48th week of 2014 patent applcation highlights part 20 |
Patent application number | Title | Published |
20140346929 | PIEZOELECTRIC VIBRATION MODULE AND VIBRATION GENERATING APPARATUS INCLUDING THE SAME - There are provided a piezoelectric vibration module and a vibration generating apparatus including the same. The piezoelectric vibration module includes: a piezoelectric actuator including a piezoelectric element deformed in both a first direction and a second direction perpendicular to the first direction through the application of electrical power thereto; at least one first rod transferring deformation force of the piezoelectric actuator in the first direction; at least one second rod converting deformation force of the piezoelectric actuator in the second direction into deformation force in the first direction and transferring the converted deformation force; and a mass body connected to the first and second rods and disposed on the piezoelectric actuator so that displacement is generated in the first direction. | 2014-11-27 |
20140346930 | ELECTRONIC COMPONENT PACKAGE, ELECTRONIC COMPONENT PACKAGE SEALING MEMBER AND METHOD FOR PRODUCING THE ELECTRONIC COMPONENT PACKAGE SEALING MEMBER - The present invention relates to an electronic component package, an electronic component package sealing member, and a method for producing the electronic component package sealing member. A through hole | 2014-11-27 |
20140346931 | ELECTRICAL BRUSH HOLDER APPARATUS AND RELATED MONITORING SYSTEM - An apparatus including: a brush holder; a radio frequency identification (RFID) device affixed to the brush holder, the RFID device including: a temperature sensor system for determining temperature(s) at one or more distinct locations on the brush holder; and a transmitter for providing indication of the temperature(s). | 2014-11-27 |
20140346932 | UNDERGROUND ENCLOSURE SYSTEM FOR STORING COMPONENTS, CABLES, AND THE LIKE - A pressurized underground enclosure includes a battery venting system having a battery within a battery box in a sealed enclosure. A first pipe is fluidly connected to the battery box and an ambient atmosphere and includes a vacuum generator for reducing a pressure in the battery box. A second pipe is fluidly connected to the battery box and the ambient atmosphere and includes a one-way valve permitting airflow to the battery box and precluding airflow from the battery box to the ambient atmosphere. The enclosure includes a scissors lift including scissor linkage units having arms pivotally connected at terminal ends and at central positions. The scissor linkage units are moveable from a retracted to an extended position by pneumatic cylinders. The internal pressurization of the enclosure is selectively released and locking mechanisms are retracted before a rack of the scissors life is extended through an opening of the enclosure. | 2014-11-27 |
20140346933 | SUPPORT SYSTEM - A support system for one or more display items is configured with side walls extending in a longitudinal direction from a base towards a top such that an interior is defined between the base, top and side walls. A plurality of receptacles are configured in the base and a plurality of holes are configured in a floor parallel to and spaced apart from the base. Within the interior, a plurality of transparent platforms of a plurality of different sizes are configured at a plurality of different distances from the base. One or more transparent pillars are configured to extend between the receptacles, through the holes and into a supporting relationship with each of the one or more platforms. | 2014-11-27 |
20140346934 | Adjustable Storage System - An adjustable storage system provides a space efficient system of storage cabinets. The system includes a rectangular base platform with a pair of primary rails running along the length of the base platform. A plurality of primary storage cabinets is slidably engaged with the primary rails. Each of the primary storage cabinets has a pair of doors on one side and a handle on an adjacent side. A secondary rail running above the primary cabinets and parallel to the primary rails supports a plurality of secondary storage cabinets that are each slidably engaged with the secondary rail via a rolling mechanism. A rotating joint in the rolling mechanism allows the secondary cabinets to be rotated about the vertical axis for greater accessibility. The system can also include a counter top attached to a terminal end of the primary rails via a plurality of support beams. | 2014-11-27 |
20140346935 | ELECTRONIC DEVICE ENCLOSURE - An electronic device enclosure includes a rear cover. The rear cover includes at least one first segment and at least one second segmentation. The at least one first segment includes a first securing portion, and the at least one second segment includes a second securing portion. The first securing portion is secured to the second securing portion, so that the at least one first segment and at least one second segment together define the rear cover. | 2014-11-27 |
20140346936 | PROTECTION COVER - Disclosed is a protection cover for protecting an electronic device, including: a base; and a conductor formed at least a portion of the base. In some embodiments, the conductor may be located to be spaced apart from a display unit of the electronic device. In some embodiments, the base may be formed of a transparent or semitransparent flexible film or plastic. In some embodiments, the conductor is applied, coupled, or attached to the base. In some embodiments, the base has at least one convex part, and the conductor may be formed at a portion of the convex part facing the electronic device. | 2014-11-27 |
20140346937 | HEIGHT ADJUSTER MECHANISM FOR A DISHWASHER DISH RACK - A dish rack is supported for both selective movement into and out of a washing chamber of a dishwasher tub and vertically relative to the tub, with the vertical adjustment being made by manually grasping and shifting at least one frontal cross bar extending along a front wall of the dish rack to cause pivoting of first and second lever members extending along sides of the dish rack. The side lever members cooperate with latching mechanisms to lift and retain the dish rack in a select raised position. | 2014-11-27 |
20140346938 | Dishwasher Comprising an Automatic Door Opening Mechanism - The present invention relates to a dishwasher ( | 2014-11-27 |
20140346939 | Jewelry and Accessory Storage Cabinet and Method of Organization - A jewelry and accessory storage cabinet is provided that comprises a cabinet frame having both vertical and horizontal drawers to efficiently store and organize items therein. The drawers are deployable from the frame, wherein the vertical drawers are adapted to supporting elongated, hanging accessory items, while the horizontal drawers are adapted to support smaller accessory items within confined storage bins. The vertical drawers include at least one cross member having a plurality of notches therealong, wherein the notches support removable hooks upon which the accessories are placed. Each of the hooks includes a colored knob that corresponds to the color of the items supported thereon. Each of the horizontal drawers includes a drawer knob with a single color marker. In this way, the user can organize the color and style of accessories by drawer and use the knobs to find matching sets of accessory items. | 2014-11-27 |
20140346940 | PIECE OF FURNITURE, GUIDE UNIT AND ARRANGEMENT AND METHOD FOR FITTING A GUIDE UNIT ON A FURNITURE PART - A piece of furniture, a guide unit and an arrangement and a method for fitting a guide unit on a furniture part including a receiving device for coupling to hook means on the guide unit prior to the guide unit being fitted on a first furniture part for the first time, the receiving device configured such that, when the guide unit, together with the receiving device coupled thereto, is being fitted, an automatic connection is able to be established between the receiving device and the first furniture part, when contact between the two is made for the first time, via attachment means that act between the first furniture part and the receiving device and are provided thereon. | 2014-11-27 |
20140346941 | SPRING-LOADED DRIVE DEVICE FOR A MOVABLE FURNITURE ELEMENT - Spring-loaded drive device for a movable furniture element, especially a drawer, comprising a mechanical deactivation device with which the drive device can be reversibly deactivated. | 2014-11-27 |
