| 06th week of 2014 patent applcation highlights part 22 |
| Patent application number | Title | Published |
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| 20140035496 | MOTOR CONTROL APPARATUS AND MOTOR CONTROL METHOD - A motor control apparatus applying a sinusoidal drive waveform to a motor and including a position detection unit outputting a signal according to a motor shaft's position; and a control unit: acquiring a phase value of the motor's drive waveform when a signal is output by the position detection unit, changing a cycle of the drive waveform by measuring time from a previously output signal to a presently output signal, comparing the phases of the drive waveform and the motor shaft, and controlling to change to a cycle at which a phase value of the drive waveform matches a target phase value when a travel time corresponding to a phase value for adjustment has elapsed from a present time when a phase value of the drive waveform presently acquired differs from a target phase value acquired when the motor's drive current and drive voltage are in a designated phase relationship. | 2014-02-06 |
| 20140035497 | Method and Apparatus for Reducing Radiated Emissions in Switching Power Converters - A filter for reducing radiated emissions in switching power converters such as a motor drive is disclosed. The switching power converter modulates a DC voltage input to generate a desired AC voltage output. Capacitors are connected in parallel between each output phase and a common connection, which may be a ground connection. The magnitude and layout of the capacitors are selected to minimize current conducted by the capacitors. The capacitors may be surface mount technology located proximate to the switching devices or the capacitors may be incorporated in the circuit board on which the switching devices are mounted. The filter may be applied to any of the switching elements in a motor drive, such as the inverter section, an active rectifier section, or a switched mode power supply. | 2014-02-06 |
| 20140035498 | MOTOR FOR A SYNCHRONOUS ELECTRIC MACHINE AND METHOD FOR ROUTING POWER - A motor for a synchronous electric machine includes a first inverter configured to provide alternating current power at a first plurality of phases. Also included is a second inverter configured to provide alternating current power at a second plurality of phases. Further included is a first stator winding and a second stator winding each in operable communication with the first inverter and the second inverter and configured to operate synchronously at a first phase, a second phase and a third phase. Yet further included is a first interphase transformer for receiving one of the first plurality of phases and one of the second plurality of phases for communicating a pair of simultaneous, matching voltage outputs to the first stator winding and the second stator winding for reducing a stress imposed on a rotor. | 2014-02-06 |
| 20140035499 | DRIVING APPARATUS HAVING CURRENT DETECTION FUNCTION AND MOTOR DRIVING APPARATUS HAVING CURRENT DETECTION FUNCTION - There are provided a driving apparatus having a current detection function and a motor driving apparatus having a current detection function that are capable of detecting current without a voltage drop by using a dummy transistor connected to a driving transistor in parallel. The driving apparatus includes: a driving unit including at least one transistor connected between a driving power terminal supplying driving power and a ground and switched according to a switching control signal to drive a preset device; and a detecting unit including at least one dummy transistor connected to the at least one transistor in parallel and switched together with the at least one transistor according to the switching control signal to detect current flowing in the at least one dummy transistor. | 2014-02-06 |
| 20140035500 | SENSORLESS MOTOR APPARATUS, BACK EMF DETECTOR AND DETECTION METHOD THEREOF - A back electromotive force (EMF) detector for a motor is disclosed. The back EMF detector includes an upper switch, a lower switch, a current sensing resistor and a first to third resistance providers. The upper and lower switches are controlled by a first and a second control signal respectively. The current sensing resistor coupled between the lower switch and a reference ground voltage. A first terminal of the first resistance provider coupled to the upper switch, and a back EMF detection result is generated at a second terminal of the first resistance provider. The second resistance provider coupled between the reference ground voltage and the first resistance provider. The third resistance provider is coupled between the coupled terminal of the first and second resistance provider and the lower switch. Wherein, the first to the third resistance providers are determined by at least one characteristic parameter of the motor. | 2014-02-06 |
| 20140035501 | BRUSHLESS MOTOR CONTROL DEVICE AND BRUSHLESS MOTOR CONTROL METHOD - Regarding a brushless motor control device and a control method, the phase voltage Vsu of any one phase of the three-phase brushless motor is detected by a sub-coil (Su) ( | 2014-02-06 |
| 20140035502 | PMSM INITIAL POSITION DETECTION SYSTEM AND METHOD - A system for determining an initial position of a rotor ( | 2014-02-06 |
| 20140035503 | THREE-PHASE MOTOR DRIVING APPARATUS AND THREE-PHASE MOTOR DRIVING METHOD - The three-phase motor driving apparatus according to an aspect of the present invention comprises a controlling part that estimates a rotational position of the three-phase brushless motor based on a reference pulse signal output by the rotor sensor according to a rotational position of the magnetic pole of the first phase of the rotor when the three-phase brushless motor rotates, and controls the motor driver in driving patterns sequentially prescribed so as to correspond to the estimated rotational position of the three-phase brushless motor. | 2014-02-06 |
| 20140035504 | Subsea Measurement And Monitoring - A method for monitoring at least one subsea electric machine supplied by a system for electric power transmission. The system has a power supply, a controller and an AC power line connecting the at least one machine with the power supply. The method includes the steps of: receiving at the controller, high speed data from at least one subsea sensor arranged between the subsea side of the AC power line and the at least one subsea electric machine, wherein the high speed data includes measurements of an electrical parameter for the at least one machine; and comparing the one or more measurements to a predetermined value. A system for electric power transmission arranged for operating at least one subsea load or electric machine is also described. | 2014-02-06 |
| 20140035505 | Hybrid Closed Loop Speed Control using Open Look Position for Electrical Machines Controls - A method of controlling speed of an electric machine having a rotor and a stator is provided. The method may comprise the steps of monitoring a desired speed and a measured speed of the rotor, generating a torque command based on the desired speed and the measured speed, and controlling phase current to the stator based on a hybrid closed loop analysis of the torque command, the measured speed and an estimated position of the rotor. The estimated rotor position may be derived at least partially from the desired speed. | 2014-02-06 |
| 20140035506 | DEVICE AND METHOD FOR DRIVING A DOOR - To improve the energy efficiency of electrical drive systems for doors, the electric motor is actuated position-dependently, the electrically driven door is disconnected from the supply network in a resting position, a change of position of the door performed in the state of being disconnected from the grid is detected by a position encoder unit that is independently supplied with power by an energy store, and the change of position is used for position-dependently actuating the electric motor after the supply voltage has been reapplied. | 2014-02-06 |
| 20140035507 | MOTOR DECELERATION METHOD AND MOTOR DRIVING APPARATUS APPLYING THE MOTOR DECELERATION METHOD - The present invention discloses a motor deceleration method which is applied to a motor driving apparatus. The motor driving apparatus includes an energy-storing unit and a controlling unit, and outputs a driving signal to control the motor. The controlling unit controls a driving frequency of the driving signal. The driving deceleration method includes following steps of controlling the driving frequency to zero; increasing the driving frequency in a linear way by using the controlling unit; detecting whether a terminal voltage difference of the energy-storing unit is increased to a preset voltage value, and if yes, adjusting the driving signal to keep the terminal voltage difference at the preset voltage value; and reducing the driving frequency continuously to decelerate the motor. | 2014-02-06 |
