24th week of 2011 patent applcation highlights part 22 |
Patent application number | Title | Published |
20110140615 | APPARATUS AND METHOD OF DRIVING LIGHT SOURCE - A light source driving apparatus for implementing general purpose driving of a high-current light emitting diode (LED) and a low-current LED, and a method for driving the same are disclosed. The apparatus for driving the light source includes a plurality of light emitting diode (LED) strings, and a light emitting diode (LED) driving circuit for driving the LED strings, and having a plurality of channels commonly connected to the same LED string. | 2011-06-16 |
20110140616 | CIRCUITS AND METHODS FOR CONTROLLING POWER OF LIGHT SOURCES - A driving circuit for driving a light source includes a power converter, a controller and a voltage-controlled current source. The power converter is coupled to the light source, and receives an input voltage from a power source and provides an output voltage to the light source. The power converter includes a switch coupled in series with the light source. The controller is coupled to the power converter and controls a power of the light source by controlling the switch. The voltage-controlled current source is coupled to the controller and provides a first current. The controller controls the switch based on the first current. | 2011-06-16 |
20110140617 | LIGHT EMITTING DEVICE - It is an object of the present invention to provide a light emitting device which is less affected by a malfunction caused in a light emitting element. It is another object of the invention to provide a light emitting device in which light emitting elements are connected in series. As to a light emitting device of the invention, groups of circuits each having a light emitting element and a limiter are connected in parallel. Here, a light emitting element and a limiter are connected in series. The number of the circuits may be at least two or more. Further, each circuit group includes at least one light emitting element. | 2011-06-16 |
20110140618 | LIGHT EMITTING DEVICE - A light emitting device including a voltage source, a light emitting unit, and a current source is provided. The voltage source is coupled to the light emitting unit for supplying a voltage. The light emitting unit includes n light emitting diodes (LEDs) and n current control switches, wherein n is greater than or equal to 3. The LEDs are respectively coupled to the current control switches in series. The current control switches are turned on and off according to a current threshold. The current source is coupled to the light emitting unit for supplying a fixed current. Thereby, the luminous intensity of the light emitting device remains stable even when some of the LEDs fail. | 2011-06-16 |
20110140619 | DIFFERENTIAL DRIVING CIRCUIT FOR POWERING A LIGHT SOURCE - A differential driving circuit for powering a light source is disclosed. The differential driving circuit includes a first set of switches and a second set of switches. A first current from a power source flows through the first set of switches to charge a first energy storage element when the first set of switches are turned on. A second current from the first energy storage element flows through the second set of switches to power the light source when the second set of switches are turned on. The differential driving circuit further includes a second energy storage element coupled to the light source in parallel and for providing a differential voltage to the light source. | 2011-06-16 |
20110140620 | CIRCUITS AND METHODS FOR CONTROLLING DIMMING OF A LIGHT SOURCE - A controller for controlling dimming of a light source includes a detection pin, an input signal pin, and a monitoring pin. The detection pin is operable for monitoring a rectified voltage and for detecting whether the rectified voltage comes from a TRIAC dimmer or an on/off switch dimmer. The input signal pin is operable for receiving an input signal indicative of the rectified voltage and the controller controls dimming of the light source according to the input signal if the rectified voltage comes from a TRIAC dimmer. The monitoring pin is operable for receiving a monitoring signal indicating an operation of the on/off switch dimmer and the controller controls dimming of the light source according to the monitoring signal if the rectified voltage comes from an on/off switch dimmer. | 2011-06-16 |
20110140621 | CIRCUITS AND METHODS FOR CONTROLLING A LIGHT SOURCE - A driving circuit for controlling a light source includes a frequency controller and a switch module. The frequency controller is operable for receiving a first dimming signal for controlling the light source to achieve a predetermined brightness, and for generating a second dimming signal having a frequency out of one or more predetermined ranges according to the first dimming signal when the frequency of the first dimming signal is within the predetermined ranges. The switch module coupled to the frequency controller is operable for switching on and off alternately to achieve the predetermined brightness of the light source according to the second dimming signal when the frequency of the first dimming signal is within the predetermined ranges and according to the first dimming signal when the frequency of the first dimming signal is out of the predetermined ranges. | 2011-06-16 |
20110140622 | LED DRIVING CIRCUIT - An LED driving circuit includes a dimming circuit that controls a conducting angle of an alternating current supplied from a power supply to phase-control a current to be supplied to an LED, a rectifier circuit that rectifies an alternating-current voltage output from the dimming circuit, a smoothing circuit that smoothes a direct current voltage output from the rectifier circuit, a switching device that is connected with the LED in series; a constant current control circuit that outputs a high frequency pulse signal to the switching device to control the switching device, and a bleeder circuit that is provided between an output terminal of the rectifier circuit and a ground and that has a bleeder resistance and a bleeder switch connected in series. The high frequency pulse signal is input to the bleeder switch so that a bleeder current having a high frequency pulse form flows in the bleeder resistance. | 2011-06-16 |
20110140623 | ELECTRONIC HID BALLAST WITH CURRENT SOURCE/SINK TO POWER RECESSED CAN INSULATION DETECTOR - Electronic ballasts, driver apparatus, and methods are provided in which a heating current is generated by the driver to power a resistive heating element of an insulation detector associated with a recessed can fixture using a regulated current source/sink circuit. | 2011-06-16 |
20110140624 | CIRCUIT AND METHOD FOR OPERATING A HIGH PRESSURE LAMP - The invention relates to a circuit for operating a high pressure discharge lamp La. The circuit comprises input terminals for connecting to a source of supply voltage; first capacitive means C1 coupled to the input terminals and second capacitive means C2 coupled to the input terminals parallel to the first capacitive means C1. A switchable element D1 is provided between the first and second capacitive means C1, C2 for blocking a current with which the second capacitive means C2 in use charge the first capacitive means C1. Output terminals for connection of the high pressure discharge lamp La and the inductive means are provided and a commutator BR coupled to said input terminal and to said output terminals for supplying an alternating current to the high pressure discharge lamp La when the lamp is connected to said output terminals. The circuit comprises a pulse supply for supplying to the output terminals a current pulse in a later part of a half period of the alternating current. | 2011-06-16 |
20110140625 | METHOD AND SYSTEM FOR OPERATING A HIGH INTENSITY DISCHARGE LAMP - The present invention provides a lighting system | 2011-06-16 |
20110140626 | ELECTRONIC DRIVER DIMMING CONTROL USING RAMPED PULSED MODULATION FOR LARGE AREA SOLID-STATE OLEDS - An electronic driver apparatus and methods are disclosed for driving power an organic LED or other large area solid state light source, in which a switch mode DC current source provides DC current to drive the light source according to a control input and a controller provides a ramped pulse modulated control input to the current source for at least some values of a dimming setpoint signal or value to mitigate damaging current spikes by controlling di/dt of the drive current. | 2011-06-16 |
20110140627 | APPARATUS FOR DRIVING LIGHT EMITTING DIVICE USING PULSE-WIDTH MODULATOIN - An apparatus for driving a light emitting device (LED) is provided. The apparatus for driving the LED includes a first driving control element, a first current detection unit, a first effective value detection unit, a first reference signal generation unit, and a first comparison unit. The first driving control element controls a current flowing through a first LED channel, in response to a first pulse-width modulated control signal. The first current detection unit detects the current flowing through the first LED channel. The first effective value detection unit detects an effective value of the current detected by the first current detection unit. The first reference signal generation unit generates a preset reference signal having a sawtooth waveform. The first comparison unit compares the reference signal from the first reference signal generation unit with the effective value from the first effective value detection unit. | 2011-06-16 |