20140346942 | REFRIGERATOR AND METHOD OF MANUFACTURING THE SAME - A refrigerator uses a vacuum heat insulation material. The refrigerator includes a door including a space part having a predetermined volume and a housing having a hole to allow communication between inner and outer sides of the space part. The space part includes, as a core material, an open cell polyurethane foam formed by a foam material injected via the hole to fill the space part. | 2014-11-27 |
20140346943 | DISCHARGE LAMP - A discharge lamp includes a discharge tube, a stabilizer housing provided in the inner space that is defined by the discharge tube, the stabilizer housing containing a stabilizer therein, a cover surrounding the discharge tube; a base connected to the stabilizer housing, and a heat insulating means. The heat insulating means prevents the heat of the discharge tube from being transferred to the stabilizer. | 2014-11-27 |
20140346944 | LIGHT SOURCE DEVICE AND FILAMENT - A light source device comprising a filament showing high electric power-to-visible light conversion efficiency is provided. The light source device of the present invention comprises a translucent gastight container, a filament disposed in the translucent gastight container, and a lead wire for supplying an electric current to the filament. The filament comprises a substrate formed from a metal material and a visible light-absorbing film covering the substrate. The visible light-absorbing film is transparent to lights of infrared region. The reflectance of the substrate for visible lights is thereby made low, and the reflectance of the substrate for infrared lights is thereby made high. Therefore, radiation of infrared lights is suppressed, and visible luminous efficiency can be enhanced. | 2014-11-27 |
20140346945 | SPARK PLUG - An ignition plug having a ceramic insulator with an axial bore, a metallic shell provided around the ceramic insulator, and a terminal electrode having a leg portion inserted into a rear end portion of the axial bore and a head portion projecting from the rear end of the ceramic insulator, wherein the length L of a portion of the ceramic insulator projecting from the rear end of the metallic shell is not less than 28 mm but not greater than 34 mm. The thickness t of the thinnest portion of the ceramic insulator is 1.0 mm or greater within a region which extends 5.5 mm from the rear end of the ceramic insulator toward the forward end side with respect to the direction of the axis. | 2014-11-27 |
20140346946 | DISPLAY DEVICE - A display device display device includes a display panel, a thermal diffusion prevention layer disposed on the display panel, a first expansion layer and a second expansion layer disposed on the first thermal diffusion prevention layer, and a heating wire layer disposed on at least one of the first expansion layer and the second expansion layer. | 2014-11-27 |
20140346947 | IMPACT-RESISTANT DISPLAY DEVICE - Provided is a display device including, a substrate, a display pan& disposed on the substrate, a sealing substrate disposed over the display panel, a sealing part disposed between the substrate and the sealing substrate to at least partially surround the display panel, and a buffer part proximate to a corner region of the sealing part to at least partially surround the corner region of the sealing part, the buffer part extending from the substrate to the sealing substrate. | 2014-11-27 |
20140346948 | MICRO-PLASMA FIELD EFFECT TRANSISTORS - In some aspects, a micro-plasma device comprises a plasma gas enclosure containing at least one plasma gas, a plasma generation circuit interfaced with the plasma gas enclosure, and a plurality of electrodes interfaced with the plasma gas enclosure. In other aspects, a micro-plasma circuitry apparatus comprises a first layer having plasma generating electrodes, a second layer having a cavity formed therein, and a third layer having a circuit formed therein. The circuit includes a micro-plasma circuit (MPC) that includes one or more micro-plasma devices (MPDs). A metallic layer covers the MPC except at locations of the MPDs. The first layer is bonded to the second layer and the second layer is bonded to the third layer, thereby forming an enclosure that contains at least one plasma gas. | 2014-11-27 |
20140346949 | HF Resonator and Particle Accelerator with HF Resonator - The invention relates to an HF resonator comprising a cylindrical cavity made of a dielectric material. An inner face of the cavity has an electrically conductive coating which is divided into a first inner coating and a second inner coating by an electrically insulating gap that encircles a lateral face of the cavity in an annular manner. An outer face of the cavity has an electrically conductive first outer coating and an electrically conductive second outer coating. The first outer coating and the second outer coating are electrically insulated from each other. The HF resonator comprises a device that is provided for applying a high-frequency electric voltage between the first outer coating and the second outer coating. | 2014-11-27 |
20140346950 | COMPACT DISCHARGE LAMP - Disclosed is a compact discharge lamp capable of preventing the heat from a discharge tube from damaging circuit elements of a stabilizer. The compact discharge lamp includes: the discharge tube having a structure that provides a stabilizer-accommodating space at the center thereof and including an electrode; a bulb base coupled to an end portion of the stabilizer housing; a stabilizer printed circuit board that is accommodated in the stabilizer housing and is provided with stabilizer circuit elements configured to initiate a discharge by being supplied with electric power from the bulb base and by supplying the electric power to the electrode; and a connection space-forming unit that provides a separate connection space near a circumferential surface of the stabilizer housing in order to electrically connect a stabilizer electric power line extending from the stabilizer printed circuit board with the electrode. | 2014-11-27 |
20140346951 | LED DEVICE WITH POWER REMOVAL DETECTION AND METHOD FOR USING THE SAME - An LED lamp is placed in service on an automotive vehicle to enhance nighttime visual ability or anywhere where increased lighting is needed. The LED lamp utilizes a multi-stage power and control design, where the LED drive current is managed by an LED constant current controller that is coupled to a microprocessor that commands the intensity value of an LED array. The microprocessor manages the light intensity of the LED array using well known pulse-width modulation control methods. The microprocessor measures the voltage of the DC power source and to detect when DC power is removed. Once this detection has occurred, the microprocessor signals the LED current controller to change the current operational mode being delivered to the LED array to the next available operational mode, or alternatively, to the next appropriate operational mode to be used as determined by software stored within the microprocessor. | 2014-11-27 |
20140346952 | REMOTE PLASMA SYSTEM HAVING SELF-MANAGEMENT FUNCTION AND SELF MANAGEMENT METHOD OF THE SAME - A remote plasma system having a self-management function measures an operating state of a remote plasma generator while a remote plasma generator operates, which generates plasma and remotely supplies the generated plasma to a process chamber, thereby allowing a process manager to check the measured operating state and performing a required process control depending on an operating state. According to the remote plasma system having the self-management function, it is possible to check operating state information of the remote plasma generator and plasma treatment process progress state information in the process chamber in real time so as to determine whether the remote plasma generator normally operates and immediately sense occurrence of an error during the operation. | 2014-11-27 |
20140346953 | DRIVING CIRCUIT OF LIGHT-EMITTING DIODE AND DRIVING METHOD THEREOF - The present invention relates to a driving circuit of LED and a driving method thereof, which comprise a converting circuit and a driving unit. The converting circuit receives a pulse-width modulation (PWM) signal and generates an adjusting current according to the PWM signal. The driving unit receives the adjusting current and generates at least a driving current according to the adjusting current for driving a plurality of LEDs coupled to the driving unit. The magnitude of the driving current is adjusted according to the adjusting current. In addition, the driving unit has a bright-controlling pin used for receiving a control signal having a fixed level. | 2014-11-27 |