| 20140035508 | Butane free rechargeable charger lighter with solar power - A lighter rechargeable in nature, and complimenting any other hand held device by means of electronic energy transfer. | 2014-02-06 |
| 20140035509 | SYSTEM FOR STORING ELECTRICAL POWER - A wind turbine, which includes a base, a tower, the tower having a cavity therein, which houses a rechargeable battery, and one or more blades, which produce a source of electricity, which is stored in the rechargeable battery housed in the tower of the wind turbine. | 2014-02-06 |
| 20140035510 | METHODS AND DEVICES FOR CELL-BY-CELL CHARGING OF BATTERY CELLS CONNECTED IN A ROW - A device for charging number of cells connected together in a row and create a battery voltage, the charging is done in such a way that every single cell in a battery (or several small cells together) is charged separately by the computer control and moves automatically to the next cell until all cells comprising the battery are full. | 2014-02-06 |
| 20140035511 | Battery Case for a Mobile Device - A battery case for charging a mobile device received therein includes a housing having a back portion with a generally planar inner surface and an outer surface, and a side wall extending upwardly from the back portion. A battery is disposed within the housing, and a charging connector is stored within the housing in a stored configuration and in electrical communication with the battery. The charging connector includes a flexible tether having a proximal end connected to the housing and a distal end having an adaptor for mating with a connector of the mobile device. The charging connector has an outer surface and a lower surface, where the charging connector lower surface is bounded by a plane of a lower end of the battery case in the stored configuration. | 2014-02-06 |
| 20140035512 | EXTERNAL POWER SUPPLY APPARATUS OF ELECTRIC VEHICLE - An external power supply apparatus of an electric vehicle, includes: a battery; an inverter configured to convert DC power of the battery to AC power and configured to output the AC power; a first outlet socket disposed in the electric vehicle and through which an output of the inverter is supplied; a relay connected downstream from the first outlet socket as viewed from the inverter; a charging port connected downstream from the relay as viewed from the inverter and exposed to the outside of the electric vehicle; an adapter including a second outlet socket and being to be connected to the charging port; and, when it is detected that the adapter is connected to the charging port, a controlling unit setting the relay to an ON state to allow the output of the inverter to be supplied through the charging port. | 2014-02-06 |
| 20140035513 | SMART CHARGING SYSTEM - A smart battery charger having a plurality of charging stations for simultaneously charging a plurality of batteries, such as vehicle batteries, in an efficient manner without overcharging by compensating for the current state of charge and temperature of each one of the batteries while indicating a status of the batteries to an operator. | 2014-02-06 |
| 20140035514 | METHOD AND DEVICE FOR BATTERY-CHARGING MANAGEMENT - A method, a computer-readable medium, and a system for battery-charging management are provided. The method comprises: recording a respective time that previous trickle charging was carried out by a user; determining that a time interval between a current time and the respective time for the previous trickle charging has reached a preset charging cycle; and prompting the user to carry out next trickle charging in response to determining that the time interval between the current time and the respective time for the previous trickle charging has reached the preset charging cycle. The charging cycle is managed according to recorded charging actions of a user; therefore, the user can be prompted and guided in an intuitive and clear way to carry out charging cycle management, and be prompted intelligently and regularly, so as to extend the service life of a battery. | 2014-02-06 |
| 20140035515 | System and Method for Information Handling System Battery Charge Protection and Fault Alarm - An information handling system battery has first and second protective circuits to detect and address faults for a first charge applied from an external power source to an integrated charger and a second charge applied from a charger of an information handling system to battery cells. If the first protective circuit detects a fault associated with the integrated charger, charging of the battery cells is still supported by inserting the battery in an information handling system. If the second protective circuit detects a fault, the battery becomes inoperative by disconnecting the battery cells. An indicator, such as LEDs on the battery casing, indicates whether a soft or hard fault has occurred. | 2014-02-06 |
| 20140035516 | TELEVISION LOW POWER MODE AND ACCESSORY CHARGING - Described embodiments provide a local electronic device having a power supply coupled to a power main in wireless communication, via a wireless transceiver, to a remote device. The local electronic device includes a charging station to recharge a rechargeable power supply of the remote devices. The local electronic device detects when at least one remote device is being recharged by the charging station. Based on the detection, the local electronic device selectively enters a low-power mode by disabling one or more circuits to reduce power consumption. | 2014-02-06 |
| 20140035517 | SYSTEMS INVOLVING MAGNETIC ATTACHMENT FOR PORTABLE ELECTRONIC DEVICES AND RELATED METHODS - Systems involving magnetic attachment for portable electronic devices and related methods are provided. In this regard, a representative system includes: a magnetic attachment system operative to generate a magnetic field, the magnetic attachment system being operative to vary a strength of the magnetic field based, at least in part, on a control input such that a portable electronic device is magnetically attached to the electronic apparatus. | 2014-02-06 |
| 20140035518 | DOCKING STATION FOR ELECTRONIC DEVICE - A docking station for an electronic device capable of outputting video signals includes a first communicating unit capable of communicating with the electronic device to receive the video signals, a first input unit for receiving users' operation to generate operating signals, and a processor electrically connected with the first communicating unit and the first input unit. The processor generates signals for controlling the electronic device in response to the operating signals, and further displays the video signals on a larger screen. | 2014-02-06 |
| 20140035519 | Hand tool accumulator charging device - A hand tool accumulator charging device is proposed having a charging device housing and a charging coil, provided for the purpose of charging a hand tool accumulator situated in an accumulator charging region, and having only one mounting device that is provided for the purpose of coupling with a hand tool case situated in a case receptacle region, the accumulator charging region and the case receptacle region being situated on sides of the charging device housing facing away from one another. | 2014-02-06 |
| 20140035520 | WIRELESS CHARGING SYSTEM - Wireless charging system suppressing reduction of an electric power feeding efficiency due to imperfect alignment caused between a transmitter and a receiver unit. Included are a first | 2014-02-06 |
| 20140035521 | COMMUNICATION APPARATUS AND OPERATION METHOD THEREOF - A communication apparatus includes a communication coil, a power receiving portion, a charge control portion, a first switch portion, a second switch portion, a communication circuit, and a processor. A voltage detection circuit of the power receiving portion generates first control signal of first state when a terminal voltage of the communication coil exceeds power supply threshold voltage. The first switch portion is controlled to turn on between first terminal and third terminal in response to first control signal. The voltage detection circuit generates second control signal of third state when a terminal voltage of the communication coil exceeds first and second charge threshold voltages during a period to charge the secondary cell. The second switch portion is controlled to turn off in response to second control signal. | 2014-02-06 |
