12th week of 2010 patent applcation highlights part 57 |
Patent application number | Title | Published |
20100072828 | PHASE CONTROL SWITCHING DEVICE - In a phase control switching device that controls a closing phase of a three-phase switching device connected between a power-supply-side transmission line and a compensation transmission line having a shunt reactor, a closing-phase control unit operates based on a closing command to the three-phase switching device, generates, for each phase, a closing phase in which the three-phase switching device is closed at zero points, both polarities of which are inverted into the same polarity, among zero points where zero points of a voltage changing ratio and zero points of the shunt reactor current coincide with each other, and controls the three-phase switching device. | 2010-03-25 |
20100072829 | Lens Array Module - There is disclosed a millimeter wave power source module which may include a plurality of submodules. Each submodule may include a further plurality of circuit devices. Each circuit device may have an input coupled to a corresponding receiving element and an output coupled to a corresponding radiating element. Each submodule may also include a heat spreader for removing heat from the plurality of circuit devices. A combination RF feed network and heat sink may include a waveguide horn to couple an RF input wave to the receiving elements on each of the plurality of submodules. The combination RF feed network and heat sink may also include a heat exchanger thermally coupled to the heat spreaders of each of the plurality of submodules. | 2010-03-25 |
20100072830 | Apparatus for determination of the axial position of the armature of a linear motor - An apparatus ( | 2010-03-25 |
20100072831 | METHOD FOR CONSTRUCTING AN ELECTRICAL MACHINE AND TOOTH HALVES FOR A TOOTH OF AN ELECTRICAL MACHINE - In an electrical machine in which the primary part comprises coils and magnets, the coils being surrounded in each case by two tooth halves and the magnet being inserted in each case between said two tooth halves, provision is made according to the invention for an assembly in which the coil is prewound, the prewound coil is pushed onto two tooth halves, and the magnet is only then inserted. This is made possible by the provision of tooth halves which have a corresponding shape or can be converted into a corresponding shape by virtue of the removability of a tooth tip. | 2010-03-25 |
20100072832 | Flux-switching magnetic machine - A flux-switching magnetic machine is provided having a drive element and a driven element. The drive element is configured to generate a composite magnetic field comprising a fixed component and a variable component, the fixed component being generated by spaced fixed field members and the variable component being generated by spaced armature windings. The driven element has a plurality of magnetisable portions configured to be coupled to the composite magnetic field generated by the drive element, such that the driven element moves in response to changes in this field. The number of fixed field members is greater than the number of armature windings. | 2010-03-25 |
20100072833 | ELECTRIC DRILL WITH CHARGE STATE AND DIRECTIONAL INDICATOR - In accordance with the invention, a drill comprises a drill housing with a handle portion and a driver portion. An electrical drill motor is located in the driver portion. The drill motor has an output shaft for coupling output rotary power. An electrical switch controls the operation of the drill motor. The electrical switch it is located on the handle portion of the drill housing. A chuck is coupled to the output shaft of the drill motor. A display combines information or state of charge of the battery and drill direction without unduly compromising battery life. | 2010-03-25 |
20100072834 | Assemblies for Electrical Machines - The present invention provides an assembly for mounting to, or forming part of, the stator assembly of a rotating electrical machine. A plurality of component modules are provided at angularly spaced-apart locations around the assembly and contain power electronics components. Electrically conductive toroidal inlet and outlet manifolds are provided to convey coolant fluid (preferably a liquid dielectric such as MIDEL) to and from the component modules. The inlet and outlet manifolds provide a dual function as a coolant circuit for conveying coolant fluid and as busbars. | 2010-03-25 |
20100072835 | Stacking Method For Electric Machines - Stacking more than one electric machine module (i.e., electromagnetic electric motor or generator system) with all stator bodies commonly attached and all moving bodies commonly attached increases the overall power of the stack according to the sum of power rating of each module in the stack. A keying object means comprises complementary keys on the stator and rotor bodies that allow easy mating alignment of at least two autonomous electric machine modules in the stack and preserve the mechanical integrity so all modules in the stack move or act as one large electric machine. Furthermore as an integral component in the manufacturing process of the electric machine module, the keying object means serves as an alignment mechanism for precision manufacture of the module chassis without precision methods, such as precision machining, or precision materials, or precision pieces, such as castings. | 2010-03-25 |
20100072846 | MAGNETIC BEARING DEVICE - A magnetic bearing device has a rotating shaft ( | 2010-03-25 |
20100072847 | Electromagnetically Driven Configuration of Flywheels And Rotors To Power Zero Emission Vehicles - An electric vehicle drive system includes an improved mechanical flywheel, rotor and friction disc assembly comprised of a plurality of coaxial flywheels, friction discs and rotors being driven by electromagnets placed on the outer circumference of the assembly containment ring and interspersed on the outsides of the assembly end plates. | 2010-03-25 |
20100072848 | Small DC motor - A small DC motor includes: a motor frame including a cylindrical portion, the cylindrical portion having a constant thickness and having a cross section in a shape that includes four sides and connecting portions, each of the connecting portions connecting adjacent two of the four sides and being located inward from a corresponding corner in a quadrangle including the four sides; field magnets; and an armature assembly, wherein the field magnets are provided so as to be spaced apart from each other, and the small DC motor includes an air gap between each of the four sides and a radially outermost surface of the armature assembly, the air gap being a minimum size needed to rotate the armature assembly. | 2010-03-25 |
20100072849 | MOTOR - A motor comprises a stator and a rotor ( | 2010-03-25 |
20100072850 | AXIAL GAP TYPE ROTATING MACHINE - An axial gap type rotating machine rigidly fixing the permanent magnets without reducing the magnetic flux and having a high output is provided. | 2010-03-25 |
20100072851 | ENGINE COOLING SYSTEM AND MOTOR THEREFORE - An engine cooling system, comprising a fan unit, cooling pipes and a coolant tank, the coolant tank, the cooling pipes and cooling channels of the engine being connected together and forming a cooling cycle, the fan unit being used to cool the cooling pipes and the coolant therein; wherein the fan unit comprises a motor and fan blades driven by the motor, the motor comprising a stator and a rotor rotatable mounted confronting the stator; the rotor comprising a shaft, a commutator fitted to the shaft, a rotor core fitted to the shaft adjacent to the commutator, windings wound about teeth of the rotor core and electrically connected to segments of the commutator; the windings being wound by aluminium cored wire that has a electrical insulation film around its peripheral surface. | 2010-03-25 |
20100072852 | DYNAMOELECTRIC ROTOR - Each of first and second pole cores has a boss portion, six core flange portions; and six claw-shaped magnetic pole portions, the first and second pole cores being disposed such that the claw-shaped magnetic pole portions face each other so as to intermesh and leading end surfaces of the boss portions are abutted with each other. The boss portions include coil mount portions in which cross-sectional shapes that are perpendicular to the central axis are hexagons; and abutted portions that have circular cross sections and that are disposed so as to protrude from leading ends of the coil mount portions. Radially-inner surfaces of the claw-shaped magnetic pole portions face side surfaces of the coil mount portions and are parallel to the side surfaces of the coil mount portions at the cross sections that are perpendicular to the central axis. | 2010-03-25 |