20140346954 | WHITE LED LIGHT EMITTING DEVICE DRIVEN DIRECTLY BY CONSTANT ALTERNATING CURRENT - The present invention discloses a white LED light emitting device driven directly by constant current in manner of being supplied with alternating current. N parallel branches, consisting of LED modules and constant current units which are in series connection with the LED modules, are connected to an output terminal of a rectification circuit, and by setting the current value, the turning-off voltage, and the turning-on voltage of the constant current unit of each branch, the periodic flickers generated due to changes in the voltage of the alternating current can be avoided. Because the current of each branch is constant, the changes in junction temperatures do not result in the current changing in LED, and the reliability is improved. Along with the increase of the number of the branches, the driving current waveform approximates a sine wave, and the power factor and the efficiency of the light emitting device are improved. | 2014-11-27 |
20140346955 | PROTECTION CIRCUIT WITH LOW ENERGY-CONSUMPTION AND DRIVING CIRCUIT THEREOF - The present invention provides a protection circuit with low energy-consumption and driving circuit thereof, including a detection circuit and a switch circuit, with switch circuit disposed between power supply circuit and peripheral step-down shunt; detection circuit and switch circuit connected for controlling. Switch circuit includes a PNP triode or P MOS transistor connected between power supply circuit and peripheral step-down shunt; wherein base of the PNP triode or P MOS transistor connected to drain of another N MOS transistor through resistor, gate of N MOS transistor connected to status pin of detection circuit. The invention solves drawbacks of existent input voltage after circuit entering a protection state, causing unnecessary energy-consumption in peripheral small-signal circuit and voltage-dividing resistors, and provides the following advantages: simple circuitry, reliable and stable consumption reduction result, without affecting response time and lifespan of circuit when circuit reactivated again, easy control and high safety. | 2014-11-27 |
20140346956 | METHOD OF FORMING A SEMICONDUCTOR DEVICE AND STRUCTURE THEREFOR - In one embodiment, a method of forming an LED control circuit may include configuring the LED control circuit to receive a sense signal that is representative of a value of an LED current flow through a plurality of LED strings wherein each LED string includes a plurality of series coupled LEDs; configuring a detector circuit of the LED control circuit to detect the LED current being no greater than a first value and responsively initiate forming a first time period; and configuring the LED control circuit to inhibit forming the LED current responsively to termination of the first time period. | 2014-11-27 |
20140346957 | MEDICAL LIGHTING SYSTEM, IN PARTICULAR AN OPERATING LIGHTING SYSTEM, AND A METHOD OF CONTROLLING SUCH A LIGHTING SYSTEM - The present invention provides a medical lighting system ( | 2014-11-27 |
20140346958 | Load Driving Device, and Lighting Apparatus and Liquid Crystal Display Device Using the Same - A load driving device disclosed in the specification includes a power supply circuit for supplying to a load an output voltage converted from an input voltage, a detection voltage generation circuit for generating a detection voltage which varies depending on a magnitude of a voltage drop which across the load, and a control circuit for controlling the power supply circuit so that it performs output feedback control of the output voltage, on the basis of the detection voltage. | 2014-11-27 |
20140346959 | Circuit Arrangement and Method for Operating an LED Chain on AC Voltage - A circuit arrangement for operating a chain comprising at least one light emitting diode on an AC voltage, in particular mains voltage, comprising a rectifier with an input circuit for drawing the AC voltage and an output circuit, into which a rectified AC voltage is output. An energy store is provided in the output circuit, in particular a storage capacitor, to which the LED chain can be connected in a parallel circuit. A current controller interrupts, during operation, the charging of the storage capacitor each time the current in the output circuit has risen to a specific threshold current, and enables charging again when the voltage in the output circuit has then fallen to a specific threshold voltage. | 2014-11-27 |
20140346960 | CONSTANT POWER LED CIRCUIT - A constant power drive for light emitting diodes, such that there is automatic compensation for variation in forward voltage of the LED, both in a single unit with temperature, and also due to unit-to-unit variations. | 2014-11-27 |
20140346961 | HIGH-WATTAGE CERAMIC METAL HALIDE LAMP - Aspects of the disclosure include a ceramic metal halide lamp in which two arc tubes are arranged electrically in series inside the same outer globe. By arranging the two arc tubes in such a way that light-emitting parts thereof do not overlap, decline in lifespan due to the heat of one arc tube causing the temperature of the other arc tube to increase and lighting failure due to an increase in lamp voltage do not occur. And by setting the distance from an electrode tip at a base side of the first arc tube to an electrode tip at a lamp-top side of the second arc tube to be equal to or less than 3.5 times the average inter-electrode distance of both arc tubes, a preferable distribution of light is implemented. | 2014-11-27 |
20140346962 | SWITCHED-CAPACITOR ISOLATED LED DRIVER - A switched-capacitor voltage converter which is particularly well-suited for receiving a line voltage from which to drive current through a series of light emitting diodes (LEDs). Input voltage is rectified in a multi-level rectifier network having switched capacitors in an ascending-bank configuration for passing voltages in uniform steps between zero volts up to full received voltage V | 2014-11-27 |
20140346963 | LIGHT SOURCE DRIVING APPARATUS AND LIGHT SOURCE SYSTEM - A light source driving apparatus includes a triac configured to control a phase of an output voltage, a diac connected to a gate of the triac and configured to apply a trigger signal, a voltage charger configured to provide a breakover voltage to the diac, a variable resistor unit configured to determine a point in time at which the voltage charger provides a breakover voltage, and a variable impedance unit connected to both ends of the triac. The variable impedance unit includes a capacitor and an inductor, and is configured to vary impedance of the variable impedance unit. | 2014-11-27 |
20140346964 | APPLICATION CIRCUIT AND CONTROL METHOD THEREOF - An application circuit includes a dynamic load circuit and a control circuit. The dynamic load circuit is electrically connected to a light source. The control circuit is electrically connected to the dynamic load circuit and a TRIAC. The control circuit controls the load status of the dynamic load circuit based on output current from the TRIAC, so as to turn on the light source. | 2014-11-27 |
20140346965 | OPERATING DEVICE WITH POWER FACTOR CORRECTION AND RIPPLE LIMITATION BY CHANGE IN OPERATION - Operating device (A) for a luminous means, the operating device having at least one driver circuit for operating at least one luminous means (Last), an energy store (Cbulk) which supplies the driver circuit, a power factor correction circuit which is in the form of a boost converter, supplies the energy store (Cbulk) and has a storage inductor (Lb), an actively clocked switch (S) and a rectifier diode (D), wherein the storage inductor (Lb) has a secondary winding which is arranged in such a manner that said winding is magnetically coupled to the primary winding of the storage inductor (Lb) and is connected in series with a coupling capacitor. | 2014-11-27 |
20140346966 | LIGHTING DEVICE - A lighting device includes a switch element coupled to a power source; a bridge current rectifying unit in communication with the switch element for converting alternating current received from the power source into direct current; a driving and light-emitting module in communication with the bridge current rectifying unit; and a counting and control unit in communication with the switch element and the driving and light-emitting module. The counting and control unit counts a switching number of the switch element, and selectively outputs one or both of a first enable signal and a second enable signal to the driving and light-emitting module to emit light of a selected feature according to the switching number of the switch element. | 2014-11-27 |
