29th week of 2010 patent applcation highlights part 16 |
Patent application number | Title | Published |
20100181858 | FLUX CONCENTRATOR FOR IRONLESS MOTORS - In one possible embodiment, a magnet array for a motor is provided which has an array of permanent magnets being arranged such that flux from the permanent magnets reinforce on one side of the array and substantially cancel on an opposite side of the array, the array further includes flux concentrators located at poles on the reinforcing side of the array. | 2010-07-22 |
20100181859 | RADIALLY ANISOTROPIC RING R-TM-B MAGNET, ITS PRODUCTION METHOD, DIE FOR PRODUCING IT, AND ROTOR FOR BRUSHLESS MOTOR - A method for producing a radially anisotropic ring magnet having at least one axial groove on the inner surface comprises using a die comprising a cylindrical, magnetic core, a magnetic sleeve having an axial ridge in alignment with the groove on the outer surface and disposed on an outer peripheral surface of the core, and an outer, cylindrical die member defining a cavity for forming the ring magnet with the magnetic sleeve, and compression-molding magnet powder charged into the cavity while applying a magnetic field in a radial direction, and a radially anisotropic ring magnet substantially having a composition of R-TM-B, wherein R is at least one of rare earth elements including Y, TM is at least one of transition metals, and B is boron, having at least one axial groove on the inner surface, and magnetized such that centerlines between magnetic poles do not overlap grooves. | 2010-07-22 |
20100181860 | Method for making electrical windings for electrical machines and winding obtained by said method - This invention presents a novel method for designing and manufacturing electrical windings for electrical machines. The presented manufacturing technique gives possibilities for an increased filling factor compared to conventional technique and improved heat transfer through application of thermally conductive compounds. Proposed winding schemes avoid intersection between different winding layers in the end-winding region. This helps automating winding production, simplifies insulation between winding layers and, if this is necessary, simplifies insertion of the winding. Both these factors affect the cost and reliability of the winding. This method is applicable for a broad range of electrical machines and allows easy automation of the winding process. | 2010-07-22 |
20100181861 | MOTOR DEVICE MOUNTED ON MOBILE BODY AND MOBILE BODY HAVING THE MOTOR DEVICE MOUNTED THEREON - In a motor device 300 mounted on a mobile body, a pressurizing mechanism for increasing the pressure in a motor chamber 14 in which a motor is installed has a compressor 30, which is driven to rotate by an engine 20 serving as driving means for driving the mobile body, to produce compressed air for motor chamber pressurization, and the compressed air coming from the compressor 30 is fed into the motor chamber 14 through a pipe 72 almost constantly while the engine 20 is being driven. | 2010-07-22 |
20100181862 | STATOR FOR AN ELECTRIC DRIVE MOTOR - The invention relates to a stator ( | 2010-07-22 |
20100181863 | Electronic motor - There is provided an electronic motor in which a stator core is thinned to obtain an increased diameter of a rotor is to produce a high power output, and a stator can be positioned with high accuracy at the time when a coil is wound on the stator. The outside peripheral surface of a yoke part | 2010-07-22 |
20100181864 | ROTATING ELECTRIC MACHINE - A rotating electric machine includes a stator having a plurality of winding phases formed by distributed winding, a rotor having a plurality of magnetic poles and an outer circumference facing the stator, a first groove formed in the outer circumference of the rotor, a second groove formed in a position opposite to reference magnetic poles closest to the first groove, of the magnetic poles, with respect to the first groove, and a protrusion positioned between the first groove and the second groove and defined by the first and second grooves, and a ratio of a width half the width of the protrusion in a circumferential direction of the rotor to a width of the first groove and the second groove in the circumferential direction of the rotor is not smaller than 0.37 and not greater than 6. | 2010-07-22 |
20100181865 | STRUCTURE OF CASING OF SMALL STEPPING MOTOR - Disclosed herein is a structure of a casing of a small stepping motor having an outer diameter of 8 mm or less, in which a plurality of yoke teeth is integrally formed on the inner surface of the casing, and the thickness of the outer wall of the casing is different from the thickness of each of the yoke teeth, thus reducing a production cost and improving a process. | 2010-07-22 |
20100181866 | REDUCED VOLTAGE MEMS ELECTROSTATIC ACTUATION METHODS - Cantilever beam electrostatic actuators are disclosed. A cantilever beam electrostatic actuator in accordance with the present invention comprises an actuator beam having a first width at a support anchor point and a second width at a distal end of the actuator, wherein the first width is narrower than the second width. Another actuator in accordance with the present invention comprises an actuator region, having a first width, a beam, having a second width, coupled between an edge of the actuator region and a pivot point, the beam being approximately centered on the actuator region, wherein the second width is narrower than the first width, and at least one auxiliary actuator flap, coupled to the actuator region, the at least one auxiliary actuator flap coupled to the actuator region along the edge of the actuator region, the at least one auxiliary actuator flap being farther away from a centerline of the actuator than the beam. | 2010-07-22 |
20100181867 | PIEZOELECTRIC VIBRATION DEVICE SYSTEM AND ELECTRONICS APPARATUS - A piezoelectric vibration device system includes a piezoelectric vibration device that performs predefined movements using the vibration of the piezoelectric element; and a control unit that controls the behavior of the piezoelectric vibration device by controlling the frequency of the piezoelectric element, where the control unit includes: a first signal generating unit that generates a fundamental frequency signal having a fundamental frequency adjacent to the mechanical resonance frequency of the piezoelectric element; a second signal generating unit that generates a variable frequency signal whose frequency periodically rises or falls; and a frequency modulator that generates a frequency modulated signal, whose frequency changes into one of three or more frequencies existing around the fundamental frequency periodically and in sequence, by executing frequency modulation using the fundamental frequency signal and the variable frequency signal, and that outputs the frequency modulated signal as a control signal for controlling the piezoelectric vibration device. | 2010-07-22 |
20100181868 | MULTI-PORT MECHANICAL RESONATING DEVICES AND RELATED METHODS - Multi-port devices having multiple electrical ports are described, as are related methods. Some of the multi-port devices may have two input ports and two output ports, and may be driven differentially, in a single-ended mode, in a single-ended to differential mode, or in a differential to single-ended mode. The multi-port devices may include one or more transducers coupled to the electrical ports. | 2010-07-22 |
20100181869 | Ultra-thin film electrodes and protective layer for high temperature device applications - An ultra-thin film electrode including at least one electrically conductive layer disposed upon an adhesive layer that is carried by a substrate. | 2010-07-22 |
