39th week of 2013 patent applcation highlights part 23 |
Patent application number | Title | Published |
20130249468 | BATTERY MANAGEMENT SYSTEM FOR RESTRICTED IDLE VEHICLES - A vehicle electrical power system includes a generator which generates power for application to loads and to chassis and batteries for storage. A starter motor for an engine is energized primarily from the battery. A contactor between the batteries has a closed state in which power can flow between the batteries and an open state which interrupts power flow between the batteries and from the generator to the cranking battery. A controller enables periodic stopping and starting of the engine is responsive to a battery state of charge for at least one of the batteries for operating the engine to maintain a minimum battery state of charge. The contactor may have a limited closed state in which power flow between the batteries is surge limited. Power flow is surge limited through the connector responsive to a voltage difference between the batteries. | 2013-09-26 |
20130249469 | INPUT POWER CONTROLLER FOR AC/DC BATTERY CHARGING - A control approach of adjusting the input power of a power factor correction (PFC) stage so that the output voltage (DC-link) of the input AC/DC stage to an intermediate DC voltage (DC-Bus voltage) is adjusted based on the amount of power required to charge a high energy battery is disclosed. The present invention controls the input power of the PFC instead of the DC-bus voltage as is common in conventional methods. Therefore, a very fast response compared to the conventional sluggish voltage loop can be achieved. Also, having different DC-bus voltages for different output load conditions allows the DC/DC converter to work with an optimal duty cycle for a whole range of load variations. | 2013-09-26 |
20130249470 | AUTOMOTIVE VEHICLE CHARGE SYSTEM - A vehicle charging system includes a base plate having an inclined surface defining at least a portion of a recess, and an arm arrangement having a base end portion movably attached to the base plate, a vehicle end portion, a spring-loaded element attached to the base end portion and in contact with the base plate, and a primary charge pad attached to the vehicle end portion. The arm arrangement has a retracted position in which at least a portion of the primary charge pad is disposed within the recess and an extended position in which the primary charge pad is spaced away from the base plate. The spring-loaded element is arranged to move along the inclined surface as the arm arrangement moves between the retracted and extended positions. | 2013-09-26 |
20130249471 | DISH HAVING DISPLAY DEVICE AND APPARATUS FOR CHARGING THE SAME - A dish having a display element installed therein includes a dish main body including a display element including a display portion and a circuit portion, a first side including a transparent material, and a second side, and a battery portion at the second side for supplying power to the display element. | 2013-09-26 |
20130249472 | AC-DC CONVERTER AND CHARGE AND DISCHARGE SYSTEM THEREOF - An AC-DC converter and a charge and discharge system thereof are disclosed. The AC-DC converter includes a first signal terminal, an AC signal conversion circuit, a power storage component, a first conversion circuit, a controlling module, a second conversion circuit, and a second signal terminal. The first signal terminal is used for inputting a first power signal. The AC signal conversion circuit is used for converting the first power signal into a first conversion signal. The power storage component is used for amplifying a potential of the first conversion signal. The controlling module controls the first conversion circuit to transfer the first conversion signal into a second conversion signal after the potential of the first conversion signal is amplified. The second conversion circuit is used for converting the second conversion signal into a DC power signal. The second signal terminal is used for outputting the DC power signal. | 2013-09-26 |
20130249473 | SEMICONDUCTOR DEVICE INCLUDING CHARGING SYSTEM - The semiconductor device includes the charging system including: electric power generating unit for supplying electric power; electric power storing unit for storing electric power generated by the electric power generating unit; switch unit provided in a charging path for charging the electric power storing unit with the electric power generated by the electric power generating unit; a comparator driven by the electric power generated by the electric power generating unit for comparing a reference voltage and a stored voltage of the electric power storing unit; and a level converter provided between the comparator and the switch unit for, based on a result of a comparison made by the comparator, converting a level of a generated voltage to a level of the stored voltage and outputting a resultant to the switch unit. | 2013-09-26 |
20130249474 | System for Charging an Energy Store, and Method for Operating the Charging System - A system for charging at least one energy reservoir cell in a controllable energy reservoir serving to control/supply electrical energy to an n-phase electrical machine (n≧2). The controllable energy reservoir has n parallel energy supply branches each having at least two series connected energy reservoir modules, each encompassing at least one electrical energy reservoir cell having an associated controllable coupling unit, are connected to a reference bus, and are connected to a respective phase of the machine. As a function of control signals, the coupling units interrupt the respective energy supply branch or bypass the associated reservoir cells or switch the associated reservoir cells into the respective energy supply branch. To charge at least one cell, at least two phases of the machine are connectable via at least one respective free-wheeling diode to a negative pole of a charging device. The reference bus is connectable to the negative pole of the device. Those energy supply branches connected to those phases which are connectable to the negative pole of the device each have a contact point disposed between two energy reservoir modules and is connectable via at least one free-wheeling diode to a positive pole of the device. | 2013-09-26 |
20130249475 | POWER STORAGE APPARATUS, POWER STORAGE SYSTEM HAVING THE SAME AND METHOD OF ASSEMBLING POWER STORAGE SYSTEM BY USING THE SAME - The present disclosure describes a power storage apparatus including a housing made of a durable material and defining an installation space of a plurality of secondary batteries; a plurality of secondary batteries accommodated in the housing and connected to each other in series or in parallel; a Battery Management System (BMS) for controlling charge and discharge of the plurality of secondary batteries and monitoring an electric characteristic value thereof; and a status setting switch for setting a status of the BMS. According to the present disclosure, a power storage system may be easily configured by means of a simple BMS setting. Also, if any one of the power storage apparatuses is not working properly, the power storage apparatus with a problem may be easily distinguished by the naked eyes of a manager, which facilitates easy maintenance and repair. | 2013-09-26 |
20130249476 | CONVERTER FOR BALANCING THE CELLS OF AN ELECTRIC BATTERY - A balancing converter is connected to terminals of cells of an electric battery. The converter includes a quasi-resonant circuit and a pseudo-control circuit coupled by a transformer and implements soft-switching techniques through quasi-resonances. | 2013-09-26 |
20130249477 | WIRELESS POWER TRANSFER APPARATUS AND METHOD OF MANUFACTURE - Systems, methods and apparatuses for wireless power transfer are disclosed. In one aspect, a wireless power transfer apparatus is provided comprising a casing with at least one projecting member projecting from an inner side of the surface of the casing that is subject to external compression forces. An induction coil and other components such as insulating layers and magnetically permeable members are positioned around at least one of the projecting members and maintained in position by the projecting members. The wireless power transfer apparatus is able to withstand large compressive forces, such as those imparted by heavy vehicles and the like passing over the apparatus when positioned on the ground in a wireless power transfer system. | 2013-09-26 |
20130249478 | IN-VEHICLE WIRELESS CHARGING SYSTEM - An in-vehicle wireless charging system including a warning unit that generates a warning notifying a user that a vehicle is in a situation inappropriate for the user to leave the vehicle when a door opens under a situation inappropriate for the user to leave the vehicle. The warning unit is constantly supplied with power. A wireless charging device supplies power to a charged device set at a predetermined charge location in the vehicle. A first switch detects whether or not the charged device is set at the charge location. The warning unit generates the warning notifying the user that the vehicle is in a situation inappropriate for the user to leave the vehicle when the door opens under a situation in which the charged device has been determined from the detection of the first switch as being set at the charge location. | 2013-09-26 |
