05th week of 2012 patent applcation highlights part 22 |
Patent application number | Title | Published |
20120025738 | Method for Controlling a Lighting System - A method for controlling a lighting system by means of an operating element and at least one color display, wherein the color display ( | 2012-02-02 |
20120025739 | LED ILLUMINATING DEVICE, AND DISPLAY DEVICE PROVIDED WITH THE LED ILLUMINATING DEVICE - In order to obtain an LED illuminating device which reduces the wire connection cost by reducing the number of wiring lines and which can also reduce the substrate cost even with a configuration in which the light-emitting surface is formed by combining a plurality of LED unit substrates and in order to obtain a display device which reduces the manufacturing cost by using this LED illuminating device, an LED illuminating device | 2012-02-02 |
20120025740 | LIGHTING DEVICE - It is presented a lighting device ( | 2012-02-02 |
20120025741 | CHARGED PARTICLE ACCELERATOR - In a charged particle accelerator, voltage of several tens of kV is applied between accelerating electrodes. In such a case, electric discharge is sometimes generated between the accelerating electrodes. In the charged particle accelerator, part or entirety of the accelerating electrodes is coated with an electric discharge suppressing layer made of ceramics or alloy having a high melting point as compared with metal. When impurity fine particles are accelerated by an electric field and collide with the electrodes, the electric discharge suppressing layer made of ceramics or alloy prevents metal vapor from being easily generated from the electrodes and an ionized plasma from being easily produced, thus suppressing electric discharge between the electrodes. | 2012-02-02 |
20120025742 | VIBRATION GENERATING APPARATUS - A vibration generating apparatus with high yield, low cost, and can exhibit vibration tactile haptic effects even with variation in the natural frequency of a mechanical vibrator, including a damping system having a damping ratio ζ<1 to support a mechanical vibrator to a fastening part, and a magnetizing unit generating a dynamic magnetic field to vibrate the mechanical vibrator by non-contact, the mechanical vibrator generating a beat vibration by making the frequency of a drive voltage applied to the magnetizing unit, from a drive start or middle of drive, to be a non-resonant frequency out of a damped natural frequency of the mechanical vibrator, wherein the apparatus comprises a forced vibration control unit controlling to stop application of the drive voltage, in a beat wave defining an amplitude of the beat vibration, at a second valley part after a first peak part from the side of the drive start. | 2012-02-02 |
20120025743 | CONTROL APPARATUS FOR VIBRATION WAVE DRIVEN APPARATUS - A control apparatus detects the relative position between a vibration member and a driving-member-side vibration detection portion on the basis of a signal that shows a vibrational state of the vibration member and a signal output from the driving-member-side vibration detection portion, the driving-member-side vibration detection portion being provided on a driving member and detecting a vibration of the driving member. | 2012-02-02 |
20120025744 | BATTERY PACK AND ELETRICAL TRANSFER APPARATUS INCLUDING SAME - A battery pack includes: a first battery cell group including at least one high capacity battery cell; and a second battery cell group including at least one high output battery cell and being coupled in parallel to the first battery cell group, wherein the high output battery cell is configured to output a greater current than the high capacity battery cell, the high capacity battery cell is configured to store a greater amount of electric energy compared to the high output battery cell, and the battery pack is configured to operate in one of operational modes including: a high capacity mode for outputting electric energy stored in the first battery cell group; a high output mode for outputting electric energy stored in the second battery cell group; and a mutual charge mode for charging the first battery cell group or the second battery cell group. | 2012-02-02 |
20120025745 | CONTROL CIRCUIT OF AN ELECTRIC MOTOR WITH A MEASURE DELAY COMPENSATION AND MOTOR SYSTEM COMPRISING THE CIRCUIT - A control circuit controls an electric motor and includes: a measuring device configured to measure a first phase current of the motor and provide a corresponding first analog signal; an analog-to-digital converter structured to convert the first analog signal into a first digital signal; a conversion module for generating a first converted digital signal representative of the first digital signal expressed in a rotating reference system; a node structured to compare the first converted digital signal into a first reference signal and generate a first error signal; and a measure control circuit structured to provide a timing signal of the analog-to-digital converter depending on the first error signal and a time delay introduced by the measuring device. | 2012-02-02 |
20120025746 | MOTOR, ELECTRIC EQUIPMENT, AND METHOD OF MANUFACTURING MOTOR - In a motor driven by a drive circuit such as an inverter, there is a problem that electric current flowing through a bearing causes electric corrosion, which impairs the durability of the bearing. A motor of the invention includes: a stator in which a winding is applied through an insulating part to a stator core formed by laminating a predetermined number of electromagnetic steel plates which have been punched into a predetermined shape; a rotor assembly in which a rotor and bearings and formed by rolling bearings are fitted to a shaft; a printed wiring board which is arranged at an end part of the stator in an axial direction and to which a drive circuit is mounted; a bracket imposed to at least the end part of the stator in the axial direction to which the printed wiring board is arranged; and a conductive sheet provided between the printed wiring board and the bracket. | 2012-02-02 |
20120025747 | METHOD OF OPERATING AN ELECTROMECHANICAL CONVERTER, A CONTROLLER AND A COMPUTER PROGRAM PRODUCT - The invention relates to a method of operating an electromechanical converter, in particular an electric variable transmission, provided with a primary shaft having a rotor mounted thereon, a secondary shaft having an interrotor mounted thereon, and a stator, fixedly mounted to the housing of the electromechanical converter, wherein, viewed from the primary shaft in radial direction, the rotor, the interrotor and the stator are arranged concentrically relative to each other. The rotor and the stator are designed with one or more windings. Further, the interrotor forms one whole both mechanically and electromagnetically, and is arranged as a conductor for magnetic flux in an at least tangential direction. The method comprises the step of variably controlling a magnetic rotor flux. | 2012-02-02 |
20120025748 | METHOD FOR STARTING A SINGLE-PHASE INDUCTION MOTOR - The invention relates to a method ( | 2012-02-02 |
20120025749 | CONTROL SYSTEM OF THREE PHASE INDUCTION MOTOR DRIVER AND FIELD WEAKENING CONTROL METHOD THEREOF - A control system of a three phase induction motor driver and a field weakening control method. The control system includes a driver control module, a field weakening control module, an AC power source, a power loop module, a current sensing module, and an AC motor module. A switching period of an inverter PWM control is used for the AC motor and an inverter control thereof to analyze and obtain the difference value of the sum of effective switching times. The field weakening control module generates an adaptive magnetizing current command in real time to achieve a maximum utilization of a DC link voltage so as to let the AC motor module achieve maximum output torque under different field weakening regions of different speeds when a rated speed is exceeded. | 2012-02-02 |
