM NEXT TO THE BASE - A resonator element includes: at least one resonating arm which performs flexural vibration; a base portion connected to an end of the resonating arm; and a tapered portion which is axisymmetrical with respect to a centerline which bisects the width of the resonating arm, and which has a width increasing toward a portion of the tapered portion connected to the base portion from a portion of the tapered portion connected to the resonating arm, wherein assuming that the length and width of the resonating arm are L and W and the length and width of the tapered portion are Lt and Wt, the shape of the tapered portion is controlled to satisfy a taper length occupancy η=Lt/L and a taper width occupancy ξ=2 Wt/W. | 2014-11-06 |
20140327343 | Machine for Augmentation, Storage, and Conservation of Vehicle Motive Energy - A device for addition of motive force to a vehicle, with rotor-plate, rotor-arms, rotor permanent magnets, stator-plate, stator columns, stator electromagnets, and battery, cell, or other energy storage device. The device is retro-fittable on existing wheel assemblies, and installation coverts an internal combustion vehicle to a hybrid with electric propulsion. | 2014-11-06 |
20140327344 | INDUCTION MOTOR CAPABLE OF BEING HOUSED IN A TUBULAR ACTUATOR AND METHOD OF ASSEMBLING THIS MOTOR - Induction motor capable of being housed in a tubular actuator and method of assembling this motor. This motor ( | 2014-11-06 |
20140327345 | NOISE SHIELD UNIT IN WOUND ROTOR SYNCHRONOUS MOTOR (WRSM) MOTOR - A noise shield unit in a WRSM drive motor has a rotor wound with coils with a slip ring disposed thereon. A brush is mounted to a brush holder to be in contact with the slip ring, and a position sensor is mounted to an end portion of the rotor. The noise shield unit may include a shield plate of a magnetic material mounted between the brush holder and the position sensor. | 2014-11-06 |
20140327346 | MULTI-PHASE ELECTRIC CIRCUIT - A multi-phase electric circuit including an electric machine and an inverter, wherein machine encompasses a rotor connected to the inverter via at least two brushes for each phase, wherein each of the brushes of each phase is connected to the inverter via a separate brush line. | 2014-11-06 |
20140327347 | STERNBOARD DRIVE FOR MARINE ELECTRIC PROPULSION WITH SPEED CONTROL AND WIRELESS COMMUNICATION CONNECTIVITY - The present invention deals with electric sternboard drives for marine electric propulsion with speed control and wireless communication connectivity. | 2014-11-06 |
20140327348 | ROTATING SHELF STRUCTURE FOR SHOWCASE - Disclosed is a rotating shelf structure for a showcase, which is positioned in the showcase casing and is adapted to allow easy supplementation, from the outside, of a sold product by rotating a shelf that has products placed on display thereon such that a first-in first-out arrangement is possible, and which additionally minimises the weight of the shelf itself while being durable and involves a structure allowing smooth cold-air circulation while the rotation is also smooth. The shelf structure of the present invention comprises: a base plate on which is formed a blocking wall for preventing, inter alia, the inflow of extraneous material and the like; a pillar frame which is formed split between a first pillar and a second pillar in order to minimise weight and also for reduction of raw materials and ease of assembly, and is formed so as to have cut-away parts for assembly; a lower plate and an upper plate formed so as to have insertion recesses so as to join to the upper and lower ends of the pillar frame; a securing member wherein the upper part of a support is opened so as to easily axially support and join the upper plate; and a display tray which is arranged so as to be assembled after having been formed split in such a way as to be able to carry a roller member for displaying products while having joined thereto securing pins hooking at either end into securing recesses formed in the first pillar and securing recesses formed in the second pillar of the pillar frame, and which is improved in such a way as to be able to minimise weight, allow smooth cold-air circulation and avoid contact with cabinet wall surfaces during rotation. | 2014-11-06 |
20140327349 | Drawer Handle Mechanism - A drawer apparatus having a drawer chassis and a drawer adapted to move relative to the drawer chassis from a closed position to an open position. The drawer has first and second lateral sides. A lid assembly is moveable from an upward position to a downward position relative to the drawer chassis. The lid assembly has first and second roller members. A first lever arm is rotatable about a first pivot on the first lateral side. The first lever arm has a first surface for moveably engaging with the first roller member. A second lever arm is rotatable about a second pivot on the second lateral side. The second lever arm has a second surface for moveably engaging with the second roller. A handle connects the first and second lever arms. The handle is adapted to move the first and second lever arms respectively about the first and second pivots to move the lid assembly from the downward position to the upward position. | 2014-11-06 |
20140327350 | CABINETS AND MIRRORS SELECTIVELY MOUNTED ON HINGES SUPPORTING ROOMDOORS ON DOOR FRAMES, HINGES FOR SUCH MOUNTINGS, AND METHODS FOR SO MOUNTING - A cabinet and a door are each provided with hinge sets having hinge parts secured thereto so that they can be separately mounted on the same hinge parts that are mounted on a door frame and are connected by a hinge pin for each hinge set that support the door on the door frame, using a single hinge pin for and as a part of each hinge set. The cabinet or other storage units may be mounted via various types of brackets, such as a 180 degree bracket, curved bracket, flat bract and so forth. Other storage units may include a mesh storage unit, peg board, wire storage unit, grooved board and so forth | 2014-11-06 |
20140327351 | PRESSING-TYPE UNLOCKING TRACK - A pressing-type unlocking track comprising: a track component with a main slide channel at its up lateral side on which an arresting return passage and a lateral return passage are arranged next to its front end; a driving component with a guide column held in the main slide channel; a linkage component backward pivoted to the driving component and comprising a track rib situated at its one side and held in the main slide channel; a positioning component backward pivoted to the linkage component and comprising a protruded guide column situated at its one side and held in the main slide channel; a spring connected between the track component and the linkage component as one component applying pulling force on the linkage component. As such, three main components such as driving component, linkage component and positioning component can be pivoted to a triple subassembly. | 2014-11-06 |
20140327352 | SLIDE ASSEMBLY WITH DECELERATION DEVICE - A slide assembly includes a first rail, a second rail, a stop member and a friction member. The first rail includes two sidewalls with a connection wall connected therebetween. The second rail is slidably located between the two sidewalls of the first rail. The stop member is fixed to the connection wall and has a stop plate which is perpendicular to the connection wall. The friction member is fixed to the second rail and has an extension portion. The extension portion has a guide face. When the second rail is moved relative to the first rail after the friction member touches the stop plate and overlaps the stop member by the guide face, the friction member is slidably and flexibly in contact with the stop plate. | 2014-11-06 |