20130249479 | SYSTEMS AND METHODS FOR WIRELESS POWER TRANSFER - Systems and methods for enabling efficient wireless power transfer, and charging of devices and batteries, in a manner that allows freedom of placement of the devices or batteries in one or multiple (e.g., one, two or three) dimensions. In accordance with various embodiments, applications include inductive or magnetic charging and power, and wireless powering or charging of, e.g., mobile, electronic, electric, lighting, batteries, power tools, kitchen, military, medical or dental, industrial applications, vehicles, trains, or other devices or products. In accordance with various embodiments, the systems and methods can also be generally applied, e.g., to power supplies or other power sources or charging systems, such as systems for transfer of wireless power to a mobile, electronic or electric device, vehicle, or other product. | 2013-09-26 |
20130249480 | SYSTEM AND METHOD FOR INDUCTIVELY TRANSFERRING AC POWER AND SELF ALIGNMENT BETWEEN A VEHICLE AND A RECHARGING STATION - A method and apparatus for hands free inductive charging of batteries for an electric vehicle is characterized by the use of a transformer having a primary coil connected with a charging station and a secondary coil connected with a vehicle. More particularly, the when the vehicle is parked adjacent to the charging station, the primary coil is displaced via a self alignment mechanism to position the primary coil adjacent to the secondary coil to maximize the inductive transfer of charging current to the secondary coil. The self alignment mechanism preferably utilizes feedback signals from the secondary coil to automatically displace the primary coil in three directions to position the primary coil for maximum efficiency of the transformer. | 2013-09-26 |
20130249481 | WIRELESS POWER TRANSFER FOR CHARGEABLE DEVICES - Apparatus and methods directed to wireless power are disclosed. A charging device includes an antenna circuit for wirelessly receiving power from a first device via a power antenna. Received power can be stored in an energy storage device. The antenna circuit can wirelessly power or charge a plurality of second electronic devices via the power antenna based on power stored in the energy storage device. Furthermore, a wireless charging apparatus is disclosed that includes a display for receiving a device placed on its surface. Changes in a magnetic field in response to the placement of the chargeable electronic device on the surface of the display is detected. A communication link with the chargeable electronic device in response to the change in the level of the magnetic field is activated. A transmit antenna circuit wirelessly transmits power to the chargeable electronic device. | 2013-09-26 |
20130249482 | VEHICLE-MOUNTING CHARGING APPARATUS AND VEHICLE MOUNTED THEREWITH - A vehicle-mounting charging apparatus includes a body case adapted to be mounted to a ceiling part of a vehicle, and a charging coil for contactless charging that is provided in the body case. A shielding part for shielding electromagnetic waves is provided on a lower side of the charging coil. | 2013-09-26 |
20130249483 | CHARGING APPARATUS, POWER STORAGE APPARATUS, AND POWER SOURCE APPARATUS - A charging apparatus comprises an estimator unit for estimating the habitual usage start time of a secondary cell on the basis of the usage history of the secondary cell, an allowable charging time calculator unit for calculating the period of time from the charging start time of the secondary cell to the imminent usage start time as allowable charging time, a necessary charge time calculator unit for calculating the charging time necessary to fully charge the secondary cell as necessary charging time, and a charger unit for charging the secondary cell under degradation-suppression charging conditions when the allowable charging time exceeds the necessary charge time. Under the degradation-suppression charging conditions, the charging apparatus performs temporary charging suspension during charging, and charges the secondary cell so that full charge is reached within the allowable charging time. | 2013-09-26 |
20130249484 | Method for Charging at Least One Energy Store of an Electric Vehicle - A method is disclosed for charging at least one energy store of an electric vehicle via a charging point, using a first terminal having first connecting elements of a charging cable connected to the charging point. The first connecting elements are connected to corresponding second connecting elements of a second terminal on the vehicle, and the first and second connecting elements are designed to supply alternating current for charging the at least one energy store. Direct current from the charging point for charging the at least one energy store is supplied to the electric vehicle via at least two first connecting elements or at least two third connecting elements of the first terminal, wherein PLC communication between the electric vehicle and charging point in order to exchange information relating to the charging operation occurs via one or more first connecting elements on which no direct current for charging is carried. | 2013-09-26 |
20130249485 | DC CHARGING STATION FOR A BATTERY OF AN ELECTRIC VEHICLE - A DC voltage source, for example an AC/DC converter, has an output producing a controllable DC voltage for a DC charging station to charge the battery of an electric vehicle. A voltage balancing unit is connected between the output of the converter and the output terminal of the DC charging station. The voltage balancing unit has a controllable switch by which the connection between voltage source or converter and battery can be made or broken as desired. The switch is controlled as a function of the voltage on the input and output side of the voltage balancing unit to the effect that the switch breaks the connection before and while the battery is being connected to the DC output terminal, and makes a connection only when the voltage on the input side of the voltage balancing unit corresponds substantially to the voltage on the output side of the voltage balancing unit. | 2013-09-26 |
20130249486 | Charging apparatus for a motor vehicle for charging a vehicle battery - A charging apparatus ( | 2013-09-26 |
20130249487 | METHOD AND APPARATUS FOR UTILIZING USED BATTERIES TO SURFACE CHARGE AN AUTOMOBILE BATTERY - Method and apparatus comprising used batteries for surface charging an automobile battery. A surface charge provides a time limited window in which to start a vehicle comprising a surface charged battery for example. Use of used batteries provides for environmentally effective manner in which to deal with the tremendous amount of used batteries that are discarded worldwide each year. The apparatus may comprise a charging circuit to allow for recharging the used batteries. Recharging “non-rechargeable” batteries at least once provides a destination for used batteries that have until now been discarded. Embodiments may comprise an LED to signify when a target battery comprises sufficient surface charge to warrant an attempt to start an engine. The apparatus is a small portable device that can stored anywhere in a vehicle. | 2013-09-26 |
20130249488 | BATTERY PACK CHARGING SYSTEM AND METHOD OF CONTROLLING THE SAME - A battery pack and a method of charging the battery pack are disclosed. The method for charging includes monitoring a state of charge of a battery pack, determining a need for charging the battery pack based on the monitored state of charge of the batter and triggering charging of the battery pack by sending a signal indicative of the need for charging the battery pack based on the determined need for charging the battery pack. | 2013-09-26 |
20130249489 | BATTERY CHARGING CIRCUIT - A battery charging circuit includes a plurality of unit batteries that are connected in series; a current path forming unit that is connected between the unit batteries and forms a charging current path to one or more unit batteries selected by one or more selection signals; a control unit that senses the charging status of each of the plurality of the unit batteries, and generates the selection signals and controls the duty ratio according to the sensing results; and a charging electricity providing unit that controls the charging voltage provided to the charging current path forming unit according to the duty ratio of the charging control pulse. | 2013-09-26 |
