48th week of 2008 patent applcation highlights part 18 |
Patent application number | Title | Published |
20080290774 | Enjection device with slipping clutch - Ejection device for a furniture part mounted movably in or on a furniture body, with an ejector, with a drive unit and a friction clutch, wherein the friction clutch is designed in such a manner that it decouples the drive unit and the ejector from each other when a predetermined torque is exceeded, wherein the friction clutch ( | 2008-11-27 |
20080290775 | REFRIGERATOR - The refrigerator according to preferred embodiments of the present invention includes a main body in which storage space is formed; a door pivotably mounted at a front of the main body; a hinge member connecting the main body with the door; and a receiving member which is mounted at an upper surface of the main body and accommodates a lead wire extended from at least one of the main body and door. | 2008-11-27 |
20080290776 | Composition Comprising Choline Hydroxide and Process for Preparing the Same - The subject of the present invention is a lamp-ballast-system ( | 2008-11-27 |
20080290777 | ELECTRON EMITTER STRUCTURE AND ASSOCIATED METHOD OF PRODUCING FIELD EMISSION DISPLAYS - A method of forming an electron emitter structure for use in a field emission display, or as a field emission backlight for an LCD display is provided. The electron emitter structure is formed by depositing mask elements onto an laminar Al substrate, and etching the Al substrate chemically through gaps between the mask elements, such that a spikes are formed on the substrate. These spikes are then covered with an electron emitter material. The spikes can be formed with a desired pitch/height ratio. | 2008-11-27 |
20080290778 | Fluorescent Lamp, Back Light Unit, And Method Of Manufacturing The Fluorescent Lamp - A fluorescent lamp including a curved glass bulb that has a layer including a phosphor layer on an inner surface, mercury and a rare gas enclosed inside, and a pair of electrodes at both ends, and when a tube inner diameter (mm) of the glass bulb is plotted on a horizontal axis of an orthogonal coordinate system and a total amount of CO | 2008-11-27 |
20080290779 | FLUORESCENT LAMP - A fluorescent lamp includes: a UV light-generating unit including a lamp seat, a lamp vessel sealed hermetically to the lamp seat, and a luminous gas contained sealingly in the lamp vessel for generating UV light when excited; and an outer vessel mounted detachably on the lamp seat, enclosing the lamp vessel, and having an inner surface coated with a UV-converting material. | 2008-11-27 |
20080290780 | IMAGE DISPLAY APPARATUS - A carbon film is coated over the surface of a spacer. The carbon film has the following three features when the binding state of carbon is analyzed by X-ray photoelectron spectroscopy: (a) an integral area of a region of 284.5 eV or below is 27% or less of an integral area attributed to carbon, (b) an integral area of a region of 286.0 eV-287.0 eV is 18% or less thereof, and (c) an integral area of a region of 287.0 eV or above is 9% or more thereof. | 2008-11-27 |
20080290781 | Emissive Display Apparatus - There is disclosed a display apparatus using a long-lived MIM electron source that is excellent in grayscale controllability. In a device including an MIM dielectric layer having a film thickness of 9.6 nm, the diode current Id rises exponentially from around 4.8 V together with the voltage. The emission current Ie rises exponentially from 4.7 V. That is, VthIe2008-11-27 | |
20080290782 | Field emission display having an improved emitter structure - A field emission display (FED) is provided. The FED has an emitter structure where the emitter, a conductor and a cathode electrode are so arranged to produce a certain electric field about the emitter. The electric field about the emitter causes the electron beam emitted from the emitter to have improved focus and have less dispersion. This causes the electron beam to hit the intended pixel without exciting phosphor layers in neighboring pixels, thus improving image quality. | 2008-11-27 |
20080290783 | SELF-ASSEMBLED MONOLAYER FOR TUNING THE WORK FUNCTION OF METAL ELECTRODES - The present invention discloses a self-assembled monolayer with a general formula G | 2008-11-27 |
20080290784 | DISPLAY PANEL - The present invention discloses a display panel | 2008-11-27 |
20080290785 | Light Emitting Device with an Improved Caalsin Light Converting Material - Light emitting device with a light source to emit primary light and a light conversion layer to convert at least a part of the primary light into secondary light comprising a CaAlSiN light converting material with a transmissivity of >10% to ≦80% for a light in the wavelength range from >580 to ≦lOOOnm. | 2008-11-27 |
20080290786 | Light Emitting Device, and Lighting System, Image Display Using the Same - To enhance luminance and color rendering of a light emitting device comprising phosphors as wavelength converting material and at least one semiconductor light emitting device that emits visible light, as said phosphors, are used phosphors which are one or more kinds of phosphors selected from a group consisting of oxides, oxynitrides and nitrides, and are a mixture consisting of two or more kinds of phosphors whose luminous efficiency is 35% or higher when excited by the visible light from said semiconductor light emitting device at room temperature. In addition, said mixture contains a first phosphor, and a second phosphor that is different from said first phosphor and capable of absorbing emitted light from said first phosphor, and said first phosphor is contained 85 weight % or more of said mixture of phosphors. | 2008-11-27 |
20080290787 | DEVICE AND METHOD FOR IMPROVED POWER DISTRIBUTION FOR A TRANSPARENT ELECTRODE - A method for improving power distribution of a transparent electrode that includes forming an LED over a substrate; the LED including a first electrode, a transparent electrode, and one or more light-emissive layers formed there-between. A patterned protective layer is formed on the transparent electrode; the patterned protective layer having open areas wherein the protective layer is not present, and covered areas wherein the protective layer is present. A solution having curable conductive precursor components is deposited over the open areas onto the transparent electrode. The precursor components of the solution are pattern-wise cured to form patterned electrically conductive areas on the transparent electrode in the open areas, and any uncured precursor components of the solution are removed. | 2008-11-27 |
20080290788 | Organic el Devices - The present organic EL devices have at least one luminescent layer and a cathode sequentially provided on their anode, which luminescent layer contains an electron-transporting material, a hole-transporting material, and a luminescent dopant. Preferably, an electron-transporting layer is further provided between the luminescent layer and the cathode. According to the present invention, organic EL devices can be provided giving improved whiteness, colour reproducibility, luminescent efficiency, and lifetime compared to conventional ones. | 2008-11-27 |
20080290789 | ORGANIC EL DISPLAY DEVICE - In an organic EL display device comprising a substrate, a plurality of pixel regions in each of which a first electrode, a light emitting material layer, and a second electrode are laminated in this order above the substrate, and a bank film formed above the substrate to separate respective one of the pixel regions from another of the pixel regions adjacent thereto, wherein the bank film has a plurality of openings exposing upper surfaces of the first electrodes to the light emitting material layers in the respective pixel regions, and the second electrode is formed over the a plurality of openings of the bank film in common with the pixel regions, the present invention forms the bank film of an inorganic material and shapes a side wall thereof lying around each of the openings thereof to be sloped at an angle less than 85 degrees (°) with respect to a principal surface of the substrate in order to prevent the deterioration of the light emitting material layer and disconnection of the second electrode at steps of bank film lying in the vicinity of the openings thereof. | 2008-11-27 |
20080290790 | Organic light emitting display apparatus and method of fabricating the same - An organic light emitting display device and method of making thereof where a black matrix element is not separately formed and where the occurrence of defects caused by separately forming the black matrix element is prevented. The organic light emitting display includes a pixel electrode; and a pixel defining layer having an opening which either entirely exposes the pixel electrode or exposes only a central portion of the pixel electrode, wherein the pixel defining layer has a multi-layered structure at a end surface of the opening of the pixel defining layer. | 2008-11-27 |