20100072853 | THREE-PHASE MAGNETO GENERATOR AND TRANSPORT APPARATUS - A plurality of permanent magnets are provided at a rotor at equal angular intervals. A plurality of magneto coils are provided at a stator at unequal angular intervals. The number of the plurality of magneto coils is not a multiple of three. The plurality of magneto coils include U-phase magneto coils, V-phase magneto coils and W-phase magneto coils. The U-phase magneto coils are arranged and connected such that phases of currents passing through the U-phase magneto coils are equal. The V-phase magneto coils are arranged and connected such that phases of currents passing through the V-phase magneto coils are equal. The W-phase magneto coils are arranged and connected such that phases of currents passing through the W-phase magneto coils are equal. | 2010-03-25 |
20100072854 | STATOR ARRANGEMENT, GENERATOR, WIND TURBINE, AND METHOD FOR POSITIONING A STATOR ARRANGEMENT - A stator arrangement of an electric machine, particularly a generator in a wind turbine is provided. The stator arrangement is radially surrounded by a rotatably mounted rotor arrangement. During normal operation the stator arrangement is non-rotatably connected to a stationary part of the generator. The stator arrangement may be released from the non-rotatable connection to the stationary part of the generator so as to be revolved relative to the stationary part of the generator. A method for positioning such a stator arrangement is also provided | 2010-03-25 |
20100072855 | ELECTROSTATIC INDUCTION POWER GENERATOR - An electrostatic induction power generator includes first and second substrates arranged to be opposed to each other, a third substrate arranged between the first and second substrates, first and second electrodes provided on both surfaces of the third substrate respectively, a third electrode provided on a surface of the first substrate; and a fourth electrode provided on a surface of the second substrate. | 2010-03-25 |
20100072876 | FILAMENT LAMP - A filament lamp having a filament and an internal lead in which the filament is insulated from contact with the internal lead and prevent from moving during operation to maintain a uniform distribution of light. To this end, the filament lamp includes a luminous tube having an inner wall, and opposing ends on which sealing parts are formed. Multiple filaments are sequentially disposed inside the tube in an axial direction, and internal leads are connected to each filament. An insulating wall is provided along the inner wall of the luminous tube in the axial direction and is disposed around at least one of the multiple filaments. Internal leads running partly parallel to the filaments are positioned between the luminous tube and insulating wall and do not engage the ring supporters of the multiple filaments, which could cause the filaments to move and distribute light in a nonuniform pattern. | 2010-03-25 |
20100072877 | LIGHT EMITTING DIODE LAMP TUBE - A light emitting diode (LED) lamp tube includes a circuit board and a tubular enclosure. The circuit board is disposed in the enclosure such that the enclosure is divided into a non-illuminated portion and a light-receiving portion. The light-receiving portion has two light-condensing side sections corresponding respectively to two sides of the circuit board, and a light-diffusing middle section connected between the light-condensing side sections. An outer surface of the light-receiving portion has a smoothly varying curvature. The light-condensing side sections cooperate with the light-diffusing middle section to diffuse uniformly LED light transmitted from an outer surface of the enclosure. | 2010-03-25 |
20100072878 | HIGH FREQUENCY, COLD CATHODE, TRIODE-TYPE, FIELD-EMITTER VACUUM TUBE AND PROCESS FOR MANUFACTURING THE SAME - Disclosed herein is a high frequency, cold cathode, triode-type, field-emitter vacuum tube including a cathode structure, an anode structure spaced from the cathode structure, and a control grid, wherein the cathode structure and the anode structure are formed separately and bonded together with the interposition of spacers, and the control grid is integrated in the anode structure. | 2010-03-25 |
20100072879 | FIELD EMISSION DEVICE WITH ANODE COATING - A field emission device in which a protective material is employed in relation to the anode wherein the protective material is selected from one or more members of the group consisting of amorphous carbon, graphite, diamond-like carbon, fullerenes, carbon nanotubes, a (co)polymer and an organic coating compound. | 2010-03-25 |
20100072880 | Light Emitting Display - The present invention provides light emitting displays which produce a bright image by efficiently emitting light radiated from a light-emitting thin-film layer to the viewer side, and also produces a high-quality image of high contrast ratio and changing in color to a limited extent over a wide viewing angle range even in a bright atmosphere. The light emitting displays are provided with a plurality of light-emitting devices | 2010-03-25 |
20100072881 | SIALON PHOSPHOR - A SiAlON phosphor represented by a general formula (1) | 2010-03-25 |
20100072882 | ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to an organic light emitting display device and a manufacturing method thereof. The organic light emitting display device according to an exemplary embodiment of the present invention includes: a substrate; a plurality of thin film transistors disposed on the substrate; an overcoat disposed on the thin film transistor; a thin film pattern disposed on the overcoat, the thin film pattern comprising a plurality of first portions where the thin film is present and a plurality of second portions where the thin film is not present; a first electrode disposed on the thin film pattern; an organic light emitting member disposed on the first electrode; and a second electrode disposed on the organic light emitting member. The first portion and the second portion are alternately arranged. | 2010-03-25 |
20100072883 | ORGANIC LIGHT EMITTING DIODE DISPLAYS WITH TRANSFLECTIVE MEMBERS - An organic light emitting device comprises: one or more first transflective members disposed on the substrate; one or more pixel electrodes disposed on the respective one or more first transflective members; one or more first organic light emitting members disposed on the respective one or more pixel electrodes; one or more second transflective members disposed on the respective one or more first organic light emitting members; one or more second organic light emitting members disposed on the respective second transflective members; and a common electrode disposed on the one or more second organic light emitting members. Other embodiments are also provided. | 2010-03-25 |
20100072884 | SUBSTRATE FOR AN ORGANIC LIGHT-EMITTING DEVICE, USE AND PROCESS FOR MANUFACTURING THIS SUBSTRATE, AND ORGANIC LIGHT-EMITTING DEVICE - The invention relates to a substrate ( | 2010-03-25 |
20100072885 | FLUORENE COMPOUND, ORGANIC LIGHT EMITTING DEVICE AND DISPLAY DEVICE USING THE FLUORENE COMPOUND - An organic light emitting device having a high efficiency and durability is provided. The organic light emitting device includes an anode, a cathode and a layer formed of an organic compound interposed between the anode and the cathode, and contains at least one kind of the fluorene compound represented by the following general formula (I) or (II): | 2010-03-25 |
20100072886 | Metal-Containing Dendrimers - This invention relates to a light emitting device which comprises at least one layer that contains an organometallic dendrimer having a core comprising a metal cation. The invention also relates to organometallic dendrimers and methods for producing the same. | 2010-03-25 |
20100072887 | ORGANOSELENIUM MATERIALS AND THEIR USES IN ORGANIC LIGHT EMITTING DEVICES - The present invention provides organoselenium compounds comprising dibenzoselenophene, benzo[b]selenophene or benzo[c]selenophene and their uses in organic light emitting devices. | 2010-03-25 |
20100072888 | Novel organic electroluminescent compounds and organic electroluminescent device using the same - Provided are a novel organic electroluminescent compound and an organic electroluminescent device using the same as an electroluminescent material. The disclosed organic electroluminescent compound is represented by Chemical Formula 1: | 2010-03-25 |
20100072889 | PHOTOSENSITIVE COMPOSITION, PARTITION WALLS AND BLACK MATRIX - To provide a photosensitive composition with which it is possible to form partition walls (black matrix) having excellent light shielding properties and liquid repellency. | 2010-03-25 |
