40th week of 2010 patent applcation highlights part 18 |
Patent application number | Title | Published |
20100253156 | SENSOR DEVICE POWERED THROUGH RF HARVESTING - An example sensor device for a wireless system includes a receiver, an energy harvester and a transmitter. The receiver receives a signal and the energy harvester converts the signal into useable energy. The transmitter utilizes the useable energy to actuate a load. | 2010-10-07 |
20100253157 | MULTIPLEXED VOLTAGE AND CURRENT SIGNALING - Circuitry and methods are provided. Voltage and current of an electrical load are scaled, biased and alternately sampled to derive a multiplexed signal. The multiplexed signal is used to control an oscillator so as to provide a multiplexed frequency-modulated signal. The multiplexed frequency-modulated signal is processed to improve linearity and to time-correlate signal content with discrete samplings of the load voltage and current. Control of a printer or other device is performed using the processed signal. | 2010-10-07 |
20100253158 | ELECTRIC MOTOR, AND ELECTRIC DEVICE HAVING THE MOTOR - Comprising a stator including a stator iron core having a stator winding, a rotor including a rotary member and a shaft, a bearing for supporting the shaft, and a bracket for fixing the bearing, and further comprising an impedance adjusting member for adjusting at least one impedance of the impedance between the stator winding and the inner ring of the bearing, and the impedance between the stator winding and the outer ring of the bearing. The impedance adjusting member is a matching member for matching the individual impedances. The matching member is a capacitor interposed between the stator iron core and the bracket. | 2010-10-07 |
20100253159 | Permanent-magnet Synchronous Motor of Drainage Pump - A permanent-magnet synchronous motor of a draining pump is disclosed. It includes a permanent-magnet rotor for driving an impeller to rotate, a pump body for supporting the permanent-magnet rotor, a stator core and a stator coil. Among which, the stator coil is constructed with an enamelled aluminum wire winding which is coiled by an enamelled aluminum wire and sealed in a container. The invention applies the enamelled aluminum wire to the permanent-magnet synchronous motor of a draining pump. The winding of the stator coil and a welding part of its lead-out wire are sealed with plastic or epoxy resin which effectively isolate them from outside air, especially damp air. Therefore, the invention prevent the enamelled aluminum wire winding of the stator coil and the welding part of its lead-out wire from being oxidized in air and being corroded by the moisture, acid or alkaline matter in damp air. | 2010-10-07 |
20100253160 | Over-Molded Liquid Cooled Three-Stack Motor - A brushless, liquid or air cooled, direct current motor formed from a three stack stator and three section rotor assembly using an integrated water cooled or air cooled housing and over-molding techniques. | 2010-10-07 |
20100253161 | STATOR AND ROTATING ELECTRIC MACHINE EMPLOYING THE SAME - A stator in which coil conductors of three phases are disposed in a plurality of slots provided in a stator core, wherein the coil conductors are formed by connecting a plurality of slot conductor portions disposed in the slot, a plurality of coil end conductor portions extending in a circumferential direction of the stator core on an outer side of an axial end surface of the stator core, and a plurality of upstanding conductor portions, each of which connects the coil end conductor portion and the slot conductor portion. | 2010-10-07 |
20100253162 | POWER TOOL WITH BRUSHLESS MOTOR - In a first space S | 2010-10-07 |
20100253163 | COMPACT HIGH POWER ALTERNATOR - A compact, high power, power conversion apparatus including a rotor and a stator. The rotor includes a cylindrical casing, and a predetermined number of permanent magnets disposed on the casing, and is adapted for rotation about the axis of the casing. The stator includes a core and a plurality of sets of conductive windings, each set including a predetermined number of individual conductive windings and associated with an electrical phase. A respective collecting conductor is associated with each set of conductive windings, with each individual conductive winding of the set being electrically connected to the associated collecting conductor. The respective collecting conductors are disposed in a coolant flow path a coolant flow path directing coolant into contact with the stator windings, electrically isolated from each other and spaced apart from each other and from the windings. Collecting conductors in the form of continuous rings and in the form of a plurality of arcs are disclosed. | 2010-10-07 |
20100253164 | STATOR ASSEMBLY INCLUDING A TERMINAL BLOCK FOR AN ELECTRIC MACHINE - An electric machine includes a housing having an outer surface and an inner surface that defines an interior portion. The housing also includes a connection zone having a first end portion that extends from the outer surface to a second end portion that is exposed to the interior portion. The connection zone includes a connection passage. A terminal block extends through the connection passage. The terminal block includes a non-electrically conductive member that is sealed against the connection passage, and an electrically conductive member covered by the non-electrically conductive member. The electrically conductive member includes a first end section that extends to a second end section through an intermediate section. The first end section has a first connection zone and the second end section has a second connection zone. The second connection zone is at an angle relative to the first connection zone. | 2010-10-07 |
20100253165 | PHASE LEAD CONNECTIONS FOR A BAR WOUND STATOR - A stator assembly includes a stator stack and a plurality of lead conductors extending from the stator stack. A plurality of conductor terminals are each connected to a respective one of the plurality of lead conductors. A plurality of wires are each connected to a respective one of the plurality of conductor terminals and a plurality of phase lead connection terminals are each connected to at least one of the plurality of wires. | 2010-10-07 |
20100253166 | Rotor and Vibration Motor - Disclosed are a rotor and a vibration motor. The rotor includes a rotor substrate, a coil electrically connected to the in rotor substrate, a coil cover for supporting the coil and a weight coupled to the coil cover. | 2010-10-07 |
20100253167 | ELECTRIC MOTOR/GENERATOR ASSEMBLY - An apparatus comprises a rotor supported for rotation about a longitudinal axis. The rotor comprises an elongate tubular member enclosing a substantially cylindrical space, the elongate tubular member having a first open end defining an inlet, and a second open end defining an outlet. The apparatus includes at least one electrically conductive element for generating a magnetic field when electric current flows therethrough and for controlling rotation of the rotor. At least a part of at least one said electrically conductive element is aligned axially with at least a part of said elongate tubular member. The elongate tubular member comprises conveying means adapted so that upon rotation of said rotor, at least one body is caused to move in a direction from said inlet toward said outlet, through the substantially cylindrical space. | 2010-10-07 |
20100253168 | ELECTRIC DRIVE, PARTICULARLY FOR A FUEL METERING UNIT FOR AN AIRPLANE ENGINE - An electric drive, particularly for a fuel metering unit for delivering and metering fuel from a fuel tank into a combustion chamber of an airplane engine, is disclosed. The electric drive drives at least one work module and is composed of at least two engine modules that are supplied separately with electricity and disposed on a common rotor shaft to form a redundant engine arrangement. | 2010-10-07 |