20100181870 | VIBRATORY ACTUATOR AND DRIVE UNIT INCLUDING THE SAME - The drive efficiency of a vibratory actuator is improved without increasing a weight of a driver element. | 2010-07-22 |
20100181871 | SENSORS AND ACTUATORS USING PIEZO POLYMER LAYERS - A device has a substrate, a piezo polymer layer arranged adjacent the substrate, a first electrode in contact with a first side of the layer, and a second electrode arranged adjacent the first electrode, such that when the piezo layer flexes, the first and second electrodes are arranged to detect one of a change in voltage or resistance, wherein at least one of the piezo polymer layer or the electrodes are deposited by printing. A method including depositing a spacer layer onto a substrate, depositing a piezo polymer layer onto the substrate, patterning an array of first electrodes in contact with the piezo polymer layer, and patterning an array of second electrodes adjacent the array of first electrodes, wherein depositing includes one of printing and laminating and pattering includes one of printing and etching. A method including laminating a piezo polymer layer onto a substrate, such that the layer forms at least one cantilever beam, forming a first electrode on one side of the layer, arranging a second electrode adjacent the first electrode, printing a polymer layer on the cantilever beam, and printing a proof mass on the cantilever beam. | 2010-07-22 |
20100181872 | PIEZOELECTRIC VIBRATOR - A piezoelectric oscillator is provided, which has a through electrode providing reliable conduction between a piezoelectric vibrating piece and an external electrode with rare occurrence of a large stress caused by temperature variation in processing or deformation of a mounted base substrate, while the hermeticity of a cavity is maintained. A piezoelectric oscillator having a piezoelectric vibrating piece sealed in a cavity defined between a base substrate and a lid substrate includes a through electrode disposed in a through hole penetrating through the base substrate, and the through electrode has a glass frit filled in the through hole and fired and a core formed of a material containing only iron and nickel and disposed in the through hole together with the glass frit. The values of the thermal expansion coefficients of the base substrate, the glass frit, and the core are set as: base substrate glass≧frit>core. | 2010-07-22 |
20100181873 | METHOD FOR MANUFACTURING AN ELECTRIC MACHINE AND ELECTRIC MACHINE FOR A HYBRID VEHICLE - A method for manufacturing an electric machine, made up of a housing, a stator accommodated in the housing, which is formed from a stator body and stator windings, a rotor, which is supported in the housing so as to be rotatable about a rotor axis, and a bearing support fastened on the housing, the housing being manufactured in that a housing foam part is manufactured from at least three individual foam parts and a housing cast blank is manufactured using the housing foam part in accordance with a lost foam casting method. For this purpose, individual foam parts are made up of a center disk, which has an essentially hollow-cylindrical design and forms an intermediate piece of a housing foam part, an annular disk, which has an essentially hollow-cylindrical design and forms another intermediate piece of the housing foam part, and a bearing support disk, which has an essentially cup-shaped design and forms an end of the housing foam part. The method allows for a flexible design of the housing of the electric machine using as few tools as possible to manufacture the housing foam part. | 2010-07-22 |
20100181874 | SPINDLE MOTOR COMPONENT OF HARD DISK DRIVER WITH COMPOSITE COATING LAYER AND COMPOSITE COATING METHOD THEREOF - A spindle motor component of hard disk with composite coating layer and a composite coating method hereof. The spindle motor component of hard disk includes a motor component base ( | 2010-07-22 |
20100181875 | SPINDLE MOTOR, DISK DRIVE APPARATUS USING SPINDLE MOTOR, AND METHOD OF MANUFACTURING SPINDLE MOTOR - A spindle motor includes a shaft arranged in an upward/downward direction along a central axis; a base member including a substantially cylindrical holder portion arranged around the central axis; a bearing unit arranged radially inward of the holder portion; and a rotating portion arranged above the base member to rotate about the central axis. The rotating portion preferably includes a mounting surface on which a disk is to be mounted. An adhesive containing an electrically conductive material and an adhesive containing an externally stimulated curing material and/or an anaerobic curing material are arranged in a clearance space defined between an inner circumferential surface of the holder portion and an outer circumferential surface of the bearing unit. The adhesive containing the electrically conductive material is arranged above the adhesive containing the externally stimulated curing material and/or the anaerobic curing material. | 2010-07-22 |
20100181876 | INVERTER-INTEGRATED ELECTRIC COMPRESSOR - An inverter-integrated electric compressor in which it is possible to make an inverter device and an inverter accommodating section small and compact and which, at the same time, has high reliability enabling interference of electromagnetic noise from a high-voltage bus-bar to be suppressed is provided. An inverter-integrated electric compressor in which an inverter accommodating section is provided on a periphery of a housing, and an inverter device is accommodated inside thereof, wherein the inverter device includes a power circuit board and a control board wherein a high-voltage bus-bar connecting a high-voltage line and high-voltage components disposed in the interior of the inverter accommodating section is disposed in a space above the power circuit board and the control board, and wherein a shield plate is provided between the high-voltage bus-bar and an inverter module. | 2010-07-22 |
20100181877 | INVERTER-INTEGRATED ELECTRIC COMPRESSOR - Provided is an inverter-integrated electric compressor capable of reducing the size of an inverter accommodating section by modularizing a power circuit board and a control board and further reducing the size of an inverter device, as well as an accommodating section thereof, by improving the positional structure with respect to other electrical components. An inverter-integrated electric compressor including an inverter accommodating section provided on a periphery of a housing accommodating an inverter device includes an inverter module constructed by integrally modularizing a power circuit board and a control board, wherein attachment legs provided on both edges of at least one side surface of the inverter module protrude outward from a module main body, and the inverter module accommodates the inverter accommodating section with the attachment legs positioned in spaces at both ends of a glass-insulated terminal. | 2010-07-22 |
20100181878 | POWER OUTPUT DEVICE AND POWER ENHANCEMENT MEMBER - A power output device and a power enhancement member are provided. The power output device includes: a basic power supply member, a driving shaft, an output shaft, a clutch and a power enhancement member. The power enhancement member includes a rotation portion and a plurality of weight elements arranged on the rotation portion. In operation, the rotation portion rotates together with and around the output shaft, the plurality of weight elements in turn rotate together with the rotation portion around the output shaft. Meantime, the plurality of weight elements also make predetermined reciprocating movement relative to the rotation portion, such that the center of gravity of the power enhancement member is always offset from the output shaft towards a constant direction, thereby to promote and stabilize the rotation of the output shaft. The present invention is especially useful in applications that need large power output. | 2010-07-22 |