| 20140035522 | CHARGING CONTROL APPARATUS AND METHOD, CHARGING SYSTEM, CORRELATION METHOD, AND COMPUTER PROGRAM - A charging control apparatus ( | 2014-02-06 |
| 20140035523 | PLASTIC PART SUCH AS AN AUTOMOTIVE VEHICLE INTERIOR PLASTIC PART HAVING A DAMPENING SUPPORT SURFACE CAPABLE OF WIRELESSLY AND CONDUCTIVELY ALLOWING ELECTRICAL SIGNALS TO TRAVEL BETWEEN THE PART AND AN ELECTRICAL DEVICE ARBITRARILY POSITIONED AND SUPPORTED ON THE SURFACE - A plastic part such as an automotive vehicle interior plastic part having a dampening support surface is provided. The surface is capable of wirelessly and conductively allowing electrical signals including power signals to travel between the part and an electrical device such as a cell phone arbitrarily positioned and supported on the surface during vehicle motion. | 2014-02-06 |
| 20140035524 | WIRELESS POWER TRANSMISSION SYSTEM - The wireless power transmission is a system for providing wireless charging and/or primary power to electronic/electrical devices via microwave energy. The microwave energy is focused to a location by a power transmitter having one or more adaptively-phased microwave array emitters. Rectennas within the device to be charged receive and rectify the microwave energy and use it for battery charging and/or for primary power. | 2014-02-06 |
| 20140035525 | SYSTEM TO CONTROL WHEN ELECTRICITY IS PROVIDED TO AN INDUCTIVE LOAD AND METHOD OF PROVIDING AND USING THE SAME - Some embodiments include a system to control when electricity is provided to an inductive load. Other embodiments of related systems and methods are also disclosed. | 2014-02-06 |
| 20140035526 | SELECTIVE COMMUNICATION BASED ON DISTANCE FROM A PLURALITY OF ELECTRIC VEHICLE WIRELESS CHARGING STATIONS IN A FACILITY - Systems, methods, and apparatus are disclosed for charging a vehicle in a wireless power transfer system. In one aspect, a method of charging a vehicle is provided, including determining distances between the vehicle and each of a plurality of charging stations. The method further includes selectively communicating, based on the distances, with a first charging station of the plurality of charging stations. | 2014-02-06 |
| 20140035527 | ELECTRIC VEHICLE DOCKING CONNECTOR WITH EMBEDDED EVSE CONTROLLER - A portable electric vehicle supply equipment (EVSE) kit or system includes a docking connector having a docking head engagable with the charging port of an electric vehicle and a barrel or handle fixed to the docking head and having a barrel electrical connector. An EVSE controller is embedded within the docking connector. An electric power cable has a first connector for engaging the barrel electrical connector and a second connector at an opposite end of the cable for connection to an electrical utility receptacle. The embedded EVSE controller enables the docking connector to function as an EVSE unit. | 2014-02-06 |
| 20140035528 | APPLIANCE AND METHOD FOR RECHARGING BATTERIES OF ELECTRIC VEHICLES OR THE LIKE - The appliance ( | 2014-02-06 |
| 20140035529 | Systems, Methods, and Apparatus for a Homopolar Generator Charger with Integral Rechargeable Battery - Systems, methods, and apparatus for providing a homopolar generator charger with an integral rechargeable battery. A method is provided for converting rotational kinetic energy to electrical energy for charging one or more battery cells. The method can include rotating, by a shaft, a rotor in a magnetic flux field to generate current, wherein the rotor comprises an electrically conductive portion having an inner diameter conductive connection surface and an outer diameter conductive connection surface, and wherein a voltage potential is induced between the inner and outer diameter connection surfaces upon rotation in the magnetic flux field. The method can also include selectively coupling the generated current from the rotating rotor to terminals of the one or more battery cells. | 2014-02-06 |
| 20140035530 | ELECTRIC AUTOMOBILE PWM RECTIFICATION AND CONVERTING VOLTAGE/CURRENT PULSE CHARGING SYSTEM - The invention discloses a kind of electric automobile PWM rectification and converting voltage/current pulse charging system which is the charging system for large storage battery. The system includes rectifier module and charging module. The former links with AC network and charge module respectively. The said charging system also includes DC charging management module and the charging module is composed of DC input module and DC output module. The said rectifier module, DC input module and DC output module, DC charging management module are independent and connected together by CAN bus. The electric automobile PWM rectification and converting voltage/current pulse charging system of this invention is simply structured with a small size and features wide range of application e.g. charging for all lead and zinc storage batteries. It greatly reduces the duration for charging storage batteries and is worthy of scale popularizing. | 2014-02-06 |
| 20140035531 | Charge balancing system for batteries - A charge balancing system for a power battery includes a number of modules connected in series, each having two accumulator stages, each having an accumulator and isolated parallel converters connected to associated accumulator stages and to a low-voltage power system for supplying auxiliaries of an automobile. The converters have first unidirectional converters, each connected across terminals of a module and to the supply system, and second unidirectional converters each connected to the supply system and across the terminals of the accumulator stages, and a control unit for the first and second unidirectional converters. The control unit is configured for controlling a first converter to bring the modules to a similar charge level, for controlling a energy transfer from the battery to the supply system via the first converters, and for controlling a second converter to bring the associated accumulator stages of a module to a similar charge level. | 2014-02-06 |
| 20140035532 | CELL BALANCING MODULE, VOLTAGE BALANCER DEVICE, AND METHOD FOR VOLTAGE BALANCING, PARTICULARLY FOR VOLTAGE BALANCING OF A STACK OF BATTERIES - The invention relates to a cell balancing module, particularly for voltage balancing of a stack of batteries. The cell balancing module comprises an interface (SPI, VrefH, VrefL) to input a coded reference voltage (Vref) and input nodes (In | 2014-02-06 |
| 20140035533 | CHARGE CONTROL DEVICE AND ELECTRONIC APPARATUS USING THE SAME - A charge control device includes a control circuit configured to monitor a charge voltage and a charge current of a battery and perform output feedback control upon the charge voltage and the charge current to thereby achieve constant voltage charge or constant current charge of the battery; and an adjusting circuit configured to adjust the output feedback control of the control circuit based on charge state information of the battery obtained by a gas gauge device. | 2014-02-06 |
| 20140035534 | BATTERY PACK - Battery pack circuits are provided. In one embodiment, the invention relates to a battery pack including a rechargeable battery including a first battery terminal and a second battery terminal coupled to a common terminal, a discharge control switch coupled between the first battery terminal and a first discharging terminal, a charge control switch coupled between the first discharging terminal and a first charging terminal, wherein the battery pack is configured to provide a current to a load coupled between the first discharging terminal and the common terminal, and a processing circuitry configured to charge and discharge the battery by controlling the discharge control switch and the charge control switch. | 2014-02-06 |
| 20140035535 | CONTACTLESS POWER TRANSMITTING SYSTEM HAVING OVERHEAT PROTECTION FUNCTION AND METHOD THEREOF - Disclosed herein are a contactless power transmitting system having an overheat protection function, which protects a battery cell module from damage due to overheating while the battery cell module is being charged, and a method thereof. In the contactless power transmitting system, a contactless power transmitting apparatus transmits a first power to a contactless power receiving apparatus through a power transmitting coil to charge the battery cell module with the first power, and transmits a second power, of lower wattage than the first power, to the contactless power receiving apparatus through the power transmitting coil to charge the battery cell module with the second power if an overheat alarm signal is received from the contactless power receiving apparatus, thereby making it possible to fully charge the battery cell module while preventing overheating of the battery cell module. | 2014-02-06 |