20100072890 | INORGANIC ELECTROLUMINESCENT DEVICE AND DISPLAY APPARATUS EMPLOYING THE SAME - An inorganic electroluminescent device includes; a conductive layer, a fluorescent material layer disposed on a surface of the conductive layer, a dielectric material layer disposed on a surface of the conductive layer substantially opposite to the surface on which the fluorescent material layer is disposed, a first electrode disposed on the fluorescent layer, and a second electrode disposed on the dielectric material layer. | 2010-03-25 |
20100072891 | LIGHT EMITTING DIODE ILLUMINATION ASSEMBLY - A light emitting diode (LED) illumination assembly comprises a base, at least one first LED chip and at least one light modulation subassembly. The base is formed with a receiving groove, in which at least one first arrangement region and at least one second arrangement region recessed from the first arrangement region are located. The first LED chip is mounted on the first arrangement region for projecting at least one first light beam. The light modulation subassembly comprises a second LED chip and a light-transmissible layer. The second LED chip is mounted on the second arrangement region for projecting a second light beam. The light-transmissible layer contains phosphor powder, and covers the second LED chip. The second light beam is stimulated after transmitting through the light-transmissible layer, and mixes with the first light beam after being stimulated, so as to generate an illumination light beam. | 2010-03-25 |
20100072892 | HEATER LAMP - A halogen lamp including a glass bulb, a filament inserted inside the bulb, a pair of metal foils, and a pair of outer leads. Each metal foil has one end welded to the filament and the other end welded to the outer lead. The metal foils are contained in glass sleeves and they are collectively inserted inside the bulb. The bulb is softened by heating and shrinks because its inside pressure is reduced to seal the metal foils therein. Since the amount of glass of each sealed portion is larger than the other portions of the bulb by the amount of the sleeve, the shape of the sealed portion is stabilized. | 2010-03-25 |
20100072893 | ELLIPSOIDAL MICROCAVITY PLASMA DEVICES AND POWDER BLASTING FORMATION - The invention provides microcavity plasma devices and arrays that are formed in layers that also seal the plasma medium, i.e., gas(es) and/or vapors. No separate packaging layers are required and additional packaging can be omitted if it is desirable to do so. A preferred microcavity plasma device includes first and second thin layers that are joined together. A half ellipsoid microcavity or plurality of half ellipsoid microcavities is defined in one or both of the first and second thin layers, and electrodes are arranged with respect to the microcavity to excite a plasma within said microcavities upon application of a predetermined voltage to the electrodes. A method for forming a microcavity plasma device having a plurality of half or full ellipsoid microcavities in one or both of first and second thin layers is also provided by a preferred embodiment. The method includes defining a pattern of protective polymer on the first thin layer. Powder blasting forms half ellipsoid microcavities in the first thin layer. The second thin layer is joined to the first layer. The patterning can be conducted lithographically or can be conduced with a simple screen. | 2010-03-25 |
20100072894 | LAMP DEVICE AND LIGHTING APPARATUS - A lamp device includes: a substrate; a light emitting element mounted on the substrate; a heat transfer body having a peripheral wall portion having one end expanding toward another one end, the substrate being attached to an inner surface of the one end of the heat transfer body; a plurality of heat radiation fins disposed at the another one end of the peripheral wall portion of the heat transfer body; a cover attached to the one end of the heat transfer body; a base mounted to one end of the cover; and a lighting circuit disposed inside the cover and adapted to trigger light emission of the light emitting element. A lighting apparatus is composed of a lighting apparatus housing, a socket disposed in the lighting apparatus housing, and a lamp device of the structure mentioned above. | 2010-03-25 |
20100072895 | Non combustible, tactical flash device - A to a non-combustible, tactical flash device includes a non-spherical hollow main housing having a plurality of flat surfaces, adapted to hold internal functional components. The internal functional components include: (i.) an externally exposed activation component located on the main housing; (ii.) a power connected to the activation component and to a control chip; (iii.) the control chip also being connected to at least one speaker and at least one light source, the control chip including capabilities for delay of processing of other commands upon initiation of the activation component, and for subsequent processing of other commands including sound delivery to at least one speaker and/or light activation to at least one light source. Optionally, a beacon transmitter may also be included. | 2010-03-25 |
20100072896 | Panel Board Emergency Lighting System - An emergency lighting system comprising an electrical panel board comprising a phase layout comprising a plurality of consecutively arranged phases wherein a pair of consecutive phases are of the same phase, a 2-pole branch circuit breaker electrically connected to the pair of consecutive phases that are of the same phase, and a 1-pole remotely-operated-relay electrically connected to one pole of the 2-pole branch circuit breaker. The emergency lighting system further comprises an emergency lighting fixture comprising a normal power input electrically connected to the load side of the 1-pole remotely-operated-relay such that the normal power input is connected to one phase of the plurality of phases, an emergency power input electrically connected to the load side of the 2-pole branch circuit breaker such that the emergency power input is electrically connected to the two consecutive phases of the same phase. The emergency lighting fixture further comprises a neutral power input and a battery electrically connected to the emergency power input. | 2010-03-25 |
20100072897 | LED LAMP - An LED lamp includes a bracket, a plurality of first LED modules mounted on a center of the bracket, a second LED module mounted on a foreside of the bracket and spaced from the first LED modules, and a driving circuit board mounted on a rear end of the bracket and electrically connecting with the second LED module and the first LED modules. The driving circuit board comprises a chip automatically monitoring operating status of the first LED modules and automatically controlling activation of the second LED module when failure occurs on at least one of the first LED modules. | 2010-03-25 |
20100072898 | LED DRIVING CIRCUIT - An LED driving circuit is provided for making it possible to economically drive a serially connected LED circuit by means of a switching device with a relatively low withstanding voltage even if the number of serially connected LED devices increases. In an LED driving circuit provided with a serially connected LED circuit ( | 2010-03-25 |
20100072899 | System and/or method for reading, measuring and/or controlling intensity of light emitted from an LED - A system and/or a method reads, measures and/or controls intensity of light emitted from a light-emitting diode (LED). The system and/or the method have a light intensity detector adjacent to the LED for reading and/or measuring the intensity of light emitted from the LED. The system and/or the method have a control circuit that may be electrically connected to both the detector and/or the LED for measuring and/or for controlling an intensity of light emitted from the LED. A housing surrounds the light detector and/or the LED. The housing has a pathway that allows only light emitted from the LED to reach the light detector. The LED has a finish and/or a coating that eliminates and/or retards absorption of light by internal components of the LED. The finish and/or the coating eliminates and/or retards reflection of the light by the LED. | 2010-03-25 |
20100072900 | SYSTEM AND METHOD FOR GENERATING LIGHT BY COLOR MIXING - The present invention relates to a method of generating light with a predetermined chromaticity value of a color gamut by color mixing of the light emitted by a plurality of light sources, each of which emits light with a primary color, the light sources being capable of emitting light with at least three primary colors, wherein at least a first and a second light source are used to emit light of at least one primary color. The object to provide a simple method of generating light with a predetermined and constant chromaticity value of a color gamut by color mixing of the light emitted by a plurality of light sources, which can even be advantageously used in display applications sequentially displaying primary colors, is achieved in that said first and said second light source emit light with different peak and/or dominant wavelengths, the chromaticity of the primary color generated by color mixing of the light emitted from said first and said second light source being adjusted to a predetermined and constant chromaticity value by controlling the ratio of intensities of said first and said second light source, and said chromaticity value of said primary-color light generated by color mixing is used to generate light by color mixing with the light of other primary color light sources. | 2010-03-25 |