20130249490 | ESTIMATED CHARGING AMOUNT CALCULATOR OF RECHARGEABLE BATTERY - A charge/discharge current Iij where an absolute value of a difference of an estimated value (estimated cell voltage Vije(n)) of a terminal voltage of a battery cell and a detected value (cell voltage Vij(n)) that becomes equal to or less than a prescribed value ΔVth is searched by Newton's method. The charge/discharge current Iij searched in this way is equalized in all the battery cells. A charging rate SOCij(n) of the battery cell is calculated by an integration calculation of a calculated average value Ia (n). | 2013-09-26 |
20130249491 | DISCHARGE CONTROLLER - Remaining capacity calculation section ( | 2013-09-26 |
20130249492 | BATTERY PACK AND METHOD OF CONTROLLING THE SAME - A battery pack for starting an engine having an idle stop & go (ISG) system in which the engine is repeatedly stopped and restarted to conserve fuel. This battery pack includes: a rechargeable battery; a first ISG current control unit having a variable resistor electrically connected to the rechargeable battery; and a battery management system (BMS) electrically connected to the rechargeable battery and the first ISG current control unit, said BMS sets a resistance value of the variable resistor according to a current mode of the ISG system. | 2013-09-26 |
20130249493 | VEHICLE AND METHOD OF CONTROLLING THE SAME - An electrical system, such as for use in a vehicle is disclosed. The system includes a battery cell that is receives a charge current from a power generation module in order to be charged, and a diode between the power generation module and the battery cell, which allows the charge current to flow therethrough. The system also includes a control unit that adjusts the charge current according to a temperature of the diode. | 2013-09-26 |
20130249494 | BATTERY PACK - A battery pack including: a first terminal; a second terminal; a battery module coupled between the first terminal and the second terminal, the battery module having a state of charge; a sensor configured to measure a swelling of the battery module and to generate a swelling data value; and a battery management system configured to control a charging and a discharging of the battery module to reduce a swelling rate of the battery module or to correct the swelling of the battery module according to the swelling data value and the state of charge. | 2013-09-26 |
20130249495 | POWER SUPPLY DEVICE FOR ELECTRIC POWERED VEHICLE, CONTROL METHOD THEREOF, AND ELECTRIC POWERED VEHICLE - An electric load is electrically connected to a path between an external power supply and a power storage device. An ECU executes temperature-rise control, when the temperature of the power storage device is low, ensuring power consumption of the electric load in association with charging/discharging of the power storage device. During execution of temperature-rise control, the ECU sets a power command value of the external charger, alternately causing a discharging mode having the output power of the external charger positively controlled and in which power consumption of the electric load is ensured in association with discharging of the power storage device, and a charging mode having the output power of the external charger negatively controlled and in which power consumption of the electric load is ensured in association with charging of the power storage device. | 2013-09-26 |
20130249496 | BATTERY PACK - A battery pack includes a battery for supplying power to a starter motor of a vehicle, and a battery management unit for monitoring a condition of the battery, and for blocking the supply of power from the battery to the starter motor when a stability condition requirement for the battery is not satisfied. | 2013-09-26 |
20130249497 | DISCHARGE CONTROLLER - Remaining capacity calculation section ( | 2013-09-26 |
20130249498 | NON-AQUEOUS SECONDARY BATTERY AND SECONDARY BATTERY SYSTEM - A non-aqueous secondary battery, such as a lithium ion secondary battery, eliminates local potential distribution in a cell due to the side reaction during charge/discharge, and does not undergo deterioration of capacitance, deterioration of a positive electrode material, and deposition of metallic lithium. The non-aqueous secondary battery has an electrode group and an electrolyte disposed in one container. The electrode group includes a positive electrode, a negative electrode, and a separator, and is divided into a plurality of electrode groups separated electrically. The electrode groups are in contact with an identical electrolyte, and terminals are led out from the positive electrode and the negative electrode to the outside of the container on every electrode group. Terminals are connected on every positive electrode and negative electrode at the outside of the container, and the terminals at the outside of the container are connectable and disconnectable easily. | 2013-09-26 |
20130249499 | PORTABLE ELECTRONIC DEVICE - In a method for operating a portable electronic device a recharge process for recharging a rechargeable energy storage of the portable electronic device is detected. A heater is activated for heating a sensitive layer of a chemical sensor contained in the portable electronic device subject to the detection of the recharge process. | 2013-09-26 |
20130249500 | ELECTRONIC DEVICE AND METHOD FOR CHARGING ELECTRONIC DEVICE - In a method for charging an electronic device, the method increases a charging current value of a battery of the electronic device by a preset charging current increment, and compares a current value of the charging current with a maximum charging current value of the battery if the value of the voltage across a universal serial bus (USB) interface of the electronic device is greater than the preset voltage value. The method controls the battery of the electronic device charge from a power supply equipment by setting the maximum charging current value as the value of the charging current, if the charging current value is not less than the maximum charging current value. | 2013-09-26 |
20130249501 | DOUBLE FED INDUCTION GENERATOR (DFIG) CONVERTER AND METHOD FOR IMPROVED GRID FAULT RIDETHROUGH - A double fed induction generator (DFIG) converter method are presented in which rotor side current spikes are attenuated using series-connected damping resistance in response to grid fault occurrences or grid fault clearances. | 2013-09-26 |
20130249502 | POLYPHASIC MULTI-COIL GENERATOR - A polyphasic multi-coil generator includes a driveshaft, at least first and second rotors rigidly mounted on the driveshaft so as to simultaneously synchronously rotate with rotation of the driveshaft, and at least one stator sandwiched between the first and second rotors. The stator has an aperture through which the driveshaft is rotatably journalled. A stator array on the stator has an equally circumferentially spaced-apart array of electrically conductive coils mounted to the stator in a first angular orientation about the driveshaft. The rotors and the stator lie in substantially parallel planes. The first and second rotors have, respectively, first and second rotor arrays. | 2013-09-26 |
20130249503 | METHOD FOR AUTOMATICALLY RE-PHASING THE CURRENT OF A DOMESTIC ELECTRICAL NETWORK | 2013-09-26 |
20130249504 | POWER FACTOR CORRECTION (PFC) CONTROLLER AND BRIDGELESS PFC CIRCUIT WITH THE SAME - A power factor correction (PFC) controller for controlling at least a switching unit is provided. The PFC controller has a feedback control circuit, a conductive current detecting circuit, and a switching control circuit. The feedback control circuit generates a feedback control signal for turning off the switch according to a feedback voltage signal. The conductive current detecting circuit has a clamp circuit, which generates a clamped signal restricted in a positive potential varying range according to a negative potential portion of a conductive-current detecting signal, and generates a cutoff signal for turning off the switch according to at least the clamped signal. The switching control circuit is utilized for controlling the switch according to the feedback control signal and the cutoff signal. | 2013-09-26 |
20130249505 | DC-DC CONVERTER ENABLING RAPID OUTPUT VOLTAGE CHANGES - Embodiments for methods, apparatus and systems for operating a voltage regulator are disclosed. One embodiment of the voltage regulator generates a switching voltage through controlled closing and opening of a series switch element and a shunt switch element. The voltage regulator further includes a switched output filter that includes a plurality of capacitors for filtering the switching voltage and generating an output voltage. A mode controller is operative to disconnect at least one of the plurality of capacitors upon receiving a first indicator, where disconnecting causes the at least one of the plurality of capacitors to electrically float, wherein while the at least one capacitor is disconnected the output voltage is changed from a first value to a second value, return the output voltage to a first value or a third value upon receiving a second indicator, and reconnect the at least one of the plurality of capacitors. | 2013-09-26 |