20080290791 | WHITE LIGHT-EMITTING ORGANIC LIGHT EMITTING DIODE, METHOD OF PREPARING THE SAME AND DEPOSITION DEVICE FOR IN-LINE DEPOSITION SYSTEM - A white light-emitting organic light emitting diode includes; a substrate, a first electrode disposed on the substrate, a second electrode disposed on the substrate and facing the first electrode, and an organic layer disposed between the first electrode and the second electrode, the organic layer including an emissive layer including a first emissive layer having a first light emitting material (“LEM”), a second emissive layer having a second LEM, a third emissive layer having a third LEM, a first mixed interface layer including at least a part of the first LEM and at least a part of the second LEM, and a second mixed interface layer including at least a part of the second LEM and at least a part of the third LEM, the first and the second mixed interface layers being interposed between the first and second emissive layers and the second and the third emissive layers, respectively. | 2008-11-27 |
20080290792 | LIGHT EMITTING MATERIAL AND ORGANIC LIGHT-EMITTING DEVICE - A polymer light emitting material, wherein the material has a light emitting mechanism based on transition from an excited triplet state to a ground state or transition through an excited triplet state to a ground state of an electron energy level, and the material comprises a nonionic light emitting part which constitutes a part of the polymer or is bound to the polymer. The polymer light emitting material exhibits high light emission efficiency above 5%, which is the limit of external quantum efficiency of fluorescence and can be designed so as to have a large area and hence are suitable for mass production of organic light emitting devices. | 2008-11-27 |
20080290793 | LIGHT EMITTING MATERIAL AND ORGANIC LIGHT-EMITTING DEVICE - A polymer light emitting material, wherein the material has a light emitting mechanism based on transition from an excited triplet state to a ground state or transition through an excited triplet state to a ground state of an electron energy level, and the material comprises a nonionic light emitting part which constitutes a part of the polymer or is bound to the polymer. The polymer light emitting material exhibits high light emission efficiency above 5%, which is the limit of external quantum efficiency of fluorescence and can be designed so as to have a large area and hence are suitable for mass production of organic light emitting devices. | 2008-11-27 |
20080290794 | COLOR IMAGE DISPLAY PANEL AND METHOD OF PRODUCING THE SAME, AND COLOR IMAGE DISPLAY APPARATUS - There is provided an organic electroluminescence type two-dimensional color image display panel includes multiple arrayed pixels, the pixels being each formed by arranging organic EL devices having at least red, green, and blue luminescent colors in a certain order, in which each of the organic EL devices has a pair of two parallel sides in a planar shape, the organic EL devices having luminescent colors different from each other are adjacent to each other at the two parallel sides, and the organic EL devices having the same luminescent color are adjacent to each other in a parallel line direction of the two parallel sides, and are arrayed to be of shape of stripes arranged parallel to each other while being slanted with respect to a vertical line. | 2008-11-27 |
20080290795 | ORGANIC ELECTROLUMINESCENCE DEVICE - Provided is an organic electroluminescence device in which a reduction in luminance is suppressed and a lifetime is significantly improved. The object is achieved by an organic electroluminescence device having organic compound layers including an organic emitting layer, which is interposed between at least one pair of electrodes, in which the organic emitting layer is formed of an organic compound material containing an impurity composed of a hydroxyl group-containing compound at a concentration of less than 0.15% by mass, and a method of selecting an organic compound material for the organic electroluminescence device, the method including: determining the content of the impurity; and selecting an organic compound material in which the content is less than 0.15% by mass so that the material is used for forming the organic emitting layer. Provided are a coating film-forming ink, a method of forming a thin film, and a method of producing an organic electroluminescence device. | 2008-11-27 |
20080290796 | System for displaying images including active-matrix organic light emission display - A system for displaying images is provided, including an active-matrix organic light emission display. The active-matrix organic light emission display comprises an active-matrix array on a display area of an array substrate, a peripheral circuit on a peripheral area of the array substrate, a reflective layer on the peripheral area of the array substrate, between a light emission plane and the peripheral circuit and covering the peripheral circuit, an organic light emission layer on the active-matrix array and a cover layer over the organic light emission layer, covering the display area and the peripheral area. | 2008-11-27 |
20080290797 | Photosensitive semiconductor nanocrystals, photosensitive composition comprising semiconductor nanocrystals and method for forming semiconductor nanocrystal pattern using the same - An organic-inorganic hybrid electroluminescent device having a semiconductor nanocrystal pattern prepared by producing a semiconductor nanocrystal film using semiconductor nanocrystals, where the nanocrystal is surface-coordinated with a compound containing a photosensitive functional group, exposing the film through a mask and developing the exposed film | 2008-11-27 |
20080290798 | LLT barrier layer for top emission display device, method and apparatus - A method is disclosed for inhibiting oxygen and moisture penetration of a top emission device comprising the steps of depositing a low liquidus temperature (LLT) inorganic material on at least a portion of the top emission device to create a deposited LLT material, and optionally heat treating the deposited LLT material in a substantially oxygen and moisture free environment to form a LLT barrier layer, and optionally placing a cover glass over the LLT barrier layer. A top emission display device is also disclosed comprising a substrate, at least one electronic or optoelectronic layer, and a LLT barrier layer, wherein the electronic or optoelectronic layer is hermetically sealed between the LLT barrier layer and the substrate and an optional cover glass over the LLT barrier layer. | 2008-11-27 |
20080290799 | AC-EXCITED MICROCAVITY DISCHARGE DEVICE AND METHOD - A method for fabricating microcavity discharge devices and arrays of devices. The devices are fabricated by layering a dielectric on a first conducting layer. A second conducting layer or structure is overlaid on the dielectric layer. In some devices, a microcavity is created that penetrates the second conducting layer or structure and the dielectric layer. In other devices, the microcavity penetrates to the first conducting layer. The second conducting layer or structure together with the inside face of the microcavity is overlaid with a second dielectric layer. The microcavities are then filled with a discharge gas. When a time-varying potential of the appropriate magnitude is applied between the conductors, a microplasma discharge is generated in the microcavity. These devices can exhibit extended lifetimes since the conductors are encapsulated, shielding the conductors from degradation due to exposure to the plasma. Some of the devices are flexible and the dielectric can be chosen to act as a mirror. | 2008-11-27 |
20080290800 | FRONT PANEL FOR PLASMA DISPLAY PANEL AND METHOD FOR PRODUCING THE SAME, AND PLASMA DISPLAY PANEL - The present invention provides a front panel for a plasma display panel which can suppress the incidence of chipping of the barrier rib of a rear panel for a PDP, can enhance the stability of initial electron emission in a dielectric layer, and can reduce a voltage required for maintaining a wall charge. The front panel for a plasma display panel includes a substrate, a plurality of electrodes formed on the substrate, a dielectric layer formed to cover the respective electrodes and the substrate, a dielectric-protection layer formed to cover the dielectric layer, and powder components dispersed on the dielectric-protection layer, wherein an annealed layer having a thickness of 10 to 300 nm is formed on at least the exposed surface of each of the powder components, wherein said exposed surface does not contact the dielectric-protection layer. | 2008-11-27 |