20120025750 | Portable Solar Power System - A portable solar power system, comprises a plurality of photovoltaic solar panels; storage batteries for storing energy generated by the photovoltaic solar panels; a charger operably connected to the photovoltaic solar panels for charging the storage batteries; a plurality of inverters operably connected to the respective photovoltaic solar panels for generating an AC output for connection to an outlet for feeding into an electric grid; and a switching circuit for automatically disconnecting the photovoltaic solar panels from the inverters and connecting the photovoltaic solar panels to the charger when power in the electric grid is down. | 2012-02-02 |
20120025751 | PHOTOVOLTAIC SYSTEM - A photovoltaic system for generating an output voltage that is uninfluenced by varying irradiation, includes a photovoltaic source having an input terminal and an output terminal. The photovoltaic system includes a voltage adding arrangement having a first input terminal and an output terminal. The voltage adding arrangement is connected in series with the photovoltaic source, and includes a first route having a voltage source and a second route as a voltage source bypass. The first and second routes extend between the first input terminal and the output terminal of the voltage adding arrangement. The first and second routes being alternately activateable. | 2012-02-02 |
20120025752 | BATTERY CHARGER - The invention provides advances in the arts with useful and novel battery charger circuits and methods providing improved energy conservation, harvesting, and utilization efficiencies. | 2012-02-02 |
20120025753 | Multiple Stage Heterogeneous High Power Battery System for Hybrid and Electric Vehicle - A multiple stage battery system has significantly improved battery life in hybrid and electric motorized vehicle. At least two segments of battery packs are charged and discharged with two different battery management strategies, one handles transient energy needs and the other copes with cruise energy needs. The primary segment of battery are charged and discharged within a controlled State of Charge (SOC) range at a set point, it stores relatively less energy but supplies relative high impulse current during charge and discharge. The secondary segments have larger energy capacity, and are charged and discharged at constant current mode in deep cycling, near complete full charge and full discharge. These two segments of batteries could be different type of chemistry, i.e. NiMH, NiCD and Li-ion. This results in longer overall battery life and higher usable capacity for high power battery operations. | 2012-02-02 |
20120025754 | BATTERY HEATING CIRCUITS AND METHODS USING RESONANCE COMPONENTS IN SERIES BASED ON CHARGE BALANCING - Certain embodiments of the present invention disclose a battery heating circuit, wherein: the battery comprises a battery E | 2012-02-02 |
20120025755 | CIRCUITS AND METHODS FOR HEATING BATTERIES IN PARALLEL USING RESONANCE COMPONENTS IN SERIES - Certain embodiments of the present invention provide a battery heating circuit, wherein: the battery comprises a first battery and a second battery; the heating circuit comprises a first switch unit, a second switch unit, a damping component R | 2012-02-02 |
20120025756 | CIRCUITS AND METHODS FOR HEATING BATTERIES IN SERIES USING RESONANCE COMPONENTS IN SERIES - Certain embodiments of the present invention provide a battery heating circuit, wherein: the battery comprises a first battery (E | 2012-02-02 |
20120025757 | RADIO FIELD INTENSITY MEASUREMENT DEVICE, AND RADIO FIELD INTENSITY DETECTOR AND GAME CONSOLE USING THE SAME - The present invention provides a radio field intensity measurement device having a display portion with improved visibility, in the case of measuring a weak radiowave from a long distance. In the radio field intensity measurement device, a battery is provided as a power source for power supply and the battery is charged by a received radiowave. When a potential of a signal obtained from the received radiowave is higher than an output potential of the battery, the power is stored in the battery. On the other hand, when the potential of the signal obtained from the received radiowave is lower than the output potential of the battery, power produced by the battery is used as power to drive the radio field intensity measurement device. As an element to display the radio field intensity, a thermochromic element or an electrochromic element is used. | 2012-02-02 |
20120025758 | CONTACTLESS POWER TRANSFER SYSTEM - A contactless charging system is presented. The contactless charging system includes an electrical outlet coupled to a power source and comprising a primary coil. An inlet on a vehicle comprising a dielectric region is disposed within a cavity. A secondary coil is disposed within the cavity and coupled to a storage module. A field focusing element is disposed proximate the dielectric region and configured to focus a magnetic field. | 2012-02-02 |
20120025759 | Electric Charger for Vehicle - A charger for an electric vehicle is provided. The charge provides for multiple inputs that are combined to provide a single output at higher charging level. The charger includes a toroidal transformer that is electrically coupled between the multiple inputs and the output. The charge may also include a connection to allow an electrical vehicle to communicate with external controllers or servers. | 2012-02-02 |
20120025760 | FEED SYSTEM, FEED APPARATUS, AND ELECTRONIC DEVICE - A feed system includes a plurality of electronic devices; and a feed apparatus having a power transmission section performing electric power transmission using a magnetic field to the plurality of electronic devices. Each of the electronic devices includes a power receiving section receiving electric power transmitted from the power transmission section, and a switching section switching whether or not to carry out charging operation based on the electric power received by the power receiving section, according to time sharing control by a system control section. | 2012-02-02 |
20120025761 | RESONANCE TYPE NON-CONTACT POWER SUPPLY SYSTEM FOR VEHICLE AND ELECTRIC VEHICLE - A resonance type non-contact power supply system is provided that includes power supplying equipment and an electric vehicle. The power supply equipment includes an alternating-current power source and a primary-side resonance coil for receiving power from the alternating-current power source. The electric vehicle includes power receiving equipment and a vehicle height control device mounted on the electric vehicle. The power receiving equipment includes a secondary-side resonance coil that receives power from the primary-side resonance coil, a rectifier that rectifies the power received by the secondary-side resonance coil, and an electrical storage device, to which the power rectified by the rectifier is supplied. A resonance system that includes the primary-side resonance coil and the secondary-side resonance coil is configured such that impedance thereof is adjusted by the use of the vehicle height control device when the electrical storage device is charged. | 2012-02-02 |
20120025762 | METHOD FOR OPTIMIZED DESIGN AND OPERATION OF BATTERY COOLING SYSTEM IN ELECTRIC VEHICLES - A method and system for controlling temperature in an electric vehicle battery pack such that battery pack longevity is preserved, while vehicle driving range is maximized. A controller prescribes a maximum allowable temperature in the battery pack as a function of state of charge, reflecting evidence that lithium-ion battery pack temperatures can be allowed to increase as state of charge decreases, without having a detrimental effect on battery pack life. During vehicle driving, battery pack temperature is allowed to increase with decreasing state of charge, and a cooling system is only used as necessary to maintain temperature beneath the increasing maximum level. The decreased usage of the cooling system reduces energy consumption and increases vehicle driving range. During charging operations, the cooling system must remove enough heat from the battery pack to maintain temperatures below a decreasing maximum, but this has no impact on driving range. | 2012-02-02 |
