03rd week of 2010 patent applcation highlights part 20 |
Patent application number | Title | Published |
20100013382 | METHODS FOR PRODUCING MATERIALS WITH PHOTO AND ELECTROLUMINESCENCE PROPERTIES AND SYSTEMS USING SUCH MATERIALS. - The invention is directed to a method of preparing polymeric metallomacrocycles having measurable photo- and electroluminescence properties and devices using such materials. In an embodiment an O-hexyl-3,5-bis(terpyridine)phenol ligand has been synthesized and transformed into a hexagonal Zn(II)-metallomacrocycle by a facile self-assembly procedure capitalizing on terpyridine-Zn(II)-terpyridine connectivity. The material is usable in an OLED device based on the photo- and electro-luminescence characteristics thereof. | 2010-01-21 |
20100013383 | ORGANIC LIGHT EMITTING DEVICE AND MANUFACTURING METHOD THEREOF - The present invention relates to an organic light emitting device and a manufacturing method thereof. A method of manufacturing an organic light emitting device according to an exemplary embodiment of the present invention includes: respectively forming first, second, and third driving transistors in a first region, a second region, and a third region on a substrate; forming an insulating layer on the first to third driving transistors; respectively forming first, second, and third pixel electrodes on the insulating layer, the first, second, and third pixel electrodes being formed in the first, second, and third regions, respectively; forming an auxiliary electrode on a side surface of each of the first, second, and third pixel electrodes; forming an organic light emitting member on the first to third pixel electrodes; and forming a common electrode on the organic light emitting member. | 2010-01-21 |
20100013384 | ORGANIC LIGHT-EMITTING DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - Embodiments of the disclosure provide an organic light-emitting display device and a manufacturing method of the organic light-emitting display device. The organic light-emitting display device includes a substrate; a display unit formed on the substrate; an encapsulation substrate formed above the display unit; a first sealant bonding the substrate and the encapsulation substrate; and a filler disposed between the substrate and the encapsulation substrate. In addition, a second sealant is provided to separate the the first sealant and the filler. The adhesive strength of the second sealant is greater than an adhesive strength of the filler. | 2010-01-21 |
20100013385 | DISPLAY DEVICE, APPARATUS FOR PRODUCING DISPLAY DEVICE, AND METHOD FOR PRODUCING DISPLAY DEVICE - A display device free from a deterioration in luminescence efficiency is provided. In the display device of the present invention, since an inorganic film is formed after concave parts in which luminescence portions are positioned are filled with a filling film, no crack is formed in the inorganic film. Since the inorganic film is made of a material having high gas tightness and heat conductivity (such as, diamond-like carbon or AlN), water and oxygen will hardly penetrate the luminescence portions, and heat of the luminescence portions will be conducted to the inorganic film, so that the luminescence portions do not reach high temperatures. Further, since a gap between first and second panels is filled with a resin film, the atmosphere does not enter from the outside. Because the luminescence portions are free from damage from water, oxygen and heat, the display device of the present invention has a prolonged life. | 2010-01-21 |
20100013386 | NEAR INFRARED EMITTING ORGANIC COMPOUNDS AND ORGANIC DEVICES USING THE SAME - Certain iridium compounds which may comprise an iridium(III)-ligand complex having the general formula: (ĈN) | 2010-01-21 |
20100013387 | ORGANIC EL DEVICE AND AN ORGANIC EL DEVICE PRODUCING METHOD - A technology is provided, which obtains an organic EL device free from any reduction in the luminescent efficiency, even if an electrode layer is formed on a surface of a charge injection layer by a sputtering method. An organic EL device of the present invention includes a first charge injection layer, a first organic layer, and a second charge injection layer. The second charge injection layer is formed as a mixed layer in which a matrix organic material and a charge injectable metallic material are mixed. Even when the electrode layer is formed on a surface of this second charge injection layer by the sputtering method, the luminescent efficiency does not decrease. | 2010-01-21 |
20100013388 | Electroluminescent Plate, Product Containing the Same, and Preparing Method Thereof - A case product comprises an EL plate and a plastic shell, wherein the EL plate comprising a substrate film, a transparent electrode layer, a light-emitting layer, an insulating layer, a back electrode layer, and an adhesive layer, wherein the substrate film, the transparent electrode layer, the light-emitting layer, the insulating layer, the back electrode layer, the protective layer and the adhesive layer are configured to be positioned next to each other in a predefined order. And a method of preparing a case product comprises: coating a substrate film with a transparent electrode layer, a light-emitting layer, an insulating layer, a back electrode layer, a protective layer and an adhesive layer; shaping the substrate film in a high-pressure mold; cutting the substrate film in a cutting mold to form an EL plate; molding the EL plate in an injection mold, and integrating the EL plate with a plastic shell. | 2010-01-21 |
20100013389 | METAL HALIDE LAMP HAVING A DISCHARGE VESSEL SURROUNDED BY AN OUTER ENVELOPE - A metal halide lamp comprising a discharge vessel ( | 2010-01-21 |
20100013390 | Shine-Through Hydrogen Lamp - A shine-through, low pressure discharge, hydrogen lamp has a metallic housing structure shielding the discharge space in a lamp bulb filled with hydrogen. In this lamp a diaphragm ( | 2010-01-21 |
20100013391 | FLUORESCENT LAMP SUPPORT - Apparatus and methods for supporting a lamp. The apparatus may include a ballast, a rigid power distribution unit, and a lamp holder. The lamp holder may be in electrical communication with the rigid power distribution unit. The rigid power distribution unit may include a track that has conducting rails for supplying power to lamp holders. The track may be used to position lamp holders at any desired spacing so the track may be used in connection with fixture designs requiring different center-to-center lamp spacing. In some embodiments, the rigid power distribution unit may include a printed circuit board. The lamp holder may clamp or be soldered onto the printed circuit board and draw power from it. The printed circuit board may have traces from each lamp holder to be plugged into it. | 2010-01-21 |
20100013392 | Indicator test switch for downlight lighting device and bracket therefor - A lighting device including a test device for testing the proper operation of a primary and a secondary power supply alternatively providing electrical power to the light. The test device is attached to a bracket using a single fastener such as a nut and the bracket is attached to a receptacle for the light using a different single fastener, such as a pop-rivet or screw. | 2010-01-21 |
20100013393 | DISCHARGE LAMP LIGHTING DEVICE, AND ILLUMINATING DEVICE - In order to enhance stability of a discharge lamp at the time of dimming lighting even in the case where a light output is lowered, a direct current superimposing circuit superimposes a direct current voltage on an alternating current voltage applied to a fluorescent lamp, and a dimming signal correction circuit receives a detection value of a direct current voltage detection circuit and a dimming signal that is from an outside, outputs a dimming signal higher in level than the dimming signal in the case where the detection value of the direct current voltage detection circuit exceeds a first threshold value, and decreases the level of the outputted dimming signal to the level of the inputted dimming signal in the case where the detection value of the direct current voltage detection circuit falls down below a second threshold value that is equal to or less than the first threshold value. Then, an amount of alternating current power supplied to the fluorescent lamp by an inverter circuit is increased and decreased in response to fluctuations of the level of the dimming signal outputted by the dimming signal correction circuit, whereby the fluorescent lamp is dimmed. | 2010-01-21 |
20100013394 | Ciruitry for portable lighting devices and portable rechargeable electronic devices - A portable rechargeable electronic device, such as a flashlight, with external charging contacts and a short protection circuit is disclosed. The short protection circuit electrically uncouples one of the exposed charging contacts from the rechargeable power supply for the device when the charging contacts are short circuited. The charging contact is uncoupled without opening the power circuit for the device; thus, the device can continue to operate while the charging contacts are shorted. The power supply for the device may be a rechargeable lithium-ion battery pack. | 2010-01-21 |
