| 10th week of 2013 patent applcation highlights part 18 |
| Patent application number | Title | Published |
|---|
| 20130057183 | HYDRAULIC ELECTRICITY GENERATOR AND SEPARATION TYPE ELECTRIC FLUID PUMP DRIVEN BY THE SAME - The present invention relates to a hydraulic electricity generator and separation type electric fluid pump driven by the same, wherein an external fluid in a specific space is adopted as a driving power source for driving a blade set to convert the fluid kinetic energy into rotary kinetic energy to drive a generator, and the electric power produced by the generator is transmitted through a conductive wire for transmitting electric power with a linear transmission means, thereby driving an electric fluid pump device including an electric fluid pump or electric fan and installed in the specific space, the application thereof is for example converting the external fluid kinetic energy into indoor airflows. | 2013-03-07 |
| 20130057184 | METHOD AND APPARATUS FOR DRIVING ALTERNATING-CURRENT MOTOR - A method of driving an alternating-current (AC) motor while periodically obtaining a rotator angle of the AC motor. The method includes: (a) driving the AC motor by a d | 2013-03-07 |
| 20130057185 | METHOD FOR STARTING A SYNCHRONOUS MACHINE - In a method for starting a synchronous machine, a default torque is predefined, and a rotational speed of the synchronous machine is adjusted after starting. A torque which is higher than the default torque is predefined, and the higher torque is reduced in the subsequent second step to a positive value which is less than the default torque, and is increased to the default torque in a third step. | 2013-03-07 |
| 20130057186 | MOTOR CONTROL DEVICE - A motor control device including: a following control unit that calculates a pre-correction torque command based on a difference between an operation command signal for commanding an operation of a motor and a detection signal resulting from detecting an operation of the motor; an adder that outputs a post-correction torque command by adding the pre-correction torque command to a correction torque command; and an electric-current control unit that outputs a drive current driving the motor based on the post-correction torque command, wherein the motor control device executes control so that the detection signal matches the operation command signal, and further including: a reference-periodic-signal computation unit; an amplitude/phase estimation unit; and a correction-torque computation unit, so that the correction torque command is updated such that a difference between the correction torque command and the post-correction torque command becomes smaller. | 2013-03-07 |
| 20130057187 | METHOD AND DEVICE FOR DETECTING BLOCKING OR SLUGGISHNESS OF A DC MOTOR - The invention relates to a method for detecting blocking or sluggishness (M | 2013-03-07 |
| 20130057188 | APPARATUS FOR CONTROLLING BOOST CONVERTER - An apparatus for controlling a boost converter is provided with: an operating device provided with a proportional element, an integral element and a derivative element, the derivative element being configured as a bandpass filter, the operating device calculating a PID controlled variable corresponding to an electric current command value of the boost converter; a controlling device for controlling the output voltage of the boost converter on the basis of the calculated PID controlled variable; a judging device for judging whether or not loss suppression on the direct current power supply is to be prioritized; and a switching device for switching an operation mode of the operating device from a variation suppression mode to a loss suppression mode if it is judged that the loss suppression is to be prioritized. In the loss suppression mode, a cutoff frequency of the bandpass filter is corrected to a lower frequency side at a lower rotational speed of the three-phase alternating current motor. | 2013-03-07 |
| 20130057189 | REVOLUTION STABILIZATION CONTROL (RSC) SYSTEM - The present invention converts conventional electric motors into dual rotational machines. The extreme novelty and utility of such an apparatus rests with the fact that it offers a revolutionary method of precision RPM control to accessory systems that could become far more effective and efficient if run at speeds independent of the RPM produced by the primary drive source said accessory systems are coupled to. Conversion of conventional motors consists of precision modification and balancing of a motors case/stator sufficient to maintain a steady state RPM consistent with the needs of dependant accessory systems. Superimposing a method of coupling accessory systems to the drive speeds of the present inventions case/stator suggests many options—e.g. drive belt pulley. Attachment to a primary drive source could be a simple bore through the rotor assembly. | 2013-03-07 |
| 20130057190 | DEVICE AND METHOD FOR REGULATING AN INCREASE IN THE OUTPUT TORQUE OVER TIME OF AN ELECTRIC DRIVE MOTOR - A device for regulating an increase in the output torque over time of an electric drive motor, including a monitoring unit for monitoring an operating variable of the electric drive motor, a regulating unit for regulating the operating variable for regulating the increase in output torque over time, a control unit for activating the regulating unit as a function of a time derivation of the monitored operating variable, the regulating unit being designed to be deactivated after a predetermined period of time. A method for regulating an increase in the output torque over time of an electric drive motor is also described. A corresponding tool and a computer program having program code for carrying out the method are also described. | 2013-03-07 |
| 20130057191 | MOTOR CONTROL APPARATUS - A motor control apparatus includes a position detector to detect a position of a motor. A speed operator calculates a first speed of the motor. A position controller outputs a first speed command. A speed controller acquires a difference between the first speed command and a second speed of the motor to output a first torque/thrust command. A phase compensator includes a lowpass filter to advance a phase of the second speed, and acquires the first speed and the first torque/thrust command to output the second speed. An inertia variation inhibitor includes a disturbance observer estimating a disturbance torque/thrust. The inertia variation inhibitor acquires the first speed and a second torque/thrust command, and adds the disturbance torque/thrust to the first torque/thrust command to output the second torque/thrust command. A torque/thrust controller acquires the second torque/thrust command to control a motor torque/thrust. | 2013-03-07 |
| 20130057192 | AUTOMATIC REVERSIBLE SYNCHRONIZING SWITCHING CIRCUIT - A multifunctional device for measuring fluorescence, luminescence and light transmission for diagnostics comprises a first and second group of screens mounted behind the rear surface of a sample solid carrier. A sample carrier is designed in the form of a biochip, cell, pan or microplate. The sample carrier's light sources are provided with light-absorbing elements for suppressing light reflected from the front surface of the sample carrier and from screen surfaces. Screen holders allow for alternatively mounting light reflective/retroreflective screens to maximize fluorescent or luminescent signal. A diffusing screen measures light transmission through the sample. Light-absorbing screens behind the rear surface of the sample and light-absorbing elements on light sources from the sample's top surface, increase signal-to-noise ratio. The device permits measuring signals on biochip surfaces and in solutions during hybridization or amplification reactions. The device and diagnostic method are suitable for mass screening of biological material samples. | 2013-03-07 |
| 20130057193 | Synchronous Motor Drive System and Synchronous Motor - In sequentially selecting and driving two phases of the three-phase stator windings of a synchronous motor, detect a speed electromotive voltage of a de-energized phase, relate the speed electromotive voltage to rotor position information beforehand, then count rotor position information backward based on the detected the speed electromotive voltage to estimate rotor position; and then detect rotation speed from the change rate of the rotor position information so as to achieve highly accurate position and speed control. | 2013-03-07 |
| 20130057194 | MOTOR CONTROL DEVICE - There are provided a command speed calculation means ( | 2013-03-07 |
| 20130057195 | VARIABLE SPEED INDUCTION MOTOR WITH SINGLE EXTERNAL POWER SUPPLY AND CONTROL METHOD THEREOF - A single external power supply variable speed induction motor and a control method thereof are disclosed. An induction motor includes: a stator in which coils directly connected to a single-phase or 3-phase or more systematic power supply are wound; a rotor that is supported to be rotatable in the stator; a power conversion device that is attached to the rotor and controls a rotor current without connection of a separate external power supply; and a control circuit that is connected to the power conversion device and controls the power conversion device. | 2013-03-07 |