20110140628 | POWER SUPPLY FOR LIGHTING LUMINARY FOR IMPROVING DIMMING PERFORMANCE - A power supply for a lighting luminary for improving dimming performance is disclosed. The power supply is applied to an AC source, a TRIAC dimmer, and at least one lighting luminary. The power supply includes a half-wave rectifier, an input voltage detector, a dimming signal generator, a feedback circuit, and a DC-to-DC converter. The input voltage detector is electrically connected to the half-wave rectifier. The dimming signal generator is electrically connected to the input voltage detector. The feedback circuit is electrically connected to the dimming signal generator. Besides, the DC-to-DC converter is electrically connected to the half-wave rectifier. More particularly, the half-wave rectifier provides a single-direction current path to avoid turning off the TRIAC dimmer during the dimming process because of the alternating positive and negative half cycles of the AC source. | 2011-06-16 |
20110140629 | POWER SUPPLY FOR LIGHTING LUMINARY FOR FIXING MAXIMUM AND MINIMUM ILLUMINATION - A power supply for a lighting luminary for fixing maximum and minimum illumination is applied to a TRIAC dimmer and at least one lighting luminary. The power supply includes a dimming circuit for fixing maximum and minimum illumination, an input voltage detector, a feedback circuit, a DC-to-DC converter, and a rectifier. The dimming circuit for fixing maximum and minimum illumination outputs a reference voltage. More particularly, the feedback circuit controls the lighting luminary be operated at maximum illumination when a conduction angle of the TRIAC dimmer is excessive according to the reference voltage. Similarly, the feedback circuit controls the lighting luminary to be operated at minimum illumination when a conduction angle of the TRIAC dimmer is excessively small. | 2011-06-16 |
20110140630 | DRIVE CIRCUIT FOR HIGH-BRIGHTNESS LIGHT EMITTING DIODES - A drive circuit includes a DC/DC converter, an outer control loop providing an output voltage representing a comparison between a load current and a reference voltage, a multiplier multiplying the outer control loop output voltage with a sample of the rectified output and provide an output current, a current amplifier comparing an input line current sample and the multiplier output current, a comparator driving the switch with a modulated output based on the current amplifier output and a sawtooth reference, and an upper voltage limit loop having an output in electrical communication with the outer control loop output, wherein the outer control loop output voltage is impacted by the upper voltage limit loop output during a zero load scenario. The drive circuit also includes a line voltage transformer and a lightning suppression circuit coupled to the voltage rectifier output. | 2011-06-16 |
20110140631 | DETACHABLE LED LIGHTING LAMP - A detachable LED lighting lamp includes a light source having a light source body and a light head integrally connected with the light source body; a lamp holder having a light source stand and a power supply socket disposed at a bottom end of the light source stand; and a power supply having a power source body, a plug fixedly connected with an upper end of the power source body, and an electrical wire connected with a bottom end of the power source body. The power supply further has a drive power supply disposed therein. The light head matches with the light source stand in shape, the power supply socket matches with the plug in shape. | 2011-06-16 |
20110140632 | MR16 Type High Power Led Lamp - The invention refers to a MR16 high power LED lamp, particularly a MR16 high power LED lamp which can adapt to working frequency alternating current or high frequency alternating current with nominal working voltage of 12V AC. The LED lamp comprises a driver and a LED illuminant, wherein, the driver comprises a rectifying circuit, a constant current circuit, and an output circuit. An input end of the rectifying circuit inputs low-voltage alternating current with working frequency/high frequency of 12V. When the input end is input with low frequency alternating current of 12V or high frequency alternating current of 12V, the LED lamp is lighted, and value of resistance R is regulated for ensuring current value, namely value of constant current. | 2011-06-16 |
20110140633 | Collimated Illumination System Using an Extended Apparent Source Size to Provide a High Quality and Efficient Fixture - A downlighting illumination system ( | 2011-06-16 |
20110140634 | CIRCUIT ARRANGEMENT AND METHOD FOR THE OPERATION OF AT LEAST ONE DISCHARGE LAMP - A circuit arrangement for the operation of at least one discharge lamp is provided. The circuit arrangement may include an input for connecting an AC supply voltage; a rectifier, which is coupled to the input and has a first output terminal and a second output terminal for providing a DC supply voltage; an inverter, which includes at least a first switch and a second switch, which are coupled in series between the first output terminal and the second output terminal of the rectifier; a control circuit which is at least designed to drive the first switch and the second switch, with a first input for receiving a control signal, and a second input for feeding a voltage for supplying the control circuit, the second input being connected to an operational supply apparatus, which is designed to couple an operational supply voltage to the second input of the control circuit during operation of the inverter; a control line, which is coupled firstly to the input for connecting an AC supply voltage and secondly to the first input for receiving a control signal, a third switch being arranged in the control line; wherein it furthermore includes a startup supply apparatus with an input and an output, its input being coupled to the first input of the control circuit, and its output being coupled to the second input of the control circuit, the startup supply apparatus being designed to provide a startup supply voltage at the output of the startup supply apparatus in the event of an on signal at the input of the startup supply apparatus when the control circuit has no supply and therefore is switched off. | 2011-06-16 |
20110140635 | LIGHTING APPARATUS - Disclosed herein is a lighting apparatus which varies a light emission pattern of a light emitting unit based on external stimuli, such as sounds, and is aesthetically pleasing to a user through variation in light emission pattern. | 2011-06-16 |
20110140636 | SYSTEM AND METHOD FOR PROVIDING A CONTROL SIGNAL - The system, which provides a control signal, includes an over-current control unit, a time clock that provides a periodic time signal, and a clock generator unit that includes a first input terminal, a second input terminal, and an output terminal. The first input terminal is coupled to the time clock and the output terminal is coupled to the over-current control unit. The first input terminal of the clock generator unit receives the periodic time signal and the second input terminal of the clock generator unit receives a modification signal. The clock generator unit generates a clock signal based on the periodic time signal and the modification signal. The output terminal of the clock generator unit provides the clock signal to the over-current control unit, and the over-current control unit provides a control signal based on the clock signal. | 2011-06-16 |
20110140637 | LED ILLUMINATION SYSTEM WITH A POWER SAVING FEATURE - An LED illumination system includes a control circuit having a timing unit, a control unit, a PWM signal generating unit and a micro-programmed control unit (MCU). The timing unit divides an operating period of an LED lamp into different time segments, and outputs clock signals. The control unit outputs different controlling signals corresponding to the clock signals to the PWM signal generating unit, which in turn generates different PWM signals with different duty cycles. A constant current circuit electrically connects the control circuit and outputs different electric currents to make the LED lamp emit light having different light intensities at the different time segments. The MCU is at an outside of the LED lamp and sets a program to control the timing unit, the control unit and the PWM signal generating unit. | 2011-06-16 |
20110140638 | Socket Extension Apparatus, Socket Adapter, and Plug Adapter - A socket extension apparatus, including: an elongate extension member having a first end and a second end; and at least one socket member in operational communication with the second end of the extension member and in direct or indirect electrical communication with an external power source through the first end of the extension member, the at least one socket member comprising at least one socket recess configured to removably engage at least one light bulb. A socket adapter and a plug adapter are also provided. | 2011-06-16 |