20140327353 | DOOR ASSEMBLY AND REFRIGERATOR HAVING THE SAME - A door coupling and rotation assembly and a refrigerator having the same are provided. The refrigerator may include a main body having a storage compartment, at least one door to open and close the storage compartment, and a door coupling and rotation assembly that rotatably couples the at least one door to the main body. A door opening/closing determination device may determine whether or not a user wishes to open the door, and a controller may drive at least one motor in response a signal sensed by the door opening/closing determination device to open or close the at least one door. The assembly may include a hinge bracket coupled to the main body, a hinge shaft coupled to the hinge bracket and defining an axis of rotation of the door, and a motor coupled to the hinge shaft to rotate the at least one door in a forward or reverse direction. | 2014-11-06 |
20140327354 | Refrigerator and Door Locking Assembly for the Same - A door locking assembly for a refrigerator includes a pivoting shaft ( | 2014-11-06 |
20140327355 | LED PAR LAMP IN A WIRELESS NETWORK ENVIRONMENT - A flat LED PAR lamp having an antenna secured to the exterior parabolic wall of the glass reflector for use in a wireless network. The interior wall is coated with an aluminized reflective coating that shields the antenna from the internally radiated noise. The aluminized parabolic reflector, together with its companion flat clear lens, is made using a lead-free glass to improve the lumen preservation over the life of the lamp. An efficient LED lamp array is used as the primary source of illumination within the parabolic reflector. Mounted in the base of the LED PAR lamp is the wireless communication and control. | 2014-11-06 |
20140327356 | WIRELESS ELECTRIC POWER SUPPLY TYPE LIGHT-EMITTING ELEMENT AND LIGHT-EMITTING DEVICE - A wireless electric power supply type light-emitting element | 2014-11-06 |
20140327357 | COMPACT ELECTROMAGNETIC PLASMA IGNITION DEVICE - A quarter wave coaxial cavity resonator for producing corona discharge plasma from is presented. The quarter wave coaxial cavity resonator has a folded cavity made of opposing concentric cavity members that are nested together to form a continuous cavity ending in a aperture. A center conductor with a tip is positioned in the cavity. The folded cavity advantageously permits the coaxial cavity resonator to resonate at a lower operating frequency than an unfolded quarter wave coaxial cavity resonator of the same length. Embodiments of the quarter wave coaxial cavity resonator use narrower apertures to reduce radiative losses, and include center conductors that are reactive load elements, such as helical coils. When a radio frequency (RF) oscillation is produced in the quarter wave coaxial cavity resonator, corona discharge plasma is formed at the tip of the center conductor. The corona discharge plasma can be used to ignite combustible materials in combustion chambers of combustion engines. | 2014-11-06 |
20140327358 | METHOD OF CONTROLLING AN ION IMPLANTER IN PLASMA IMMERSION MODE - The present invention relates to a method of controlling an ion implanter having a plasma power supply AP and a substrate power supply, the substrate power supply comprising:
| 2014-11-06 |
20140327359 | Illumination Apparatus and Light Emitting Module - An illumination apparatus includes: a plurality of light emitting modules connected in series; a constant current source; and a fault detection circuit for detecting that the plurality of light emitting modules have at least one thereof with a short circuit fault. The light emitting module includes: an organic EL panel; a threshold value detection circuit configured to output a constant voltage when the organic EL panel between its anode and cathode has a potential difference equal to or larger than a threshold value; and a VI conversion circuit receiving the constant voltage from the threshold value detection circuit, converting the constant voltage into a constant current, and outputting the constant current. The fault detection circuit detects whether the plurality of light emitting modules have a short circuit fault based on a total value of the constant current output from each light emitting module. | 2014-11-06 |
20140327360 | LIGHT SOURCE APPARATUS AND METHOD FOR CONTROLLING SAME - The light source apparatus includes: a light source substrate having a light emission unit; an optical sheet facing the light emission unit; a plurality of detection units configured to detect light; and an adjustment unit configured to adjust light emission brightness of the light emission unit on the basis of detection values of two or more of the detection units, the two or more detection units including the detection unit arranged at a position at which a change in the detection value due to a deflection of the optical sheet is positive when the light emission unit emits the light and the detection unit arranged at a position at which the change in the detection value due to the deflection of the optical sheet is negative when the light emission unit emits the light. | 2014-11-06 |
20140327361 | HIGH COLOUR QUALITY LUMINAIRE - A colour tunable lighting module is described which includes at least three solid state lighting emitters (such as light emitting diodes) and at least two wavelength converting elements (such as phosphors). The three solid state lighting emitters are formed of the same semiconductor material system and the light generated by them has dominant wavelengths in the blue-green-orange range of the optical spectrum. The two wavelengths converters are used re-emit some of the light from two of the emitters in broader spectra having longer dominant wavelengths, while the third emitter is selected to emit light at a wavelength between the dominant wavelengths of the light from the two emitters and the two converters. A control system may be employed to monitor and control the module and the lighting module can be optimised for tunable high colour quality white light applications. | 2014-11-06 |
20140327362 | LIGHTING CONTROL SYSTEM RESPONSIVE TO AMBIENT LIGHTING CONDITIONS - A controller, method and system, for controlling lighting responsive to ambient lighting conditions are described. In particular, disclosed is illumination system and method for controlling illumination of a workspace near a display. The illumination system includes an illumination controller compares the reading with the user's preference, and sends a command to at least one luminaire to adjust the illumination of the workspace. | 2014-11-06 |