20100013395 | DYNAMIC HEADROOM CONTROL FOR LCD DRIVER - An LED driver controller comprises a voltage regulator for controlling an output voltage to a top of a plurality of LED strings responsive to at least a reference voltage. A plurality of first circuitries each associated with a node at a bottom of each of the plurality of LED strings compares a voltage at the bottom of each of the plurality of LED strings with a high reference voltage and a low reference voltage. Control logic generates a first control signal when the voltage at the bottom of each node of the plurality of LED strings exceeds the high reference voltage and generates a second control signal when the voltage at least one of node of the plurality of LED strings falls below the low reference voltage. Second circuitry responsive to the first control signal and the second control signal generates the reference voltage. The reference voltage is controlled to cause the voltage at the bottom of the lowest voltage node of the plurality of LED strings to remain between the high reference voltage and the low reference voltage. | 2010-01-21 |
20100013396 | LED CONTROL SYSTEM USING MODULATED SIGNAL - An LED control system using a modulated signal includes a computer, a data storage unit, an AC power, a power conversion circuit, a control circuit, and an LED lamp string. The AC power is converted into a DC power by the power conversion circuit to supply a DC voltage to the control circuit and the LED lamp string. A computer control data is sent to the control circuit through the data storage unit by a user using the computer. The computer control data is modulated to a modulated signal by the control circuit. The modulated signal is sent to the LED lamp string with the same transmission line sending the DC voltage. The light of the LED lamp string is changed according to the modulated signal. The cost is reduced because the DC voltage and the modulated signal are sent in the same transmission line. | 2010-01-21 |
20100013397 | POWER CONVERSION STRUCTURE - A power conversion structure includes a power factor correction circuit which has an energy storage coil, a switch and a voltage boosting control unit. The voltage boosting control unit drives the switch to set OFF and ON of the switch to change the period of current passing through the energy storage coil to alter the phase of the current. The energy storage coil is coupled with at least one induction coil to induce and generate driving power to energize lighting equipment. The amount of the driving power is determined by the coil ratio of the induction coil and the energy storage coil. Through the induction coil, the energy storage coil can be induced to generate the driving power which is determined by the coil ratio of the induction coil and energy storage coil. | 2010-01-21 |
20100013398 | High Voltage Discharge Lamp Lighting Device - A high-voltage discharge lamp lighting device provides a starting pulse voltage sufficient to turn on a high-voltage discharge lamp having terminal wire connections of variable length. A power conversion circuit is coupled to a commercial AC power source input and rectifies the AC input into a predetermined DC voltage output. A charging capacitor is coupled to the power conversion circuit. A full bridge circuit is coupled to the power conversion circuit and the charging capacitor and provides a rectangular wave AC output signal to a transformer primary winding circuit of at least a capacitor, a single switching element and a primary winding of a transformer. A low pulse voltage is induced in the primary winding and a transformer secondary winding is connected on one end to the high-voltage discharge lamp, wherein the low pulse voltage is stepped up to a high pulse voltage and applied to the high-voltage discharge lamp. A reference voltage is generated in a reference transformer winding representative of the high pulse voltage. A starting pulse equivalent value detection circuit is connected to the reference winding and detects a value associated with the reference voltage. A control circuit receives said value from said detection circuit, and variably controls at least one of a frequency of the single switching element or an ON impedance of the single switching element in association with said value, wherein said frequency or ON impedance is further associated with a starting pulse voltage sufficient to start the high-voltage discharge lamp. | 2010-01-21 |
20100013399 | LIGHTING METHOD FOR A HIGH-PRESSURE DISCHARGE LAMP, LIGHTING CIRCUIT FOR A HIGH-PRESSURE DISCHARGE LAMP, HIGH-PRESSURE DISCHARGE LAMP APPARATUS, AND PROJECTOR-TYPE IMAGE DISPLAY APPARATUS - After startup, a lighting method for a high-pressure discharge lamp is to light the lamp at a rated frequency without switching the frequency for 120 seconds (S | 2010-01-21 |
20100013400 | Circuit Arrangement and Method for Operating a High-Pressure Discharge Lamp - A circuit arrangement for operating a high-pressure discharge lamp ( | 2010-01-21 |
20100013401 | Circuit Arrangement and Method for Starting and Operating One or More Discharge Lamps - A circuit arrangement for starting and operating one or more discharge lamps comprising a self-oscillating inverter ( | 2010-01-21 |
20100013402 | System And Method For Controlling A Matrix Of Light Emitting Diodes And Light Provided Therewith - A system and method for controlling a matrix of light emitting diodes (LED) connected to an input line comprises a power converter for connecting to the matrix of LEDs and to the input line therebetween and for receiving from the input line an input current and an input voltage characterized by a shape and a frequency and for providing a direct current (D.C.) output for powering up the LEDs, yielding an operating current through the LEDs. The power converter includes a first current sensor for sensing the input current and a second current sensor for sensing the operating current. The system further comprises a controller for connecting to both the input line and to the power converter. The controller includes a voltage sensor for sensing the input voltage and a pre-regulator i) for receiving the operating current, the input current and the input voltage, ii) for biasing the operating current towards a target current value, and iii) for regulating the power converter to cause the input current to follow the shape and frequency of the input voltage, yielding a unity power factor and minimizing the input current harmonic distortion. The present method and system allows maximizing the energy savings, controlling current flowing in the diodes so as to obtain the maximum flux of light with the minimum energy and also allows meeting all safety, EMI, reliability and robustness requirements. | 2010-01-21 |
20100013403 | Step-Up Driver With Minimal Switching Frequency - The invention relates to an electronic ballast comprising a step-up converter for operating a discharge lamp. The electronic ballast is embodied in such a way as to disconnect a switching element (T | 2010-01-21 |
20100013404 | OPTICAL ELEMENT DRIVING CIRCUIT - An optical element driving circuit flexibly configures energy sources to cause illumination with an optical output element, such as a flash lamp. The energy sources include an illumination capacitor and a capacitive voltage divider circuit coupled with the optical output element. The illumination capacitor may be charged to a first voltage and a boost capacitor of the capacitive voltage divider circuit may be charged to a second voltage that is a fraction of the first voltage. The optical element driving circuit also includes a triggering circuit coupled with the capacitive voltage divider circuit. The triggering circuit is configured to place a sum of the first voltage and the second voltage across the optical output element. | 2010-01-21 |
20100013405 | VARIABLE LOAD CIRCUITS FOR USE WITH LIGHTING CONTROL DEVICES - A variable load circuit ( | 2010-01-21 |
20100013406 | TEXTILE FOR CONNECTION OF ELECTRONIC DEVICES - A textile ( | 2010-01-21 |
20100013407 | Circuit Arrangement and Method for Operating a High-Pressure Discharge Lamp - A circuit arrangement for operating a high-pressure discharge lamp, comprising at least one first electronic switch and one second electronic switch in a half-bridge arrangement; a supply voltage terminal for supplying the half-bridge arrangement with a DC voltage signal; a load circuit, which comprises a lamp inductor and is coupled firstly to the half-bridge center point and secondly to at least one terminal for connecting the high-pressure discharge lamp; a drive circuit for providing at least one first and one second drive signal for the first electronic switch and the second electronic switch, the drive circuit being adapted to provide the first and the second drive signal in such a way that the clock thereof is firstly swept between a first and a second frequency; wherein the drive circuit is furthermore adapted to modulate the first and the second drive signal with a predeterminable third frequency, with the modulation with the predeterminable third frequency being single-tone frequency modulation, with the result that, in the amplitude spectrum of the first and the second drive signal, at least one first, one second and one third spectral line appear, the first spectral line corresponding to the instantaneous frequency of the swept clock, and the second and the third spectral lines, in terms of absolute value, appearing at an interval with respect to the predeterminable third frequency, symmetrically with respect to the first spectral line, and that, in the power spectrum of the signal, at the terminal for connecting the high-pressure discharge lamp, a spectral line at the predeterminable third frequency results. | 2010-01-21 |
