| 36th week of 2008 patent applcation highlights part 19 |
| Patent application number | Title | Published |
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| 20080211415 | RESISTIVE BYPASS FOR SERIES LIGHTING CIRCUIT - A resistor bypass circuit for a series lighting circuit includes a plurality of serially connected light sources and a bypass resistor being connected in parallel with at least one of the respective light sources, each respective light source being low wattage and being capable operating on a one hundred percent duty cycle as desired. | 2008-09-04 |
| 20080211416 | ILLUMINATION DEVICES USING EXTERNALLY INTERCONNECTED ARRAYS OF LIGHT EMITTING DEVICES, AND METHODS OF FABRICATING SAME - A light emitter, comprising light emitting devices mechanically interconnected by a common substrate and an interconnection submount. The light emitting devices are electrically interconnected by the submount to provide an array of serially connected subsets of light emitting devices, each subset comprising at least three light emitting devices electrically connected in parallel. Also, a light emitter comprising first light emitting devices mechanically interconnected by a first common substrate, and second light emitting devices mechanically interconnected by a second common substrate, the first light emitting devices being mechanically and electrically connected to the second light emitting devices. Also, a light emitter comprising mechanically interconnected light emitting devices and means for mechanically and electrically interconnecting the plurality of light emitting devices to provide an array of serially connected subsets of light emitting devices, each subset comprising at least three light emitting devices electrically connected in parallel. Also, methods of fabricating light emitters. | 2008-09-04 |
| 20080211417 | Stepless Dimming Fluorescent Lamp and Ballast Thereof - A fluorescent lamp adapted for effecting stepless dimming with a regular SCR dimmer, comprising a filter and rectifier circuit ( | 2008-09-04 |
| 20080211418 | Inverter circuit with single sampling unit and liquid crystal display with same - An exemplary inverter circuit ( | 2008-09-04 |
| 20080211419 | Method and apparatus for driving a light emitting diode - An apparatus includes circuitry that responds to application to its input of an alternating current input signal by producing at its output an output signal suitable for driving an electronic light generating element. The circuitry includes a regulating section that has a magnetic switch and that causes a current flowing through the output to be maintained substantially at a selected value. A different aspect relates to a method for operating circuitry having an input, an output and a magnetic switch. The method includes causing the circuitry to respond to application to its input of an alternating current input signal by producing at its output an output signal suitable for driving an electronic light generating element, where the magnetic switch is used in regulating a current flowing through the output so as to maintain the current substantially at a selected value. | 2008-09-04 |
| 20080211420 | Short arc lamp driver and applications - A short arc lamp driving circuit includes a trigger boosting circuit, a flash current control circuit, and a closed loop exposure control and calibration circuits that, when combined, can produce short pulses of light with short time separation, quasi-continuous illumination light, and meanwhile, an extremely large dynamic range of delivered and/or calibrated light power or energy. | 2008-09-04 |
| 20080211421 | Light Emitting Device For Ac Power Operation - Disclosed is an improved light-emitting device for an AC power operation. A conventional light emitting device employs an AC light-emitting diode having arrays of light emitting cells connected in reverse parallel. The arrays in the prior art alternately repeat on/off in response to a phase change of an AC power source, resulting in short light emission time during a ½ cycle and the occurrence of a flicker effect. An AC light-emitting device according to the present invention employs a variety of means by which light emission time is prolonged during a ½ cycle in response to a phase change of an AC power source and a flicker effect can be reduced. For example, the means may be switching blocks respectively connected to nodes between the light emitting cells, switching blocks connected to a plurality of arrays, or a delay phosphor. Further, there is provided an AC light-emitting device, wherein a plurality of arrays having the different numbers of light emitting cells are employed to increase light emission time and to reduce a flicker effect. | 2008-09-04 |
| 20080211422 | Halogen Lamp - The present invention discloses a halogen lamp, which comprises at least two burners, and a mains-toggle control means for controlling said at least two burners to operate alternatively, in order to achieve different illuminating effects, e.g. to achieve different illuminating angles or different illuminating brightness modes, etc. | 2008-09-04 |
| 20080211423 | Multiple-Light Discharge Lamp Lighting Device - To provide a multiple-light discharge lamp lighting device that stabilizes and equalizes tube current of a plurality of discharge lamps without arranging a Ballast element to the secondary side of an inverter transformer with low costs. A multiple-light discharge lamp lighting device | 2008-09-04 |
| 20080211424 | MULTI-DISCHARGE TUBE LIGHTING APPARATUS - A multi-discharge tube lighting apparatus connectable to a power source comprising a first output terminal and a second output terminal respectively outputting voltages of opposite phases, the lighting apparatus comprises first to n-th discharge tube units where n represents an integer of two or more, each of which has a first end connected to the first output terminal and a second end connected to the second output terminal and comprises at least one discharge tube, a first winding, and a second winding, which are connected in series between a first end and a second end. The first winding of the first discharge tube unit is electromagnetically coupled via a transformer to the second winding of the n-th discharge tube unit. The first windings of the second and subsequent discharge tube units are electromagnetically coupled via transformers to the second windings of the previous discharge tube units, respectively. | 2008-09-04 |
| 20080211425 | AUTOMOTIVE HID HEADLAMP BALLAST CONTROL IC - A ballast control integrated circuit for a ballast driving a high intensity discharge (HID) lamp. The control integrated circuit has a first circuit for controlling a DC to DC converter receiving a first DC voltage and providing an increased DC voltage. The first circuit includes a driver for providing a pulsed signal to drive a first switch coupled to a flyback transformer of the DC to DC converter. A second circuit controls a DC to AC converter, the second circuit controlling a switching circuit receiving the increased DC voltage and driving the HID lamp with an AC voltage. The second circuit has a driver circuit for driving the switching circuit. The switching circuit is an H-bridge switching circuit coupled to drive the HID lamp. | 2008-09-04 |
| 20080211426 | Lamp Current Balancing Topologies - A method according to on embodiment may include generating AC voltage and current and a striking voltage. The method of this embodiment may also include generating striking voltage and steady-state voltage for at least two lamp loads. The method of this embodiment may also include coupling at least two lamp loads in parallel. The method of this embodiment may also include coupling current balancing circuitry to the at least two lamp loads and providing, by the current balancing circuitry simultaneous striking voltage to the at least two lamps loads. The method of this embodiment may also include balancing, by the current balancing circuitry, AC current through the at least two lamp loads. Of course, many alternatives, variations, and modifications are possible without departing from this embodiment. | 2008-09-04 |
| 20080211427 | Lighting System and Method for Controlling a Lighting System - A lighting system with a base station and a plurality of lighting units, as well as a method for controlling a lighting system are described. Each lighting unit ( | 2008-09-04 |
| 20080211428 | MICROPROCESSOR-CONTROLLED MULTIFUNCTIONING LIGHT WITH INTRINSICALLY SAFE ENERGY LIMITING - An intrinsically safe energy limited circuit for space-restricted applications includes a fuse and resistor in series with a protected circuit or component wherein the fuse dissipates most of the power when the protected circuit or component is short circuited. | 2008-09-04 |