20140327363 | MENIAL POWER CONSUMPTION LIGHT EMITTING DIODE (LED) LAMP DEVICE - The various embodiments herein provide a very low or menial power consumption LED lamp with a radiance angle of 360 degrees. The LED lamp requires less time for exhibiting maximum radiance. The LED lamp has a long life of operation and is physically safe to use. The LED lamp an additional feature to automatically adjust the optical flux of the LED depending on the luminance of the surrounding environment. The LED lamp comprises a power supply module to supply a DC voltage to the entire circuit, a driver module for adjusting the current level supplied to LEDs depending on the luminance of the surrounding environment, a multi-vibrator and flip-flop module adopted to flash the LED with a period of one second and a LED Surface Mount Device (SMD) assembly. | 2014-11-06 |
20140327364 | CONFIGURATION OF OPERATING DEVICES FOR LIGHTING MEANS - The invention relates to a mobile device ( | 2014-11-06 |
20140327365 | A CONSTANT CURRENT SOURCE CIRCUIT AND A SAMPLING CIRCUIT - A constant current source circuit includes a main circuit, wherein the main circuit includes a first three-terminal regulator, a transistor, a sample resistor and a load, an output terminal of the first three-terminal regulator is connected with a control Electrode of the transistor, a reference Electrode of the transistor is connected with a voltage input terminal, a working Electrode is connected with one end of the load, and the other end of the load is connected with one end of the sample resistor, and the other end of the sample resistor and an input terminal of the first three-terminal regulator are connected to a reference potential, respectively, wherein the constant current source circuit further includes an adjusting unit that includes a voltage stabilizing unit, a fourth resistor and a fifth resistor. | 2014-11-06 |
20140327366 | ILLUMINATION DEVICE AND LED DIMMING CIRCUIT THEREOF - An illumination device includes a light-emitting diode (LED) lamp and a LED dimming circuit. The LED dimming circuit includes a power converting module, a sensing unit and a dimming module. The power converting module is used to generate a driving voltage to drive the LED lamp. The sensing unit is used to generate a sensing voltage signal. The dimming module includes an input interface, a dimming signal generator and an isolating unit. The input interface is used to receive a dimming control signal. The dimming signal generator is used to output a first feedback signal based on the sensing voltage signal and the dimming control signal. The isolating unit is used to receive the first feedback signal and output a second feedback signal to the power converting module so as to control a driving current. | 2014-11-06 |
20140327367 | CONTROL CIRCUIT OF LIGHT EMITTING ELEMENT - A control circuit of a light-emitting element comprises a rectifying unit which full-wave rectifies an alternating current power supply, a clock generator which generates and outputs a clock signal (CLK), a first comparator which compares a comparison voltage (CS) corresponding to a current flowing to the light-emitting element and a reference voltage (REF), and a switching element which is set to an ON state in synchronization with the clock signal (CLK) and which is set to an OFF state when the comparison voltage (CS) becomes greater than the reference voltage (REF) at the first comparator, to switch the current flowing to the light-emitting element. In this structure, a period of the clock signal (CLK) generated in the clock generator is varied, to reduce or inhibit noise. | 2014-11-06 |
20140327368 | 3-WAY LED BULB - A lighting circuit for a light emitting diode (LED) bulb capable of operating at different light output levels depending on received AC power includes a first group of LEDs and second group of LEDs, each of which is configured to emit light as a group. The lighting circuit also includes an AC/DC converter electrically connected to the first and second groups of LEDs. A detector circuit detects received AC power. A selection circuit is operable to cause the AC/DC converter circuit to provide current into one configuration of LEDs from the group of configurations of LEDs consisting of: the first group of LEDs only, the second group of LEDs only, and the first and second group of LEDs. The configuration of LEDs to provide current to is selected based on received AC power. | 2014-11-06 |
20140327369 | THREE-LEVEL LED BULB MICROPROCESSOR-BASED DRIVER - An LED bulb is described, comprising LEDs within a shell and a driver circuit to operate the LEDs at a plurality of brightness levels. The driver circuit comprises first and second inputs to receive AC, a neutral input, a converter circuit, first and second rectifier circuits, a detector circuit, and a processing circuit. The first rectifier circuit is connected to the first and neutral inputs and rectifies the AC received. The second rectifier circuit is connected to the second and neutral inputs and rectifies the AC received. The detector circuit is connected to the first and second rectifier circuits. The processing circuit has a first and a second processor input, and is connected to the detector circuit. The processing circuit produces a chop signal with a duty cycle based on whether the first or second input is hot. The converter circuit powers the LEDs based on the chop signal. | 2014-11-06 |
20140327370 | Gas Light System and Method - A writing gas light system has a gas tube with a first end and a second end. A first cathode is attached to a first end of the gas tube and a second cathode is attached to a second end of the gas tube. An isolated conductor runs along a length of the gas tube and is electrically attached to the second cathode. A light ballast is coupled to the first cathode and to the isolated conductor. In one embodiment, the system has a digitally controlled ballast. The gas discharge ballast has an output applied to the gas tube whose energy can be adjusted. The system has a balanced center tap transformer. The secondary of the transformer is tied to ground through a ground fault detection circuit. | 2014-11-06 |
20140327371 | ELECTICAL DEVICE AND METHOD FOR COMPENSATING AN EFFECT OF AN ELECTRICAL CURRENT OF A LOAD, IN PARTICULAR AN LED UNIT, AND DRIVER DEVICE FOR DRIVING A LOAD, IN PARTICULAR AN LED UNIT - Electrical device ( | 2014-11-06 |
20140327372 | METHOD AND APPARATUS FOR DIMMABLE LED DRIVER - Aspects of the disclosure provide a method for driving dimmable load. The method includes detecting a dimming characteristic in an energy source from which a load draws a first energy according to the dimming characteristic. The dimming characteristic requires a second energy in addition to the first energy to be drawn from the energy source to sustain an operation of the energy source. The method further includes biasing a switch to consume the second energy. The second energy and the first energy are drawn from the energy source to sustain the operation of the energy source. | 2014-11-06 |
20140327373 | LED DRIVE DEVICE, AND LIGHTING SYSTEM INCORPORATING THE SAME - An LED drive device includes: a drive module generating, based on a control signal, a drive current that flows through an LED-based load, and generating, based on the drive current, a sampling current associated with the drive current; a voltage detection module detecting a voltage across the LED-based load, and generating an adjustment signal based on the detection result and on a predetermined reference voltage; and a control signal generation module generating the control signal based on the adjustment signal, the sampling current and the predetermined reference voltage. | 2014-11-06 |
