42nd week of 2009 patent applcation highlights part 15 |
Patent application number | Title | Published |
20090256425 | Master/slave outlet system - A master/slave outlet system includes at least one master outlet and at least one slave outlet. Moreover, the slave outlet is turned on to start the device connected to the slave outlet, while the master outlet supplies enough current to the device connected to the master outlet. Furthermore, the slave outlet is turned off to close the device connected to the slave outlet, while the device connected to the master outlet is shutdown or at sleep mode. | 2009-10-15 |
20090256426 | SYSTEM AND METHOD FOR MANAGING POWER SUPPLY TO A CIRCUIT BREAKER CONTROL UNIT - A system for controlling power in a circuit breaker trip unit is disclosed. The system includes: a user interface operably coupled to the trip unit and having a plurality of input keys; a power conditioner operably coupled to the user interface and operably coupled to a battery power source and an external power source; and a power control circuit. The power control circuit is configured to automatically electrically connect the battery power source to the power conditioner in response to activation of any of the plurality of input keys, and in the absence of an electrical connection between the external power source and the power conditioner. | 2009-10-15 |
20090256427 | MODULE FOR CONTROLLING A SWITCH IN A HIGH VOLTAGE ELECTRICAL SUBSTATION - There is provided a method for operating a control module of a high voltage switch, the method comprising: interfacing with an external environment via an input/output unit that filters each electrical signal passing therethrough; analyzing incoming signals and triggering actions as a function of the incoming signals via a logical unit; powering the control module via an internal power unit that is supplied by an external power supply; and isolating the logical unit from the power unit and the input/output unit by having all signals coming from these units and directed to the logical unit pass through an isolation unit. | 2009-10-15 |
20090256428 | Linear Motor with Force Ripple Compensation - The invention relates to a primary component ( | 2009-10-15 |
20090256429 | PERMANENT MAGNET GENERATOR - A permanent magnet generator induces induction electromagnetic charge at the tip of the conductor with variable cross section using the permanent magnetic field and outputs induction electromagnetic charge current and electrical energy so as to be able to generate electricity permanently without any external energy. The permanent magnet generator includes an induction electromagnetic charge generator ( | 2009-10-15 |
20090256430 | Manufacture of electric motor component - The modular conical stator pole provides an improved conical stator assembly on electrical machines. The improved conical stator pole assembly comprises a plurality of stator poles, each pole comprising an assembly having a coil secured on a soft magnetic composites (SMC) stator pole tooth by inserting a winding support through the open core of the coil and attaching a back iron and a stator face to either end of the winding support. Each stator pole having a parallelogram shaped cross section for forming a conical shaped rotor space when the stator poles are assembled having the back irons bearing against each other to space the coils apart and form a conical shaped outside profile of the stator pole assembly. The conical stator having a small end and a big end. The tooth comprising a winding support integrally molded with either the back iron or the face. | 2009-10-15 |
20090256431 | Stator arrangement, generator and wind turbine - A stator arrangement of a generator for a wind turbine includes a plurality of stator segments substantially forming the stator of the generator. Each stator segment has at least one stator winding and/or a laminate stack of sheets wherein each stator segment is moulded or casted into a material with an electrical insulating property and/or with a non-corroding quality and/or with a heat conductive property. The direct drive generator is also provided having such a stator arrangement and a wind turbine is provided having such a direct drive generator. | 2009-10-15 |
20090256432 | Motor - A motor is disclosed, which includes: a rotor, to an inside of which a magnet is coupled, and from a center portion of which a tube-shaped cylindrical portion protrudes out; a shaft, which has one end coupled to the cylindrical portion, where the outer diameter of the one end of the shaft is greater than that of the other side; a holder, which supports the other end of the shaft, and which has a portion inserted in the cylindrical portion; a bearing, which is positioned between the holder and the other end of the shaft, and which rotatably supports the other end of the shaft; a stator, which is adjacent to the magnet, and which has a coil wound around a portion; and a base, which supports the holder. This motor may be utilized to better maintain verticality in the shaft of the motor and prevent wobbling in the disk. | 2009-10-15 |
20090256433 | Generator with a stator comprising cooling ducts, and method for cooling a laminated stator of a generator - A generator, for example of a wind turbine, includes two end plates and a plurality of stator laminate plates arranged between the two end plates, is described. Each laminate plate and each end plate comprise a number of cooling holes which are located such that the cooling holes of the laminate plates and the cooling holes of the end plates are aligned with each other to form a number of cooling ducts by the stator material itself. Furthermore, a method for cooling a laminated stator of a generator is described having a cooling fluid guided via a tubing from a cooling fluid reservoir into at least one a partly open cooling duct in the laminated stator. | 2009-10-15 |
20090256434 | Liquid-Cooled Machine - A machine includes an inner air-cooled rotor and an outer liquid-cooled stator, in which the stator includes a radial cooling arrangement arranged to convey a cooling liquid radially in the stator. | 2009-10-15 |
20090256435 | Device and Method to Clamp and Lock Permanent Magnets and Improve Cooling within a Rotating Electrical Machine - A device to hold at least one magnetic flux producing permanent magnet onto a surface of an electrical machine comprising at least one slot recessed from the surface and extending from one end of the surface; and at least one gripping bar inserted into an associated at least one slot having a protrusion extending past the surface to engage at least one magnet where at least one slot and at least one gripping bar are shaped to retain the at least one gripping bar within the associated at least one slot to hold the at least one engaged magnet onto the surface. | 2009-10-15 |
20090256436 | Alternator stator assembly structure - The alternator stator assembly structure with outwardly extending wire is disclosed. The alternator stator assembly structure comprises a stator, a rotor, a rectifier and a plurality of connecting components. The stator comprises a plurality of conducting wires extended outwardly thereon. The rotor is passed through the stator. The rectifier is disposed on the stator and has a plurality of connecting portion. Each connecting component has a base and a constraining wall, and the base is engaged and electrically connected to corresponding connecting portion by concavo-convex engagement or screwing, and the conducting wire is fastened by clamping of the constraining wall for adjusting or welding conveniently, so that the stator and the rotor can connect electrically. | 2009-10-15 |
20090256437 | MOTOR MODULE - First and second connection mechanisms electrically connect power cables extending in the same direction to first and second electric motor neighboring to each other in the extending direction of the power cables, respectively. The first connection mechanism of the first electric motor is arranged in a radially outer portion, and the second connection mechanism of the second electric motor is arranged in a space between the electric motors. Since both the connection mechanisms are located on the opposite sides of a joint surface between the first and second casings accommodating the first and second motors, respectively, the first and second connection mechanisms can be components on the first and second casing sides, respectively. This structure can prevent increase in size in a rotation axis direction, and can improve assembly workability for the motors. | 2009-10-15 |