| 20140035536 | Activation Device for Use on Intelligent Battery - This utility model releases an activation device for use on intelligent battery, which includes: main control circuit, and the said main control circuit is connected to charging time control circuit via the primary control signal, to the output voltage control circuit via the secondary control signal, to the charging status control circuit via the tertiary and quaternary, to the pulse control circuit via the quinary control signal and to the power supply circuit via the 14V voltage signal. The activation device makes improvements on basis of normal chargers, has simple circuit design and is easy to use and free of influence of cold weather conditions; in addition, it can also protect the battery from oxidation and activate the battery. | 2014-02-06 |
| 20140035537 | CONTROL METHOD FOR ELECTRIC VEHICLE - The present invention provides a control method for an electric vehicle, comprising the steps of: measuring a current voltage of a battery cell module and an external temperature immediately before or after a start of charging; determining whether or not charging has been completed by measuring a charging voltage of the battery cell module after charging during a predetermined time set according to at least one of the current voltages and the external temperature; and calculating a voltage variation on the basis of the current voltage and the charging voltage if it is determined that charging has been completed, and determining whether the battery cell module is normal or abnormal on the basis of the voltage variation and a set reference voltage variation. | 2014-02-06 |
| 20140035538 | Method for Optimally Charging an Electrochemical Battery - Method for charging an electrochemical accumulator, comprising a step (E10) of determining the initial state of the electrochemical accumulator, characterized in that it comprises a step (E11) of determining the regime of charge of the electrochemical accumulator by optimizing the product of a charging time saving and an energy saving as a function of the initial state of the electrochemical accumulator. | 2014-02-06 |
| 20140035539 | INTEGRATED CHARGER AND ALARM UNIT - An integrated charger and alarm unit. A plurality of alarm receptacles are in a housing, each for selectively receiving a sensor cord for sensing security status of one of a plurality of chargeable devices. A plurality of charging receptacles are in the housing, one for each alarm receptacle, each for selectively receiving a power cord for charging one of the chargeable devices. A power receptacle in the housing connects to an electrical power source. An electrical circuit is operatively connected to the alarm receptacles, the charging receptacles and the power receptacle. The electrical circuit comprises an alarm control powered by the electrical power source and connected to the alarm receptacles and generating an alarm signal if the security status of any of the plurality of chargeable devices is in an unsecured status. A power supply control regulates power from the electrical power source to each of the charging receptacles. | 2014-02-06 |
| 20140035540 | ENERGY STORAGE DEVICE AND METHODS - In one aspect, energy storage devices and methods are disclosed that include (preferably in order): a cationic electrode cover layer, a cationic electrode, a cationic exchange polymer electrolyte layer, a separation dielectric layer, an anionic exchange polymer electrolyte layer, an anionic electrode, and an anionic electrode cover layer. In certain embodiments, the device is configured to be initially placed in an ionized state, and optionally, can be configured to be further charged to store energy in an electrostatic mode. In another aspect, ionic solid dielectric materials, energy storage devices including ionic solid dielectric materials, and methods of making and using such materials and devices are disclosed herein. | 2014-02-06 |
| 20140035541 | CONTROL CIRCUIT, CONTROL METHOD USED IN PFC CIRCUIT AND POWER SOURCE SYSTEM THEREOF - A control circuit, control method used in a PFC circuit and the power source system thereof are disclosed herein. The control circuit comprises: a zero current detection circuit having a polarity detection circuit for outputting a first and a second digital signals and a signal conversion circuit for generating an analog signal; a feedback circuit for generating a driving pulse signal; and a pulse distribution circuit for distributing the driving pulse signal to a first and a second switches according to the first and the second digital signal. After a switch cycle, one of the first and the second switch performs an ON operation for the next switch cycle when the current flowing through the inductor decreases to a predetermined threshold value, wherein an ON time of the first switch is equal in each switch cycle, and an ON time of the second switch is equal in each switch cycle. | 2014-02-06 |
| 20140035542 | NON-LINEAR PWM CONTROLLER - A switching power supply includes a circuit having at least two reactive components to provide an output voltage and capable of being switched from a first output state to a second output state. A switching component switches the circuit between at least two switching states including the first output state and the second output state. A pulse width modulator receives a duty cycle and drives the switching component to cause switching between two of the at least two switching states. A nonlinear controller component provides a duty cycle to the pulse width modulator. The duty cycle corresponds to at least one predetermined power supply state variable. The nonlinear controller component includes a processor to apply an optimization technique to minimize a predetermined function of the duty cycle and internal states of the power supply and to obtain a relationship between the duty cycle and at least one predetermined state variable. | 2014-02-06 |
| 20140035543 | PHASE DOUBLING FOR SWITCHING POWER SUPPLY - A switching power supply control system may include logic to generate a greater number of second switching control signals in response to a first number of original switching control signals. For example, the logic may increase the number of phases that may be controlled by an existing switching power supply controller. The logic may be configured to steer feedback signals from the increased number of phases back to original feedback inputs on the controller. | 2014-02-06 |
| 20140035544 | Hysteretic Control Conversion Circuit and Power Supply System - The invention discloses a hysteretic control conversion circuit. The circuit includes a PMOS transistor and an NMOS transistor that are connected in series between a voltage input terminal and a ground terminal, a first voltage divider resistor string connected in series between a voltage output terminal and the ground terminal, a comparator, and a logic controller, where an output terminal of the comparator is connected to an input terminal of the logic controller, and two output terminals of the logic controller are respectively connected to grid electrodes of the PMOS transistor and the NMOS transistor. The hysteretic control conversion circuit also includes: a negative feedback module connected between the voltage output terminal and the input terminal of the comparator, and configured to perform negative feedback control over an output voltage of the hysteretic control conversion circuit and clamp the output voltage to a preset reference voltage. | 2014-02-06 |
| 20140035545 | HIGH UNITY GAIN BANDWIDTH VOLTAGE REGULATION FOR INTEGRATED CIRCUITS - An integrated circuit voltage regulator uses a simple CMOS structure to implement a High Unity Gain BandWidth voltage regulator providing for low voltage ripple at the output of the regulator up to high frequencies in the hundreds of MHz range. A transconductor first stage is followed by an impedance cancellation second stage allowing DC gain to be set completely independently of the bandwidth. | 2014-02-06 |
| 20140035546 | Simulating Power Supply Inductor Current - One embodiment described herein provides a circuit to approximate the inductor current of a power supply that includes a capacitor; charge/discharge circuitry configured to charge the capacitor with a voltage that is proportional to an input voltage rail of the power supply, and discharge the capacitor with a voltage that is proportional to the output voltage of the power supply; and error correction circuitry is configured to adjust the voltage that is proportional to the input voltage rail and the voltage that is proportional to the output voltage based on an instantaneous current of the inductor; and wherein the voltage on the capacitor is proportional to a current associated with the inductor. | 2014-02-06 |