20120025763 | CHARGING SYSTEM OF MOBILE VEHICLE AND METHOD FOR OPERATING THE SAME - A charging system of a mobile vehicle and a method for operating the same are provided to receive and convert an external AC source into a DC source for charging the mobile vehicle. First, a high DC voltage is outputted through a charging apparatus. Afterward, the high DC voltage is received and converted by a DC power conversion apparatus in the mobile vehicle, thus the required voltage level of the high DC voltage is provided for a rechargeable battery. Finally, the DC power conversion apparatus is controlled through a vehicle controller to provide the desired charging current for the rechargeable battery. The DC power conversion apparatus is installed in the mobile vehicle so that the rechargeable battery is protected by the DC power conversion apparatus. In addition, an adaptive charging manner is provided according to operating conditions of the rechargeable battery, thus increasing charging reliability, security, and speed. | 2012-02-02 |
20120025764 | CHARGING STAND FOR ELECTRIC VEHICLE - Disclosed is a charging stand for an electric vehicle, the charging stand including a main body, a door coupled to the main body in such a way as to be opened or closed, and an alarm device generating an alarm if the door is opened, wherein the alarm device has a door sensing unit causing a change in impedance if the door is opened, a controller receiving a signal transmitted from the door sensing unit, and a switching circuit activated by the controller to generate an alarm or store an alarm history, so that the charging stand is advantageous in that the opening of the door can be precisely detected, and the alarm history can be checked later. | 2012-02-02 |
20120025765 | Charge State Indicator for an Electric Vehicle - One embodiment of the present subject matter includes a battery mounted to a vehicle, with a charge state circuit located in the electric vehicle and coupled to the battery, the charge state circuit configured to provide a charge state signal indicative of the charge state of the battery. The embodiment includes a charging coupler port located proximate to a user accessible exterior of the electrical vehicle and coupled to the battery, the charging coupler port to conduct charging energy to the battery and to provide a charger connection signal indicative of a connection to an external power source. The embodiment also includes a lighting circuit coupled to the charging coupler port and the charge state circuit to control the brightness and color of an illuminated indicator responsive to the charge state signal and the charger connection signal. | 2012-02-02 |
20120025766 | Charging Apparatus and Portable Power Supply - A portable battery box is described. The portable battery box is suitable for charging and housing a battery and comprises: a charging apparatus for charging a battery; a hollow lid shell and a hollow base shell for housing a rechargeable battery, the base hollow shell including a base wall, a top wall and at least one side wall extending between the base and top walls; and at least one handle disposed in a respective one of the side walls of the hollow base shell. Also described is a method for monitoring the charging of a battery in use disposed within a battery box, the method including the steps of: measuring first charging and/or discharging parameters at selected time intervals; estimating selected other charging parameters at selected time intervals; and displaying the first and other charging or discharging parameters on a display screen associated with the battery box, the charging or discharging parameters being selected from the group consisting of: battery voltage; charging cycle; time to charge completion; time to discharge completion; condition of the battery; battery charging current; battery discharging current. | 2012-02-02 |
20120025767 | POWER SUPPLY DEVICE AND POWER SUPPLYING METHOD FOR POWER SUPPLY DEVICE - A power supply device includes a battery, a charging part charging the battery, a power input to receive adapter power from an adapter supplied with external power or power output from a similarly configured power supply device, a power output part to output the adapter power, the power output of a similarly configured power supply device, or the battery power of the battery, and a controller to control the input power to apply power to the charging part and the power output part when the input power is supplied to the power input part, and to control the battery to apply power to the power output part when the input power is not supplied to the power input part. Thus, the power supply device is capable of applying power from an adapter to a portable electronic device while charging an internal battery with the adapter power. | 2012-02-02 |
20120025768 | POWER SUPPLY DEVICE HAVING PRECHARGING CIRCUIT FOR CHARGING CAPACITOR - A power supply device includes a battery | 2012-02-02 |
20120025769 | Battery System for Vehicle - A battery system for a vehicle is provided with discharge circuits (R | 2012-02-02 |
20120025770 | SECONDARY BATTERY PACK - A secondary battery pack of the present invention includes a secondary battery block | 2012-02-02 |
20120025771 | SWELLING MANAGEMENT IN BATTERIES FOR PORTABLE ELECTRONIC DEVICES - The disclosed embodiments provide a system that manages use of a battery in a portable electronic device. During operation, the system monitors a cycle number of the battery during use of the battery with the portable electronic device, wherein the cycle number corresponds to a number of charge-discharge cycles of the battery. If the cycle number exceeds a first cycle number threshold, the system modifies a charging technique for the battery to manage swelling in the battery. | 2012-02-02 |
20120025772 | BATTERY HEATING CIRCUITS AND METHODS BASED ON BATTERY DISCHARGING AND CHARGING USING RESONANCE COMPONENTS IN SERIES - According to certain embodiments, a battery heating circuit comprises a switch unit | 2012-02-02 |
20120025773 | METHOD OF CHARGING BATTERY AND BATTERY CHARGING CONTROL SYSTEM - A controller in a charging control system controls a charger to heat a battery at a low temperature by pulse charging and discharging up to a desired temperature and then moves to a normal charging mode. The controller calculates an ion concentration of an active material at electrode portions of the battery on the basis of the temperature data and the electric current data obtained, switch the pulse charging and discharging between a charging mode and a discharging mode on the basis of a pulse width when the ion concentration reaches a threshold. | 2012-02-02 |
20120025774 | BATTERY HEATING CIRCUITS AND METHODS USING RESONANCE COMPONENTS IN SERIES - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit | 2012-02-02 |
20120025775 | BATTERY HEATING CIRCUITS AND METHODS USING RESONANCE COMPONENTS IN SERIES BASED ON CURRENT LIMITING AND VOLTAGE INVERSION WITH BI-DIRECTIONALITY - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit | 2012-02-02 |
20120025776 | BATTERY HEATING CIRCUITS AND METHODS WITH RESONANCE COMPONENTS IN SERIES USING VOLTAGE INVERSION - According to some embodiments of the present invention, a battery heating circuit comprises a switch unit | 2012-02-02 |
20120025777 | BATTERY HEATING CIRCUITS AND METHODS WITH RESONANCE COMPONENTS IN SERIES USING ENERGY TRANSFER - According to some embodiments, a battery heating circuit, comprising a switch unit | 2012-02-02 |
20120025778 | BATTERY HEATING CIRCUITS AND METHODS WITH RESONANCE COMPONENTS IN SERIES USING ENERGY TRANSFER AND VOLTAGE INVERSION - According to certain embodiments, a battery heating circuit, comprising a switch unit | 2012-02-02 |
20120025779 | BATTERY HEATING CIRCUITS AND METHODS USING RESONANCE COMPONENTS IN SERIES BASED ON CURRENT LIMITING AND VOLTAGE INVERSION WITH BI-DIRECTIONALITY AND COMMON INDUCTANCE - Certain embodiments of the present invention provide a battery heating circuit, wherein: a battery E, a damping component R | 2012-02-02 |
20120025780 | HEATING CIRCUITS AND METHODS BASED ON BATTERY DISCHARGING AND CHARGING USING RESONANCE COMPONENTS IN SERIES AND FREEWHEELING CIRCUIT COMPONENTS - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit ( | 2012-02-02 |
20120025781 | BATTERY HEATING CIRCUITS AND METHODS BASED ON BATTERY DISCHARGING AND CHARGING USING RESONANCE COMPONENTS IN SERIES AND MULTIPLE CHARGE STORAGE COMPONENTS - Certain embodiments of the present invention provide a battery heating circuit, comprising a plurality of switch units ( | 2012-02-02 |