20090256438 | STATOR, MOTOR, AND METHOD OF MANUFACTURING STATOR - A stator core of a stator has a plurality of teeth extending radially. A plurality of connector pins project from a partition plate. Wires each have a wire connection portion drawn out from the corresponding one of coils. Each wire is electrically connected to the corresponding connector pins by winding the wire connection portions around the connector pins. | 2009-10-15 |
20090256439 | ELECTRIC POWER COLLECTION/DISTRIBUTION RING OF ROTARY ELECTRIC MACHINE - An electric power collection/distribution ring of a rotary electric machine including: a plurality of ring shaped bus rings each of which is to be connected to one of a plurality of coils provided in the rotary electric machine, the coils each corresponding to phases of the rotary electric machine; a plurality of fixing member which are fixed to the bus rings and arranged along the circumferential direction thereof; and a plurality of connection terminals which are fixed to the bus rings and arranged along said circumferential direction, and which can be connected with one of leader line sections of the coils. | 2009-10-15 |
20090256440 | Actuator with electrical equipment enclosed in a separate enclosure made of a fire resistant - An electrical actuator comprising a housing of plastic with a reversible low voltage motor ( | 2009-10-15 |
20090256441 | Motor structure - The present invention relates to a motor structure, which includes a base having a shaft tube centrally, in which a bottom portion of the shaft tube is sealed for placing a bearing therein, and at least a reference plane is provided on the outer periphery of the shaft tube; a rotor having a spindle disposed centrally therein for passing through the bearing and rotating therein; a stator module disposed on the outer periphery and positioned on the reference plane. Besides, an urging part is disposed on an inner periphery of the top insulation sleeve of the stator module to urge against the bearing so that the precise assembling position of the stator module can be definitely defined to prevent the bearing from getting loose due to high assembling position and to prevent the fracture of the urging part due to low assembling position. | 2009-10-15 |
20090256442 | Generator and wind turbine - A generator for a wind turbine including a rotor arrangement and a stator arrangement is provided. The rotor arrangement includes a cylinder barrel or a sleeve enclosing a rotor element provided for the production of energy and having an outer cylinder barrel shaped surface in relation to a centre axis of the generator acting as a bearing surface of the rotor arrangement. The stator arrangement includes a cylinder barrel or a sleeve covering a stator element provided for the production of energy and having an inner cylinder barrel shaped surface in relation to the centre axis of the generator acting as a bearing surface of the stator arrangement. The bearing surfaces of the rotor arrangement and the stator arrangement are arranged oppositely to each other with a substantially cylinder barrel shaped air gap in-between, wherein the air gap comprises a lubricant. Also, a wind turbine including a generator is provided. | 2009-10-15 |
20090256443 | HOLLOW RING TORUS MAGNET GENERATOR - A hollow ring torus permanent magnet generator, with a sphere shaped permanent magnet which spins/revolves within the hollow ring torus passing through insulated copper magnet wire windings which are wound around the exterior portion of the ring torus shaped body which, has two or more coils that said sphere magnet passes through forcing electrons through insulated copper coils which, produces electrical current sufficient to power light emitting diodes or a number of low voltage electrical device. Can be encapsulated within a number of devices i.e., flashlight body, fishing lure body or mounted on the axis of a device i.e., spinning fan blade, tire to produce low voltage as the device spins or moves in a rolling motion allowing the sphere magnet to pass through the insulated copper coil windings. | 2009-10-15 |
20090256444 | SURFACE ACOUSTIC WAVE DEVICES - A surface acoustic wave device has a supporting substrates, a propagation substrate | 2009-10-15 |
20090256445 | ULTRASONIC MOTOR AND ULTRASONIC VIBRATOR - An ultrasonic motor includes a driven object, a piezoelectric element for driving the driven object, a vibration plate including a notch having an inner peripheral surface of an arc-shaped form having a central angle larger than 180 degrees and being vibrated by the piezoelectric element, and a contact portion made of a material different from that of the vibration plate, having a portion overlapping the piezoelectric element in a plan view and being smaller in thickness than the piezoelectric element, attached to the notch of the vibration plate by press fitting or forced fitting and being in contact with the driven object. Thereby, the ultrasonic motor can have a high shock resistance and a high wear resistance, and can be driven with high efficiency. | 2009-10-15 |
20090256446 | ULTRASONIC MOTOR - An ultrasonic motor, which rotates a rotor by elastic movement generated by simultaneously exciting vertical oscillation and twisted oscillation in an ultrasonic oscillator, by using expanding and contracting oscillations of a multilayer piezoelectric element formed by laminating two kinds of piezoelectric sheet, is configured as follows. Namely, the multilayer piezoelectric element is formed by alternately laminating a first piezoelectric sheet and a second piezoelectric sheet. The first piezoelectric sheet is provided with a first internal electrode, which is divided into two or more parts, and each divided part is exposed to a peripheral edge of the piezoelectric sheet. The second piezoelectric sheet is provided with an internal electrode, which has a polarity reverse to the first internal electrode, and is divided into two or more parts, and each divided part is exposed to a peripheral edge of the piezoelectric sheet. | 2009-10-15 |
20090256447 | FERROELECTRIC ENERGY GENERATOR, SYSTEM, AND METHOD - Embodiments of the present invention provide methods and energy generators that generate electrical energy through direct explosive shock wave depolarization of at least one ferroelectric element. In one embodiment, a generator ( | 2009-10-15 |
20090256448 | Bracing Element and Piezoelectric Actuator with the Bracing Element - A bracing element for bracing a piezoelectric multiple layer component includes a tubular body that is at least partially corrugated. A piezoelectric actuator with the bracing element is also disclosed. | 2009-10-15 |
20090256449 | PIEZOELECTRIC VIBRATING DEVICES AND METHODS FOR MANUFACTURING SAME - An exemplary piezoelectric device includes a base having a first connection electrode electrically connected to an external electrode. A second connection electrode is connected to the first connection electrode on a first main surface of a supporting member affixed to the base. A third connection electrode, formed on a second main surface of the supporting member, is electrically connected to the second connection electrode. A piezoelectric vibrating piece is affixed to the supporting member by application of an adhesive applied to the third connection electrode. The piezoelectric vibrating piece and includes excitation electrodes. A convexity is located and extends in a designated direction relative to the third connection electrode to prevent applied adhesive from spreading beyond a designated area of the piezoelectric vibrating piece. | 2009-10-15 |
20090256450 | Tire actuated generator for use on cars - A tire actuated generator for use on a car has a pair of wheels making contact with the rear tire. One wheel from the pair of wheels is at the leading side of the tire. One wheel from the pair of wheels is at the trailing side of the tire. Each of the wheels is directly connected to a generator. In a preferred embodiment, each of the wheels are also frictionally coupled to an other wheel, the other wheel being connected to a generator. | 2009-10-15 |
20090256451 | ARRANGEMENT FOR GENERATING A NON-LINEAR FORCE OR TORQUE CURVE - The invention relates to an actuator device comprising a headpiece ( | 2009-10-15 |
20090256452 | HYDROSTATIC ENERGY GENERATION UNIT - The invention relates to a power generating unit, comprising