20100253169 | ELECTRIC MACHINE - An interior permanent magnet machine is disclosed. The machine comprises an air gap, and a rotor comprising a plurality of multilayered magnets each placed substantially along circumferential chords of the air gap, wherein each of the magnets comprises a plurality of segments and at least one segment adjacent said air gap comprises a high resistivity magnetic material. A method to make an interior permanent magnet machine is also disclosed. | 2010-10-07 |
20100253170 | LOW PROFILE SPINDLE MOTOR - A low profile spindle motor for supporting and rotating media disk or disks of a hard disk drive includes a plurality of stator teeth, a winding layer which may be formed by printed circuit board or the like, and a rotor. The plurality of stator teeth are disposed in an annular region surrounding an axis of rotation of the motor, and have projected ends for increasing the tooth area facing a magnet ring of the rotor. The winding layer has a plurality of windings disposed surrounding the axis of rotation. Each winding is coupled to one of the plurality of stator teeth. The magnet ring is positioned radially spaced apart and coplanar with the annular region. The magnet ring has magnetic poles annularly distributed to generate magnetic fluxes along radial direction. Spindle motor formed according to the invention has a low profile, improved performance and manufacturability. | 2010-10-07 |
20100253171 | ELECTRIC MACHINE - An interior permanent magnet electric machine is disclosed. The interior permanent magnet electric machine comprises a rotor comprising a plurality of radially placed magnets each having a proximal end and a distal end, wherein each magnet comprises a plurality of magnetic segments and at least one magnetic segment towards the distal end comprises a high resistivity magnetic material. | 2010-10-07 |
20100253172 | Alternating current electric induction motor - Alternating current electric induction motor, in particular a motor ( | 2010-10-07 |
20100253173 | AXIAL GAP TYPE CORELESS ROTATING MACHINE - A high-output and highly efficient axial gap type rotating machine capable of reducing an eddy current generated in a winding wire and supplying a larger current is provided. The axial gap type rotating machine may include a housing, a rotating shaft rotatably supported in the housing; two rotors capable of rotating integrally with the rotating shaft, and a stator fixed to the housing, the stator disposed in an air gap formed by the rotating plates disposed to face each other, the stator including a fixing plate and coils disposed in a circle on the fixing plate so as to face the circles of the permanent magnets, wherein each of the coils includes a winding wire formed by a bundle of at least two coil conductors having rectangular cross sections by aligning at least one of long sides and short sides thereof, and the winding wire has an outer circumference covered with an insulating coating and is wound such that the long sides in cross section of the coil conductors are positioned perpendicular to the magnetic pole surfaces of the permanent magnets. | 2010-10-07 |
20100253174 | INDUCTION MOTOR ROTOR, INDUCTION MOTOR, COMPRESSOR, FAN, AND AIR CONDITIONER - To provide an indication motor rotor capable of improving motor performance by concentrating portions under magnetic saturation conditions of rotor teeth. The rotor | 2010-10-07 |
20100253175 | ISOLATOR RING FOR AN ELECTRIC MOTOR - A stator assembly includes a stator stack and a plurality of conductors extending from the stator stack. An isolator/assembly ring is located on the stator stack. The isolator/assembly ring includes a plurality of inwardly protruding fingers. A method of assembling the stator assembly includes threading the plurality of conductors through the stator stack such that each of the plurality of fingers on the isolator/assembly ring is located between respective ones of the plurality of conductors. | 2010-10-07 |
20100253176 | ELECTRICAL MACHINE HAVING A STATOR WITH RECTANGULAR AND TRAPEZOIDAL TEETH - Arrangement at an electric machine, particularly motor, generator, or actuator, with a stator with teeth ( | 2010-10-07 |
20100253177 | Multi-pattern high temperature superconducting motor using flux trapping and concentration - A high temperature superconducting synchronous motor having an inductor topology that increases the air gap flux density in direct relation to motor power density by trapping flux and concentrating it in the air gap to obtain more power in the same volume or smaller volume for the same power, and whose geometry enables the induction motor to be lighter than superconducting motors without the inductor topology, the motor being positioned in a housing, and the motor comprising:
| 2010-10-07 |
20100253178 | PERMANENT-MAGNET SYNCHRONOUS MOTOR - The present invention can achieve a highly efficient permanent-magnet synchronous motor that can obtain output in a high-speed area without prolonging the axis of the permanent-magnet synchronous motor. | 2010-10-07 |
20100253179 | Micro-image acquisition and transmission system - A micro-image acquisition and transmission system is provided. In a preferred embodiment, the system is comprised of an image acquisition chip comprising an electronic imager, control electronics and a micro powered rotary stage comprising a transceiver array that acts as a hub to optically link a group of distributed image acquisition chips. A preferred embodiment is further comprised of a transceiver array chip comprising one or more micro-powered rotary stages having a transceiver array assembly disposed thereon. The micro-powered rotary stage is supported by a micro-brush bearing. | 2010-10-07 |
20100253180 | Actuator - When an actuator is driven, a stationary element continuously generates a pressing force for spreading in a radial direction such that the stationary element is relatively retracted into movable elements positioned at both ends of the stationary element. As a result, a distance between the movable elements adjacent to each other is reduced, and a contracting operation is performed. When the actuator is not driven, only a relatively low frictional force is generated between the moving elements and the stationary element. Hence, the movable elements and the stationary element can change relative position by small external force. | 2010-10-07 |
20100253181 | Special Thermo Magnetic Motor Device - A special thermo magnetic motor which is an electromagnetic heat engine used for directly converting power between heat and electrical forms using magnetism. It is comprised of a unique combination of a base support, a heating system to heat the magnetic wafers to the Curie temperature; a magnet system with a base and shorting bar; a rotatable disk assembly with the magnetic wafers and a support shaft/transfer means; and an output to an output means to the using device. It provides significant benefits compared to prior art devices and is used for driving various other devices. | 2010-10-07 |
20100253182 | SURFACE ACOUSTIC WAVE DEVICE AND MANUFACTURING METHOD THEREOF - A surface acoustic wave device causing less wear of a dicing blade and causing less drop in a dicing speed is manufactured from a mother laminate with high yield and high precision. The surface acoustic wave device is manufactured by dicing a piezoelectric wafer. The surface acoustic wave device includes a piezoelectric substrate resulting from dicing the piezoelectric wafer, IDT electrodes and pad electrodes located on a top surface of the piezoelectric substrate. A support layer having an opening opened to the IDT electrodes is provided. An outline edge of the support layer is inside an outline edge of the top surface of the piezoelectric substrate. A cover made of an insulating material is disposed on the support layer to close the opening of the support layer. In plan view, the outline edge of the cover is aligned with the outline edge of the piezoelectric substrate. | 2010-10-07 |