20140346967 | SECONDARY-SIDE SENSING OF PHASE-DIMMING SIGNAL - Current is regulated in an LED lamp by sensing, in a manner electrically isolated from a primary side of a transformer, an LED current in an LED; creating a digital control signal based on the LED current; transmitting the digital control signal from the secondary side of the LED circuit to the primary side; and controlling power delivered to the primary side based at least in part on the transmitted digital control signal. | 2014-11-27 |
20140346968 | PIXEL UNIT DRIVING CIRCUIT AND DRIVING METHOD, PIXEL UNIT AND DISPLAY APPARATUS - There are provided a pixel unit driving circuit and driving method, pixel unit and display apparatus. The pixel unit driving circuit is used for driving a light-emitting device to emit light, and comprises a first thin film transistor (T | 2014-11-27 |
20140346969 | DUAL FUNCTION LIGHT CONTROLLER WITH STAND-ALONE AND PERIPHERAL MODE OF OPERATION - The present invention relates to a dual function light controller for a lighting system comprising a number of light emitting devices. The dual function light controller acts in a stand-alone mode of operation as an independent light controller controlling the lighting system and acts in a peripheral mode of operation act as a peripheral device which at least partially is controlled by a main controller controlling the lighting system. The dual function light controller comprises user switching means enabling a user to switch between the stand-alone mode of operation and the peripheral mode of operation. The present invention relates also to a lighting system comprising such dual function light control device. | 2014-11-27 |
20140346970 | POWERLINE COMMUNICATION CONTROL OF LIGHT EMITTING DIODE (LED) LIGHTING FIXTURES - A powerline communication control system for controlling a lighting unit, such as an LED lighting unit, including a master controller for receiving lighting unit control inputs from a lighting controller and generating corresponding lighting unit command outputs in a lighting system command format and transmission mode and superimposing the lighting unit command outputs onto the power distribution system and at least one lighting slave unit for receiving the lighting command signal, separating the lighting command signal from the power signal and for providing lighting unit control commands to the at least one lighting unit to control illumination thereof. | 2014-11-27 |
20140346971 | LIGHT EMITTING DEVICE AND ORGANIC EL ELEMENT DRIVING METHOD - Provided are a light emitting device and an organic EL element driving method wherein a light emission quality can be maintained by a self-repair without degrading the uniformity of light emission. A light emitting device is characterized in that the light emitting device comprises: a plurality of organic EL elements each of which is supplied with a current, thereby emitting a light; a constant current circuit that supplies a current to each of the organic EL elements; a reverse bias voltage circuit that applies a reverse bias voltage to each of the organic EL elements; and a switch circuit that connects the plurality of organic EL elements in series with the constant current circuit during light emission and that connects the plurality of organic EL elements in parallel with the reverse bias voltage circuit during application of the reverse bias voltage. | 2014-11-27 |
20140346972 | SOLID STATE LIGHT SYSTEM WITH BROADBAND OPTICAL COMMUNICATION CAPABILITY - Systems and methods are disclosed for use in conjunction with a standardized electrical connector of a conventional light bulb or tube with one or more light emitting diodes (LEDs) electrically coupled to at least one electrical connector compatible with a conventional light connector, wherein the LEDs include at least one multiband-type ultra-wideband (UWB) transceiver having one or more optical channels defined using one or more OFDM bands; and a controller coupled to the LEDs, the controller adjusting LED light output and communicating with the optical network using the optical transmitter and receiver. In other embodiments, the LEDs include at least one optical transmitter and receiver optically coupled to an optical network using at least one LED with a first mode to generate light and a second mode to receive optical transmissions using ambient light. | 2014-11-27 |
20140346973 | SYSTEMS AND METHODS FOR DIMMING CONTROL USING TRIAC DIMMERS - System and method for dimming control of one or more light emitting diodes. An example system includes one or more signal processing components configured to receive a first signal associated with a TRIAC dimmer, process information associated with the first signal, determine whether the TRIAC dimmer is in a first condition or a second condition, generate a second signal based on at least information associated with the first signal, and send the second signal to a switch. The one or more signal processing components are further configured to, if the TRIAC dimmer is determined to be in the first condition, generate the second signal to cause the switch to be opened and closed corresponding to a modulation frequency. | 2014-11-27 |
20140346974 | SMART FET CIRCUIT - A lighting module has at least one array of solid-state lighting elements, a variable resistor having an input of an intensity control voltage for the array of solid-state lighting elements, the variable resistor having an output electrically connected to an input of the array of solid-state lighting elements, and a voltage regulator electrically connected to the output of the variable resistor, the voltage regulator having an output connected to an input of the array of solid-state lighting elements. | 2014-11-27 |
20140346975 | MULTI-ELECTRODE FIELD EMISSION DEVICE HAVING SINGLE POWER SOURCE AND METHOD OF DRIVING SAME - A field emission device and a method of driving the multi-electrode field emission device having a single driving power source are disclosed. The field emission device includes a cathode electrode, one or more gate electrodes, a voltage division unit, and a power source unit. The cathode electrode is figured such that at least one emitter is formed thereon. The gate electrodes are disposed between an anode electrode and the cathode electrode, and each have one or more openings through which electrons emitted from the emitter can pass. The voltage division unit has one or more divider resistors, and divides a voltage applied from the power source unit using the divider resistors and then applies partial voltages to the one or more gate electrodes. The power source unit includes a single power source, and applies the voltage to the voltage division unit. | 2014-11-27 |
20140346976 | METHOD FOR MANUFACTURING NANOSTRUCTURES AND CATHODE FOR FIELD EMISSION LIGHTING ARRANGEMENT - The present invention relates to a method for manufacturing a plurality of nanostructures comprising the steps of providing a plurality of protruding base structures ( | 2014-11-27 |
20140346977 | CONTROLLER FOR A FLUORESCENT LAMP - A controller for a fluorescent lamp comprises a toggle arrangement adapted to turn the lamp on, in response to a user performing an on-off-on power toggle, wherein the on-off-on power toggle comprises a first on-period, during which the controller prevents the lamp from being turned on. | 2014-11-27 |
20140346978 | Light Emitting Surface - An electronic device whose housing can be electronically changed in look. The housing can have at least one curved surface, an electronic device, in the housing, the electronic device carrying out a function and displaying information. The housing has a controllable color portion on the outer surface. That color portion is controlled to display its color. | 2014-11-27 |
20140346979 | CONTROL DEVICE AND CONTROL METHOD FOR VEHICULAR ROTATING ELECTRIC MACHINE - When a command frequency to a rotating electric machine is included in an inverter lock frequency band, a frequency switching section switches the command frequency to a frequency outside the inverter lock frequency band by changing a slip frequency command value. In response to this, a torque command change section changes a torque command to a second rotating electric machine other than a first rotating electric machine of which the slip frequency is changed such that a torque fluctuation caused by the change of the slip frequency command value is canceled out. | 2014-11-27 |