20120025782 | BATTERY HEATING CIRCUITS AND METHODS USING RESONANCE COMPONENTS IN SERIES AND BRIDGE CHARGE STORAGE COMPONENTS - According to certain embodiments, a battery heating circuit is provided, comprising a first switch unit ( | 2012-02-02 |
20120025783 | BATTERY HEATING CIRCUITS AND METHODS BASED ON BATTERY DISCHARGING AND CHARGING USING RESONANCE COMPONENTS IN SERIES AND CURRENT LIMITING COMPONENTS - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit | 2012-02-02 |
20120025784 | Advanced Charge Balancing System for Lithium Batteries - A method of balancing the terminal voltage across individual and multiple battery cells is described. To employ the method a lithium ion battery having at least two battery cells is provided along with an energy dispersing unit capable of taking energy from individual cells, stepping down individual voltages, and redirecting the voltage to the lowest voltage battery cell. The terminal voltage of individual cells is then monitored during discharge, and discharging cells having a greater terminal voltage are discharged in advance of cells having less terminal voltage. Thereafter establishing a charge algorithm wherein a differential curve is established under specific conditions, and charging current is applied complimentary to the differential curve. | 2012-02-02 |
20120025785 | METHOD FOR MANAGING THE HEAT IN AN ELECTRIC BATTERY - The invention relates to a method for managing the heat in an electric battery including a plurality of elements for generating electric power, the method including, when recharging said battery from an external power source, preconditioning said battery at an average temperature T | 2012-02-02 |
20120025786 | BATTERY-CONTROLLED CHARGING OF A RECHARGEABLE BATTERY - Methods and apparatus for recharging a rechargeable battery ( | 2012-02-02 |
20120025787 | APPARATUS AND ASSOCIATED METHODS - An apparatus comprises a rigid-flex circuit board and an electrolyte, the rigid-flex circuit board comprising first and second rigid regions physically and electrically connected to one another by a flexible region, the flexible region comprising first and second sections each comprising an electrically conductive layer and a capacitive element, wherein the apparatus is configured such that a chamber is defined between the first and second sections with the respective capacitive elements contained therein and facing one another, the chamber comprising the electrolyte, and wherein the apparatus is configured to store electrical charge when a potential difference is applied between the respective capacitive elements. | 2012-02-02 |
20120025788 | LOW-LOSS ZERO CURRENT SWITCHING SHUNT REGULATOR FOR AC ALTERNATOR - A control circuit for use with an AC alternator has a plurality of outlet lines leading from the alternator, each receiving a phase of current generated by the alternator. Tap lines are associated with each of the power lines and are associated with a switch. The switches drain power to a drain when in a first state, and allow the power to pass downstream to a system load when in a second state. A switch control changes the switches between the first and second state. A detector detects when the current signal is approaching a zero crossing between a cycle positive portion and a negative portion. The switch control takes in the information with regard to the approaching zero crossing, and change the switches between the first and second states based upon the detected zero crossing point. An alternator is also disclosed. | 2012-02-02 |
20120025789 | ON-LOAD TAP CHANGER COMPRISING SEMICONDUCTOR SWITCHING ELEMENTS - The invention relates to an on-load tap changer comprising semiconductor switching elements for uninterrupted switching between winding taps of a tapped transformer. According to the invention, contact bars are provided which extend in the direction of the path of the fixed tap contacts and can be contacted using contact bridges that can be jointly moved by a contact slide in such a way that direct electrical connections to the charge diverter and electrical connections to the inputs and the output of the semiconductor switching elements can be established. | 2012-02-02 |
20120025790 | ELECTRONIC CIRCUIT, CIRCUIT APPARATUS, TEST SYSTEM, CONTROL METHOD OF THE ELECTRONIC CIRCUIT - An electronic circuit includes: a first power line capable of supplying power; a second power line capable of supplying power independently from the first power line; a main circuit connected to the second power line; a detector that detects the supply of power from the first power line or the second power line; and a controller connected to the first power line and the second power line, wherein the controller controls a voltage or a current supplied from the first power line and supplies the voltage or the current to the main circuit when the detector detects supply of power from the first power line. | 2012-02-02 |
20120025791 | COUPLED INDUCTORS FOR IMPROVED POWER CONVERTER - The disclosure relates to inductors fabricated on a substrate. A first inductor is formed by depositing conducting material on a first side of the substrate and a second inductor is formed by depositing material on a second side of the substrate. The inductors have the same cross section and the paths of the conducting materials are mirror images and provide magnetic flux on a portion of the substrate when equal currents flow in the inductors. | 2012-02-02 |
20120025792 | CONTROLLERS FOR POWER CONVERTERS - A controller for a power converter includes a first amplification stage and a second amplification stage coupled to the first amplification stage. The first amplification stage generates a first amplified signal at a first terminal of an energy storage element according to an output signal the power converter. The second amplification stage generates a second amplified signal at a second terminal of the energy storage element and varies the second amplified signal in response to a change in the output signal. The second amplification stage further decreases the variation of the second amplified signal based on the first amplified signal. | 2012-02-02 |
20120025793 | OFFSET AND DELAY CANCELLATION CIRCUIT FOR A SWITCHING DC-DC POWER SUPPLY - A control circuit and method of a switching DC-DC power supply detects the error between the output voltage of the power supply and a design value of the output voltage and according to the error, determines an offset adjust signal to adjust the offset of an error comparator of the power supply to pull the output voltage toward the design value. | 2012-02-02 |
20120025794 | DRIVE CONTROLLER - A drive controller for driving an inductive load connected to a node between first and second switches connected in series with a direct current voltage source includes a first diode, a series circuit of a second diode and an inductor, and a control circuit. The first diode is a parasitic diode of the first switch and connected in antiparallel with the first switch. The series circuit is connected in parallel with the first diode. The control circuit drives the inductor load by applying a control voltage to the first switch before applying a first ON-voltage to the second switch. The first ON-voltage turns ON the second switch. The control voltage is greater than zero and less than a second ON-voltage. The second ON-voltage turns ON the first switch. The control voltage causes the first switch to operate in weak inversion. | 2012-02-02 |
20120025795 | COMPARATOR AND DC/DC CONVERTER - There is provided a PWM comparator which needs no current detecting differential amplifier in a control circuit constituting a current mode control DC/DC converter. The comparator includes a differential input stage including two pairs of input differential transistors whose sources are commonly connected for each pair; two constant-current sources connected to the common sources of the pairs of input differential transistors, respectively; a load transistor commonly connected to drain sides of the pairs and performing a current-voltage conversion; and an output stage connected to a point where the differential input stage and the load transistor are connected to each other. A feedback voltage of an output voltage and a slope compensating waveform signal are input to terminals, respectively, of one pair, and voltages at both ends of a current detecting resistor, which is connected in series to the inductor, are input to terminals, respectively, of the other pair. | 2012-02-02 |