| 20080211429 | LED lamp - An improved LED lamp not suffering from excessive heat generation with bright illuminating property, includes an LED array having one or more of LED devices arranged, a mounting base for mounting the LED array thereon, and a light guide member extending to cover the LED array on the mounting base, the light guide member being made of white translucent acrylic resin having a transmittance from 60% to 88%. Where the light guide member has lens function and ultraviolet absorbing function, the light emitted from the lamp can be expanded well with containing less ultraviolet rays. | 2008-09-04 |
| 20080211430 | Remote control of electronic light ballast and other devices - An electronic ballast system controls one or more ballasts of HID or fluorescent lamps, which are controlled in an “on/off” manner by a ultra low power controller that is isolated for a primary power circuit or derives its very low switch power from the ballast itself. The on/off control provides a near lossless control system. This system may be applied to electronic ballast for operates at fractional power levels corresponding to different lighting intensities and with conventional occupancy sensors. The system may also be applied to other electronically compatible end-use devices and applications. | 2008-09-04 |
| 20080211431 | Pulse-to-Pulse-Switchable Multiple-Energy Linear Accelerators Based on Fast RF Power Switching - A method and apparatus for modulating at least one of energy and current of an electron beam in a linac for fast switching of particle beam energy on a time scale comparable with, and shorter than, the interval between linac pulses. Such modulation may be achieved by dividing, in a coupler, a radio-frequency (RF) field into field components and coherently adding these components in a phase shifting section to selectively direct the RF field to a chosen section of the linac. The phase shifting section may include at least one arm containing at least one fast switch and at least one phase changer. In specific embodiments, the phase shifting section may include an electronically controlled plasma switch and a plasma short. | 2008-09-04 |
| 20080211432 | All Wheel Drive Vehicle - The present invention relates to the field of electric-motor-driven vehicles such as cars, motorcycles, scooters, electric-motor trains, etc. Embodiments of the invention seek to provide an economic all-wheel-drive (AWD) vehicle possessing high dynamic characteristics and a relatively simple scheme of control over the operation of electric motors. An AWD vehicle according to the disclosed invention contains at least two gearless (direct-drive) electric motors, an electric power supply source, and an electric motor power supply control unit. At least one of said motors is a start-up (barring) motor and at least one is a cruise (propulsion) motor. Each of said motors comprises (i) at least one circular magnetic conductor on which an even number of permanent magnets are uniformly arranged with a certain pitch; (ii) a circular frame separated from said magnetic conductor by an air gap and bearing an even number of electromagnets arranged in pairs one opposite to another; and (iii) a device switching the polarity of voltage applied to said electromagnets. Each pair of electromagnets situated one opposite to another corresponds to a certain phase of the electric motor, the number (m | 2008-09-04 |
| 20080211433 | Vehicle Driving System - To provide a four-wheel driving system capable of obtaining a rotating speed very accurately and improving motor controllability. | 2008-09-04 |
| 20080211434 | System, Method and Computer Readable Media for Reducing Wheel Sliding on a Locomotive - A system for reducing wheel sliding on a locomotive is provided for a locomotive including a plurality of axles. The system includes one or more speed inferring systems coupled to each axle to detect rotation of each axle and generate detection signals based upon detecting rotation of each axle. The detection signals include one of speed signals indicative of locomotive speed and non-rotating signals indicative of a non-rotating axle. More particularly, a main controller is coupled to each speed inferring system and is responsive to each detection signal. The main controller identifies non-rotating signals of the detection signals to initiate one or more alert signals of one or more respective non-rotating axles of the plurality of axles. Additionally, the main controller is coupled to an operator panel to alert a locomotive operator of an applied status of a locomotive parking brake in response to the alert signal. | 2008-09-04 |
| 20080211435 | VIBRATION GENERATOR - A vibration generator has an oscillator including a magnet and a holding member for holding the oscillator based on a magnetic force emitted from the oscillator. The holding member includes a magnet or a magnetic body. The oscillator vibrates relative to the holding member. A magnetic force between the oscillator and the holding member defines a natural period of vibration of the oscillator relative to the holding member. When a periodic current is supplied to an electromagnetic coil fixed to the holding member, the oscillator vibrates relative to the holding member so as to synchronize with the period of the periodic current. By synchronizing the period of the periodic current with a natural period, the oscillator resonates. | 2008-09-04 |
| 20080211436 | Measuring Apparatus with a Measuring Head for Determining the Position of a Primary Part on a Secondary Part and Method for Determining the Position of a Primary Part on a Secondary Part wtih a Measuring Head - The invention relates to a measuring apparatus comprising a sensing head ( | 2008-09-04 |
| 20080211437 | POWER SUPPLY SYSTEM FOR DRIVING ELECTRIC ROTATING MACHINE - An electric power supply system for driving an electric rotating machine has a generator supplied with driving power from an engine to generate alternating-current electric power and a matrix converter as an alternating-current to alternating-current direct converter supplied with the alternating-current electric power to output arbitrary alternating-current electric power. By driving a motor with the alternating-current electric power supplied from the matrix converter, only one time electric power conversion is carried out to provide high efficiency in the whole system. In addition, electric power loss can be reduced so as to enhance a motor output when the system is applied to a vehicle power supply system. | 2008-09-04 |
| 20080211438 | Fully Charged Battery Protection - A method for protecting against overcharging a battery of a light-weight utility vehicle during regenerative braking includes controlling a regenerative braking process such that a predetermined activation amount of braking torque is produced by a motor of the vehicle when braking torque within a full braking range is initially requested. The predetermined activation amount of braking torque is less than the full braking range. The method additionally includes reading a voltage across a battery of the vehicle induced by a current generated by the motor as the activation amount of braking torque is produced. The method further includes increasing the amount of braking torque produced by the motor, if the voltage across the battery is less than a specified battery voltage threshold. | 2008-09-04 |
| 20080211439 | DRIVE DEVICE FOR A BRUSHLESS MOTOR - A drive device for a brushless motor executes an abnormality diagnosis (disconnection/short-circuit) of a motor side circuit. In detecting abnormality of the motor side circuit, the drive device includes a terminal voltage monitor circuit that monitors a terminal voltage of an output terminal that is connected to a motor terminal of respective phases. A microcomputer starts abnormality diagnosis under a condition where the motor is stopped, and an object to be driven has normally operated at the time of driving the motor. For executing the abnormality diagnosis, the microcomputer turns on/off only a transistor of the drive circuit of one phase in a state where all of transistors are turned off, and acquires monitor signals to execute the abnormality diagnosis based on signal levels of the monitor signals. | 2008-09-04 |
| 20080211440 | MEASUREMENT OF SPEED AND DIRECTION OF COASTING PERMANENT MAGNET SYNCHRONOUS MOTOR - A method for determining the speed of rotation of an unpowered, coasting electric motor, driven, when powered, by an electronic inverter, and without activating switches of the inverter. The steps include determining an electrical frequency of a back emf signal generated at a terminal of the motor or switching node of the inverter when the motor is coasting and determining the mechanical motor frequency and thus speed of rotation by dividing the electrical frequency by the number of motor pole pairs. | 2008-09-04 |