20100013408 | DIMMING CIRCUIT FOR CONTROLLING ELECTRICAL POWER - A dimming circuit includes an isolated DC voltage source that is selectively coupled to a switch through which power is supplied from a source to a load. In a disclosed example, the switch comprises two MOSFETs. The isolated DC voltage source is selectively coupled directly to the gate and source of the MOSFETs to set them into an operative state for providing power to the load. A controller controls another switch that is operative to selectively control when the isolated DC voltage source is coupled to the switch. | 2010-01-21 |
20100013409 | LED Lamp - An LED lamp is provided in which the output light intensity of the LEDs in the LED lamp is adjusted based on the input voltage to the LED lamp. The LED lamp comprises one or more LEDs, and an LED driver configured to receive an input voltage and provide regulated current to said one or more LEDs, where the LED driver is configured to adjust the regulated current to said one or more LEDs according to the input voltage to adjust the output light intensity of said one or more LEDs. The LED lamp can be a direct replacement of conventional incandescent lamps in typical wiring configurations found in residential and commercial building lighting applications that use conventional dimmer switches that carry out dimming by changing the input voltage to the LED lamp. | 2010-01-21 |
20100013410 | POWER CONTROL DEVICE FOR A LOAD, AND LIGHTING ASSEMBLY HAVING THE SAME - A power control device includes a switch unit coupled in series to a load that has a rated power consumption and that is supplied with power from an external power source, and the power source. A current detecting unit is coupled to the load and outputs a detector signal corresponding to a detected current flowing through the load. A processing unit receives the detector signal from the current detecting unit, and processes the detector signal so as to output a power indicating signal that varies with a consumed power of the load. A control unit controls conduction times of the switch unit based upon the power indicating signal from the processing unit and a predetermined standard criterion corresponding to the rated power consumption of the load such that the detected current corresponds to the rated power consumption of the load. | 2010-01-21 |
20100013411 | DRIVE DEVICE AND METHOD FOR OPERATING AT LEAST ONE SERIES CIRCUIT OF LIGHT-EMITTING DIODES - A device for at least one series circuit of multiple light-emitting diodes, having a voltage regulation unit for regulating an operating voltage for the at least one series circuit of the light-emitting diodes. A current regulation unit for regulating the current through the particular series circuit of light-emitting diodes is provided for each series circuit of light-emitting diodes, and the current regulation unit is connected to the voltage regulation unit in order to transmit a current regulation signal to the voltage regulation unit. | 2010-01-21 |
20100013412 | TRANSIENT SUPPRESSION FOR BOOST REGULATOR - A circuit for generating an output voltage to a top node of a plurality of LED strings. The circuit includes an inductor having a load current flowing therethrough and a switching transistor responsive to a switching control signal. An integrator generates a compensation voltage responsive to a voltage at a bottom node of the LED string and a reference voltage. Circuitry for combining an offset with the compensation voltage is responsive to the compensation voltage and the load current through the inductor. The offset is generated only during a step load change of the load current and substantially reduces voltage transients from the compensation voltage and the output voltage. A summation circuit sums the compensation voltage including the offset with at least the voltage at the bottom node of the LED string to generate a first control signal. A latch generates the switching control signal responsive to the first control signal and a leading edge blanking signal. | 2010-01-21 |
20100013413 | Light Emitting Device - A light emitting device capable of decreasing manufacturing cost includes a power generator for generating a first DC power, a first DC controller for generating a control signal, a DC-DC transformer coupled to the power generator and the DC control unit, for transforming the first DC power into a second DC power according to the control signal, a plurality of LED loads each including a plurality of LED sequences coupled to the DC-DC transformer, for emitting light according to the second DC power, and a plurality of LED drivers coupled to the plurality of LED loads, for adjusting output currents of the LED sequences to achieve constant output currents. | 2010-01-21 |
20100013414 | Lamp and Bulb For Illumination and Ambiance Lighting - An Edison-style light bulb ( | 2010-01-21 |
20100013415 | LAMP DETECTION DRIVING SYSTEM AND RELATED DETECTION DRIVING METHOD - A lamp detection driving system is disclosed for performing adaptive lamp driving and related detection operations based on a recipe. The system includes a micro-controller, a driver, a defect detection module and a feedback circuit. The micro-controller provides a modulation signal and a plurality of reference signals based on the recipe. The driver generates at least one driving signal for driving at least one lamp based on the modulation signal. The feedback circuit generates a plurality of feedback signals based on lamp currents or lamp voltages. The defect detection module generates a plurality of detection signals based on the reference signals and the feedback signals. Furthermore, disclosed is a lamp detection driving method including downloading the recipe, generating at least one driving signal for driving at least one lamp based on the recipe, and providing at least one reference signal for performing defect detection processes based on the recipe. | 2010-01-21 |
20100013416 | PLASMA DISPLAY DEVICE - A plasma display device includes a plasma display panel, a chassis disposed on the plasma display panel with a heat-conducting sheet in between, a small-signal processing circuit board disposed on a rear face of the chassis, a thermal sensor, a thermal sensor fixture for installing the thermal sensor, a front frame, and a back cover having a ventilation area with multiple ventilating holes. The thermal sensor fixture has a shielding wall around the thermal sensor and is disposed on a rear face of the small-signal processing circuit board. The thermal sensor is disposed at an intermediate position between the plasma display panel and the back cover at a position facing the back cover. | 2010-01-21 |
20100013417 | CERAMIC METAL HALIDE LAMP WITH OXYGEN CONTENT SELECTED FOR HIGH LUMEN MAINTENANCE - A lamp includes a discharge vessel with electrodes extending into the discharge vessel and an ionizable fill scaled within the vessel. The fill includes a buffer gas, optionally mercury, and a halide component. The lamp includes available oxygen, sealed within the discharge vessel, at a concentration of at least 0.1 μmol O/cc. | 2010-01-21 |
20100013418 | Particle Radiation Therapy Equipment - Particle radiation therapy equipment arranged to apply a charged particle beam in a predetermined direction to a region of application within an imaging volume, comprising a charged particle beam source arranged to direct a charged particle beam in the predetermined direction, further comprising magnetic field generation means for generating a magnetic field in the region of application at the same time that the charged particle beam is applied, wherein the magnetic field generation means is arranged to provide access to the region of application for the charged particle beam, and to provide a homogeneous magnetic field in the region of application of the charged particle beam, said magnetic field being directed substantially in the predetermined direction. | 2010-01-21 |