20100253183 | PIEZOELECTRIC FILM SENSOR - A piezoelectric film sensor includes a substrate | 2010-10-07 |
20100253184 | APPARATUS FOR GENERATING ELECTRICAL ENERGY AND METHOD FOR MANUFACTURING THE SAME - An apparatus for generating electrical energy may include; a first electrode, a second electrode spaced apart from the first electrode, a nanowire which includes a piezoelectric material and is disposed on the first electrode, an active layer disposed on the first electrode, a conductive layer disposed on the active layer, and an insulating film disposed between the conductive layer and the nanowire, wherein the nanowire and the active layer are electrically connected to each other. A method for manufacturing an apparatus for generating electrical energy may include; disposing a nanowire including a piezoelectric material on a first electrode, disposing an active layer, which is electrically connected to the nanowire, on the first electrode, disposing an insulating film on the nanowire, disposing a conductive layer on the active layer, and disposing a second electrode in proximity to the nanowire and substantially opposite to the first electrode. | 2010-10-07 |
20100253185 | Addressable Information Display - A vending machine product storage tray system and vending machine system having the advantages of an addressable information display proximate to the vended product stored for sale therein is exposed. | 2010-10-07 |
20100253186 | ELECTRONIC DEVICE ENCLOSURE - An electronic device enclosure includes a bottom plate, a mounting member mounted to the bottom plate, and a resilient member attached to the mounting member. At least one bridge protrudes from the bottom plate. A gap is defined between the bridge and the bottom plate, and a protrusion is formed in the bottom plate. The mounting member includes a positioning tab capable of inserting into the gap along a first direction. At least one securing tab protrudes from a free end of the resilient member towards the bottom plate. The securing tab is capable of engaging with the protrusion of the bottom plate to prevent the position tab from removing from the gap along a second direction opposite to the first direction. | 2010-10-07 |
20100253187 | ELECTRONIC APPARATUS AND LATCHING DEVICE THEREOF - An electronic apparatus includes a first body, a second body pivotally attached on the first body for covering on the first body, and a latching device for locking the second body on the first body when the second body covers the first body. The latching device includes a locking member rotatably attached on the first body, a hook disposed on the second body and capable of hooking on the locking member for locking the second body on the first body, and a driving subassembly rotatably connecting with locking member and slidably disposed on the first body. The driving subassembly drives the locking member to rotate to engage and disengage with the hook. | 2010-10-07 |
20100253188 | HOUSING STRUCTURE FOR IN-VEHICLE ELECTRONIC DEVICE - A housing structure for an in-vehicle electronic device is provided. A case body includes a top panel and a side wall continuously and integrally formed at a side edge of the top panel. The case body is configured to accommodate a control board therein. A plurality of brackets outwardly projects and extends from the side wall of the case body. The brackets are fixed to an attachment portion of a vehicle body. A plurality of reinforcement ribs are integrally formed between the brackets and the side wall of the case body at a position lower than the control board in a state where the case body is mounted on the vehicle body. | 2010-10-07 |
20100253189 | HORIZONTAL SUBRACK AND COMMUNICATION CABINET - A horizontal subrack includes a ventilation box, a fan box and a board area. The ventilation box is located on the top and/or at the bottom of the board area, and includes an air partition plate, an air inlet, and a first air outlet; the air partition plate is set inside the ventilation box, and divides the ventilation box into an air-in chamber and an air-out chamber; the fan box is installed in the air-in chamber, and a fan is installed on the fan box; the air inlet is set on the front wall of the ventilation box; and the first air outlet is set on the rear wall of the ventilation box. The board area includes board slots, an air-in duct and an air-out duct. The air-in duct is located on one side of the board slots, and the air-out duct is located on the other side of the board slots. The air-in duct is linked to the air-in chamber, and the air-out duct is linked to the air-out chamber. The horizontal subrack extends the trail between the fan box and the board area, improves the evenness of the air volume distributed to the slots of the horizontal subrack, and overcomes the bottleneck of enhancing the heat dissipation capability of the horizontal subrack. | 2010-10-07 |
20100253190 | Storage apparatus for storing products - The present invention relates to a storage apparatus, including: a base; an axle unit, supported on the base; a first storage-access unit and a plurality of storage units of which the bottoms correspond to the base and arranged in a first circle; a plurality of second storage units of which the bottoms correspond to the base and arranged in a second circle; a first rotating unit connected with the tops of the first storage units; a first cover unit connected with the tops of the second storage units; and a plurality of first rolling units connected with the first rotating unit, wherein the first storage-access unit and the first storage units can rotate relative to the second storage units. Accordingly, the storage apparatus of the present invention can be employed in storing and accessing the products independently. | 2010-10-07 |
20100253191 | SAFETY CABINET - A safety cabinet has a box body having an open front side, a pair of doors hinged to the body and pivotal between closed positions closing the front side and open positions exposing the open front side, and a shelf slidable between an in position wholly contained in the body behind the open front side and an out position projecting forward at least partially from the open front side. A guide is provided on the shelf extending at an acute angle to the pullout direction, and an arm connected to one of the doors rides in the guide so that moving the one door into the respective open position pulls the drawer into the out position. A link connects the other door at least indirectly to the guide for pulling the other door into the respective open position on movement of the one door into the respective open position. | 2010-10-07 |
20100253192 | DRAWER ASSEMBLY - A drawer construction having a floor element surmounted by a plurality of upstanding sidewalls forming a frame includes one or more reinforced connections between the floor element and one or more of the sidewalls. The reinforced connection may include one or more outwardly extending tabs associated with the floor element which are received within appropriately sized and oriented slots defined within a selected sidewall. The sidewall may further include a laterally extending shelf positioned proximate the lower edge of the sidewall and oriented to extend below the floor element such that the floor element rests on the upper surface of the shelf. Mounting supports, positioned on the opposing ends of the sidewall may be secured to adjacently positioned sidewalls to further strengthen the association of the sidewall with the drawer structure. | 2010-10-07 |