20100181879 | A DRIVER DEVICE FOR A BICYCLE DYNAMO - A driver for a bicycle dynamo connected to the dynamo includes a first driven wheel ( | 2010-07-22 |
20100181880 | OUTER CABINET AND ELECTRICAL APPLIANCE USING THE SAME - An outer cabinet and an electrical appliance using the cabinet include an affixing surface on which a material to be affixed is affixed. The affixing surface includes an inner groove portion inside the outer peripheral edge of a nameplate as the material to be affixed. The rear surface, which is on the opposite side of the affixing surface, includes an outer groove portion in the vicinity of the position opposite to the outer peripheral edge of the nameplate. | 2010-07-22 |
20100181881 | Systemic cabinet - A systemic cabinet is composed of multiple boards and multiple connecting pieces. Each board has multiple mortises defined at sides respectively to combine the corresponding connecting pieces with supporting strength by wedging to perform configuration of the systemic cabinet. The connecting pieces have multiple types in design variation to provide orientation-positioning efficiency and have supporting strength to make the composed systemic cabinet firm and stable. Therefore, once one board is worn out, only the worn board is replaced by detaching the connecting pieces to save other elements and to make the replacement easy and environmental for future repair. | 2010-07-22 |
20100181882 | Guide Mechanism for Door and Apparatus Provided Therewith - A guide mechanism for a door comprises a first guide unit and a second guide unit; the first guide unit is coupled to a second side frame plate at an opening end of a casing; the second guide unit is coupled to a movable side of the door; the second guide unit is disposed with a groove, a upside of an outer end of the groove is disposed with a propping inclined face; an inner end of the propping inclined face is lower than an outer end thereof ; the movable side of the door will then not incline downward when the groove accepts the first guide unit and the first guide unit is propped against a upside of an inner side of the groove. | 2010-07-22 |
20100181883 | REINFORCING COMPONENT FOR REFRIGERATOR - The reinforcing component for a refrigerator, which is formed by mixing a base material as a synthetic resin material and a supplement component formed by arranging reinforcing fibers according to a pultrusion method, and combined with one or more portions of on one portion of an inner side of an outer case of the refrigerator to contact with foam, a corner of the bottom of the refrigerator or in a mechanic chamber of the refrigerator, an outer plate or an inner plate of a door of the refrigerator, and the interior of a side wall forming an inner space of the refrigerator can reduce the weight of the refrigerator while maintaining the strength. | 2010-07-22 |
20100181884 | REFRIGERATOR SHELF WITH GLASS RECEIVING SLOT - An encapsulated refrigerator shelf is assembled by interconnecting a platform, such as a glass panel, within a peripheral frame. More specifically, a peripheral shelf frame is formed with a split side portion defining upper and lower frame portions which are spaced by an elongated slot. The encapsulated glass refrigerator shelf is made by slidably inserting the platform onto peripheral frame support structure through the slot formed between the upper and lower frame portions. The frame is also formed with retaining structure to maintain the platform in place once the platform is inserted a requisite amount within the peripheral frame. | 2010-07-22 |
20100181885 | LED LAMP ASSEMBLYl - A robust LED lamp may be assembly by forming a heat sinking sandwich with two metal heat sinks positioned around the circuit board and pinned together a heat conductive element. The assembly is positioned by pressing it into a base providing electrical connections. The robust assembly is rapidly assembled, thermally effective in draining or spreading heat from the circuit board and is readily adaptable to a variety of applications lighting. The heat sink may be decorated, colored or otherwise esthetically enhanced for consumer appreciation. | 2010-07-22 |
20100181886 | Heat dissipating module - A heat dissipating module is adapted for transferring heat from a heat source. The heat dissipating module includes a first heat sink, a fan, a second heat sink, and a partition. The first heat sink is adapted to be connected to the heat source and has an outlet. The fan is disposed adjacently to the first heat sink. The second heat sink is connected to the first heat sink. The partition is disposed between the first heat sink and the second heat sink and has an inlet, and the position of the inlet is corresponding to the position of the fan. An airflow driven by the fan is capable of flowing through the second heat sink, the inlet, and the first heat sink in sequence, and the airflow is capable of exiting from the outlet of the first heat sink. | 2010-07-22 |
20100181887 | LIGHT EMITTING DEVICE - A light emitting device with improved heat dissipation is provided. The light emitting device includes a first lead frame, a second lead frame, a light emitting element and a housing. The first lead frame includes a light emitting element mounting portion, a first heat dissipation portion extending from the light emitting element mounting portion in a first direction, and second and third heat dissipation portions extending from the light emitting element mounting portion in a second direction opposite to the first direction. The second lead frame extends in the second direction and is disposed between and spaced apart from the second and third heat dissipation portions. The light emitting element is mounted on the light emitting element mounting portion and is electrically coupled to the first and second lead frames. The housing encapsulates the first and second lead frames. The second and third heat dissipation portions have a first width and the second lead frame has a second width the same as or different from the first width. | 2010-07-22 |
20100181888 | LIGHT EMITTING DIODE LAMP - A light emitting diode (LED) lamp is disclosed, which comprises: a base; a tube, mounted on the base and configured with a plurality of first openings; a mask, for receiving a portion of the tube inside the same and being configured with a plurality of second openings; a plurality of light emitting diodes (LEDs), each being mounted at the exterior periphery of the tube; and a fan, being arranged connecting to the tube; wherein, the operation of the fan is going to cause air convention between the tube and the mask for dissipating the heat generated from the LEDs with high efficiency. | 2010-07-22 |
20100181889 | HEAT SINK WITH HELICAL FINS AND ELECTROSTATIC AUGMENTATION - A heat sink for an LED downlight utilizes tilted fins forming helical air passages that can enhance thermal performance by 30% over conventional fins. To overcome the thermal challenge of installation within the stagnant hot air of insulated ceiling cans, a heat sink has an integral electrostatic air pump on its exterior, to move hot air downwards and drain the stagnant air from the can by establishing a chimney-like circulation up through the heat sink and back down around the outside of the heat sink. The air mover can be powered by a compact high-voltage, low-current power supply similar to those of neon signs. An embodiment of the heat sink is also revealed that is suitable for cooling an LED replacement for standard screw-in or equivalent light bulbs. This device can perform well in variety of orientations (horizontal, vertical, etc.) and fixtures. | 2010-07-22 |