| 20130057196 | PHOTOVOLTAIC POWERED SYSTEM WITH ADAPTIVE POWER CONTROL AND METHOD OF OPERATING THE SAME - A photovoltaic powered system with an adaptive power control and a method of operating the same. A photovoltaic panel is provided to generate electric power to supply a load. The photovoltaic powered system includes a charging control unit, a rechargeable battery unit, a first switch unit, a second switch unit, a power condition unit, and a switch control unit. The switch control unit turns on the first switch unit and turns off the second switch unit when the photovoltaic panel can generate the electric power, thus supplying the load and charging the rechargeable battery unit, respectively. The switch control unit turns off the first switch unit and turns on the second switch unit when the photovoltaic panel cannot generate the electric power, thus providing energy stored in the rechargeable battery unit to supply the load. | 2013-03-07 |
| 20130057197 | ELECTRIC GENERATOR - The invention relates to a generator that consists of a thin casing having two main opposite walls, one of which is largely occupied by a photovoltaic cell panel ( | 2013-03-07 |
| 20130057198 | METHOD FOR BALANCING CELLS IN BATTERIES - Adjacent battery cells connected in devices are balanced by closing a first circuit to charge an energy storage device from a first battery cell and thereafter simultaneously opening the first isolated switch and closing a second isolated switch to cause the energy storage device to charge a second battery cell. A circuit includes an isolated switch that operates simultaneously to balance battery cells connected in series, and a battery system balances battery modules connected in series, the battery module including battery cells connected in series. The battery cells and modules can be balanced by hierarchical balancing of modules of the battery pack and component cells of the modules. | 2013-03-07 |
| 20130057199 | ELECTRICAL JUNCTION BOX MOUNTED ELECTRONIC DEVICE CHARGING STATION - The invention is a portable electronic computer charging and mounting device that holds and allows for the continual charging of a portable electronic device, such as a smart phone, tablet computer, and/or laptop computer. The mounting and charging device is connected or mounted directly to an electrical junction box. | 2013-03-07 |
| 20130057200 | BIDIRECTIONAL INVERTER-CHARGER - A bidirectional inverter-charger includes a first stage receiving or delivering energy from a line or to a load. The first stage including at least one inductor coupled with a split phase bridge. A link storage is connected between rails of a first bus and between the first stage and a second stage. The second stage includes a DC-to-DC converter connectable to a battery. The DC-to-DC converter includes a transformer providing galvanic isolation between a second bridge, connected between the rails of the first bus, and a third bridge connected between the rails of a second bus. In operation, the first stage provides power factor correction and a voltage boost while charging the battery and inverting when providing power to the line or the load. The second stage provides a controllable charge current to the battery and a voltage boost of a voltage of the battery to the link storage. | 2013-03-07 |
| 20130057201 | TO-BE-CHARGED APPARATUS, CHARGING ADAPTER, ELECTRONIC APPARATUS SET, AND PLUG UNIT - A to-be-charged apparatus, including: a built-in battery; a plug connectable to a jack included in a data storage apparatus capable of storing data and a jack included in a charging adapter; a drive unit that is capable of acquiring the data from the data storage apparatus while the plug is connected to the jack of the data storage apparatus and is driven by power supplied from the built-in battery; and a circuit that includes a data line for transmitting the data, which is connected between the plug and the drive unit, and supplies, when a connection of the plug to the jack of the charging adapter is detected by a detection switch included in the charging adapter connected to a power supply apparatus, a charge from the charging adapter to the built-in battery using the data line. | 2013-03-07 |
| 20130057202 | CHARGING APPARATUS USING PAD TYPE ELECTRODE CONTACT POINT - Disclosed herein is a charging apparatus using a pad type electrode contact point, the charging apparatus including: a charging plate having a plate shape; and an attaching plate installed on a portable terminal to provide the power to a charging circuit of the portable terminal. | 2013-03-07 |
| 20130057203 | ASSEMBLY FOR MOUNTING AN INDUCTIVE CHARGER BASE STATION TO A FURNITURE WORK SURFACE - An assembly for mounting an inductive charger base station to an opening in a furniture work surface. The assembly includes a housing for securing the charger base station therein for mounting the base station within the opening, The housing includes a cover and a shoulder which locates within the opening. The cover includes an outer flange which abuts against the work surface. The housing also includes a base connected to the cover. The base includes a first clamping member extending inwardly. The housing includes an interior volume where the charger base station where the base station is located. The assembly also includes a fastening portion with an inner flange abutting against an inner face of the work surface and a second clamping member extending from the inner flange. | 2013-03-07 |
| 20130057204 | SYSTEM AND METHOD FOR TRANSFERRING ELECTRIC ENERGY TO A VEHICLE - A system for transferring electric energy to a vehicle, in particular to a track bound vehicle such as a light rail vehicle, includes an electric conductor arrangement for producing an alternating electromagnetic field and for thereby transferring electromagnetic energy to the vehicle. The vehicle includes at least one receiver for receiving the electromagnetic energy and at least one signal transmitter adapted to repeatedly or continuously emit an enable signal towards the track. The vehicle also includes a transmitter control arrangement adapted to stop transmitting the enable signal if the receiver or if any device combined with the receiver is not to be operated. | 2013-03-07 |
| 20130057205 | APPARATUS FOR WIRELESS POWER TRANSMISSION USING MULTI ANTENNA AND METHOD FOR CONTROLLING THE SAME - A wireless power transmission apparatus includes at least one power transmission antenna for transmitting a wireless power signal in a magnetic resonance manner by using a resonant frequency having different bandwidths from each other; a wireless power signal generating module for generating the wireless power signal; at least one wireless power converting module for converting a power level of the wireless power signal generated by the wireless power signal generating module and having different power level conversion ranges corresponding to the bandwidth of the resonant frequency of the power transmission antenna; a multiplexer matching module for selectively connecting the wireless power converting module to a corresponding power transmission antenna; and a control unit for selectively connecting the power transmission antenna and the wireless power converting module according to a required power of a device to be charged to adjust the power level of the wireless power signal. | 2013-03-07 |
| 20130057206 | CONTACTLESS BATTERY CHARGER, ELECTRONIC DEVICE, BATTERY PACK, AND CONTACTLESS CHARGING SYSTEM - A contactless charging system is made up of an electronic device and a contactless charger | 2013-03-07 |
| 20130057207 | POWER FEEDING SYSTEM AND VEHICLE - A power feeding system is provided, in which a detected value of reflected power at a power supply device in a power feeding installation is sent from the power feeding installation to a vehicle via a first communication device, the vehicle has an impedance matching device for adjusting an impedance at a resonance system that is constituted of a power transmission resonator, including a primary self-resonant coil and a primary coil in the power feeding installation, and a power receiving resonator, including a secondary self-resonant coil and a secondary coil in the vehicle, and the impedance matching device is controlled based on the detected value of the reflected power at the power supply device, which has been received from the power feeding installation. | 2013-03-07 |
| 20130057208 | POWER RECEPTION EQUIPMENT FOR RESONANCE-TYPE NON-CONTACT POWER SUPPLY SYSTEM - Power reception equipment ( | 2013-03-07 |
| 20130057209 | Multiport Vehicle DC Charging System with Variable Power Distribution - A battery charging station is provided that includes a plurality of charge ports, a plurality of power stages where each power stage includes an AC to DC converter and where each power stage provides a portion of the charging station's maximum available charging power, a switching system that is used to couple the output of the power stages to the charging ports, a system monitor that determines current charging station and vehicle conditions, and a controller that controls operation of the switching system in accordance with a predefined set of power distribution rules and on the basis of the current charging station and vehicle conditions. Current charging station and vehicle conditions may include vehicle arrival time, usage fees, vehicle and/or customer priority information, battery pack SOC, and/or intended departure time. | 2013-03-07 |