20100013419 | Parallel Motor Controller Architecture - Apparatus, methods, and computer storage media provide for the establishment of a parallel motor controller architecture and the dynamic reconfiguration of the architecture to redirect power to various motors according to the changing power load requirements of the motors. According to embodiments described herein, the present power load requirement for each motor of a group of motors is determined. The number of motor controllers to connect to each motor to provide the present power load requirement is then determined. A power switching network that connects the motor controllers to the motors is configured to connect the determined number of motor controllers to the corresponding motors. As the power load requirements of the motors changes, the power switching network is dynamically reconfigured to redirect power accordingly. | 2010-01-21 |
20100013420 | REVERSE DRIVE CONTROL FOR A MOTORCYCLE - A vehicle comprising a rotatable wheel (e.g., three rotatable wheels), a forward drive mechanism including a forward drive motor (e.g., an internal combustion engine), and a reverse drive mechanism. The reverse drive mechanism includes a reverse drive motor (e.g., an electric motor) adapted to move the chassis in the rearward direction, and a reverse drive control programmed to inhibit operation of the reverse drive mechanism when the forward drive motor is off. In one embodiment, the vehicle includes a battery for operating the reverse drive motor, and the reverse drive control is programmed to inhibit operation of the motor when a characteristic of the battery (e.g., an output voltage) falls below a threshold. The vehicle can further include a temperature sensor for the reverse drive motor. In this embodiment, the reverse drive control is programmed to inhibit operation of the reverse drive motor when the temperature of the motor exceeds a threshold. | 2010-01-21 |
20100013421 | DRIVE CONTROLLER AND DRIVE CONTROL METHOD FOR ELECTRIC MOTOR - Control mode switching determination is made as a part of a main loop (control period (Tm)) for overall control of an AC electric motor. Control period (Tc) of a rectangular wave voltage control mode is shorter than the execution period (Tm) of the control mode switching determination. When switching from the rectangular wave voltage control mode to PWM control mode is determined, change in voltage phase of the rectangular wave voltage is inhibited from the timing (time t | 2010-01-21 |
20100013422 | Motor driving apparatus and control method thereof - Provided is a motor driving apparatus including a motor drive unit including a plurality of transistors which are repeatedly turned on and off in response to a pulse having a pulse width modulated at a first carrier frequency to control driving of a motor in a normal operation state and which supply a drive current to the motor; and a control unit that controls the plurality of transistors to be turned on and off in response to a pulse having a pulse width modulated at a second carrier frequency higher than the first carrier frequency, when a voltage applied between input terminals of the motor drive unit rises to a predetermined value. | 2010-01-21 |
20100013423 | CONTROL CIRCUITRY OF CEILING FAN FOR CONTROLLING ROTATION DIRECTION AND SPEED - A control circuitry of a ceiling fan for controlling speed and direction of rotation of the ceiling fan includes a power switch, an electromagnetic interference reduction circuit connected to the power switch, a power frequency detecting circuit connected to the electromagnetic interference reduction circuit, a central processor connected to the power frequency detecting circuit, a motor driving circuit connected to the central processor and a brushless motor, a rectification and filter circuit connected to the electromagnetic interference reduction circuit and the motor driving circuit, and a power supply circuit connected to the power frequency detecting circuit and the central processor. When the power switch is operated, it will generate interruptions, and the central processor will sense these interruptions and determine which are commands for speed change and which are commands for direction change according to the time of the interruptions to control the brushless motor through the motor driving circuit. | 2010-01-21 |
20100013424 | APPARATUS AND METHOD FOR CONTROLLING BARRIER MOVEMENT - An apparatus for controlling the movement of a barrier is provided. The apparatus includes a governor with a preload member. The preload member provides a preload force that releasably and magnetically couples the preload member to the governor. The preload member is configured and arranged to provide a sufficient holding force to the governor in order to hold the barrier in place. The governor is configured and arranged to, upon the preload force being selectively decoupled from the preload member, allow for the downward movement of the barrier while also forming and applying an intentional braking force to the barrier to slow the downward movement of the barrier. | 2010-01-21 |
20100013425 | Method and Control Device for Automatically Determining a Mass of a Door System - A method is disclosed for automatically determining an effective mass of a door system that is driven by a motor and has at least one door. In this case a speed change accomplished during an acceleration movement is established, and a force variable, for example the motor current or an armature voltage, influencing the drive force of the motor is summed or integrated during the acceleration movement. The effective door mass is established from the sum or the integral of the force variable and the speed change, the summation or the integration of the force variable being performed over a number of operating system cycles of a control device assigned to the door system. Also described is a control device for automatically determining the effective door mass, having a memory for force variable profiles that is designed in such a way that mass can be established for different force variable profiles in the memory in conjunction with an unchanged program code. | 2010-01-21 |
20100013426 | ELECTRONIC STARTER DEVICE FOR AN ELECTRIC MOTOR, IN PARTICULAR FOR A COMPRESSOR OF A REFRIGERATING CIRCUIT OF AN ELECTRIC HOUSEHOLD APPLIANCE - An electronic starter device for an electric motor including a first terminal connected in use to a mains voltage source selectively activatable by means of control means to feed respective starter and run windings of the electric motor; switch means arranged in series between the voltage source and the starter winding to selectively feed the starter winding; generating means of a first low voltage potential (V | 2010-01-21 |
20100013427 | MOTOR CONTROLLER SYSTEM AND METHOD FOR MAXIMIZING ENERGY SAVINGS - A motor controller ( | 2010-01-21 |
20100013428 | APPARATUS FOR CHARGING PORTABLE DEVICES USING SOLAR CELL - Provided is an apparatus for charging a variety of portable devices using external light without an additional power, and more particularly, an apparatus adding a voltage pump function in which a full charge or quick charge is performed by artificial-intellectually recognizing types of portable devices, the state of a residual current of a battery inside the portable devices is sensed, a voltage of the apparatus is boosted and the battery is fully charged. The apparatus includes a microcomputer, a built-in battery charging the power generated in the solar cell, a built-in battery charging pulse width modulation (PWM) unit switching a charging operation into the built-in battery from the solar cell and controlling the size of a voltage (a charge voltage) supplied to the built-in battery, a built-in battery discharging PWM unit controlling (switching) a discharging operation in which the voltage charged in the built-in battery is discharged into the external device and controlling the size of a discharge voltage, a temperature sensor sensing a temperature of the built-in battery, and a voltage input/output unit outputting the voltage discharged from the built-in battery to the external device and having a common connection terminal to which voltage is inputted from the outside, so as to supply an output voltage of an external battery charger to the built-in battery. | 2010-01-21 |
20100013429 | BATTERY MANAGEMENT SYSTEMS AND METHODS - Battery management systems and methods are provided. The system includes an electronic device and a fuel cell module. The electronic device includes a processing module, a first power adapter, a first communication interface, and a rechargeable battery. The fuel cell module includes a second power adapter connected with the first power adapter, a second communication interface connected with the first communication interface, at least one fuel cell, and a control unit. The control unit receives a first status of the rechargeable battery from the electronic device via the processing module, the first communication interface and the second communication interface, and determines whether to charge the rechargeable battery using the fuel cell via the second power adapter and the first power adapter according to the first status. | 2010-01-21 |