20100072901 | METHOD AND DRIVER FOR DETERMINING DRIVE VALUES FOR DRIVING A LIGHTING DEVICE - The present invention relates to a method for determining drive values for driving a lighting device at a desired brightness and color. The method comprising the steps of determining a first luminous flux weight ratio based on the desired color and a first drive current for driving each of the differently colored LEDs, determining a first luminous flux for each of the differently colored LEDs based on the desired brightness and the first luminous flux weight ratio, comparing, for each of the differently colored LEDs, the first luminous flux with a nominal luminous flux for a plurality of different drive currents, selecting, for each of the differently colored LEDs, a preferred drive current that at least can produce the first luminous flux, determining a second luminous flux weight ratio based on the desired color and the selected drive currents for each of the differently colored LEDs, determining a second luminous flux for each of the differently colored LEDs based on the desired brightness and the second luminous flux weight ratio, and determining a duty cycle for each of the differently colored LEDs at the selected drive currents, wherein the selected currents at the determined duty cycles produces the second luminous flux for each of the differently colored LEDs. The present invention provides for the possibility to limit the number of necessary computational steps for determining preferred drive currents. Furthermore, an increase in number of current level and/or differently colored LEDs would only slightly increase the computational cost. | 2010-03-25 |
20100072902 | LIGHT ELEMENT ARRAY WITH CONTROLLABLE CURRENT SOURCES AND METHOD OF OPERATION - A light element array ( | 2010-03-25 |
20100072903 | Color and Intensity Control Over Power Wires - A control element for a luminaire constituted of a first and a second manually variable non-momentary impedance and a first and a second time dependent gating circuit, each responsive to a respective manually variable non-momentary impedance and operative to provide a time dependent gating of a respective polarity of an alternating current power signal, the amount of time of the gating reflecting the present value of the respective manually variable non-momentary impedance, wherein the first time dependent gating circuit and the second time dependent gating circuit are restrained to maintain a minimum predetermined power towards the solid state lighting unit. | 2010-03-25 |
20100072904 | AIRCRAFT LED WASHLIGHT SYSTEM AND METHOD FOR CONTROLLING SAME - A modular area washlight illumination system and method for operating are providing that comprises an intelligent light module group that has: one or more light modules, each of which comprises a plurality of discrete illumination sources; a power supply; and an intelligent module group controller comprising: a) circuitry that controls the illumination levels of the illumination sources; and b) an interface for receiving and sending information. The system further comprises a system controller that comprises: a) an attendant control panel serving as a user interface; and b) a system controller interface that is connected to the module group controller interface. | 2010-03-25 |
20100072905 | LIGHT EMITTING DEVICE FOR AC OPERATION - An AC light emitting device is disclosed. The AC light emitting device includes at least four substrates. Serial arrays each of which has a plurality of light emitting cells connected in series are positioned on the substrates, respectively. Meanwhile, first connector means electrically connect the serial arrays formed on respective different substrates. At least two array groups each of which has at least two of the serial arrays connected in series by the first connector means are formed. The at least two array groups are connected in reverse parallel to operate. Accordingly, there is provided an AC light emitting device capable of being driven under an AC power source. | 2010-03-25 |
20100072926 | ROTARY ELECTRIC MACHINE CONTROL SYSTEM - A control unit for a rotary electric machine includes a first current command module, a second current command module, a change module, and a return module. The first module performs a first current command on a maximum efficiency characteristic line on a d-q plane thereby to drive the machine at a maximum efficiency. The second module performs a second current command on a switching line set at a retard angle side relative to the maximum efficiency characteristic line. The change module changes a control mode from a rectangular wave voltage phase control mode to an overmodulation current control mode when an operation point of the machine reaches the switching line. The return module returns the current command from the second command to the first command after performance of the second command for a predetermined period. | 2010-03-25 |
20100072927 | ROTARY ELECTRIC MACHINE CONTROL SYSTEM - A control unit of a rotary electric machine control system includes a stationary switching module and a transitional switching module. The stationary switching module switches over a control mode from a rectangular wave voltage phase control mode to an overmodulation current control mode by using a current phase of a smoothed current produced by filtering of high harmonic components on an actual current in a stationary operation state. The transitional switching module switches the control mode from the rectangular wave voltage phase control mode to the overmodulation current control mode by using the current phase of the actual current in a transitional operation state. The control mode is switched over by comparing the current phase of the actual current with a transitional switching reference line, which is preset separately from a switching reference line used for comparison with a current phase of the smoothed current. | 2010-03-25 |
20100072928 | ELECTRICAL SYSTEM FOR PULSE-WIDTH MODULATED CONTROL OF A POWER INVERTER USING PHASE-SHIFTED CARRIER SIGNALS AND RELATED OPERATING METHODS - Systems and methods are provided for pulse-width modulated control of power inverter using phase-shifted carrier signals. An electrical system comprises an energy source and a motor. The motor has a first set of windings and a second set of windings, which are electrically isolated from each other. An inverter module is coupled between the energy source and the motor and comprises a first set of phase legs coupled to the first set of windings and a second set of phase legs coupled to the second set of windings. A controller is coupled to the inverter module and is configured to achieve a desired power flow between the energy source and the motor by modulating the first set of phase legs using a first carrier signal and modulating the second set of phase legs using a second carrier signal. The second carrier signal is phase-shifted relative to the first carrier signal. | 2010-03-25 |
20100072929 | Motor Control Device - A motor control device that includes a first speed estimator estimating the rotation speed of the rotor of a permanent-magnet synchronous motor and that controls the motor so that a first estimated rotation speed estimated by the first speed estimator follows the specified speed value further includes a second speed estimator that estimates the rotation speed of the rotor by an estimation method different from that used by the first speed estimator. The motor control device detects synchronization failure based on a comparison between a second estimated rotation speed estimated by the second speed estimator and the first estimated rotation speed or the specified speed value. | 2010-03-25 |
20100072930 | NEGATIVE SEQUENCE CARRIER SIGNAL CONTROLLER - A negative sequence feedback circuit is connected to monitor and minimize unbalances in a high-frequency ac carrier signal provided to a motor/load for the purpose of detecting rotor position. The negative sequence feedback circuit detects unbalances in the high-frequency ac carrier signal and generates negative sequence feedback. The feedback is combined with command signals used to generate the high-frequency ac carrier signal, and the combination of the command signals with the negative sequence feedback is provided to an inverter for generation of the high-frequency ac carrier signal, wherein the negative sequence feedback reduces unbalances in the resulting high-frequency ac carrier signal such that a balanced high-frequency carrier signal is provided to the motor/load. | 2010-03-25 |