| 20140035547 | METHOD FOR CONTROLLING A MULTIPHASE INTERLEAVING CONVERTER AND CORRESPONDING CONTROLLER - A method is provided for controlling a converter of the multiphase interleaving type. According to the method, there is detected when a change of the load applied to an output terminal of the converter occurs. All the phases of the converter are simultaneously turned off, and a driving interleaving phase shift is recovered so as to restart a normal operation of the converter. A controller for carrying out such a method is also provided. | 2014-02-06 |
| 20140035548 | NOISE RESISTANT REGULATOR - A converter for supplying a regulated voltage from an input to a load is disclosed. The converter supplies a regulated DC voltage from an input to a load using a power switch driven by a gate driver. It also includes a control loop for carrying a load condition signal and a control signal. The converter also includes a controller located on the control loop that generates the control signal based on the load signal. The controller is located on a first integrated circuit. The gate driver is located on a second integrated circuit. The load condition signal is encoded on the first integrated circuit and is decoded on the second integrated circuit. | 2014-02-06 |
| 20140035549 | MULTI-STANDARD, AUTOMATIC IMPEDANCE CONTROLLED DRIVER WITH SUPPLY REGULATION - A pre-driver circuit generates a driver bias signal based on a swing command, a driver impedance characteristic, and an input signal. A driver receives the driver bias signal and generates, in response, a driver signal having a swing and having an output impedance corresponding to the bias signal. Optionally, the driver receives power from a switchable one of multiple supply rails, according to the swing. Optionally, the driver has voltage controlled resistor elements and the driver bias signal is generated based on the swing command and a replica of the driver voltage controlled resistor elements. | 2014-02-06 |
| 20140035550 | VOLTAGE REGULATOR CIRCUIT - A voltage regulator circuit includes a plurality of transistors and a control circuit. Each transistor has two source/drain terminal and a gate terminal. One source/drain terminal of each transistor is electrically coupled to a source voltage, and the other source/drain terminals of the transistors are electrically coupled to each other and corporately referred to as an output terminal of the voltage regulator circuit. The control circuit is electrically coupled to the gate terminals of the transistors and configured to determine the number of the transistors to be turned on according to the difference between the voltage at the output terminal and a predetermined reference voltage. | 2014-02-06 |
| 20140035551 | SEMICONDUCTOR DEVICE AND POWER SUPPLY DEVICE - The present invention realized miniaturization of a power supply device using a multiphase system. The power supply device includes, for example, a common control unit, a plurality of PWM-equipped drive units, and a plurality of inductors. The common control unit outputs clock signals respectively different in phase to the PWM-equipped drive units. The clock signals are controllable in voltage state individually respectively. For example, the clock signal can be brought to a high impedance state. In this case, the PWM-equipped drive unit detects this high impedance state and stops its own operation. It is thus possible to set the number of phases in multiphase arbitrarily without using another enable signal or the like. | 2014-02-06 |
| 20140035552 | Apparatus for PWM Gate Drive Circuit - A converter comprises a high side switch, a low side switch connected in series with the high switch, a gate drive circuit comprising a first drive port coupled to a gate of the high side switch, a second drive port coupled to a gate of the low side switch, an SRE input port and
| 2014-02-06 |
| 20140035553 | VOLTAGE REFERENCE CIRCUIT WITH TEMPERATURE COMPENSATION - A voltage reference circuit with temperature compensation includes a power supply, a first reference voltage supply, a first PMOS transistor, a second PMOS transistor, a first NMOS transistor, a second NMOS transistor, a resistor connected to the second NMOS source and ground. The voltage reference circuit also includes a second reference voltage supply, a third PMOS transistor, a fourth PMOS transistor, a third NMOS transistor, a fourth NMOS transistor, and a fifth NMOS transistor with a drain connected to the source of the fourth NMOS transistor, a source connected to the ground, and a gate connected to the first reference voltage output. | 2014-02-06 |
| 20140035554 | Driving Circuit and Driving Method - A driving circuit includes a first driving module, configured to operate at a first operating voltage in a first mode and configured to be deactivated in a second mode; and a second driving module, wherein at least part of the second driving module operates at a protection voltage in the first mode and operates at a second operating voltage in the second mode, wherein the second operating voltage and the protection voltage are lower than the first operating voltage. | 2014-02-06 |
| 20140035555 | MEASURING SYSTEM AND MEASURING METHOD FOR A ROAD CONSTRUCTION MACHINE - A measuring system for a road construction machine includes a control unit which is operationally connected using a field bus to at least one field device, wherein an exclusive bus address is respectively assignable in the measuring system for each field device connected in the field bus. Furthermore, a method for addressing at least one field device is also provided. | 2014-02-06 |
| 20140035556 | ATTACHMENT FOR IMPROVING THE RECEPTION QUALITY OF A MATERIAL DETECTOR DEVICE - An attachment for a material detector device having a search antenna polarization instrument, where the material detector device has a housing with an antenna surface assigned to a detection direction, having magnets positioned opposite each other with like poles facing each other whose pole surfaces are covered by a tinned copper or oxidized aluminum layer, where the magnets and the copper or aluminum layer have at least one through bore and the magnets can be or are positioned on the housing of the material detector device extending perpendicular to the antenna surface and form a magnetic field space between the magnets in front of the antenna surface, as well as a material detector device having a rectangular housing with such an attachment for improving the reception quality. The result of this attachment is that the acoustic signals which indicate presence or absence are separated from each other more sharply. | 2014-02-06 |
| 20140035557 | NON-CONTACT, HAND-HELD VOLTAGE DETECTOR - A non-contact, hand-held voltage detector is used to determine if AC voltage is present in a tamper-resistant receptacle. The voltage detector includes a pair of pins to open both shutters of the tamper-resistant receptacle. | 2014-02-06 |
| 20140035558 | SENSOR DEVICE AND SENSOR INTERFACE - A mode detector in a sensor interface is configured to detect a mode specified by a mode signal when an input signal received from a side of a first terminal is the mode signal. A communication portion in the interface transmits an electric signal, obtained from a sensor circuit, to a side of a second terminal when a mode detected with the detector is a sensor output mode. The communication portion receives an input signal from the side of the first terminal while transmitting an output signal to the side of the second terminal, when a mode detected with the detector is a communication mode. | 2014-02-06 |
| 20140035559 | TRANSIENT RECOVERY VOLTAGE MEASURING DEVICE, TRANSIENT RECOVERY VOLTAGE MEASURING METHOD, AND TRANSIENT RECOVERY VOLTAGE MEASURING PROGRAM - A common tangent line drawn between a rise portion present from the origin to a second reference voltage and a rise portion corresponding to the second reference voltage can be easily generated through a waveform conversion. A transient recovery voltage measuring device includes a memory storing a transient recovery voltage waveform of a multiple frequency, a waveform conversion unit converting the transient recovery voltage waveform, a wave height determination unit determining two points having the same maximum value on the converted waveform, an adjustment unit adjusting the proportional constant of the waveform conversion unit to determine those two points by the wave height determination unit, a contact point detection unit obtaining two points corresponding to the determined two points determined by the wave height determination unit, and a tangent line generation unit generating a first tangent line passing through the detected two points on the transient recovery voltage waveform. | 2014-02-06 |