20100253193 | Lateral File Drawer And Anti-Tip Device - An anti-tip device for a furniture piece having two drawers within a cabinet, and two keys that move with the drawers along a drawer axis. The keys have primary and secondary top surfaces with a valley therebetween, the valley defining a ledge wall. A lock bar is slidably secured to the cabinet and movable in a direction generally perpendicular to the drawer axis, and biased in a direction from the primary top surface to the bottom surface of each key. The lock bar has slots to receive the keys, and capture surfaces proximate to the slots on the side of the lock bar opposite the drawer. When one drawer is open the other drawer is moved toward the open position, the lock bar moves into the valley of the key so that the ledge wall abuts with the capture surface, thereby preventing further opening of the drawer. | 2010-10-07 |
20100253194 | SLIDING TRACK ASSEMBLY FOR DRAWER - A sliding box and box space arrangement includes a cabinet having a box space and two narrow elongated bamboo rails of inserted V cross section longitudinally fixedly mounted on the bottom wall thereof at two opposite lateral sides in a parallel manner, and a sliding box having two longitudinal V-grooves located on the bamboo bottom wall thereof and respectively slidably coupled to the narrow elongated bamboo rails. In an alternate form of the invention, the box space has two V-grooves on the bamboo bottom wall, and the sliding box has two narrow elongated bamboo rails of inserted V cross section slidably coupled to the V-grooves in the box space. | 2010-10-07 |
20100253195 | Plywood cabinet - A cabinet includes panels made from plywood of a type having an ascetically pleasing core with adjacent panels joined at a 90° angle with respect to one another to form a common corner. A first one of the panels has a first edge which forms a portion of the common corner and second one of the panels has a second edge which also forms a portion of the common corner. The first edge has a protruding section and the second edge has a recessed section and the protruding section fits into the recessed section to form an unbroken corner. | 2010-10-07 |
20100253196 | CABINET - A cabinet may include an upper wall, a lower wall and side walls. The cabinet may include a bracket that may be used to connect the cabinet to a mounting surface. The side walls may include receiving portions that receive portions of the bracket. The cabinet may also include one or more rear walls. The upper, lower, side and/or rear walls may include portions that overlap and/or engage with each other, which may help interconnect the walls and strength and/or reinforce the cabinet. | 2010-10-07 |
20100253197 | ROTATABLE SHELF APPARATUS AND REFRIGERATOR HAVING THE SAME - A rotatable shelf apparatus and a refrigerator having the same. The refrigerator having the rotatable shelf apparatus includes a main body in which a storage space is formed, a rotatable shelf provided in the storage space to be rotated in a vertical direction, and a rotation supporting unit fixedly provided in the storage space to rotatably support the rotatable shelf. Therefore, it is possible to control the height of the storage space, to reduce the number of times of attaching and detaching the shelf in accordance with the size of accommodated food items, and to effectively utilize the storage space. | 2010-10-07 |
20100253198 | IMAGE DISPLAY APPARATUS AND MANUFACTURING METHOD OF THE IMAGE DISPLAY APPARATUS - An image display apparatus according to the present invention comprises a rear plate having a plurality of electron emitting devices; a face plate having a substrate, a plurality of light emitting members arranged on the substrate, a partition member interposed between the adjacent light emitting members, an anode electrode covering the plurality of light emitting members, and a low potential electrode separated from the anode electrode with an interval and disposed in such a manner as to surround the anode electrode; and a covering member covering an end of the low potential electrode on a side of the anode electrode in separation from the anode electrode, wherein a potential to be applied to the low potential electrode is lower than that to be applied to the anode electrode, and the covering member and the partition member are made of the same material. | 2010-10-07 |
20100253199 | LED LIGHTING TUBE - The LED lighting tube of the present invention utilizes a tubular heat dispersing structure and arranges the LED module in a light-tube manner, characterized in that the tubular heat dispersing structure can produce the airflow to increase the heat dispersing effect, and also, the closed structure thereof can prevent dust accumulation, so as to protect the LED module and extend the lifetime of the LED module. Besides, the present invention also employs plural electric controllers to control LED bulbs in multiple LED modules so as to achieve a section control of LED bulbs of different positions or different colors and satisfy multiple illumination requirements. | 2010-10-07 |
20100253200 | LAMP HAVING OUTER SHELL TO RADIATE HEAT OF LIGHT SOURCE - A lamp includes an outer shell having heat conductivity, a base provided in the outer shell, and a cover provided in the outer shell. The outer shell has a light source support, and a heat radiating surface exposed to the outside of the outer shell. The light source support is formed integral with the heat radiating surface. A light source is supported on the light source support. The light source is heated during lighting, and thermally connected to the light source support. The light source is covered with the cover. | 2010-10-07 |
20100253201 | HIGH-INTENSITY DISCHARGE LAMP - The invention relates to a high-intensity discharge lamp for a vehicle-light projector system, comprising a base ( | 2010-10-07 |
20100253202 | Ignition Coil for Vehicle - A spark plug coil assembly has a primary core bearing primary windings and a secondary winding spool around which secondary windings are wound and in which the primary core is received. A case receives the spool with core. The entire case can be made of composite Iron to function as a magnetic return path for the core. Thick ends of the case support the ends of the core. | 2010-10-07 |
20100253203 | SPARK PLUG - An ignition part ( | 2010-10-07 |
20100253204 | PLATINUM ALLOY FOR SPARK PLUG ELECTRODES AND SPARK PLUG HAVING A PLATINUM ALLOY ELECTRODE - A spark plug and an alloy for an electrode tip of a spark plug is disclosed herein. The spark plug having: an insulator shell; a center electrode inside the insulator shell such that one end of the center electrode protrudes from the insulator shell; a metal shell exterior to the insulator shell; a side ground electrode having one end coupled to the metal shell and the other end facing the protruding end of the center electrode to form a spark discharge gap between the center electrode and the side ground electrode; and an electrode tip secured to at least one of the side ground electrode or the center electrode, located at the spark discharge gap, the electrode tip comprising a platinum-based alloy comprising 20 to 35% by weight of palladium, from greater than 0 to 15% by weight iridium, and the balance of the alloy being platinum, all % by weight being based on the total weight of the alloy. | 2010-10-07 |
20100253205 | ELECTRIC LAMP HAVING AN OUTER BULB, A STEM AND AN INTEGRATED LAMP - An electric lamp is provided with a base at one end, having an outer bulb supported in a base, and at least one integral lamp, held inside the outer bulb by means of a mounting clip, the mounting clip being fixed on a stem, and the stem having a lower region and an upper region, and the cross-sectional area of the upper region being smaller than the cross-sectional area of the lower region, wherein the mounting clip is fixed on the upper region of the stem. | 2010-10-07 |