| 20130057210 | Method of Operating a Multiport Vehicle Charging System - A method of distributing charging power among a plurality of charge ports of a battery charging station is provided, where the battery charging station includes a plurality of power stages where each power stage includes an AC to DC converter and provides a portion of the charging station's maximum available charging power, the method comprising the steps of (i) monitoring battery charging station conditions and operating conditions for each charging port; (ii) determining current battery charging station conditions, including current operating conditions for each charging port; (iii) determining power distribution for the battery charging station and the charging ports in response to the current battery charging conditions and in accordance with a predefined set of power distribution rules; and (iv) coupling the power stages to the charging ports in accordance with the power distribution. | 2013-03-07 |
| 20130057211 | CHARGING CONTROL SYSTEM AND CHARGING CONTROL METHOD - Charging control section | 2013-03-07 |
| 20130057212 | BATTERY CHARGING DEVICES AND SYSTEMS - A charger for a starting, lighting, and ignition (SLI) battery is provided. The charger includes a base unit having a pair of terminals that are adapted to engage a pair of conductive terminals coupled to a battery unit to electrically couple the base unit to the battery unit. The charger also includes charging circuitry having power conversion circuitry that is adapted to receive primary power and to convert the primary power to a battery power output compatible with a charging voltage of the battery unit. | 2013-03-07 |
| 20130057213 | BATTERY MONITORING AND CHARGING SYSTEM AND MOTOR-DRIVEN VEHICLE - A battery monitoring and charging system includes a charging equipment and a motor-driven vehicle. The motor-driven vehicle includes a battery, a charger that charges the battery by power supplied from the charging equipment, a charging control device that controls operations of the charger, a communication device that communicates with the charging equipment, a voltage detecting device that monitors voltage of the battery and an activation control device that generates a first control signal if the monitored voltage falls below a threshold value when the charging control device is in off state. When the activation control device generates the first control signal, the charging control device is activated, generating to the charging equipment through the communication device a second control signal that is indicative of a need that the charging equipment should supply power to the motor-driven vehicle and causing the charger to start operation of the charger. | 2013-03-07 |
| 20130057214 | CHARGING SYSTEM FOR AN ELECTRIC VEHICLE - An energy store charging system is provided for an electric vehicle for use typically in premises having a mains electrical supply. The system includes a load sensor arranged to determine the total concurrent electrical loads on the same mains electrical supply circuit and a charging circuit connected to said mains supply for delivering power to the energy store. A controller is arranged to limit the power drawn by the charging circuit in dependence upon a comparison between the total concurrent electrical load and a maximum threshold power supply deliverable via the incoming mains electrical supply line. | 2013-03-07 |
| 20130057215 | ATTACHABLE CHARGER - Disclosed is an attachable charger for a handheld electronic device comprising an attachable receptacle within which the device is snugly received, a power plug comprising prongs for insertion into an AC power socket, the power plug extending from the attachable receptacle, a power processing assembly for processing the power received at the AC socket into power suitable for charging the device, and a connector for connecting the processing assembly and the handheld device so as to convey the power from the processing assembly to the device. | 2013-03-07 |
| 20130057216 | Method and Apparatus for Supplying Power to a Portable Electronic Device in an Aircraft - Provided is an apparatus. The apparatus includes a power conditioning module. The power conditioning module includes an input that is operable to receive a first power from an aircraft. The power conditioning module includes electronic circuitry that is operable to transform the first power to a second power. The second power is different from the first power and is suitable for charging a portable electronic device. The power conditioning module includes a status indication mechanism that is operable to indicate a status of the power conditioning module. | 2013-03-07 |
| 20130057217 | BACKUP BATTERY CHARGER - A backup battery charger charges a backup battery of a handheld electronic device. The handheld electronic device comprises a power supply unit and an electronic component. The power supply unit supplies a power to the electronic component. The backup battery charger is connected to the electronic component, such that the backup battery charger shares with the electronic component the power, uses the power as a charging power, and controllably determines via a control module whether to supply the charging power to the backup battery. | 2013-03-07 |
| 20130057218 | DEVICE AND METHOD FOR CONTROLLING CHARGE OF ASSEMBLED BATTERY - An assembled-battery charge control device controls charge of an assembled battery including a plurality of secondary batteries connected in series. The assembled-battery charge control device includes a discharge circuit that includes a series circuit of a resistor and a switching element, the series circuit being connected in parallel with each battery of the assembled battery, and the discharge circuit allowing the battery corresponding to the switching element to discharge by turning on the switching element. The assembled-battery charge control device also includes voltage detection unit that detects a voltage at each battery of the assembled battery and a control unit that determines the battery that needs suppression of the charge based on the voltage at each battery detected by the voltage detection unit, and turns on the switching element corresponding to the battery. | 2013-03-07 |
| 20130057219 | POWER SUPPLY APPARATUS FOR VEHICLE AND VEHICLE PROVIDED WITH SAME - A power supply apparatus comprises a drive battery unit connecting a plurality of batteries in series, a voltage detection circuit, and an equalization circuit for equalizing the batteries of the drive battery unit by discharging the batteries. The equalization circuit has discharge circuits, each of which includes a discharge switch and a discharge resistor connected in series, and also as connects the discharge circuit to the battery via voltage detection lines. The voltage detection circuit has a correction circuit for detecting a correction voltage for a voltage drop in the voltage detection line by switching the discharge switch on with the discharge circuit connected to the battery. In the power supply apparatus, the voltage detection circuit detects the voltage of the battery by correcting the detected voltage of the battery being detected using the correction voltage detected by the correction circuit with the discharge switch in an ON state. | 2013-03-07 |
| 20130057220 | Profile Responsive Electrode Ensemble - An electrochemical energy storage system including at least a first type of electrochemical cell and a second type of electrochemical cell. The first type of electrochemical cell and the second type of electrochemical cell have different geometries. Also methods of making and using the electrochemical energy storage system. | 2013-03-07 |
| 20130057221 | SEMICONDUCTOR INTEGRATED CIRCUIT, PROTECTION CIRCUIT AND BATTERY PACK - A semiconductor integrated circuit that protects a secondary battery by controlling an on/off status of a discharge control switch and a charge control switch includes an over discharge detection part configured to detect an over discharge condition based on a battery voltage of the secondary battery, a load removal detection part to detect whether a load connected to the secondary battery is removed based on a voltage of a load removal detection terminal connected to a negative electrode side of at least one of the load connected to the secondary battery and a battery charger through a resistor, an over discharge return part to return to a normal condition from the over discharge condition, and a control part to output a control signal for returning the over discharge condition to the normal condition to the over discharge return part upon detecting the load being removed in the over discharge condition. | 2013-03-07 |
| 20130057222 | HYBRID BATTERY AND ITS CHARGING/DISCHARGING METHOD - A hybrid battery and its charging/discharging method automatically charges/discharges batteries having different capacities. The hybrid battery includes a plurality of rechargeable batteries; switching elements which are electrically connected to the plurality of rechargeable batteries having high current paths for electrically connecting to one of the high current paths; and a hybrid battery protection circuit electrically connected to the plurality of rechargeable batteries and driven by power supplied by one of the plurality of rechargeable batteries, the hybrid battery protection circuit charging/discharging the plurality of rechargeable batteries in sequence by transmitting an on/off signal to the switching element. | 2013-03-07 |