| 20140035560 | METHOD AND APPARATUS FOR LIMITING ACCESS TO AN INTEGRATED CIRCUIT (IC) - A method and apparatus for limiting access to an integrated circuit (IC) upon detection of abnormal conditions is provided. At least one of abnormal voltage detection, abnormal temperature detection, and abnormal clock detection are provided with low power consumption. Both abnormally low and abnormally high parameter values (e.g. abnormally low or high voltage, temperature, or clock frequency) may be detected. Abnormal clock detection may also detect a stopped clock signal, including a clock signal stopped at a low logic level or at a high logic level. Furthermore, abnormal clock detection may detect an abnormal duty cycle of a clock signal. A sampled bandgap reference may be used to provide accurate voltage and current references while consuming a minimal amount of power. Upon detection of an abnormal parameter value, one or more tamper indications may be provided to initiate tampering countermeasures, such as limiting access to the IC. | 2014-02-06 |
| 20140035561 | VARIABLE RELUCTANCE SENSOR INTERFACE WITH INTEGRATION BASED ARMING THRESHOLD - An interface for processing a variable reluctance sensor signal provided by a variable reluctance sensor including an integrator, an arming comparator and a detect circuit. The integrator includes an input for receiving the variable reluctance sensor signal and an output providing an integrated signal indicative of total flux change of the variable reluctance sensor. The arming comparator compares the integrated signal with a predetermined arming threshold and provides an armed signal indicative thereof. The detect circuit provides a reset signal after the armed signal is provided to reset the integrator. A corresponding method of processing the variable reluctance sensor signal is also described. | 2014-02-06 |
| 20140035562 | METHOD, IDENTIFICATION SYSTEM, AND ELECTRONIC SYSTEM FOR IDENTIFYING A FAN TYPE OF A FAN - Disclosed is a method for identifying a fan type of a fan in an electronic system having a controller. The method includes: setting a fan identification characteristic value, the fan identification characteristic value corresponding to a PWM (pulse width modulation) duty cycle with a substantial maximum difference between the fan speed of a first type of fan and the fan speed a second type of fan; receiving, via the fan, the fan identification characteristic value; initiating the fan with the fan identification characteristic value; reading, via the controller, a stable fan speed value of the fan; identifying, via the controller, the fan type of the fan based on which fan has a predetermined fan speed (RPM) that is the closest to the stable fan speed value (RPM) when operating at the fan identification characteristic value (PWM). | 2014-02-06 |
| 20140035563 | APPARATUS AND METHOD FOR DETECTING A POSITION OF AN ACTUATOR PISTON - Apparatus and method for detecting a position of an actuator piston driving a valve pin in an injection molding system. The apparatus includes an actuator housing having a body portion, surrounding an axial bore, of a substantially non-magnetic and/or magnetically permeable material, a piston, movable within the axial bore for driving a valve pin, the piston including a magnetic member generating a magnetic field such that axial movement of the piston in the bore modifies the magnetic field according to the position of the piston relative to a detection position, and a magnetic field detector attached to an exterior surface of the body portion at the detection position for detecting the magnetic field associated with the position of the piston and generating an output signal determined by the piston position. | 2014-02-06 |
| 20140035564 | DISPLACEMENT SENSOR, APPARATUS FOR DETECTING DISPLACEMENT, AND METHOD THEREOF - Disclosed herein are a displacement sensor and a displacement detection apparatus and method. The displacement detection apparatus according to an embodiment of the present invention includes a receiving unit for receiving a plurality of receiver signals dependent on displacement of a coupler element, an acquisition unit for acquiring information about the displacement of the coupler element and information about a gap between the coupler element and a transmitting coil or the plurality of receiver coils by using the plurality of receiver signals, and a compensation unit for compensating for the acquired displacement information using the acquired gap information. The acquisition unit acquires the displacement information of the coupler element using one of the plurality of receiver signals, and acquires a compensation signal, independent of the displacement of the coupler element including the gap information, using remaining receiver signals. | 2014-02-06 |
| 20140035565 | METHOD FOR POSITIONING A MOTOR VEHICLE, SYSTEM WITH SUCH A MOTOR VEHICLE, AND MOTOR VEHICLE - A method for positioning a motor vehicle in relation to a primary element of a charging device disposed on a side of a roadway of the motor vehicle for contactless charging of an electric storage device of the motor vehicle, includes moving a secondary element of the charging device arranged on the motor vehicle and interacting with the primary element relative to the primary element by moving the motor vehicle on the roadway into a predetermined charging position, and determining with at least one sensor and at least one positioning element having at least two mutually different markers, when the secondary element has reached the predetermined charging position, by detecting the markers with the sensor. | 2014-02-06 |
| 20140035566 | SYSTEMS AND METHODS FOR POSITION TRACKING USING MAGNETOQUASISTATIC FIELDS - Embodiments of the invention broadly contemplate systems, methods, apparatuses and program products that provide position tracking using a simple, low frequency oscillator that is attached to an object to be tracked, and one or more receiving stations that are placed around the area in which the object moves. Embodiments of the invention enable position tracking of the object using light weight equipment which minimally impacts the object's natural state. | 2014-02-06 |
| 20140035567 | POSITION SENSOR, IN PARTICULAR FOR DETERMINING THE POSITION OF A ROTOR OF A PLANAR DIRECT DRIVE - A position sensor in particular for determining the position of a rotor of a planar direct drive, including a pan- or box-shaped, softmagnetic base body ( | 2014-02-06 |
| 20140035568 | ASSEMBLY WITH A UNIVERSAL MANIPULATOR FOR INSPECTING DOVETAIL OF DIFFERENT SIZES - Disclosed is an ECA probes assembly capable of providing reliable and durable ECA inspections of dovetail slots without the use of an external guiding mechanism. The design combines a novel universal probe manipulator with a probe support suited for a wide range of probe supports which fit a rage of turbine disks. The probe support embodies a rigid yet expandable core, exerting a force pushing the array probe against the inner cavity of the dovetails. The pushing force is strategically located in critical areas of the dovetail leading to array probe to be self-guiding into the dovetail, and to provide optimum performance with consistent and stable lift-off. | 2014-02-06 |
| 20140035569 | WIRE ROPE FLAW DETECTOR - A wire rope flaw detector that is capable of accommodating a plurality of wire rope diameters and is inexpensive includes at least two magnetic sensor units that are integrated with a magnetizer and include planer coils placed opposite to each other with a magnetic circuit generated by the magnetizer in between, in the direction almost parallel to the magnetic circuit in a predetermined section of a wire rope. The detector further includes an adjuster capable of changing the distance between the at least two magnetic sensor units depending on the diameter of the wire rope. | 2014-02-06 |
| 20140035570 | SINGLE-CHIP PUSH-PULL BRIDGE-TYPE MAGNETIC FIELD SENSOR - The present invention discloses a design of a single-chip push-pull bridge sensor, composed of magnetoresistive elements, utilizing on-chip permanent magnets. The permanent magnets are oriented to preset magnetization directions of free layers of adjacent sensor bridge arms so that they point to different directions with respect the same sensing direction, enabling push-pull operation. The push-pull bridge sensor of the present invention is integrated on a single chip. Additionally, an on-chip coil is disclosed to reset or calibrate the magnetization directions of the free layers of the magnetoresistive elements. | 2014-02-06 |