| 20080211441 | MOTOR CONTROLLER OF ELECTRIC POWER STEERING DEVICE - In a motor controller which supplies electric power to a motor of an electric power steering device from a main power supply and an auxiliary power supply, an N-channel MOS-FET is connected in parallel with a diode which is provided to prevent a sneak current from the auxiliary power supply to the main power supply. When electric power is supplied to the motor from the main power supply, the MOS-FET is turned on. Then, most of currents flow into the MOS-FET such that a power loss is reduced and a reduction in efficiency is prevented. The MOS-FET has high speed responsibility and excellent durability. | 2008-09-04 |
| 20080211442 | SEATBELT APPARATUS - This seatbelt apparatus includes: a belt reel around which a belt is wound; a motor which rotationally drives the belt reel; a transmitting device which transmits a driving power between the belt reel and the motor; a controller which drives the motor while controlling an electricity to be supplied to the motor; a rotation-detection device which detects a rotation status of the belt reel. The rotation-detection device outputs, in accordance with a rotation of the belt reel, a plurality of outputs including signals indicating a first state in which a current consumption by the rotation-detection device is larger than a predetermined value, and a second state in which the current consumption by the rotation-detection device is smaller than the predetermined value. The controller executes a first motor-driving process in which the motor is driven based on an output from the rotation-detection device until reaching the second state. | 2008-09-04 |
| 20080211443 | ELECTRONIC APPARATUS AND METHOD OF CONTROLLING ELECTRIC MOTOR MOUNTED IN ELECTRONIC APPARATUS - An electronic apparatus includes: a timer member that clocks time on the basis of the power supplied from a power source. A power supply member supplies the power to an electric motor of the electronic apparatus and to the timer member from the power source and interrupts the power supply thereto. A heat storage calculating member calculates heat storage of the electric motor and calculates heat storage of the electric motor after stop of the drive on the basis of the time clocked by the timer member. A controller controls the electric motor and controls the power supply member by initiating power-on and power-off operations. This is performed so as to maintain the power supply to the timer member and the heat storage calculating member during a predetermined time, even after the power-off operation of the operation member. | 2008-09-04 |
| 20080211444 | Control Apparatus for Transmission Mechanism, Transmission, Vehicle Provided Therewith, Method of Controlling the Transmission Mechanism, and Method of Estimating Heat Value of Electric Motor in the Transmission Mechanism - A motorcycle has a transmission including a transmission mechanism and an electronic control unit (ECU). The transmission mechanism includes a crankshaft as an input shaft, a driven shaft as an output shaft and an electric motor. The electric motor changes continuously the transmission ratio between the crankshaft and the driven shaft. The ECU estimates the heat value of the motor from a rate of change in the transmission ratio. When the estimate heat value reaches or exceeds a specified value the electric motor is restricted or stopped. | 2008-09-04 |
| 20080211445 | AIRCRAFT CABIN PRESSURE CONTROLS: DUTY CYCLE OFFSET TO COMPENSATE FOR ASYMMETRIC MOTOR LOADING IN AN OPEN-LOOP MOTOR CONTROL SYSTEM - A cabin pressure control system (CPCS) software control logic modification may boost the voltage applied to a motor by applying a duty cycle offset to compensate for asymmetric motor loading. The motor may be part of an open-loop system for operating a butterfly valve that may regulate outflow from the aircraft cabin. In CPCS applications, the loading on the butterfly valve is unidirectional due to a mechanical spring and pneumatic loading, thus, causing asymmetric loading to the motor. By boosting the motor voltage when the motor is required to act against the asymmetric load, CPCS performance and robustness may be improved. | 2008-09-04 |
| 20080211446 | Control Apparatus of Electric Power Steering Apparatus - The present invention provides a control apparatus of a electric power steering apparatus which can suppress a vibration and a noise of a motor caused by a torque ripple which is generated at a tie of applying a field-weakening control to the motor or on the basis of a motor circulating current. Accordingly, the control apparatus actually measures a relation between a basic correcting current and a rotor position which can suppress the torque ripple generated at a time of applying the field-weakening control or the torque ripple based on the motor circulating current, previously, and adds a correcting current which is regulated by taking into consideration a magnitude of a weak field current of a correcting current, a magnitude of an angular velocity of the rotor or an electrical angle of the circulating current with respect to the basic correcting current, to an original current command value. | 2008-09-04 |
| 20080211447 | Motion Control Using Electromagnetic Forces - Motion control using electromagnetic forces. The control of motion in unpowered apparatus and an apparatus driven by electric motors and/or other prime movers utilizes electromagnetic force/torque for control of motion. One objective is to extend the domain of electric motor speed control, traditionally characterized by electronic techniques, to small apparatus such as bubble vibration toys, paper dispensers, toothbrushes and other appliances. | 2008-09-04 |
| 20080211448 | SYNCHRONOUS MACHINES - The present invention relates to electrically magnetized synchronous machine comprising an electrically magnetized rotor, and electrically supplied sator windings, whereby it further comprises non-linear means, optionally controllable, such as rectifying means in a series with three sator phase windings, whereby a rotor field winding is arranged to be fed from said non-linear means. | 2008-09-04 |
| 20080211449 | Multiphase Current Supplying Circuit, Driving Apparatus, Compressor And Air Conditioner - A multiphase current supplying circuit includes a converter, an intervening circuit, an inverter, a control circuit and a lightning arrester. A power supply system is connected to the converter with the lightning arrester interposed therebetween, and the ac voltage is rectified. The intervening circuit includes a capacitor and a bypass connected in parallel thereto. In the bypass, a diode, a resister and a capacitor are connected in series, and the direction from an anode to a cathode of the diode corresponds to the direction from a high potential side to a low potential side of the smoothing capacitor. | 2008-09-04 |
| 20080211450 | ROTATING MACHINERY CONTROLLER - A rotating machinery includes a first control member for performing rectangular wave control by operating the switching devices of an inverter such that an on-state and an off-state occur once for one cycle period in electrical angle of a motor, a second control member for operating the switching devices on the basis of a magnitude relation between upper and lower limits of a predetermined hysteresis region and an actual current flowing through the motor, and a switching member for, when the actual current deviates from the hysteresis region while the rectangular wave control is undertaken, switching the control to an instantaneous current value control performed by the second control member. | 2008-09-04 |
| 20080211451 | METHOD FOR SUPPLYING POWER WITH LIGHT VOLTAGE BATTERY, DEVICE AND SYSTEM THEREOF - The present invention relates to solar battery technological, and embodiments of the present invention provide a method, device and system for supplying power with light voltage battery. In the embodiments provided by the present invention, through a parameter scale value corresponding to electric energy generated by a tested object under current illumination condition, by adaptively adjusting a connection manner among multiple light voltage battery units in the light voltage battery combination unit, it is applicable to obtain needed electric energy from the light voltage battery combination unit. By this method, when light voltage battery is applied and illumination condition keeps changing, it can avoid the light voltage battery combination unit from outputting over-voltage or under-voltage electric energy. More important, in the present invention's embodiment, a DC/DC converter is not used to adjust battery's output voltage, thus the embodiment can avoid wasting the electric energy collected by light voltage battery to the best and provide sufficient electric energy for power-consuming devices to the best. | 2008-09-04 |