20110140639 | Clip with light - A clip with a light comprises a body including a first and a second clip members to be flexibly pressed, and an illuminating device disposed between the first and second clip members and having a receiving cylinder, a light received in the receiving cylinder and provided with a first and a second connecting legs, a cell set received in the receiving cylinder to supply power to the light, a power circuit mounted in the receiving cylinder and provided with an electrode of a rear end of the cell set electrically connected to the first connecting leg of the light and the second connecting leg electrically coupled to an electrode of a front end of the cell set, an actuating member series connected onto the power circuit and having pressing blocks extending out of the receiving cylinder to press and release the first and second clip members, controlling the actuating member. | 2011-06-16 |
20110140640 | FOLDABLE TABLE LAMP - A lamp includes a head, a support arm and a base. The head includes a light emitting member. The support arm is rotatably connecting to the head. The support arm includes a first pushing member and a second pushing member. The base includes a moveable contact and a stationary contact. The moveable includes a spring tab. When the support arm is rotated to a first position, the first pushing member abuts against the spring tab to be deformed, and the spring tab connects to the stationary contact. The light emitting member is in a power on state. When the support arm is rotated to a second position, the second pushing member abuts against the spring tab to be deformed, and the spring tab disengages from the stationary contact. The light emitting member is in a power off state. | 2011-06-16 |
20110140641 | Electron Cyclotron Ion Source and Manufacturing Method Thereof - An apparatus of an electron cyclotron resonance ion source may include: a magnet unit containing a magnet for generating magnetic fields; an ionizing chamber housing unit for generating ions through electron cyclotron resonance from a plasma; a microwave generating unit for injecting microwaves to the ionizing chamber housing unit to generate ions; and a beam integrating and guiding unit for treating the generated ions. The magnet unit may include: a bobbin for winding the magnet; a variable spacer for dividing the bobbin into a plurality of sections; and the magnet which is wound into the form of a wire or a tape in the plurality of sections formed by the variable spacer. | 2011-06-16 |
20110140642 | POWER CONVERSION DEVICE - Based on rotation information of a synchronous machine detected by a rotation information detector, a controller causes a converter to boost a charge voltage of a capacitor so as to be higher than an induced voltage generated by the synchronous machine at a time of shifting to a coasting operation, maintains the charge voltage during the coasting operation, and performs weak field control so that the induced voltage generated by the synchronous machine becomes lower than a DC voltage at the time of shifting from the coasting operation to a power running operation or to a regenerative operation. | 2011-06-16 |
20110140643 | ELECTRIC MOTOR TORQUE ESTIMATION - A method of controlling a vehicle including a permanent magnet (PM) synchronous motor is provided. The motor is calibrated such that for each torque command, there are corresponding direct-axis (d-axis) and quadrature axis (q-axis) current commands. The method includes establishing a torque command T*. D-axis and q-axis current commands Id* and Iq*, respectively, corresponding to the torque command T* are determined. The motor is controlled based on Id* and Iq*. D-axis and q-axis currents Id and Iq, respectively, are measured. An output torque is estimated as a sum of the torque command T* and a torque difference. The torque difference is determined as a function of Id*, Iq*, Id, and Iq. The vehicle may be controlled based on the estimated output torque. | 2011-06-16 |
20110140644 | ELECTRICALLY COMMUNTATED MOTOR WITH DATA COMMUNICATION DEVICE - An electronically commutated motor (ECM) includes windings, a power switch, an infrared transceiver and an electromagnetic shield. The power switch is configured to provide pulse width modulated (PWM) power signals to the windings and to generate a substantial level of electromagnetic noises at PWM frequencies during its switching operation. The infrared transceiver is configured to communicate with an external device using infrared signals and convert electrical signals from and to infrared signals that carry data. The electromagnetic shield is configured to substantially shield the infrared transceiver from the electromagnetic noises of PWM frequencies from the power switch. | 2011-06-16 |
20110140645 | DUAL PURPOSE PERMANENT MAGNET SPEED SENSOR AND GENERATOR - An apparatus is disclosed for simultaneously measuring the rotational speed and/or direction of a shaft, and providing control power in accordance with the shaft rotation. The apparatus includes a permanent magnet machine (PMM) having a multipole rotor and a stator. The rotor has a plurality of permanent magnet poles and connection to the rotating shaft; the stator includes a winding and electrical connections, so that motion of the rotor with respect to the stator causes a voltage signal at the electrical connections. The apparatus also includes a circuit including a power conversion portion and a speed/direction sensing portion. The circuit receives the voltage signal from the PMM, and simultaneously outputs control power from the power conversion portion and a signal indicating the rotational speed and/or direction of the shaft from the sensing portion. | 2011-06-16 |
20110140646 | METHODS AND SYSTEMS FOR INDUCTION MACHINE CONTROL - A method for controlling an induction machine having a rotor includes the steps of obtaining a torque command, calculating an estimated squared value of resistance of the rotor using the torque command, determining an offset for the resistance of the rotor, and generating an updated measure of rotor resistance using the estimated squared value and the offset. | 2011-06-16 |
20110140647 | COMPUTER SYSTEM HAVING SOLAR POWER UNIT AND METHOD OF CONTROLLING THE SAME - A charging system for a mobile device such as a computer, and method of operating the same are disclosed. The computer is a system that includes: a system unit being provided with power output to an operation power supply terminal to carry out an operation; a battery unit outputting battery power to the operation power supply terminal; and a solar power unit being provided with feedback on a voltage of the operation power supply terminal and outputting solar power corresponding to a predetermined operational level of the system unit to the operation power supply terminal. | 2011-06-16 |
20110140648 | ENERGY STORAGE SYSTEM OF APARTMENT BUILDING, INTEGRATED POWER MANAGEMENT SYSTEM, AND METHOD OF CONTROLLING THE SYSTEM - An energy storage system of an apartment building, an integrated power management system, and a method of controlling the integrated power management system. Power may be efficiently consumed by supplying remaining power stored in an energy storage system of each apartment to a common load. | 2011-06-16 |
20110140649 | ENERGY STORAGE SYSTEM - An energy storage system for charging/discharging power of a plurality of battery packs connected between a grid and a variable power source, the energy storage system including an inverter connected between the grid, the plurality of battery packs, and the variable power source, the inverter inverting an AC power into a DC power and inverting a DC power into an AC power according to charge/discharge, a plurality of converters connected between the battery pack, the variable power source, and the grid, the converters being connected to the battery packs in a one-to-one relationship to convert a charge/discharge power of the battery packs, respectively, a plurality of battery switching devices, the battery switching devices being respectively connected between the converters and the battery packs, and a controller connected to the inverter and the converter to control driving, the controller controlling a turn-on/off operation of the battery switching devices. | 2011-06-16 |
20110140650 | BATTERY PACK WITH BALANCING MANAGEMENT - A battery management system for a battery pack comprising multiple battery modules is disclosed. Each of the battery modules includes multiple battery cells. The battery management system includes multiple first balancing units, multiple first controllers, a second balancing unit including multiple second balancing circuits, and a second controller coupled to the battery modules and the second balancing circuits. The first controllers are operable for controlling the first balancing units to adjust voltages of battery cells in the battery module if an unbalance occurs between the battery cells. The second controller is operable for controlling said second balancing circuits to adjust voltages of said battery modules if an unbalance occurs between battery modules. | 2011-06-16 |