| 20140035571 | MAGNETORESISTIVE SENSORS HAVING REDUCED AMR EFFECTS - Embodiments related to magnetoresistive angle sensor layouts having reduced anisotropic magneto resistance (AMR) effects. Embodiments provide magnetoresistive angle sensor layouts that reduce or eliminate distortion related to AMR effects, can be more easily scaled up or down, and are more compact to use available surface area more efficiently. | 2014-02-06 |
| 20140035572 | Magnetic Layer with Grain Refining Agent - A magnetic sensor includes a magnetic layer comprising magnetic material and a grain refining agent. The magnetic layer having a grain-refined magnetic layer surface. A layer adjacent the magnetic layer has a layer surface that conforms to the grain-refined magnetic layer surface. | 2014-02-06 |
| 20140035573 | SINGLE-CHIP TWO-AXIS MAGNETIC FIELD SENSOR - The present invention discloses a design for a single-chip dual-axis magnetic field sensor, based on magnetic tunnel junction (MTJ) elements and permanent magnets integrated on a semiconductor substrate to produce two types of sensor bridges that detect orthogonal magnetic field components. The orthogonal magnetic field component detection capability results from the different types of sensor bridges that can be produced by varying the shape of the MTJ elements and the bias fields that can be created by permanent magnets. Because the permanent magnets can create orthogonal bias fields on the different sensor bridges, it is possible to use a single pinned layer to set direction for both sensor bridges. This is advantageous because it permits the two-axis sensor to be fabricated on a single semiconductor chip without the need for specialized processing technology such as local heating, or deposition of multiple magnetoresistive films with different pinned layers setting directions. | 2014-02-06 |
| 20140035574 | SYSTEM AND METHOD FOR ESTIMATING A NUCLEAR MAGNETIC RESONANCE RELAXATION TIME CUTOFF - A nuclear magnetic resonance relaxation time cutoff between results for a bound-water index of rock and a free-fluid index of the rock is determined. The determination is made based on measured and predicted values for permeability and/or wettability over a set of core plugs. The determination does not require a nuclear magnetic resonance operation performed on the core plugs under irreducible water saturation. | 2014-02-06 |
| 20140035575 | SENSITIVITY DISTRIBUTION GENERATING APPARATUS, MAGNETIC RESONANCE SYSTEM, SENSITIVITY DISTRIBUTION GENERATING METHOD, AND PROGRAM - A sensitivity distribution generating apparatus configured to generate sensitivity distribution data of a coil for receiving magnetic resonance signals from an imaging region including a first substance and a second substance different in resonant frequency is provided. The sensitivity distribution generating apparatus includes a reference image data generating unit configured to generate reference image data in which a region of the first substance is suppressed and a region of the second substance is emphasized, based on data obtained by executing a separation sequence for separating the first substance and the second substance from each other, and an estimating unit configured to estimate a sensitivity of the coil in the region of the first substance, based on a signal value of the region of the second substance in the reference image data. | 2014-02-06 |
| 20140035576 | Method and apparatus for accelerating magnetic resonance imaging - A method of MRI entails recording and storing MR signals from an object to produce an old set of data. A further measurement of the object is then initiated at a later time to record new MR data, whereby k-space is undersampled in the further measurement. The old data are corrected for changes in the new position of the object, for changes in the sensitivity and exact spatial positioning of the receiver coils as well as for changes in the actual field shimming. The old and new data are then combined to create a new, high resolution image of the object. | 2014-02-06 |
| 20140035577 | MAGNETIC RESONANCE IMAGING COORDINATED WITH A PHYSIOLOGICAL CYCLE - To carry out magnetic resonance (MR) tomography, a physiological parameter of an object to be examined is acquired as a function of time to detect a physiological cycle which repeats itself over time. First MR data is acquired for a first region, wherein all points of the first region are arranged in a region of a field of view of an MR system. Acquisition of the first MR data occurs selectively in first time intervals which are synchronized with the physiological cycle and are separated from each other by waiting intervals. Second MR data is acquired for a second region which adjoins the first region. Acquisition of the second MR data occurs in the waiting intervals between the first time intervals. | 2014-02-06 |
| 20140035578 | NUCLEUR MAGNETIC RESONANCE SYSTEM WITH FEEDBACK INDUCTION COILS - A nuclear magnetic resonance (NMR) system that uses a feedback induction coil to detect NMR signals generated within a substance is described herein. In one embodiment, the NMR system uses the Earth's magnetic field in conjunction with a transmitter coil that applies NMR sequences to a formation. The NMR sequences generate a weak NMR signal within the formation due to the weakness of the Earth's magnetic field. This weak NMR signal is detected using the feedback induction coil. | 2014-02-06 |
| 20140035579 | METHOD AND APPARATUS FOR ACQUISITION OF MAGNETIC RESONANCE DATA - In a method and magnetic resonance system for the acquisition of magnetic resonance data in a selected region of an examination subject, magnetic resonance data are acquired more than once using a magnetic resonance system, magnetic resonance data are acquired more than once from a selected partial region the portion of k-space filled with data corresponding to the selected region of the subject, and the multiply acquired magnetic resonance data are processed into a data set, the aforementioned partial region is selected so as to be located decentrally in k-space, meaning that it is asymmetrical relative to the center of k-space. | 2014-02-06 |
| 20140035580 | System for Optimized Low Power MR Imaging - A system acquires MR imaging data of a portion of patient anatomy associated with proton spin lattice relaxation time in a rotating frame using an RF (Radio Frequency) signal generator configured to generate RF excitation pulses and a magnetic field gradient generator configured to generate anatomical volume select magnetic field gradients for phase encoding and readout RF data acquisition. The RF signal generator and the gradient generator are configured to provide a rotating frame preparation pulse sequence comprising at least one of, (a) a T1 spin lattice relaxation in a rotating frame (T1ρ) preparation pulse sequence of adiabatic pulses comprising modulated RF pulses and modulated magnetic field gradients for slice selection and (b) a T2 spin-spin relaxation in a rotating frame (T2ρ) preparation pulse sequence of adiabatic pulses comprising modulated RF pulses and modulated magnetic field gradients for slice selection | 2014-02-06 |
| 20140035581 | INTERLEAVED BLACK AND BRIGHT BLOOD DYNAMIC CONTRAST ENHANCED (DCE) MRI - Interleaved black/bright imaging (IBBI) is performed using a magnetic resonance (MR) scanner ( | 2014-02-06 |
| 20140035582 | MAGNETIC RESONANCE IMAGING OF OBJECT IN MOTION - A magnetic resonance imaging method includes acquisition of datasets of magnetic resonance data from an object. At least some of the datasets are undersampled in k-space. Each dataset relating to a motion state of the object. Images are reconstructed from each of the datasets by way of a compressed sensing reconstruction. Motion correction is applied to the reconstructed images relative to a selected motion state, so as to generate motion corrected images. A diagnostic image for the selected motion state is derived, e.g. by averaging from the motion corrected images. | 2014-02-06 |