20080290801 | Metal Halide Lamp, Metal Halide Lamp Lighting Device and Headlight - There are provided a mercury-free metal halide lamp which is improved in light flux rising immediately after starting, more practical and suitable for a headlight, and a metal halide lamp lighting device and a headlight using this. The metal halide lamp according to the present invention comprises: a translucent air-tight container having an inner volume which is not grater than 0.1 cc, including an enclosure portion forming an inner space having a flat surface on a bottom surface, and having a ratio D/L satisfying the following expression: 0.25 ≦ D/L ≦ 0.43 where D is a distance between the bottom surface and a top surface of the inner space at a central portion in a tube-axis direction, and L is a length of the enclosure portion; a pair of electrodes sealed facing each other with an inter-electrode distance which is not greater than 5 mm; and a discharging medium containing a plurality of metal halogen compounds selected from a group of Sc, Na, In, Zn and a rare-earth metal and a rare gas but intrinsically not containing mercury (Hg), wherein a lamp power per unit inner surface area of the air-tight container is not smaller than 60 (W/cm | 2008-11-27 |
20080290802 | Relay assembly for fog lights - A relay assembly for a fog light is disclosed which comprises a relay housing having a first terminal adapted to being connected to a switch for operating another light and operation of the switch for illuminating a fog light. | 2008-11-27 |
20080290803 | System and method for ambient-light adaptive intensity control for an electronic display - The techniques of the present invention relate to automatically controlling display intensity. The present invention includes a calibration step in which the display intensity settings are correlated to the ambient light intensity conditions. The present invention also includes an automatic adjustment step in which the ambient light intensity is measured and the display intensity is automatically adjusted according to a correlation defined in the calibration step. | 2008-11-27 |
20080290804 | Temperature dependant LED current controller - The present invention provides a controller for regulating current in LEDs in electronic displays. The controller uses temperature sensing diodes to detect changes in the LED ambient temperature. As the LED ambient temperature changes, the forward voltage of the temperature sensing diode decreases. A signal processor adjusts the current passing through the LEDs based on the temperature induced changes in the forward voltage of the temperature sensing diodes. The present invention can reduce costs over the present methods of regulating current in LEDs and may more easily be integrated into a single integrated circuit chip. The temperature sensing may also be implemented outside the integrated circuit chip. | 2008-11-27 |
20080290805 | DISPLAY DEVICE AND ITS DRIVING METHOD - A display panel ( | 2008-11-27 |
20080290806 | Cathode potential control device, self-luminous display device, electronic equipment and cathode potential control method - Disclosed herein is a cathode potential control device for controlling a common cathode potential applied to a self-luminous display panel adapted to drive and control the light emission status of each of the pixels by active matrix driving, the cathode potential control device including: a cathode potential determination section adapted to read a cathode potential level from a table memory according to a current panel temperature, the cathode potential level being associated with a panel temperature so as to cancel the temperature dependent characteristic of a voltage which develops between anode and cathode electrodes of a self-luminous element during light emission, the level causing a drive transistor of the self-luminous element to operate in the saturation region; and a cathode potential application section adapted to develop a cathode potential associated with the determined cathode potential level and supply the potential to a common cathode electrode of the self-luminous display panel. | 2008-11-27 |
20080290807 | Electro-optical device, matrix substrate, and electronic apparatus - To provide a wiring layout of electric power lines, which improves the aperture ratio of the pixel while forming pixels with the same pixel pitch. An electric-optical apparatus according to the present invention comprises multiple pixels ( | 2008-11-27 |
20080290808 | POWER SUPPLY APPARATUS FOR ARC-GENERATING LOAD - An output of a rectifying circuit ( | 2008-11-27 |
20080290809 | CONTROL CIRCUIT OF A DRIVING CIRCUIT OF A DISCHARGE LAMP - A control circuit controls a driving circuit of a discharge lamp. The driving circuit comprises a half bridge and a clock generator that determines the switching frequency of the half bridge. The control circuit comprises a regulator that regulates the value of the switching frequency when the value of the voltage across the lamp exceeds a threshold value. | 2008-11-27 |
20080290810 | DISCHARGE LAMP CONTROLS - At least one electric discharge lamp capable of generating a broadband output pulse of a range of wavelengths in the visible spectrum, the output pulse having a predetermined time interval and a predetermined total electrical energy input for the pulse, has a drive circuit for delivering energy pulses to the electrical discharge lamp, as well as a sensor for sensing an optical output from the discharge lamp; and a control mechanism for operating the drive circuit in response to variations in optical output detected by the sensor. | 2008-11-27 |
20080290811 | POWER SOURCE UNIT FOR DISCHARGE LAMP AND METHOD OF CONTROLLING THE SAME - A switching element is switched at a high frequency in accordance with control by a pulse generating circuit by using a D.C. power source portion as a power source, which results in that a discharge lamp is driven with a D.C. current through a smoothing circuit. A current detecting resistor detects the lamp current caused to flow through the discharge lamp, a current controlling circuit amplifies a deviation between the detected lamp current value and a preset current reference value, and the resulting value is applied to a feedback terminal (F/B) of the pulse generating circuit through a gain setting circuit. A gain changing circuit changes a loop gain of a feedback control system including the switching element, the smoothing circuit, the discharge lamp, and the pulse generating circuit at an output point of the gain setting circuit in correspondence to a fluctuation in a power source voltage (V | 2008-11-27 |
20080290812 | Transformer Driver and Transformer Driving Method - A transformer driver capable of making a load current constant with a simple configuration is provided. A driver | 2008-11-27 |
20080290813 | Electronically controlling acoustic energy from piezoelectric transformers - A power-supply circuit is described. In particular, the power-supply circuit includes an input node configured to receive a power-supply signal, an output node configured to output a modulated power-supply signal, and a modulation mechanism coupled between the input node and the output node. This modulation mechanism is configured to modulate the power-supply signal to produce the modulated power-supply signal. Furthermore, the modulation mechanism may be configured to modulate the power-supply signal using both a first modulation and a second modulation. This first modulation is a duty-cycle modulation which controls the power output of the piezoelectric transformer signal, and the second modulation spreads harmonic energy associated with the first modulation over a range of frequencies. By spreading the harmonic energy, the perceived acoustical noise generated by the piezoelectric transformer is reduced. | 2008-11-27 |