20100181890 | LIGHTING DEVICE AND METHOD FOR MAKING THE SAME - A lighting device includes: at least one lighting module including a lead frame and a plurality of light emitting diodes packaged on the lead frame; an upper plate disposed on the lead frame, and having at least one perforated region formed with a plurality of through-holes for extension of the light emitting diodes therethrough, and at least two conductor regions respectively provided on two sides of the perforated region, the conductor regions being connected electrically to the lead frame; a heat sink disposed below the lead frame; and a plurality of fasteners fastening the lighting module to the upper plate and the heat sink such that the heat sink is in tight contact with bottom ends of the light emitting diodes. | 2010-07-22 |
20100181891 | Package Structure for Solid-State Lighting with Low Thermal Resistance - A package structure for solid-state lighting with low thermal resistance is revealed. A solid-state light is set on a circuit board with high thermal conductivity. A connection layer is used for binding the circuit board with high thermal conductivity and the heat sink substrate. A first attachment layer is set between the heat sink substrate and the connection layer; and a second attachment is set between the connection layer and the circuit board with high thermal conductivity. The connection layer is made of metals or metallic composite materials with high heat dissipation and low thermal expansion coefficients. Thereby, the thermal resistance is lower than the structures according to the prior art. In addition, the thermal stress produced between the heat sink substrate and the circuit board with high thermal conductivity can be buffered by the connection layer for increasing lifetime of the package structure according to the present invention. | 2010-07-22 |
20100181892 | LIGHTING APPARATUS - A lighting apparatus including a reflector having a reflective exterior surface partially enclosing an interior space and defining a focal point within the interior space, and a high pressure discharge lamp positioned substantially at the focal point of the reflective exterior surface. In some examples, the high pressure discharge lamp includes an arc tube containing mercury, a metal halide, or sodium. In some examples, the reflective exterior surface extends along a longitudinal axis and curves around the longitudinal axis. In some example, the reflective exterior surface defines an elliptical paraboloid. | 2010-07-22 |
20100181893 | INTERSECTING ELECTRODE ELECTRON EMITTER - A novel electron emitting device that has a small fissure to realize electron emission. Thin electrodes of anode and cathode of this novel emitter are not coplanar, instead they are placed on 2 intersecting surface and anode-cathode fissure is placed on top or near the top edge of these two intersecting surfaces. Preferably, the shape of the substrate is a 3-dimentional object with cylindrical shape with a cross section similar to triangle, bell shape or 2 intersecting parabolic curves (final shape of the substrate is somehow wedge shaped). | 2010-07-22 |
20100181894 | FIELD ELECTRON EMITTER INCLUDING NUCLEIC ACID-COATED CARBON NANOTUBE AND METHOD OF MANUFACTURING THE SAME - A field electron emitter includes a thin film layer including a carbon nanotube (“CNT”) disposed on a substrate, wherein the thin film layer includes nucleic acid. | 2010-07-22 |
20100181895 | LUMINOUS TUBE, FLUORESCENT LAMP, AND LUMINOUS TUBE PRODUCTION METHOD - A luminous tube, a fluorescent lamp, and a luminous tube production method in which a larger quantity of light is emitted downward in actual use of the fluorescent lamp are provided. The luminous tube includes a glass tube including a folded structure where the glass tube is a spiral from at least one of the ends to a middle part and a fluorescent film on the inner surface thereof, wherein the fluorescent film on the inner surface is thicker on the side closer to the middle part than on the side closer to the ends in a cross-section along the axis of the spiral at any point of the glass tube. | 2010-07-22 |
20100181896 | SURFACE FIELD ELECTRON EMITTERS USING CARBON NANOTUBE YARN AND METHOD OF FABRICATING CARBON NANOTUBE YARN THEREOF - Surface field electron emitters using a carbon nanotube yarn and a method of fabricating the same are disclosed. To fabricate the carbon nanotube yarn for use in fabrication of simple and efficient carbon nanotube field electron emitters, the method performs densification of the carbon nanotube yarn during rotation of a plying unit and heat treatment of the carbon nanotube yarn that has passed through the plying unit without using organic or inorganic binders or polymer pastes. The method fabricates the carbon nanotube yarn with excellent homogeneity and reproducibility through a simple process. The carbon nanotube yarn-based surface field electron emitters can be applied to various light emitting devices. | 2010-07-22 |
20100181897 | CERAMIC COMPOSITE FOR PHOTOTRANSFORMATION AND LIGHT EMITTING DEVICE USING THE SAME - A light-converting ceramic composite comprising a solidified body having a texture of at least two or more oxide phases being continuously and three-dimensionally entangled together, with at least one of the oxide phases being a fluorescence-emitting crystal phase, wherein the interface length between the oxide phases per 1 mm | 2010-07-22 |
20100181898 | ORGANIC ELECTROLUMINESCENCE DEVICE AND LIGHT EMITTING APPARATUS - There is provided an organic electroluminescence device includes: a pair of electrodes formed of an anode and a cathode; and an organic compound layer provided between the pair of electrodes, in which the organic electroluminescence device contains a cesium suboxide in which an element ratio A/B calculated from an area ratio of a peak A at a binding energy of 726.0 eV±0.5 eV corresponding to a Cs3d5 orbital measured by X-ray photoelectron spectroscopy to a peak B at binding energy of 531.0 eV±0.5 eV corresponding to an O1s orbital measured by the X-ray photoelectron spectroscopy is in a range of 3.1 to 7.3. The organic electroluminescence device has excellent light emitting property that is not largely impaired even after the device is driven for a long time period. | 2010-07-22 |
20100181899 | OLED WITH IMPROVED LIGHT OUTCOUPLING - An OLED may include regions of a material having a refractive index less than that of the substrate, or of the organic region, allowing for emitted light in a waveguide mode to be extracted into air. These regions can be placed adjacent to the emissive regions of an OLED in a direction parallel to the electrodes. The substrate may also be given a nonstandard shape to further improve the conversion of waveguide mode and/or glass mode light to air mode. The outcoupling efficiency of such a device may be up to two to three times the efficiency of a standard OLED. Methods for fabricating such a transparent or top-emitting OLED is also provided. | 2010-07-22 |
20100181900 | CARBAZOLE COMPOUNDS AND ORGANO-ELECTROLUMINESCENT DEVICES USING THE SAME - A carbazole compound represented by Formula 1: | 2010-07-22 |