20130249506 | Integrated Switch-Capacitor DC-DC Converter and Method Thereof - An integrated switch-capacitor DC-DC converter and method are disclosed. In an embodiment, a converter includes a switch-capacitor network for receiving a source voltage and outputting a load voltage to a load circuit in accordance with a N-bit control code and a plurality of phase clocks, wherein N is an integer greater than 1, a load capacitor for holding the load voltage, a feedback network for generating a feedback voltage proportional to the load voltage, and a controller for receiving the feedback voltage and a reference voltage and outputting the N-bit control code in accordance with a clock phase of the plurality of phase clocks. | 2013-09-26 |
20130249507 | APPARATUS AND METHOD FOR CONTROLLING PULSE FREQUENCY MODULATION IN SINGLE-INDUCTOR DUAL-OUTPUT POWER CIRCUIT - An apparatus configured to control a pulse frequency modulation in a single-inductor dual-output power circuit. The apparatus fixes a pulse width of one of a maximum on-time pulse signal (which is used to define a maximum on-time during which a current flowing through the inductor is generated) and a minimum off-time pulse signal (which is used to define a minimum off-time during which either the boost voltage converter or the buck-boost voltage converter produces a positive voltage or a negative voltage). The apparatus adjusts a pulse width of the other pulse signal. | 2013-09-26 |
20130249508 | Voltage Regulator Having an Emulated Ripple Generator - According to an exemplary implementation, a voltage regulator includes an emulated ripple generator. The emulated ripple generator includes a high side switch configured to control charging of an emulated ripple. The emulated ripple generator further includes a low side switch configured to control discharging of the emulated ripple. The high side switch and the low side switch are configured to control the charging and the discharging such that the emulated ripple is substantially in-phase with an inductor current of the voltage regulator. The high side switch can be configured to control the charging by selectively enabling a high side current source. Furthermore, the low side switch can be configured to control the discharging by selectively enabling a low side current source. | 2013-09-26 |
20130249509 | POWER SUPPLY CIRCUIT, MOBILE TERMINALS USING THE SAME, AND CONTROL METHOD OF THE SAME - A power supply circuit includes: a first switch and a second switch that are connected in series between an input voltage terminal and a reference power supply; a controller that controls the first and second switches to be turned on and off by turns; a comparator that has an inverting input terminal connected to a voltage supply and that has a non-inverting input terminal connected to a first terminal of a capacitor; a third switch that is provided between an output terminal and the non-inverting input terminal of the comparator; a fourth switch that is provided between a connection node of the first and second switches, and a second terminal of the capacitor; and a latch circuit that detects change of output of the output terminal of the comparator and controls the second switch to be turned off. | 2013-09-26 |
20130249510 | VOLTAGE REGULATOR - Provided is a voltage regulator which includes an inrush current prevention circuit so that no current is consumed after the start-up of the voltage regulator. A start-up circuit of the voltage regulator includes: a constant current circuit; a first transistor connected between the constant current circuit and a constant voltage generation circuit; a second transistor including a drain connected to a gate of the first transistor, and a gate to which a voltage based on an output voltage is input; a first depletion transistor including a gate connected to the drain of the second transistor, and a source connected to a source of the second transistor; and a third transistor including a gate connected to the gate of the second transistor, and a drain connected to the drain of the second transistor. | 2013-09-26 |
20130249511 | CONFIGURABLE MULTI-MODE PWM CONTROLLER - A multi-mode pulse width modulation (PWM) controller for a buck switching regulator includes a multi-mode PWM control circuit where the PWM control circuit is configured to operate in one of multiple control schemes selectable by a mode select signal. In one embodiment, the multi-mode PWM control circuit incorporates a peak current mode control scheme, a voltage mode control scheme, and a valley current mode control scheme. In another embodiment, the multi-mode PWM control circuit further incorporates a constant ON-time control scheme. | 2013-09-26 |
20130249512 | SEMICONDUCTOR DEVICE AND DC-TO-DC CONVERTER - In general, according to one embodiment, a semiconductor device includes a device main body, a semiconductor substrate. The device main body includes a semiconductor substrate mounting part and a first conductor provided around the semiconductor substrate mounting part. The semiconductor substrate includes a DC-to-DC converter control circuit having a detector to detect at least one of a current flowing through the first conductor and a voltage supplied to the first conductor. The semiconductor substrate is disposed on the semiconductor substrate mounting part so that the detector comes close to the first conductor. | 2013-09-26 |
20130249513 | ADAPTIVE STARTUP CONTROL FOR BOOST CONVERTER - This document discusses, among other things, apparatus and methods for a boost converter start-up circuit. In an example, a start-up circuit can include a linear current generator configured to couple a supply terminal of the voltage converter to an output terminal of the voltage converter. The linear current generator can include a modified current mirror and a feedback circuit configured to provide a first representative of an output voltage of the output terminal to an input of each of a first and a second adjustable current source of the modified current mirror. | 2013-09-26 |
20130249514 | Efficiency Improvement of a Driver by Using Serially Connected Low Voltage Transistors or Dynamic Transistor Size Control - Serially connected low voltage transistors are used to replace a high voltage transistor in a voltage conversion circuit for a driver, or parallel connected sub-transistors are used to establish a high voltage transistor having an effective size dynamically adjusted according to loading of the driver, to reduce switching loss and thereby improve the efficiency of the driver. | 2013-09-26 |
20130249515 | Voltage Converter Comprising a Storage Inductor with one Winding and a Storage Inductor with Two Windings - A circuitry includes first, second, and third switching elements, first and second storage inductors, two connector pairs, and first and second intermediate potential points. The second storage inductor includes first and second windings. The first intermediate potential point is connected to a first connector of the first connector pair via the first storage inductor, to the second connector of the first connector pair via the third switching element, and to the second intermediate potential point. The second intermediate potential point is connected to the first connector of the second connector pair via a series connection of the first switching element and the first winding of the second storage inductor, and to the second connector of the second connector pair via a series connection of the second switching element and the second winding of the second storage inductor. | 2013-09-26 |
20130249516 | DC TO DC CONVERTER WITH PSEUDO CONSTANT SWITCHING FREQUENCY - A method for a DC to DC converter with a pseudo constant switching frequency is disclosed herein. For example, some embodiments provide a DC to DC converter having a switch connected to a switching node to control a voltage of the switching node, and a switching controller that is adapted to turn on and off the switch at a substantially constant frequency based at least in part on the voltage of the switching node. The switching controller includes a modulator connected to a control electrode of the switch and that is adapted to actuate and deactuate the switch, and a first timer that is connected to the switching node and to the modulator. The first timer uses the voltage of the switching node to determine an on-time for the switch. | 2013-09-26 |
20130249517 | DC-DC CONVERTER AND CONTROL CIRCUIT THEREOF - A control circuit of a DC-DC converter has a voltage difference signal generator configured to generate a digital voltage difference signal depending on a voltage difference between the output voltage and a reference voltage, a PID controller configured to generate a digital PID signal for determining the duty ratio of the pulse-width modulated signal, based on the digital voltage difference signal, a phase controller configured to generate a digital phase control signal for determining a phase of the pulse-width modulated signal, based on the digital voltage difference signal, and a PWM generator configured to generate the pulse-width modulated signal, based on the digital PID signal and the digital phase control signal. | 2013-09-26 |