| 2009-10-15 |
20090256453 | LATCH-TYPE LOCATING DEVICE - A latch-type locating device including an outer sleeve having an annular engaging section formed at a front end thereof; an inner sleeve movably telescoped in the outer sleeve; a linking unit including a connecting rod located in the outer sleeve, an actuating rod connected to a front end of the connecting rod and fitted in the inner sleeve to interfere with the same, and a flange formed at a rear end of the connecting rod; a cap member being engaged with the flange of the linking unit; and an elastic element fitted around the connecting rod of the linking unit. The inner sleeve may be driven by the cap member and linking unit to extend from or retract into the outer sleeve to thereby lock an article in place or release the article. | 2009-10-15 |
20090256454 | Containers and container system - A container assembly, comprises a container, at least one compartment constructed and arranged to be carried by the container, a plurality of extendable legs operatively connected with the container, and a lock assembly. The at least one compartment is configurable between an open configuration and a closed configuration. The plurality of extendable legs support the container at a selected height. The lock assembly locks the legs and hence the container at the selected height. | 2009-10-15 |
20090256455 | RAIL ASSEMBLY - A rail assembly has at least two hangers, a base and a rail body. Each hanger is a straight slot and has a narrow side and a clamp side longitudinal forming on the hanger. The clamp side is wider than the narrow side. The base has a base body and at least two mounting troughs. The mounting troughs are securely mounted on the base body and each mounting trough corresponds to and is slidably mounted on one of the hangers. The rail body is mounted on the base body. It is only to hang the assembled rail body with the base onto the hangers for assembling the rail assembly without using any tool, so to assemble the rail assembly is easy and convenient. | 2009-10-15 |
20090256456 | RAIL ASSEMBLY - A rail assembly has a bracket, a base, a rail body and at least one bolt. The bracket is securely mounted on a surface of a furniture and has a top surface, a fastening tab protruding from the top surface and at least one fixing hole. The fixing hole is formed through the fastening tab. The base has a bottom surface, a mounting tab protruding from the bottom surface of the base and at least one mounting hole, wherein the bottom surface and the mounting tab correspond to the top surface and the fastening tab. The mounting hole is formed through the mounting tab. The rail body is securely mounted on the base. Accordingly, the rail assembly can be conveniently assembled without using any tool. | 2009-10-15 |
20090256457 | ELECTRON BEAM APPARATUS AND IMAGE DISPLAY APPARATUS USING THE SAME - There is provided a new electron beam apparatus which improves the instability of an electron emission characteristic and provides a high efficient electron emission characteristic. The electron beam apparatus includes: an insulating member having a recess on its surface; a cathode having a protruding portion extending over the outer surface of the insulating member and the inner surface of the recess; a gate positioned at the outer surface of the insulating member in opposition to the protruding portion; and an anode positioned in opposition to the protruding portion through the gate. | 2009-10-15 |
20090256458 | Light-emitting diode illuminating equipment with high power and high heat dissipation efficiency - The invention provides light-emitting diode illuminating equipment with high power and high heat-dissipation efficiency. In particular, the light-emitting diode illuminating equipment, according to the invention, is very suitable to be used as a street lamp. | 2009-10-15 |
20090256459 | LED ILLUMINATING DEVICE AND LIGHT ENGINE THEREOF - An LED illuminating device includes an optical section, an electrical section, and a heat dissipation section therebetween. The optical section includes a light source. The electrical section electrically connects with the light source. The heat dissipation section includes a mounting seat, a heat pipe and a heat sink. The heat pipe includes an evaporation section fixed on the mounting seat and thermally connecting with the light source and a condenser section. The heat sink includes a plurality of umbrella-shaped fins each including a main body perpendicular to the condenser section of the heat pipe and two flanges angling downward from two opposite edges of the main body towards the light source. A plurality of air venting holes are defined in the main body and the flanges of each fin. | 2009-10-15 |
20090256460 | METHOD FOR PREVENTING OR REDUCING HELIUM LEAKAGE THROUGH METAL HALIDE LAMP ENVELOPES - A lamp and method for the reduction of gas loss in a high temperature lamp includes providing a light source and a surrounding shroud, using a fill gas outside of the light source and inside the shroud having a thermal conductance greater than nitrogen, and modifying the shroud so that it contains at least 20% of the initial fill gas for at least the rated life of lamp operation. The shroud is preferably modified by one or more of selecting the shroud material, controlling the thickness of the shroud, providing a coating on the shroud, and the selection of the fill gas. | 2009-10-15 |
20090256461 | CERAMIC SPARK PLUG INSULATOR AND METHOD OF MAKING - An insulator for a spark ignition device is disclosed which includes an electrically insulating ceramic core tube having a terminal end, a firing end and an inner bore which extends along a longitudinal bore axis from the terminal end to the firing end and an electrically insulating, ceramic core nose tube having a second outer surface and a second bore where the second outer surface of said ceramic core nose tube is in nested engagement with and directly bonded to the bore of the ceramic core tube proximate the firing end. The insulator also may include a similarly nested and directly bonded shoulder tube on an outer surface of the core tube, or a nested and directly bonded mast tube on an outer surface of the core tube. The ceramics may include alumina-based ceramics, as well other suitable ceramic materials, and the tube may be made from the same ceramic compositions or different ceramic compositions. The invention also includes a method of making the nested tube, directly boded insulators by controlling shrinkage during sintering. | 2009-10-15 |
20090256462 | Electron emission device and display device using the same - An electron emission device includes a cathode electrode and a gate electrode, the gate electrode is separated and insulated from the cathode electrode, the gate electrode is a carbon nanotube layer, and the carbon nanotube layer includes a plurality of carbon nanotube wire-like structures. A display device that includes the electron emission device is also disclosed. | 2009-10-15 |
20090256463 | Electron emission device and display device using the same - An electron emission device includes a cathode electrode and a gate electrode, the gate electrode is separated and insulated from the cathode, the gate electrode is a CNT layer, and the CNT layer includes at least a carbon nanotube film and a plurality of carbon nanotube reinforcement structures. A display that includes the electron emission device is also disclosed. | 2009-10-15 |
20090256464 | ELECTRON BEAM APPARATUS AND IMAGE DISPLAY APPARATUS USING THE SAME - The present invention provides an electron beam apparatus provided with an electron-emitting device which has a simple structure, shows high electron-emitting efficiency and stably works. This electron beam apparatus has an insulating member and a gate formed on a substrate, a recess portion formed in the insulating member, a protruding portion that protrudes from an edge of the recess portion toward the gate and is provided on an end part of a cathode opposing to the gate, which is arranged on the side face of the insulating member; and makes an electric field converge on an end part in the width direction of the protruding portion to make an electron emitted therefrom. | 2009-10-15 |
20090256465 | Green phosphor and display device including the same - A green phosphor including a first phosphor represented by Formula 1: | 2009-10-15 |