| 20130057223 | BATTERY MANAGEMENT SYSTEM AND BATTERY MANAGEMENT METHOD - A battery management system (BMS) for managing discharging of a plurality of battery cells is disclosed. The battery management system comprises a battery monitoring unit, for monitoring statuses of the plurality of battery cells; and a discharge control unit, for controlling the plurality of battery cells to output a plurality of output powers to a load according to the statuses of the plurality of battery cells. | 2013-03-07 |
| 20130057224 | CONTROL SYSTEM OF BATTERY PACK AND METHOD OF CHARGING AND DISCHARGING USING THE SAME - A control system of a battery pack and a method of charging and discharging the battery pack using the method are disclosed. The control system includes a plurality of battery cells, a balancing unit that selectively balances the battery cells, and a controller that controls a balancing operation. The controller calculates an amount of charge current accumulation and measures voltages of the respective battery cells, and controls a balancing operation of at least one of the battery cells if the calculated amount of charge current accumulation is in a range of a reference capacity values. | 2013-03-07 |
| 20130057225 | METHOD AND SYSTEM FOR SOLAR PANEL PEAK-POWER TRANSFER USING INPUT VOLTAGE REGULATION - An apparatus and method for charging a battery includes a battery to be charged, a power delivery path configured for delivering power to the battery, and an integrated switching battery charger configured for charging a battery by delivering output power to the battery via the power delivery path based on input power from an input power source. The integrated switching battery charger includes an output voltage regulation loop and an input voltage regulation loop, both of which are configured to control the output current flowing out of the integrated switching battery charger to the battery. The input or output voltage regulation loops are further enhanced by adding a current source which is proportional to absolute temperature from the regulated voltage to the control voltage for the purpose of either regulating peak power from the source or to maximize energy storage in the battery as a function of temperature. | 2013-03-07 |
| 20130057226 | VEHICLE GENERATOR CONTROL SYSTEM AND METHOD FOR SAVING FUEL - A vehicle generating system for saving fuel includes a battery supplying power to electric loads in a vehicle, an electric generator supplying power to the battery and the electric loads, a speed calculation module that calculates operation speed of a wiper in the electric loads, and an ECU including an electric generation control prevention module controlling the electric generator to perform electric generation control prevention when the operation speed calculated by the speed calculation module is compared with a predetermined reference speed and the calculated operation speed is equal to or more than the reference speed, and controlling the electric generator to remove the electric generation control prevention when the operation speed is less than the reference speed. | 2013-03-07 |
| 20130057227 | METHOD AND APPARATUS FOR CONTROLLING A CONVERTER - An apparatus and method of controlling an electrical generating apparatus is provided. The apparatus includes an electrical generator configured to be connected to an electrical grid and a converter comprising an inverter connected to a rotor of the electrical generator. The apparatus also includes a shunt protection circuit connected to the inverter and the rotor of the electrical generator and a control unit configured to activate and deactivate the inverter and the shunt protection circuit. The control unit is configured to, in response to determining that an abnormal condition is occurring in the electrical generator or an electrical grid to which the electrical generator is connected, deactivate the inverter and activate the shunt protection circuit. Also, after it is determined that the abnormal condition has passed, the control unit is configured to activate the inverter before deactivating the shunt protection circuit. | 2013-03-07 |
| 20130057228 | METHOD FOR MONITORING THE FUNCTION OF A ROTATING ELECTRIC MACHINE AND MONITORING SYSTEM FOR CARRYING OUT SAID METHOD - A method is provided for monitoring the function of a rotating electric machine, operating between 20 and 500 MVA, which includes a rotor, surrounded concentrically by a stator, the rotor and the stator having rotor and stator lamination elements made from sheets layered and pressed in the axial direction to form a composite and pressed by electrically insulated tension bolts passing through the rotor and stator lamination elements in the axial direction and insulated with respect to the lamination elements. Simple and reliable monitoring of the insulation of the tension bolts is achieved since the tension bolt insulation is electrically measured continuously during operation of the machine, the tension bolts each being set to a predetermined potential with respect to the associated lamination element by a voltage source, and the current flow through the voltage source and/or through the respective tension bolt being measured and evaluated. | 2013-03-07 |
| 20130057229 | POWER FACTOR CORRECTION APPARATUS AND METHOD - The various embodiments may include a power supply having a first loop in communication with a power stage of the power supply. A second loop in communication with the first loop may generate a negative reactance value that increases a power factor for the power supply to approximately one. A power supply may also include a rectifier coupleable to an input supply. A power factor compensation circuit coupled to the rectifier may generate a negative reactance. The negative reactance may reduce a phase angle between a current and a voltage provided to the input supply. A method may include sensing an output of a power supply, and adjusting the sensed value. The adjusted value may be compared to a reference value to generate an error value. The error value and a negative reactance value may be combined and the result may be provided to the power supply. | 2013-03-07 |
| 20130057230 | POWER FACTOR CORRECTION CONTROL DEVICE AND ZERO-CURRENT DETECTION METHOD FOR POWER FACTOR CORRECTION CONTROL DEVICE - The present invention discloses an impedance matching apparatus. The impedance matching apparatus includes: a multilayer printed circuit board; a signal line including a plurality of signal layers with the same pitch and formed by sequentially arranging the plurality of signal layers on the multilayer printed circuit board; and a ground plane including a plurality of ground layers, wherein the plurality of ground layers are arranged to get closer to a bottom surface of the multilayer printed circuit board from a region corresponding to one side of the signal line to a region corresponding to the other side of the signal line. The impedance matching apparatus can implement a line width without any problem of a process yield by determining specific impedance by a distance between the signal layer and the ground layer formed in corresponding positions, thereby improving the process yield. | 2013-03-07 |
| 20130057231 | ELECTRIC DEVICE HAVING AN INTERFERENCE SUPPRESSION CAPACITOR CIRCUIT - The invention describes an electrical device having at least one interference suppression capacitor ( | 2013-03-07 |
| 20130057232 | METHOD FOR REDUCING CURRENT THROUGH A LOAD AND AN ELECTRICAL DEVICE - A method for reducing current flowing through a load within a particular frequency band includes the steps of configuring an electrical device to receive an alternating current (AC) signal; and configuring a filter to determine the current flowing through a load according to a frequency of the AC signal. An impedance of the filter in a conducting frequency band is lower than an impedance of the filter in a non-conducting frequency band so the filter divides the current of the AC signal within the conducting frequency band so that the load current through the load is reduced. | 2013-03-07 |
| 20130057233 | POWER MANAGEMENT SYSTEM APPLIED TO A SATELLITE DOWN CONVERTER AND METHOD THEREOF - A power management system applied to a satellite down converter includes a direct current voltage/direct current voltage converter and a detector. The direct current voltage/direct current voltage converter is used for receiving a signal of at least one set-top box. The detector is used for receiving the signal of the at least one set-top box, and generating a control signal to the direct current voltage/direct current voltage converter and a low noise main circuit according to the signal of the at least one set-top box. The low noise main circuit turns off circuits not in use within the low noise main circuit temporarily according to the control signal, and the direct current voltage/direct current voltage converter adjusts a current and/or a voltage generated by the direct current voltage/direct current voltage converter according to the control signal and/or the circuits temporarily not in use within the low noise main circuit. | 2013-03-07 |