20110140651 | RECHARGEABLE LEAD-ACID BATTERY COVER - A rechargeable lead-acid battery cover has a casing, two power outlet line through-holes, a circuit board and a charging assembly seat. The casing is provided with a holding space, and the power outlet line through-holes are set at one side of the holding space for penetration of anode and cathode leads, and also for electrical connection with the positive/negative contacts of the lead-acid battery. The circuit board is assembled into the casing's holding space, and connected to the positive and negative contacts through anode and cathode supply lines. A charging assembly seat is set on the circuit board and also electrically connected with anode and cathode supply lines, while the charging assembly seat is connected with a charging power source, and the lead-acid battery is charged through anode and cathode supply lines. The lead-acid battery can be protected and the charging function can be guaranteed. | 2011-06-16 |
20110140652 | Charging Apparatus for Electronic Devices - The present invention provides a smart charging apparatus that mediates an electronic transaction between the Portable Electronic Device (PED) and a gadget and allows PED recognition by the gadget and also provides a provision for opting between a data transfer mode or a charging mode, wherein a PED can be charged at active, standby or sleep mode of the gadget. | 2011-06-16 |
20110140653 | Non-Contact Charging Station with Power Transmission Planar Spiral Core, Non-Contact Power-Receiving Apparatus, and Method For Controlling the Same - A non-contact charging station with a planar-spiral power transmission core, a non-contact power-receiving apparatus, and a method for controlling the same. A primary core of the non-contact charging station transmitting a power signal to a portable device using an induced magnetic field and a secondary core of the non-contact power-receiving apparatus are configured as a power transmission Printed Circuit Board (PCB) core in which a planar-spiral core structure is formed on a core base. The power transmission PCB core has a simplified shape along with improved applicability that facilitates its mounting on a non-contact charger. In addition, the receiving core has a reduced volume to reduce the entire size of the power-receiving apparatus so that it can be easily mounted onto a portable device. | 2011-06-16 |
20110140654 | HANDHELD POWER TOOL CHARGER - A handheld power tool charger, having at least one battery contact device is proposed, which is provided for charging at least one nondiscretely positioned handheld power tool battery. According to the invention, the battery contact device has at least one contact region which is embodied as elongated. | 2011-06-16 |
20110140655 | ELECTRIC POWER CHARGE AND DISCHARGE SYSTEM - An electric power charge and discharge system for an electronic device having a battery, by which the electronic device can be used for a long period of time. In a wireless communication device including a wireless driving portion including a first battery and a wireless charging portion including a second battery, the first battery is charged by electric power from a fixed power supply and the second battery is charged by using electromagnetic waves existing in an external space. Further, the first battery and the second battery are discharged alternately, and during a period in which the first battery is discharged, the second battery is charged. | 2011-06-16 |
20110140656 | CHARGING STATION WITH PROTECTIVE DOOR - An electric vehicle charging station includes a parking meter; a main display coupled to the parking meter to display information; a fast charge port and a regular charge port coupled to the parking meter to dispense electricity upon authorization; a payment reader coupled to the parking meter to accept a financial card and to enable one or more ports after card authorization; a door coupled to the charge ports, the door allowing access to the ports after authorization and closing access to the ports after charging completes, the door securing the port from unauthorized charging and to secure the ports from tampering; and an outer casing to enclose the parking meter. | 2011-06-16 |
20110140657 | Staged Deployment for Electrical Charge Spots - A method and system is provided to deploy electrical charge spots in stages according to demand. During a first stage a plurality of infrastructure adapters are installed. This may involve demolishing and rebuilding portions of the infrastructure and laying down power cables from the electrical power supply to the charge spot locations. The infrastructure adapters are then coupled to an electrical power supply. Many if not all of the infrastructure adapters are covered with a temporary housing protecting them from vandalism and weather. During a second stage, in response to a demand for charge stations, the charge stations are completed. During the second stage, at least one external unit is attached to an infrastructure adapter by making an infrastructure adapter quick connect interface with an external unit quick connect interface. As such, a charge spot is completed quickly in response to demand. | 2011-06-16 |
20110140658 | Automated Parking Garage with Electric Vehicle Charging - Systems and methods provide electric vehicle charging in a high-density parking system. A carriage receptacle is physically attached to a carriage of a high-density parking system. The carriage receptacle electrically connects to an electric vehicle supported by the carriage. A bay receptacle is physically attached to a bay of the high-density parking system. The bay receptacle electrically connects the carriage receptacle to a power source to provide electrical charging to the electric vehicle when the carriage is moved into the bay. An electrical vehicle charging request is received from a user at a controller of the high-density parking system. In response to the electrical vehicle charging request, the controller selects the carriage and the bay to provide electrical charging to the electric vehicle when the carriage is moved into the bay. | 2011-06-16 |
20110140659 | POWER MANAGEMENT SYSTEM AND POWER MANAGEMENT METHOD - A power management system is a system for performing power management on a management subject apparatus that includes a charging unit for charging a storage apparatus installed in a vehicle. The power management system includes: a detection unit that detects a power consumed by the management subject apparatus; an adjustment unit that adjusts a charging power charged to the vehicle from the charging unit; and a control unit that controls the adjustment unit. The control unit determines an allowable power that can be supplied to the vehicle from the charging unit, notifies the vehicle of the allowable power, and controls the adjustment unit such that a power transmitted to the vehicle is reduced when a response to the notification of the allowable power is not received. With the system according to the invention, restrictions on charging subject vehicles can be alleviated without increasing a charging capacity of a charging facility. | 2011-06-16 |
20110140660 | BATTERY CHARGING SYSTEM FOR HYBRID VEHICLES - A user-operated switch is provided to enable an engine to operate a generator to charge a battery while the vehicle is parked. | 2011-06-16 |
20110140661 | METHOD AND APPARATUS FOR CONTROLLING BATTERY CHARGING OF PORTABLE DEVICE - A device and method for controlling the charging of a portable terminal is provided. The device includes an external power supply interface unit for supplying an external power, a battery interface unit to which a main battery and a sub battery are connected, and a charging controller for controlling a charge of the main battery or a simultaneous charge of the main battery and the sub battery. | 2011-06-16 |
20110140662 | BALANCING SYSTEM FOR A BATTERY PACK - A balancing system for a battery pack includes a first balancing stage and a second balancing stage. The battery pack includes multiple modules and each of the modules in the battery pack includes a subset of the cells. The first balancing stage can balance an unbalanced module. The second balancing stage coupled to the first balancing stage can balance an unbalanced cell in a module. | 2011-06-16 |
20110140663 | SYSTEMS AND METHODS FOR BALANCING MULTI-CELL BATTERIES - Systems and methods for balancing multi-cell batteries are provided. In one embodiment, the battery balancing circuit includes a battery including a plurality of cells coupled in series, a first terminal and a second terminal, a transformer including a primary winding and a plurality of secondary windings, where each secondary winding is coupled to one of the plurality of cells via a secondary switch and a rectifier circuit, where the primary winding is coupled between the first terminal and the second terminal of the battery, a primary switch in series with the primary winding of the transformer, and a control circuitry coupled to the primary switch, the plurality of secondary switches, and each of the plurality of cells. | 2011-06-16 |
20110140664 | CHARGING APPARATUS AND CHARGE CONTROL METHOD - A charging apparatus able to safely and reliably secure capacity is provided. The charging apparatus comprises: a charging current configuration unit that configures a set value for the charging current flowing to the battery; a charging current controller that controls the charging current on the basis of the set value configured by the charging current configuration unit; a cell voltage detector that detects the cell voltages applied to each cell; and a voltage determining unit that determines whether or not at least one of the cell voltages detected by the cell voltage detector has exceeded a threshold voltage. If it is determined by the voltage determining unit that at least one of the cell voltages has exceeded the threshold voltage, then the charging current configuration unit switches the set value to a smaller value. | 2011-06-16 |