20090256466 | ELECTRODLESS GLOBE FLORESCENT LAMP WITH HIGH LUMINANT EFFICIENCY - The present invention comprises a globe shield and an inner disposed inside the shield, between which a low-pressured plasmic arc discharging zone is enclosed. Further, a glass division device near the inner in the discharging zone is coated with fluorescent powder on the surface thereof and is formed by glass or sheet glass having at least one opening defined on the glass to ensure the passage of air. The present invention advantages preferable ruminant efficiency as 15 to 20% higher as that of the conventional products, increasing the thermal resistance between the high-temperature circular discharging zone of the plasmic arc and the power coupler to decrease the heat generated by the corresponding radiation conduction for the inner, so that a large power is enabled by the present invention, accomplishing a performance of 200-300 W of the lighting power, and attaining a 75-85 Lm/W of the ruminant efficiency. | 2009-10-15 |
20090256467 | LIGHT EMITTING APPARATUS AND METHOD FOR MANUFACTURING THE SAME - The purpose of the invention is to improve reliability of a light emitting apparatus comprising TFTs and organic light emitting elements. The light emitting apparatus according to the invention having thin film transistors and light emitting elements, comprises; a second inorganic insulation layer on a gate electrode, a first organic insulation layer on the second inorganic insulation layer, a third inorganic insulation layer on the first organic insulation layer, an anode layer formed on the third inorganic insulation layer, a second organic insulation layer overlapping with the end of the anode layer and having an inclination angle of 35 to 45 degrees, a fourth inorganic insulation layer formed on the upper surface and side surface of the second organic insulation layer and having an opening over the anode layer, an organic compound layer formed in contact with the anode layer and the fourth inorganic insulation layer and containing light emitting material, and a cathode layer formed in contact with the organic compound layer containing the light emitting material, wherein the third inorganic insulation layer and the fourth inorganic insulation layer are formed with silicon nitride or aluminum nitride. | 2009-10-15 |
20090256468 | Novel organic electroluminescent compounds and organic electroluminescent device using the same - The present invention relates to novel organic electroluminescent compounds, and organic electroluminescent devices employing the same in an electroluminescent layer. Specifically, the organic electroluminescent compounds according to the invention are characterized in that they are represented by Chemical Formula (1) or Chemical Formula (2): | 2009-10-15 |
20090256469 | THIN FILM TRANSISTOR, METHOD OF FABRICATING THE SAME AND ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE HAVING THE SAME - A thin film transistor, a method of fabricating the same, and an OLED display device having the same. The thin film transistor includes a substrate, a semiconductor layer disposed on the substrate and having a channel region, source and drain regions, and a body contact region, a gate insulating layer disposed on the semiconductor layer to expose the body contact region, a silicon layer disposed on the gate insulating layer and contacting the body contact region exposed by the gate insulating layer, a gate electrode disposed on the silicon layer, an interlayer insulating layer disposed on the gate electrode, and source and drain electrodes disposed on the interlayer insulating layer and electrically connected with the source and drain regions, wherein the body contact region is formed in an edge region of the semiconductor layer. | 2009-10-15 |
20090256470 | ORGANIC ELECTROLUMINESCENCE APPARATUS - An organic electroluminescence apparatus includes a support substrate having a pixel region on one surface thereof; a plurality of pixels arranged in the pixel region; organic electroluminescence devices each having at least a first electrode layer, an emission layer, and a translucent second electrode layer stacked in this order in each of the plurality of the pixels; and an auxiliary wiring layer having a stripe-like patter or a grid-like pattern and disposed on the upper side or the lower side of the second electrode layer so as to be in contact with the second electrode layer. The apparatus emits light emitted from the organic electroluminescence device from the side where the second electrode layer is disposed, the second electrode layer is disposed over the entire or approximately the entire pixel region, and the auxiliary wiring layer is formed of a metal layer having a thickness capable of achieving translucency and is disposed so as to, in the plan view, overlap at least part of the organic electroluminescence device of each of the plurality of the pixels. | 2009-10-15 |
20090256471 | ORGANIC LIGHT EMITTING DIODE MODULE - An organic light emitting diode display module having packaging which protects one or more integrated circuits is disclosed. The packaging has first and second frames which enclose the display and connect to one another. The frames cover and protect the periphery of the light emitting device and the integrated circuits for the light emitting device. | 2009-10-15 |
20090256472 | THREE-DIMENSIONAL LIGHTING STRUCTURE UTILIZING LIGHT ACTIVE TECHNOLOGY - A structure and method for three-dimensional lighting using light active technology. The structure has one or more sheets of light active material, which each sheet of the one or more sheets of light active material having a plurality of lighting elements. The structure additionally has one or more folding elements along which the one or more sheets of light active material are operable to be folded to create a three-dimensional lighting structure. A power supply element can then be used to provide power to the plurality of lighting elements. A fastening element is operable to fasten together the one or more sheets of light active material at one or more fastening points to retain the three-dimensional lighting structure created by folding the one or more sheets of light active material along the one or more folding elements. | 2009-10-15 |
20090256473 | BIPYRIDINE-BASED COMPOUND AND ORGANIC LIGHT EMITTING DIODE EMPLOYING ORGANIC LAYER COMPRISING THE SAME - The invention is directed to bipyridine-based compound and organic light emitting diodes (OLED) including organic layers having the bipyridine-based compound. OLEDs including organic layers having the bipyridine-based compounds can have low driving voltages, high current densities, high efficiencies and long lifetimes. | 2009-10-15 |
20090256474 | DISPLAY DEVICE AND METHOD OF MAKING DISPLAY DEVICE - A display device with increased lifespan is presented. The device includes a plurality of thin film transistors, a passivation layer formed on the thin film transistors, a plurality of pixel electrodes formed on the passivation layer and electrically connected to the thin film transistors, and a wall dividing the pixel electrodes. The wall has a main section and an auxiliary section that is lower than the main section. A caved-in section is disposed between the main section and the auxiliary section. An organic layer is formed on the pixel electrodes. | 2009-10-15 |
20090256475 | POLYMER COMPOUND AND POLYMER LIGHT EMITTING DEVICE - A polymer compound comprising a repeating unit of the following formula (I) and a repeating unit of the following formula (II): | 2009-10-15 |
20090256476 | OLEDS DOPED WITH PHOSPHORESCENT COMPOUNDS - Organic light emitting devices are disclosed which are comprised of a heterostructure for producing electroluminescence wherein the heterostructure is comprised of an emissive layer containing a phosphorescent dopant compound. For example, the phosphorescent dopant compound may be comprised of platinum octaethylporphine (PtOEP), which is a compound having the chemical structure with the formula: | 2009-10-15 |
20090256477 | ORGANIC LIGHT EMITTING DEVICE AND MANUFACTURING METHOD THEREOF - The present invention relates to an organic light emitting device including a substrate, a first pixel electrode disposed on the substrate, a second pixel electrode disposed on the first pixel electrode and having a groove, a partition disposed on the second pixel electrode and having an opening exposing the groove, an organic light emitting member, and a common electrode disposed on the partition and the organic light emitting member. At least a portion of the organic light emitting member is disposed in the groove. The partition overlaps the groove to form a gap, and at least a portion of the organic light emitting member is disposed in the gap. | 2009-10-15 |