20080290814 | Power Controls for Tube Mounted Leds With Ballast - A power saving device for a light emitting diode (LED) lamp mounted to an existing fixture for a fluorescent lamp having a ballast assembly and LEDs positioned within a tube and electrical power delivered from the ballast assembly to the LEDs. The LED lamp includes means for controlling the delivery of the electrical power from the ballast assembly to the LEDs wherein the use of electrical power can be reduced or eliminated automatically during periods of non-use. Such means for controlling can include an on-off switch mounted in the tube or can also include a current driver dimmer mounted in the tube that regulates the amount of power delivered to the LEDs. A computer or logic arrays control the dimmer or power switch. A sensor such as an occupancy motion detection sensor mounted external to the tube or within the tube can send signals to the computer or logic array to trigger a switch or control a dimmer. Two or more such LED lamps with one or more computers or logic arrays in network communication with sensors can be controlled, so as to reduce flickering between lamps when illumination areas are being alternately occupied. Preset or manually set timers can control switches or be used in combination with the computer, logic array, and dimmer. | 2008-11-27 |
20080290815 | LIGHT SOURCE DRIVER - Provided is a light source driver which drives a light source including a switch unit which selects a light source; a chopper circuit which supplies power from an inductor to a light emitting diode (LED) via a diode in an on-state of a field effect transistor (FET), where the power accumulates in the inductor in the on-state of the FET; an oscillator which outputs a signal such that power is supplied to the LED through the chopper circuit, wherein the power changes according to the inductance of the inductor and the load capacity of the LED selected; and a chopper circuit driving unit which operates the FET in response to a signal whose duty ratio is the same as that used to supply power to the selected LED according to the load capacity of the LED and whose switching frequency is the same as a signal output from the oscillator. | 2008-11-27 |
20080290816 | Aquarium lighting device - An aquarium lighting device includes an illumination unit and a control unit. The illumination unit has a plurality of light-emitting diodes (LEDs). The LEDs are disposed adjacent to each other and emit different colors of light. The control unit is electrically connected with the LEDs to control the LEDs. | 2008-11-27 |
20080290817 | LED Indicator Device for AC Power Plug or Socket - An LED indicator device is mounted in an AC power plug or socket and electrically connected in parallel with an AC power source. The LED indicator device includes a driving/current-limiting circuit to which an LED lighting circuit is coupled. The driving/current-limiting circuit includes a driving/current-limiting capacitor and a discharge resistor connected in parallel with the driving/current-limiting capacitor. The LED lighting circuit includes an LED, a protective instantaneous current-limiting resistor coupled to the LED, a rectifying diode connected in parallel with the LED, and a protective instantaneous voltage-limiting capacitor connected in parallel with the LED. The LED is lit to show the position and on/off state of the AC power plug or socket. Three LEDs emitting different colors and associated driving/current-limiting circuits and associated LED lighting circuits can be utilized to indicate incorrect power connection or short circuit of the AC power plug or socket. | 2008-11-27 |
20080290818 | Method, System and Remote Control for Controlling the Settings of Each of a Multitude of Spotlights - Method for controlling the settings of each of a multitude of spotlights, such as light intensity, colour and light beam direction, wherein a remote control is used for sending control signals to a control system comprising a multitude of control units for changing the settings of said multitude of spotlights to desired values, which control units are each associated with one of said multitude of spotlights, wherein said control units can change the settings of their associated spotlights to the desired values, wherein each of said multitude of spotlights is radiating a unique light signal which is superimposed on its light beam, wherein the remote control comprises a sensor for determining said unique light signal, wherein the remote control sends with said control signal a spotlight identifying signal associated with the determined unique light signal as determined at the time that the remote control is used, and wherein the control unit associated with said spotlight identifying signal reacts to the combined spotlight identifying signal and control signal by changing its associated spotlight's settings to the desired values. | 2008-11-27 |
20080290819 | LIGHT-EMITTING DEVICE DRIVER CIRCUITS AND RELATED APPLICATIONS - Driver circuits for light-emitting devices (e.g., light-emitting diodes), as well as systems and methods associated therewith are provided. | 2008-11-27 |
20080290820 | LIGHT EMITTING DEVICE AND FABRICATION METHOD THEREOF AND LIGHT EMITTING SYSTEM USING THE SAME - A light emitting device comprises a light emitting element having a first electrode and a second electrode, and a semiconductor member having a cavity in a principal surface thereof, inside which the light emitting element is mounted, and electrically connected to the light emitting element, wherein the semiconductor member is constructed as a voltage regulating diode for stabilizing a voltage supplied from the exterior. As a result, the light emitting element can be protected from a static electricity or a surge voltage flowed therein from the exterior, the entire size of the system can be remarkably reduced so as to simplify a structure thereof, and heat generated from the system can be effectively discharged to the exterior. In addition, by providing a reflection portion in the cavity, light emitted from the light emitting element can be efficiently condensed. | 2008-11-27 |
20080290821 | Electric Circuit for Individually Controlling Light-Emitting Elements and Optoelectronic Device - The present invention relates to an electric circuit. The electric circuit comprises at least six light-emitting elements and at least three switching networks for individually controlling the light-emitting elements. Each switching network is connected with at least four light-emitting elements. The at least three switching networks are connected with each other by parallel connections of respective two of the at least six light-emitting elements. The respective two light-emitting elements have opposite current blocking directions. | 2008-11-27 |
20080290822 | ITEM AND METHOD FOR WIRELESSLY POWERING THE ITEM - A method and an apparatus according to an embodiment include a member, a first elongate member, and a second elongate member. Each of the first elongate member and the second elongate member are coupled to the member. A receiver configured to convert an electromagnetic wave to a DC power is disposed on the member. A first light-emitting device and a second light-emitting device are disposed on the first elongate member and on the second elongate member, respectively. Each of the light-emitting devices is configured to operate based on the DC power from the receiver. In another embodiment, a second receiver configured to convert an electromagnetic wave to a DC power can be disposed on one of the elongate members. In such embodiment, the light-emitting devices are configured to operate based on the DC power from the first and second receivers. | 2008-11-27 |
20080290823 | Method of Controlling a Roller Blind Actuator - A method of controlling an electromechanical actuator (ACT) comprising a motor (MOT) for maneuvering a mobile appliance (LD) of a building in a first direction (DIR | 2008-11-27 |
20080290824 | APPARATUS AND METHOD FOR CONTROLLING OPERATION OF MOTOR - An apparatus for controlling a motor includes an inverter to convert a DC voltage into an AC voltage, a power selecting circuit to select external power or power from the inverter, and a controller to control operation of the power selecting circuit according to a load of the motor. | 2008-11-27 |
20080290825 | POWER ARCHITECTURE AND BRAKING CIRCUITS FOR DC MOTOR-PROPELLED VEHICLE - A dynamic braking circuit that can be operated with stability over both high and low speed regimes. This circuit has the advantage of using fewer components than previous circuits. In addition, when in braking mode, the armature and field currents tend to oppose each other across the main braking switch hence reducing electromechanical stresses when in high current regime. According to a second embodiment, a dynamic braking circuit implements a “soft” extended braking function with the capability of providing a smoother braking action at high braking effort at little extra cost resulting from the replacement of a contactor by a reverser. The main advantages of this preferred embodiment are that the current generated by the armatures during braking can be controlled independently from the excitation of the field windings at low speeds and that it enables simultaneous self supply, regeneration and dynamic braking. | 2008-11-27 |