20140327374 | Light bulb and florescent tube replacement using FIPEL panels - A lighting device formed of a FIPEL panel driven by electrical connection. For example, a frequency generator can create a frequency that creates a light output having any frequency in the spectrum. The light emitting panel can be flexible, and can be coded along a curved surface, such as the inner surface of a light bulb. | 2014-11-06 |
20140327375 | MODULAR LED LIGHTING SYSTEM - According to various embodiments of the invention, an LED lighting system is providing having a replaceable driver module. In some embodiments, the replaceable driver module comprises a component that is physically attachable to an LED illumination module, whereby the attached components have a combined physical profile dimensioned for installation in a pre-existing light fixture. In further embodiments, the combined system's dimensions allow it to be installed in pre-existing fluorescent fixtures without requiring rewiring of the fixtures. In some embodiments, the LED driver module may be configured to condition power received from a fluorescent light ballast to drive the LEDs such that a pre-existing fluorescent ballast does not need to be removed. In other embodiments, the LED driver may be configured to condition main power such that a pre-existing fluorescent ballast may be removed. | 2014-11-06 |
20140327376 | METHOD AND APPARATUS FOR MEASURING INJECTION ENERGY OF ORGANIC LIGHT EMITTING DIODE DISPLAY - A method is used for measuring injection energy associated with an organic light emitting diode display device. The method includes disposing the display panel inside a chamber and controlling temperature inside the chamber. The method further includes determining a plurality of electric current values corresponding to a plurality of temperature values for each voltage value of plurality of voltage values, the plurality of voltage values being associated with voltages provided to the organic light emitting member. The method further includes calculating a plurality of injection energy values using the plurality of electric current values and the plurality of temperature values. | 2014-11-06 |
20140327377 | SYSTEM AND A METHOD FOR EMITTING AN ULTRASONIC SIGNAL - A system for emitting an ultrasonic signal is provided. The system includes a first ultrasonic transducer and a second ultrasonic transducer. A plate of the first ultrasonic element faces a plate of the second ultrasonic element such that the plate of the first ultrasonic element is spaced apart from the plate of the second ultrasonic element by a gap. During operation of the first and second ultrasonic transducers, a uniform or omnidirectional ultrasonic signal may be emitted from the gap. | 2014-11-06 |
20140327378 | DRIVER DEVICE AND DRIVING METHOD FOR DRIVING A CAPACITIVE LOAD, IN PARTICULAR AN ULTRASOUND TRANSDUCER - The present invention relates to a driver device ( | 2014-11-06 |
20140327379 | POSITION SENSORLESS DRIVE SYSTEM AND METHOD FOR PERMANENT MAGNET MOTORS - A position sensorless drive systems for a permanent magnet motors are disclosed. An embodiment includes a square wave voltage source connectable to an input of a permanent magnet motor. At least one current sensor is connectable to the motor, wherein the current sensor is configured to sense the current in at least one power line to the motor in response to the square wave input to the motor. The position of the rotor relative to the stator may be determined based on the current resulting from the square wave voltage. | 2014-11-06 |
20140327380 | CIRCUITS AND METHODS OF DETERMINING POSITION AND VELOCITY OF A ROTOR - A motor controller includes a square wave voltage generator and adding circuitry for adding the square wave voltage to a first drive voltage that is connectable to the stator windings of a motor. A current monitor for monitoring the input current to the motor as a result of the square wave voltage. A device for determining the position of the rotor based on the input current. | 2014-11-06 |
20140327381 | MOTOR WITH ROTOR-MOUNTED CONTROL CIRCUITRY - A rotating electromechanical machine has a rotor having at least one current-carrying winding and at least one rotor-mounted sensor configured to sense a machine property or parameter during machine operation. Rotor-mounted circuitry dynamically modifies at least one property of the current-carrying winding during machine operation in response to the sensed machine property or parameter. | 2014-11-06 |
20140327382 | Electric Ratchet For A Powered Screwdriver - A powered screwdriver system includes an electric ratchet. In accordance with one aspect, the powered screwdriver system includes a driver housing and includes a motor disposed within the housing. A working end provides a rotational output and is mechanically coupled to the rotor. A power source provides power to the motor. A controller receives signals representative of a motor condition and, based on the received signals, controls the motor in a manner providing the electric ratchet. | 2014-11-06 |
20140327383 | PARCEL AND MASS FLOW SCALE - Weighing system (FIG. | 2014-11-06 |
20140327384 | ELECTRONIC DEVICE AND CONTROL METHOD - An electronic device includes a first control circuit which controls a first drive circuit to drive a cooling device, a second control circuit which controls the first drive circuit, a switch circuit which connects one of the first and second control circuits to the first drive circuit, and a switch control unit which controls the switch circuit when there occurs a fault on the first control circuit, and switches a connection target of the first drive circuit from the first control circuit to the second control circuit. | 2014-11-06 |
20140327385 | MOTOR DRIVE APPARATUS FOR DRIVING STEPPING MOTOR AND CONTROL METHOD THEREFOR - A CPU obtains a difference between a data number at timing when an ENC0 signal or an ENC1 signal changes in a case where there is no follow-up delay of a rotor relative to a voltage signal applied to an A-phase coil and a B-phase coil and a data number at timing when the ENC0 signal or the ENC1 signal changes in a case where there is a follow-up delay of the rotor relative to the voltage signal applied to the A-phase coil and the B-phase coil. Then, the CPU controls the voltage signal applied to the A-phase coil and the B-phase coil based on the obtained difference. | 2014-11-06 |
20140327386 | RADIO-CONTROLLABLE AC-POWERED MOTORS WITH SEVERAL FUNCTIONS - This invention relates to radio-controllable AC electric motors, which receives their power from the AC (alternating current) power line. A less costly motor, which is readily controllable is achieved by substituting control-units previously manufactured and existing inside a motor, replacing them with an external RC control which contain similar control-unit's. The external RC controls is less costly than previous control's, making the overall cost of the motor package less costly, with the added bonus of being able to remotely control the motor with, many control function. | 2014-11-06 |