| 20080211452 | Portable self regenerating power system - An energy storage system, more particularly to a power distribution system for providing power for an indeterminate period of time. The power distribution system comprises means for converting the energy from an alternator to AC/DC circuits. The alternator transmits electric current to a battery, where an inverter is electrically connected to the battery and transmits AC power to low-load circuits. A DC control panel is connected to the battery and transmits electric current from the battery to low-load DC circuits. The power system is part of a portable toolbox. The system is connected to a vehicle's charging system and would continually recharge it self. The battery for the system is connected to the vehicle's alternator through an isolator, or connected directly to the alternator or battery of the vehicle and would transmit a direct electric current to the battery for the system which stores the charge. The inverter is electrically connected to the battery for the system and transmits an electric current from the battery to one or more low-load circuits. | 2008-09-04 |
| 20080211453 | Method for Controlling a Vehicle Electric System - A method for controlling the electrical system of a motor vehicle with a generator, a battery to supply the electrical system, at least one load and a storage capacitor for brief supply of electrical power on demand, during which the battery is charged when the generator produces excess electrical power is provided. The load is supplied and the battery and the storage capacitor are charged by the generator in load operation or fuel cutoff. The load is additionally supplied by the battery and/or the storage capacitor when the instantaneous generator power is not sufficient. An instantaneously required electrical load power in load operation or fuel cutoff is recorded the load power is compared with an idle power of the generator, and the storage capacitor is charged by the generator when the idle power of the generator is less than the load power in load operation or fuel cutoff. | 2008-09-04 |
| 20080211454 | BATTERY PACK HAVING A SECONDARY BATTERY AND A CHARGING SYSTEM USING THE BATTERY PACK - A battery pack including at least one secondary battery and supplying power to predetermined equipment is disclosed. In the battery pack, charging current to the secondary battery supplied from an external charging device is cut oft to suspend charging the secondary battery until receiving a predetermined instruction from the external charging device. | 2008-09-04 |
| 20080211455 | Rechargeable Power Supply, Battery Device, Contactless Charger System And Method For Charging Rechargeable Battery Cell - A system, method and apparatus for contact-less charging of battery operated devices is presented. There is a host charger with a power converter and resonant tank circuit and a portable device where the battery is located, with a battery charging control IC. The method obviates the need for a voltage controller in each of both the host and the portable stages, thus decreasing complexity and increasing efficiency. The charging of the battery in the portable device is controlled by a charging controller therein, which is in continual electric communication with the host, whose output power the control IC dynamically monitors and controls. Two embodiments for the charging circuitry in the portable device are presented. In one embodiment component count is minimized but battery charging is not optimized when the battery voltage is very low. In the other embodiment charging efficiency is maximized regardless of the output voltage of the battery, but additional components are utilized. | 2008-09-04 |
| 20080211456 | Device and Method for Charge Equalization of Series-Connected Individual Cell of an Energy Accumulator - A device and a method equalize a charge of series-connected individual cells of an energy accumulator with a DC/DC converter. The DC/DC converter draws energy from the energy accumulator or from another power source for charging an intermediate circuit capacitor whose voltage is inverted in a DC/AC converter and the alternating voltage is converted into an intermittent direct current by a rectifier via an AC bus and a coupling element. A switch is placed between the AC bus and each cell thereby enabling the cell to be coupled to the AC bus or disconnected therefrom. | 2008-09-04 |
| 20080211457 | Energy Storage Unit - An energy storage unit has several storage elements ( | 2008-09-04 |
| 20080211458 | CHARGING DISPLAY SYSTEM - In one aspect, a method is provided for operating a charging display system that is capable of wirelessly charging a rechargeable device positioned on a connector-less charging surface. In accordance with the method, the presence of a chargeable device on the charging surface is detected and the type of the chargeable device is identified. A set of interaction options based upon the identity of the chargeable device with the set, including a charging interaction option, is determined and, a displayable output signal based upon the determined set interaction options is generated. The set of interaction options is initiated based upon the detected presence of the chargeable device on the charging surface and the identified device type and, the output signal is presented on a display of the charging device. | 2008-09-04 |
| 20080211459 | BATTERY MANAGEMENT SYSTEM AND DRIVING METHOD THEREOF - A battery management system is provided for managing a battery that supplies power to a vehicle. The battery includes a plurality of cells. The battery management system includes a sensing unit for measuring a voltage of each of the plurality of cells. The battery management system detects at least one first cell among the plurality of cells that needs to be balanced according to the measured voltage of each of the plurality of cells. In addition, the battery management system performs a cell balancing operation on said at least one first cell by using different methods according to a driving state of the vehicle. | 2008-09-04 |
| 20080211460 | CHARGING METHOD AND SYSTEM FOR ADJUSTING CHARGING CURRENT - A charging method and a system for adjusting a charging current are provided. A charge capacity and a charge current rate of a rechargeable battery are read for adjusting an output current of a battery charger. As a result, the output current of the battery charger can be adjusted according to the decrease of the charge capacity of the rechargeable battery, thereby achieving the purpose of elongating the service life of the rechargeable battery. | 2008-09-04 |
| 20080211461 | CAPACITOR CHARGING CIRCUIT, FLASH UNIT, AND CAMERA - The present invention provides a flash discharging circuit for simplifying the charging of electric power in a capacitor. When energy discharged from a transformer for storing and discharging energy is charged in a main capacitor of the circuit, a detection voltage inputted to a first input terminal of a comparator so as to detect a primary current flowing through a primary winding of the transformer is compared with a reference voltage inputted to a second input terminal of the comparator. According to a result of the comparison, it is detected that a predetermined primary current flows through the primary winding of the transformer. When the primary current flowing through the primary winding of the transformer is turned off, the reference voltage is set to be lower than the detection voltage. | 2008-09-04 |
| 20080211462 | METHOD AND APPARATUS FOR ACTIVE POWER FACTOR CORRECTION - A power factor correction method and apparatus which use Pulse Frequency Modulation (PFM) to control an AC/DC converter is disclosed. The average current drawn by the AC/DC converter is compared with a reference sinusoidal signal and the error is used to determine the switching frequency. The switching frequency varies with the sinusoidal reference signal such that the converter emulates a resistive load. By using PFM control, EMI is spread over a range rather than concentrated at a few frequencies. Since the switching frequency decreases with the loading of the converter, the switching loss decreases with the loading as well. Thus, the need of meeting efficiency standards, e.g. the 80 PLUS and Energy Star, can be fulfill without extra circuitry. | 2008-09-04 |