20130249518 | Current-Sensing Auto-Calibration in Power Converters - An electronic circuit (EC) may include an integrated current-source with an output terminal that may couple to the output of a power converter (OPC) to draw current from the power converter. The EC may further include control circuitry for activating the integrated current-source and for effecting a ramping output voltage at the OPC, and begin current-sense calibration once the output voltage reaches a specified calibration voltage value (SCVV). The control circuitry may regulate the output voltage to the SCVV while current-sense calibration is being performed, to measure and store the resistance value of a current-sense element of the power regulator. With the current-sense calibration complete, the control circuitry may disable the integrated current-source, resume ramping the output voltage until it reaches a specified regulation value (SRVV), and regulate to the SRVV during normal operation. The SCVV is specified to be at least a magnitude lower than the SRVV. | 2013-09-26 |
20130249519 | Improved Startup of DC-DC Converters - Generally, this disclosure provides methods and systems for improved startup for DC-DC converters that reduce input voltage droop, in-rush current and output voltage jumps. The system may include a power stage circuitry including a plurality of power segments coupled in parallel, the power stage circuitry is coupled between an input voltage and output stage circuitry and configured to deliver power to a load coupled to the output stage circuitry. The system may further include PWM and power stage controller circuitry configured to sequentially and progressively activate the plurality of power segments to limit an input in-rush current from the input voltage during a ramp up period and output voltage at the output stage circuitry. | 2013-09-26 |
20130249520 | BOOST REGULATOR WITH TIMING CONTROLLED INDUCTOR BYPASS - Apparatus and methods of implementing a voltage converter bypass switch, among other things, are discussed herein. In certain examples, a boost converter can include a bypass switch configured to bypass an inductor and a transistor of the boost converter to more directly couple a supply voltage to an output of the boost converter during a bypass mode, and to isolate a supply voltage input from the output during a boost mode of the boost converter. | 2013-09-26 |
20130249521 | METHOD FOR PERFORMING POWER CONSUMPTION CONTROL, AND ASSOCIATED APPARATUS - A method for performing power consumption control is provided, where the method is applied to an electronic device. The method includes: sensing a current on a current path between a battery and at least one portion of the electronic device by performing sampling operations to generate a plurality of samples; performing calculation on the samples to monitor the current; and based upon the calculation, when it is detected that the current reaches a predetermined threshold, triggering a post processing operation to be performed within the electronic device. In particular, performing the sampling operations to generate the plurality of samples further includes: utilizing an analog-to-digital converter (ADC) to perform the sampling operations on a voltage difference corresponding to the current to generate the plurality of samples. For example, the voltage difference can be obtained by probing two terminals of a resistor or a Hall component. An associated apparatus is also provided. | 2013-09-26 |
20130249522 | Power Supply Control Device - A power supply control device includes a switch element that is provided between a power supply and a load, an on-off control section that controls to turn on and off the switch element, and a voltage detecting section that detects a voltage supplied from the power supply to the load. The on-off control section controls to turn on the switch element intermittently and shortens a duty ratio of an on-time period of the switch element in accordance with an increase of the supplied voltage detected by the voltage detecting section. | 2013-09-26 |
20130249523 | METHOD AND DEVICE FOR CURRENT DRIVEN ELECTRIC ENERGY CONVERSION - Device comprising an electric power converter circuit for converting electric energy. The converter circuit comprises a switch arrangement with two or more controllable electric switches connected in a switching configuration and controlled so as to provide a current drive of electric energy from an associated electric source connected to a set of input terminals. This is obtained by the two or more electric swiches being connected and controlled to short-circuit the input terminals during a part of a switching period. Further, a low pass filter with a capacitor and an inductor are provided to low pass the output from the switch arrangement and designed such that a high impedance at a frequency range below the switching frequency is obtained, seen from the output terminals. Switches implemented by normally-on-devices are preferred, e.g. in the form of a JFET. The converter circuit may be in different configurations such as half bridge buck, full bridge buck, half bridge boost, or full bridge boost. A current driven conversion is advantageous for high efficient energy conversion from current sources such as solar cells or where a voltage source is connected through long cables, e.g. powerline cables for long distance transmission of electric energy. In many applications the total size of filter components (capacitors and inductors) can be reduced compared to voltage driven topologies. One application is an audio amplifier arranged to drive a loudspeaker. | 2013-09-26 |
20130249524 | ENHANCED ON-TIME GENERATOR - This document discusses, among other things, voltage converters and computed on-time voltage converters. In an example, an on-time generator for a voltage converter can include a timing capacitor configured to provide a timing voltage, a comparator configured to receive the timing voltage and a threshold voltage and to provide the timing signal using a comparison of the timing voltage and the threshold voltage, a current source configured to discharge the timing voltage of the timing capacitor after a start-up delay, and first and second compensation capacitors configured to bias the timing voltage of the timing capacitor to compensate for the start-up delay. | 2013-09-26 |
20130249525 | VOLTAGE REFERENCE CIRCUIT - Provided is a voltage reference circuit which is able to obtain high PSRR without a variation in power-supply voltage and an influence of noise. A voltage reference circuit for performing voltage-current conversion on forward voltages of PN junction elements and on a difference therebetween to generate a voltage so as not to depend on a temperature is constituted by an amplifier for controlling a temperature characteristic of a voltage of an output terminal, a source follower circuit for supplying a power to the amplifier, and a PMOS transistor which is controlled by the amplifier and which controls a current to flow into the PN junction elements. | 2013-09-26 |
20130249526 | CONSTANT VOLTAGE GENERATING CIRCUIT AND CONSTANT VOLTAGE GENERATING METHOD - Disclosed herein are a constant voltage generating circuit and a constant voltage generating method. According to an embodiment of the present invention, the constant voltage generating circuit includes a voltage distribution unit performing voltage drop on a variable input power, a reference voltage and register bit generation unit outputting a band gap reference voltage and register bit, a comparison control unit comparing an input voltage dropped in the voltage distribution unit and the band gap reference voltage output from the reference voltage and register bit generation unit, and controlling the reference voltage and register bit generation unit or a constant voltage generation unit in accordance with the compared result, and a constant voltage generation unit receiving the variable input power by an operation of a switch corresponding to the register bit to thereby output a constant voltage, in accordance with the control of the comparison control unit. | 2013-09-26 |
20130249527 | Electronic Device and Method for Generating a Curvature Compensated Bandgap Reference Voltage - The invention relates to an electronic device with a bandgap reference generator including a first path with series connection of a first bipolar transistor, a first resistor and a second resistor, and a second path with series connection of a second bipolar transistor and a third resistor. The first and second paths are supplied current via a common node through a fourth resistor controlled by an amplifier sensing voltage drops within the first and second paths. A curvature compensation stage compensates for a variation of base emitter voltage of the bipolar transistors by drawing a compensation current from the common resistor node. | 2013-09-26 |