20100013430 | CHARGING METHODS FOR BATTERY POWERED DEVICES - A battery charge control system including an algorithm for determining whether the battery chemistry of a battery pack for use in a portable electronic device is primary, in which case charging is prevented, or secondary, in which case charging is enabled. The routine operates by measuring the terminal voltage and temperature of the battery under certain predetermined tests, which generally include a combination of voltage and internal impedance tests performed during charge or discharge. Additionally, a method is described to detect and to correct for lack of cell balance within the rechargeable battery pack of a portable electronic device. A cell or cells of the battery pack which are close to depletion, or are completely depleted, are detected, and a discharge/charge routine is executed to provide for optimum recharging of all of the cells of the battery, thus ensuring proper cell balance, and most efficient power usage. | 2010-01-21 |
20100013431 | Inductively Powered Sleeve For Mobile Electronic Device - There is disclosed a sleeve for holding a portable electronic device such as an MP3 player, mobile telephone, PDA and the like. The sleeve is provided with an integrally formed secondary winding that enables the sleeve to pick up magnetic flux from an inductive charging platform and associated circuitry for generating a DC charging voltage that can be used to charge a battery in the device while the device is received within the sleeve. The sleeve is formed with a connector designed to fit a power/data connection socket in the device, and may also be provided with a connection port enabling the device to be connected to a computer while it is received within the sleeve. | 2010-01-21 |
20100013432 | BATTERY CHARGER - A battery charger | 2010-01-21 |
20100013433 | VEHICLE CHARGING STATION HAVING A DUAL POSITION LOCKING DOOR - A vehicle charging station including a compartment having a door, a receptacle disposed within the interior of the compartment for receiving a charging cord from a vehicle, and a door mechanism. The door mechanism includes a first latch for locking and unlocking the door from a closed position. The first latch locks the door in the closed position without drawing power and keeps the door locked in the closed position if power is lost to the vehicle charging station. The door mechanism also includes a second latch for locking and unlocking the door in a second position such that the door is ajar allowing the cord to pass from the vehicle to the interior of the compartment. The second latch allows the door to open beyond its ajar position to allow the cord to be removed if power is lost to the vehicle charging station while the door is locked in the second position. | 2010-01-21 |
20100013434 | Charging station - The present application relates to a charging station operable in a charging cycle for charging an electric vehicle. The charging station has a key-activated controller for controlling the charging cycle. The application also relates to a key for operating the charging station. Furthermore, the application relates to a charging station having an interface for connecting the charging station to a data network. The application also relates to a charging station having a socket for receiving a plug and a key-operated locking mechanism for locking a plug in said socket. A frangible panel movable between an open position and a closed position may be provided. A processor may be provided for generating data to impose a financial charge on an individual for using the charging station. The application also relates to methods of operating a charging station including the steps of obtaining user identification data; supplying electricity to a charging socket; and generating data for levying a financial charge on the user. | 2010-01-21 |
20100013435 | Charging Station - A charging station for electric vehicles is disclosed. The charging station includes a charge device and a terminal. The terminal is used for monitoring and recording the charging status of the charge device. The charging station can rapidly charge electric vehicles just like gas stations for engine powered vehicles. | 2010-01-21 |
20100013436 | Street Light Mounted Network-Controlled Charge Transfer Device for Electric Vehicles - A network-controlled charge transfer device for transferring charge between a local power grid and an electric vehicle is mounted to a street light. The charge transfer device includes the following: an electrical receptacle to receive an electrical connector for connection to the electric vehicle; an electric power line that couples the power grid to the electrical receptacle through a wiring box; a control device to switch the receptacle on and off; a current measuring device to measure current flowing through the electric power line; and a controller to operate the control device and to monitor output from the current measuring device. | 2010-01-21 |
20100013437 | REDUNDANT BATTERY PROTECTION SYSTEM AND METHOD - An enhanced battery pack having an enhanced protection system addresses a potential weakness of the conventional protection system of a conventional battery pack. The enhanced protection system includes both the convention protection circuit and a redundant protection circuit. The redundant protection circuit is either a duplicate copy of the conventional protection circuit or is at least a functional equivalent of the conventional protection circuit. The components of the redundant protection circuit are electrically coupled into the enhanced battery pack in a parallel fashion with the corresponding components of the conventional protection circuit. Consequently, if one or more components of the conventional protection circuit fail due to defective conditions of the one or more components of the conventional protection circuit, the redundant protection circuit will still be operable to allow the enhanced battery pack to function while the enhanced protection system continues to protect the enhanced battery pack. | 2010-01-21 |
20100013438 | POWER PROCESSING SYSTEMS AND METHODS FOR USE IN PLUG-IN ELECTRIC VEHICLES - Embodiments include a power processing system and methods of its operation in a plug-in electric vehicle. The power processing system includes at least one AC electric motor, a bi-directional inverter system, and an electronic control system. The electronic control system provides a drive function by providing first control signals to the bi-directional inverter system which, in response, draws DC electrical power from a DC energy source, converts the DC power to AC power, and provides the AC power to windings of the at least one AC electric motor. The electronic control system also provides a charging function by providing second control signals to the bi-directional inverter system which, in response, draws AC power from the windings of the at least one AC electric motor, converts the AC power to DC power, and provides the DC power to the DC energy source in order to recharge the DC energy source. | 2010-01-21 |
20100013439 | System and Method for Applying Pulsation Energy to Online Battery Backup Systems - A method of applying pulsation energy to an online battery backup system including the steps of (1) sampling at least one voltage sampling circuit to monitor a float voltage drop across the terminals of each battery unit within a plurality of battery units; (2) selecting from among the plurality of battery units the unit having the greatest float voltage drop; (3) operating a pulse generation circuit to apply pulsation energy across the terminals of only the selected battery unit; and (4) ceasing to operate the pulse generation circuit in response to a predetermined trigger. A generally corresponding method may be performed on each battery cell within the plurality of battery units. Also, battery pulsation systems for an online battery backup system including means for applying pulsation energy across the terminals of only a selected battery unit or a selected battery cell. | 2010-01-21 |
20100013440 | Rechargeable Battery with Active Over-Temperature Protection and Related Method and Power Supply System - A rechargeable battery with active over-temperature protection includes an energy storage unit for storing energy provided by a recharging device, a temperature sensing unit coupled to the energy storage unit for sensing temperature of the energy storage unit in order to generate a temperature sensing signal, and an insertion status unit coupled to the temperature sensing unit for outputting an indication signal to the recharging device so as to control operations of the recharging device. | 2010-01-21 |
20100013441 | TEMPERATURE CONTROLLER - A temperature controller is provided, which comprises a control circuit. The temperature controller further comprises a charging circuit and a chargeable battery. The charging circuit functions to charge the chargeable battery and at the same time supply power to the control circuit. In the temperature controller according to the present invention, the chargeable battery is charged by an external power source, and the chargeable battery can be reused, thereby reducing cost of the temperature controller and environmental pollution caused by using alkaline batteries. | 2010-01-21 |