| 20080211463 | METHOD AND APPARATUS FOR ACTIVE POWER FACTOR CORRECTION WITHOUT SENSING THE LINE VOLTAGE - A power factor correction apparatus which uses Pulse Frequency Modulation (PFM) to control an AC/DC converter is disclosed. Only a current signal from the converter is used to determine the switching frequency. Sensing of the input line voltage is not needed. The switching frequency varies with the line voltage such that the converter emulates a resistive load. By using PFM control, EMI is spread over a range rather than concentrated at a few frequencies. Thus a smaller EMI filter can be used. Since the switching frequency decreases with the loading of the converter, the switching loss decreases with the loading as well. Thus, the need of meeting efficiency standards, e.g. the 80 PLUS and Energy Star, can be fulfill without extra circuitry. | 2008-09-04 |
| 20080211464 | SYSTEMS OF PARALLEL OPERATING POWER ELECTRONIC CONVERTERS - A converter unit is disclosed which produces an output voltage based on reference signals (u* | 2008-09-04 |
| 20080211465 | Soft-stop circuit and method for a voltage regulator - A soft-stop circuit and method are provided for a voltage regulator which converts a battery voltage to an output voltage according to a feedback voltage derived from the output voltage and a reference voltage, to control the voltage regulator to enter a soft-stop state when the battery voltage is lower than a threshold level, and in which state, and the output voltage is controlled to decrease so as for the battery voltage to have a slower decreasing speed and in turn a longer battery lifetime. | 2008-09-04 |
| 20080211466 | Voltage Generators Implementing Boosting Schemes for Generating Boosting Voltages and Related Liquid Crystal Displays (LCDS) and Methods - A voltage generators is provided including a boosting circuit and a boosting control circuit. The boosting circuit is configured to boost a power voltage to generate first through fourth voltages. The boosting control circuit is configured to control the boosting circuit to enable the first through fourth voltages to be generated in sequence, such that when a current voltage of the first through fourth voltages is boosted to a predetermined level, a voltage next to the current voltage is generated. Related liquid crystal displays and methods are also provided. | 2008-09-04 |
| 20080211467 | Method and circuit for reducing switching ringing in switching regulator - The present invention discloses a method and a circuit for reducing switching ringing in a switching regulator. The switching regulator comprises two transistors, and the two transistors are never simultaneously OFF. A phase lock loop may be provided to fix the output signal frequency of a PWM control circuit to a set frequency. | 2008-09-04 |
| 20080211468 | METHOD AND APPARATUS FOR SUPPLYING POWER - A power supply includes a power source having at least one power source output, and a plurality of drivers connected to the at least one power source output. At least one of the plurality of drivers includes a bridge network having a first switch, a second switch and a bridge network output. The first switch is connected between the at least one power source output and the bridge network output. The second switch is connected between the bridge network output and a ground. The bridge network further includes at least one control input connected to the second switch to direct electrical current from the at least one power source output either substantially through the bridge network output or through the second switch to ground. | 2008-09-04 |
| 20080211469 | STEP-DOWN CIRCUIT - A step-down circuit generates a second power supply lower than a first power supply. The step-down circuit includes an output terminal connected to a load circuit, an output transistor connected between the first power supply and the output terminal, and having a gate terminal connected to a first node, a monitor transistor connected between the first power supply and a second node, and having a gate terminal connected to the first node, and a feedback circuit which sets a gate voltage of the output transistor in accordance with a difference between a voltage obtained by dividing a voltage of the second node and a reference voltage. A size of the monitor transistor is changed in accordance with an operation mode of the load circuit. | 2008-09-04 |
| 20080211470 | Auto discharge linear regulator and method for the same - The present invention discloses an auto discharge linear regulator comprising: a basic linear regulator for converting an input voltage to an output voltage at an output node; a load detector circuit for detecting the load condition at the output node; and an discharge control circuit under control by the load detector circuit for discharging the voltage at the output node. | 2008-09-04 |
| 20080211471 | Adaptive leading-edge blanking circuit and method for switching mode power converter - In an adaptive leading-edge blanking circuit and method for a switching mode power converter, an inductor current of the converter is sensed and compared with a threshold to decide an end point of a leading-edge blanking time. Circuit and method are further provided for preventing the converter from entering pulse skipping mode, which employs a current trimming circuit in an oscillator for a PWM controller in the converter to reduce a charging current in the oscillator if the output voltage of the converter is excessively high, to thereby reduce the oscillator frequency and in turn lower the switching frequency of a high-side power switch of the converter. | 2008-09-04 |
| 20080211472 | PROGRAMMABLE ON-CHIP SENSE LINE - Disclosed herein is a system for controlling power supply voltage to an on-chip power distribution network. The system incorporates a programmable on-chip sensing network that can be selectively connected to the power distribution network at multiple locations. When the sensing network is selectively connected to the power distribution network at an optimal sensing point, a local voltage feedback signal from that optimal sensing point is generated and used to adjust the power supply voltage and, thus, to manage voltage distribution across the power distribution network. Additionally, the system incorporates a policy for managing the voltage distribution across the power distribution network, a means for profiling voltage drops across the power distribution network and a means for selecting the optimal sensing point based on the policy and the profile. Another embodiment of the system can further control power supply voltages to multiple power distribution networks on the same chip. | 2008-09-04 |
| 20080211473 | SYNCHRONOUS RECTIFIER HAVING PRECISE ON/OFF SWITCHING TIME - A synchronous rectifier, including an energy storage element having a terminal; a power supply input, connected to the terminal of the storage element in a first time interval; a reference line connected to the terminal of the storage element in a second time interval; and a zero comparator, coupled to the terminal of the storage element to detect a current flowing in the energy storage element and disconnect the terminal of the storage element from the reference line upon detecting a zero current, the zero comparator having an offset and a propagation time; the zero comparator further having an offset control input and an output. An offset regulating loop is coupled between the output of the zero comparator and the offset control input and regulates the offset of the zero comparator to compensate the propagation time. | 2008-09-04 |
| 20080211474 | Step-up/down DC-DC converter - A step-up/down DC-DC converter is disclosed that includes: a step-up/down part generating an output voltage by stepping up or down an input voltage; and a control part generating an error signal indicating an error between a voltage value obtained by dividing the output voltage and a predetermined reference voltage, and causing the step-up/down part to perform a step-up or step-down operation based on the comparison between the error signal and first and second triangle wave signals. The control part includes a first circuit generating the first triangle wave signal for step-down control and a second circuit generating the second triangle wave signal for step-up control. The first circuit generates a clock signal synchronized with the first triangle wave signal, and outputs the clock signal to the second circuit. The second circuit generates the second triangle wave signal synchronized with the first triangle wave signal based on the input clock signal. | 2008-09-04 |