20130249528 | TAP CHANGER - The invention relates to a tap changer for regulating voltage, comprising semiconductor switching elements on a regulating transformer having a regulating winding. The tap changer is modularly constructed, wherein each module comprises a sub-winding of the regulating winding that can be switched on or off by semiconductor switching elements. | 2013-09-26 |
20130249529 | LOW FORWARD VOLTAGE RECTIFIER USING CAPACITIVE CURRENT SPLITTING - A Low Forward Voltage Rectifier (LFVR) circuit includes a bipolar transistor, a parallel diode, and a capacitive current splitting network. The LFVR circuit, when it is performing a rectifying function, conducts the forward current from a first node to a second node provided that the voltage from the first node to the second node is adequately positive. The capacitive current splitting network causes a portion of the forward current to be a base current of the bipolar transistor, thereby biasing the transistor so that the forward current experiences a low forward voltage drop across the transistor. The LFVR circuit sees use in as a rectifier in many different types of switching power converters, including in flyback, Cuk, SEPIC, boost, buck-boost, PFC, half-bridge resonant, and full-bridge resonant converters. Due to the low forward voltage drop across the LFVR, converter efficiency is improved. | 2013-09-26 |
20130249530 | PIEZOELECTRIC SUBSTRATE FOR THE STUDY OF BIOMOLECULES - A method of forming extremely small pores in a substrate may be used to produce, for example, an apparatus for the study of biological molecules, by providing a small pore in a piezoelectric substrate having electrodes, the latter that may be energized to change the pore dimensions. | 2013-09-26 |
20130249531 | CURRENT SENSOR - A current sensor includes a magnetic sensor module including a plurality of magnetic sensor units connected in series. The magnetic sensor units each include a first magnetic sensor element and a second magnetic sensor element which have sensitivity axes oriented in opposite directions. A first terminal of the first magnetic sensor unit is connected to a first potential source. A third terminal of the first magnetic sensor unit is connected to a second potential source. A second terminal and a fourth terminal of the last magnetic sensor unit are connected to constitute a sensor output terminal. The first terminal of each of the magnetic sensor units excluding the first magnetic sensor unit is connected to the second terminal of the next magnetic sensor unit and the third terminal thereof is connected to the fourth terminal of the next magnetic sensor unit. | 2013-09-26 |
20130249532 | Probing Chips during Package Formation - A method includes bonding a first package component on a first surface of a second package component, and probing the first package component and the second package component from a second surface of the second package component. The step of probing is performed by probing through connectors on the second surface of the second package component. The connectors are coupled to the first package component. After the step of probing, a third package component is bonded on the first surface of the second package component. | 2013-09-26 |
20130249533 | Multifunction Test Instrument Probe - A multifunction test instrument probe includes a housing having a hollow bore with an open end. A clamp plunger is carried in the hollow bore, with a first end including a thumb press, and a second end including an alligator clamp having a pair of jaws, with a compression spring normally biasing the thumb press away from the housing, and normally biasing the alligator clamp substantially within the hollow bore proximate the open end. A point plunger is also carried in the bore, with a first end including a thumb press, and a second end terminating in a point, with a second compression spring normally biasing the thumb press away from the housing, and biasing the point within the hollow bore proximate the open end. When the clamp plunger is depressed, the alligator clamp is extended from the open end and the jaws are urged open by a jaw spring, and when the clamp plunger is released, the compression spring acts to retract the alligator clamp back towards the hollow bore and the jaws are urged closed by contact with the open end. When the point plunger is depressed, the point is extended from the open end. When the clamp plunger is again depressed, the point retracts into the housing. | 2013-09-26 |
20130249534 | MEASURING DEVICE - A measuring device ( | 2013-09-26 |
20130249535 | SENSOR ARRANGEMENT TO DETERMINE ROTATIONAL SPEEDS - A sensor arrangement and method for an inductively rotational sensor consisting of a remote clone coil connected to a processor. The clone coil is located between a proximity sensor including a sensor and a rotating target so that when in an input or interrogatory mode rotational speed of the targets on a rotatable body is detected by the clone coil as a base rotational speed. The processor and the clone coil in an injection or output mode presenting emulating pulses to the sensor to mask the normal sensor coil to target interaction so the sensor coil sees the emulating pulses as the indicator of rotational speed. The emulating pulses proportional to the base speed and adjustable to desired levels of variation from the base speed as a reference. | 2013-09-26 |
20130249536 | Motion Sensor, Method, and Computer-Readable Storage Medium Providing a Motion Sensor with a Validated Output Signal From the Motion Sensor - A motion sensor has an output protocol processor configured to provide a validated output signal after a determined time period, wherein the determined time period is extended if a vibration is detected. | 2013-09-26 |
20130249537 | Solenoid valve having a condition monitoring unit, and a method of condition monitoring a solenoid valve - A solenoid valve having a condition monitoring unit, and a method of condition monitoring this solenoid valve are specified. A core of the solenoid valve can be shifted with respect to a holding coil 4 and a measuring coil. A reading voltage is applied to the measuring coil, and the current intensity of a current flowing through the measuring coil is determined at a first and a second time. The first measuring is performed during a switching-on or switching-off operation of the current flowing through the measuring coil. The second measuring is performed when the current intensity of the current flowing through the measuring coil 6 has reached a stationary condition. | 2013-09-26 |
20130249538 | ROTATION ANGLE AND TORQUE DETECTION DEVICE - A rotation angle and torque detection device includes a first rotating body, a second rotating body, a first magnet, a first magnetism detecting element, a first detecting body, a second magnet, a second magnetism detecting element, a second detecting body, a third magnet, a third magnetism detecting element, and a control circuit. The control circuit outputs a rotation torque signal and a rotation angle signal. The first magnetism detecting element outputs a torque detection signal. | 2013-09-26 |
20130249539 | Detection of a Metal or Magnetic Object - A measuring device for detecting a metal object includes an emission coil configured to produce a magnetic field and a compensation network which is connected to the emission coil. A differential voltage is applied between the emission coil and the compensation network. The measuring device also includes a control device configured to supply the emission coil and the compensation network with alternating voltages such that the value of an alternating voltage component of the differential voltage, which is time synchronized with the alternating voltage, is minimized. The control device is configured to detect the metal object when a ratio of the alternating voltages does not correspond to a ratio of the flows flowing through the emission coils and the compensation network. | 2013-09-26 |
20130249540 | EDDY CURRENT ARRAY PROBE AND METHOD FOR LIFT-OFF COMPENSATION DURING OPERATION WITHOUT KNOWN LIFT REFERENCES - The invention provides a method for compensating the sensitivity variations induced by lift-off variations for an eddy current array probe. The invention uses the eddy current array probe coils in two separate ways to produce a first set of detection channels and a second set of lift-off measurement channels without the need to add coils dedicated to the lift-off measurement operation. Another aspect of the invention provides an improved calibration process which combines the detection and lift-off measurement channel calibration on a simple calibration block including a reference defect without the need of a pre-defined lift-off condition. | 2013-09-26 |