20100013442 | CHARGING SYSTEM, ELECTRONIC CIRCUIT DEVICE INCLUDING SECONDARY CELL, AND POWER SUPPLY DEVICE FOR CHARGING - Provided is a charging system wherein a voltage and a current can be accurately supplied from a power supply device even with a cable wiring resistance and a connector contact resistance, and the power supply device can be commonly used even for a plurality of kinds of electronic circuit devices whereupon different secondary cells are mounted. The charging system is provided with an electronic circuit device ( | 2010-01-21 |
20100013443 | REGULATION CONTROL FOR VARIABLE FREQUENCY GENERATORS - A variable frequency generator regulation control circuit and method for controlling open loop gain under changing generator speed conditions employing a high frequency pulse-width modulated signal with a duty cycle that is controlled such that variations in rectified PMG voltage and generator gain over the generator speed range can be compensated for. This signal is modulated by a low frequency pulse-width modulated signal provided by the generator regulator, using a logic gate to produce a combined signal representing an average voltage signal applied to a generator field winding as the generator speed fluctuates. | 2010-01-21 |
20100013444 | POWER CONVERTER - This invention relates to a power converter ( | 2010-01-21 |
20100013445 | COMPARATOR CONTROLLED CHARGE PUMP FOR NEGATIVE VOLTAGE BOOSTER - Charge pumps and methods for regulating charge pumps. The charge pump includes a voltage booster circuit and a voltage regulator circuit. The voltage booster circuit includes first and second input terminals that respectively receive a regulation voltage and an input voltage. The voltage booster circuit generates an output voltage having a polarity that is different from the input voltage. The output voltage is adjusted by the regulation voltage and provided to an output terminal. The voltage regulator circuit is coupled between the first input terminal and the output terminal of the voltage booster circuit. The voltage regulator circuit shifts the output voltage to a level shifted voltage and generates the regulation voltage responsive to the level shifted voltage. | 2010-01-21 |
20100013446 | METHOD FOR CONTROLLING THE SUPPLY VOLTAGE FOR AN INTEGRATED CIRCUIT AND AN APPARATUS WITH A VOLTAGE REGULATION MODULE AND AN INTEGRATED CIRCUIT - The present invention relates to a method for controlling the supply voltage for an integrated circuit, which is connected to a voltage regulation module via a sense line, a voltage supply line and a bus wherein the supply voltage is provided by the voltage regulation module ( | 2010-01-21 |
20100013447 | SWITCHING POWER SUPPLY CIRCUIT - A switching power supply circuit for generating an output voltage at an output node based on an input voltage at an input node includes a reference voltage generating circuit configured to generate a reference voltage such that during an initial start-up period of the reference voltage a voltage rise rate of the reference voltage within a first predetermined period from a start point of the initial start-up period and a voltage rise rate thereof within a second predetermined period immediately preceding an end point of the initial start-up period are smaller than a voltage rise rate thereof in a period between the first predetermined period and the second predetermined period, a coil disposed between the input output nodes, and a switch circuit configured to switch on and off to control current through the coil in response to comparison between the reference voltage and a voltage proportional to the output voltage. | 2010-01-21 |
20100013448 | SYSTEM INCLUDING AN OFFSET VOLTAGE ADJUSTED TO COMPENSATE FOR VARIATIONS IN A TRANSISTOR - A system including a first transistor, a first capacitor and a circuit. The first transistor has a first control input and is configured to regulate an output voltage. The first capacitor is coupled at one end to the first control input and at another end to a circuit reference. The circuit is configured to provide a first voltage to the first control input, where the first voltage includes an offset voltage that is referenced to the output voltage and adjusted to compensate for variations in the first transistor. | 2010-01-21 |
20100013449 | Regulator and semiconductor device - Disclosed is a regulator including: a differential amplifier having a differential input stage receiving a reference voltage and an output terminal voltage, a push-pull type output portion of a current mirror configuration, a drive transistor having a control terminal connected to an output portion of the differential amplifier, first and second transistors cascode-connected between a control terminal of the drive transistor and a power supply, and third and fourth transistors cascode-connected between the control terminal of the drive transistor and ground. Control terminals of the first and the third transistors are respectively connected to control terminals of the push-pull transistors, control terminals of the second and fourth transistors are respectively connected to a first and a second control signal. A voltage of the control terminal of the drive transistor is controlled, based on the first and the second control signals, by output of the differential amplifier and the first transistor, or by output of the differential amplifier and the third transistor. | 2010-01-21 |
20100013450 | POWER SUPPLY AND OVER VOLTAGE PROTECTION APPARATUS AND OVER VOLTAGE PROTECTION METHOD - A power supply, an over voltage protection (OVP) apparatus, and an OVP method are provided. The present invention employs the OVP apparatus for monitoring a core power. When a voltage level of the core power is higher than a reference voltage, the OVP apparatus disables a power supply unit. As such, the present invention is adapted for avoiding damage to a capacitor of a conversion unit or load caused by abnormal boost of the voltage level of the core power. | 2010-01-21 |
20100013451 | SEMICONDUCTOR DEVICE - A semiconductor device includes: a high-side switching element having a first switching element connected between an input voltage line and an inductive load; and a low-side switching element having a second switching element and a third switching element that are connected in parallel between the inductive load and a reference voltage line. A surge current is discharged through the third switching element to the reference voltage line when a surge is applied to a terminal connected to the inductive load in the low-side switching element. | 2010-01-21 |
20100013452 | METHODS AND APPARATUS FOR POWER SUPPLY LOAD DUMP COMPENSATION - Methods and apparatus for power supply load dump compensation according to various aspects of the present invention may operate in conjunction with a power stage system, such as a power stage system comprising a bootstrapped driver circuit and a power stage responsive to the driver circuit. The power stage system may further include a load dump compensation circuit connected to the driver circuit, wherein the load dump compensation circuit is configured to remove a bias current generated by the bootstrapped driver circuit. Various aspects of the present invention may be implemented in conjunction with any appropriate power supply, such as a switching regulator, for example a buck converter. | 2010-01-21 |
20100013453 | DC/DC CONVERTER, COMPUTER SYSTEM HAVING THE SAME, AND DC/DC CONVERSION METHOD - A computer system including the same, and a DC/DC conversion method. The DC/DC converter includes: a filter part receiving an input voltage and outputting an output voltage converted in level from the input voltage; a plurality of switching parts switching so that the input voltage is selectively supplied to the filter part, wherein the switching parts are connected in parallel to the filter part at a phase voltage terminal; and a controller sequentially controlling switching of the plurality of switching parts so that the output voltage reaches a predetermined target value. | 2010-01-21 |
20100013454 | CONTROLLABLE VOLTAGE REFERENCE DRIVER FOR A MEMORY SYSTEM - A voltage reference driver includes a voltage divider circuit with a voltage reference output node to output a voltage between a first voltage and a second voltage. The voltage reference driver also includes a first selectable impedance circuit coupled to a node at the first voltage and further coupled to the voltage reference output node, and a second selectable impedance circuit coupled to a node at the second voltage and further coupled to the voltage reference output node. Combinations of the first selectable impedance circuit and the second selectable impedance circuit are selectable such that a constant impedance is maintained at the voltage reference output node within a threshold value. | 2010-01-21 |
20100013455 | RF CIRCUIT ANALYSIS - An analysis circuit for analysing the RF response of an RF circuit, comprises a voltage controlled oscillator ( | 2010-01-21 |
20100013456 | Arrangement for Detecting Resonance Frequency Shifts - The present invention relates to an arrangement ( | 2010-01-21 |