| 20130057234 | CONTROL METHODS AND POWER CONTROLLERS WITH LOAD COMPENSATION ADAPTED FOR A POWER SUPPLY - Disclosure includes control methods and power controllers with load compensation adapted for a power supply powering a load. A disclosed power controller comprises a converter and a control circuit. The converter converts the load signal at a first node to output a load-compensation signal at a second node. The load signal corresponds to an output power provided from the power supply to the load, and the converter includes a low-pass filter coupled between the first and second nodes. The control circuit is coupled to an inductive device via a feedback node, for controlling the output power to make a cross voltage of the inductive device approach a target voltage, based on a feedback voltage at the feedback node. The higher the load-compensation signal the higher the target voltage. | 2013-03-07 |
| 20130057235 | AC ELECTRICAL POWER REGULATORY SYSTEM - A system is provided for regulating AC electrical power delivered from a source to a load. The system has a voltage regulating device which, in use, is connected at an input side thereof to the source and at an output side thereof to the load. The voltage regulating device is controllable to vary the ratio of voltage amplitudes at the input side and the output side. | 2013-03-07 |
| 20130057236 | LOW VOLTAGE RIDE-THROUGH CONTROL METHOD FOR GRID-CONNECTED CONVERTER OF DISTRIBUTED ENERGY RESOURCES - An LVRT control method for a grid-connected converter of distributed energy resources comprises steps of: obtain a positive sequence electrical component and a negative sequence electrical component during an LVRT period; outputting a compensation signal according to a power threshold withstood by a grid-connected converter to undertake reactive power compensation; and constraining the output power lower than the power threshold. The present invention uses the positive and negative sequence electrical components to undertake reactive power compensation, whereby to improve balance and stability of voltage during the LVRT period, avoid reverse torque and mechanical resonance, and prolong the service life of the power generator. Moreover, the present invention constrains the sum of the compensation currents below the power threshold to prevent the circuit of the power generator from being overloaded and damaged, whereby is prolonged the service life of the power system. | 2013-03-07 |
| 20130057237 | MULTI-PHASE SWITCHING REGULATOR AND DROOP CIRCUIT THEREFOR - The present invention discloses a multi-phase switching regulator and a droop circuit therefor. The droop circuit includes: multiple first resistors, which are coupled to corresponding phase nodes respectively to sense current through the phase nodes; a second resistor, which is coupled to the multiple first resistors; an error amplifier circuit, which has an inverting input end and a non-inverting input end, wherein the inverting input end is coupled to the second resistor and an output end of the error amplifier circuit, and the non-inverting input end is coupled to an output node; and a droop capacitor, which is coupled between the second resistor and the output node; wherein the droop circuit provides the droop signal according to a voltage drop across the second resistor or current through the second resistor. | 2013-03-07 |
| 20130057238 | AMPLIFICATION SYSTEMS AND METHODS WITH NOISE REDUCTIONS - System and method for amplifying an input signal to generate an output signal. The system includes a current generator, an oscillator, and a comparator. The current generator is configured to receive a first voltage signal, and generate a first current signal based on at least information associated with the first voltage signal and the first reference signal. The oscillator is configured to receive at least the first current signal and a second reference signal, and to generate a second voltage signal based on at least information associated with the first current signal and the second reference signal, the second voltage signal being associated with a modulation frequency. Additionally, the comparator is configured to receive the second voltage signal and a third voltage signal, and to generate a modulation signal related to the modulation frequency based on at least information associated with the second voltage signal and the third voltage signal. | 2013-03-07 |
| 20130057239 | Multi-Phase Power Block For a Switching Regulator for use with a Single-Phase PWM Controller - A multi-phase power block for a switching regulator includes a phase control circuit, N power cells and a current sharing control circuit. The phase control circuit is configured to receive a single phase PWM clock signal and generate N clock signals in N phases. Each of the N power cells includes a pair of power switches, gate drivers, a control circuit receiving one of the N clock signals and generating gate drive signals for the gate drivers, and an inductor. The current sharing control circuit is configured to assess the inductor current at the inductor of the N power cells and to generate duty cycle control signals for the N power cells. The duty cycle control signals are applied to the control circuits to adjust the duty cycle of one or more clock signals supplied to the power cells to balance a current loading among the N power cells. | 2013-03-07 |
| 20130057240 | SWITCHING VOLTAGE REGULATOR - A switching voltage regulator includes a comparison module configured to receive a reference voltage and a feedback voltage and to generate a comparison signal based on a difference between the reference voltage and the feedback voltage, and a control module configured to generate a gain control threshold signal based on at least one of the reference voltage and the feedback voltage. The control module may be configured to control a duration of a PWM pulse based on the at least one of the reference voltage and the feedback voltage. The feedback voltage may a regulated output voltage of the switching voltage regulator. The switching voltage regulator may be implemented in an analog or a digital manner. | 2013-03-07 |
| 20130057241 | POWER SWITCHING APPARATUS AND METHOD FOR IMPROVING CURRENT SENSE ACCURACY - A power switching apparatus having a mechanism for improving current sense accuracy is provided. The power switching apparatus includes an output arranged to provide a sense current depending on a load current, a power switching device, a sense device, and a difference amplification device. The difference amplification device includes a first and a second amplifier input, at least one amplifier output connected to a current sense feedback loop arranged to reduce a difference of potentials between the first and the second amplifier input. A terminal of the power switching device and a terminal of the sense device are connected to an input and another terminal of the power switching device and a second terminal of the sense device are coupled to a first cross-coupling switching module. | 2013-03-07 |
| 20130057242 | CONSTANT-ON-TIME MULTI-PHASE SWITCHING VOLTAGE REGULATOR AND RELATED METHOD OF GENERATING A REGULATED VOLTAGE - A switching voltage regulator including a comparison module configured to receive a reference voltage and a feedback voltage and to generate a comparison signal corresponding to a difference between the reference voltage and the feedback voltage, an offset module configured to generate an offset signal based on a number of active phases of the voltage regulator, an adder configured to generate a control signal based on the comparison signal and the offset signal, a plurality of pulse-width-modulated (PWM) power stages, and a control module configured to control the plurality of PWM power stages based at least in part on the control signal generated by the adder. | 2013-03-07 |
| 20130057243 | POWER CONTROLLER AND CONTROL METHOD FOR GENERATING ADAPTIVE DEAD-TIMES - A power controller has a high-side driver, a low-side driver, a voltage divider, and a comparator. The high-side driver drives a high-side power switch, powered by a boost power line and a connection node. The low-side driver drives a low-side power switch, powered by an operation power line and a ground power line. The voltage divider has a first resistor having a first node for providing a detection voltage and a second node coupled to the boost power line or the connection node. The voltage divider has a second resistor coupled between the first node of the first resistor and the ground power line. When the low-side power switch is turned off, the comparator compares the detection voltage with a reference voltage. When the detection voltage is higher than the reference voltage, the comparator renders to turn on the high-side power switch. | 2013-03-07 |
| 20130057244 | DUTY RATIO/VOLTAGE CONVERSION CIRCUIT - A duty ratio/voltage conversion circuit that converts the duty ratio of an input signal into voltage level and outputs the voltage level includes: an input terminal to which the input signal is input; a first CR integrating circuit that integrates the input signal; a load resistor a first end of which is connected to an output point of the first CR integrating circuit, and a second end of which is grounded; and an output terminal connected to the load resistor. The first CR integrating circuit includes a first pathway that has a first resistor, and a second pathway in which a phase inversion portion, a second resistor and a first capacitor are connected in series, and is a parallel circuit in which first and second ends of the first pathway are connected to first and second ends, respectively, of the second pathway. | 2013-03-07 |