20110140665 | POWER SUPPLY DEVICE CAPABLE OF FORCEDLY DISCHARGING BATTERY CELL - A power supply device is provided that includes a battery pack | 2011-06-16 |
20110140666 | SECONDARY BATTERY - A secondary battery has charging and discharging functions. The second battery prevents an external connection portion from being separated from a connection terminal due to external shocks. | 2011-06-16 |
20110140667 | Apparatus for Storing Power and Method of Controlling the Same - Provided are a power storage apparatus and a method of controlling the power storage apparatus. The power storage apparatus stores power supplied from a power generation system or a power grid. The power storage apparatus supplies stored power to a load during an electric failure, and supplies stored power to the power grid. The power storage apparatus includes at least one battery cell, a battery management unit coupled to the battery cell, a bi-directional converter coupled to the battery management unit, a bi-directional inverter coupled between the bi-directional converter and the power grid, and a central controller controlling the operations of the bi-directional converter, the bi-directional inverter, and the battery management unit. An uninterruptible power supply (UPS) function may be performed to stabilize the power storage system including the power storage apparatus. | 2011-06-16 |
20110140668 | Method For Managing Power Limits For A Battery - A method for managing power limits for a battery includes the step of increasing a minimum operating state of charge after an initial power capability has decreased to the point where a predefined full discharge power is not available at an initial minimum operating state of charge. The increased minimum operating state of charge can be chosen such that the full discharge power is available. The increased minimum state of charge may not be chosen to provide the full discharge power if the increased minimum state of charge is greater than a maximum low limit state of charge. | 2011-06-16 |
20110140669 | SECONDARY BATTERY DEVICE AND VEHICLE - A battery device includes secondary battery cells, a detector configured to detect respective voltages of the cells, a first circuit configured to output an overvoltage alarm signal for notifying whether each of the voltage values of the cells is an overvoltage equal to or more than a threshold. value, a second circuit configured to output a first level shutdown signal to an upper controller when any of the secondary battery cells is judged to be overvoltage by the overvoltage alarm signal, and a third circuit configured to be supplied with the shutdown signal and to control operations of the first circuit and the second circuit. The second circuit assumes the shutdown signal at a second level when making self-diagnosis on the first circuit, and outputs an alarm signal for notifying the third circuit of, when the overvoltage alarm signal noticing an overvoltage is supplied, the overvoltage. | 2011-06-16 |
20110140670 | BATTERY STATE MONITORING CIRCUIT AND BATTERY DEVICE - Provided are a battery state monitoring circuit and a battery device that are capable of reliably controlling charge by a charger even if a voltage of a secondary battery drops to around 0 V. The battery state monitoring circuit includes a minimum operating voltage monitoring circuit for detecting that the voltage of the secondary battery is lower than a minimum operating voltage of the battery state monitoring circuit. When the voltage of the secondary battery is lower than the minimum operating voltage of the battery state monitoring circuit, an output of an overdischarge detection circuit is set to an overdischarge detected state. | 2011-06-16 |
20110140671 | PORTABLE DEVICE AND BATTERY CHARGING METHOD THEREOF - Provided is a portable device. The portable device includes a near distance antenna, a long distance antenna, a first power generation circuit, a second power generation circuit, and a battery. The near distance antenna receives a first power source signal in an electromagnetic inductive coupling scheme. The long distance antenna receives a second power source signal in a magnetic resonance scheme. The first power generation circuit generates a power source from the first power source signal. The second power generation circuit generates a power source from the second power source signal. The battery is charged with the generated power source. | 2011-06-16 |
20110140672 | BATTERY CHARGING METHOD AND SYSTEM WITH THREE-STAGE TEMPERATURE-COMPENSATED CHARGE PROFILE - A battery charging method and system with a temperature-compensated charge profile requires that, during a ‘bulk stage’, a regulated constant charge current is provided to the battery until the voltage across it increases to a predetermined ‘absorption stage voltage limit’, at which time charging transitions to an ‘absorption stage’. During the absorption stage, a charge current is provided which maintains the voltage across the battery at the absorption stage voltage limit, until: 1) the charge current falls to a predetermined current threshold, 2) the charge delivered to the battery during the absorption stage reaches a predetermined charge threshold, or 3) the difference in charge between two successive intervals of equal duration becomes zero, at which time charging transitions to a ‘float stage’. During the ‘float stage’, a regulated constant charge current is provided, such that the voltage across the battery varies with the temperature of the battery. | 2011-06-16 |
20110140673 | Pulse width modulated battery charging - A battery management system for charging a battery by a charger includes a transistor and either a charge pump or a push-pull output driver. The transistor increases and decreases an electrical connection between the battery and a voltage from the charger and transmits a charge current from the charger to the battery by turning on and off in response to a pulse width modulated drive signal generated by the charge pump or the push-pull output driver. The charge pump or the push-pull output driver increases the drive signal when the voltage from the charger is above a pre-charge threshold voltage and decreases the drive signal when the voltage from the charger is below the pre-charge threshold voltage. | 2011-06-16 |
20110140674 | Method and Apparatus for Handling a Charging State in a Mobile Electronic Device - The present invention is directed at a method of handling a device charging state for a Universal Serial Bus (USB) connected mobile electronic device comprising the steps of sensing a presence of a bus voltage; sensing an enumeration acknowledgement signal between the device and a USB host; and transmitting a signal to instruct the device to enter the device charging state. | 2011-06-16 |
20110140675 | Charging device for different batteries - A battery charging device includes one or more current control converting circuits connected to a voltage stabilization circuit for controlling the charging current through the rechargeable batteries of different voltages or currents or types, one or more protection converting circuits or overcharging protection circuits for protecting the batteries from being overcharged, one or more uninterrupted and reverse charging prevented circuits for protecting the batteries from being charged backwardly, and one or more charging state instruction circuits for indicating the charging status of the batteries and for allowing the different types of rechargeable batteries to be charged with a single charging device. | 2011-06-16 |
20110140676 | Mismatch-Free Charge Pump and Method Thereof - The charge-pump apparatus is disclosed having a substantially fixed current source for outputting a first current of a first polarity; a variable current source for outputting a second current of a second polarity opposite to the first polarity; a first current steering network for steering the first current into either an output node or a termination node in accordance with a first control signal; a second current steering network for steering the second current into either the output node or the termination node in accordance with a second control signal; a voltage follower for receiving a first voltage associated with the output node and outputting a second voltage at an internal node; a current sensor inserted between the termination node and the internal node for sensing a current flowing between the termination node and the internal node; and a feedback network for adjusting the variable current source in accordance with an output of the current sensor. | 2011-06-16 |
20110140677 | POWER SUPPLY CIRCUIT FOR SOUTH BRIDGE CHIP - A power supply circuit for south bridge chip includes a voltage conversion chip, a control circuit, and a voltage increasing circuit coupled electrically to the voltage conversion chip and the control circuit. The voltage conversion chip is configured for ouputting a driving signal. The control circuit is configured for receiving the driving signal and a first voltage, and converting the first voltage to a second voltage according to the driving signal. The voltage increasing circuit is configured for increasing voltage level of the second voltage, wherein the second voltage is supplied to the south bridge chip via the voltage increasing circuit. | 2011-06-16 |