20100072931 | Motor Arrangement - The invention relates to a motor arrangement ( | 2010-03-25 |
20100072932 | Fail-Passive Electro-Mechanical Actuator Utilizing Dual Controllers And A Two-Phase Brushless Motor - A fail-passive electro-mechanical actuator utilizing dual controllers and a two-phase brushless motor is provided. In one embodiment, the invention relates to a fail passive system for controlling a two phase brushless motor, the system including the two phase brushless motor including a stator, a rotor, a first winding electromagnetically coupled to the rotor, and a second winding electromagnetically coupled to the rotor, first control circuitry coupled to the first winding, the first control circuitry configured to provide a first current to the first winding, second control circuitry coupled to the second winding, the second control circuitry to provide a second current to the second winding, wherein the first control circuitry is configured to receive a first commanded value from an external control circuit, wherein the second control circuitry is configured to receive a second commanded value from the external control circuit, wherein the first control circuitry is configured to receive a negated form of the second commanded value from the second circuitry, wherein the second control circuitry is configured to receive a negated form of the first commanded value from the first circuitry, and wherein the first control circuitry and the second control circuitry are configured to concurrently control a movement of the rotor. | 2010-03-25 |
20100072933 | METHOD AND DEVICE FOR DETECTING THE ROTATION OF A BRUSH-OPERATED D.C. MOTOR - a method and a device for detecting the rotation of a brush-operated d.c. motor comprising a number of winding branches which are electrically connected between brushes, during the operation of the motor, by means of plates, according to the rotational angle. According to the invention, an alternating voltage signal is modulated on the basis of a supply direct voltage for the brushes, by which means the course of the complex resistance of the direct current motor is determined and used for the detection of rotation. In this way, the invention enables a cost-effective rotation detection that can be used in motor vehicle technology without requiring additional mechanical components. | 2010-03-25 |
20100072934 | FAULT-TOLERANT CONTROL SYSTEM - A fault-tolerant position feedback filter may be used in an actuation control system to limit the authority of a first position signal, should the first position signal become erroneous, and thereby prevent a postulated runaway condition of an acuator. The filter includes a difference function, a limited integrator, and a summer The difference function is coupled to receive a first position signal and a combined position error signal and is operable to supply a first position error signal representative of a mathematical difference between the first position signal and the combined position signal. The limited integrator is coupled to receive the first position error signal and operable to supply an integrated position error signal that is limited in magnitude to a predetermined limit. The summer is coupled to receive the integrated position error signal and a second position signal and is operable to supply the combined position error signal. The combined position error signal is representative of a mathematical sum of the integrated position error signal and the second position signal. | 2010-03-25 |
20100072935 | Systems And Methods For Controlling Motors - Systems and methods for controlling motors are provided. In this regard, a representative system, among others, includes memory, a motor controller, and a motor. The memory is configured to store sequence information and the motor controller is configured to: receive instructions from a processing device of the system, receive the stored sequence information based on the received instructions, generate at least one drive signal based on the received sequence information, and transmit the at least one drive signal. The motor is configured to be operated based on the transmitted drive signal. | 2010-03-25 |
20100072936 | Simultaneous zero verification for motors in a printing press - A method for determining accuracy of an actual position of a plurality of independent motors in a printing press is provided. The method includes commanding each of the plurality of motors in the printing press via a controller to move a desired initial position, comparing an actual position of each motor to the desired initial position of each motor, determining if the actual position of each motor is within a predetermined tolerance of the desired initial position, and resetting any motor outside the predetermined tolerance to be within the predetermined tolerance. A printing press is also provided. The printing press includes a plurality of printing press components and a plurality of motors. Each motor drives at least one of the printing press components and each of the motors has a desired initial position. The printing press also includes a position detector for determining an actual position of the motor with respect to the desired initial position of the motor. | 2010-03-25 |
20100072937 | MOBILE POSITIONING STRUCTURE FOR AN AXIAL ROD MOTOR - A mobile positioning structure for an axial rod motor comprises a base on which being disposed a stator, and on the stator is disposed a mover on which being mounted an optical signal reader. The stator is provided with a plurality of measurement marks. The position of the mover on the stator is read by the cooperation of an optical reader and measurement marks, such an optical signal reading method is not affected by the magnetic field. Hence, the data detected will be more accurate with less error. | 2010-03-25 |
20100072938 | Encoder Eccentricity Correction for Motion Control Systems - Correction of rotary encoder eccentricity in an image forming device having a motor controller using period and position pulse train feedback signals. A motor includes an encoder disc rotating with the motor and at least two encoder sensors disposed at different circumferential positions about the encoder disc. A controller may use a high speed clock to calculate a corrected speed count based on speed counts determined from the number of clock cycles that elapse per cycle of pulse trains from the encoders. The controller may also calculate a corrected position count based at least partly on one or more position counts determined from the number of clock cycles that elapse between periodic sampling points and transitions of encoder pulse trains. The corrected position count may also be calculated based on a position count and one or more speed counts. | 2010-03-25 |
20100072939 | MOTOR DRIVING SYSTEM COMPATIBLE WITH DIFFERENT TYPES OF ENCODERS - A system compatible for different types of signals relates to a motor includes a differential amplifier, a comparator, and a transmitting device. The differential amplifier is configured to receive one of a differential digital pulse signals pair and a differential analog signals pair. The differential digital pulse signals pair is converted to a first digital signal, and the differential analog signals pair is converted to an analog signal by the differential amplifier. The comparator is configured to convert the analog signal into a second digital signal. The first digital signal is received and outputted by the comparator. The transmitting device is configured to convert a data signals pair to a binary code, and convert differential reference digital signals pairs to reference digital signals. The reference digital signals, the first and second digital signals are received by an external computing device. | 2010-03-25 |
20100072940 | SERVO MOTOR DRIVE CONTROL DEVICE FOR CALCULATING CONSUMED ELECTRIC ENERGY AND REGENERATED ELECTRIC ENERGY - A mechanical system includes a plurality of amplifier groups each having a common power source unit connected to a higher-level power source and a plurality of power supply units for supplying power to servo motors from the common power source unit. A servo motor drive control device of the mechanical system includes a plurality of amplifier group electric power detection units each determining an electric energy of the corresponding one of the amplifier groups. Each of the amplifier group electric power detection units totals individual periodic electric energy dEak of the servo motors connected to the power supply unit associated with the corresponding amplifier group thereby to determine an amplifier group periodic electric energy dEbg representing a consumed electric energy or a regenerated electric energy in the corresponding amplifier group and integrates the determined amplifier group periodic electric energy dEbg over a predetermined time length thereby to determine an amplifier group consumed electric energy Ebng. The individual periodic electric energy dEak takes a positive value when electric power is consumed by the servo motors, and takes a negative value when electric power is regenerated by the servo motor. | 2010-03-25 |