20100013457 | Power Line Takeoff Clamp Assembly - In a power line takeoff clamp assembly and method of use thereof an electrical power distribution line is clamped to a body of the clamp assembly. A power takeoff supported by the body clamped to the power line generates direct current from alternating current flowing in the power line. One or more sensors supported by the body clamped to the power line sense one or more values related to an electrical current flowing in a power line. A wireless transceiver supported by the body clamped to the power line communicates data regarding the one or more sensed values. Each sensor and the wireless transceiver utilize direct current generated by the power takeoff for the operation thereof. | 2010-01-21 |
20100013458 | Semiconductor Device For Measuring Ultra Small Electrical Currents And Small Voltages - A semiconductor device for measuring ultra low currents down to the level of single electrons or low voltages comprises a first and a second voltage supply terminal, an input terminal for receiving an electrical current or being supplied with a voltage to be measured, a bipolar transistor having a base, an emitter and a collector, wherein a first PN junction is formed between the base and the collector and a second PN junction is formed between the base and the emitter, wherein the emitter is coupled to the input terminal and the base is coupled to the second voltage supply terminal, and wherein the first PN junction is designed for reverse biased operation as an avalanche diode, and a quenching and recharging circuit having a first terminal coupled to the first voltage supply terminal and a second terminal coupled to the collector of the bipolar transistors, the quenching and recharging circuit permitting operation of the first PN junction reverse biased above the breakdown voltage of the first PN junction. | 2010-01-21 |
20100013459 | CIRCUITS AND METHODS FOR HIGH-EFFICIENCY ON-CHIP POWER DETECTION - Power detector integrally formed within a printed transmission line to capacitively couple a portion of signal power propagating on the printed transmission line and a power detector circuit that receives coupled power output from the power detector to detect a power level of the signal power. The power detector is designed such that capacitance of the coupling capacitor is absorbed into a distributed capacitance of the transmission line to maintain continuity of a characteristic impedance of the transmission line. | 2010-01-21 |
20100013460 | Rogowski Sensor and Method for Measuring a Current - A Rogowski sensor is provided for measuring a current of an electrical conductor. The sensor has a Rogowski coil, which has an electrical winding resistor, and an integration device which is connected to the Rogowski coil and is intended to generate an output signal which is proportional to the electrical current to be measured by the Rogowski sensor. The integration device is formed by the winding resistor of the Rogowski coil and a capacitance which is connected to the two winding connections of the Rogowski coil, and for the output signal from the integration device to be formed by the voltage applied to the capacitance. | 2010-01-21 |
20100013461 | MAGNETIC BODY DETECTOR - To provide a magnetic body detector as a means for warning that a magnetic body enters into a room where a strong magnet, such as an MRI diagnostic system, is installed, wherein | 2010-01-21 |
20100013462 | INSTRUMENT FOR AUTOMATION WITH SINGLE-HANDED OPERATION - In a measuring device for automation technology with single-hand servicing, a housing closable with a lid is provided. Arranged at an edge of the lid is a movable ring element, which is mounted to be slightly shiftable parallel to the longitudinal axis of the lid and to be rotatable about the longitudinal axis of the lid. On the lid are sensors, which serve for registering rotary and linear movement of the ring element, via which a display unit is operated. | 2010-01-21 |
20100013463 | Rotation sensor - A rotation detecting sensor (A) is fixed to a sensor fixing member (7), through which it is fitted to a wheel support bearing assembly for detecting the rotation of a rotatable ring of the wheel support bearing assembly. A sensor unit (B) is made up of a sensor element ( | 2010-01-21 |
20100013464 | INDUCTIVE PROXIMITY SENSOR FOR EMBEDDED MOUNTING AND METHOD OF DESIGN - The invention relates to an inductive proximity sensor for embedding in a mild steel mounting plate, comprising an enclosure with a front wall of synthetic material forming a sensing face at a front end of the enclosure, an oscillator comprising a sensor coil with a core made of a material with a relative magnetic permeability larger than 1, typically a ferrite, which is arranged within the enclosure behind the front wall so that an open side of the core is directed towards the sensing face in order to direct the magnetic field of the coil towards a target in front of the sensing face, a hollow cylindrical metal member arranged perpendicular to the sensing face and surrounding the core, and a measuring circuit for measuring an attenuation of the oscillator due to eddy currents. The core is radially surrounded by a metal layer with a low electrical resistivity of less than 15 μΩ·cm and with a thickness of less than 40 μm, in order to improve the embeddability of the sensor. Alternatively, this thin metal layer may be omitted, if the electrical resistivity of the metal member is adjusted to a value in the range of 15 μΩ·cm-50 μΩ·cm. | 2010-01-21 |
20100013465 | FORCE MEASURING DEVICE AND METHOD FOR SIGNAL EVALUATION - A force measuring device is provided, which comprises a transducer device that has a plurality of magnets and generates a magnetic field, and a sensor device that is sensitive to a magnetic field and is arranged in a space in front of the transducer device, the transducer device and the sensor device being movable relative to each other under the action of a force, wherein the magnets of the transducer device are positioned in a quadrupole arrangement relative to the sensor device, and the sensor device comprises at least one first sensor element and one second sensor element, the first sensor element being associated with a first magnetic pole or a first pair of magnetic poles, and the second sensor element being associated with a second magnetic pole or a second pair of magnetic poles. | 2010-01-21 |
20100013466 | Magnetic angle sensor - In order to be able to measure over more than 360° with a magnetic angle sensor, it is proposed not to adjust the distance between the encoder magnet and the sensor element in addition to the rotation, e.g. by means of a thread, like in the prior art, but to maintain said distance constant, but instead to adjust a magnetic variator with respect to its axial distance from the sensor element, or also in transversal direction, which variator can be a flux conductor or also a secondary magnet. | 2010-01-21 |
20100013467 | ROTATION SENSOR - A rotation sensor includes a detecting portion, a rotational state determining portion and a pulse generating portion. The detecting portion detects a rotation of a rotational member and outputs a detection signal. The rotational state determining portion determines a rotational state of the rotational member on the basis of the detection signal in a predetermined period. The pulse generating portion generates and outputs a first pulse and a second pulse, of which waveforms differ from each other, in response to a rotational direction of the rotational member after the predetermined period. The pulse generating portion further generates and outputs a third pulse regardless of the rotational state of the rotational member in the predetermined period. | 2010-01-21 |
20100013468 | METHOD AND DEVICE FOR EDDY CURRENT IMAGING FOR THE DETECTION AND THE CHARACTERISATION OF DEFECTS HIDDEN IN COMPLEX STRUCTURES - This eddy current imaging method includes the steps of:
| 2010-01-21 |
20100013469 | Method and Device for Simultaneous Measurement of Magnetostriction and Magnetization - Since a measurement of a magnetostriction is accompanied by a measurement of a magnetization of a sample to be measured, the magnetostriction and the magnetization are measured by separately prepared devices, with efforts for observing the coextensive volumes of the sample. Measurements of the magnetostriction and the magnetization are difficult due to the difficulty of correction and calibration. The value of macroscopic external mode magnetostrictive coefficient cannot be correctly determined at low temperature regions. A convenient method which enables the measurement of the magnetostriction and the magnetization simultaneously at the coextensive volumes of the sample, is developed by combining the method of the measurement of the magnetostriction by an X-ray diffraction method an the method of the X-ray magnetic diffraction method. This method comprises the steps of measuring the relative diffraction intensity change (δ) at ascending magnetic field and the descending magnetic field respectively in the magnetic field at the coextensive volumes of the sample, obtaining asymmetry component δ | 2010-01-21 |