20120025796 | SENSING AND FEEDBACK WITH ENHANCED STABILITY IN A CURRENT MODE CONTROL VOLTAGE REGULATOR - The disclosed embodiments of voltage regulators incorporate a current mode control architecture. In one embodiment, a voltage regulator includes a power switch having an input and an output. The power switch is configured to provide a first voltage during a first conduction period and a second voltage during a second conduction period. An output filter is coupled between the power switch output and an output terminal to be coupled to a load. An adjustment device is coupled to sense a current sensing voltage corresponding to a current provided to the output filter. The adjustment device is configured to convert the current sensing voltage to an adjusted current sensing voltage, including replacing a current sensing resistance associated with the current sensing voltage with a reference resistance. Control circuitry includes a current sensing input coupled to the adjustment device to sense the adjusted current sensing voltage, and an output in communication with the power switch input. The control circuitry is configured to cause a transition of the power switch from the second conduction period to the first conduction period responsive to the adjusted current sensing voltage. | 2012-02-02 |
20120025797 | CONTROL CIRCUIT FOR POWER SUPPLY - A control circuit for controlling a power supply including a first switch and a second switch coupled in series between a first potential and a second potential. The control circuit includes a detection circuit that detects a magnitude relation of a voltage value at a node between the first and second switches and a reference value during a period in which the first switch and the second switch are inactivated. The detection circuit generates a control signal corresponding to the magnitude relation. A regulation circuit regulates a switching timing of the second switch in response to the control signal to decrease a difference between the voltage value at the node and the reference value. | 2012-02-02 |
20120025798 | Voltage-modulated circuit device - A voltage-modulated circuit device uses a power source of a modulation circuit to acquire a predetermined trigger voltage through a voltage acquisition circuit and a step-down circuit to step down a voltage, and then a voltage amplification circuit amplifies the voltage by several times, such that the trigger voltage amplified by several times still falling within the range of predetermined voltage values triggers and conducts a switch circuit, and the power source of the modulation circuit can flow from an anode to a cathode in order to supply an electric power with a step-down voltage. With the design of triggering the conduction, the voltage of the modulation circuit can be modulated automatically to maintain the electric power supplied to the circuit device within the range of required voltage values, only if the trigger voltage has the predetermined voltage value. | 2012-02-02 |
20120025799 | SENSING AND FEEDBACK IN A CURRENT MODE CONTROL VOLTAGE REGULATOR - The disclosed embodiments of voltage regulators incorporate a current mode control architecture. In one embodiment, a comparator mechanism triggers a transition in a power switch when the error in the regulated output voltage is equal to a proportionally scaled value of current provided at an output filter. The voltage regulator includes a power switch having an input and an output. The power switch is configured to provide a first voltage during a first conduction period and a second voltage during a second conduction period. An output filter is coupled between the power switch output and an output terminal to be coupled to a load. A comparator mechanism has a reference input coupled to a reference voltage, a feedback input coupled to sense a feedback voltage at the output filter, a current sensing input coupled to sense a current sensing voltage corresponding to a current provided to the output filter, and an output in communication with the power switch input. The comparator mechanism is configured to trigger responsive to a difference between the feedback voltage and the reference voltage equaling the current sensing voltage. The triggering causes a transition of the power switch from the second conduction period to the first conduction period. | 2012-02-02 |
20120025800 | VOLTAGE MODE TRANSMITTER EQUALIZER - A voltage mode transmitter equalizer has high efficiencies, yet consumes substantially constant supply current from the power supply and provides constant back-match impedance. The voltage mode transmitter equalizer is configured such that the output voltage of the signal to be output on a pair of transmission lines can be controlled according to the input data, but its return impedance is substantially matched to the differential impedance of the transmission lines and it draws substantially constant supply current from the power supply regardless of the output voltage of the signal. Further, an equalizer for a voltage-mode transmitter provides fine-granularity equalization settings by employing a variable pull-up conductance and a variable pull-down conductance. Conductance is varied by selectively enabling a plurality of conductance channels, at least some of which have resistance values that are distinct from one another. | 2012-02-02 |
20120025801 | REFERENCE CURRENT SOURCE CIRCUIT INCLUDING ADDED BIAS VOLTAGE GENERATOR CIRCUIT - A MOS resistor generates an output current based on a voltage induced across a drain and a source thereof. A gate bias voltage generator circuit generates a gate bias voltage so as to operate the MOS resistor in a strong-inversion linear region, and applies the gate bias voltage to a gate of the MOS resistor. A drain bias voltage generator circuit generates a drain bias voltage, and applies the drain bias voltage to the drain of the MOS resistor. An added bias voltage generator circuit generates an added bias voltage, which has a predetermined temperature coefficient and includes a predetermined offset voltage, so that the output current becomes constant against temperature changes. The drain bias voltage generator circuit adds the added bias voltage to the drain bias voltage, and applies a voltage of adding results to the drain of the MOS resistor as the drain bias voltage. | 2012-02-02 |
20120025802 | Power Supply For A Load Control Device - A load control device adapted to be coupled between an AC power source and an electrical load for controlling the power delivered to the load includes a power supply having an energy storage capacitor and a charge pump circuit adapted to conduct an input charging current through the load and to conduct an output charging current through the energy storage capacitor to thus generate a DC supply voltage across the energy storage capacitor, where the output charging current has a magnitude greater than the input charging current. The charge pump circuit includes a switched capacitor operable to charge through the load during a first half-cycle, and to discharge into the energy storage capacitor in a second, subsequent half-cycle. The charge pump circuit operates at line frequency and the magnitude of the input charging current is substantially small so as to avoid generating noise in a noise-sensitive circuit of the load control device. | 2012-02-02 |
20120025803 | GEOMETRY SENSOR AND INFORMATION INPUT DEVICE - A geometry sensor includes: a detection surface including a plurality of polymer sensor elements and configured to detect an external object, the polymer sensor elements being arranged side-by-side along one or more directions and each generating a voltage according to a deformation; and a detecting section detecting a surface geometry of a region in the external object that is in contact with the detection surface, based on the voltage obtained from each of the polymer sensor elements in the detection surface. | 2012-02-02 |