20110140678 | Current limit recovery circuit - The present invention provides a synchronous buck switcher including a first loop, second loop, a current limit switch, a capacitor and an RS flip flop. The first loop includes an error amplifier (EA), a pulse width modulator (PWM), a PMOS device and an NMOS device. The second loop includes a second capacitor and a resistor connected between the output terminal of the EA and an input terminal of the EA. During a current limit event, a current limit pulse is applied to the current limit switch which allows the input voltage at the inverting terminal of the EA to follow the decreasing output voltage due to the current limit event. As a result, regulation occurs at this lower voltage at the inverting input of the EA. The inverting input of the EA is then charged back to the original reference voltage, resulting in a smooth recovery from current limit. | 2011-06-16 |
20110140679 | Switching Capacitor-PWM Power Converter - A power converter topology operates as a switching capacitor (capacitive voltage divider) converter during a first, preferably short portion of a switching cycle to provide excellent dynamic transient response and as a pulse width modulated converter during a second portion of a switching cycle to provide flexibility of voltage regulation and generality of application. This topology can be made self-driven and is capable of zero voltage switching. Therefore the power converter can be used as one of a plurality of branches of a multi-phase converter to enhance transient response. The respective branches can also be independently optimized for particular load levels and can be operated independently in a phase shedding manner to improve efficiency at low load. Further, the power converter or respective branches of a multi-phase power converter are compatible with non-linear control to further improve dynamic response. | 2011-06-16 |
20110140680 | APPARATUS AND METHOD FOR EXTRACTING MAXIMUM POWER FROM SOLAR CELL - An apparatus and method for extracting maximum power from a solar cell are provided. The apparatus includes a solar cell for producing power from solar energy, a maximum power extractor for generating a pulse width modulation signal for extracting the maximum power from the solar cell, and a DC-DC converter for adjusting an amount of current generated from the solar cell according to the pulse width modulation signal. | 2011-06-16 |
20110140681 | DIRECT DC CONVERTER (DC CHOPPER) - A DC voltage converter has a primary side and a secondary side coupled galvanically to the primary side. The primary side has at least one inductor, and the secondary side has at least two secondary capacitors connected in series. A controllable electronic switching device is situated between the primary side and the secondary side. In a first operating mode, depending on the switching position, the secondary capacitors are charged one after the other via the inductor, and the respective charging process ends approximately at the zero crossing of the respective charging current. | 2011-06-16 |
20110140682 | VOLTAGE REGULATOR SUITABLE FOR CMOS CIRCUIT - There is provided a voltage regulator suitable for a CMOS circuit. A voltage regulator suitable for a CMOS circuit according to an aspect of the invention may include: a voltage setting unit setting a voltage across both terminals of a load; a voltage amplification unit setting an input voltage; and a voltage control unit controlling a voltage to be applied to the second connection node according to an output voltage of the voltage amplification unit, wherein the voltage across both terminals of the load is maintained to be constant regardless of variations in a power voltage. | 2011-06-16 |
20110140683 | POWER BOOSTER FOR CABLE SYSTEMS - Device and method for regulating voltage level at section of telecommunications network, the device including an input port, which receives input RF telecommunications signal with input AC voltage from a network portion, isolating circuitry, which isolates input AC voltage, a transformer, which receives the isolated AC voltage, relays, which provide selected voltage gain by selectively switching on connection from transformer secondary winding, thereby deriving regulated AC voltage at predetermined level, control circuitry, which monitors input AC voltage and selectively activates a selected relay while deactivating other relays to provide selected voltage gain, recombining circuitry, which recombines regulated AC voltage with isolated input RF telecommunications signal, and an output port, which provides recombined regulated AC voltage and RF telecommunications signal to another network portion. | 2011-06-16 |
20110140684 | POWER CONTROLLER HAVING EXTERNALLY ADJUSTABLE DUTY CYCLE - A power controller having externally adjustable duty cycle provides an inversely proportional relationship between duty cycle and input voltage and creates a conversion curve associated with the duty cycle and the input voltage. The slope and/or maximal duty cycle of the conversion curve can be dynamically adjusted through an external setting interface according to the specification of the magnetic components adopted in a power conversion circuit. Therefore, saturation of magnetic components is effectively prevented, and magnetic components with optimal specification are easily available to choose. | 2011-06-16 |
20110140685 | METHOD FOR DIAGNOSING A LOAD DROP - A method for diagnosing a load drop in a piezo actuator in an injection device, a voltage being measured and being compared to a threshold voltage ( | 2011-06-16 |
20110140686 | THERMAL EXTENSION STRUCTURES FOR MONITORING BUS BAR TERMINATIONS - An electrical system comprising an equipment enclosure configured to hold one or more DC power bus bars therein. The system also comprises one or more thermal extension structures. Each thermal extension structure is connected to one or more of the bus bars. Each thermal extension structure has a projection element whose thermal state reflects an electrical connectivity of the one or more DC power bus bars that the thermal extension structure is connected to. The projection element is viewable from a location outside of the equipment enclosure. | 2011-06-16 |
20110140687 | DIGITAL MULTIMETER HAVING CASE PANEL STRUCTURE - A multimeter includes a case defining an interior cavity in which components of the multimeter are located. The case has a top portion defining a plurality of first button apertures. A rotary selector knob is also provided for selecting a multimeter function. The multimeter further includes a separate front panel juxtaposed to the top portion of the case. The front panel has a plurality of second button apertures in respective register with at least some of the first button apertures. The top portion of the case may define a recess in which the front panel is received. | 2011-06-16 |
20110140688 | Device for Measuring Alternating Current Magnetic Susceptibility and Method of Measuring the Same - A device for measuring alternating current (AC) magnetic susceptibility and the method for measuring the same are provided. The device comprises an AC magnetic susceptibility coil set, a signal capturing unit, and a signal processing unit. The device detects AC magnetic susceptibility signals from under testing particles in the magnetic field with variable AC frequencies, and extracts the AC magnetic susceptibility intensity variation and phase difference and/or the real part and the imaginary part of the AC magnetic susceptibility by the signal processing unit. | 2011-06-16 |
20110140689 | SIGNAL AMPLITUDE ADJUSTMENT TO IMPROVE RESOLVER-TO-DIGITAL CONVERTER PERFORMANCE - An interface system between an RDC and a connected resolver dynamically matches an input range of the RDC to the output range of the resolver's output signals. The interface system may include methods and/or apparatuses to determine the amplitude of sinusoidal input signals presented to the RDC by the resolver and to compare the amplitude against high and low threshold values. A gain control signal may be generated, which may be corrected if the detected amplitude either exceeds the high threshold or falls below the low threshold. The gain control signal may be output to a circuit in the RDC or in the resolver that corrects any mismatch that occurs between the RDC input and the resolver output. For example, the gain control signal may control the amplitude of an excitation signal applied to a primary of the resolver or the gain control signal may be applied to an analog to digital converter at the input of the RDC to control its effective input range. | 2011-06-16 |
20110140690 | DEVICE FOR PILOTING AN AIRCRAFT HAVING OFF-AXIS MAGNETIC-FIELD-SENSITIVE ELEMENTS FOR DETECTING ANGULAR POSITION - The invention relates to a device for piloting an aircraft, having at least one piloting member which is movable about at least one axis of rotation equipped with at least one contactless angular position sensor including a stator assembly and a rotor assembly which are movable in relation to one another about an axis of rotation, at least one magnetic-field-sensitive element which is radially offset in relation to the axis of rotation, interlinked on one of the assemblies and placed opposite the magnetic structure interlinked on the other of the assemblies, and comprises:
| 2011-06-16 |
20110140691 | NON-DESTRUCTIVE DETERMINATION OF MAGNETIC PERMEABILITY TENSOR IN MATERIALS OF ARBITRARY SHAPE - A method of non-destructive determination of a local magnetic permeability tensor of a material comprises testing by X-ray diffraction on a first surface to identify and measure any surface stress in the material; performing a calibration test using magnetostriction to identify any effect of any determined stress; subjecting the material to a magnetic field having a strength H and measuring a field of induction B on the surface at the selected location and repeating this step by using gradual increases of H until a saturated value is determined for B, to determine a distribution of magnetic domains at the selected location; repeating the determinations of saturated values for B at additional locations on each selected surface of the material; and using the saturated values and distribution of magnetic domains to derive the magnetic permeability tensor. The non-destructive method provides increased accuracy for stressed or unstressed materials of arbitrary shape. | 2011-06-16 |
20110140692 | Method for determining the sensitivity of an acceleration sensor or magnetic field sensor - A method for determining the sensitivity of a sensor provides the following steps: a) first and second deflection voltages are applied to first and second electrode systems of the sensor, respectively, and first and second electrostatic forces are exerted on an elastically suspended seismic mass of the sensor by the first and second electrode systems, respectively, and a restoring force is exerted on the mass as a result of the elasticity of the mass, and a force equilibrium is established among the first and second electrostatic forces and the restoring force, and the mass assumes a deflection position characteristic of the force equilibrium, and an output signal characteristic of the force equilibrium and of the deflection position is measured; and b) the sensitivity of the sensor is computed on the basis of the first and second deflection voltages. | 2011-06-16 |
20110140693 | INTEGRATED TRIAXIAL MAGNETOMETER OF SEMICONDUCTOR MATERIAL MANUFACTURED IN MEMS TECHNOLOGY - Two suspended masses are configured so as to be flowed by respective currents flowing in the magnetometer plane in mutually transversal directions and are capacitively coupled to lower electrodes. Mobile sensing electrodes are carried by the first suspended mass and are capacitively coupled to respective fixed sensing electrodes. The first suspended mass is configured so as to be mobile in a direction transversal to the plane in presence of a magnetic field having a component in a first horizontal direction. The second suspended mass is configured so as to be mobile in a direction transversal to the plane in presence of a magnetic field having a component in a second horizontal direction, and the first suspended mass is configured so as to be mobile in a direction parallel to the plane and transversal to the current flowing in the first suspended mass in presence of a magnetic field having a component in a vertical direction. | 2011-06-16 |
20110140694 | PERMANENT OR VARIABLE ALTERNATING MAGNETIC FIELD CIRCULATION SENSOR, AND CURRENT SENSOR IMPLEMENTING SUCH A SENSOR - A permanent or variable magnetic field circulation sensor including apparatus for magnetic excitation further including at least one elongated excitation coil extending around an elongated supple magnetic core and including a supple magnetic material with low relative magnetic permeability having a supple or flexible matrix in which magnetic particles are dispersed, an excitation current generation unit coupled to the excitation coil to generate an excitation magnetic field in the core over substantially the entire length of the coil, apparatus for measurement including: at least one magnetic measuring transducer magnetically coupled to the apparatus for magnetic excitation, a measuring unit connected to the magnetic measuring transducer and suitable for providing a measurement of magnetic field circulation in the core. | 2011-06-16 |
20110140695 | FLATTENED GRADIENT COIL FOR MRI SYSTEMS - A gradient coil and an insert gradient coil for a magnetic resonance imaging system include a primary coil. The primary coil includes an upper primary coil portion and a lower primary coil portion, the lower primary coil portion being less curved in cross-section than the upper primary coil portion. The gradient coil also includes a shielding coil disposed outside of the primary coil. The shielding coil includes an upper shielding coil portion and a lower shielding coil portion, the lower shielding coil portion being less curved in cross-section than the upper shielding coil portion. | 2011-06-16 |
20110140696 | SYSTEM AND METHOD FOR QUANTITATIVE SPECIES SIGNAL SEPARATION USING MR IMAGING - A system and method for quantitative species signal separation in MR imaging is disclosed. An MR imaging apparatus includes an MRI system and a computer programmed to cause the MRI system to apply a pulse sequence and acquire multi-echo source data for the pulse sequence that includes a phase component and a magnitude component. The computer is further programmed to determine a first estimate of a first species content and a first estimate of a second species content based on the multi-echo source data, and determine a second estimate of the first species content and a second estimate of the second species content based on the multi-echo source data. | 2011-06-16 |
20110140697 | MAGNETIC RESONANCE IMAGING APPARATUS AND MAGNETIC RESONANCE IMAGING METHOD - According to one embodiment, an MRI apparatus includes an imaging unit and an application region calculating unit. The application region calculating unit automatically calculates an application region of a prepulse according to a region of interest of magnetic resonance imaging based on image data including the region of interest that are acquired before the application of the prepulse. The imaging unit performs magnetic resonance imaging of an object involving the application of the prepulse. | 2011-06-16 |
20110140698 | METHOD AND DEVICE FOR PHASE-SENSITIVE FLOW MEASUREMENT BY MAGNETIC RESONANCE - In a method and a device for phase-sensitive flow measurement of a volume segment of an examination subject using a magnetic resonance (MR) system, the volume segment is coded for imaging of this volume segment and a phase coding of the volume segment to code flow information of the volume segment is implemented. MR data are read out from the volume segment and the MR data are evaluated in order to generate an image of the volume segment with flow information. The phase coding to code the flow information is thereby independent of gradients which are used for spatial coding of the volume segment. | 2011-06-16 |
20110140699 | SYSTEM AND METHOD FOR COIL DISABLING IN MAGNETIC RESONANCE IMAGING - A system and method for coil disabling in magnetic resonance imaging are provided. One magnetic resonance coil includes a radio-frequency (RF) coil having end rings with a plurality of conductors connected therebetween and at least one loop coil positioned at one of the end rings. The one loop coil is configured to operate at a resonant frequency of the RF coil. | 2011-06-16 |
20110140700 | MULTIPLE-FREQUENCY RF TRAP AND MRI SYSTEM - A multiple-frequency RF trap and an MRI system including a multiple-frequency RF trap. The multiple-frequency RF trap being tuned to block RF energy at two frequencies. | 2011-06-16 |
20110140701 | DETERMINING PROPERTIES OF EARTH FORMATIONS USING THE ELECTROMAGNETIC COUPLING TENSOR - A system and method to determine earth formation properties by positioning a logging tool within a wellbore in the earth formation, the logging tool having a tool rotation axis and a first, a second, and a third tilted transmitter coil, and a tilted receiver coil; rotating the logging tool about the tool rotation axis; energizing each transmitter coil; measuring a coupling signal between each transmitter coil and the receiver coil for a plurality of angles of rotation; determining a coupling tensor; and determining the earth formation properties using the coupling tensor. | 2011-06-16 |
20110140702 | Apparatus and Method for Balancing Impedance of a Resistivity Measuring Tool - An apparatus for making resistivity measurements of an underground formation surrounding a borehole, comprising:
| 2011-06-16 |
20110140703 | AMORPHOUS IROX FILM PH SENSOR - The present invention provides a pH sensing apparatus that includes a flexible polymer substrate, one or more amorphous iridium oxide film sensor electrodes disposed on the flexible polymer substrate, and a reference electrode corresponding to each amorphous iridium oxide film sensor electrode. Each reference electrode is disposed on the flexible polymer substrate in close proximity to the corresponding amorphous iridium oxide film sensor electrode. The amorphous iridium oxide film sensor electrodes provide a potential in reference to the reference electrodes that varies according to a pH of a substance contacting the amorphous iridium oxide film sensor electrodes and the reference electrodes. | 2011-06-16 |