20080290826 | Motor Controller - A motor controller stores values corresponding to predetermined equivalent resistance which corresponds to power loss generated by switching on and off switching elements. Voltage command values are determined by adding voltage drop values determined from values corresponding to the equivalent resistance and values of current flowing in the switching elements to target applied voltage values corresponding to current command values which correspond to target output of a motor. The switching elements arranged in a power supply line to the motor are switched on and off by control signals generated according to the voltage command values. | 2008-11-27 |
20080290827 | Motor control apparatus and motor control method - Size and weight reduction of a motor-driven vehicle, robot or the like is achieved. A current command Iref from a speed feedback gain is supplied to each of circuits with coefficients of sin(θm), sin(θm+2π/3) and sin(θm−2π/3) to generate three-phase signals. The three-phase signals are respectively supplied to current control gains through adder-subtracters. Further, signals from motor constants are added together by an adder to produce motor torque. Furthermore, coil voltages output from adders pass through diodes and are then added together by an adder, and the signal is supplied to a regenerative voltage determiner. When a regenerative voltage becomes excessive, in-phase current Idc is supplied through a regeneration control gain to adder-subtracters. | 2008-11-27 |
20080290828 | SYSTEM AND METHOD FOR DETECTING A STALLED MOTOR - A system for detecting when a motor is stalled. The system including a voltage driving circuit and a voltage sensing circuit. The voltage driving circuit providing a driving signal to the motor through a connection node. The voltage driver circuit being configured to disconnect from the connection node while the voltage sensing circuit determines if the motor is stalled. A voltage sensing circuit determines if the motor is stalled based on a generated voltage that occurs if the motor is not obstructed and continues to spin when the voltage driver circuit is disconnected. | 2008-11-27 |
20080290829 | MOTOR CONTROLLER AND ELECTRIC POWER STEERING APPARATUS - In a motor controller, if a failed electric current flow in any one of phases of a motor is detected, a motor control signal is generated, based on a phase other than the phase with the failed electric current flow, in such a manner that a motor electric current matches a required torque except for at a specific rotation angle corresponding to the phase with the failed electric current flow. | 2008-11-27 |
20080290830 | Stepping motor driving device, sheet processing device, and image processing apparatus - A stepping motor driving device drives a stepping motor according to a drive pulse of a step signal. A phase matching unit matches, at a time when there is a possibility that a rotor and a phase signal are out of phase with each other, phases of the rotor and the phase signal by applying at least one drive pulse after energizing the stepping motor for a predetermined time and applying a phase signal having a predetermined duration for a final pulse. | 2008-11-27 |
20080290831 | FUEL CELL SYSTEM COMPRISING BATTERY AND METHOD OF CONSUMING RESIDUAL FUEL IN THE FUEL CELL SYSTEM - A fuel cell system having a back-up battery and a method of consuming residual fuel in the fuel cell system in which the fuel cell system includes a fuel cell, a system controller, a back-up battery, a converter, a fuel supply control, and a driver to drive the fuel supply control, and a charger disposed between the converter and a load. A power output end of the charger is directly connected to the back-up battery via a switch. The converter includes a first converter connected to the back-up battery and a second converter connected to the fuel cell, and the first and second converters are commonly connected to the charger. | 2008-11-27 |
20080290832 | FUEL CELL SYSTEM AND METHOD OF STARTING OPERATION OF FUEL CELL SYSTEM - A fuel cell system includes a fuel cell stack for power generation by electrochemical reactions of a fuel gas and an oxygen-containing gas, a high voltage energy storage capable of storing and discharging electrical energy generated by power generation of the fuel cell stack, and capable of being directly coupled to the fuel cell stack, a group of loads consuming at least electrical energy generated by the fuel cell stack or electrical energy discharged from the high voltage energy storage, and an auxiliary device control unit for reducing an amount of electrical energy remaining in the energy storage to a predetermined value by any of the group of loads, before starting power generation of the fuel cell stack. | 2008-11-27 |
20080290833 | BATTERY PACK, CHARGING DEVICE, AND ELECTRONIC DEVICE - A charging device which enables the charged state and remaining capacity of the battery pack to be accurately grasped. In the charging device on which a battery pack including a nonvolatile memory and a secondary battery cell is mounted, a charge control microcomputer measures a charging current supplied to and a charging voltage applied to the battery pack. Charged state data indicative of the charged state of the battery pack is determined based on at least one of the measured charging current and the measured charging voltage. The charge control microcomputer writes the determined charged state data in the memory of the battery pack. | 2008-11-27 |
20080290834 | BATTERY CHARGER - A battery charger for charging a plurality of secondary batteries is provided. The charger is configured to be connected to a power supply circuit and configured so that an output of the circuit is connected to the batteries. The battery charger includes a first switch for connecting the batteries in series, a second switch to selectively connect a first polarity terminal of a first secondary battery having a highest electric potential, a DC-DC converter having a first and second polarity input terminals, the first polarity input terminal being to be connected to the first polarity terminal via the second switch, the second polarity input terminal being to be connected to a second polarity terminal of a second secondary battery having a lowest electric potential, an external power supply output terminal connected to an output terminal of the DC-DC converter, and a controller for controlling the first and second switches. | 2008-11-27 |
20080290835 | BATTERY PACK, CHARGING DEVICE, AND ELECTRONIC DEVICE - A charging device capable of appropriately grasping the charged state of a battery pack using data stored in a memory of the battery pack even when the battery pack becomes commercial as a new product. A charging device determines charged state data indicative of a charged state of a battery pack mounted thereon based on a charging current supplied and/or a charging voltage applied to the battery pack. A charge control microcomputer reads charging characteristics data from a memory of the battery pack, and generates a data table associating at least one of the charging current supplied and the charging voltage applied to the battery pack and the charged state data with each other, based on the charging characteristics data read out. The microcomputer determines charged state data indicative of a charged state of the battery pack, based on the generated data table. | 2008-11-27 |
20080290836 | Battery charger for power hand tool - A battery charger for charging a battery of a power hand tool includes a housing with a charging chamber for receiving the battery under charging, air vents for ventilation, and a communication hole in communication with the charging chamber, a charging circuit assembly mounted inside the housing, a fan mounted inside the housing and electrically connected to the charging circuit assembly and having a first ventilation side facing the air vents and a second ventilation side opposite to the first ventilation side, and an ventilation unit in air communication between the communication hole and the second ventilation side of the fan for guiding air out of the charging chamber to the outside of the housing through the air vents during operation of the fan and charging of a battery by the charging circuit assembly. | 2008-11-27 |
20080290837 | ELECTRONIC SYSTEM FOR A BATTERY - An electronic system for a battery comprises a charging circuit ( | 2008-11-27 |