20130249541 | MOVABLE COIL SCANNER SYSTEMS AND METHODS - A system, such as a magnetic immunity testing system, can include a first coil configured to generate a first magnetic field. The first coil can be disposed on a first side of a scanning volume and can have a first feed for supplying electric current to the first coil. A second coil can be similarly configured on an opposite side of a scanning volume, and a second magnetic field from the second coil can be combined with the first magnetic field to form a combined magnetic field. The coils can be provided with transporters that translate coils in at least one dimension. The system can also include a controller that is configured to control the transporters and the feeds to provide the combined magnetic field as a controlled and calibrated magnetic field over the scanning volume. | 2013-09-26 |
20130249542 | FOLDABLE SUBSTRATE - A foldable substrate is provided that includes a first substrate portion with a first upper surface and a second substrate portion with a second upper surface. A foldable bridge portion couples the first substrate portion to the second substrate portion. The foldable bridge portion includes a coupling strip that extends from the first substrate portion to the second substrate portion with a gap corresponding to a portion of the coupling strip where the gap is defined between the first and second substrate portions by removing portions of a starting wafer substrate. The first and second portions, in one embodiment, include magnetic field sensors and the foldable bridge portion can be bent to arrange the two portions at a predetermined angle to one another. Once bent, the sensor package can be incorporated into a magnetic field sensor assembly to be integrated with other control circuitry. | 2013-09-26 |
20130249543 | Correction Circuit for Output Duty of Hall Element, Hall Sensor and Method of Correcting Output Duty of Hall Element - Disclosed herein are a correction circuit for output duty of a Hall element, a Hall sensor, and a method of correcting the output duty of the Hall element. According to an exemplary embodiment of the present invention, the correction circuit includes an amplification and output unit for amplifying an output of the Hall element and outputting a sqaure wave signal; a duty detection unit for detecting a duty ratio of the sqaure wave signal output by the amplification and output unit; and a duty correction unit for applying a feedback correction signal to the amplification and output unit accoring to the detected duty ratio. | 2013-09-26 |
20130249544 | Magnetic Field Sensor Integrated Circuit with Integral Ferromagnetic Material - A magnetic field sensor includes a lead frame, a semiconductor die supporting a magnetic field sensing element, a non-conductive mold material enclosing the die and a portion of the lead frame, a ferromagnetic mold material secured to the non-conductive mold material and a securing mechanism to securely engage the mold materials. The ferromagnetic mold material may comprise a soft ferromagnetic material to form a concentrator or a hard ferromagnetic material to form a bias magnet. The ferromagnetic mold material may be tapered and includes a non-contiguous central region, as may be an aperture or may contain the non-conductive mold material or an overmold material. Further embodiments include die up, lead on chip, and flip-chip arrangements, wafer level techniques to form the concentrator or bias magnet, integrated components, such as capacitors, on the lead frame, and a bias magnet with one or more channels to facilitate overmolding. | 2013-09-26 |
20130249545 | PIEZOELECTRICALLY ACTUATED MAGNETIC-FIELD SENSOR - A magnetic-field sensor that provides an output signal in response to an external magnetic field is described. This magnetic-field sensor includes a pair of cantilevers separated by a horizontal gap, which is displaced vertically over an open cavity by applying a time-varying voltage having a fundamental frequency across piezoelectric layers in the pair of cantilevers. The pair of cantilevers also includes magnetic-flux concentrators that convey the external magnetic field to the horizontal gap between the pair of cantilevers. A stationary magnetoresistive sensor in the horizontal gap transforms the external magnetic field into an output signal. Because the pair of cantilevers is displaced vertically at the fundamental frequency, the output signal includes a modulation signal corresponding to the external magnetic field centered around twice the fundamental frequency. This modulation of the external magnetic field allows 1/f noise to be suppressed, thereby improving the sensitivity of the magnetic-field sensor. | 2013-09-26 |
20130249546 | INTEGRATED CIRCUIT PACKAGE HAVING A SPLIT LEAD FRAME - A magnetic field sensor includes a lead frame having a plurality of leads, at least two of which have a connection portion and a die attach portion. A semiconductor die is attached to the die attach portion of the at least two leads. In some embodiments, at least one passive component is attached to the die attach portion of at least two leads. | 2013-09-26 |
20130249547 | Fast analysis method for non-invasive imaging of blood flow using vessel-encoded arterial spin labelling - Arterial spin labelling (ASL) MRI offers a non-invasive means to create blood-borne contrast in vivo for dynamic angiographic imaging. By spatial modulation of the ASL process it is possible to uniquely label individual arteries over a series of measurements, allowing each to be separately identified in the resulting images. This separation requires appropriate analysis for which a general framework has previously been proposed. Here the general framework is modified for fast analysis of non-invasive imaging of blood flow using vessel encoded arterial spin labelling (VE-ASL). This specifically addresses the issues of computational speed of the analysis and the robustness required to deal with real patient data. The modification applies various approaches for estimation of one or more parameters that change the way a vessel, for example an artery, is encoded to provide the fast analysis. | 2013-09-26 |
20130249548 | METHOD AND CONTROL DEVICE TO OPERATE A MAGNETIC RESONANCE SYSTEM - In a method and a control device for operation of a magnetic resonance tomography system to generate image data, multiple of slices in an examination subject are initially excited at a first time interval by a respective RF slice excitation pulse of a series of spatially selective slice excitation pulses. An RF refocusing pulse is then emitted at a second time interval after the first excitation pulse or after the last excitation pulse of the series of RF slice excitation pulses. At least one additional RF refocusing pulse is emitted at a third time interval after a preceding RF refocusing pulse. The third time interval is twice as long as the second time interval. The width of the RF refocusing pulses is selected to generate a number of chronologically separate echo signals per RF refocusing pulse for simultaneous refocusing of all excited slices. | 2013-09-26 |
20130249549 | DETERMINATION OF A MAGNETIC RESONANCE SYSTEM CONTROL SEQUENCE - In method and a control sequence determination device to determine a magnetic resonance system control sequence that includes at least one radio-frequency pulse train to be emitted by a magnetic resonance system, a target magnetization (m) is initially detected, and an energy distribution function in k-space is determined on the basis of the target magnetization. A k-space trajectory is then determined under consideration of the energy distribution function in k-space, for which the radio-frequency pulse train is then determined in an RF pulse optimization method. The method is suitable for operation of a magnetic resonance system, and a magnetic resonance system includes such a control sequence determination device. | 2013-09-26 |
20130249550 | METHOD AND MAGNETIC RESONANCE SYSTEM TO ACQUIRE MR DATA IN A PREDETERMINED VOLUME SEGMENT OF AN EXAMINATION SUBJECT - In a method and a magnetic resonance (MR) system, a marked area is determined that demarcates a predetermined volume segment of the subject relative to the regions adjacent thereto. Nuclei in the predetermined volume segment are excited, or nuclei in a region adjacent thereto are saturated with an RF excitation pulse at the same time a magnetic field gradient is activated. The center frequency of a frequency range of the RF excitation pulse and the direction of the magnetic field gradient are adjusted dependent on resonant frequencies of substances present within the predetermined volume segment in order, starting from the predetermined volume segment to shift an actual excitation volume segment excited by the RF excitation pulse toward the marked area, or to shift a saturation volume saturated by the RF excitation pulse away from the marked area. MR data are then acquired from the predetermined volume segment. | 2013-09-26 |