20100253206 | ELECTRODE ROD HOLDER IN A HIGH-PRESSURE DISCHARGE LAMP - The invention relates to an improved electrode rod ( | 2010-10-07 |
20100253207 | FLAT UV DISCHARGE LAMP, USES AND MANUFACTURE - The invention relates to a flat lamp ( | 2010-10-07 |
20100253208 | BIS-PHENANTHROIMIDAZOLYL COMPOUND AND ELECTROLUMINESCENT DEVICE USING THE SAME - A bis-phenanthroimidazolyl compound having a following formula is disclosed. | 2010-10-07 |
20100253209 | TANDEM WHITE OLED WITH EFFICIENT ELECTRON TRANSFER - A white-light-emitting tandem OLED device having spaced anode and cathode including: first and second light-emitting units disposed between the anode and cathode; an intermediate connector including an n-type layer and a p-type layer disposed between the first and second light-emitting units; and a fluoranthene-containing electron-transporting layer adjacent to the n-type layer of the intermediate connector and including at least 25% of a 7,10-diaryl-substituted fluoranthene compound having no aromatic rings annulated to the fluoranthene nucleus. | 2010-10-07 |
20100253210 | ORGANIC ELEMENT FOR ELECTROLUMINESCENT DEVICES - An electroluminescent device including a cathode, an anode, and having therebetween a light-emitting layer including a boron complex represented by Formula (I), | 2010-10-07 |
20100253211 | ORGANIC ELECTROLUMINESCENCE DEVICE AND MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE - An organic electroluminescence device includes: a cathode; an anode; and a single-layered or multilayered organic thin-film layer provided between the cathode and the anode. In the organic electroluminescence device, at least one layer of the organic thin-film layer includes: an organic-electroluminescence-device material represented by a general formula selected from the following formulae (1), (2) and (3); and at least one phosphorescent material. In the formula: A represents a group selected from a 3-fluoranthenyl group, 5-benzo[c]phenanthrenyl group, 6-benzo[c]phenanthrenyl group and 10-benzo[g]chrysenyl group; Ar represents a fused aromatic ring having 10 to 30 carbon atoms and having triplet energy of 2.10 eV or more; and A or Ar is allowed to be substituted by a phenyl group or a naphthyl group. | 2010-10-07 |
20100253212 | LIGHT-EMISSION MATERIAL AND ORGANIC LIGHT-EMITTING DIODE INCLUDING THE SAME - The invention provides a light-emission material comprising a compound having Formula (I): | 2010-10-07 |
20100253213 | LATENT CURING AGENTS, EPOXY RESIN COMPOSITIONS CONTAINING THE SAME, SEALING MATERIALS, AND ORGANIC EL DISPLAYS - The invention aims to provide latent curing agents which exert high low-temperature curing properties when used together with ionically polymerizable compounds and which exhibit high storage stability at room temperature. Latent curing agents for ionically polymerizable compounds which agents each contain a hydroxyl-free amine imide compound having an N—N bond energy of 100 to 210 kJ/mol as determined by B3LYP functional theory method. | 2010-10-07 |
20100253214 | ORGANIC ELECTROLUMINESCENT DEVICE AND DISPLAY DEVICE - An organic electroluminescent device, includes: an anode and a cathode of inorganic conducting material; an organic emission functional layer interposed between the anode and the cathode, and that includes an organic emissive layer; and an organic electrode film provided in contact with an outer side of at least one of the anode and the cathode, wherein the organic electrode film is formed using at least one of (I) a combination of a polycyclic aromatic hydrocarbon compound having a backbone of 3- to 7-membered rings, and a benzoimidazole derivative having a substituent in the benzene ring, and (II) an azatriphenylene derivative. | 2010-10-07 |
20100253215 | ORGANIC ELECTROLUMINESCENCE DEVICE - An organic electroluminescence device includes on a substrate a plurality of first electrodes, a partition structure having a plurality of openings corresponding to the positions of the first electrodes, an organic luminescent layer, a second electrode covering the partition structure and the organic luminescent layer, and a sealing layer or a sealing member covering the second electrode. The second electrode includes a first portion and a second portion that are separate from each other. The first portion covers the entire partition structure except the outer portion from the edge of the partition structure, and the organic luminescent layer. The second portion covers the outer portion from the edge of the partition structure and at least part of the external region around the partition structure. | 2010-10-07 |
20100253216 | FLEXIBLE DISPLAY DEVICE - The present invention relates to a flexible display device ( | 2010-10-07 |
20100253217 | LIGHT EMITTING DEVICE - It is an object of the present invention to provide a light-emitting device where periphery deterioration can be prevented from occurring even when an organic insulating film is used as an insulating film for the light-emitting device. In addition, it is an object of the present invention to provide a light-emitting device where reliability for a long period of time can be improved. A structure of an inorganic film, an organic film, and an inorganic film is not continuously provided from under a sealing material under a cathode for a light-emitting element. In addition, penetration of water is suppressed by defining the shape of the inorganic film that is formed over the organic film even when a structure of an inorganic film, an organic film, and an inorganic film is continuously provided under a cathode for a light-emitting element. | 2010-10-07 |
20100253218 | PHOTOCATHODE, ELECTRON TUBE, AND PHOTOMULTIPLIER TUBE - In the photocathode, an underlayer made of a crystalline material containing La | 2010-10-07 |
20100253219 | HIGH PRESSURE SODIUM LAMP - The present invention relates to a high pressure sodium lamp comprising an evacuated cover including a base part, an arc tube comprising a first and a second electrode each being connected to the base part via conductor members. At least one conductor member is arranged isolated by a shielding member for preventing, during operation of the high pressure sodium lamp, the photo electronic stream from the at least one conductor member to the arc tube. The lamp comprises a second arc tube. | 2010-10-07 |
20100253220 | METAL VAPOR DISCHARGE LAMP AND ILLUMINATION DEVICE - A metal vapor discharge lamp and a lighting fixture are downsized without causing breakage of an outer tube because of optimization of a positional relation among the outer tube ( | 2010-10-07 |
20100253221 | LED BULB - An LED bulb uses an LED strip suspended between two lead frames of a stem as a light source to provide uniform illumination with wider angles. The lead frames of the stem provide an improved structural stability to the LED strip while maintaining a reliable electrical connection between the components of the stem and the LED strip. The utilization of both top-emitting and side-emitting LEDs on the LED strip further allows lights emitted in directions substantially parallel and perpendicular to the LED strip to cover a wide angle of illumination from the LED bulb. | 2010-10-07 |