| 20140035583 | MAGNETIC RESONANCE IMAGING APPARATUS - A magnetization vector is detected for each pixel position in an imaging region including at least part of a subject, the magnetization vector being excited to have a phase difference between a flow portion and a static portion or between a normal portion and an abnormal portion. A pixel value at each pixel position is determined as a value proportional to an absolute value of the amplitude of the magnetization vector detected for each of the pixel positions. On the basis of a real part or phase of the magnetization vector detected for each of the pixel positions, the determined pixel value is corrected so that the difference of the pixel value increases between (a) the flow portion or the abnormal portion and (b) the static portion or the normal portion. | 2014-02-06 |
| 20140035584 | A MICROFLUIDIC CELL AND A SPIN RESONANCE DEVICE FOR USE THEREWITH - A microfluidic cell comprising: a microfluidic channel ( | 2014-02-06 |
| 20140035585 | Shim Coil Arrangement with Integrated Spacers - A shim coil arrangement for a magnetic resonance tomography system includes one or more spacers. | 2014-02-06 |
| 20140035586 | NUCLEAR MAGNETIC RESONANCE LOGGING TOOL HAVING AN ARRAY OF ANTENNAS - An improved system and method for ranging while drilling, in effect, induces a dynamic hot spot on the casing of a nearby well. The induced hot spot acts as a magnetic source that can be reliably detected from within the drillstring and in such a manner as to infer the relative position and orientation of the casing to the drillstring. At least some disclosed method embodiments employ one or more rotating magnets in the drillstring, an array of at least two magnetometers in the drillstring and one or more phase-locked loops that are used to enhance the signal to noise ratio of the magnetic signal scattered off of the casing from the rotating magnetic field. The rotating magnet or magnets may be magnetic dipoles or magnetic multipoles, and may be modulated to enable the use of multiple magnetic field sources. | 2014-02-06 |
| 20140035587 | METHODS AND APPARATUS FOR GENERATING ELECTRONIC RECORDS OF LOCATE OPERATIONS - Exemplary apparatus include locate devices that generate, store and/or transmit electronic records of locate information relating to detection of underground facilities. An exemplary method for analyzing and processing locate information includes a computer-implemented method for visually rendering (e.g., in a display field of a display device) various aspects of locate operations. In one implementation, an output stream of data packets may be provided, wherein each data packet includes one or more flag fields that are set or reset upon at least one actuation of an actuation system of a locate device, and wherein at least some of the data packets include locate information relating to a locate operation. | 2014-02-06 |
| 20140035588 | BOREHOLE PARTICLE ACCELERATOR - Borehole tools and methods for analyzing earth formations are disclosed herein. An example borehole tool disclosed herein includes an RF particle accelerator. The particle accelerator includes at least one accelerator waveguide for accelerating electrons. The accelerator waveguide is a dielectric lined accelerator. | 2014-02-06 |
| 20140035589 | DETECTION SYSTEM OF GEOLOGICAL FORMATIONS - A detection system of geological formations, particularly but not exclusively used for oil exploration, and for characterization and monitoring of hydrocarbon reservoirs. The detection system includes an electromagnetic transmission device positioned on a surface of a geological formation close to a first well having a vertical development direction, the first well being covered by a metal casing, and an electromagnetic reception device positioned deep inside the first well, the electromagnetic reception device including an electromagnetic detector. The electromagnetic transmission device includes a primary electromagnetic field generator configured to generate a primary electromagnetic field focalized in a direction of the metal casing, the metal casing irradiating the primary electromagnetic field into the geological formation. | 2014-02-06 |
| 20140035590 | DIELECTRIC TOOL-BASED FORMATION POROSITY LOGGING SYSTEM AND METHODS - A method and system for calculating formation porosity is presented. The method includes calculating formation porosity of a borehole by obtaining complex dielectric constant measurements with a high frequency dielectric tool. Next, a dielectric constant of formation water is derived from the complex dielectric constant measurements. Finally, a formation porosity is determined based at least in part on the measured complex dielectric constant and the derived dielectric constant formation water. | 2014-02-06 |
| 20140035591 | PROBE FOR MONITORING THE ELECTRICAL CONDUCTIVITY OF SOIL SOLUTIONS - A probe for monitoring electrical conductivity of soil solutions is provided. The probe includes an upper hollow tube section stoppered at one end, a lower hollow tube section capped at its bottom with a porous ceramic material for inserting into soil, a T fitting connecting the other end of the upper hollow tube section in vertical alignment with the lower hollow tube section, said T fitting having an aperture which is stoppered, an electric conductivity (EC) sensor electrode inserted through the stopper of the upper hollow tube section into the lower hollow tube section, and a vacuum tube inserted through the stopper of the aperture of the T fitting extending into the lower hollow tube section. Ground solution can be withdrawn from the probe via the vacuum tube by a vacuum generator and fresh ground solution can be drawn into the probe without removing the sensor probe from the probe. | 2014-02-06 |
| 20140035592 | METHOD FOR MONITORING A BATTERY PACK, BATTERY WITH A MONITORING MODULE AND A MOTOR VEHICLE WITH A CORRESPONDING BATTERY - A method is used for monitoring a battery pack to check claims under guarantee that could possibly be invalid due to incorrect opening of the battery pack. The battery pack includes at least one electrochemical cell. When the battery pack is monitored, whether the battery pack has been opened is detected and any details relating to an event of opening are recorded in a non-erasable storage medium. | 2014-02-06 |
| 20140035593 | METHOD FOR THE PRODUCTION OF A FLAME IONIZATION DETECTOR AND CORRESPONDING FLAME IONIZATION DETECTOR - A flame ionization detector having at least one combustion chamber, at least one conduit for directing a gas or gas mixture, and at least one electrode structure, and a process for forming the flame ionization detector by providing two or more green ceramic films, forming geometric structures in said green ceramic films, depositing at least a portion of an electrically conductive structure on at least one of said green ceramic films, stacking said green ceramic films, laminating said green ceramic films, and sintering said laminated green ceramic films to faun said flame ionization detector. | 2014-02-06 |
| 20140035594 | ELECTRIC LEAKAGE DETECTING APPRATUS - An electric leakage detecting apparatus is provided with: a first protective resistor in which one end is connected to the positive terminal of a battery; a first detecting resistor in which one end is connected to the other end of the first protective resistor; a second detecting resistor in which one end is connected to the other end of the first detecting resistor; a second protective resistor in which one end is connected to the other end of the second detecting resistor, and the other end is connected to the negative terminal of the battery; a chassis ground that is connected to one end of the second detecting resistor; a switch for applying a reference voltage to one end of the second detecting resistor at an arbitrary timing; and an electric leakage determining circuit that determines the presence of an electric leakage at a midpoint of the battery. | 2014-02-06 |
| 20140035595 | ON-LINE MONITORING SYSTEM FOR USE WITH ELECTRICAL ASSETS AND METHOD OF OPERATING THE SAME - A system configured to monitor an operating electrical device includes a testing channel coupled to the device. The device is coupled to an electric power source through at least one electric power transmission channel. The power source is configured to transmit electric power at a first frequency. The testing channel is coupled to the power transmission channel. The system also includes a signal generator coupled to the testing channel. The signal generator is configured to inject testing signals into the testing channel at a second frequency that is greater than the first frequency. The system further includes at least one apparatus magnetically coupled to the power transmission channel. The magnetically coupled apparatus is configured to present a first impedance to the electric power at the first frequency and present a second impedance to the test signals at the second frequency. The second impedance is greater than the first impedance. | 2014-02-06 |