20090256478 | PLASMA DISPLAY PANEL AND METHOD OF MANUFACTURING THE SAME - A PDP to improve a discharge delay includes X and Y electrodes, a dielectric layer covering the X and Y electrodes, and a protective layer covering the dielectric layer. The protective layer includes an MgO film stacked on a surface of the dielectric layer, and a plurality of MgO crystal particles attached on the MgO film. In addition, a covering ratio of a surface of the MgO film is lower than or equal to 10%, and the plurality of MgO crystal particles are arranged so that orientations of surfaces opposing to the discharge space are aligned. Further, the plurality of MgO crystal particles have a cubic form. | 2009-10-15 |
20090256479 | PLASMA DISPLAY PANEL - A plasma display panel is disclosed. The plasma display panel includes a front substrate, a rear substrate facing the front substrate, barrier ribs positioned in an active area, and a sealant disposed between the front substrate and the rear substrate in a dummy area. The rear substrate includes a dielectric layer. The dielectric layer in the dummy area includes a first portion having a first thickness and a second portion having a second thickness. The first thickness is different from the second thickness. | 2009-10-15 |
20090256480 | LAMP AND LIQUID CRYSTAL DISPLAY HAVING THE SAME - A lamp and a liquid crystal display including the lamp, the lamp including a lamp tube into which a discharge gas is injected, an internal electrode portion disposed at each of a first end and a second end at an inner side of the lamp tube, an electrode lead connected to each of the internal electrode portions and extending to an exterior side of the lamp tube, and a transparent cap disposed on outer surface of each of the first end and the second end of the lamp tube. | 2009-10-15 |
20090256481 | STAND ALONE LAMP FILAMENT PREHEAT CIRCUIT FOR BALLAST - A lamp filament preheating circuit using modified flyback topology which gives pulsating AC in the secondary of the flyback transformer. The circuit may be controller based or implemented by a monoshot and astable multivibrator. A self-oscillation, parallel resonant current fed half bridge inverter circuit may include an arc sensing circuit. | 2009-10-15 |
20090256482 | Incandescent Light Bulb - An improved incandescent light bulb is described utilizing a textured surface filament design to improve efficacy, longevity and color temperature. Embodiments include a low voltage halogen bulb which may be mounted in a fixture containing power condition and altering circuitry. The fixture may be made so as to allow the textured filament bulb to be replaceable. The fixture may also be made so as to fit in a standard household lamp socket as a replacement for existing high voltage incandescent bulbs. | 2009-10-15 |
20090256483 | Load Control Device Having a Visual Indication of an Energy Savings Mode - A load control system (e.g., a dimmer switch) operates in a normal mode of operation and an energy-saver mode and displays a visual indication when the system is operating in the energy-saver mode. The system comprises a controllably conductive device adapted to be coupled in series between a power source and a lighting load, a control circuit operatively coupled to the controllably conductive device for adjusting the intensity of the lighting load, and a visual indicator for providing the visual indication that the system is in the energy-saver mode of operation. The control circuit controls the intensity of the lighting load between a minimum intensity and a first maximum intensity when the system is in the normal mode of operation, and between the minimum intensity and a second maximum intensity less than the first maximum intensity when the system is in the energy-saver mode. | 2009-10-15 |
20090256484 | LOAD CONTROL DEVICE HAVING A COMPACT ANTENNA - A load control device for controlling the power delivered to an electrical load, the load control device comprising a controllably conductive device for controlling the power delivered to the electrical load, the controllably conductive device having a control input; a controller coupled to the control input of the controllably conductive device for control of the controllably conductive device; a transmitter and/or a receiver in communication with the controller; a substantially-planar mounting yoke adapted to receive a traditional-style faceplate mounted thereto; an actuator button for providing an input to the controller, the actuator button mounted relative to the yoke, such that the actuator button is adapted to extend through an opening of the traditional-style faceplate when the faceplate is attached to the yoke; and an antenna coupled to the transmitter and/or receiver, the antenna adapted to receive a first signal at a specified frequency from a remote control device and/or transmit a second signal at a specified frequency to a remote control device, the receiver operable to couple the first signal from the antenna to the controller for remotely controlling the controllably conductive device, and/or the transmitter operable to couple the second signal from the controller to the antenna, the antenna comprising: a printed circuit board having first and second sides disposed in a plane perpendicular to the mounting yoke; a first loop of conductive material having a capacitance and an inductance, the capacitance and the inductance forming a circuit resonant at the specified frequency, the first loop formed on the first side of the printed circuit board; and a second loop of conductive material having two ends adapted to be electrically coupled to the transmitter and/or receiver, the second loop formed on one of the sides of the printed circuit board and magnetically coupled to the first loop; wherein the antenna is positioned inside and behind the actuator button and is adapted to extend through the opening of the faceplate beyond the front surface of the faceplate when the faceplate is attached to the mounting yoke. | 2009-10-15 |
20090256485 | Decorative light string - A decorative light string has a power connector, at least one lightening unit and a rectifier. The lightening unit is electrically connected to the power connector and has an incandescent bulb set and an LED set. The incandescent bulb set has a primary wire and multiple incandescent bulbs. The LED set has a secondary wire and multiple LEDs. The incandescent bulbs and LEDs are respectively electrically connected to the primary and the secondary wire. The secondary wire is electrically connected and intertwined with primary wire. At least one of the incandescent bulbs of the incandescent bulb set is placed between each two of the LEDs. The rectifier is electrically connected the power connector and each LED set in series. The decorative light string has an advantage of preventing snow to veil LEDs by the heat from the incandescent bulbs when used in the snows. | 2009-10-15 |
20090256486 | Light Dimming Device for Compact Fluorescent Lamp - A light dimming device for compact fluorescent lamp includes a rectifying circuit for rectifying an AC current signal into a zero crossing voltage signal and outputting it to a current limiting circuit; the current limiting circuit for limiting the zero crossing voltage signal and sending the current limited zero crossing voltage signal to a voltage regulating and filtering circuit and a first comparator; the voltage regulating and filtering circuit for regulating the current limited signal and sending the regulated current limited signal to a reference voltage generating circuit and a current controller; a reference voltage generating circuit for generating a reference voltage signal upon receiving the regulated current limited signal and sending the reference voltage signal respectively to the first comparator and a second comparator; a current controller for controlling the amount of a charging current of a capacitor; the first comparator for outputting a low voltage level signal to the capacitor after receiving the zero crossing voltage signal and the reference voltage signal to discharge the capacitor; the second comparator for outputting a drive signal to the drive circuit after receiving the discharging signal to turn on a power switch; the filter circuit for converting the discharging signal of the capacitor into a steady DC current signal and transferring the DC current signal to the compact fluorescent lamp so as to let the compact fluorescent lamp generate light of different luminance according to the amount of the DC current signal. | 2009-10-15 |