20100253222 | ORGANIC EL DEVICE, METHOD OF MANUFACTURING ORGANIC EL DEVICE, AND ELECTRONIC DEVICE - An organic EL device includes: a base body; pixels that are arranged in the base body and emit light beams having either of at least two different colors from among red, green and blue; an reflection layer that has optical reflectivity and arranged on the base body; an anti-reflection layer that is arranged on the reflection layer and has optical reflectivity lower than that of the reflection layer; an insulation layer that is arranged on the anti-reflection layer and has optical transmittance; a first electrode that is arranged in each pixel on the insulation layer and has optical transmittance; an organic functional layer that is arranged on the first electrode and includes at least a luminescent layer; a second electrode that is arranged on the organic functional layer and has optical reflectivity and optical transmittance; and an optical resonator that is formed between the reflection layer and the second electrode to resonate the light from the organic functional layer, wherein the optical resonator has a resonance wavelength corresponding to the color of the light emitted from the pixels in a first area out of an area of the pixels, and the anti-reflection layer is provided in an area except for the first area out of the area of the pixels. | 2010-10-07 |
20100253223 | VEHICULAR HEADLAMP - A vehicular headlamp, wherein a light source unit for light distribution formation is accommodated inside a lamp chamber defined by a lamp body and a front cover, includes a metal heat transfer member that serves as a light source unit structural member; a light-emitting element that serves as a light source; a fan for cooling the light-emitting element provided inside the lamp chamber; and a lighting circuit that controls lighting of the light-emitting element. The light-emitting element, the fan, and the lighting circuit are each attached to the metal heat transfer member. | 2010-10-07 |
20100253224 | MODULATED MULTI-FREQUENCY PROCESSING METHOD - A method is provided for operating a processing system having a space therein arranged to receive a gas and an electromagnetic field generating portion operable to generate an electromagnetic field within the space. The method includes providing a gas into the space, and operating the electromagnetic field generating portion with a driving potential to generate an electromagnetic field within the space to transform at least a portion of the gas into plasma. The driving potential as a function of time is based on a first potential function portion and a second potential function portion. The first potential function portion comprises a first continuous periodic portion having a first amplitude and a first frequency. The second potential function portion comprises a second periodic portion having an maximum amplitude portion, and minimum amplitude portion and a duty cycle. The maximum amplitude portion is a higher amplitude than the minimum amplitude portion. The duty cycle is the ratio of a duration of the maximum amplitude portion to the sum of the duration of the maximum amplitude portion and the duration of the minimum amplitude portion. The second periodic portion additionally has a second frequency during the maximum amplitude portion. An amplitude modulation of the second periodic portion is phase locked to the first continuous periodic portion. | 2010-10-07 |
20100253225 | LIGHT DEVICE AND METHOD OF MANUFACTURING A LIGHT DEVICE - Light device comprising a substrate, at least one photo-organic layer, at least two electrode layers electrically separated by said at least one photo-organic layer, and at least one encapsulation layer, wherein said at least one photo-organic layer is positioned between said substrate and said at least one encapsulating layer, and wherein multiple openings are provided that extend through the light device to allow fluids and or heat to pass through, said openings being spaced apart from said at least one photo-organic layer. | 2010-10-07 |
20100253226 | ENERGY-SAVING LIGHTING FIXTURE - An energy-saving lighting fixture includes a light transmissive tubular enclosure including an inner tube defining an inner compartment therein, and an outer tube disposed around and spaced apart from the inner tube to define an outer compartment therebetween. As such, the tubular enclosure has a double-tube structure. A lamp assembly includes at least one lamp device disposed fixedly in the inner compartment of the tubular enclosure. | 2010-10-07 |
20100253227 | LIGHT FIXTURE AND DRIVING CIRCUIT THEREOF - A light fixture includes a CCFL and a driving circuit. The driving circuit includes a first voltage converter and a high-voltage inverter. The first voltage converter provides a DC voltage signal according to a power signal. The high-voltage inverter comprises a second voltage converter and a first transformer. The second voltage converter converts the DC voltage signal into an AC voltage signal. The first transformer is corresponding to the first CCFL and includes a first primary winding circuit and a first secondary winding circuit. The first primary winding circuit has a first input voltage signal in response to the AC voltage signal. The first secondary winding circuit is coupled with the first input voltage signal to generate a first output voltage signal for driving the first CCFL. The first primary and secondary winding circuits belong to a primary-side circuit and receive the same ground voltage signal. | 2010-10-07 |
20100253228 | BRIGHTNESS CONTROL OF A STATUS INDICATOR LIGHT - An apparatus and method for controlling the brightness and luminance of a light, such as an LED. The embodiment may vary the brightness and luminance of the LED in a variety of ways to achieve a variety of effects. The exemplary embodiment may vary the rate at which the LED's luminance changes, such that an observer perceives the change in the LED's brightness to be smooth and linear as a function of time, regardless of the ambient light level. Changes to the LED's luminance may be time-constrained and/or constrained by a maximum or minimum rate of change. | 2010-10-07 |
20100253229 | LUMINAIRE AND A METHOD FOR CONTROLLING A LUMINAIRE - This invention relates to a luminaire comprising an OLED device, where a light detecting function of the OLED device is employed for transmitting light setting commands to the luminaire from a remote position by means of a control light signal, which carries command information. The control light signal has a header portion, which can be recognized by the luminaire and makes it ready to receive a command, and a following control command portion. | 2010-10-07 |
20100253230 | VEHICLE ENTERTAINMENT AND COMMUNICATION SYSTEM PERSONAL CONTROL UNIT WITH RACETRACK LIGHTING DESIGN - A personal control unit (PCU) for a transportation-based entertainment system comprises a number of buttons. Illumination is provided for the buttons by illuminating a border region that is rounded containing some of the keys, and is provided for some of the buttons themselves. A light diffusion mechanism is provided between the illumination source and the illuminated regions related to the keys so that the illumination appears even across the entire PCU. A controller may adjust the illumination level and color of the illumination source. A system may be provided for matching at least one of color and brightness of the PCU lighting with cabin lighting. | 2010-10-07 |
20100253231 | ELECTRODELESS PLASMA LAMP SYSTEMS AND METHODS - Systems and methods for an electrodeless plasma lamp as described. A drive probe is coupled to the lamp body to provide the primary power for ignition and steady state operation of the lamp. Feedback is used to adjust frequency in response to changing conditions of the lamp during startup. A phase shifter is used to adjust the phase of the power between ignition and steady state operation. A sensor may detect a lamp operating condition that automatically triggers a shift in phase after the fill in the bulb is vaporized. The phase shift may then continue to be adjusted as the plasma heats up and the impedance continues to change. The bias conditions of an amplifier may be changed to change the operating class of the amplifier for different modes of the lamp. | 2010-10-07 |