| 20080211475 | Step-up converter - The present invention provides a current-mode control step-up converter capable of reducing the minimum duty ratio to a sufficiently small value and facilitating the setting of the maximum duty ratio. The step-up converter comprises a current detector | 2008-09-04 |
| 20080211476 | HIGH VOLTAGE SHUNT-REGULATOR CIRCUIT WITH VOLTAGE-DEPENDENT RESISTOR - A voltage regulator circuit comprising a first circuit functioning as a voltage dependent resistor, the first circuit having an input coupled to a voltage source and an output and having a resistance dependent on the voltage applied across the circuit by the voltage source such that the resistance increases as the applied voltage increases; and a regulator coupled to the output of the first circuit for providing a regulated output voltage. | 2008-09-04 |
| 20080211477 | VOLTAGE CONTROL CIRCUIT - A circuit for controlling voltage includes a condenser having a first end coupled to an input node of a target circuit, and a second end coupled to a predetermined fixed potential, a constant current source coupled to the first end of the condenser, and a control circuit configured to charge or discharge the condenser by the constant current source, to measure a first time period passing from start timing of the charge or discharge to timing at which a voltage at the first end of the condenser reaches a predetermined voltage, and to change an input condition or operation condition of the target circuit upon passage of a second time period from the start timing where the second time period is responsive to the first time period. | 2008-09-04 |
| 20080211478 | Frequency Controller Resonant Converter - A resonant converter is provided which may be used for supplying power to the primary conductive path of an inductively coupled power transfer (ICPT) system. The converter includes a variable reactive element in the resonant circuit which may be controlled to vary the effective inductance or capacitance of the reactive element. The frequency of the converter is stabilised to a nominal value by sensing the frequency of the converter resonant circuit, comparing the sensed frequency with a nominal frequency and varying the effective inductance or capacitance of the variable reactive element to adjust the converter frequency toward the nominal frequency. | 2008-09-04 |
| 20080211479 | THRESHOLD DETECTION IN BACK-UP POWER SUPPLY SYSTEMS - A threshold detection circuit includes, in one embodiment, a comparator having a first input connection for receiving a backup voltage from a backup power source, a second input connection for receiving a primary voltage from a primary power source, and an output connection for providing an output voltage; a first resistor and a first capacitor that are coupled in series between the first input connection and the output connection; and a second resistor that is coupled between the first input connection and the output connection, and that is coupled in parallel to the series of first resistor and the first capacitor | 2008-09-04 |
| 20080211480 | Method for the determination of a voltage limit of a clutch actuating motor - A method for the determination of a motor voltage limit, wherein a clutch actuator of an automated shift transmission remains motionless, including the steps of (a) raising or lowering a withstand voltage by an increment ΔU, starting from a current withstand voltage (U | 2008-09-04 |
| 20080211481 | Handheld spectral scanner - A handheld spectrum scanner has a radio module, a central processing unit (CPU), a display module, a power module for supplying power, and a switch setting module acting as controlling interfaces for inputting scan conductions. The radio module comprises an antenna, a filter amplifier, a transducer and a demodulator. The antenna receives frequency signals of wireless electric waves. The filter amplifier amplifies the frequency signals. The transducer and the demodulator analyze energy of the frequency signals and output scanned result to the CPU. The CPU compares variation of voltage level of the scanned result from the radio module based on scan conductions inputted by the switch setting module, and outputs determined result. The display module has a display for displaying the determined result from the CPU. | 2008-09-04 |
| 20080211482 | Method and Apparatus for Measuring the Frequency of a Received Signal - A method of measuring the frequency of a received signal comprising the steps of: generating a first phase signal by digitising the phase of the received signal; delaying the first phase signal by a predetermined amount to generate a second phase signal; calculating a phase difference between the first and the second phase signals; and calculating the frequency of the input signal from the phase difference. | 2008-09-04 |
| 20080211483 | Electronic Device with an Amplifier Output Stage and an Over-Current Detection Means - An electronic device with an amplifier output stage (OS) and an over-current detection means (OCDM) for detecting an output over-current (IHS, ILS) of the output stage (OS) is provided. The over-current detection means (OCDM) comprises a level detection means (LDM) for detecting a level of the output current ( | 2008-09-04 |
| 20080211484 | FLEXIBLE CURRENT TRANSFORMER ASSEMBLY - A current transformer assembly includes at least one Rogowski coil having a first closeable loop with an electrically conductive coil member and a first pair of terminals. An integrator unit has respectively a cable connected across the first pair of terminals of a respective Rogowski coil. Each respective Rogowski coil provides an output voltage received by the integrator assembly caused by when a respective electrical conductor on a phase of a multiphase circuit is arranged within an opening of the closeable first loop of the respective Rogowski coil, and provides an output signal proportional to a current in a conductor arranged in an opening of a Rogowski coil. At least one of the Rogowski coils includes an inline calibration unit for fast calibration and recalibration when retrofitting a monitor module that monitors a value of the current in one or more conductors. | 2008-09-04 |
| 20080211485 | Process for Identification of Compounds for Modulating the Activity of Sodium/Calcium Exchange Transporter - The invention refers to a cell free assay for determining the activity of a Na | 2008-09-04 |
| 20080211486 | AUTO-HANDLER COMPRISING PUSHERS EACH INCLUDING PELTIER DEVICE - In an auto-handler for use in conjunction with an IC tester including a plurality of sockets in which a plurality of target devices are inserted, the auto-handler includes a plurality of pushers corresponding to the plurality of sockets and a plurality of temperature sensors for detecting temperatures of the plurality of target devices. Each pusher is mounted on a heat sink via a Peltier device. Each Peltier device and each temperature sensor are connected to a current controlling apparatus. The current controlling apparatus controls, on the basis of an output of each temperature sensor, a current supplied to the corresponding Peltier device. Accordingly, it is possible to individually control temperatures of the plurality of target devices with accuracy. | 2008-09-04 |
| 20080211487 | APPARATUS, METHOD, AND COMPUTER PROGRAM PRODUCT FOR MONITORING AND CONTROLLING A MICROCOMPUTER USING A SINGLE EXISTING PIN - A method, apparatus, and computer program product are disclosed for monitoring and controlling a device using only one input/output (I/O) communication pin of the device. The pin is configured to be used to both transmit and receive data. Logical ones are generated using pulses that are a first length and logical zeros are generated using pulses that are a second length. The device is communicated with utilizing the generated logical ones and generated logical zeros by transmitting the logical ones and zeros to the device, and receiving the logical ones and zeros from the device utilizing the single I/O pin. | 2008-09-04 |
| 20080211488 | Rotary manipulation type input apparatus - A rotary manipulation type input apparatus is disclosed. The rotary manipulation type input apparatus including a rotatable wheel; a magnet joined to the bottom of the wheel; a printed circuit board having one or more detection elements mounted thereon, the detection elements detecting a rotation of the magnet; a base having the printed circuit board joined thereto; and a holder joined to the base and supporting the wheel such that the wheel is rotatable, where the holder includes a body portion, an inclination portion extending in a particular angle from the body portion, and a securing portion extending from an end of the inclination portion and joined to the base, and the inclination portion is made of metal, has a reduced thickness and has superior endurance to external impact. | 2008-09-04 |