20110140704 | ELECTRONIC SALT METER - An electronic salt meter including a sensor rod, salt meter body and receiving components to measure a temperature and salinity. The electronic salt meter includes a first and sensor electrode and a temperature sensor to detect a temperature of the measurement object. A measurement monitoring unit detects whether the first and second sensor electrodes are electrically connected to each other. A salinity measurement unit applies an AC power to the first and second sensor electrodes to measure salinity of the measurement object. A temperature measurement unit applies a power to the temperature sensor to measure the temperature of the measurement object. A thermal equilibrium detection unit stores the temperature value previously measured, and when the temperature variation is less than a predetermined threshold, it is determined as a thermal equilibrium state. A room-temperature salinity conversion unit converts the salinity value into a salinity value at room temperature. | 2011-06-16 |
20110140705 | ELECTROSTATIC SENSOR DEVICE AND MATRIX - An electrostatic sensor device including a first sensor element and a second sensor element; a dielectric substrate material formed in two layers, and a sensing hole which penetrates the dielectric substrate material from its upper surface to its lower surface. The first sensor element is receivable in the sensing hole; and second sensor element includes a first conducting ring disposed on an upper surface of said dielectric substrate and surrounding said sensing hole. The second conducting ring is disposed on a lower surface of the dielectric substrate and surrounds the sensing hole. The first sensor element and the second sensor are capable of producing a variable response when the first sensor element is disposed in the sensing hole. | 2011-06-16 |
20110140706 | Particle-Based Electrostatic Sensing and Detection - An apparatus and methods for electrostatic-based sensing and detection of charges and charged materials displayed on a surface. In a general embodiment, a method for electrostatically sensing charges or charged materials by comparing the electrostatic interaction between a capture surface and a reference surface. Assays to detect binding or interactions between a capture surface and a material to be detected are also described. We also describe a sensitive and label-free electrostatic readout of DNA or RNA hybridization in a microarray format and using a microfluidic device. The electrostatic properties of the hybridized particles are measured using the positions and motions of charged microspheres. This approach enables sensitive, non-destructive electrostatic imaging. Changes in surface charge density as a result of specific molecular interaction can be detected and quantified with great sensitivity, and in the presence of a complex background. | 2011-06-16 |
20110140707 | Method for Operating a Power Tool with a Diagnostic Device - In a method for operating a power tool with a diagnostic device, wherein the power tool has an internal combustion engine, a generator as an energy supply, and an electronic control unit, wherein a diagnostic device is connectable to the electronic control unit, and wherein the electronic control unit has an operating mode and a diagnostic mode, a non-uniform voltage signal is supplied by the generator as an energy supply and a uniform voltage signal is supplied by the diagnostic device as an energy supply. The electronic control unit evaluates the voltage signal that is being supplied as an energy supply and switches to diagnostic mode when the voltage signal is the uniform voltage signal supplied by the diagnostic device. | 2011-06-16 |
20110140708 | SYSTEM, METHOD, AND APPARATUS FOR PROVIDING REDUNDANT POWER CONTROL USING A DIGITAL OUTPUT MODULE - A method for providing redundant power control to a load using a digital output module includes coupling at least one sourcing driver to a voltage supply and to a first output terminal, coupling at least one sinking driver to a voltage return and to a second output terminal, and coupling a load to the first output terminal and to the second output terminal. The method also includes sensing a failure in one of the at least one sourcing driver and the at least one sinking driver. | 2011-06-16 |
20110140709 | LOCATING SHORT CIRCUITS IN PRINTED CIRCUIT BOARDS - One embodiment provides a method of locating a short circuit in a printed circuit board. Test signals may be injected at different test points on the circuit board. The distance between each test point and the short circuit may be determined according to how long it takes for a signal reflection at the short circuit to propagate back to each test point. The distances between the various test points and the short circuit can be used to narrow the possible locations of the short circuit or even to pinpoint the location of the short circuit. | 2011-06-16 |
20110140710 | Continuous Critical Current Measurement Apparatus And Method Of Measuring Continuous Critical Current Using The Same - The present invention relates to an apparatus and method for measuring the critical current of a superconducting tape. A continuous critical current measurement apparatus for measuring critical current of a superconducting tape while feeding a superconducting tape in a liquid nitrogen container includes wheel-type current terminals and wheel-type voltage terminals. The superconducting tape is continuously supplied and fed by a reel-to-reel device, and the critical current of the superconducting tape is measured in real time using the wheel-type current terminals and the wheel-type voltage terminals while the superconducting tape is fed at constant linear velocity in contact with the wheel-type current terminals and the wheel-type voltage terminals. | 2011-06-16 |
20110140711 | MEASUREMENT CIRCUIT AND ELECTRONIC DEVICE - Provided is a measurement circuit that is provided in the same electronic device as a circuit under measurement, comprises a difference generating section and an integrating section, and performs a sigma-delta AD conversion on a signal under measurement output by the circuit under measurement, the measurement circuit further comprising a sampling section that is provided between an output end of the difference generating section and an input end of the integrating section, detects a level of a signal input thereto at predetermined sampling intervals, and outputs a sampled signal corresponding to the detected signal level. This measurement circuit is used to easily perform a sigma-delta AD conversion on a high-frequency signal under measurement. | 2011-06-16 |
20110140712 | METHOD OF DETERMINING APPLICATION LIMIT OF ELECTROSTATIC CHUCK - There is provided a method of determining an application limit of an electrostatic chuck, in which method a determination can be accurately made as to whether the electrostatic chuck has reached the application limit or not. The electrostatic chuck has a first electrode and a second electrode, and a coating layer made of a dielectric material to cover both the electrodes. By applying a voltage from a power supply between the first and the second electrodes, a to-be-processed substrate that is mounted on a surface of the coating layer is attracted. A current value that flows between the first and the second electrodes in a state of attracting the to-be-processed substrate is detected by an ammeter. When the detected current value has exceeded a predetermined threshold value, a determination is made that the electrostatic chuck has reached the application limit. The threshold value is set to different values depending on various kinds of to-be-processed substrates whose rear surfaces coming into contact with the electrostatic chuck have different resistance values. | 2011-06-16 |
20110140713 | FUSE DRIVER CIRCUITS - Fuse driver circuits, fuse driver testing circuitry, and methods for testing the fuse driver circuits using the testing circuitry are described. In some embodiments, the fuse driver circuit can be made using a fuse, a NMOS transistor, and a PMOS transistor. The drain of the NMOS transistor can be connected to the negative end of the fuse. The source of the NMOS transistor can be connected to ground. The drain of the PMOS transistor can be connected to a positive end of the fuse. The NMOS and PMOS transistors provide enhanced robustness to the fuse driver circuit in both undervoltage and overvoltage conditions. Other embodiments are also described. | 2011-06-16 |
20110140714 | DETERMINATION OF INSULATION RESISTANCE OF AN ELECTRIC DC CIRCUIT - A method for determining an insulation resistance of an electric DC circuit having at least a first and a second terminal includes performing a measurement cycle, verifying whether the change of a measured current exceeds a predetermined change rate, calculating a total insulation resistance, and calculating a first insulation resistance between the first terminal and a reference potential and a second insulation resistance between the second terminal and the reference potential. An insulation resistance measurement circuit is also provided for carrying out the aforementioned method. | 2011-06-16 |