20100013470 | RESIDUAL MAGNETIC FLUX DETERMINING APPARATUS - A residual magnetic flux measurement apparatus measures residual magnetic fluxes by using a transformer-voltage measurement means for measuring transformer voltages; a voltage delay means for delaying the measured signals; a DC-voltage-component calculation means for calculating DC voltage components from the latest transformer-voltage signals for a predetermined time period based on calculation-control signals; a voltage integration means for calculating voltage-integration signals by performing voltage integration of signals obtained after separating the DC voltage components from present transformer-voltage signals; a magnetic-flux DC-component calculation means for calculating magnetic-flux DC-components from the latest voltage-integration signals for a predetermined time period based on the calculation-control signals; a magnetic flux calculation means for obtaining magnetic flux signals in which the magnetic-flux DC-components are separated from present voltage-integration signals; and a control means for obtaining residual magnetic fluxes based on contact signals, an interruption mode, the transformer-voltage signals, and the magnetic flux signals. | 2010-01-21 |
20100013471 | MR MAGNETOMETER WITH COMBINED FLIP COIL AND COMPENSATION COIL - Compensation coil functionality and flip coil functionality are combined into a single combination coil that is placed under an angle α with respect to the length direction of a magneto-resistive sensor element. The angle α substantially deviates from 0° and 90°. This configuration enables to reduce the width of the current line of the planar combination coil, to reduce the effective threshold for sensor element switching, and to include features to simplify a 2D sensor design. | 2010-01-21 |
20100013472 | METHOD AND APPARATUS FOR COIL ARRAY COMPRESSION - A method of processing magnetic resonance imaging signals from a plurality of receiver coils of a magnetic resonance imaging system, comprises the steps of receiving from said plurality of receiver coils a corresponding plurality of original signals in the time-domain forming an n-dimensional signal vector ν | 2010-01-21 |
20100013473 | MAGNET ARRANGEMENT AND METHOD FOR PROVIDING A MAGNETIC FIELD IN A SENSITIVE VOLUME - A magnet arrangement includes (a) a first and a second head ring magnet each having a substantially circular geometry with respect to a centre axis and (b) a central ring magnet having a substantially circular geometry with respect to a centre axis. The central ring magnet is disposed between the first and second head ring magnet in direction of the centre axis. At least one of the magnets includes a first number of first magnets having at least one trapezoidal cross section and a second number of second magnets having at least one rectangular cross section. The second magnets are disposed in between the first magnets in circumferential direction. With this geometrical arrangement, magnets having a trapezoidal cross section include a guidance for a magnet having a rectangular cross section allowing the movements in radial direction of these last magnets. | 2010-01-21 |
20100013474 | METHOD AND APPARATUS FOR PROVIDING A SENSITIVE VOLUME FOR SINGLE-SIDED NMR - An apparatus for providing a sensitive volume for single-sided NMR includes: (i) at least one first permanent magnet for providing a first magnetic field at the sensitive volume; and (ii) at least one of the following means for superimposing at least one second magnetic field for homogenizing the first magnetic field in the sensitive volume: (A) at least one shim magnet, (B) at least one pair of shim magnets, and (C) at least one electrical conductor being connectable to an electric current source. The at least one second magnetic field is adjusted such that the magnetic field homogeneity in the sensitive volume is corresponding to a line width of hydrogen (1H) of less than 10 ppm. | 2010-01-21 |
20100013475 | MAGNETIC RESONANCE IMAGING APPARATUS AND MAGNETIC RESONANCE IMAGING METHOD - A magnetic resonance imaging apparatus includes a data acquisition unit and an image data generating unit. The data acquisition unit acquires plural pieces of magnetic resonance data for generating plural species of image data of which contrasts are mutually different from a same object with mutually different data amounts by setting parameters for controlling the contrasts to mutually different values. The image data generating unit generates the plural species of the image data by image reconstruction processing and composition processing of the plural pieces of the magnetic resonance data or plural pieces of data derived from the plural pieces of the magnetic resonance data. | 2010-01-21 |
20100013476 | METHOD AND SYSTEM FOR COMPARING MICRO-ELECTRONIC DEVICES USING MAGNETIC RESONANCE IMAGING - A method of comparing micro-electronic devices. The method includes: placing a first micro-electronic device in a sample chamber of a magnetic resonance imaging machine, subjecting the first micro-electronic device to a magnetic field and a radio frequency pulse, turning off or adjusting the magnetic field and detecting a first returned RF pulse from the first micro-electronic device and storing first data relating to the first returned RF pulse; placing a second micro-electronic device in the sample chamber, subjecting the second micro-electronic device to the magnetic field and the radio frequency pulse, turning off or adjusting the magnetic field and detecting a second returned RF pulse from the second micro-electronic device and storing second data relating to the second returned RF pulse; and comparing the first data to the second data and determining if the second micro-electronic device is essentially identical to the first micro-electronic device based on the comparing. | 2010-01-21 |
20100013477 | SLICE SELECTIVE MRI EXCITATION WITH REDUCED POWER DEPOSITION USING MULTIPLE TRANSMIT CHANNELS - Described are embodiments for slice-selective excitation for MRI that utilize multiple RF transmit coils, each of which are driven with a separate independent current waveform. These embodiments allow slice-selective excitation with slice profile and excitation time similar to other single-channel excitation, but with reduction in SAR caused by the transverse component of the RF field by a factor up to the number of excitation coils. | 2010-01-21 |
20100013478 | MAGNETIC RESONANCE IMAGING DEVICE - A magnetic resonance imaging device includes magnetic field generating means and control means for controlling receiving means according to a predetermined pulse sequence, the predetermined pulse sequence including an unnecessary material suppressing sequence unit for canceling a signal from an unnecessary material which is not a measurement target and a main imaging sequence unit for measuring a nuclear magnetic resonance signal used to create an image of an examinee. The unnecessary material suppressing sequence unit generates at least two or more high frequency magnetic field pulses so that the longitudinal magnetization of the unnecessary material is made spatially uniform in the imaging space under application of a first high frequency magnetic field pulse in the main imaging sequence unit. The magnetic resonance imaging device further includes adjusting means for adjusting the flip angles of the two or more high frequency magnetic field pulses, and the control means applies the two or more high frequency magnetic field pulses at the flip angles adjusted by the adjusting means. | 2010-01-21 |
20100013479 | METHOD AND MAGNETIC RESONANCE SYSTEM TO EXCITE NUCLEAR SPINS IN A SUBJECT - In a method and system to generate an excitation in an examination subject to acquire magnetic resonance signals from a region of the examination subject, basic magnetic field is generated, an adiabatic half-passage (AHP) pulse is radiated to generate a transverse magnetization in the subject, and at least one first and one second adiabatic full-passage (AFP) pulse is radiated to generate a slice-selective rephasing of the transverse magnetization. The time interval between the first adiabatic half-passage pulse and the first adiabatic full-passage pulse is at least 37 ms, and the time interval between the first adiabatic full-passage pulse and the second adiabatic full-passage pulse is at least 75 ms. | 2010-01-21 |
20100013480 | NUCLEAR MAGNETIC RESONANCE IMAGING DEVICE, AND IMAGING SYSTEM AND IMAGING METHOD USING THE SAME - A nuclear magnetic resonance imaging device | 2010-01-21 |
20100013481 | MAGNETIC RESONANCE IMAGING APPARATUS AND MAGNETIC RESONANCE SPECTROSCOPIC IMAGE COMPUTING METHOD - An object of the invention is to obtain a magnetic resonance spectroscopic image to which the MAC summation is applied with high accuracy and in short time, even though a phase characteristic distribution of the MAC has a spatial non-uniformity, in the MRSI measurement using a magnetic resonance imaging apparatus provided with a MAC. | 2010-01-21 |