20100072941 | DRIVE CONTROL SYSTEM OF STEPPING MOTOR AND DRIVE CONTROL METHOD TECHNICAL FIELD - Provided are a stepping motor drive control device and a drive control method capable of suppressing increase of the number of parts and generation of vibration and noise by a stepping motor by using simple control. The drive control device for a stepping motor ( | 2010-03-25 |
20100072942 | CONTROL MODULE FOR DYNAMIC OPERATION OF A POWER INVERTER USING AN APPLICATION SPECIFIC INTEGRATED CIRCUIT - Systems and apparatus are provided for a control module for operating an inverter in a vehicle. A control module comprises a first circuit card assembly and a microprocessor mounted on the first circuit card assembly. The microprocessor is configured to determine a phase modulation command for a first motor phase and determine a modulation criterion for the inverter. An integrated circuit is communicatively coupled to the microprocessor. The integrated circuit is configured to generate a first modulation signal based on the phase modulation command and the modulation criterion and generate a second modulation signal based on the phase modulation command and the modulation criterion. | 2010-03-25 |
20100072943 | VEHICLE ENERGY RECOVERY SYSTEM - A system and method for recovering heat energy from a vehicle, such as a car, truck, railroad, or airplane, is disclosed. The system and method include mounting a thermoelectric unit to the vehicle at one or more locations where a temperature gradient is expected. Due to the Seebeck effect, the thermoelectric unit generates a voltage and current, which may then be temporarily stored on the vehicle and/or transferred inductively to an off-vehicle location. | 2010-03-25 |
20100072944 | CHARGER FOR PORTABLE DEVICES - A charger is arranged to switch on automatically when a device, such as a mobile phone, is connected to the charger and switch off automatically when the device is removed from the charger. This is achieved by providing the charger with an interface, for the device to connect to, and a switch. The interface and switch are arranged on the charger such that the switch is depressed when the device is connected to the charger. Depressing the switch causes electricity to flow to the interface and allows the device to be charged. | 2010-03-25 |
20100072945 | CHARGING SET FOR AN ACCUMULATOR - In a charging set for an accumulator with a housing, which has a charging receptacle for the accumulator, and with a power cable for connecting the charging set to a power grid, provision is made on said housing for at least a first switching element, which can be actuated in order to activate the connection of the charging set to the power grid via the power cable for the power supply to said charging set. | 2010-03-25 |
20100072966 | CIRCUIT WITH ISOLATION INTERFACE AND REMOTE ON/OFF - A circuit with an isolation interface and a remote on/off function is disclosed. The circuit includes a controller included in a primary side of the circuit. The controller is coupled to receive a primary side feedback signal and the controller is configured to enter a shutdown mode when the primary side feedback signal exceeds a feedback signal threshold. The circuit also includes an isolation interface coupled to galvanically isolate the primary side from a secondary side of the circuit. The isolation interface translates a secondary side feedback signal from the secondary side into the primary side feedback signal on the primary side. The isolation interface is configured to adjust the primary side feedback signal to exceed the feedback signal threshold in response to an on/off signal. | 2010-03-25 |
20100072967 | CONVERTER CONTROL CIRCUIT - There is provided a converter control circuit including: a high-side switching element connected between an input voltage terminal and an inductive load; a low-side switching element connected between the inductive load and a reference potential; a drive circuit configured to drive a gate of the switching elements; a drive switch connected to the gate of at least one of the switching elements in parallel with the drive circuit; and a drive switch control circuit switching the drive switch from ON to OFF when the gate voltage of the switching element with the gate connected to the drive switch reaches a prescribed threshold while the switching element is driven by the drive circuit. | 2010-03-25 |
20100072968 | CONTROL SYSTEM FOR SWITCHING DC-DC CONVERTERS - A control system for a switching DC-DC converter is proposed. The converter includes an input terminal for receiving an input voltage from a source, a control terminal adapted to receive a switching control signal, and an output terminal for providing to a load an output voltage generated from the input voltage according to the control signal. The control system includes detecting means for detecting a reaching condition of a predetermined value by a current provided to the load by the converter and control means for controlling the control signal according to the output voltage. The control system further includes disabling means for disabling the supply of the control signal to the control terminal according to the detection of the reaching condition. The disabling means includes selection means for controlling the disabling according to a time relationship between the detection of the reaching condition and the control signal. | 2010-03-25 |
20100072969 | System and method for near zero light-load supply current in switching regulator - Techniques for near zero light-load supply current in switching regulators are described. In one aspect a voltage regulator operating a normal mode is generating an error signal indicating a difference between the output and the regulated voltage. A control signal, at least in part based on the error signal, actively controls the output of the regulator. The control signal is monitored over period of time. The monitoring activates a signal indicating when the control signal is inactive for the period of time indicating a light-load condition. The voltage regulator is then placed in a standby mode when the signal is active and the error signal indicates the output is substantially at the regulated voltage. Portions of the voltage regulator are then disabled permitting the voltage regulator to operate at the minimum current draw. | 2010-03-25 |
20100072970 | ADAPTIVE VOLTAGE POSITION DC-DC REGULATORS AND THE METHOD THEREOF - The present invention discloses an adaptive voltage position DC-DC regulator and the method thereof, the regulator comprising a main circuit and a control circuit which includes a sensing unit, a feedback unit, a comparing unit, a PWM generator and a driver. The regulator realizes the adaptive voltage position control with simple internal circuit and fewer pins. | 2010-03-25 |
20100072971 | CIRCUIT FOR A SEMICONDUCTOR SWITCHING ELEMENT INCLUDING A TRANSFORMER - A circuit for a semiconductor switching element including a transformer. One embodiment provides a first voltage supply circuit having a first oscillator. A first transformer is connected downstream of the first oscillator. A first accumulation circuit for providing a first supply voltage is connected downstream of the first transformer. A driver circuit having input terminals for feeding in the first supply voltage and having output terminals for providing a drive voltage for the semiconductor switching element, designed to generate the drive voltage for the semiconductor switching element at least from the first supply voltage. | 2010-03-25 |
20100072972 | BAND GAP REFERENCE VOLTAGE CIRCUIT - Provided is a band gap reference voltage circuit having an improved power supply rejection ratio. Owing to a voltage supply circuit ( | 2010-03-25 |
20100072973 | Voltage Converter - A voltage converter to convert a high voltage to a low voltage is provided. The voltage converter comprises: a current mirror, a current bias, a plurality of loads and a low voltage output. The current mirror comprises a first PMOS and a second PMOS, wherein the source of the first PMOS and the second PMOS receive a high voltage input which is a supply voltage of the current mirror, and the gate of the first PMOS is connected to the drain of the first PMOS. The current bias is connected between the drain of the first PMOS and a ground potential. The plurality of loads are parallel connected between the drain of the second PMOS and the ground potential. And the low voltage output connected to the drain of the second PMOS. | 2010-03-25 |