| 20080211489 | INDUCTIVE SENSOR - An inductive sensor has an electrically nonconductive substrate, at least one electrically conducting coil that is integrally joined to the substrate, with the mechanical rigidity of the substrate significantly greater than that of the conducting coil, a metal plate covering the conducting coil, with the substrate comprised by the metal plate, and with the surface of the metal plate on the side oriented toward the conducting coil provided with an electrically insulating layer. | 2008-09-04 |
| 20080211490 | MAGNETIC DETECTOR AND METHOD FOR MAKING THE SAME - A magnetic detector includes a magnetoresistive element and a fixed resistor that are constituted from identical laminates. Hard bias layers are disposed on two sides of the fixed resistor each with a gap therebetween. The magnetoresistive element includes a magnetic layer, magnetization direction of which is variable; the fixed resistor includes a magnetic layer corresponding to the magnetic layer of the magnetoresistive element; and the magnetization direction of the magnetic layer of the fixed resistor is pinned by a bias magnetic field from the hard bias layers | 2008-09-04 |
| 20080211491 | HIGH SENSITIVITY, PASSIVE MAGNETIC FIELD SENSOR AND METHOD OF MANUFACTURE - A magnetic field sensor comprises one or more magnetic layers of magnetostrictive material that is mechanically bonded to one or more layers of electroactive material. When a magnetic field is applied to the device, it rotates the magnetization that is present in the in the magnetostrictive material thereby generating a magnetostrictive stress in the material. The magnetostrictive stress generated by this layer, in turn, stresses the piezoelectric layer to which the magnetostrictive layer is bonded. In order to increase sensitivity, the voltage across the piezoelectric material is measured in a direction that is parallel to the plane in which the magnetization in the magnetic material rotates. | 2008-09-04 |
| 20080211492 | Magnetic Impedance Measurement Device - The distribution of the impedance characteristic of a test object is detected by applying an alternate magnetic field of a low frequency to the test object and measuring the induced current generated therefrom. | 2008-09-04 |
| 20080211493 | Rivet Rotating Probe - An eddy current probe adapted for detecting cracks in material directly beneath a raised-head fastener is disclosed. The probe comprises an eddy current coil and a support means for carrying the coil in an orientation suitable for introducing eddy currents into material directly beneath a raised-head fastener. | 2008-09-04 |
| 20080211494 | Device Comprising Magneto Resistive System | 2008-09-04 |
| 20080211495 | Infinitely Configurable RF Receive Coil - Described herein is a radiofrequency receive coil system for a magnetic resonance imaging (MRI) system that includes an array of a plurality of individual coils arrayed around the outer limits of the imaging volume that is defined by a main magnet and a gradient coil, positioned tangentially down the length of said volume, with the plurality of individual coils each having an initial position with relation to the patient to be imaged; and mechanical support for the individual coils. The individual coils may be dynamically repositioned for optimal imaging. A further embodiment of the system includes an array of individual coils positioned radially on the vertical plane around the patient table, which may advance into the gantry before imaging. The method for use of the receive coil system is also described. | 2008-09-04 |
| 20080211496 | MRI APPARATUS - An MRI apparatus for performing an MRI examination to an object by sequentially applying an imaging method group, which is constituted by time-sequentially arranging a plurality of different imaging methods, to each of the imaging methods, has an imaging method group setting unit, a performing order setting unit and an imaging condition setting unit. The imaging method group setting unit sets the imaging method group. The performing order setting unit sets a performing order as a performing order of the imaging methods constituting the imaging method group. The imaging condition setting unit sets an imaging condition to each of the imaging methods. The workflow setting unit obtains an examination history data corresponding to the imaging method group, the performing order and the imaging condition from the examination history data previously stored to a storage unit, and sets a first workflow relating to the MRI examination by estimating an imaging time of each of the imaging methods in the performing order based on the obtained examination history data. | 2008-09-04 |
| 20080211497 | MRI APPARATUS - An MRI apparatus includes a navigator device for obtaining information of body motion produced by respiration of a subject by a navigator pulse sequence, and a respiration waveform display device for displaying a respiration waveform on the basis of the body motion information obtained by the navigator device. | 2008-09-04 |
| 20080211498 | INTEGRATED SYSTEM OF MRI RF LOOP COILS PLUS SPACING FIXTURES WITH BIOCONTAINMENT USES - When scanning a patient to generate an image thereof, radio frequency (RF) coil modules are scalably coupled to each other using a plurality of clips to form flat or polygonal coil arrays that are placed on or around the patient or a portion thereof. A user assesses the volume to be imaged, identifies a coil array configuration of suitable size and shape and employs clips of one or more pre-determined angles to construct the identified coil array configuration, which is placed on or about the volume. Coil modules are coupled to a preamplifier interface box (PIB), which provides preamplified coil signal(s) to a patient imaging device, such as an MRI scanner. Small arrays are constructible to accommodate pediatric patients and/or smaller animals. Modules are hermetically sealed, can be sanitized between uses, and discarded at end-of-life. In one aspect, the modular coil array, clips, and PIB are maintained in an isolated contamination zone, separate from the patient imaging device. | 2008-09-04 |
| 20080211499 | Low Power Decoupling for Multi-Nuclear Spectroscopy - In a magnetic resonance spectroscopy method, first nuclear species magnetic resonance is excited. A spin echo of the first nuclear species magnetic resonance is generated, and the spin echo is read out. The first and second nuclear species are decoupled during the generating of the spin echo but not during the reading. At least the generating, the reading, and the decoupling are repeated for a plurality of different decoupling times to generate heteronuclear J-modulated data. | 2008-09-04 |
| 20080211500 | Detection and Reduction of Dielectric Breakdown in Semiconductor Devices - Methods for detecting the breakdown potential of a semiconductor device having a thin dielectric layer are disclosed. The method includes measuring a spectroscopy of the thin dielectric layer and determining whether the spectroscopy exhibits the presence of a breakdown precursor (H | 2008-09-04 |
| 20080211501 | Method and Curcuit Arrangement For Operating Multi-Channel Transmit/Receive Antenna Devices - Methods and circuit arrangements for operating multi-channel transmit/receive antenna devices or arrangements especially for use in magnetic resonance imaging (MRI) systems are disclosed, by which a fully independent control of complete multi-channel RF transmit and receive chains can be conducted in a flexible way and new options like RF shimming, transmit sensitivity encoding (TransmitSENSE), RF encoding, determination of S- or Z-matrix prior to spin echo measurements, calibration, SAR (specific absorption rate) reduction etc. can be utilized or improved. | 2008-09-04 |
| 20080211502 | METHOD FOR AUTOMATIC COIL SELECTION IN A MAGNETIC RESONANCE APPARATUS - In a method for coil selection of a magnetic resonance apparatus, a determination of coil positions of the multiple coil devices of the magnetic resonance apparatus is made and a determination is also made of a number of coil groups, wherein a coil group is composed of at least one coil device. One or more coil groups is associated with positions of the support device, and the coil group that is associated with a position of the support device includes the coil devices that are suitable for use in that associated position of the support device. A control of one of the multiple coil groups dependent on the position of the support device. | 2008-09-04 |