20140327387 | Caddy Charger - A Charging Caddy (Caddy) comprises of a charging base and various interchangeable multi-use apparatus (IMA) which individually attach to a Caddy base. The Caddy's various IMAs complement the setting and decor of the Caddy's location. The base is powered by a wall outlet and a rechargeable battery providing the option of simultaneously charging multiple tablets and communication devices (TCD). The rechargeable battery further extends the versatility of the Caddy when a power outlet is not readily available. TCDs such as iPod, iPad, various tablets, laptops, cell phones, or other peripheral devices can be charged using one or more: dedicated or non-dedicated USB ports, cigarette lighter ports, 120 v plugs, or TCD cradles. The non-dedicated USB ports allow for the devices to communicate using networking protocols. The interchangeable multi-use apparatus and charging base create a unique embodiment allowing the components to be used separately, simultaneously, or in tandem with charging TCDs. | 2014-11-06 |
20140327388 | BATTERY CONDITIONING APPARATUS - The present invention relates to a battery conditioning apparatus for conditioning a battery. The apparatus includes a pulse generator circuit for generating pulses to be applied to the battery. A loading circuit is provided for loading the battery. The apparatus also includes a controller for controlling the pulse generator circuit and loading circuit to concurrently apply the pulses to and load the battery. | 2014-11-06 |
20140327389 | Contact Assembly of a Robotic Garden Tool Charging Device - A contact assembly of a robotic garden tool charging device | 2014-11-06 |
20140327390 | APPARATUS AND METHOD FOR WIRELESS CHARGING - A wireless charging apparatus is provided. The wireless charging apparatus includes: an antenna that receives electrical waves; at least two charging power generators that generate charging power for charging a battery using the electrical waves received through the antenna; and a controller that senses a frequency of the electrical waves received through the antenna and that activates one of the at least two charging power generators according to a sensed result. | 2014-11-06 |
20140327391 | VEHICLE CHARGING PAD HAVING REDUCED THICKNESS - This disclosure provides systems, methods and apparatus for charging pads for use with wireless power systems. In one aspect a vehicle charging pad having a reduced thickness is provided. A charging pad may include multiple wire coils and a ferrite block backing. By forming a longitudinally extending slot in the ferrite block, a portion of the wires extending from the coils can be routed through the slot in the ferrite block to decrease the overall thickness of the charging pad. | 2014-11-06 |
20140327392 | HOLDING ASSEMBLY FOR PORTABLE ELECTRONIC DEVICE - Holding assembly for a portable electronic device includes a base, a holder, and a charging unit. The holder is pivotably coupled to the base and supports the portable electronic device. The charging unit includes a radio frequency (RF) transmission module and a RF receiving module. The RF transmission module is coupled to the holder, the RF receiving module is integrated with the portable electronic device. The RF receiving module communicates with the RF transmission module via electromagnetic induction to charge the portable electronic device. | 2014-11-06 |
20140327393 | METHOD AND APPARATUS FOR CONTROLLING ABNORMAL CONDITION IN WIRELESS POWER RECEIVER - A method for controlling an abnormal state of a wireless Power Receiving Unit (PRU) is provided. The method includes measuring a temperature by a period shorter than a previous measurement period when a temperature measured by the wireless PRU in response to a transmission of power from a wireless Power Transmitting Unit (PTU) is higher than a temperature required to be monitored; determining whether the measured temperature is higher than a temperature at which a load switch connected to a charging unit is turned off if the measured temperature is equal to or higher than the temperature required to be monitored; and turning off the load switch if the measured temperature is higher than the temperature at which the load switch is turned off. | 2014-11-06 |
20140327394 | APPARATUS FOR INDUCTIVELY TRANSMITTING ELECTRICAL ENERGY - An apparatus for inductively transmitting electrical energy from a stationary unit to a mobile unit which is located adjacent to the stationary unit. The apparatus has a coil and a flux guide unit for guiding a magnetic flux occurring during operation of the apparatus with at least one ferromagnetic body, which consists of a multiplicity of individual elements. The flux guide unit has the basic shape of a plate and is arranged on one side of the coil perpendicular to the winding axis thereof in such a way that it covers the cross-sectional area of the coil at least partially. The ferromagnetic body includes individual elements with anisotropic magnetic permeability and has, overall, anisotropic magnetic permeability. In a viewing plane perpendicular to the winding axis of the coil, the individual elements of the ferromagnetic body are aligned with respect to the coil in those regions in which a ferromagnetic body with anisotropic permeability covers winding sections of the coil, in such a way that the preferred direction of magnetic permeability, in which the magnetic permeability has its greatest magnitude in the viewing plane, is at least approximately perpendicular to the winding sections of the coil. | 2014-11-06 |
20140327395 | VEHICULAR POWER RECEPTION DEVICE AND VEHICLE EQUIPPED WITH THE SAME, POWER SUPPLY APPARATUS, AND ELECTRIC POWER TRANSMISSION SYSTEM - A contact charging circuit composed of a charging inlet and a charger receives electric power from an outside power source via a charging cable. A non-contact charging circuit composed of a power reception unit, a rectifier, and a sensor unit receives electric power from an outside power source in a non-contact manner. A first communication device communicates contact charging information about power reception by the contact charging circuit with a third communication device of a power supply apparatus. A second communication device communicates non-contact charging information about power reception by the non-contact charging circuit with a fourth communication device of the power supply apparatus. | 2014-11-06 |
20140327396 | System having a hand tool case and a hand tool battery - A system having a hand tool battery, a hand tool case which has at least one inductive charge receiving area which is provided for storing a hand tool battery which is inserted into the inductive charge receiving area at least partially in close proximity to at least one wall of the hand tool case, and having at least one latent heat storage unit which is provided for influencing at least a temperature of the at least one hand tool battery. | 2014-11-06 |
20140327397 | METHOD FOR THE CONTACTLESS CHARGING OF THE BATTERY OF AN ELECTRIC AUTOMOBILE - A method for contactless charging of the battery of an electric automobile by magnetic induction using a transmitter coil of a charging device and a receiver coil of the vehicle, the method including: controlling a power supply of a converter, at terminals of which the transmitter coil is connected, according to a variable frequency; measuring, in an analog circuit, a value of a current and of a voltage at the terminals of the transmission coil; calculating a phase shift between the current and the voltage; converting the phase shift into a digital value; and locking the variable frequency of the converter to the phase-shift value by digital processing. | 2014-11-06 |