20140346980 | SENSORLESS POSITION CONTROL OF ACTIVE-MATERIAL ACTUATORS - A system for estimating a position associated with a pre-tensioned active material without using a position sensor. The system includes an active material being transformable between a first state and a second state in response to a pre-determined stimulus and pre-tensioned to at least a pre-determined threshold, yielding the pre-tensioned active material. The system also includes a processing unit configured to perform various operations. The operations include obtaining a value for electrical resistance of the pre-tensioned active material. The operations also include estimating, using the electrical resistance determined, the position associated with the pre-tensioned active material. | 2014-11-27 |
20140346981 | STORAGE MODULE VOLTAGE EQUALIZER, STORAGE DEVICE, AND OPERATING MACHINE - A storage module voltage equalizer includes a plurality of voltage equalization circuits that are prepared to correspond to a plurality of storage cells which are arranged to be lined up in a first direction, and equalize an inter-terminal voltage of the plurality of storage cells, and a plurality of mounting substrates that are stacked, in which the plurality of voltage equalization circuits are mounted, in a distributed manner, on the plurality of mounting substrates. | 2014-11-27 |
20140346982 | Method and Apparatuses for Authenticating Measurement Data for a Battery - A method for authenticating measurement data for a battery that comprises at least one battery module, having an associated module controller, and a central controller has the following steps: capture of measurement data from battery units by the module controller; ascertainment of at least one additional information carrier, which is set up to authenticate the measurement data, by the module controller; transmission of the measurement data and of the additional information carrier from the module controller to the central controller; and validation of the measurement data by the central controller using the additional information carrier. Furthermore, a data structure, a computer program and a battery management system are specified that are set up to perform the method, and also a battery and a motor vehicle, the drive system of which is connected to a battery of this kind. | 2014-11-27 |
20140346983 | MOTOR CONTROL DEVICE AND MOTOR CONTROL METHOD - This motor control device generates a voltage command value from a current command value and performs feedback control by means of a detected current flowing through a motor. The motor control device is provided with: a speed control unit that causes the motor to rotate at a set speed, and performs speed control of the motor on the basis of a speed command value that causes the flow of a d-axis current that is a set amount of current; a current measurement unit that measures a current command value that is on the basis of the output of the speed control unit when the motor is rotated at the set speed and the set amount of d-axis current is flowing; and a correction value calculation unit that calculates a correction value for the rotational position of the motor on the basis of the measured current command value. | 2014-11-27 |
20140346984 | MAGNETIC POLE POSITION ESTIMATING APPARATUS FOR ELECTRIC MOTOR, CONTROLLING APPARATUS FOR ELECTRIC MOTOR, AND MAGNETIC POLE POSITION ESTIMATING METHOD FOR ELECTRIC MOTOR - A controlling apparatus for an electric motor according to an embodiment includes a superposed component generator, an inverter, a current detector, and a magnetic pole position estimator. The superposed component generator generates, at a predetermined cycle, a superposed voltage reference of which vector is shifted by 90 degrees with respect to that of a superposed voltage reference previously generated, in a coordinate system that is set to a stator of the electric motor. The inverter outputs a driving voltage that is based on a driving voltage reference superposed with the superposed voltage reference to the electric motor. The current detector detects currents flowing into respective phases of the electric motor, and outputs the detected currents. The magnetic pole position estimator detects the magnetic pole position of the electric motor based on an amount of change in the detected currents at the predetermined cycle. | 2014-11-27 |
20140346985 | DRIVE INVERTER HAVING A TORQUE ERROR DETECTOR - An inverter, which drives an electric motor installed in a road vehicle, includes sensors, a storage apparatus, a power calculator, a torque calculator, a deviation calculator, and a torque corrector. The sensors measure at least one voltage and at least one current within the inverter. The storage apparatus records values measured during an electric revolution of the motor. Following the electric revolution, the power calculator calculates a mean electric power based on the recorded values. From the mean electric power and a rotational speed of the motor during the electric revolution, the torque calculator calculates a torque produced on an output shaft of the motor, The deviation calculator determines a deviation between the torque produced on the output shaft and a setpoint torque of the inverter. When an absolute value of the deviation is greater than a predetermined threshold, the torque corrector makes a torque correction. | 2014-11-27 |
20140346986 | PARALLEL HARNESS CURRENT IMBALANCE AND FAILURE DETECTION - Current imbalance may be detected in a 3-phase power system by monitoring current output between two points of a phase signal provided along wire pairs from an inverter to a motor. In some embodiments, each wire of a wire pair leading to the motor from the inverter may be provided with a line current sensor. A comparison of current output from each wire in the wire pair may be performed to determine if a current imbalance is present. In some embodiments, a phase current sensor may be coupled to a phase input of the inverter. Failures in the 3-phase system may be detected by measuring the output from each phase current sensor for imbalanced distribution of power output. In some embodiments, the output from the phase current sensors may be compared to an output of a line current sensor along the same phase for current imbalances or harness failures. | 2014-11-27 |
20140346987 | EC MOTOR WITH DYNAMIC DETERMINATION OF OPTOCOUPLER DEGRADATION - In an EC motor, comprising a motor electronics, a signal input or a signal output, and an optocoupler for the galvanically isolated transmission of a useful signal between the motor control unit and the signal input or the signal output, the intention is to reliably determine the degradation of the optocoupler and to improve the service life of the EC motor. This is achieved in that an evaluation unit regularly evaluates a saturation voltage of the optocoupler at the output of the optocoupler in relation to a reference threshold when the optocoupler is wired and generates a warning signal when the saturation voltage exceeds the reference threshold. | 2014-11-27 |
20140346988 | ALTERNATING CURRENT ELECTRIC SYSTEM AND CONTROL METHOD THEREOF - When the current flowing through each electric terminal of an AC motor | 2014-11-27 |
20140346989 | INVERTER CONTROLLER AND METHOD OF CONTROLLING AN INVERTER - A method of controlling a switching frequency of an inverter, the method comprising the steps of: measuring a signal indicative of a temperature variable at a first switching frequency to determine a measured temperature variable; comparing the measured temperature variable to a first threshold; determining if the measured temperature variable is above the first threshold; if the measured temperature variable is not above the first threshold, calculating the temperature variable at a second switching frequency; if the temperature variable calculated at the second switching frequency is less than the first threshold, setting the switching frequency of the inverter to the second switching frequency. | 2014-11-27 |
20140346990 | METHOD OF DETERMINING THE POSITION AND THE SPEED OF A ROTOR IN A SYNCHRONOUS ELECTRIC MACHINE USING STATE OBSERVERS - The invention is a method of determining the position and the speed of the rotor in a synchronous electric machine using a state observer of the currents of the electric machine and the injection of signals. Thus, the invention provides position information which is accurate, notably at low speed, without using a position detector. The invention also is a control method and system for controlling a synchronous electric machine which accounts for the position determined for the rotor. | 2014-11-27 |
20140346991 | METHOD AND SYSTEM OF INTERNAL TEMPERATURES DETERMINATION IN A SYNCHRONOUS ELECTRIC MACHINE USING STATE OBSERVERS - The invention relates to a method of determining internal temperatures ( | 2014-11-27 |