20130249551 | METHOD AND APPARATUS TO DETERMINE A COMPLETE PARAMETER OF A MAGNETIC RESONANCE PULSE SEQUENCE - In a method to determine a complete parameter of a pulse sequence composed of multiple pulse sequence modules for operating a magnetic resonance examination apparatus parameter information of the pulse sequence modules is stored in a memory in leaves and nodes of a tree structure, and the parameter information stored in the tree structure is evaluated to determine the complete parameter of the pulse sequence. | 2013-09-26 |
20130249552 | MAGNETIC RESONANCE IMAGING APPARATUS AND MAGNETIC RESONANCE IMAGING METHOD - A magnetic resonance imaging apparatus according to an embodiment includes a collecting unit and an indentifying unit. The collecting unit collects at least one frequency spectrum out of a plurality of frequency spectra by performing a pre-scan in which a first substance is frequency-selectively suppressed or enhanced. The indentifying unit analyzes the frequency spectra and identifies a resonance frequency of a second substance on the basis of analysis results. | 2013-09-26 |
20130249553 | MR IMAGING USING A MULTI-POINT DIXON TECHNIQUE - The invention relates to a method of MR imaging of at least a portion of a body ( | 2013-09-26 |
20130249554 | MR IMAGING USING A MULTI-POINT DIXON TECHNIQUE - The invention relates to a method of MR imaging of at least a portion of a body ( | 2013-09-26 |
20130249555 | MRI DATA ACQUISITION, RECONSTRUCTION AND CORRECTION METHODS FOR DIFFUSION WEIGHTED IMAGING (DWI) AND DIFFUSION TENSOR IMAGING (DTI) AND RELATED SYSTEMS - Methods, systems, computer programs, circuits and workstations are configured to generate MRI images using gradient blips for signal acquisition and reconstruction using dynamic field mapping, TE corrections and/or multischeme partial Fourier images. | 2013-09-26 |
20130249556 | MATERIAL FOR USE IN A MAGNETIC RESONANCE INSTALLATION, METHOD FOR MANUFACTURING SAID MATERIAL, AND MAGNETIC RESONANCE INSTALLATION - A material for a magnetic resonance installation is provided, wherein the material includes a support material and a magnetic doping material which is admixed in a specific proportion. The doping material exhibits an anisotropic susceptibility. In respect of the anisotropic susceptibility, the doping material exhibits a mean orientation along a predefined direction. An essentially homogeneous intermixture of the support material and the doping material is present within a volume of the material which is smaller than 1 mm | 2013-09-26 |
20130249557 | MATERIAL FOR USE IN A MAGNETIC RESONANCE SYSTEM, METHOD FOR PRODUCING THE MATERIAL AND MAGNETIC RESONANCE SYSTEM - A material for use in a magnetic resonance system includes a carrier material and a doping material. The carrier material and the doping material are admixed in a specific proportion. A volume of the material smaller than 1 mm | 2013-09-26 |
20130249558 | Electronic interface for NMR receiver resonators - An electronic interface (10) between a pure NMR receiver resonator (RO) and a preamplifier is characterized in that one or more control diodes (D | 2013-09-26 |
20130249559 | Multi-Layer Cushion for Optimum Adjustment to Anatomy and for Susceptibility Adjustment - A shim cushion for a magnetic resonance tomography system includes at least two layers. A first layer of the at least two layers includes both a higher deformability and also a lower susceptibility than a second layer of the at least two layers. | 2013-09-26 |
20130249560 | MAGNETIC RESONANCE IMAGING APPARATUS - According to one embodiment, an MRI apparatus includes a data acquisition system and a control system. The data acquisition system acquires MR signals from a subject. The control system acquires the MR signals by controlling the data acquisition system to generate image data. The data acquisition system has a WB coil, an RF coil and a breaker circuit. The WB coil applies the RF magnetic field to the imaging area. The RF coil applies the RF magnetic field to the imaging area when an RF pulse has been applied from the control system through a connector. The RF coil is set inside the WB coil. The breaker circuit electrically breaks a part of a circuit constituting the RF coil when the connector of the RF coil has been disconnected to the control system. | 2013-09-26 |
20130249561 | MULTI-AXIAL ANTENNA AND METHOD FOR USE IN DOWNHOLE TOOLS - Embodiments of a multi-axial antenna system and system for measuring subsurface formations are generally described herein. Other embodiments may be described and claimed. In some embodiments, the multi-axial antenna system comprising at least two co-located coils wound around a torroidal-shaped bobbin. Each coil generates a magnetic field in a mutually orthogonal direction. Signals provided to the coils may be adjusted to simulate a tilted-coil antenna system. | 2013-09-26 |
20130249562 | INTERNAL RESISTANCE MEASUREMENT DEVICE AND METHOD FOR STACKED BATTERY - An internal resistance measurement device for stacked battery includes an AC power supply part for outputting an AC current to an measurement-object, which includes at least a stacked battery made of a plurality of stacked power generating elements, by being connected to the measurement-object, an AC adjusting part for adjusting an AC current so that a positive-electrode AC potential difference, which is a potential difference obtained by subtracting potential in a middle portion from potential in a portion connected to a load device on the positive side of the measurement-object, matches a negative-electrode AC potential difference, which is a potential difference obtained by subtracting potential in the middle portion from potential in a portion connected to the load device on the negative side of the measurement-object, and a resistance calculating part for calculating resistance of the battery based on the adjusted AC current and the AC potential difference. | 2013-09-26 |
20130249563 | COLD CATHODE FAST RESPONSE SIGNAL - A fast response output signal circuit ( | 2013-09-26 |
20130249564 | SYSTEM AND METHOD TO DETECT A SHORT TO GROUND OF AN EXTERNAL SENSOR RETURN LINE - A controller, a system, and a method to detect a short to ground condition of a return line of an external sensor that outputs a sensor signal relative to the return line. A ground switch that electrically connects the return line to a ground potential when the ground switch is in the closed state is momentarily opened, and one or more sensor signals are checked to determine if the sensor signals change as expected when the ground switch is opened. If a value change of a sensor signal is less than a threshold value when the ground switch is switched from the closed state to the open state, then a short to ground condition of the return line is indicated. | 2013-09-26 |
20130249565 | POWER STORAGE APPARATUS, MOBILE DEVICE, AND ELECTRIC-POWERED VEHICLE - Provided is a power storage apparatus having an impedance measuring function and is capable of, when the apparatus has a large number of power storage elements connected in series, judging a deteriorated power storage element in a short period of time. The power storage apparatus having the impedance measuring function measures and compares impedances of power storage units in a high-voltage side half and a low-voltage side half using a first judgment circuit, measures impedances of high-voltage side and low-voltage side power storage elements by selectively using a second judgment circuit installed adjacent to a power storage unit judged to have a large impedance. With this, the power storage apparatus identifies a power storage element that has high impedance among the whole and its impedance, and detects and displays deterioration or malfunction through a threshold-value judgment. | 2013-09-26 |
20130249566 | Kelvin Sense Probe Calibration - Calibrating automatic test systems for testing electronic components using Kelvin probes is taught. A nominal contact resistance of a Kelvin probe is measured using a test slug to replace an electronic component to be measured on the test system. The measured resistance is stored by the test system and can be used to compensate for a measured value for an electronic component. A test slug can be periodically inserted into the test system to update the contact resistance measure and/or track the contact resistance to measure Kelvin probe wear and/or contamination. | 2013-09-26 |
20130249567 | CAPACITIVE LOAD TESTING DEVICE OF POWER SUPPLY - A device for testing capacitive loads of a power supply includes a controller, a power supply switching circuit, a capacitive load switching circuit, and a current sampling circuit. The power supply switching circuit selects one of output voltages of the power supply to be electronically connected to the capacitive load switching circuit and the current sampling circuit. The current sampling circuit samples an output current of one output of the power supply selected by the controller. The controller turns on and off switches of the capacitive load switching circuit for matching an output current of the power supply with a reference current until the output current equals to the reference current. The controller outputs a total magnitude of the capacitive loads. | 2013-09-26 |