20100181901 | INKJET PRINTING OF MICROLENSES FOR PHOTONIC APPLICATIONS - The preparation of microlenses on a substrate and light emitting devices employing microlenses on the surface from which light is emitted is described. The miscrolenses are formed on a surface that has been coated to have functionality that promotes a sufficiently large contact angle of the microlense on the surface and contains functionality for bonding the microlense to the coating. The microlenses are formed on the coating by deposition of a microlense precursor resin as a microdrop by inkjet printing and copolymerizing the resin with the bonding functionality in the coating. The coating can be formed from a mixture of silane coupling agents that contain functionality in some of the coupling agents that is copolymeriable with the resin such that the microlens can be formed and bonded to the surface by photopolymerization. | 2010-07-22 |
20100181902 | DISPLAY DEVICE - A display device includes a first substrate and a second substrate opposed to each other and a rectangular frame-shaped sealing material configured to bond the first and second substrates together. The first substrate has an interconnect layer overlapping a corner of the sealing material, a layered insulating film including an inorganic insulating film and an organic insulating film placed one upon the other on the interconnect layer, and a transparent conductive layer formed on the layered insulating film to be connected to the interconnect layer via a contact hole formed through the layered insulating film. The second substrate has an electrode layer electrically connected to the transparent conductive layer. The inorganic insulating film has an exposed portion exposed from the organic insulating film in the corner of the sealing material. The exposed portion is entirely exposed from the transparent conductive layer. In the exposed portion, a through hole is formed through the interconnect layer, and the inorganic insulating film covers the through hole. | 2010-07-22 |
20100181903 | ORGANIC LIGHT-EMITTING DISPLAY APPARATUS - An organic light-emitting display apparatus for encapsulating an organic light-emitting device and/or improving its electrical properties. The organic light-emitting display apparatus includes: a substrate; a display portion on the substrate and including an organic light-emitting device; a non-display portion on both the substrate and the peripheral region of the display portion; and an encapsulation portion on the display portion and including a first encapsulation layer formed of an inorganic material and a second encapsulation layer formed of an organic material that are alternately stacked on the display portion, wherein an end portion of the first encapsulation layer contacts the substrate. | 2010-07-22 |
20100181904 | ORGANIC ELECTROLUMINESCENCE DEVICE AND DISPLAY UNIT - An organic electroluminescence device capable of realizing both high light emitting efficiency and high reliability with an inexpensive structure is provided. The organic electroluminescence device includes an organic layer including a light emitting layer between an anode and a cathode. The anode has a laminated structure including a first layer composed of aluminum (Al) or an alloy containing aluminum as a main component and a second layer that is provided between the first layer and the organic layer and is composed of an alloy containing aluminum as a main component, and a resistance of the first layer is lower than a resistance of the second layer. | 2010-07-22 |
20100181905 | Organometallic Complex, and Light-Emitting Element, Light-Emitting Device, Electronic Device, and Lighting Device Using the Organometallic Complex - To provide a novel organometallic complex capable of emitting phosphorescence by using an organic compound with which a variety of derivatives can be easily synthesized as a ligand. In addition, to provide an organometallic complex which exhibits red emission. To provide an organometallic complex formed by ortho-metalation of an m-alkoxyphenyl pyrazine derivative represented by General Formula (G0) below with respect to an ion of a metal belonging to Group 9 or Group 10. In addition, to provide an organometallic complex which exhibits red emission formed by ortho-metalation of an m-alkoxyphenyl pyrazine derivative represented by General Formula (G0) below with respect to an ion of a metal belonging to Group 9 or Group 10. | 2010-07-22 |
20100181906 | ORGANIC ELECTROLUMINESCENT DEVICE - An organic electroluminescent device including a first electrode ( | 2010-07-22 |
20100181907 | TANTALUM CARBIDE FILAMENT LAMP AND PROCESS FOR THE PRODUCTION THEREOF - The invention provides a filament lamp ( | 2010-07-22 |
20100181908 | FLAT DISPLAY - Disclosed here is a flat display having a pair of glass substrates and a sealing member applied on the periphery of the glass substrates. The glass substrates are oppositely disposed to each other at intervals therebetween. The glass substrates contain silicon as a component, while the sealing member contains bismuth. A protection layer and an insulating layer as an intermediate layer, which has a silicon-content lower than the glass substrates, are formed on the interface between the glass substrates and the sealing member. The structure above reinforces bonding strength of the sealing section, providing a highly reliable flat display. | 2010-07-22 |
20100181909 | PLASMA DISPLAY PANEL - A plasma display panel demonstrating excellent image display performance by suppressing generation of initialization bright points through modification of the phosphor layer, and by eliminating variation in discharge characteristics between the discharge cells of each color. In addition to solving these problems, the luminance of the plasma display panel is also enhanced by using the ultraviolet rays emitted in the discharge space in order to promote the production of visible light on the front panel side. Specifically, the phosphor layer ( | 2010-07-22 |
20100181910 | HIGH-PRESSURE DISCHARGE LAMP COMPRISING A STARTER ANTENNA - A high-pressure discharge lamp comprising an inner bulb ( | 2010-07-22 |
20100181911 | HOLDER FOR INTEGRAL COMPACT FLUORESCENT LAMP WITH OUTER BULB - A lamp assembly having a CFL light source includes an outer envelope received around the light source. The outer envelope includes a first enlarged portion dimensioned for receipt about the light source and a second narrowed portion adapted for connection with a lamp base. A platform receives a first end of the CFL light source and supports the CFL within the envelope, the platform including a tapered perimeter portion dimensioned for abutting engagement with an interior surface of the envelope. | 2010-07-22 |
20100181912 | LIGHT SOURCE DEVICE, DISCHARGE LAMP AND ITS CONTROL METHOD - At an initial stage of a discharge start, a shield electrode is connected to a ground potential via a bidirectional voltage trigger switch. Thereafter, when an electrical charge within the shield electrode flows to the ground potential, by being triggered with this potential, both terminals of the bidirectional voltage trigger switch are disconnected therebetween. Thus, at an initial stage of discharge, charging of the shield electrode is suppressed to suppress a decline in discharge, and in a sustained discharge, destabilization due to an unwanted discharge from the shield electrode to the anode can be suppressed, and using such an electrode automatically allows improving the lighting performance of a discharge lamp. | 2010-07-22 |
20100181913 | COLD CATHODE ILLUMINATION APPARATUS - A cold cathode illumination apparatus applied with an alternative current includes a tube, at least one electrical connection element, a voltage transforming element, a cold cathode fluorescent lamp (CCFL) and a strip element. At least one part of the tube is light-permeable. The electrical connection element is disposed at one end of the tube. The voltage transforming element is disposed in the tube and electrically connected with the electrical connection element. The CCFL is disposed in the tube and electrically connected with the voltage transforming element. The strip element is disposed along and in the tube. The CCFL is connected with the strip element. The strip element has a reflective surface above which the CCFL is disposed. | 2010-07-22 |