20140346992 | METHOD AND APPARATUS FOR GENERATING ELECTRICAL AND MECHANICAL ENERGY - A method and apparatus for generating electrical energy comprises driven permanent magnets mounted tangentially on a freely rotating disk attached to a relatively stationary platform, and driver permanent magnets mounted on the platform radially to the disk. As the disk rotates, as a driven magnet approaches a driver magnet, their respective opposite poles attract, accelerating the disk. After the driven magnet passes the driver magnet, their like poles repel, also accelerating the disk. When the two permanent magnets are in close proximity, such that repulsion between like poles would decelerate the disk, an electromagnet is engaged between the two permanent to counteract this counterproductive force. One or more coils generate electricity through electromagnetic induction when the driven magnet passes them. A portion of this electricity powers the electromagnet, and the balance is the net energy generated. | 2014-11-27 |
20140346993 | Fan motor driving device, driving method, and cooling device and electronic machine using the same - A fan motor driving device driven based on a pair of out-of-phase Hall signals may include a first driving portion, configured to (i) amplify a difference of the pair of the Hall signals with a first polarity and generate a first control signal, and (ii) switch between a driving status and a regeneration status; a second driving portion, configured to (i) amplify the difference of the pair of the Hall signals with a second polarity, and generate a second control signal, and (ii) switch between a driving status and a regeneration status; and a regeneration controller, controlling statuses of the first driving portion and the second driving portion, respectively. | 2014-11-27 |
20140346994 | Phase Gating Controller and Method for Phase Gating Control - A phase gating controller includes a thyristor/triac having a control terminal and two power terminals, a sampling device for sampling a voltage present across the power terminals of the thyristor/triac and a control device configured to provide a control voltage at the control terminal in order to trigger the thyristor/triac. The control device is further configured to switch off the control voltage at the triggered thyristor and to detect an unexpected turning-off of the thyristor/triac if the sampled voltage exceeds a predetermined threshold value. | 2014-11-27 |
20140346995 | Predictive Pulse Width Modulation for an Open Delta H-Bridge Driven High Efficiency Ironless Permanent Magnet Machine - Embodiments of the present method and system permit an effective method for determining the optimum selection of pulse width modulation polarity and type including determining machine parameters, inputting the machine parameters into a predicted duty cycle module, determining the optimum polarity of the pulse width modulation for a predicted duty cycle based on a pulse width modulation generation algorithm, and determining the optimum type of the pulse width modulation for a predicted duty cycle based on the pulse width modulation generation algorithm. | 2014-11-27 |
20140346996 | POSITION LIMITING DEVICE AND CONTROL METHOD - A position limiting device includes a magnetic element, a detecting element, a motor, and a controller. The magnetic element is disposed in the center of the position limiting device, the motor is coupled to the detecting element, and the controller is electrically coupled to the detecting element and the motor. The detecting element is configured to detect magnetic fields generated by the magnetic element, and correspondingly generate and transmit a magnetic field intensity signal. The controller is configured to receive and process the magnetic field intensity signal to obtain a magnetic field intensity value. In addition, the controller is further configured to compare the magnetic field intensity value and a magnetic field intensity boundary value. When the magnetic field intensity value is less than the magnetic field intensity boundary value, the controller drives the motor so that the motor makes the detecting element to move correspondingly to the magnetic element. | 2014-11-27 |
20140346997 | SERVO DOOR-CLOSER - A power-assisted door closer includes an output shaft, a driving mechanism operatively connected to the output shaft, a mechanical energy accumulator for storing closing energy for the door leaf and acting upon the driving mechanism, a motor/generator unit operatively connected to the output shaft and an electrical energy accumulator for storing an assisting energy for the door leaf and being electrically connected to the motor/generator unit. | 2014-11-27 |
20140346998 | ASYNCHRONOUS MOTOR UNIT COMPRISING A FREQUENCY CONVERTER WITH ELECTRICAL ISOLATION IN THE DC VOLTAGE INTERMEDIATE CIRCUIT - The invention relates to an asynchronous motor unit including a frequency converter for regulating the asynchronous motor. The frequency converter comprises an input-side, uncontrolled bridge rectifier, a DC voltage intermediate circuit and an output-side inverter. According to the invention, the DC voltage intermediate circuit furthermore comprises a DC-to-DC converter with galvanic isolation, with the result that electrical isolation between the bridge rectifier and the inverter is produced. | 2014-11-27 |
20140346999 | CONTROL DEVICE AND CONTROL METHOD - A control device for an induction motor that drives a vehicle includes an electronic control unit. The electronic control unit i) controls torque of the induction motor when an inverter that controls supply of electric current to the induction motor is in a locked state, so as to release the inverter from the locked state, ii) determines whether the inverter is in the locked state, iii) controls a slip frequency of the induction motor when it determines that the inverter is in the locked state, and iv) superimposes a frequency that actual torque does not substantially respond, on the slip frequency, so that an electric frequency lies in a region outside a lock region in which the inverter is in the locked state. | 2014-11-27 |
20140347000 | Modular Tablet Case - A tablet computer with modular assembly having interchangeable end cap portions, and a method for installing the same. The assembly provides a universal design and customized features to a range of tablets. The modular assembly has a tablet carrier encasing a selected type of tablet computer and an exterior housing enclosing the tablet carrier. The exterior housing contains at least one battery and a controller for communication with the selected tablet computer. The housing also includes end cap portions configured to communicate with the controller and implement a function. The end caps can be interchanged. The tablet carrier and/or exterior housing can also include one or more programmable buttons with actuators for electromechanically actuating a button or an application associated with the tablet. | 2014-11-27 |
20140347001 | MASTER-SLAVE MULTI-PHASE CHARGING - A multi-phase charging circuit comprises a device that can be configured for master mode operation or slave mode operation. In master mode operation, the device generates a control signal and a clock signal to control operation of a switching circuit for generating charging current. In slave mode operation, the device receives externally generated control and clock signals to control operation of its switching circuit. | 2014-11-27 |
20140347002 | ELECTRONIC DEVICE - An electronic device includes a charging socket, a protection circuit, and a battery. The charging socket includes a charging pin. The charging pin is detachably connected to a charging plug of a power supply device, receives power from the power supply device, and transmits the power to the battery. The protection circuit is connected between the battery and the charging socket, and controls whether the battery is electrically connected to the charging pin. During a process of disconnecting the charging socket from the charging plug, the protection circuit disconnects the battery from the charging pin before the charging pin is disconnected from the charging plug. | 2014-11-27 |
20140347003 | MASTER-SLAVE MULTI-PHASE CHARGING - A battery charging circuit comprises two or more charging circuits, each capable of charging a battery. The charging outputs of the charging circuits are connected together and can be connected to a battery to provide fast charging of the battery. The charging circuits can be configured so that they do not adversely interfere with each other during battery charging. | 2014-11-27 |