20100072974 | ELECTRONIC APPARATUS - The invention provides a compact and highly reliable electronic apparatus that can be driven by a small-capacity battery, and that can achieve high-speed continuous driving of a load by quickly judging the recovery state of the battery after driving the load. More particularly, the invention provides an electronic apparatus includes a power supply, a load, a load driver for driving the load by the power supply, a power supply state detecter for outputting power supply recovery information by measuring physical quantity of the power supply at predetermined intervals of time after the driving of the load is stopped, and a controller for instructing the load driver to drive the load, based on the power supply recovery information supplied from the power supply state detecter. | 2010-03-25 |
20100072975 | Battery System And Battery Pack - To provide a battery system that can detect connecting locations of a plurality of battery packs with a simple structure, the battery system includes a plurality of terminal blocks | 2010-03-25 |
20100072986 | DEVICE AND METHOD FOR MEASURING THE POSITION OF A MOBILE PART - A device for measuring the position of a mobile part ( | 2010-03-25 |
20100072987 | DISPLACEMENT SENSOR - A displacement sensor includes a primary coil ( | 2010-03-25 |
20100072988 | SYSTEM THAT OBTAINS A SWITCHING POINT WITH THE ENCODER IN A STATIC POSITION - A system including an encoder, multiple sensing elements and control logic. The encoder has a pole pitch and is configured to rotate in a direction of rotation. The multiple sensing elements are situated along the direction of rotation and span at least half the length of the pole pitch. The control logic is configured to receive signals from the multiple sensing elements based on the encoder in a static position and obtain a switching point based on the signals. | 2010-03-25 |
20100072989 | Magnetic Rotation Sensing - Embodiments for rotation sensing are provided. The device may include a magnet apparatus comprising a magnet, the magnet apparatus configured to be coupled to a dial apparatus of a meter. Also included may be a magnetic field sensor configured to be coupled to a dial cover. When the magnet apparatus is coupled to the dial apparatus and the magnetic field sensor is coupled to the dial cover, the distance between the magnet and the magnetic field sensor may be a function of the strength of the magnet and the sensitivity of the magnetic field sensor. Also, the magnetic field sensor may be configured to generate an analog signal. The device may also include a memory component storing logic configured to detect an abnormal condition based on a data value of the analog signal. The detected condition may be magnetic tampering, a missing dial cover, and/or a missing dial hand. | 2010-03-25 |
20100072990 | Magnetic Rotation Sensing - Embodiments for rotation sensing are provided. A device may include a magnet apparatus including a first and a second magnet. The magnet apparatus may be configured to be coupled to a dial apparatus of a meter. The device may include a first magnetic field sensor and a second magnetic field sensor configured to be coupled to a dial cover. The magnetic field sensors may generate signals based upon the sensed magnetic fields. In some embodiments, the device may include logic for counting rotations and/or logic for detecting abnormal conditions such as a missing dial hand, missing dial cover, magnetic tampering and/or malfunctioning magnetic field sensors. | 2010-03-25 |
20100072991 | METHOD AND ARRANGEMENT FOR LOCATING MAGNETIC MARKERS IN A REGION OF ACTION - A method and an arrangement for influencing and/or detecting and/or locating magnetic markers in a region of action is disclosed, which method comprises the steps of: generating a magnetic drive field so that the magnetization of the magnetic marker changes, generating a magnetic selection field having a pattern in space of its magnetic field strength providing a magnetic field gradient in the region of action, acquiring a first signal by means of a first receiving probe and acquiring a second signal by means of a second receiving probe, the first receiving probe and the second receiving probe being located at different locations relative to the region of action, the first signal and the second signal depending on the magnetization of the magnetic marker in the drive field and in the selection field and further depending on the location of the magnetic marker, the magnetic selection field having a first magnetic field strength configuration, repeating at least once the acquisition of the first signal and of the second signal in the presence of the selection field having a second magnetic field strength configuration, computing an estimation of the location of the magnetic marker by means of the acquired signals. | 2010-03-25 |
20100072992 | MAGNETIC FIELD SENSOR ARRAY FOR MEASURING SPATIAL COMPONENTS OF A MAGNETIC FIELD - A magnetic field array for measuring spatial components of a magnetic field is proposed, in which with at least one magnetic field sensor utilizing the XMR effect in a magnetoresistive film structure, a further component, perpendicular or nonparallel to the film structure of the magnetic field to be detected, is detectable in that at least one flux concentrator is disposed above the film structure in such a way that the magnetic field lines in the peripheral regions of the flux concentrator are deflectable in such a way that there, the field lines embody a horizontal component of the magnetic field. | 2010-03-25 |
20100072993 | Method of Detecting Carrier Spin Polarisation and Apparatus for the Same - A method of detecting spin polarization in a subject material comprises applying a potential difference across the subject material causing an electrical current to flow across the material, thereby inducing carrier polarization within the material in a direction perpendicular to the direction of current flow, carriers of one spin orientation concentrating at a first edge of the subject material and carriers of the opposite orientation concentrating at a second edge of the material, opposite to the first edge under the action of the Spin Hall Effect (SHE); allowing spin polarized carriers to tunnel into a ferromagnetic material from the subject material in at least a portion adjacent one of the first or second edges of the subject material; and measuring the tunneling magnetoresistance (TMR) between the ferromagnetic material and the subject material at the first or second edge. An apparatus for analyzing carrier spin polarization comprises a subject material; means for applying an electric field to the subject material so as to induce a current to flow through the subject material, thereby inducing spin polarization of carriers at opposing first and second edges of the subject material in a direction perpendicular to the electric field under the action of the spin Hall effect (SHE); a ferromagnetic material in contact with at least a portion adjacent one of the first or second edges of the subject material; and means for measuring the tunneling magnetoresistance between the ferromagnetic material and the subject material at the first or second edge. | 2010-03-25 |
20100072994 | NMR SYSTEMS FOR IN VIVO DETECTION OF ANALYTES - This invention relates generally to NMR systems for in vivo detection of analytes. More particularly, in certain embodiments, the invention relates to systems in which superparamagnetic nanoparticles are exposed to a magnetic field and radio frequency (RF) excitation at or near the Larmor frequency, such that the aggregation and/or disaggregation of the nanoparticles caused by the presence and/or concentration of a given analyte in a biological fluid is detected in vivo from a monitored RF echo response. | 2010-03-25 |
20100072995 | NMR Measurement Method - An NMR measurement method adapted for measurements on solid mixture samples starts with irradiating a pulse sequence to the sample in order to measure the longitudinal magnetization relaxation times of nuclei possessing homogeneous longitudinal magnetization relaxation times (step 1). After a lapse of a given period of time t, a high-resolution NMR spectrum is acquired by nullifying spin diffusion across the nuclei (step 2). The steps 1 and 2 are repeated while varying the period of time t. The high-resolution NMR spectra are classified according to value of longitudinal magnetization relaxation time by inverse Laplace transform. | 2010-03-25 |