20090256487 | Method for detection of non-zero-voltage switching operation of a ballast of fluorescent lamps, and ballast - A method detects a non-zero-voltage switching operation of a lamp ballast, the lamp ballast including a half-bridge circuit with a first and a second semiconductor switching element, a resonant circuit connected to the half-bridge circuit, and a snubber capacitance connected in parallel with one of the semiconductor switching elements. The method includes obtaining a voltage measurement signal representative of a voltage at an output of the half-bridge circuit. The method also includes providing a comparison signal representative of a comparison of the voltage measurement signal with a reference value. The method further includes evaluating the comparison signal in each case before the first semiconductor element is switched on and in each case before the second semiconductor element is switched on, and detecting one of a first and second non-zero-switching operations based on these evaluations. | 2009-10-15 |
20090256488 | High intensity discharge strobe light - A high intensity discharge (HID) lamp is operable as a stroboscopic light source by reducing power and maintaining constant polarity at the lamp for a period of dimmed operation and exciting the lamp with aperiodic polarity reversals for a run up period before returning the lamp to steady state operation. | 2009-10-15 |
20090256489 | Fluorescent light control - Circuitry, which is compatible with incandescent light dimmers, is disposed within the screwbase of a compact fluorescent light, and sets driving frequencies for a mercury plasma, based, at least in part, on sensing the duty cycle of the incoming AC supply waveform. In this way, existing lighting infrastructure, including phase-cut dimmer circuits for incandescent light bulbs, may be preserved, and incandescent bulbs can be replaced with compact fluorescent lights equipped with circuitry in accordance with the present invention. In a further aspect, the circuitry synchronizes the bulb drive signals with the AC power line frequency. | 2009-10-15 |
20090256490 | VOLTAGE SENSING CIRCUITS AND METHODS FOR INVERTERS - A voltage sensing circuit includes a voltage divider and a voltage rectifier. The voltage divider divides a first output voltage on a first output voltage line to a first divided output voltage. The voltage divider comprises a first metal foil and a first capacitor. The first metal foil and the first output voltage line can form a first capacitive component. The first capacitive component is coupled in series with the first capacitor. The first capacitive component and the first capacitor can generate the first divided output voltage. The voltage rectifier is coupled to the voltage divider and can rectify the first divided output voltage to a sensing voltage indicative of the first output voltage. | 2009-10-15 |
20090256491 | Method for Operating a Gas Discharge Lamp - The invention relates to a method for operating a gas discharge lamp, in which the shape of at least one electrode of the gas discharge lamp is changed, in which by changing the lamp current for a predeterminable duration, at least one current pulse is generated such that structures which have grown on the at least one electrode are at least partially removed, the current pulse being generated for the duration of at least one entire half cycle of the AC voltage or the alternating current if the gas discharge lamp is fed AC voltage or alternating current, and the current pulse being generated with a pulse duration of between approximately 0.1 s and approximately 5 s if the gas discharge lamp is fed DC voltage or direct current. | 2009-10-15 |
20090256492 | Light Source Module, Light Source Assembly Having the Same and Display Device Having the Light Source Module - A light source module includes a power transmission substrate and a plurality of point light sources. The power transmission substrate has a plurality of dimming areas disposed along a first direction. The point light sources are spaced apart from each other in each dimming area along the first direction and receive driving power applied to each dimming area through the power transmission substrate and generate light. A spatial interval between the point light sources in the first direction is greater in dimming areas more distant from the center of the power transmission substrate than in dimming areas closer to the center of the power transmission substrate. | 2009-10-15 |
20090256493 | Driving circuit for display device, and test circuit and test method for driving circuits - A driving circuit, which drives a display panel in a voltage range between a high negative voltage and a high positive voltage, includes: an electric charge discharging circuit; and a test external terminal. The electric charge discharging circuit connects a first terminal supplied with the high negative voltage to a second terminal of a ground voltage in response to a drop of a power source voltage. The test external terminal is connected to the electric charge discharging circuit. The high negative voltage is supplied to the semiconductor substrate. The electric charge discharging circuit interrupts a connection between the first terminal and the second terminal based on a control signal from the test external terminal. | 2009-10-15 |
20090256494 | GaN-BASED SEMICONDUCTOR LIGHT-EMITTING ELEMENT, LIGHT-EMITTING ELEMENT ASSEMBLY, LIGHT-EMITTING APPARATUS, METHOD OF DRIVING GaN-BASED SEMICONDUCTOR LIGHT-EMITTING ELEMENT, AND IMAGE DISPLAY APPARATUS - A GaN-based semiconductor light-emitting element is provided and includes a first GaN-based compound semiconductor layer; an active layer having a multi-quantum well structure; and a second GaN-based compound semiconductor layer. At least one of barrier layers constituting the active layer is composed of a varying-composition barrier layer, and the composition of the varying-composition barrier layer varies in the thickness direction thereof so that the band-gap energy in a region of the varying-composition barrier layer, the region being adjacent to a boundary between a well layer disposed closer to the second GaN-based compound semiconductor layer and the varying-composition barrier layer, is lower than that in a region of the varying-composition barrier layer, the region being adjacent to a boundary between a well layer disposed closer to the first GaN-based compound semiconductor layer and the varying-composition barrier layer. | 2009-10-15 |
20090256495 | BACK LIGHT MODULE - A back light module is provided. The back light module includes a plurality of light source matrixes, a current adjusting circuit and a light source driving circuit, wherein each of the light source matrixes includes N light emitting units and N is an integer greater than 1. First ends of the light emitting units are electrically connected to each other, and a second end of the i | 2009-10-15 |
20090256496 | Light-emitting device - Light-emitting device ( | 2009-10-15 |
20090256497 | BACKLIGHT DEVICE - A backlight device that is not affected by offset voltage. Driving transistor | 2009-10-15 |
20090256498 | FILAMENT POWER SUPPLY CIRCUIT FOR VACUUM FLUORESCENT DISPLAY - In a filament power supply circuit of a vacuum fluorescent display, an integration circuit is connected to a signal input terminal which receives a pulse signal having a magnitude corresponding to a DC power supply voltage. A comparison circuit compares an output voltage from the integration circuit with a reference voltage, and outputs a result. A first filament cathode connection terminal is connected to one terminal of the filament cathode of a vacuum fluorescent display and applies the DC power supply voltage to the one terminal. A second filament cathode connection terminal is connected to the other terminal of the filament cathode to ground the other terminal via a capacitive element. A three-terminal element includes first, second, and third terminals. The first terminal is connected to the first filament cathode connection terminal. The second terminal is grounded. The third terminal receives the output from the comparison circuit so that the path between the first terminal and the second terminal is switched in accordance with it. | 2009-10-15 |