20140347004 | CHARGING CONTROL CIRCUIT AND ELECTRONIC DEVICE WITH THE SAME - A control circuit of minimal size for quickly charging a large-capacity battery of an electronic device is connected between a charging port and the battery. The charging control unit includes a charging control chip, a first resistor, and a current adjusting unit. The charging control chip provides a predefined voltage to charge the battery. The current adjusting unit includes a second resistor and a switching unit connected between the charging control chip and the battery, in parallel with the first resistor. The switching unit detects whether the electronic device is on or off. If the electronic device is on, the switching unit turns off to disconnect the second resistor from the battery. If the electronic device is off, the switching unit turns on to connect the second resistor to the battery. An electronic device including the charging control circuit is also provided. | 2014-11-27 |
20140347005 | POWER ADAPTER,CONTROLLING METHOD THEREOF AND NOTEBOOK COMPUTER - The present invention discloses a power adapter, a controlling method thereof and a notebook computer including the power adapter. The power adapter includes a first DC-DC converter and a device charging circuit. The first DC-DC converter has an input terminal and an output terminal. The output terminal of the first DC-DC converter is connected to a first external port. The device charging circuit includes an energy storage unit and at least one second DC-DC converter. An output terminal of each of the at least one second DC-DC converter is connected to at least one second external port. The energy storage unit is connected to the output terminal of the first DC-DC converter so as to receive power therefrom or output power to the first external port, and the at least one second DC-DC converter is connected to the energy storage unit so as to receive power therefrom. | 2014-11-27 |
20140347006 | WIRELESS POWER TRANSMISSION APPARATUS AND METHOD - A wireless power transmission apparatus for preventing a misconnection between the wireless power transmission apparatus and a wireless power reception apparatus in an environment in which a plurality of wireless power transmission apparatuses charge a plurality of wireless reception apparatuses includes a detector configured to detect a signal induced in a resonator, and a controller configured to determine either one or both of a transmission interval of a wake-up power and a point in time at which the wake-up power is transmitted to prevent a waveform of the detected signal from overlapping a waveform of the wake-up power. | 2014-11-27 |
20140347007 | Wireless Power Transfer (WPT) for a Mobile Communication Device - A wireless power transfer (WPT) station is disclosed for wirelessly transferring power to a WPT enabled device. To initiate charging of the WPT enabled device, the WPT enabled device is simply moved to be proximate to the WPT station. After an initialization and setup period, the WPT station transmits power transfer signals to the WPT enabled device. The WPT enabled device receives the transferred power transfer signals, typically through inductive coupling, and extracts a voltage and/or current therefrom for charging. The extracted voltage and/or current can then be rectified and/or regulated by the WPT enabled device to produce a charging voltage and/or charging current that can be stored in a power storage element, such as a battery or a capacitor to provide some examples, of the WPT enabled device. | 2014-11-27 |
20140347008 | WIRELESS POWER TRANSMITTER AND WIRELESS POWER TRANSFER METHOD THEREOF - A wireless power transmitter including a power supply unit configured to supply an input voltage; a power conversion unit configured to generate wireless power based on a driving signal, generated by the supplied input voltage and a first pulse width modulation (PWM) signal, and transfer the wireless power to a wireless power receiver; and a power transmission control unit configured to receive a voltage value of a battery charged with the wireless power through a wireless network, and generate the first PWM signal based on the voltage value of the battery. | 2014-11-27 |
20140347009 | VEHICLE-MOUNTED CHARGER - A vehicle-mounted charger which performs wireless charging includes a control unit which controls energization of a primary coil, a position detection unit which detects a positional relationship between the primary coil and a secondary coil of an apparatus to be charged such as a mobile phone, and a notification unit which performs notification to the user. In a state where the energization of the primary coil is not performed, the control unit acquires the positional relationship between the primary coil and the secondary coil which is detected by the position detection unit, and controls the notification unit to notify of the positional relationship. | 2014-11-27 |
20140347010 | Inductive Charging Method for Vehicles - An inductive charging system for vehicles includes a power receiving (PR) device disposed in a vehicle, and a power sourcing (PS) device disposed in a charging equipment separated from the vehicle. | 2014-11-27 |
20140347011 | POWER STORAGE SYSTEM AND METHOD OF DRIVING THE SAME - A power storage system and a method of driving the power storage system and preventing damages due to possible erroneous operations are disclosed. One inventive aspect includes a power converter that converts power, a power storage device that stores power and a main switch that is configured to switch between a charge path and a discharge path. The power storage system controls the main switch by sensing a connection between the power converter and the power storage device. | 2014-11-27 |
20140347012 | BATTERY MANAGEMENT SYSTEM AND METHOD OF DRIVING THE SAME - A battery management system (BMS) and a method of driving the same are disclosed. In one aspect, the BMS includes a first state of charge (SOC) estimator configured to estimate an SOC of a battery using at least one of i) a charge and discharge current of the battery, ii) a voltage of the battery and iii) a temperature of the battery. The BMS also includes a residual capacity estimator, when the estimated SOC is substantially equal to or less than the reference SOC, configured to estimate a current residual capacity using at least one of i) a reference residual capacity calculated from a reference SOC, ii) the measured battery voltage, iii) a first reference voltage, and iv) a second reference voltage. The BMS further includes a second SOC estimator configured to estimate a current SOC based at least in part on the current residual capacity. | 2014-11-27 |
20140347013 | BATTERY MANAGEMENT SYSTEM AND METHOD OF DRIVING THE SAME - A battery rack includes: a plurality of battery packs; a plurality of slave battery management systems, each of the slave battery management systems being coupled to a corresponding one of the battery packs, being powered by an operating power, and being configured to use the corresponding one of the battery packs for the operating power in response to receiving a corresponding one of a plurality of operating power changing signals; and a master battery management system coupled to the slave battery management systems and configured to transmit the operating power changing signals to the slave battery management systems. | 2014-11-27 |
20140347014 | FAULT TOLERANT WIRELESS BATTERY AREA NETWORK FOR A SMART BATTERY MANAGEMENT SYSTEM - A Wireless battery area network permits the wirelessly monitoring and controlling of individual batteries within large-scale battery applications. The system automatically configures its wireless nodes in the network and provides for the linking of a plurality of batteries ( | 2014-11-27 |
20140347015 | POWER SUPPLY AVOIDING OVER-DISCHARGE OF BATTERY MODULES - A power supply avoiding over-discharge of battery modules includes a main power supply system and a redundant power supply system. The invention uses a battery protection module to detect the status of a battery module in the redundant power supply system in normal conditions. The battery protection module includes an activation path connected to the main power supply system to receive standby power, a battery detection path connected to the battery module to receive a micro current and generate a protection activation signal when the battery module is in a charge-waiting state, and a protection activation path connected to a switch unit in the redundant power supply system to receive the protection activation signal to make the switch unit enter an OFF state. | 2014-11-27 |