20080290838 | MULTI-FUNCTION INVERTER - Inverter that not only serves to convert energy that is generated from DC to AC, but that also makes it possible to recharge a DC battery, as well as selecting whether the energy that is generated is destined for self-consumption or for sale. To do this, the inverter has a DC/DC converter and a DC/AC converter, a charge regulator that is connected between the input and the DC/DC converter, the output of the DC/DC regulator having a connection to a DC battery that is to be recharged; it also has a switch that chooses which of the two outputs the energy is to be supplied through, whether through the self-consumption output or through the sale output; the switch is actuated by means of a selector. | 2008-11-27 |
20080290839 | BATTERY CHARGER AND CONTROL METHOD THEREFOR - A battery charger capable of correcting the deterioration of a secondary battery left unattended in a charge state and capable of accurately grasping a residual capacity. A battery pack having a nonvolatile memory and a secondary battery cell is attached to the battery charger. Full charge capacity data indicating a chargeable capacity of the battery pack at full charge and a left-charged battery deterioration correcting table to correct the full charge capacity data in accordance with the number of charge cycles are read out from the nonvolatile memory. The charged state data is counted each time it is stored in the nonvolatile memory. A battery cycle deterioration correcting value is specified based on the number of charge cycles, and full charge capacity data is corrected using the specified correcting value. The full charge capacity stored in the nonvolatile memory is rewritten. | 2008-11-27 |
20080290840 | Power dissipation limiting for battery chargers - Methods, systems, and apparatuses for charging a battery in a mobile device are described. In embodiments described herein a power supply voltage and/or a power supply current of a power supply coupled to charger of the mobile is reduced. The reduction in power supply voltage and/or current results in a reduction in heat dissipation and power dissipation by the charger. | 2008-11-27 |
20080290841 | Charging Circuit for Bootstrap Capacitor and Integrated Driver Circuit Using Same - The present invention discloses a charging circuit for charging a bootstrap capacitor from a supply voltage, the charging circuit comprising: a depletion mode transistor, having a first end of its source/drain electrically connected with the supply voltage, a gate electrically connected to the supply voltage, and a second end of its source/drain electrically connected with the bootstrap capacitor. Preferably, a diode is provided between the supply voltage and the depletion mode transistor. | 2008-11-27 |
20080290842 | ENERGY RECAPTURE FOR AN INDUSTRIAL VEHICLE - A system for capturing regenerative energy includes a battery configured to provide power for a traction motor and other operations of a vehicle and a capacitor connected to the battery. An auxiliary motor is configured to operate as a generator during a regenerative energy operation. The system further includes a controller configured to direct the regenerative energy to the capacitor during the regenerative energy operation and discharge the capacitor to provide power to the traction motor or for the other operations of the vehicle. | 2008-11-27 |
20080290843 | WIDE SPEED RANGE ELECTRIC POWER GENERATION SYSTEM USING HIGH REACTANCE PERMANENT MAGNET MACHINE - A device and method for controlling the output of a wide speed range high reactance permanent magnet machine based PGS is provided. The windings of a permanent magnet machine are coupled to a three-phase diode bridge. A transistor is used for temporarily short-circuiting said diode bridge. A capacitor smoothes the voltage at a voltage detection point. A control unit generates a signal that switches the transistor in response to a voltage detected at the voltage detection point. The control unit signal modifies the duty cycle of the switching of the transistor in response to variations in the speed of the power generator to maintain a desired voltage at the voltage detection point. | 2008-11-27 |
20080290844 | Automotive Auxiliary Power System - An auxiliary power system ( | 2008-11-27 |
20080290845 | Charge-transfer apparatus and method - An electronic device for transferring charge includes: a charge storage device; an inductive section; and a switching array having a first set of switches connected to a first node of a power terminal, a second set of switches connected to a second node, and a third set of switches connected to a third node. The device includes a controller configured to control the switching array so as to cause a first predetermined charge to interchange between the first node and the charge storage device, a second predetermined charge to interchange between the second node and the charge storage device, and a third predetermined charge to interchange between the third node and the charge storage device; and a bypass switch configured to close a circuit between the charge storage device and the inductive section so as to prevent charge from interchanging between the charge storage device and the nodes. | 2008-11-27 |
20080290846 | Switching power supply - A switching power supply capable of correcting a power factor without using a shunt resistor is provided. The switching power supply includes a rectifier for rectifying an AC power supply, boosting means including a power MOSFET for boosting an output of the rectifier, a smoothing capacitor for smoothing an output of the boosting means, voltage-dividing resistors for detecting a voltage between main terminals of the power MOSFET, a switch for selecting only the voltage by which the power MOSFET is in on-state from voltages detected by the voltage-dividing resistors, an amplifier for amplifying the voltage selected by the switch and outputting the same as a current corresponding value of a current flowing in the power MOSFET, voltage-dividing resistors for detecting the output voltage, and driving means which form a pulse signal based on the current corresponding value and the output voltage for driving the power MOSFET by the pulse signal. | 2008-11-27 |
20080290847 | METHOD AND APPARATUS FOR CONTROLLING A SUPPLY CURRENT FOR A CIRCUIT OR A PLURALITY OF CIRCUIT BLOCKS - A method for controlling a supply current for a circuit comprises setting a target value of a quantity related to a supply current, said target value being different from a presently established value of the quantity, and adjusting the quantity until a value of the quantity corresponds to the target value. A method for controlling a supply current to a plurality of circuit blocks comprises providing a plurality of partial supply currents to the plurality of circuit blocks, setting at least one target value of a quantity related to at least one of the partial supply currents, checking whether a predetermined condition which depends on the at least one set target value is achieved, and if the predetermined condition is not achieved, changing at least one among the at least one target values and the at least one partial supply currents to achieve the predetermined condition. | 2008-11-27 |
20080290848 | VOLTAGE REGULATOR WITH MANAGED GATE-DRIVE VOLTAGE - A system may include control of a voltage regulator to provide a regulated output voltage and output current to a load coupled to an output node of the voltage regulator, and changing of a gate-drive supply voltage provided to the voltage regulator based on the output current. | 2008-11-27 |
20080290849 | VOLTAGE REGULATION SYSTEM - A voltage regulation system is provided including detecting a feedback voltage less than a reference voltage; asserting a current source gate output by the feedback voltage less than the reference voltage; activating a gated current source by the current source gate output; and waiting a delay interval before negating the current source gate output for turning off the gated current source. | 2008-11-27 |
20080290850 | Switch control device, switch control method, and converter using the same - A switch control device, a switch control method, and a converter using the same are disclosed. The converter includes: a switch; an energy transfer element that converts input energy into output energy according to a switching operation of the switch; and a switch control device that generates a first signal, which is maintained at a first level during a first interval starting from a first time at which the switch is turned on by using a feedback signal corresponding to the output energy and is then gradually lowered from the first level to the feedback signal during a second interval, and controls the switching operation of the switch by using a second signal corresponding to a current flowing at the switch and the first signal. A malfunction due to an LEC can be effectively prevented, and the converter and the converter controller can be implemented to be compact and low-priced. | 2008-11-27 |