20100253232 | DIMMABLE LIGHT GENERATING DEVICE - A compact gas discharge lamp ( | 2010-10-07 |
20100253233 | DISCHARGE LAMP LIGHTING DEVICE AND LIGHT FIXTURE - In order to suppress cost of an initial investment by a user and running cost to the user to a low extent while substantially constantly maintaining an apparent illuminance, and further, to realize resource saving, in a case of using a fluorescent lamp FHF | 2010-10-07 |
20100253234 | POWER SUPPLY HAVING AN AUXILIARY POWER STAGE FOR SUSTAINING SUFFICIENT POST IGNITION CURRENT IN A DC LAMP - The current invention provides a power supply that includes an igniter that generates an ignition voltage for igniting a DC lamp; an auxiliary power stage that outputs an auxiliary voltage for sustaining sufficient current in the DC lamp after the DC lamp is ignited; a voltage conversion stage coupled to the auxiliary power stage and generating a voltage at a level that is higher than the auxiliary voltage; and a switch that couples the auxiliary voltage to the DC lamp and the voltage conversion stage for a predefined period of time. | 2010-10-07 |
20100253235 | Non-flashing brightness adjusting device for non-resistive light-emitting load - A non-flashing brightness adjusting device for a non-resistive light-emitting load has a brightness adjuster and a conductive current sustainer. The brightness adjuster has an AC silicon-controlled rectifier (SCR) and an adjustable trigger unit. By adjusting the adjustable trigger unit and setting a trigger angle of the TRIAC, a total output current of the brightness adjuster is adjusted. The conductive current sustainer is connected to the output terminal of the brightness adjuster for a non-resistive light-emitting load to connect. When the trigger angle of the TRIAC is greater than 90 degrees, the conductive current sustainer keeps the current flowing through the anode and cathode of the TRIAC not lower than its threshold current to maintain the conduction of the TRIAC. Therefore, the non-resistive light-emitting load keeps receiving the required working power and does not flash. | 2010-10-07 |
20100253236 | HIGH PRESSURE DISCHARGE LAMP LIGHT SOURCE DEVICE - In order to maintain a stable arc and avoid wear of the projections of electrode tip ends even if the lamp is lighted with a lamp power of at most 70% of the nominal electric power, a high pressure discharge lamp light source device is provided comprised of a high pressure discharge lamp having a discharge vessel made from quartz glass and a pair of electrodes arranged oppositely to each other with a spacing of at most 2.0 mm, each electrode having a projection formed at a tip end thereof, and mercury of at least 0.20 mg/mm | 2010-10-07 |
20100253237 | OPTIMIZED APPLICATOR STRUCTURES FOR HOMOGENEOUS DISTRIBUTION OF ELECTRO-MAGNETIC FIELDS IN GAS DISCHARGE LAMPS - Various embodiments provide an electrodeless high intensity discharge lamp (EHID), including: a bulb containing a fill mixture for generating a light emission when excited by microwave energy; and at least two applicator arms for coupling the microwave energy to the fill mixture, the at least two applicator arms being separated by at least one delay line, the at least one delay line introducing a delay of λ/4, wherein λ is the wavelength of the microwave energy, wherein each of the at least two applicator aims are coupled to each other via an open loop structure. | 2010-10-07 |
20100253238 | High-Frequency Lamp and Method for the Operation Thereof - A high-frequency lamp ( | 2010-10-07 |
20100253239 | BRIGHTNESS CONTROL OF A STATUS INDICATOR LIGHT - An apparatus and method for controlling the brightness and luminance of a light, such as an LED. The embodiment may vary the brightness and luminance of the LED in a variety of ways to achieve a variety of effects. The exemplary embodiment may vary the rate at which the LED's luminance changes, such that an observer perceives the change in the LED's brightness to be smooth and linear as a function of time, regardless of the ambient light level. Changes to the LED's luminance may be time-constrained and/or constrained by a maximum or minimum rate of change. | 2010-10-07 |
20100253240 | PWM CONTROL METHOD AND DEVICE AND LIGHT ADJUSTING DEVICE - A PWM control method increases/decreases a duty ratio of a PWM signal with a predetermined resolution so to control the duty ratio of the PWM signal in the case of a PWM control. The resolution of the duty ratio of the PWM signal is increased to make a high period in the duty ratio of the PWM signal longer than a rise time of the PWM signal if the high period is shorter than the rise time. The resolution of the duty ratio of the PWM signal is increased to make a low period in the duty ratio of the PWM signal longer than a fall time of the PWM signal if the low period is shorter than the fall time. | 2010-10-07 |
20100253241 | Low Cost System Concept for Gesture Light Control - A lighting system comprising a lamp comprising an array of LEDs arranged to transform electricity into a light beam having properties such as intensity, colour, colour temperature; a fight control means comprising a LED driver and a pulse width modulator arranged to adjust said light beam properties; a DA-converter, an ultrasound driver and an ultrasonic transmitter arranged to convert a digital transmit signal into the transmission of an ultrasonic pulse; an ultrasonic receiver and an amplifier arranged to receive reflected ultrasonic signals and transform said ultrasonic signal in a voltage, and a comparator arranged to generate a digital receive signal if said voltage is greater than a predetermined threshold; a processing means arranged to derive a time-of-flight signal representing the time differences between said digital transmit and receive signals and to send control signals to said light control means in dependence of said time-of-flight signal. | 2010-10-07 |
20100253242 | STATE CYCLING APPARATUS AND METHOD, AND CONTROL CIRCUIT FOR A LAMP - A state cycling apparatus uses a capacitor instead of complicated and expensive microcontroller to fulfill a state cycling function of a system. The state cycling apparatus includes an internal circuit in the system connected to the capacitor. In a first embodiment, the internal circuit reads the voltage level on the capacitor at power on to determine a current state for the system, and writes the voltage level corresponding to a next state of the system to the capacitor. In a second embodiment, the system reads the state data stored in the internal circuit to determine a current state for the system at power on, the capacitor is charged during the system is under power on, and the capacitor provides power for the internal circuit to store a state data after the system is powered off. | 2010-10-07 |
20100253243 | LAMP DRIVING CIRCUIT - The present invention provides a lamp driving circuit including a first printed circuit board and a second printed circuit board, wherein the first printed circuit board includes a switching unit for switching an input power source; a control unit for controlling the switching unit; an inverter transformer connected to the switching unit; and a voltage conversion unit for converting a feedback reference current for controlling an output current applied from the inverter transformer into a reference voltage to apply the reference voltage to the control unit by being connected to the inverter transformer, the voltage conversion unit is connected to a first feedback terminal, and the second printed circuit board includes a plurality of balance coils connected to a plurality of lamps so that the same output currents are applied to the lamps; and a current conversion unit connected to a second feedback terminal. | 2010-10-07 |