20100181914 | LIGHTING CONTROL DEVICE OF LIGHTING DEVICE FOR VEHICLE - A lighting control device of a lighting device for a vehicle includes a switching regulator for supplying a driving current to a semiconductor light source. The lighting control device also includes control means having a current detecting portion for detecting the driving current and serving to control dimming of the semiconductor light source in order to reduce a mean current of the driving current by repeating driving and stopping operations of the switching regulator at a high speed upon receipt of a dimming control signal. The current detecting portion has a current holding portion for holding the driving current, detected for a driving period of the switching regulator, for a stopping period after a passage of the driving period. | 2010-07-22 |
20100181915 | APPARATUS FOR MAGNETIC AND ELECTROSTATIC CONFINEMENT OF PLASMA - An apparatus and method for containing plasma and forming a Field Reversed Configuration (FRC) magnetic topology are described in which plasma ions are contained magnetically in stable, non-adiabatic orbits in the FRC. Further, the electrons are contained electrostatically in a deep energy well, created by tuning an externally applied magnetic field. The simultaneous electrostatic confinement of electrons and magnetic confinement of ions avoids anomalous transport and facilitates classical containment of both electrons and ions. In this configuration, ions and electrons may have adequate density and temperature so that upon collisions ions are fused together by nuclear force, thus releasing fusion energy. Moreover, the fusion fuel plasmas that can be used with the present confinement system and method are not limited to neutronic fuels only, but also advantageously include advanced fuels. | 2010-07-22 |
20100181916 | LED LIGHTING SYSTEM FOR USE IN ENVIRONMENTS WITH HIGH MAGNETIC FIELDS OR THAT REQUIRE LOW EMI EMISSIONS - Lighting fixtures and lighting systems for use in areas with high magnetic fields or areas that require low EMI emissions. The lighting systems include a non-ferrous lighting fixture having an LED light source and a control circuit. The LED light source includes one or more LEDs, and the control circuit provides a regulated operational current to the LED light source. The control circuit includes at least one switch for controlling the flow of current through the control circuit. The switch has a first state and a second state, and the operational current provided to the LED light source is increased and decreased in a linear manner based on the state of the at least one switch. | 2010-07-22 |
20100181917 | METHOD FOR DRIVING A LIGHT SOURCE, DRIVING APPARATUS FOR DRIVING THE LIGHT SOURCE AND LIQUID CRYSTAL DISPLAY APPARATUS HAVING THE DRIVING APPARATUS - According to one or more embodiments, an inverter provides a light source with an input voltage. A protection circuit shuts down the inverter based on an overvoltage protection level that is detected based on the input voltage. A protection circuit control part shuts down the operation of the protection circuit during a predetermined interval. Abnormal operation of the protection circuit caused by a high voltage provided when the light source is turned on may be prevented. Therefore, a turn-on defect of the light source may be prevented. | 2010-07-22 |
20100181918 | LIGHT SOURCE DRIVING DEVICE - A light source driving device for driving a light source includes a power stage circuit, a transformer circuit, a control circuit, and a fault detecting circuit. The power stage circuit converts an external electrical signal to an alternating current (AC) signal. The transformer circuit is connected between the power stage circuit and the light source to convert the AC signal to a high voltage electrical signal adapted for driving the light source. The fault detecting circuit detects whether the light source is nonfunctional, and outputs a fault signal upon the condition that the light source is nonfunctional. The fault detecting circuit includes a voltage level comparison circuit and a variable-benchmark voltage circuit. The control circuit is connected between the fault detecting circuit and the power stage circuit to output a control signal to the power stage circuit based on the fault signal. | 2010-07-22 |
20100181919 | Led drive circuit - A retained and a removable circuit connect together to form a closed circuit. A switching mechanism is connected between the retained and removable circuits and to a circuit break load. Upon disconnection of the circuit break load and/or the removable circuit, the switching mechanism automatically switches from an open circuit to a closed circuit to form a closed circuit with the retained circuit. | 2010-07-22 |
20100181920 | BACKLIGHT DRIVING SYSTEM - A backlight driving system comprises an inverter module, a current balance module, a feedback module and an open-lamp protection detection module. The inverter module provides electrical signals to a plurality of lamps. The current balance module balances currents flowing through the plurality of lamps. The feedback module detects the current of the backlight and generates a feedback signal to the invert module accordingly. The open-lamp protection detection module detects voltage variations of the feedback transformer and generates a detection signal to the inverter module accordingly. The inverter module regulates the currents flowing through the plurality of lamps according to the feedback signal and determines one or more of the plurality of lamps are faulty according to the detection signal generated by the open-lamp protection detection module, and stops providing the electrical signals to the plurality of lamps. | 2010-07-22 |
20100181921 | Apparatus and method for driving backlight unit - The present invention is directed to a drive apparatus for a backlight unit ( | 2010-07-22 |
20100181922 | LIGHTING DEVICE HAVING A RAIL DEVICE THAT CAN BE FIXED TO A SURFACE OF AN OBJECT - A lighting device may include a transformer; a rail device, configured to be attached to a surface of an object, wherein the rail device has two rails, which are arranged so as to be spaced apart from one another, to which rail device a lamp can be attached and on which the lamp can be supplied with power, the rails being electrically connected to the transformer, at least one first lamp being arranged on the rails and being configured to be supplied with power in the low-voltage range via the transformer and the rails; and at least one second lamp being arranged on a housing of the transformer and being connected to the system voltage. | 2010-07-22 |
20100181923 | SELF-POWERED LED BYPASS-SWITCH CONFIGURATION - A LED string is divided into segments that each have a bypass-switch and a driver for the bypass-switch. The driver is powered by a supply voltage locally generated from the forward-voltages of the LEDs of the segment. | 2010-07-22 |
20100181924 | DRIVING CIRCUIT FOR DRIVING A PLURALITY OF LIGHT SOURCES ARRANGED IN A SERIES CONFIGURATION - A driving circuit ( | 2010-07-22 |
20100181925 | Ballast/Line Detection Circuit for Fluorescent Replacement Lamps - Disclosed herein is a replacement light for a fluorescent tube usable in a fluorescent fixture connected to a power source and containing at least one LED, the improvement including a detection circuit for connection to the power source, the detection circuit configured to identify the power source. | 2010-07-22 |