| 20130057245 | Current Regulator - A current regulator has a current regulating semiconductor device and a microcontroller which outputs a PWM pulse for driving a load to the current regulating semiconductor device and receives outputs of a high-side current detection circuit and a low-side current detection circuit from the current regulating semiconductor device. An output mixer of the current regulating semiconductor device switches, in synchronization with the PWM pulse, between the output of the high-side current detection circuit and the output of the low-side current detection circuit on one signal line to output the output to the microcontroller. | 2013-03-07 |
| 20130057246 | REFERENCE SIGNAL GENERATING CIRCUIT - According to one embodiment, a reference signal generating circuit includes a first nonlinear element that generates a first reference voltage, a second nonlinear element that generates a second reference voltage, a current controlling circuit that controls a current flowing to the first nonlinear element and a current flowing to the second nonlinear element based on an output voltage of the current controlling circuit itself, and N temperature characteristic adjusting elements (N is an integer of 2 or larger) that individually adjust the temperature characteristics of the output voltage of the current controlling circuit. | 2013-03-07 |
| 20130057247 | WALL BOX DEVICE FOR MANAGING ENERGY - An electronic device for managing energy is described. The electronic device includes a voltage sensor module that monitors a voltage waveform. The voltage sensor module includes discrete components. The electronic device includes a current sensor module that monitors a current waveform. The current sensor module includes discrete components. The electronic device is coupled to the voltage sensor module and to the current sensor module. The computing module determines a phase margin based on the voltage waveform and the current waveform. The electronic device includes a control module coupled to the computing module. The control module controls a load based on the voltage waveform, current waveform and phase margin. The control module includes discrete components. The voltage sensor module, the current sensor module, the computing module and the control module are housed within a wall box. | 2013-03-07 |
| 20130057248 | ON-LOAD TAP CHANGER - The invention relates to an on-load tap changer for step transformers, which has one main current branch and one auxiliary current branch for each of the two winding taps to be switched. In each main current branch and auxiliary current branch, switching is accomplished by means of a vacuum switching tube. According to the invention, an additional mechanical contact is provided in each of the main current branches and in each of the auxiliary current branches between the respective winding tap to which said branch is electrically connected and the respective vacuum switching tube in said branch. Said mechanical contacts are switched in such a way that the vacuum switching tubes in the main current branch and the auxiliary current branch of the unconnected winding tap can be galvanically isolated from the unconnected winding tap. | 2013-03-07 |
| 20130057249 | Method and Device for Detecting a Conductive Object - A method for detecting an electrically and/or magnetically conductive object in a vicinity of a sensor head of a device, having the following steps:
| 2013-03-07 |
| 20130057250 | APPARATUS AND METHOD FOR MEASURING ION BEAM CURRENT - Techniques for measuring ion beam current, especially for measuring low energy ion beam current, are disclosed. The technique may be realized as an ion beam current measurement apparatus having at least a planar Faraday cup and a voltage assembly. The planar Faraday cup is located close to an inner surface of a chamber wall, and intersects an ion beam path. The voltage assembly is located outside a chamber having the chamber wall. Therefore, by properly adjusting the electric voltage applied on the planar Faraday cup by the voltage assembly, some undesired charged particles may be adequately suppressed. Further, the planar Faraday cup may surround an opening of an additional Faraday cup being any conventional Faraday cup. Therefore, the whole ion beam may be received and measured well by the larger cross-section area of the planar Faraday cup on the ion beam path. | 2013-03-07 |
| 20130057251 | REFERENCE POTENTIAL ADJUSTMENT DEVICE AND A MEASURING DEVICE EQUIPPED WITH THE SAME - A reference potential adjusting apparatus is provided. The reference potential adjusting apparatus includes a reference potential measuring unit configured to measure a potential of a solution, a counter electrode disposed in the solution, and configured to change the potential of the solution through oxidation-reduction reactions with the solution, and a comparator configured to compare a measurement voltage provided by the reference voltage measuring unit to a reference voltage provided by a reference voltage supply unit, and to adjust reactions of the counter electrode with the solution according to the result of the comparison. The reference potential measuring unit includes a reference electrode, a common electrode disposed to be spaced apart from the reference electrode, and at least one nano structure contacting the reference electrode and the common electrode, and having electrical conductivity changing according to the potential of the solution. | 2013-03-07 |
| 20130057252 | APPARATUS AND METHOD FOR DETERMINING DIELECTRIC ACCESS IN PORTABLE TERMINAL - An apparatus and method determine a dielectric access in a portable terminal. The method includes generating a TX signal of a specific frequency band by performing frequency conversion, modulation, and digital/analog conversion. The method also includes detecting the power of the TX signal and converting the detected power using Analog-to-Digital Conversion (ADC). The method further includes loading an ADC table defining values for determining the approach/withdrawal of a dielectric to/from the portable terminal, and comparing the power of the TX signal and the ADC table to determine the approach/withdrawal of a dielectric to/from the portable terminal. | 2013-03-07 |
| 20130057253 | SYSTEMS AND METHODS FOR ULTRASONIC POWER MEASUREMENT AND CONTROL OF PHACOEMULSIFICATION SYSTEMS - In one embodiment, a method for determining the voltage current phase relationship of a piezoelectric phacoemulsification handpiece generally includes the steps of obtaining an analog AC voltage signal corresponding to the operating AC voltage of a piezoelectric handpiece along with an analog AC current signal corresponding to the operating AC current of the piezoelectric handpiece. Using reference detection circuits, a digital voltage signal and a digital current signal is produced. A synchronous sample clock is taken that has a frequency that is 2 | 2013-03-07 |
| 20130057254 | CURRENT MEASUREMENT CIRCUIT FOR INDUCTOR - A current measurement circuit to measure current flowing through an inductor includes two metal oxide semiconductor field effect transistors, a resistor, a negative temperature coefficient thermistor, two capacitors, and a pulse width modulator. | 2013-03-07 |
| 20130057255 | INTEGRATED DEVICE SUSPENDED AT HIGH VOLTAGE POTENTIAL FOR POWER ENERGY METERING AND PROTECTION OF DISTRIBUTION NETWORK - An integrated device suspended at a high voltage potential for the metering and protection of a distribution network comprises a measurement current transformer (CT), a protective CT and a voltage sensor. The voltage signal is output from the voltage sensor to an electric energy metering module and first and second electric signal acquiring modules. The current signal acquired by the measurement CT is output to the electric energy metering module. The current signal acquired by the protective CT is output to the first and second electric signal acquiring modules. The electric energy metering module processes the current and voltage signals and sends the processed data to a comprehensive control module. The first and second electric signal acquiring modules send the voltage and current data to the comprehensive control module. The comprehensive control module comprehensively calculates the received data and sends the result to a low voltage terminal. | 2013-03-07 |
| 20130057256 | METHOD FOR DETERMINING AN EXCITER CONDUCTOR SPACING FROM A MAGNETIC FIELD SENSOR, METHOD FOR CALIBRATING THE MAGNETIC FIELD SENSOR AS WELL AS CALIBRATABLE MAGNETIC FIELD SENSOR AND USAGE OF AN EXCITER CONDUCTOR STRUCTURE FOR DETERMINING AN EXCITER CONDUCTOR SPACING - In determining an exciter conductor spacing of an exciter conductor of an exciter conductor structure from a sensor element of a calibratable magnetic field sensor, first and second electric currents are impressed into the first and second exciter conductors of the exciter conductor structure to generate first and second magnetic field components in the sensor element of the magnetic field sensor, and a quantity is determined depending on the first and second magnetic field components by means of the sensor element. Further, the exciter conductor spacing of the exciter conductor from the sensor element of the magnetic field sensor is established in dependence on an exciter conductor intermediate spacing between the first exciter conductor and the spaced-apart second exciter conductor and the quantities depending on the first and second magnetic field components. | 2013-03-07 |