20100253244 | Fluorescent Lamp Dimming Controller Apparatus and System - A dimming controller and system is provided in either discrete or integrated form and includes a single electronic controller device and a dimming ballast for installation in an overhead fluorescent fixture. The system functions to sense power line changes caused by the flicking of a switch between OFF and ON and controls the light dimming accordingly. The power line changes may be either changes in mains frequency or user caused switch toggling. | 2010-10-07 |
20100253245 | METHOD, SYSTEM AND CURRENT LIMITING CIRCUIT FOR PREVENTING EXCESS CURRENT SURGES - The present invention relates to a method, system and current limiting circuit configured to limit the excess output current passing through a load, said current limiting circuit comprising a resistor connected in series with said load and in parallel with a switch, which is initially turned OFF, wherein said switch is turned ON, thereby shorting said resistor, when the output voltage applied to said load is decreased by a predetermined level. | 2010-10-07 |
20100253246 | DIELECTRIC BARRIER DISCHARGE LAMP CONFIGURED AS A DOUBLE TUBE - The invention relates to a dielectric barrier discharge lamp in a coaxial double-tube arrangement, comprising an exterior electrode ( | 2010-10-07 |
20100253247 | ELECTRONIC CANDLE - An electronic candle includes a main body, a lamp unit fixed on the main body; and a detecting system received in the main body. The main body includes a top plate. The top plate defines a plurality of air ducts communicating with the inside of the main body. The detecting system includes a temperature detector configured for detecting an air temperature traveling through the air ducts from the lamp unit of the inside of the main body and outputting the temperature as an analog electrical signal, an analog-to-digital convertor configured for converting analog electrical signal into a digital signal, a storage unit configured for buffering the digital signal and storing a predetermined temperature value, a switching unit continuing or discontinuing the power to the lamp unit; and a processor for comparing the digital signal with the predetermined temperature and instructing the switching unit to turn off the lamp unit. | 2010-10-07 |
20100253248 | PHOSPHOR LAYER ARRANGEMENT FOR USE WITH LIGHT EMITTING DIODES - Phosphor layer arrangement for use with light emitting diodes. In an aspect, a light emitting diode apparatus is provided that includes a least one light emitting diode, an encapsulation covering the at least one light emitting diode, a lens having a phosphor layer formed upon a bottom surface, the lens positioned to cover at least part of the encapsulation, and an air gap between the phosphor layer and the encapsulation. In an aspect, a light emitting diode lamp is provided that includes a package, a least one light emitting diode, an encapsulation covering the at least one light emitting diode, a lens having a phosphor layer formed upon a bottom surface, wherein the lens is positioned to cover at least part of the encapsulation, and an air gap between the phosphor layer and the encapsulation. | 2010-10-07 |
20100253249 | FAN ARRANGEMENT - A fan arrangement ( | 2010-10-07 |
20100253250 | CURRENT CONTROLLER FOR AN ELECTRIC MACHINE - A current controller for an electric machine that includes an input, an output, a threshold generator and a comparator. The threshold generator stores a scaling factor and includes a PWM module that operates on a reference voltage to generate a threshold voltage. The duty cycle of the PWM module is then defined by the scaling factor. The comparator compares a voltage at the input against the threshold voltage and causes an overcurrent signal to be generated at the output when the voltage at the input exceeds the threshold voltage. | 2010-10-07 |
20100253251 | DEVICE FOR SUPPLYING ENERGY TO A LONG STATOR WINDING HAVING MULTIPLE WINDING SECTIONS - A device for supplying energy to a long stator winding having multiple winding sections. The device includes an energy source, a supply line connected to the energy source, section switches that are connected to the supply line and that each have a connection for connecting the switch to one winding section each. The device is configured to enable reactive (idle) power compensation independently of the closed-loop control of the energy source. The device for the reactive power compensation is configured to adjust the impedance of the device. | 2010-10-07 |
20100253252 | MOTOR CONTROL SYSTEM FOR ACHIEVING PEAK TORQUE - In a motor controller, a modified interpolation technique uses an extrapolated torque command for the upper table to improve torque linearity under certain conditions. When the torque command input is greater than the max torque limit of a first look-up table, but less than the maximum torque limit of a second, adjacent look-up table, the desired current command is computed by interpolating between the maximum torque limit of the first table and a revised torque value for the second look-up table, wherein the revised torque value is determined by extrapolating from the maximum torque limit of the first look-up table through a torque value based on the torque command input. | 2010-10-07 |
20100253253 | MOTOR DRIVING APPARATUS - A controller for a motor driving apparatus switches a direction of electricity flowing through a first coil according to a first lead angle signal obtained based on a first magnetic pole detecting signal and a second magnetic pole detecting signal. The controller switches a direction of electricity flowing through a second coil according to a second lead angle signal obtained based on the first magnetic pole detecting signal and the second magnetic pole detecting signal. Thus, a motor driving apparatus can be configured such that the angle of the rotation center of the rotor with respect to two magnetically sensitive poles can freely be selected. | 2010-10-07 |
20100253254 | WOUND FIELD SYNCHRONOUS MOTOR DRIVE - A hybrid synchronous motor drive circuit and method operates in one or two or more modes based on the speed of the synchronous machine. In a first mode, the synchronous machine is driven at a relatively low frequency by a current controlled voltage source inverter (VSI). In a second mode, the synchronous machine is driven at a relatively high frequency by a load commutated inverter (LCI) in tandem with the VSI. In the second mode, the LCI acts as the main power source for controlling the machine and determining machine torque and speed. The VSI acts as a harmonic compensator by compensating the dominant harmonic currents fed to the machine from the LCI such that the synchronous machine will see sinusoidal currents and thereby sinusoidal voltages at its terminals. The VSI also functions to provide sufficient reactive power at fundamental frequency so that the thyristors in the inverter are load commutated. | 2010-10-07 |
20100253255 | WOUND FIELD SYNCHRONOUS MOTOR DRIVE - A hybrid synchronous motor drive circuit and method operates in one or two or more modes based on the speed of the synchronous machine. In a first mode, the synchronous machine is driven at a relatively low frequency by a current controlled voltage source inverter (VSI). In a second mode, the synchronous machine is driven at a relatively high frequency by a load commutated inverter (LCI) in tandem with the VSI. In the second mode, the LCI acts as the main power source for controlling the machine and determining machine torque and speed. The VSI acts as a harmonic compensator by compensating the dominant harmonic currents fed to the machine from the LCI such that the synchronous machine will see sinusoidal currents and thereby sinusoidal voltages at its terminals. The VSI also functions to provide sufficient reactive power at fundamental frequency so that the thyristors in the inverter are load commutated. | 2010-10-07 |