20120025804 | SYSTEM FOR DETECTING LIGHTNING STRIKES ON WIND TURBINE ROTOR BLADES - A system and method for detecting lightning strikes on a wind turbine includes detecting and measuring a parameter that is indicative of a lightning strike, which may be current induced in a conductor as a result of the lightning strike. A current receptor may be located on a component of the wind turbine and electrically coupled to a ground conductor. A current sensor is disposed on the ground conductor and generates a primary current I(p) that is proportional to a lightning strike current flowing through the ground conductor upon a lighting strike on the receptor. A signal converter sub-system is configured to convert the primary current I(p) into a processing signal. A processing sub-system is configured to receive and use the processing signal to determine an actual lightning strike on the wind turbine. | 2012-02-02 |
20120025805 | VOLTAGE DETECTION CIRCUIT AND METHOD FOR CONTROLLING THE SAME - A voltage detection circuit including a voltage selection circuit that outputs a voltage commensurate with a power supply voltage as a first voltage; a detection voltage selection circuit that selects either an external input voltage inputted from an external terminal or the first voltage according to a first control signal, and outputs it as a comparison voltage; a reference voltage generation circuit that generates a reference voltage; a comparator that compares the reference voltage and the comparison voltage, and outputs the comparison result as a detection signal; a control circuit that generates the first control signal so that the detection voltage selection circuit may output either the first voltage or the external input voltage as the comparison voltage by time division, and when a variation of the first voltage is detected, generates the first control signal so that the detection object selection circuit may output the first voltage as the comparison voltage. | 2012-02-02 |
20120025806 | METHOD AND APPARATUS FOR WAVE DETECTION - Aspects of the disclosure provide method and apparatus for detecting attributes of an input power supply. The method includes receiving a first signal generated based on a second signal that is predictive. The first signal includes a portion that substantially corresponds to the second signal. Further, the method includes detecting attributes of the portion of the first signal that substantially corresponds to the second signal, and determining attributes of the second signal based on the attributes of the portion of the first signal that substantially corresponds to the second signal. | 2012-02-02 |
20120025807 | INTELLIGENT ELECTRONIC DEVICE WITH BROAD-RANGE HIGH ACCURACY - A method and apparatus provides high-accuracy measurements of an electrical parameter across a broad range of parameter input values. In one embodiment, an intelligent electronic device (IED), e.g., a digital electrical power and energy meter, with a plurality of independently-adjustable gain factors measures a parameter, and calculates and stores calibration factors associated with known values of the measured parameter. The IED or meter applies the stored calibration factors when measuring unknown values of the measured parameter, to improve the accuracy of the measurement. | 2012-02-02 |
20120025808 | OFF-CENTER ANGLE MEASUREMENT SYSTEM - A method for measuring an angular position of a rotating shaft, the method including providing a magnetic field which rotates with the shaft about an axis of rotation, positioning an integrated circuit having first and second magnetic sensing bridges within the magnetic field at a radially off-center position from the axis of rotation, the first and second magnetic sensing bridges respectively providing first and second signals representative of first and second magnetic field directions, the integrated circuit having a set of adjustment parameters for modifying attributes of the first and second signals, modifying values of the set of adjustment parameters until errors in the first and second signals are substantially minimized, and determining an angular position of the shaft based on the first and second signals. | 2012-02-02 |
20120025809 | Control Device - A control device is provided configured to provide user control signals. The control device comprises a magnetic flux sensing unit configured to provide two-dimensional angular orientation information with respect to a magnetic field acting on the magnetic flux sensing unit, and the user control signals are dependent on the two-dimensional angular orientation information. The control device further comprises a magnet arrangement comprising at least two permanent magnets configured to generate the magnetic field. The magnet arrangement and the magnetic flux sensing unit are arranged to be reoriented relative to one another within a predetermined range of movement, and the at least two permanent magnets are arranged relative to the magnetic flux sensing unit such that the magnetic field experienced by the magnetic flux sensing unit is substantially uniform throughout the predetermined range of movement. | 2012-02-02 |
20120025810 | DEVICE FOR DETECTING THE POSITION OF A GEAR STEP SELECTOR LEVER AND MOTOR VEHICLE EQUIPPED WITH SAME - A device for detecting the position of a gear step selector lever ( | 2012-02-02 |
20120025811 | ROTATION ANGLE DETECTOR - A rotation angle detector for detecting a rotation angle of a magnet rotator includes: the rotator with a magnet mounted on a rotation shaft; a sensor chip; and an operation element. The chip includes: first and second normal component detection elements for detecting a magnetic field along with a normal direction and first and second rotation component detection elements for detecting a magnetic field along with a rotation direction. A phase difference Δθ, output signals S | 2012-02-02 |
20120025812 | POSITION ENCODER APPARATUS - A scanning device for a position encoder is provided that comprises a plurality of sensor elements for generating a plurality of sensor signals. A summation unit is also provided for generating at least a first summation signal and a second summation signal that provide information on the relative alignment of the scanning device and an associated scale. The first summation signal is generated from a first subset of the plurality of sensor signals and the second summation signal is generated from a second subset of the plurality of sensor signals. The plurality of sensor elements are substantially evenly spaced apart from one another N and sensor elements are provided per period of an associated scale, wherein N is an integer value and a multiple of three and four. In this manner, the third harmonic contribution to the summation signals is suppressed. | 2012-02-02 |
20120025813 | DETECTING INDUCTIVE OBJECTS USING INPUTS OF INTEGRATED CIRCUIT DEVICE - An system for detecting inductive objects includes an inductive sensor circuit for detecting changes in an electromagnetic field (“EMF”) environment and an integrated circuit (“IC”) device. The inductive sensor circuit generates an oscillating analog waveform with an envelope that indicates changes in the EMF environment. The oscillating waveform is coupled to the digital input pin of the IC. A digital interface circuit in the IC is coupled to the digital input pin and is configured for detecting if the oscillating waveform exceeds high and low threshold voltage levels. The detecting results in a digital pulse which represents changes in the EMF environment. In another implementation, a timer input capture pin can be used to detect the waveform envelope decay by storing the time when the waveform crosses a threshold value during a time period. A reduced capture time after the time period expires indicates a change in the EMF environment. | 2012-02-02 |