20090256499 | POWER SUPPLY, DISPLAY DEVICE, AND LIGHT SOURCE DRIVING APPARATUS - A power supply is provided, which includes a DC-DC converter being supplied with an external DC input voltage and a first switching control signal and outputting a duty sensing signal of which a magnitude is varied in accordance with the first switching control signal, the duty sensing signal being indicative of a duty ratio of the first switching control signal, and the DC-DC converter converting the input voltage into a DC output voltage of a predetermined magnitude based on the first switching control signal; and a feedback controlling unit comparing the duty sensing signal with a first reference signal to adjust the duty ratio of the first switching control signal. | 2009-10-15 |
20090256500 | LED MINE LIGHT - An LED light device has a generally spherical body with a a plurality of projections radiating outwardly therefrom, each of said projections having a distal end and at least one of said projections has a magnet at its distal end. The body encloses a power source and carries at least one LED light aimed outwardly therefrom. The device has the appearance of a spiked military water mine. | 2009-10-15 |
20090256501 | CIRCULAR ACCELERATOR - In a circular accelerator, a magnetic pole edge portion of a bending electromagnet into and from which a charged particle beam enters and exits is provided with endpacks. A first protrusion is provided at that part of each end pack which is radially outside the equilibrium orbit of a center energy beam, while a second protrusion is provided at that part of each end pack which is radially inside the equilibrium orbit of the center energy beam. The shapes of the first and second protrusions are set so that the betatron oscillation numbers of beams of different acceleration energies may be held constant or become linear to the energies. In case of emitting the charged particle beam out of the circular accelerator, the change of a tune attributed to the change of the beam orbit can be statically corrected, the tune is linearly changed, and an adjustment of the emission of the beam becomes easy. | 2009-10-15 |
20090256502 | BATTERY MANAGEMENT SYSTEM FOR A CORDLESS TOOL - A hand-held, battery powered tool (e.g., nutrunner, drill) includes an output head operatively connected to a motor, a plurality of battery cells, an ON/OFF start switch, a resistance sensor that measures a resistance of the output head to movement, and a controller. When the start switch is ON and the resistance sensed by the resistance sensor does not exceed a predetermined shift resistance, the controller automatically connects the plurality of battery cells to each other and the motor in series. When the start switch is ON and the resistance sensed by the resistance sensor exceeds the predetermined shift resistance, the controller automatically connects the plurality of battery cells to each other in parallel and to the motor. | 2009-10-15 |
20090256503 | MOTOR CONTROL APPARATUS AND ELECTRIC POWER STEERING SYSTEM - If the magnitude of a command voltage vector is greater than a predetermined voltage value indicated by a voltage limit circle, the magnitude of a voltage vector, which corresponds to a q-axis current and which forms the command voltage vector, is adjusted so that the magnitude of the command voltage vector is equal to or less than the predetermined voltage value. Then a q-axis current estimated value is obtained based on i) the ratio of the magnitude of the voltage vector from the q-axis current after adjustment to the magnitude of the voltage vector from the q-axis current before adjustment, and ii) a q-axis current command value. | 2009-10-15 |
20090256504 | MOTOR DRIVE DEVICE - A motor drive device for alternately driving a plurality of motors includes a position detection signal processing circuit for processing position detection signals of the plurality of motors, a pre-drive circuit for generating an excitation switching signal of the motors, a plurality of power switching circuits for supplying an electric current to the motors in response to an output from the pre-drive circuit, and a motor switching circuit for instructing a switchover of driving the motors. The position detection signal processing circuit, in response to an input signal to the motor switching circuit, selects a position detection signal of a motor to be driven out of the position detection signals of the plurality of motors, and inputs a position detection processed signal to the pre-drive circuit for selecting one of the plurality of power switching circuits. | 2009-10-15 |
20090256505 | SYNCHRONOUS MOTOR AND CONTROL METHOD OF SYNCHRONOUS MOTOR - A synchronous motor including therein a three-phase inverter and position sensors, having a unit for calculating a digital input current value from the analog output of an input current detection circuit that detects the input current flowing into the DC input terminal of the three-phase inverter, and a digital feedback speed control unit for adjusting the amplitudes and frequency of the AC voltages outputted from the three-phase inverter in such a manner that the motor speed calculated by a motor speed calculation unit | 2009-10-15 |
20090256506 | Drive device for synchronous electric motor - Switching elements are driven by a control signal outputted from a control circuit, so that a rotating magnetic field is generated from a stator coil to rotate a rotor of a synchronous electric motor. The control signal is generated through use of a selected modulation scheme, which is selected from a plurality of modulation schemes. The control circuit determines which one of the modulation schemes is used as the selected modulation scheme based on a sensed voltage value of a voltage sensor, which senses an output voltage of a power supply device. | 2009-10-15 |
20090256507 | METHOD FOR OPERATING SENSORLESS AND BRUSHLESS MOTORS - A method of aligning a sensorless brushless polyphase DC motor including aligning a rotor to a known stopped position with respect to at least one coil during a shut-down of said motor wherein a voltage is applied to one or more coils in a timed sequence of voltage application steps; and, starting said rotor from said known stopped position, wherein a voltage is applied to one or more coils in a timed sequence of voltage application steps. | 2009-10-15 |
20090256508 | ELECTRONICALLY COMMUTATED MOTOR - An electronically commutated motor ( | 2009-10-15 |
20090256509 | MOTOR CONTROL DEVICE - A motor control device has a three-phase bridge circuit, a driving circuit, and a microcomputer. The three-phase bridge circuit has three pairs of MOSFETs for U, V, and W phases of a three-phase AC motor as a control target. The microcomputer has a dead time set value storage unit and a PWM signal generation unit. The PWM signal generation unit generates a PWM signal with a dead time including a response characteristics of the pair of MOSFETs for each of U, V, and W phases of the AC motor based on a three-phase voltage instruction value supplied from an outside device and the dead time set value stored in the dead time set value storage unit. The PWM signal generation unit outputs the PWM signal for each phase to the driving circuit. This independently adjusts the dead time for the MOSFETs for each phase. | 2009-10-15 |
20090256510 | Reliable Drive Cut Off Device - A protective device enables reliably cutting a drive region off the power supply of a guided vehicle. The drive region is connectible to the power supply via at least one drive region switch and it comprises stator sections that are strung together. The sections are connectible to a drive region supply line by way of a stator section switch. The protective device has a control unit for opening at least one switch in the event of a malfunction. The object is to provide a protective device that is inexpensive and that allows a flexible allocation of the power supply to the drive regions. For this purpose, the control is adapted to open all stator section switches and the one or more drive regions switches in the event of a malfunction. | 2009-10-15 |