| 20130057257 | MAGNETIC FIELD SENSING ELEMENT COMBINING A CIRCULAR VERTICAL HALL MAGNETIC FIELD SENSING ELEMENT WITH A PLANAR HALL ELEMENT - A magnetic field sensor includes a circular vertical Hall (CVH) sensing element and at least one planar Hall element. The CVH sensing element has contacts arranged over a common implant region in a substrate. In some embodiments, the at least one planar Hall element is formed as a circular planar Hall (CPH) sensing element also having contacts disposed over the common implant region. A CPH sensing element and a method of fabricating the CPH sensing element are separately described. | 2013-03-07 |
| 20130057258 | POSITION SENSOR USING A MOVEABLE FERROMAGNETIC ELEMENT - The invention relates to a contactless magnetic sensor for detecting a linear or angular position, comprising a moveable ferromagnetic element ( | 2013-03-07 |
| 20130057259 | POSITION/DISPLACEMENT MEASURING SYSTEM - The invention relates to a position/displacement measuring system comprising at least one encoded scale body having at least one encoding track extending in a measuring direction and a sensor device having at least one sensor head sensitive to the encoding, wherein the at least one sensor head comprises at least a first sensor unit and a second sensor unit which provide respective sensor signals and are spaced apart from one another in the measuring direction. | 2013-03-07 |
| 20130057260 | METHOD AND APPARATUS FOR MEASURING A LOCATION OF A TERMINAL USING MAGNETIC FIELD - Provided are a method and apparatus for measuring a location of a terminal using a magnetic field. For example, the apparatus may measure a location of a terminal using a magnetic field obtained by a magnetic field sensor and one or more sensor values obtained by a plurality of other sensors. | 2013-03-07 |
| 20130057261 | ROTATION DETECTOR AND METHOD OF PRODUCING A ROTOR IN THE ROTATION DETECTOR | 2013-03-07 |
| 20130057262 | Accelerator position sensor - An accelerator position sensor (APS) includes a transmitting coil generating a magnetic field, a coupler controlling the magnetic field generated from the transmitting coil, a receiving coil receiving the magnetic field generated from the transmitting coil to generate a predetermined frequency, and a signal processor calculating rotation information of the coupler using the frequency received from the receiving coil and outputting displacement values of an accelerator pedal. With the APS, a guarantee signal can be generated only through the receiving coil and precise measuring values can be achieved. | 2013-03-07 |
| 20130057263 | SYSTEM AND METHOD FOR POSITION SENSING - A system for position sensing includes an incremental track including a plurality of sectors and a measurement subsystem. The measurement subsystem includes at least two differential read-heads each having at least one primary coil and at least two differential secondary coils, the at least two differential secondary coils of one of the at least two differential read-heads configured to generate output signals having their amplitudes modulated by the sectors of the incremental track and the at least two differential secondary coils of the other of said two differential read-heads configured to generate output signals having their amplitudes modulated by the sectors of the incremental track. | 2013-03-07 |
| 20130057264 | DEVICE FOR MEASURING THE SPEED OF DISPLACEMENT OF AN OBJECT DEFORMING THE LINES OF THE TERRESTRIAL MAGNETIC FIELD - An apparatus for measuring speed of movement of an object deforming lines of Earth's magnetic field includes a first and second magnetometer disposed on either side of a traffic roadway for the object and substantially perpendicular to the object. The magnetometers are configured for measuring deformation of Earth's magnetic field by the object travelling over the roadway. The apparatus also includes a processing unit configured for extracting, from each of the magnetometers, a measurement value corresponding to a quotient defined by a distance of the object with respect to the magnetometer divided by a speed of movement of the object, and for calculating a speed of the object from the measurement values and a geometrical disposition of the magnetometers with respect to one another and with respect to the traffic roadway. | 2013-03-07 |
| 20130057265 | STRESSED MAGNETORESISTIVE TAMPER DETECTION DEVICES - A tamper sensing system mounted with respect to a protected structure so as to have corresponding stress changes occur therein in response to selected kinds of tamperings with said protected structure comprising a first pair of stress affected magnetoresistive memory devices each capable of having a magnetic material layer therein established in a selected one of a pair of alternative magnetization states if in a first kind of stress condition and of being established in a single magnetization state if in an alternative second kind of stress condition, and the magnetic material layer in each having a magnetization in a first direction in one of the pair of alternative magnetization states and in a second direction in that remaining one of the pair of magnetization states. A first magnetizing electrical conductor extends adjacent to each of the first pair of stress affected magnetoresistive memory devices to establish said magnetic material layer in that one of said pair of alternative magnetization states thereof so as to have its said corresponding magnetization be oppositely directed with respect to said magnetization of that other. The first pair of stress affected magnetoresistive memory devices can each be provided by a spin dependent tunneling device having differing numbers of magnetization states available thereto depending on whether being in differing ones of alternative stress conditions | 2013-03-07 |
| 20130057266 | MAGNETIC BALANCE TYPE CURRENT SENSOR - A magnetic balance type current sensor includes a magnetic balance type current sensor including a magnetoresistance effect element whose characteristic changes owing to an induction magnetic field from a current to be measured flowing through a conductor, a feedback coil configured to be disposed in the vicinity of the magnetoresistance effect element and generate a cancelling magnetic field cancelling out the induction magnetic field, a magnetic shield configured to attenuate the induction magnetic field and enhance the cancelling magnetic field, and a hard bias layer configured to be provided on or above the magnetic shield. | 2013-03-07 |
| 20130057267 | CURRENT SENSOR - A current sensor includes a printed circuit and current lines. The printed circuit comprises a stack, along a vertical direction, of metallization layers mechanically separated by electrically insulating layers, and a measurement or excitation coil wound around a vertical winding axis. The coil is formed by conductive tracks made in at least one metallization layer. One or more current lines are positioned in a plane parallel to the layers and are configured to be supplied with currents to be measured. The coil comprises turns formed by conductive tracks, made in respective metallization layers, electrically connected to one another by pads passing through at least one of the electrically insulating layers, to form a coil that extends along the vertical winding axis. | 2013-03-07 |
| 20130057268 | Method and Apparatus for Measuring Container Bulge - An extensible frame adapted to receive and maintain a rectilinear container applied upon an interior ledge extensible frame. Two or more orthogonally aligned sensor assemblies are provided to measure deflection of panels forming the container when a static or dynamic load is applied upon an uppermost panel. Each sensor assembly outputs a signal corresponding to a deflection of a panel induced by the load applied upon the uppermost panel. Signals output from the sensor assemblies are received and processed by an output processing unit in either a human cognizable or machine readable format. The amount deflection measured by the sensor assemblies corresponds to an amount of bulge of a panel when a defined load is applied. | 2013-03-07 |
| 20130057269 | LEAKAGE FLUX PROBE FOR NON-DESTRUCTIVE LEAKAGE FLUX-TESTING OF BODIES CONSISTING OF MAGNETISABLE MATERIAL - A leakage flux probe for non-destructive leakage flux-testing of magnetisable bodies comprising a plurality of coils for detection of near-surface flaws in the body, wherein the coils have a degree of sensitivity which is dependent upon the orientation of the flaws in the body, and wherein coils having a different degree of sensitivity are disposed in the leakage flux probe with a first type of coil having a high degree of sensitivity for longitudinal flaws or transverse flaws and a second type of coil having a high degree of sensitivity for oblique flaws. | 2013-03-07 |