20080290851 | POWER SUPPLY - A power supply has a soft-start function capable of raising its output DC voltage without generating overshoot even when its load condition is set light at the start-up. The power supply comprises an error amplifier for outputting an error signal corresponding to the error between the output DC voltage and the target value thereof, a control section for adjusting power to be supplied to the load on the basis of this error signal, and a limiting circuit for limiting the voltage of the error signal to a predetermined level for a predetermined time after the output DC voltage at the start-up exceeds a predetermined value being set less than the target value. | 2008-11-27 |
20080290852 | POWER SUPPLY CIRCUIT AND SEMICONDUCTOR MEMORY - A power supply circuit that outputs a set voltage from an output terminal, has a boosting circuit that boosts a voltage supplied from a power supply and outputs the voltage to the output terminal; a voltage detecting circuit that outputs a first detecting signal when the voltage outputted from the boosting circuit is not lower than a first detection voltage set lower than the set voltage, and outputs a second detecting signal when the voltage outputted from the boosting circuit is not lower than the set voltage; and a clock signal generating circuit that outputs, based on a reference clock signal, a clock signal and an inverted clock signal obtained by inverting the clock signal, and stops outputs of the clock signal and the inverted clock signal in response to the second detecting signal. | 2008-11-27 |
20080290853 | Semiconductor element drive circuit - A drive circuit for driving a semiconductor element according to an input signal includes an output stage, a clamp circuit, a comparator, and a clamp control circuit. The output stage includes a series circuit of two transistors. A node between the transistors is coupled to a control terminal of the semiconductor element. One of the transistors is turned on when the input signal indicates that the semiconductor element is driven. The clamp circuit clamps a potential of the control terminal to a level enough to drive the semiconductor element when the one of the transistors is turned on. The comparator compares a power supply voltage of the drive circuit with a threshold voltage. The clamp control circuit disables the clamp circuit when the power supply voltage is less than the threshold voltage. | 2008-11-27 |
20080290854 | Switching regulator having reverse current detector - A switching regulator includes first and second transistors, which are provided in series between power sources respectively having first and second potentials, and which convert a direct current voltage of a potential difference between the first and the second potentials into an alternating current voltage, and a control circuit. The control circuit includes a comparator which compares the alternating current voltage and a threshold voltage in a period when the second transistor is to be on, and receives a predetermined voltage, at least immediately before the period in which the second transistor is to be on, the predetermined voltage being farther than a midpoint potential of the first and second potentials from the threshold voltage. The control circuit performs control such that the second transistor becomes turned off, when the comparator judges that the alternating current voltage has exceeded the threshold voltage toward the midpoint potential direction, in the period when the second transistor is to be on. | 2008-11-27 |
20080290855 | Battery Powered Intelligent Variable Power Supply/Battery Charger - A battery-powered power supply system is disclosed that is fully compatible with PMU ASIC and USB power architectures as well as being backwards compatible with the non-PMU power architectures. A battery-powered power supply utilizes a battery source (e.g., two AA battery cells in series), in a circuit including a switching power supply IC with a programmable variable output voltage and current limiter, along with a microcontroller. The invention also can include a flashlight or similar light source, which has utility beyond the obvious uses of a flashlight. The voltage and current supplied by the system of the present invention is controlled by the microcontroller to provide a variable voltage, variable as a function of time, if desired, during the charging operation. The flexibility afforded by a micro-controller controlled system allows the present invention to operate in different power or operational states and to adapt itself to the load demands. Furthermore, a unique power “boost” feature can be invoked by the user or be automatically invoked. | 2008-11-27 |
20080290856 | Device, Probe, and Method for the Galvanically Decoupled Transmission of a Measuring Signal - The invention relates to a device, a probe, and a method for the galvanically decoupling transmission of a measuring signal. A microwave signal is supplied by a transceiver ( | 2008-11-27 |
20080290857 | Electric current sensor - An electric current sensor having a housing, magnetic circuit with a magnetic core, and a magnetic field detector with a detection cell, positioned in an air gap between ends of the core. The core is made of a non-laminated magnetic material, and the magnetic circuit has a strap made of non-magnetic material welded to the core at each side of the air gap. The magnetic field detector has a support plate on which the detection cell is mounted. The plate has a recess, opposition the detection cell, which houses one end of the magnetic circuit. | 2008-11-27 |
20080290858 | HAND-HELD ELECTRONIC DEVICE AND OPERATING MODULE THEREOF - A hand-held electronic device including a casing, a display provided at the casing and an operating module embedded in the casing is provided. The operating module includes an operating key, an elastic film, an elastic wall, a circuit board and a sensing unit. The operating key is provided at the elastic film, and the elastic wall is also provided at the elastic film and is around the operating key. The sensing unit has a first sensing element provided in the operating key and a second sensing element provided at the circuit board. | 2008-11-27 |
20080290859 | Magnetic Sensor With Compensation - A sensing assembly. The sensing assembly is spaced apart from a magnet that has a magnet length, and includes a compensation module and a string of magnetic sensors that has a string length. The magnetic sensors are grouped into a plurality of magnetic sensor groups. Each of the magnetic sensors generates a respective intermediate signal based on the magnet. The compensation module assigns a plurality of respective gains to the respective magnetic sensor groups based on a difference between the magnet length and the string length, and applies the respective gains to the respective intermediate signals of the respective magnetic sensor groups to generate respective adjusted signals. | 2008-11-27 |
20080290860 | Angle of rotation sensor - An angle of rotation sensor includes at least one coil provided with windings and a magnetically conductive element which interacts with the coil is rotatable with a shaft for transmitting a detectable rotational movement, and whose different overlap degree with at least one magnetically conductive body depends on the rotational position thereof. The magnetically conductive element is located outside of a space surrounded by the coil in each rotational position thereof and the magnetically conductive body is U-shaped in such a way that two legs thereof form an intermediate space therebetween and a perpendicular cross web connecting them. The magnetically conductive body includes shaft bearings mounted on the end areas of the legs. | 2008-11-27 |
20080290861 | DISPLACEMENT SENSOR - An oscillator circuit outputs an oscillator signal with a frequency corresponding to an inductance of a displacement detector coil. An oscillation cycle measurement circuit measures a cycle of the oscillator signal output from the oscillator circuit, and outputs a signal corresponding to the measured cycle. A squaring circuit calculates and outputs a square of the signal output from the oscillation cycle measurement circuit. By the calculation and output of the square of the oscillator signal cycle, a square root component of the product of inductance and capacitance components is eliminated, so that the output signal changes linearly relative to the displacement of a displacement body. As a result, the linearity of the output signal relative to the displacement of the displacement body can be improved. | 2008-11-27 |