20120025814 | EDDY CURRENT PROBE FOR SURFACE INSPECTION AND EDDY CURRENT INSPECTION DEVICE INCLUDING THE SAME - The present invention discloses an eddy current probe and an eddy current inspection device including the eddy current probe for inspection of surface defect of a rotor wheel including a dovetail coupling part in which a hook is formed. The eddy current probe in accordance with an embodiment of the present invention includes: a main body, a contact part coupled to the main body and having a convex part and a concave part formed thereon corresponding to the hook, and an eddy current sensor being coupled to an end part of the convex part of the contact part. Accordingly, the detectability of a defect and the permeation depth can be enhanced, and the inspection procedures can be simplified. | 2012-02-02 |
20120025815 | REAL-TIME RECTANGULAR-WAVE TRANSMITTING METAL DETECTOR PLATFORM WITH USER SELECTABLE TRANSMISSION AND RECEPTION PROPERTIES - A highly flexible real-time metal detector platform which has a detection capability for different targets and applications, where the operator is able to alter synchronous demodulation multiplication functions to select different types or mixtures of different types to be applied to different synchronous demodulators, and also different waveforms of the said synchronous demodulation multiplication functions; examples of the different types being time-domain, square-wave, sine-wave or receive signal weighted synchronous demodulation multiplication functions. The operator can alter the fundamental frequency of the repeating switched rectangular-wave voltage sequence, and an operator may alter the waveform of the repeating switched rectangular-wave voltage sequence and corresponding synchronous demodulation multiplication functions. | 2012-02-02 |
20120025816 | ORTHOGONAL EDDY CURRENT PROBE FOR MULTI-DIRECTIONAL INSPECTION - Disclosed is an improved orthogonal eddy current probe with at least three coils, each of the coils is wound across the two facing sides of an at least six-sided right polygonal prism, such as a hexagonal core. At each time interval, two of the three coils are used as driver coils, being charged simultaneously with electric current driven in coherent directions to induce a combined eddy current and one of the coils is used as a receiver coil to sense the eddy current, with the combined eddy current to be orthogonal to the receiver coil. Each coil alternates to be one of the driver coils or the receiver coil at a predetermined switching sequence and a predetermined switching frequency during consecutive time intervals. The eddy current probe as disclosed provides the advantages of inspecting a test surface for flaws of any flaw orientation with one pass of scan, providing sufficient sensitivity and desirable noise cancellation in all directions. | 2012-02-02 |
20120025817 | Magnetic Field Sensor with Improved Differentiation Between a Sensed Magnetic Field Signal and a Noise Signal - A magnetic field sensor includes a Hall element configured to generate a Hall element output signal in response to a magnetic field, the Hall element output signal comprising a magnetic field signal component and an offset signal component. The magnetic field sensor also includes a Hall element modulation circuit coupled to receive the Hall element output signal and configured to generate a modulation circuit output signal. The Hall element modulation circuit is modulated with a modulation signal having a changing modulation frequency that changes between a minimum frequency and a maximum frequency. | 2012-02-02 |
20120025818 | Non-Contacting Position Sensor Using a Rotating Magnetic Vector - A sensor for sensing the position of an object includes a magnet and a magnetic flux sensor. The magnet has dimensions that include a length, a width and a height. The magnet is adapted to generate a flux field. The flux field has a magnitude of flux and a flux direction. The flux direction changes along at least one of the dimensions. The magnetic flux sensor is mounted adjacent the magnet. The magnet provides a rotating magnetic field vector. A method for magnetizing a magnet to create the rotating magnetic field vector is also disclosed. | 2012-02-02 |
20120025819 | MAGNETORESISTIVE SENSOR - A magnetoresistive sensor comprising first and second magnetoresistive elements is disclosed. Each magnetoresistive element is coupled at a respective first end to a common ground terminal and comprises one or more magnetoresistive segments, each overlying a corresponding segment of an excitation coil. The resistance of the magnetoresistive segments in each of the first and second magnetoresistive elements is the same and the resistance of the segments of the excitation coil corresponding to the first magnetoresistive element is the same as the resistance of the segments of the excitation coil corresponding to the second magnetoresistive element. | 2012-02-02 |
20120025820 | METHODS AND SYSTEMS FOR APPLYING SPEED CORRECTION TO NMR ECHO DATA - A method and system for performing speed correction on nuclear magnetic resonance logging data is provided. The speed correction performed can be done on a representation of echo data received by a logging tool, and then additively applied to the echo data. Such a process can reduce or remove the amplification of noise in the echo data that is common in conventional methods of speed correction. | 2012-02-02 |
20120025821 | High field NMR apparatus with excess cooling power and integrated helium re-liquification - A nuclear magnetic resonance (NMR) apparatus ( | 2012-02-02 |
20120025822 | Method of MR (=magnetic resonance) with spatial encoding to generate an image of spectroscopic data - A method of MR with spatial encoding to generate an image or spectroscopic data of an object of investigation inside an MR apparatus comprises the steps of (a) selecting a volume of interest within the object of investigation, (b) applying an RF pulse to generate a transverse magnetization within the object of investigation, (c) preparing a nonlinear phase distribution within the object of investigation by application of spatially encoding magnetic fields (SEMs), the SEMs comprising of a nonlinear gradient field or a combination of linear and nonlinear gradient fields, (d) effecting primary spatial encoding through application of SEMs, and (e) recording MR signals originating from the object of investigation. Step (c) or (d) thereby comprises applying a sequence of at least two SEMs, at least one of which contains a nonlinear field gradient and at least two of the SEMs having different field geometries. The sequence of SEMs is applied at a point in time from and including the excitation of the object of interest in step (b) up to and including the recording of the MR signals in step (e), to thereby introduce a temporal shift of the signals arising from spatially different locations within the selected volume of interest, that is to thereby introduce a shift of local spatial frequency components. A sampling window for recording of the respective MR signals is set and signals originating from the volume of interest are recorded in step (e) and undesired signals originating from outside the volume of interest are suppressed. | 2012-02-02 |
20120025823 | METHOD AND DEVICE FOR MAGNETIC RESONANCE IMAGING - In a methods and devices for magnetic resonance (MR) imaging, an MR data acquisition is implemented repeatedly in which an examination subject is exposed to an alternating magnetic field with a frequency before the readout sequence. The signal values acquired after the preparation of the magnetization with alternating fields of respectively different frequencies are evaluated. Magnetic field data that contain information about the curve of the basic field are used to implement the MR data acquisitions, such as to establish the frequencies, and/or in the evaluation of the signal values. | 2012-02-02 |
20120025824 | METHOD AND MAGNETIC RESONANCE SYSTEM TO GENERATE MAGNETIC RESONANCE IMAGES - In a method to create magnetic resonance (MR) images of a predetermined volume segment within an examination subject by operation of an MR system with continuous table displacement, at least one slice with a respective, predetermined thickness is defined, and for each slice, a partial region of the slice is selected, the respective partial region being bounded in a direction perpendicular to the thickness direction of the corresponding slice, and measurement signals are acquired from the slice, the acquired measurement signals originating from only the respective partial region of the slice. | 2012-02-02 |