20140347016 | METHOD FOR CONTROLLING AN ENERGY STORAGE SYSTEM - A method for controlling an energy storage system. The same battery system shall support multiple services at the same time. During a planning phase, the multiple services to be provided are determined, based on the market situation and the capabilities of the energy storage system, and prioritized according to predefined criteria. During an operation phase, the power and energy status of the energy storage system is periodically monitored, and compared against the power and energy demands of the multiple services, in order to determine whether at each time instance, the multiple services can indeed be supported at the same time. In case power and/or energy limits are exceeded by the multiple services, at least one service is interrupted to allow the operation of the energy storage system to be within power/energy limits again. The interrupted service(s) is resumed when the power/energy limits are met. | 2014-11-27 |
20140347017 | RAPID CHARGING POWER SUPPLY SYSTEM - A rapid charging power supply system comprises: a stationary rapid charger ( | 2014-11-27 |
20140347018 | Location Based Charging Control System - A method for automatically charging the battery pack of an electric vehicle in accordance with a set of location sensitive charging instructions is provided. Exemplary location sensitive charging instructions include preset charging schedules and preset charge level limits. Different charging schedules and different charge level limits may be preset for different charging stations and locations, thus allowing the user to preset the charging instructions for each of multiple locations where the user routinely charges their car. Default charging instructions are used at those charging stations and locations where a set of location sensitive charging instructions has not been preset. | 2014-11-27 |
20140347019 | VOLTAGE-CONTROLLED DC LINK FOR VARIABLE FREQUENCY GENERATOR EXCITATION - Apparatus for controlling the excitation current of a variable frequency generator (VFG) including means to create a voltage-regulated DC link using PMG power and frequency information, the latter being the image of the VFG mechanical input speed. A step-down voltage-controlled chopper is inserted between the passive rectifier stage and the excitation current control chopper. The control law of this voltage-controlled source is such that when the mechanical input speed of the VFG increases, its output (controlled DC-link voltage) decreases non-linearly, leading to DC link voltage varying from V (engine at idle) to V/2 (engine at take-off speed). The DC voltage becomes inverse-proportional to input mechanical speed. | 2014-11-27 |
20140347020 | METHOD AND ARRANGEMENT FOR FEEDING ELECTRICAL POWER FROM A WIND ENERGY INSTALLATION INTO AN AC VOLTAGE SYSTEM - Electrical power is fed from a wind energy installation into an AC voltage system via an energy transmission path, which is delimited by an installation-side transformer and a system-side transformer. A power factor correction device is connected, at a common node between the energy transmission path and the AC voltage system using a closed-loop control device, which controls the wind energy installation and which receives a variable which is proportional to the reactive power on the energy transmission path and a further measured variable. A measurement signal produced at the output of the power factor correction device is used as further measured variable. The closed-loop controller has such a control characteristic that the voltage on the low-voltage side of the system-side transformer increases, depending on the reactive power on the energy transmission path, from the inductive range to the capacitive range. | 2014-11-27 |
20140347021 | SAMPLING NEGATIVE COIL CURRENT IN A SWITCHING POWER CONVERTER AND METHOD THEREOF - An electronic circuit and method for sampling negative coil current in a power converter includes a zero crossing detector and a sample-and-hold circuit. A switch determines whether a charging or discharging current is flowing through a coil. | 2014-11-27 |
20140347022 | VOLTAGE REGULATOR - Provided is a voltage regulator capable of accurately adjusting a tail current of a differential amplifier circuit without adding a test terminal. The voltage regulator includes: a constant current circuit for causing the tail current of the differential amplifier circuit to flow; a protection circuit; a current output circuit for outputting a current of the constant current circuit to a test terminal for measuring characteristics of the protection circuit; a switch circuit for stopping a function of the protection circuit; and a fuse provided between the test terminal and the current output circuit. | 2014-11-27 |
20140347023 | SEMICONDUCTOR INTEGRATED CIRCUIT - A reference power supply is built into a semiconductor integrated circuit, receives an input voltage V | 2014-11-27 |
20140347024 | CURRENT DIVIDER FOR EXTENDED CURRENT MEASUREMENT - A power controller controls power to a load and includes a primary conductor, a current divider, first and second current sensors, and a controller. The primary conductor carries a primary current to the load. The current divider is connected between the primary conductor and the load and includes a first conductor and a second conductor. The second conductor has a greater impedance than the first conductor. The first current sensor provides a first output representative of the primary current, and the second current sensor provides a second output representative of a secondary current in the second conductor of the current divider. The controller determines the primary current to the load based upon the first output when the primary current is less than a threshold value, and based upon the second output when the primary current is greater than the threshold value. | 2014-11-27 |
20140347025 | Integrated Voltage Regulator Substrate System and Methods Having a Coupled-Magnetic-Core Inductor - An integrated voltage regulator substrate or interposer system includes a control system and coupled-magnetic-core inductors. The control system is integrated within a package. The coupled-magnetic-core inductors are integrated in the package. The control system is configured to utilize the coupled-magnetic-core inductors to generate a selected regulated voltage for drastically electrical power consumption saving, especially advantageous for portable, mobile or cloud computing device packages relatively smaller form factor, shorter interconnect path, faster operation speed and broader frequency bandwidth. | 2014-11-27 |
20140347026 | CIRCUIT FOR VOLTAGE REGULATION - A voltage regulator circuit is provided that includes a pass circuit including a field effect transistor (FET) having a gate coupled to the output of a comparison circuit. The comparison circuit is configured to provide a signal to the pass circuit that is based on a comparison of a first input coupled to a reference voltage and a second input. The voltage regulator includes a feedback path configured and arranged to provide feedback from an output of the pass circuit to a second input of the comparison circuit. The voltage regulator also includes a current adjustment circuit configured and arranged to adjust current consumed by the comparison circuit based on a current passed by the pass circuit. | 2014-11-27 |
20140347027 | OPTIMAL RIPPLE INJECTION FOR A BOOST REGULATOR - A boost switching regulator incorporates a ripple injection circuit to generate a voltage ripple signal for feedback control that mimics the actual ripple signal of the regulated output voltage. In this manner, the ripple injection circuit achieves optimal ripple injection for stable and enhanced feedback control. In one embodiment, the injected ripple signal is generated from a current injection signal that mimics the difference between the inductor current that flows through the synchronous rectifier and the load current when the synchronous rectifier is on. The injected voltage ripple signal is generated when the current injection signal is integrated by a feedforward capacitor. | 2014-11-27 |
20140347028 | BOOST REGULATOR INCORPORATING PEAK INDUCTOR CURRENT MODULATION - A boost switching regulator incorporates a peak inductor current modulation circuit to modulate the peak inductor current as a function of the load current, the input voltage, the regulated output voltage, and a fixed current value. In this manner, the switching frequency of the boost regulator can be maintained above a given value or within a given frequency range over a wide range of load conditions and also over input voltage variations and output voltage settings. | 2014-11-27 |