20090256511 | Direct Flux Regulated Permanent Magnet Brushless Motor Utilizing Sensorless Control - A permanent magnet rotor for use in a flux regulated permanent magnet brushless machine is constructed such that the inductance along the direct and quadrature axes is markedly different to provide sensorless position feedback for the rotor. | 2009-10-15 |
20090256512 | PLURALITY OF CONFIGURABLE INDEPENDENT COMPUTE NODES SHARING A FAN ASSEMBLY - A system comprising a chassis that includes a plurality of modules and a fan assembly disposed in a distal end of the chassis for drawing air in parallel pathways through the plurality of modules. At least one of the modules is a compute module having a thermal sensor disposed to sense the temperature of air flowing across a processor mounted on a motherboard. The system further comprises a fan controller receiving output from the thermal sensor, wherein the fan controller operates the fan assembly to cool the plurality of modules and maintain the thermal sensor output within an operating temperature range. The fan controller controls the fan speed according to predetermined thermal profile settings associated with one of the compute modules received in the chassis. For example, the predetermined thermal profile settings may include a minimum fan speed, a maximum fan speed, and control loop feedback settings. | 2009-10-15 |
20090256513 | Power output apparatus, vehicle equipped with power output apparatus, and control method of power output apparatus - A hybrid electronic control unit sends a combustion start command to an engine ECU when the rotation speed of an engine reaches a combustion start rotation speed by engine cranking. The engine ECU sends an initial explosion advance notification to the hybrid electronic control unit when the crank position of the engine reaches a specific position prior to an ignition timing of an initial explosion cylinder by a preset crank angle θec. Ignition of the initial explosion cylinder is performed at a timing when the crank position is further rotated by the preset crank angle θec. The hybrid electronic control unit sends a torque command in view of a counter torque Tα to a motor ECU after elapse of a preset time period tv. The preset time period tv is the sum of a first time period t | 2009-10-15 |
20090256514 | System for suppressing wheel acceleration after a slip - A power system having a DC electric motor is disclosed. The DC electric motor may include an armature and a field coil electrically connected in series with the armature, the field coil having an input and an output. The power system may also include an additional electrical path. Additionally, the power system may include one or more current-control elements that control one or more aspects of electrical activity in the additional electrical path, which may include, when inductance of the field coil generates a higher voltage at the output than at the input in response to a decrease in electric current through the field coil, allowing electric current to flow from the output, through the additional electrical path, to the input without flowing through the armature. | 2009-10-15 |
20090256515 | Method of detecting state of synchronization loss in stepping motor - In a method of detecting synchronization loss in a stepping motor, a means for applying either control current or control voltage to a coil of each phase to thereby drive a stepping motor and a means for individually measuring a back EMF voltage induced at the coil of each phase are employed, wherein application of either the control current or the control voltage at the coil of each phase is halted by turns phase by phase for such a short time period as not to affect rotation of a rotor of the stepping motor at a predetermined timing within one step period of the rotor, the back EMF voltage at the coil is measured during the short time period, and the stepping motor is judged to lose synchronization when the measurement result of the back EMF voltage at the coil of at least one phase satisfies a detection criterion. | 2009-10-15 |
20090256516 | ELECTROMECHANICAL MACHINE CONTROL SYSTEM - There is provided an electromechanical machine control system for variable speed controlling an electromechanical machine which can realize a desired control response and a stable control system by online regulating the gain of a linear differential controller by current feedback based on an electric parameter or mechanical parameter of the electromechanical machine. | 2009-10-15 |
20090256517 | WEIGHTED FIELD ORIENTED MOTOR CONTROL FOR A VEHICLE - A system for transitioned field oriented motor control is described. The system may include a module using a current-based algorithm to estimate flux and a module using a voltage-based algorithm to estimate flux. A weighting module operates over a transition range to transition between the flux estimate using the current-based algorithm to the flux estimate using the voltage-based algorithm based on a weighted combination of the flux estimates. Other embodiments are described and claimed. | 2009-10-15 |
20090256518 | VECTOR CONTROL DEVICE OF INDUCTION MOTOR, VECTOR CONTROL METHOD OF INDUCTION MOTOR, AND DRIVE CONTROL DEVICE OF INDUCTION MOTOR - The vector control device includes: secondary magnetic flux command computing means ( | 2009-10-15 |
20090256519 | System, Method and Program Product For Cable Loss Compensation In An Electrical Submersible Pump System - An electrical submersible pumping (ESP) system can include a pump located in a wellbore, a motor attached to the pump, a power source located at the surface, a cable electrically coupling the power source and the motor, and a current sensor. The ESP system can also include a controller communicating with the current sensor to calculate a voltage drop associated with the cable responsive to an impedance of the cable. The controller can also control a power source output voltage responsive to the calculated voltage drop. For example, the controller can adjust the power source output voltage to minimize a cable current while maintaining a minimum motor voltage. The controller can also control a motor shaft speed by changing a power source output voltage frequency to compensate for changing slip and adjust the power source output voltage to minimize the cable current while maintaining a minimum motor voltage. | 2009-10-15 |
20090256520 | Portable Notebook Computer with Selectively Exposed Solar Charging Cells - A portable notebook solar charger provides a high-powered power supply, applicable to many PCs throughout the world. Specific embodiments utilize an HCSS Li-ion battery that can charge a notebook, cellular phone, MP3/MP4 players, digital cameras, gaming devices. A discreet selectively openable and closable protective cover protects the solar charging cells in the closed position and opens to expose the solar cells to a suitable light source for charging. Specific embodiments of a solar charging unit are selectively attachable and detachable to a notebook computer. Alternative embodiments provide an integrated solar charger with selectively openable protective cover. | 2009-10-15 |
20090256521 | Charging control device - A charging control device includes a control unit and a monitoring unit. The control unit performs at least one of controlling charging to a rechargeable battery and monitoring a state of a rechargeable battery, while outputting a state signal which indicates an operation state of the control unit. The monitoring unit determines whether or not the operation state of the control unit is a predesignated specified operation state based on the state signal outputted from the control unit. | 2009-10-15 |
20090256522 | Electric Vehicle Battery Charging by Driving the Propulsion Shaft - A system and method for charging a battery of an electric vehicle is disclosed. An embodiment of the present invention enables an internal motor of an electric vehicle to be backdriven. When the internal motor is backdriven, it operates as an electric generator to produce electric power used to charge the electric vehicle's battery. | 2009-10-15 |
20090256523 | Vehicle charging system, vehicle charging device and electric vehicle - When a connector portion ( | 2009-10-15 |
20090256524 | METHOD FOR DETECTING OF BATTERY CONDITION - PROBLEM TO BE SOLVED: To provide a method for detecting a charged state of a battery, for evaluating a deterioration thereof due to each of reaction processes that individually have rates of reactions as different from therebetween, and for performing a detection of the charged state of the battery. | 2009-10-15 |