20140327398 | PORTABLE TERMINAL APPARATUS AND METHOD FOR ADJUSTING RFID ANTENNA RESONANCE FREQUENCY - Provided is a portable terminal apparatus equipped with an RFID function, which includes a storage unit storing in advance correspondence between an apparatus configuration in which the portable terminal apparatus has a predetermined preset extension function allowed to be added thereto, and a correction value of a resonance frequency of an RFID antenna, a detection unit detecting which extension function is installed on the portable terminal apparatus, and a control unit obtaining a correction value of the resonance frequency of the RFID antenna, corresponding to an apparatus configuration including the extension function, from the storage unit and correcting the resonance frequency of the RFID antenna, based on the correction value. | 2014-11-06 |
20140327399 | BOOST CAPACITOR SHARING ARCHITECTURE FOR POWER SUPPLY ACTIVE BALANCING SYSTEMS - An apparatus includes multiple first channels configured to be coupled to a first boost capacitor and multiple second channels configured to be coupled to a second boost capacitor. Each channel includes a transistor switch and a gate driver configured to drive the transistor switch. The gate drivers in the first channels include switch sub-arrays configured to control which transistor switch in the first channels is driven using a voltage from the first boost capacitor. The gate drivers in the second channels include switch sub-arrays configured to control which transistor switch in the second channels is driven using a voltage from the second boost capacitor. The transistor switch in each channel may include first and second transistors having their sources coupled together, and each of the channels may further include a pull-down switch configured to pull the sources of the first and second transistors to ground. | 2014-11-06 |
20140327400 | BATTERY SYSTEM MONITORING APPARATUS AND ELECTRIC STORAGE DEVICE INCLUDING THE SAME - A battery system monitoring apparatus for monitoring a cell group having a plurality of battery cells, and includes a cell controller IC which monitors and controls the states of the plurality of battery cells. A battery controller controls the cell controller IC and a plurality of voltage detection lines measure the voltage across the terminals of the battery cell. The voltage detection lines connect positive and negative electrodes of the battery cell, respectively, to a plurality of voltage input terminals of the cell controller IC. A power line connects the positive electrode of the battery cell having the highest potential among the plurality of battery cells to a power supply terminal of the cell controller IC and a ground line which connects the negative electrode of the battery cell having the lowest potential among the plurality of battery cells to a ground terminal of the cell controller IC. | 2014-11-06 |
20140327401 | UTILITY BAGS WITH BATTERY PACK-TO-UNIVERSAL SERIAL BUS POWER DEVICES - One embodiment includes a battery pack receptacle that removably connects to a battery pack used for a cordless device. A universal serial bus (USB) receptacle is connected to the battery pack receptacle. The battery pack is used as a power source for the USB receptacle. | 2014-11-06 |
20140327402 | CIRCULATING CHARGING/DISCHARGING DEVICE FOR AN ELECTRIC VEHICLE - A circulating charging/discharging device for an electric vehicle has a battery assembly, a switch, a controller, a power generator motor, a power generator and a wheel motor. The battery assembly has a charging module and a discharging module connected in parallel. The battery assembly has output terminals connected to the switch. The controller turns on/off the switch and controls operations of the electric vehicle. The power generator motor and the wheel motor connect to the battery assembly through the switch for receiving power from the battery assembly. The wheel motor drives the wheel of the vehicle to let the vehicle move. When the vehicle is started, the battery assembly transmits power to the power generator motor through the switch so that the power generator motor drives the power generator for generating power used for charging the battery assembly. Therefore, the battery assembly is charged when the vehicle is moving. | 2014-11-06 |
20140327403 | Battery Control System and Battery Control Method - When detecting a fault of a master control device, a slave control device refers to master-device-line information, and obtains line information to establish a connection with the other master control device. The slave control device transmits connection request information to the master control device extracted from the other master control devices. The other master control device determines whether or not it is connectable with the slave control device that has transmitted the connection request information, and transmits a determination result as connectability information. The slave control device switches a communication line to the other master control device when the received connectability information indicates the connectable status. | 2014-11-06 |
20140327404 | METHOD FOR PROVIDING CONTROL POWER BY AN ENERGY STORE BY USING TOLERANCES IN THE DETERMINATION OF THE FREQUENCY DEVIATION - A method for providing control power for an electricity network in which at least one energy store connected to the electricity network supplies energy to the electricity network as required and/or takes up energy from the electricity network as required, the control power being delivered in dependence on a frequency deviation from a setpoint value of a network frequency, a tolerance with respect to the frequency deviation being used to set a charging state of the energy store at a same time as providing the control power by the energy store. A device for carrying out such a method includes a control system and an energy store, the device being connected or connectable to an electricity network, the control system being connected to the energy store and controlling the control power that is given off and/or taken up by the energy store. | 2014-11-06 |
20140327405 | System and Method for Enhancing the Cost-efficiency of Rechargeable Battery Systems - A modular battery system includes at least one lithium polymer battery for both mobile and stationary applications. The mobile applications include an electric car and the stationary applications include a house. The battery is exchangeable between the house and the electric car. Both the house and the electric car have a charging apparatus. The battery can be charged when docked with the house by renewable sources and the transported to a second location for docking with another stationary load. | 2014-11-06 |
20140327406 | METHOD AND APPARATUS FOR CHARGING RECHARGEABLE CELLS - A method for charging rechargeable cells, in particular lithium ion cells. An apparatus for charging such cells. In order to specify a method for charging a lithium-based cell and an apparatus for charging a lithium-based cell, in which the capacitance of the cell is optimally used, the charging time is drastically shortened, the shelf life of the cell is extended and/or it is possible to increase the capacitance of the cell, a method is stated which includes the following steps, pulsed charging of the cell, wherein the charging current I | 2014-11-06 |