20080290862 | Irregular Saturated Pole Position Sensor - According to the invention, the position sensor is characterized in that the correction means ( | 2008-11-27 |
20080290863 | Open Write-Head-Cable Test Method and Detector - A storage drive implements a method for operating the storage drive between a plurality of operational modes. For a test mode of the storage drive, a write current driver circuit and a test current sensor are electrically connected to the write head, wherein the test current sensor generates a sense signal indicative of a degree of a flow of a test current through the write head to thereby facilitate a detection of any presence of an open write condition of the storage drive (i.e., any impedance condition impeding a flow of a write current through the write head). For a write mode of the storage drive, the write current driver circuit is electrically connected to the write head and the test current sensor is electrically disconnected from the write head, wherein the write head records data on a magnetic media based on a flow of the write current through the write head. | 2008-11-27 |
20080290864 | Magnetic Field Position Sensor and Method of Use - A magnetic field position sensing device for sensing the position, on a front surface of a wall, of a magnet of known magnetic field intensity secured to a rear surface of the wall. The sensing device has a magnetic field transducer which produces signals proportional to the strength of the magnetic field detected. These signals are treated in a microcontroller and compared to a reference signal value representative of the magnetic field intensity of the magnet, when not obstructed, whereby to generate signals to a display device which displays a numerical value indicative of the thickness of the wall. Audible/visual signaling devices are also provided whereby to direct the movement of the sensing device by a user person to locate same on the front surface of the wall substantially adjacent the magnet and this is accomplished by displacing the sensing device in a diminishing spiral path. | 2008-11-27 |
20080290865 | Method of forecasting and detecting polishing endpoint and the device thereof and real time film thickness monitoring method and the device thereof - An object of the present invention is to provide a method of forecasting and detecting a polishing endpoint and the device thereof and a real time film thickness monitoring method and the device thereof capable of suppressing a Joule heat loss to the minimum due to an eddy current, and precisely forecasting and detecting the polishing endpoint, and moreover, precisely calculating a remaining film amount to be removed and a polishing rate and the like on the spot so as to be able to accurately evaluate whether the predetermined conductive film is appropriately removed. | 2008-11-27 |
20080290866 | METHOD AND APPARATUS FOR DIGITAL MEASUREMENT OF AN EDDY CURRENT SIGNAL - A method and apparatus for conducting eddy current testing of a test object is disclosed, comprising the steps of generating a digital drive signal, converting the digital drive signal to an analog drive signal to drive a coil in a probe; placing the probe in proximity to a test object; receiving an electromagnetic field generated by the test object, which generates an analog return signal; converting the analog return signal to a digital return signal; measuring the amplitude of the digital return signal; measuring the phase shift of the digital return signal compared to the digital drive signal; determining the phase shift angle of the digital return signal based on the phase shift; determining the quadrature components of the digital return signal based on the digital return signal amplitude and the phase shift angle; and analyzing the quadrature components of the digital return signal to determine a material characteristic of the test object. | 2008-11-27 |
20080290867 | ALTERED SWEEP BELL-BLOOM MAGNETOMETER - A magnetometer is constructed wherein the sweeping is performed at one half the Larmor frequency and has as its center the absorption line. This allows the emitter to tune onto the absorption line twice per cycle as it passes through the line. This causes the increase in absorption as would the normal sweep of a Bell-Bloom magnetometer but avoids the drawbacks, such as drift and heading error. | 2008-11-27 |
20080290868 | Determining phase-encoding direction for parallel MRI - Example systems, methods, and apparatus associated with determining a phase-encoding direction for parallel MRI are described. One example, method includes selecting a set of projection directions along which an MRI apparatus is to apply RF energy to an object to be imaged. The method includes controlling the MRI apparatus to selecting a set of projection directions and to acquire MR signal from the object through a set of detectors. The method includes analyzing the MR signal to identify individual sensitivities for members of the set of detectors and selecting a phase-encoding direction for a pMRI session based on the individual sensitivities for the members. The method produces a concrete, tangible, and useful result by controlling the MRI apparatus to perform the pMRI session based on the selected phase-encoding direction. | 2008-11-27 |
20080290869 | Apparatus and Method for Performing In-Vitro Dnp-Nmr Measurements - Apparatus for performing in-vitro DNP-NMR measurements on a sample comprises magnetic field generating apparatus ( | 2008-11-27 |
20080290870 | TRANSMIT-MODE PHASED ARRAY COILS FOR REDUCED SAR AND ARTIFACT ISSUES - Systems and methods for the selection of and application of RF power to a plurality of transmit and/or transmit/receive coil elements to decrease patient SAR and to limit the potential for artifact problems. Without any change to the hardware or software of an MR scanner, the present local coil system provides system logic and coil design flexibility such that only transmit coil elements that are required for a particular portion of an MR scan will be utilized at that time. The local coil system may include any combination of transmit-only, receive-only and transmit/receive coil elements as part of the coil system (array of coil elements). The logic controller of the local coil system gathers input data from the MR scanner, from the attached coil elements and optionally from one or more sensors attached to the coil system itself. | 2008-11-27 |
20080290871 | Magnetic field adjustment device and magnetic field adjustment method for superconducting magnet - A magnetic field adjustment device for a superconducting magnet, wherein magnetic material shim mechanisms are arranged in an axial direction of an inside periphery of the cylindrical superconducting magnet, each of the magnetic material shim mechanisms including a combined shim tray ( | 2008-11-27 |
20080290872 | Apparatus of nuclear magnetic resonance measurement for continuous sample injection - A sample tube is used to ensure uniformity in a static magnetic field and uniformity in electromagnetic wave irradiation for NMR measurement for continuous sample injection. The sample tube is formed of a signal detecting tube having a length lying between 80% and 100% of the length of an antenna, the signal detecting tube accommodating a sample at the position of the antenna; first and second joint tubes each having an outside diameter equal to the outside diameter of the signal detecting tube and having an inside diameter smaller than the inside diameter of the signal detecting tube; and injection and ejection supporting tubes each having an inside diameter smaller than the inside diameter of the signal detecting tube. The first and second joint tubes have magnetic susceptibility matched to or brought close to that of a sample solvent. | 2008-11-27 |
20080290873 | Subsurface Electromagnetic Measurements using Cross-Magnetic Dipoles - Sensor assemblies including transmitter and receiver antennas to respectively transmit or receive electromagnetic energy. The sensor assemblies are disposed in downhole tools adapted for subsurface disposal. The receiver is disposed at a distance less than six inches (15 cm) from the transmitter on the sensor body. The sensor transmitter or receiver includes an antenna with its axis tilted with respect to the axis of the downhole tool. A sensor includes a tri-axial system of antennas. Another sensor includes a cross-dipole antenna system. | 2008-11-27 |