20100073016 | Electro-Mechanical Switches and Methods of Use Thereof - One aspect of the invention relates to an ultrathin micro-electromechanical chemical sensing device which uses swelling or straining of a reactive organic material for sensing. In certain embodiments, the device comprises a contact on-off switch chemical sensor. For example, the device can comprises a small gap separating two electrodes, wherein the gap can be closed as a result of the swelling or stressing of an organic polymer coating on one or both sides of the gap. In certain embodiments, the swelling or stressing is due to the organic polymer reacting with a target analyte. | 2010-03-25 |
20100073017 | METHOD FOR OPERATING A HEATABLE EXHAUST GAS PROBE - A method for operating an exhaust gas probe, in particular a lambda probe, in the exhaust gas of an internal combustion engine, where at least one heating element for achieving the operating temperature in the exhaust gas probe and determination of the temperature of the exhaust gas probe is performed by measuring the internal resistance. Measurement of the internal resistance occurs by the superimposition of discrete bipolar test pulses that include a pulse and a counter pulse, and by acquisition of the Nernst voltage. | 2010-03-25 |
20100073018 | ADJUSTABLE PROBE HEAD - An adjustable probe head consists of a probe head enclosing a plurality of test paths with a header that is attached to one of its opposing sides and electrically connected to the test paths. The header may be removably attached to the probe head. The probe head may enclose a board with an attached integrated circuit unit, and there may be a power cable and a signal cable connected to the board. There may be a clip that removably retains the probe head by releasably engaging with at least one of a plurality of slots on the sides of the probe head. The invention also includes a method of acquiring signals from an electrical device mounted on a test board. The electrical device may be a double data rate memory module. | 2010-03-25 |
20100073019 | APPARATUS FOR OBTAINING PLANARITY MEASUREMENTS WITH RESPECT TO A PROBE CARD ANALYSIS SYSTEM - A system and method of mitigating the effects of component deflections in a probe card analyzer system may implement three-dimensional comparative optical metrology techniques to model deflection characteristics. An exemplary system and method combine non-bussed electrical planarity measurements with fast optical planarity measurements to produce “effectively loaded” planarity measurements. | 2010-03-25 |
20100073020 | Probe of electrical measuring instrument - Disclosed is a probe of an electrical measuring instrument including a handle and at least one loop antenna coupled to the handle. A plane defined by the loop antenna is oriented to face an object to be inspected, to detect electrical characteristics in the vicinity of the object. Enhanced accessibility of the probe with respect to the object to be inspected results in an improvement in the accuracy of measured electrical characteristics information and use convenience of the probe by an inspector. | 2010-03-25 |
20100073021 | ELECTRICAL CONTACT PROBE - A contact probe assembly, for placement within a probe receptacle for performing tests on an electrical device, includes the following elements. The hollow barrel has two openings at two opposite ends thereof, wherein the hollow barrel is adapted to be axially disposed within the probe receptacle. The first plunger is slidably disposed within one of the two openings at one end of the hollow barrel. The second plunger is slidably disposed within the other of the two openings at the opposite end of the hollow barrel. The resilient member is disposed within the hollow barrel and interconnected between the first plunger and second plunger, wherein the first plunger, the resilient member and the second plunger are formed as single one unitary member and made of the same electrically-conductive material. | 2010-03-25 |
20100073022 | IN-SITU MONITORING AND METHOD TO DETERMINE ACCUMULATED PRINTED WIRING BOARD THERMAL AND/OR VIBRATION STRESS FATIGUE USING A MIRRORED MONITOR CHIP AND CONTINUITY CIRCUIT - A monitoring system includes a monitor chip or chips soldered to a printed wiring board. By mirroring a function IC chip interface with the monitor chip, the consumed and remaining thermal/and or vibration-fatigue life of the function IC chip based on the life-environment actually experienced through monitoring of the monitor chip is readily determined. The monitor chip includes monitoring interconnections and/or circuitry which determines the number and/or location of failed-open solder terminations of the monitor chip. | 2010-03-25 |
20100073023 | SIGNAL LINES WITH INTERNAL AND EXTERNAL TERMINATION - Embodiments of a memory controller are described. This memory controller communicates signals to a memory device via a signal line, which can be a data signal line or a command/address signal line. Termination of the signal line is divided between an external impedance outside of the memory controller and an internal impedance within the memory controller. The memory controller does not activate the external impedance prior to communicating the signals and, therefore, does not deactivate the external impedance after communicating the signals. The internal impedance of the memory controller can be enabled or disabled in order to reduce interface power consumption. Moreover, the internal impedance may be implemented using a passive component, an active component or both. For example, the internal impedance may include either or both an on-die termination and at least one driver. | 2010-03-25 |
20100073024 | ARCHITECTURE AND INTERCONNECT SCHEME FOR PROGRAMMABLE LOGIC CIRCUITS - An architecture of hierarchical interconnect scheme for field programmable gate arrays (FPGAs). A first layer of routing network lines is used to provide connections amongst sets of block connectors where block connectors are used to provide connectability between logical cells and accessibility to the hierarchical routing network. A second layer of routing network lines provides connectability between different first layers of routing network lines. Additional layers of routing network lines are implemented to provide connectability between different prior layers of routing network lines. An additional routing layer is added when the number of cells is increased as the prior cell count in the array increases while the length of the routing lines and the number of routing lines also increases. Switching networks are used to provide connectability among same and different layers of routing network lines, each switching network composed primarily of program controlled passgates and, when needed, drivers. | 2010-03-25 |
20100073025 | PROGRAMMABLE LOGIC CIRCUIT - A programmable logic circuit includes: an input circuit configured to receive a plurality of input signals; and a programmable cell array including a plurality of unit programmable cells arranged in a matrix form, each of the unit programmable cells including a first memory circuit of resistance change type including a first transistor and a second memory circuit of resistance change type including a second transistor, the first and second memory circuits connected in parallel, each gate of the first transistors on same row respectively receiving one input signal, each gate of the second transistors on same row receiving an inverted signal of the one input signal, output terminals of the first and second memory circuits on same column being connected to a common output line. | 2010-03-25 |
20100073026 | DIE APPARATUS HAVING CONFIGURABLE INPUT/OUTPUT AND CONTROL METHOD THEREOF - A metal configurable I/O structure for an integrated circuit is disclosed. The metal configurable I/O structure may be configured for one of any of a plurality of I/O specifications. Preferably a common voltage reference and a common current reference is generated for provision to a plurality of I/O structures. | 2010-03-25 |
20100073027 | LATCH STRUCTURE, FREQUENCY DIVIDER, AND METHODS FOR OPERATING SAME - A latch includes three circuits. The first circuit drives a first output (QB) to a first level when a first input (D) and a first clock phase (CK) are both low, to a second level when D and CK are both high, and provides high impedance (HI-Z) when different logic levels are applied to D and CK. The second circuit drives a second output (Q) to the first level when a third input (DB) and a complimentary clock phase (CKB) are both low, to the second level when DB and CKB are both high, and provides HI-Z when different logic levels are applied to DB and CKB. The third circuit maintains voltages of Q and QB when the first and second circuits provide HI-Z at Q and QB. Odd-number dividers constructed with such latches produce 50% duty cycle operation without restricting output pulse widths to integer multiples of input periods. | 2010-03-25 |