| 20130057270 | GENERATOR OF A HOMOGENOUS MAGNETIC FIELD - A generator having at least four coils wound around each of the winding axes, these four coils being spaced out from one another to cancel at least the first derivative up to the seventh derivative of the magnetic field generated by these coils, in parallel to the winding axis, at a central point when they are powered by the same current, and the circumference of each coil is a circle, the diameter of this circle being equal within 2% of the diameter of a circle defined by the intersection between a sphere centered on the central point and a plane, perpendicular to the winding axis of this coil, passing through this coil, the sphere being the same for all the coils wound around the same winding axis. | 2013-03-07 |
| 20130057271 | MAGNETOSTATIC MEASUREMENT METHOD AND SENSOR FOR ASSESSING LOCAL HYSTERESIS PROPERTIES IN FERROMAGNETIC MATERIALS - Method and sensor for obtaining comparative measurements of hysteresis loss in a ferromagnetic sample. A permanent magnet, polarized normal to the sample surface, is positioned on one side of the surface and is movable along a line of travel between motion limits. A field sensor is mounted in fixed spatial relation on the opposite side of the sample surface at the center of the line of travel. The magnet is moved in forward and reverse directions between the motion limits. The longitudinal magnetic field intensity and the coincidental magnet to field sensor longitudinal distance are sensed at a plurality of distances along the forward and reverse line of travel. For each distance, the difference, D(x), between forward and reverse magnetic fields is calculated and plotted against distance for determining the comparative hysteresis of the sample. | 2013-03-07 |
| 20130057272 | CURRENT SENSOR ARRANGEMENT - Current sensor comprising a primary conductor for conducting a current that is to be measured, at least two magnetic field probes for measuring magnetic fields, and a magnetic core, which has a closed ring structure that encloses the primary conductor and at least two recesses that in each case receive one of the magnetic field probes. | 2013-03-07 |
| 20130057273 | CURRENT SENSOR - A current sensor includes a magnetoresistive element and magnetic shields arranged between a current line and the magnetoresistive element. The magnetic shields include a flat first magnetic shield placed so as to attenuate the strength of an induction magnetic field applied to the magnetoresistive element and a flat second magnetic shield placed apart from the first magnetic shield in a direction in-plane with the main surface of the first magnetic shield so as to attenuate the strength of the induction magnetic field applied to the magnetoresistive element and reduce the influence of residual magnetization in the first magnetic shield. | 2013-03-07 |
| 20130057274 | CURRENT SENSOR - A current sensor includes a magnetoresistance effect element in which a plurality of magnetic detecting portions and a plurality of permanent magnet portions are alternately arranged so as to be in contact with each other. Each magnetic detecting portion is configured to include a ferromagnetic fixed layer whose magnetization direction is substantially fixed and a free magnetic layer whose magnetization direction changes with respect to an external magnetic field. Each permanent magnet portion is configured to include a hard bias layer applying a bias magnetic field to the free magnetic layer. An interval between the adjacent permanent magnet portions is 20 μm to 100 μm. | 2013-03-07 |
| 20130057275 | CURRENT SENSOR - A current sensor includes a magnetic balance sensor including a feedback coil that is disposed in the vicinity of a magnetic sensor element whose characteristics are changed by an inducted magnetic field from a current to be measured and generates a cancellation magnetic field for offsetting the inducted magnetic field, a shunt resistant that is connected in series with a current line for circulating the current to be measured, and a switch circuit that switches to magnetic balance detection at the time of a small current and switches to shunt resistance detection at the time of a large current. | 2013-03-07 |
| 20130057276 | PRINTED CIRCUIT BOARD COMPRISING TWO COILS - A printed circuit in which, in going from one end to another, a same conductive line is wound successively: around the first winding axis to form at least one half-turn of a first coil, then around the second winding axis to form at least one half-turn of a second coil, then around the first winding axis to form at least one half-turn of a first coil, then around the second winding axis to form at least one half-turn of a second coil. | 2013-03-07 |
| 20130057277 | Method for Determining Rock Formation Fluid Interaction Properties Using Nuclear Magnetic Resonance Well Logging Measurements - A method for determining surface relaxivity of a rock formation in a wellbore includes using measurements of nuclear magnetic resonance properties of the rock formation made from within a wellbore penetrating the rock formations includes determining nuclear magnetic relaxation properties from the measurements of the nuclear magnetic resonance properties. A diffusion property of the rock formation is determined from the measurements of the nuclear magnetic resonance properties. The surface relaxivity of the rock formation is determined from the relaxation properties and the diffusion property. The surface relaxivity and other nuclear magnetic resonance properties are used to infer wettability and/or fluid saturation of the rock formations. | 2013-03-07 |
| 20130057278 | LOCAL COIL WITH OPTIMIZED DATA TRANSMISSION - A local coil for magnetic resonance applications receives analog magnetic resonance signals excited by an excitation signal in an examination object using a plurality of receive antennas. The local coil digitizes the received analog magnetic resonance signals and stores the digitized magnetic resonance signals in digital form in a write-in sequence in an internal local coil memory. The local coil reads the digitized magnetic resonance signals stored in the internal local coil memory out of the internal local coil memory in a read-out sequence that is different from the write-in sequence and transfers the digitized magnetic resonance signals to a control and evaluation device of a magnetic resonance unit. | 2013-03-07 |
| 20130057279 | Noninvasive Characterization of Mechanical Properties of Materials and Tissues Using Magnetic Resonance Techniques - Techniques include determining, non-invasively and without applying deformational stress, a nuclear magnetic resonance relaxation rate at a volume inside a subject. The method also includes determining a mechanical property of material at the volume inside the subject based on the nuclear magnetic resonance relaxation rate. | 2013-03-07 |
| 20130057280 | Magnetic Resonance System and Method for Rephasing Spin Systems in Slices in Slice Multiplexing Measurement Sequences for Magnetic Resonance Imaging - In a method for rephasing a first spin system in a first slice with a first coherence curve and a second spin system of a second slice with a second coherence curve, in the generation of MR images with slice multiplexing, a first RF pulse deflects the spin system of the first slice and a second RF pulse deflects the spin system of the second slice. The beginning of the second RF pulse is time-shifted with respect to the beginning of the first RF pulse by a time period that is shorter than the duration of the first RF pulse. A rephasing correction impresses a correction phase on at least one of the spin systems, and signals of the spin systems are respectively detected. The coherence curves are rephased so detection of the signals occurs simultaneously. | 2013-03-07 |
| 20130057281 | Magnetic Resonance System and Method for Slice-Selective Detection and Correction of Incorrect Magnetic Resonance Image Data in Slice Multiplexing Measurement Sequences - In a magnetic resonance (MR) method system for slice-selective detection and correction of incorrect magnetic resonance data, a first acquisition sequence is implemented to acquire MR data from a first slice of the examination subject that is associated with a chronologically first coherence curve of the magnetization; a second acquisition sequence is implemented to acquire MR data from a second slice of the examination subject that is associated with a chronologically second coherence curve of the magnetization. In slice multiplexing measurement sequences that are characterized by the simultaneous use of the transverse magnetization of the first and second slice within the first and second acquisition sequences slice-selective errors can be detected and corrections made. | 2013-03-07 |
| 20130057282 | METHOD AND MAGNETIC RESONANCE SYSTEM FOR IMAGING A PARTIAL REGION OF AN EXAMINATION SUBJECT - In a method and magnetic resonance (MR) apparatus to image a partial region of an examination subject by means of a multislice measurement, which partial region includes at least two measurement slices, and is located at least in part at the edge of a field of view of the magnetic resonance apparatus, for each voxel to be optimized that is located at the edge of the field of view, a gradient field is configured for each measurement slice of the partial region that is to be measured and is used to acquire magnetic resonance data in the multislice measurement. The gradient field is configured so as to cause a nonlinearity of the gradient field and a B | 2013-03-07 |