20120025825 | METHOD AND MAGNETIC RESONANCE APPARATUS FOR DYNAMIC PHASE CORRECTION IN A MULTI CHANNEL RF TRANSMISSION - In a method and magnetic resonance (MR) apparatus to acquire spin echo-based MR signals of an examination subject with a multi-spin echo sequence with multiple refocusing pulses after a single excitation pulse in an MR system that has a multichannel RF transmission and reception module: detect a spatial, two-dimensional phase distribution in the examination subject is detected by acquiring navigator signals, a phase and amplitude distribution for the individual transmission channels of the RF transmission and reception module is calculated to generate a magnetic field B | 2012-02-02 |
20120025826 | Method For Reducing Artifacts In Magnetic Resonance Imaging - Disclosed are methods for magnetic resonance imaging (MRI) that reduce the appearance of fast spin echo cups artifacts using a slice-titting gradient. In particular, the excited image slice is titted relative to the image slice selected by the refocusing RF pulse. | 2012-02-02 |
20120025827 | NUCLEAR QUADRUPOLE RESONANCE SYSTEM AND METHOD FOR STRUCTURAL HEALTH MONITORING - Structural health monitoring using nuclear quadrupole resonance is disclosed. For example, in one embodiment, a method of monitoring stress is provided. The method includes scanning a composite using an NQR spectrometer, the composite having a polymer matrix and a microcrystalline material disposed in the matrix. The microcrystalline material includes molecules having nuclei with respective nuclear quadrupole moments. The method also includes determining microscopic strain distribution indices of the composite from the NQR scans to quantify stress and identify precursors to failure in the composite. | 2012-02-02 |
20120025828 | METHOD AND DEVICE OF ESTIMATING A DOSE OF IONIZING RADIATION - A device of estimating a dose of ionizing radiation absorbed in an intra bone volume. The device comprises a static magnetic field source adapted to generate a substantially static magnetic field in a probing space having a volume of less than 2 cubic millimeter (mm | 2012-02-02 |
20120025829 | ACOUSTICALLY DAMPED GRADIENT COIL - A gradient coil assembly is provided. The gradient coil assembly includes a cylindrical element. The cylindrical element has an inner surface and an outer surface. At least one first isolation material is disposed over the outer surface of the cylindrical element. A conducting material is disposed over the isolation material. A method to form the gradient coil assembly is also provided. | 2012-02-02 |
20120025830 | MAGNETIC RESONANCE TOMOGRAPHY LOCAL COIL - The present embodiments relate to a local coil for a magnetic resonance tomography system. The local coil extends in a first direction and in a second direction orthogonal to the first direction. The local coil has a plurality of coil elements. At least some coil elements of the plurality overlap at least partly in a third direction running between the first direction and the second direction. | 2012-02-02 |
20120025831 | HIGH-CURRENT CABLE CONNECTION FOR GRADIENT CABLES OF A MAGNETIC RESONANCE TOMOGRAPHY SYSTEM - The present embodiments relate to a method and gradient cable connection for a magnetic resonance tomography system. The gradient cable connection connects cable shoes of two gradient cables to one another. A first fastening device is provided with two nuts. Using the first fastening device, the cable shoes are pressed against one another by the two nuts, the two nuts being disposed on a bolt on opposing sides of the cable shoes. A second fastening device is also provided. Using the second fastening device, the bolt is pressed against a support plate by the bolt and one of the two nuts. | 2012-02-02 |
20120025832 | Modular MRI phased array antenna - An antenna configuration for use in a magnetic resonance apparatus, which is designed as phase-controlled array and comprises at least two individual antennas which each comprise at least one conductor loop, one tuning network and one matching network, wherein the tuning network contains at least one tuning capacitance and the matching network contains at least one matching capacitance, and the individual antennas are each combined into separate modules which are positioned on and mounted to a support body and can be removed therefrom in a non-destructive fashion, is characterized in that the individual antennas are connected to each other through decoupling elements, wherein the decoupling elements are mounted to the support body in an undetachable fashion. It is thereby possible to define individual antenna modules which can be arranged in a simple fashion around the measuring volume, are also electromagnetically decoupled from each other, and can be positioned close to the measuring volume in order to ensure that the received MRI image has a maximum, high signal-to-noise ratio. | 2012-02-02 |
20120025833 | MAGNETIC RESONANCE IMAGING APPARATUS - A magnetic resonance imaging apparatus includes a bore configured to accommodate a subject therein, an RF coil positioned about the bore, and an RF shield positioned about the RF coil. The RF coil includes a first portion positioned adjacent a lower surface side of the bore and spaced a distance from the RF shield that is larger than a distance between a second portion of the RF coil and an upper surface side of the bore. | 2012-02-02 |
20120025834 | DETERMINING ANISOTROPIC RESISTIVITY - The present disclosure relates to a method to determine the vertical resistivity of a subsurface formation. A downhole logging tool having a plurality of spaced antennas, at least one of which is a transverse antenna, at least two of which are tilted antennas, and at least two of which are axial antennas is provided. Measurements involving the transverse and/or the tilted antennas of the downhole logging tool are obtained. Voltage ratios are formed using the measurements, and conditioning factors are formed by raising the determined voltage ratios not involving the transverse antenna to some arbitrary power. The sum of the exponents of the conditioning factors preferably equals one. A voltage ratio involving the transverse antenna is multiplied by the conditioning factors, and the vertical resistivity of the subsurface formation is determined using the resulting ratio. | 2012-02-02 |
20120025835 | Sensor Arrangement for an Energy Storage Device and a Method of Using the Same - A sensor arrangement and method that may be used with a variety of different energy storage devices, including battery packs found in hybrid vehicles, battery electric vehicles, and other types of vehicles. Some battery monitoring systems, such as those designed to monitor and/or control lithium-ion battery packs, may require individual voltage readings for each and every cell. If a battery monitoring system component—even one that provides just one of these sensor readings—malfunctions or otherwise experiences a fault condition, then it may be necessary to bring the entire vehicle in for service. The exemplary sensor arrangement and method may be used to control a series of balancing switches in the sensor arrangement in such a way that enables the vehicle to detect fault conditions and to continue operating successfully in the event that such fault conditions occur. | 2012-02-02 |
20120025836 | POWER SUPPLY DEVICE FOR DETECTING DISCONNECTION OF VOLTAGE DETECTION LINES - A power supply device includes battery units | 2012-02-02 |
20120025837 | METHOD TO DICE BACK-CONTACT SOLAR CELLS - A method of processing of solar cells includes determining that a back-contact solar cell is defective. The back-contact solar cell includes a first plurality of interconnect pads at a first edge thereof, and a second plurality of interconnect pads at a second, opposed thereof, the first and second pluralities of interconnect pads having opposite operational charges. The back-contact solar cell is then diced to define at least first and second back-contact solar cell sections. The first back-contact solar cell section has at least two interconnect pads, of the plurality of interconnect pads, at respective opposed edges thereof. | 2012-02-02 |