20140327407 | METHOD AND SYSTEM FOR MANAGING THE ELECTRIC CHARGES OF BATTERY CELLS - A method and system for management of electric charges of cells of an electricity storage battery, which are electrically connected in series and/or in parallel, the method including: balancing states of charge of the cells, performed only during a battery charging phase; and balancing quantities of charge contained in the cells, performed only during a battery discharging or rest phase. | 2014-11-06 |
20140327408 | VEHICLE WITH AN ELECTRIC STORAGE SECTION, AND CHARGE-DISCHARGE SYSTEM INCLUDING THE VEHICLE AND AN ENERGY MANAGEMENT EQUIPMENT | 2014-11-06 |
20140327409 | WIRELESS POWER TRANSMITTER, WIRELESS POWER RECEIVER AND CONTROL METHOD THEREOF - A control method for performing wireless charging in a wireless power receiver is disclosed. The control method includes receiving charging power from a wireless power transmitter; detecting transition of the wireless power receiver from a Stand Alone (SA) mode to a Non Stand Alone (NSA) mode; upon detecting the mode transition, generating a message including address information used to re-connect with the wireless power transmitter; and transmitting the message to the wireless power transmitter. | 2014-11-06 |
20140327410 | BATTERY CHARGER INTEGRATED CIRCUIT CHIP - An on-chip digital communication interface circuit is to be directly coupled to a counterpart interface circuit of a separate battery-side gas gauge circuit. An on-chip battery charging control circuit controls battery charging voltage and current that is supplied from a separate power source interface circuit to a battery cell terminal, according to charging voltage and current limits. The charging limits are read from the gas gauge circuit and in effect carry out a selected one of several different battery charging profiles. Other embodiments are also described and claimed. | 2014-11-06 |
20140327411 | POWER FACTOR CORRECTION ALGORITHM FOR ARBITRARY INPUT WAVEFORM - The present disclosure provides techniques for a power factor correction system having an arbitrary input waveform. The present disclosure provides two example methods of digital power factor correction that allow for a high power factor on an arbitrary input waveform. The two example methods are applicable to both constant-current inputs and constant-voltage inputs. One example method samples the arbitrary input waveform to produce a reference table used to synchronize the input voltage with the input current in a constant current system, and to synchronize the input current to the input voltage in a constant voltage system. A second example method uses instantaneous input values as a reference in performing power factor correction. | 2014-11-06 |
20140327412 | INDUCTIVE LOAD POWER SWITCHING CIRCUITS - Power switching circuits including an inductive load and a switching device are described. The switches devices can be either low-side or high-side switches. Some of the switches are transistors that are able to block voltages or prevent substantial current from flowing through the transistor when voltage is applied across the transistor. | 2014-11-06 |
20140327413 | Feedforward Control Method and Apparatus - A feedforward control method, which includes: determining, whether the input voltage rapidly changes or slowly changes; when the input voltage rapidly changes, determining, a first feedforward gain coefficient corresponding to the difference between a input voltage reference value and a first input voltage measurement value acquired by a high-speed low-precision analog-to-digital converter in a current sampling period; when the input voltage slowly changes, determining a second feedforward gain coefficient which is a ratio of the input voltage reference value to a second input voltage measurement value acquired by a low-speed high-precision analog-to-digital converter in the current sampling period; and using the first or the second feedforward gain coefficient as a feedforward gain coefficient of a current input voltage, multiplying the feedforward gain coefficient by an output value of a feedback loop of an output voltage, so as to control stable output of the output voltage. | 2014-11-06 |
20140327414 | METHOD FOR OPERATING A POWER CONVERTER MODULE AND A DEVICE THEREFOR - The present disclosure relates to methods, a system and a module for operating a power converter module. The power converter module comprises a voltage converter, an output circuitry and a processing circuitry operable for controlling the voltage converter. One method comprises transmitting a first status signal representing operating parameters of the voltage converter to the processing circuitry. Determining whether the first status signal of the voltage converter is acceptable. The method also comprises transmitting a second status signal representing the operating parameters of the output circuitry to the processing circuitry. The method also comprises determining if the second status signal is above a predetermined threshold value. When the second status signal is above said predetermined threshold value and the status of the voltage converter is acceptable, entering a peak output mode operating the voltage converter at maximum power dissipation. | 2014-11-06 |
20140327415 | PHASE BALANCING OF HIGH-FREQUENCY POWER GENERATION UNITS - Methods, systems, and devices for phase balancing of a plurality of high frequency (HF) power generation units of an HF power supply system. In one aspect, a method includes measuring a first signal related to a first power reflected at a load and arriving at a first HF power generation unit, obtaining at least one first value related to the measured first signal in a system control, adjusting at least one of a frequency or a phase of an output signal of the first HF power generation unit based on the at least one first value and a reference value, measuring a second signal related to a second power reflected at the load and arriving at the first HF power generation unit, obtaining at least one second value related to the measured second signal in the system control, and determining whether a specified event for the first HF power generation unit occurs. The method also includes performing phase balancing of one or more further HF power generation units. | 2014-11-06 |
20140327416 | HIGH BANDWIDTH PSRR POWER SUPPLY REGULATOR - A voltage regulator includes a power device formed by an NMOS transistor having a drain terminal coupled to an input voltage, a source terminal providing an output voltage and a gate terminal receiving a gate drive signal; and an integrated AC/DC control loop configured to access the output voltage and to generate the gate drive signal based on a value of the output voltage in relation to a first reference voltage and a second reference voltage. The AC control portion generates a gate drive control signal which is AC coupled to the gate terminal of the power device as an AC component of the gate drive signal. The DC control portion controls a DC voltage level of the gate drive signal. The AC control portion is powered by the input voltage while the DC control portion is powered by a high supply voltage greater than the input voltage. | 2014-11-06 |