20100181926 | HIGH-PRESSURE DISCHARGE LAMP SYSTEM AND PROJECTOR USING THE SAME - A high-pressure discharge lamp system has a high-pressure mercury lamp | 2010-07-22 |
20100181927 | MULTI-LAMP DRIVING CIRCUIT - A multi-lamp driving circuit includes a power supply, a booster converter including a first winding and a second winding, a plurality of current balance circuits and a plurality of balance converters. The first winding of the booster converter is coupled to the power supply. Each of the current balance circuits includes a plurality of current balance sub-circuits each including a capacitor and a lamp connected in series. One end of each of the current balance sub-circuits is connected to one end of the second winding of the booster converter. A first winding of each of the balance converters is electrically connected between the other end of the second winding of the booster converter and the other end of the current balance sub-circuits of corresponding current balance circuits. Second windings of the balance converters are connected in series. | 2010-07-22 |
20100181928 | MULTI-LAMP DRIVING CIRCUIT - A multi-lamp driving circuit for driving a plurality of lamp groups includes an inversion circuit configured to drive the plurality of lamp groups and a current balance circuit electrically connected between the inversion circuit and the plurality of lamp groups. The current balance circuit includes a plurality of transformers, each including a first magnetic loop composed of a first primary winding and a first secondary winding and a second magnetic loop composed of a second primary winding and a second secondary winding. Numbers of turns of the second primary winding and the second secondary winding of each of the plurality of transformers are equivalent, and numbers of turns of the first primary winding and the first secondary winding of each of the plurality of transformers are equivalent. | 2010-07-22 |
20100181929 | SERIAL TYPED IC'S TRANSMISSION METHOD OF CODING SEQUENCE - The present invention is to provide a coding sequence's transmission method for the serial typed IC used in a decoration lamp, which mainly applies a dynamic coding technology to a design requiring to initially setup the coding sequence in each time such that each IC adopts the serial typed sequencing transmission and becomes a form with an effect of varying IC address dynamically. While one of the ICs is damaged, it only needs to take a new IC then exchange it directly, and that is all. It can solve the problems of inconvenience in the past that the serial transmission ICs need to burn in the sequence numbers and positioning every IC's addresses, and it needs to get an IC with the same sequence number for exchanging while one of the ICs is damaged. | 2010-07-22 |
20100181930 | REGULATED POWER SUPPLY - A circuit for producing a regulated output voltage and/or current includes a rectifier to rectify an alternating current (AC) input voltage and current to produce a rectified voltage and current having a frequency. A regulator is coupled to the rectifier to produce a regulated output based on the rectified voltage and/or current. A pair of output terminals supply the regulated output to a load The circuit does not include any capacitors that substantially filter the frequency of the rectified voltage and current. | 2010-07-22 |
20100181931 | MULTI-LAMP DRIVING CIRCUIT - A multi-lamp driving circuit for driving a plurality of lamps includes at least one power stage circuit, at least one transformer circuit, a balancing circuit, and a control circuit. The power stage circuit converts external electrical signals to alternating current (AC) signals. The transformer circuit is connected to the power stage circuit, to convert the AC signals to high voltage electrical signals capable of driving the lamps. The balancing circuit balances current flowing through the lamps, and includes a capacitor balancing circuit and a transformer balancing circuit. The control circuit is connected between the balancing circuit and the power stage circuit, to control output of the power stage circuit according to variation of the current flowing through the lamps. | 2010-07-22 |
20100181932 | LAMP-SET STRUCTURE - The present invention includes a lamp cap and a lamp body. An interior of the lamp cap is provided with an illuminating element which is electrically connected with a circuit board. The circuit board is provided with electric contacts which are exposed at a bottom of the lamp cap and peripheries of the lamp cap are provided with latching parts. The lamp body includes a handheld part and a lamp holder. An interior of the lamp holder is provided with fastening parts which correspond with the latching parts of the lamp cap, allowing the lamp cap to be engaged on and electrically connected with the lamp holder. In addition, the handheld part is provided with a control switch. | 2010-07-22 |
20100181933 | DIRECT AC-TO-DC CONVERTER FOR PASSIVE COMPONENT MINIMIZATION AND UNIVERSAL OPERATION OF LED ARRAYS - Disclosed herein is a power converter circuit for a LED lighting device. The power converter includes a pair of input terminals adapted to be connected to a signal source, at least one LED, a first circuit adapted to supply current to the at least one LED and including: a first bi-directional switch connected between one input terminal and one side of the at least one LED, and a second bi-directional switch connected between the other side of the at least one LED and the other input terminal, and a second circuit adapted to supply current to the at least one LED and including: a third bi-directional switch connected between the other input terminal and the one side of the at least one LED, and a fourth bi-directional switch connected between the one input terminal and the other side of the at least one LED. | 2010-07-22 |
20100181934 | AUTOMATIC, LOW LEVEL FLOOR LIGHTING SYSTEM - An automatic, low level floor lighting system includes a light unit including a light operable to produce visible light when energized by a power source and a control means for allowing a user to adjust an intensity of the visible light. The light unit also includes an ambient light sensor to inhibit the light from being energized when an ambient light is above a predetermined level. The light unit further includes a receiver for receiving an activation signal to energize the light and a deactivation signal to de-energize the light. A transmitter transmits the activation and deactivation signals to an additional light unit. The system also includes a remote activation unit for transmitting the activation and deactivation signals to the receiver when the user engages the remote activation unit where the user can remotely turn the light on and off when the ambient light is below the predetermined level. | 2010-07-22 |
20100181935 | UNIVERSAL DIMMING METHOD AND SYSTEM - A universal line voltage dimming method and system, with a control circuit for an electronic ballast operable to receive ballast input power and an outboard dedicated dimming signal including a power sensing circuit ( | 2010-07-22 |
20100181936 | Driver Device for a Load and Method of Driving a Load With Such A Driver Device - The invention relates to a driver device for a load ( | 2010-07-22 |