| 20080211503 | METHOD AND CONTROL DEVICE FOR POSITION DETERMINATION OF ACQUISITION DEVICES FOR A MAGNETIC RESONANCE SYSTEM - In a method and a corresponding control device for automatic position determination in at least one spatial direction of at least two acquisition devices, wherein more acquisition devices than acquisition channels are present, a position measurement for one of the acquisition devices is implemented with an acquisition channel in a first step and a position measurement for another of the acquisition devices with the same acquisition channel is implemented in a second step. The position of the respective acquisition devices is determined based on these position measurements. | 2008-09-04 |
| 20080211504 | MAGNETIC RESONANCE IMAGING APPARATUS - [PROBLEMS] A magnetic resonance imaging apparatus in which vibration of a gradient magnetic field coil is reduced, the vibration is not transmitted to a static magnetic field correcting unit, and the space can be saved. | 2008-09-04 |
| 20080211505 | SAMPLE ANALYZER AND SAMPLING SYSTEM - A spectroscopic sample analysis apparatus includes an actively controlled, direct contact heat exchanger in serial fluid communication with a spectroscopic analyzer, and a controller communicably coupled to the heat exchanger. The heat exchanger is disposed downstream of a fluid handler in the form of a stream selection unit (SSU), a solvent/standard recirculation unit (SRU), and/or an auto-sampling unit (ASU). The SSU selectively couples individual stream inputs to an output port. The SRU includes a solvent/standard reservoir, and selectively couples output ports to the heat exchanger, and returns the solvent/standard sample to the reservoirs. The ASU includes a sample reservoir having a sample transfer pathway with a plurality of orifices disposed at spaced locations along a length thereof. The controller selectively actuates the fluid handler, enabling sample to flow therethrough to the heat exchanger, and actuates the heat exchanger to maintain the sample at a predetermined temperature. | 2008-09-04 |
| 20080211506 | Helicopter Electromagnetic Prospecting System - An airborne electromagnetic prospecting system ( | 2008-09-04 |
| 20080211507 | Method and Apparatus for Gradient Electromagnetic Induction Well Logging - The method and apparatus for determining the conductivity of anisotropic formations surrounding a borehole. The method comprises measuring the gradient of the magnetic field by an electromagnetic logging tool in a borehole in the subsurface formation. The instrument comprises one or several closely positioned parallel receiver coils and one or several closely positioned parallel transmitter coils with the magnetic moment direction of the transmitter coils parallel or different from the magnetic moment direction of the receiver coils. In a preferred embodiment a gradient induction instrument consists of a tri-axial transmitter array and up to 27 pairs of receiver coils, measuring some or all magnetic gradient components: formula (I). | 2008-09-04 |
| 20080211508 | Load Bank - A load bank that is used to test electrical connections. The connections are attached to the load bank, so that the switches are loaded during the testing. The overheating or underheating, of either switches or loads can be tested, evaluated, and used to determine faults and errors. | 2008-09-04 |
| 20080211509 | Battery capacity monitoring system and method of displaying capacity thereof - A system for monitoring the battery capacitor is disclosed. The system comprises an ADC (analog to digital converter), a CPU, a ROM, a clock generator, a SMbus (smart management bus) interface. A series of RTC interrupt signals are generated by the clock generator and feeds to the CPU. When the CPU receives a RTC interrupt, the CPU runs a program in said ROM to calculate the remaining capacity of the battery and stores it into register or RAM according to the digital signal outputs from the ADC, which converts an analog signal of the battery into a digital signal. The SM bus interface then fetches the calculated results from the CPU and displays them by LED in terms of lighting, dark and flashing. | 2008-09-04 |
| 20080211510 | METHOD AND APPARATUS FOR MEASURING THE TEMPERATURE OF A GAS IN A MASS FLOW CONTROLLER - A method and apparatus for measuring the temperature of a gas in a mass flow controller is described. One embodiment derives gas-temperature information from a mass flow sensor of the mass flow controller without relying on a separate temperature sensor. This embodiment supplies a substantially constant electrical current to a thermal mass flow sensor of the mass flow controller, the thermal mass flow sensor being designed to measure a mass flow rate of the gas; measures an input voltage of the thermal mass flow sensor to obtain a present input voltage, the input voltage varying with a temperature differential between a pair of sensing elements of the thermal mass flow sensor; calculates an adjusted input voltage by accounting for a component of the present input voltage that is dependent on the mass flow rate of the gas; and calculates the temperature of the gas based on the adjusted input voltage. In some embodiments, the calculated gas temperature is used to compensate for the variation, with temperature, of an output voltage of the thermal mass flow sensor under a zero-flow condition. | 2008-09-04 |
| 20080211511 | Method of Generating Fault Indication in Feeder Remote Terminal Unit for Power Distribution Automation System - The present invention relates to a method of generating fault indication in a feeder remote terminal unit for a power distribution automation system. The method is performed in a distribution system that includes a plurality of feeder remote terminal units, which are installed in respective sections of a line and are configured to measure voltage, current and a phase difference of the line, and a central control unit for determining whether a fault occurs and controlling operation of the feeder remote terminal units. In the method, phases are measured by each of the feeder remote terminal units. The phase of a zero-sequence current is compared with that of a zero-sequence voltage. A direction of a fault current is calculated, and fault indication information is generated in the calculated direction of the fault current. | 2008-09-04 |
| 20080211512 | Test circuit arrangement and testing method for testing of a circuit section - The invention relates to a testing method and to a test circuit arrangement for testing a circuit section of a circuit, having a connection section connected to the circuit section used to conduct a current from or to the circuit section, and having a detector circuit; wherein a first tapping point is arranged on the connection section at a distance from a transition to the circuit section, a second tapping point is arranged at the connection section that is closer to the circuit section than the first tapping point, and wherein the detector circuit samples a voltageor a voltage-equivalent value between the first and the second tapping point for testing of the circuit section. | 2008-09-04 |
| 20080211513 | INITIATION OF FUSE SENSING CIRCUITRY AND STORAGE OF SENSED FUSE STATUS INFORMATION - An integrated circuit includes at least one circuit trimming fuse. A fuse sensor circuit is connected to the trimming fuse and operates in response to a fuse sensing initiation signal to initiate sensing of a state of the trimming fuse and generate an output indicative of the sensed state. A latch circuit, including multiple latch locations, redundantly latches the output indicative of the sensed state. A majority logic state in the latch locations is determined by a polling circuit coupled to the multiple latch locations. The polling circuit outputs that majority logic state as a fuse state output indicative of the sensed state of the fuse. A register in the integrated circuit is loadable with a value. A comparison circuit compares the loaded value in the register to a correct fuseword value and, if there is a match, generates the fuse sensing initiation signal for application to the fuse sensor circuit. | 2008-09-04 |
| 20080211514 | METHOD AND APPARATUS FOR DETERMINING THE MOISTURE OF A RUNNING MATERIAL WEB - In a method for determining the moisture of a running material web, in particular a paper web or paperboard web, the material web is scanned by way of a sensor including a microwave resonator, the resonance response of the microwave resonator is investigated, and the moisture in the material web is established in the light of this resonance response while taking account of the distance between the microwave resonator and the material web. Also disclosed is a corresponding apparatus for determining the moisture. | 2008-09-04 |