20140327417 | Voltage Adjustment Method, and Voltage Pre-Regulator Power Supply Circuit and System - A voltage adjustment method, and a voltage pre-regulator power supply circuit and system, that implements highly-efficient output of a power supply in a quasi straight-through state and increases voltage output precision of a circuit. The voltage adjustment method includes receiving a to-be-adjusted voltage through a positive wire input end and a negative wire input end; changing, in a control mode in which a connection time is fixed and a disconnection time is adjusted, a duty cycle for the to-be-adjusted voltage to obtain a primary adjusted voltage; and changing, in a control mode in which a disconnection time is fixed and a connection time is adjusted, a duty cycle for the primary adjusted voltage to obtain an output voltage. The present disclosure is applied to a non-isolated direct-current quasi straight-through pre-regulator power supply. | 2014-11-06 |
20140327418 | Extended Current Capability for Power Sourcing Equipment - A current mirror (e.g., an N or P channel MOSFET current mirror) is present in a load current delivery path. The current delivery path typically includes a network connection, e.g., for power over Ethernet applications. The current mirror provides a reference output, and the load current flows through a primary transistor in the current mirror from a load current input to a load current output of the primary transistor. A mirror transistor generates a sense current on the reference output that is a fractional amount of the load current. A power controller monitors the reference output and controls the current mirror to allow or prevent the load current flowing through the network connection. For example, the power controller may disable the primary transistor and the delivery of load current, when the load is demanding too much load current. | 2014-11-06 |
20140327419 | CURRENT LIMITING CIRCUIT - A current limiting circuit includes a current sensing module that is configured to sense an output current of a power transistor and to generate a corresponding sensing current which is proportional to the output current. A first current limiting module coupled to the current sensing module is configured to generate a first limiting current based on the sensing current when a variation of the output current of the power transistor exceeds a first current level. A second current limiting module coupled to the current sensing module is configured to generate a second limiting current based on the sensing current when a variation of the output current of the power transistor exceeds a second current level. A converting module coupled to the first and second current limiting modules and the power transistor controls a gate voltage of the power transistor based at least on the first and second limiting currents. | 2014-11-06 |
20140327420 | POWER SUPPLY AND DC-DC CONVERTER THEREIN - A power supply includes a rectifier circuit to rectify power, a smoothing circuit unit to smoothen a voltage of the rectified power, and a voltage drop circuit unit to drop the smoothened voltage. The voltage drop circuit unit includes an electric charge storage circuit to output the voltage-dropped voltage, a resonance circuit to receive first current from the smoothing circuit unit and to supply second current to the electric charge storage circuit, and a current interruption circuit to control the first current and the second current using zero current switching for performing switching when current does not flow using a resonance circuit. | 2014-11-06 |
20140327421 | SWITCHING REGULATOR AND METHOD FOR CONTROLLING THE SWITCHING REGULATOR - By controlling the duty of a switching pulse signal and a switching frequency of the signal in response to changes in load current, the ripple of the output voltage can be reduced and switching losses can be reduced and thus a switching regulator that is efficient can be provided. | 2014-11-06 |
20140327422 | DC-DC CONVERTER WITH ADAPTIVE MINIMUM ON-TIME - A DC-DC converter has a high-side transistor series with a low-side transistor and an inductor connected to a node therebetween, a gate driver circuit has a high-side gate driver circuit coupled to the high-side transistor; a low-side gate driver circuit coupled to the low-side transistor; a minimum pulse with circuit coupled to one of the high-side and low-side gate, the minimum pulse width circuit adaptively controlling a pulse width of a drive signal to the high-side or low-side transistor by the propagation delay of the respective gate driver circuit. | 2014-11-06 |
20140327423 | DC-DC CONVERTER CONTROLLER - In a DC-DC converter controller of the present invention, a ramp voltage for compensating a reference voltage is designed to have the same valley value or peak value irrespective of an input voltage and an output voltage of a controlled converting circuit when the controlled converting circuit operates in the steady state. Hence, the DC-DC converter controller of the present invention is capable of controlling the controlled converting circuit to accurately output the output voltage in different applications. | 2014-11-06 |
20140327424 | POWER CONVERSION DEVICE - A power converter | 2014-11-06 |
20140327425 | PORTABLE ELECTRONIC APPARATUS AND POWER MANAGEMENT METHOD THEREOF - A portable electronic apparatus and a power management method are provided. The portable electronic apparatus includes a power manager and a controller. The power manager is used to receive a supply power generated by a power adapter. The power manager determines whether to generate a detecting signal by detecting whether a voltage value variation of the supply power is greater than a preset range. The power manager generates a current detecting value according to an input current provided by the supply power. The controller receives the detecting signal and the current detecting value, and generates an input current limit value according to a receiving status of the detecting signal and the current detecting value. The power manager controls the input current according to the input current limit value. | 2014-11-06 |
20140327426 | PULSE FORMING NETWORK (PFN) HAVING MULTIPLE CAPACITOR UNITS FOR FORMING A PULSE HAVING A MULTI-LEVEL VOLTAGE AND A METHOD OF FORMING SUCH A PULSE - A method of generating a patterned pulse. The method comprises charging a plurality of capacitor units with a plurality of charges, and sequentially coupling the plurality of charged capacitor units to at least one electrical regulator so as to allow delivering a regulated energizing pulse having a desired multi-level voltage waveform to a load. The electrical regulator is connected to a load. | 2014-11-06 |
20140327427 | COATING DEFECT DETECTION APPARATUS AND METHOD FOR CUT-TO-LENGTH CATHETER SHAFTS - Detection of a coating defect on a catheter shaft, by imposing AC voltage between an electrode and a grounding tube, passing the catheter shaft through the grounding tube and through the hole of the electrode, monitoring the voltage between the electrode and the grounding tube, and detecting the coating defect, in case the amplitude of the monitored voltage drops below a threshold value. The electrode defines a hole, which opens from an infeed side of the electrode to an outfeed side of the electrode. A voltage supply provides the AC between the electrode and system ground. A fault detection circuit monitors the electrode. The grounding tube has an outer surface connected to system ground, and is coaxial with the electrode hole, an inward tube end proximate the hole and an outward tube end distal the hole. | 2014-11-06 |