20100181937 | OPTICAL TRANSMITTER - An optical transmitter that can perform high-speed ON/OFF control of bias light that is input to an optical modulator. A high-speed current switching circuit performs a high-speed ON/OFF control of a drive current of an LD according to an LD ON/OFF signal. Thus, high-speed ON/OFF control of an optical output from the LD can be performed. A temperature detecting current generation circuit detects the ambient temperature, and generates the drive current adjusted according to the ambient temperature detected thereby so that the optical output from the LD is not affected by the ambient temperature. | 2010-07-22 |
20100181938 | COMPUTER-CONTROLLED LIGHTING SYSTEM - The invention relates to a computer-controlled lighting system which comprises an interface ( | 2010-07-22 |
20100181939 | LIGHT OUTPUT CONTROL DEVICE FOR LASER LIGHT SOURCE - A light output control device for laser light sources for respective RGB colors includes, for each of RGB, three sets, each including: a semiconductor laser for one of the colors; light output detection unit for detecting a light output from the semiconductor laser; light output adjustment unit for updating a light output target value; light output control unit for controlling the semiconductor laser based on the updated light output target value; and division unit for dividing the light output by an output from the light output adjustment unit to obtain a ratio of the rising of the light output, and includes rising determination unit for determining, based on results obtained by the respective division unit, a semiconductor laser with a slowest rising and outputs light output adjustment values for the respective colors. The light output adjustment unit update their respective light output target values based on the light output adjustment values. The light output control unit causes their respective corresponding semiconductor lasers to operate in accordance with a semiconductor laser whose rising time is slowest, based on the updated light output target values to keep RGB color balance upon start-up. | 2010-07-22 |
20100181940 | Illuminated Safety Helmet - Illuminated safety helmets are provided. The helmets include a shell having two or more lighted zones mounted therein, which are spaced from each other on the outer surface of the shell. One or more of the lighted zones can be selectively deactivated, allowing a wearer to control which zone or zones not to illuminate, as may be desirable in certain situations. Each zone, when activated, is illuminated in a variable fashion, such that the light illuminated from the zone changes within a brief period of time. | 2010-07-22 |
20100181941 | CONTROLLING CIRCUIT AND CONTROLLING METHOD - A controlling circuit and a controlling method are disclosed. The controlling circuit includes a plurality of switches and a comparator. The first terminals of the switches are respectively coupled to one of a plurality of LED channels. The switches are conducted according to a plurality of switching signals respectively, wherein the switching signals are asserted alternately. The first input terminal of the comparator is coupled to the second terminals of the switches and the second input terminal of the comparator receives a reference voltage for the comparator to compare the voltage of the first input terminal with the voltage of the second input terminal so as to output a comparison result. In this way, whether the LED channels work abnormally or not may be detected. In addition, the hardware cost may also be reduced by employing fewer comparators through a sharing mode. | 2010-07-22 |
20100181942 | THERMIONIC EMISSION DEVICE - A thermionic emission device, in particular for use in an x-ray tube, has an indirectly heated primary emitter that is fashioned as a flat emitter with an unstructured primary emission surface, and a heating emitter that is fashioned as a flat emitter with a structured heat emission surface. The primary emitter and the heating emitter each has at least two terminal lugs, and the primary emission surface and the heat emission surface are aligned essentially parallel to one another. The emission device provides an optimally high quality of the focal spot with a simple design and, given high thermal load, an unwanted widening or defocusing of the electron beam is avoided by the terminal lugs of the primary emitter being aligned essentially perpendicular to the primary emission surface and not protruding beyond the primary emission surface in the lateral direction. | 2010-07-22 |
20100181943 | Sensor-model synchronized action system - The invention provides means to control model movement in a short distance or thousand miles away. Sensor source such as night sensor, pressure sensor, tilt sensor, sound sensor stimulates sensor activated unit to activate electric current flowing to electro motors and electromagnets to act on parts of model to control model activities and create live view and higher potential movements of action-model such as smiling, laughing, crying with tear, jumping, dancing, walking, talking or singing, eye glance or twinkling, eyelid opening or closing, ear raising or drooping and many physiological activities of living thing or mechanical movements of model. | 2010-07-22 |
20100181944 | MICROMECHANICAL COMPONENT AND METHOD FOR OPERATING A MICROMECHANICAL COMPONENT - A micromechanical component includes a first electrode and a second electrode, the first electrode being moveable relative to the second electrode in a main direction of movement, and the first electrode and/or the second electrode being configured such that a movement of the first electrode parallel to the main direction of movement results in a modification of the average distance in a region of overlap of the projection of the first electrode with the projection of the second electrode, both perpendicular to the main direction of movement and in a main plane of extension. | 2010-07-22 |
20100181945 | Control Apparatus and Method for Linear Synchronous Motor - The start timing of the pole position inference process of the linear motor installed vertically is delayed by a predetermined time after instruction of brake release. For example, from (1) increasing of the thrust instruction value of an ASR control system up to a predetermined value, (2) the movement (falling) distance of the moving part, or (3) the moving (falling) speed of the moving part, the release condition of the brake is detected and moreover after a predetermined time, the inference process of the pole position is started. The inference process of the pole position of a synchronous motor is fit to the release timing of a brake and a malfunction of the inference process and a runaway (falling in the vertical drive) of a moving part are prevented. | 2010-07-22 |
20100181946 | VOLTAGE STEP-UP/DOWN CONVERTER - A motor control apparatus includes a step-up/down converter and an inverter. The converter includes a coil, MOSFETs, capacitors and a control circuit. The control circuit turns on the MOSFET in the high potential side, while tuning off the MOSFET in the low potential side. After a predetermined time, the control circuit turns off the MOSFET in the high potential side and then turns on the MOSFET in the low potential side. It is checked whether the MOSFET, which is switched in the step-down operation, is normal or abnormal based on the voltages of the capacitors. The capacitors produce specific changes in the respective voltages in correspondence to the check result. Thus, the abnormality of the MOSFET can be determined based on the changes. | 2010-07-22 |
20100181947 | DRIVER FOR A BRUSHLESS MOTOR, SYSTEM COMPRISING A DRIVER AND A BRUSHLESS MOTOR AND A METHOD FOR DRIVING A MOTOR - A driver (DR) for a brushless motor comprises at least three outputs (O | 2010-07-22 |
20100181948 | Motor apparatus with voltage step-up function - The motor of the motor apparatus includes a rotor including a plurality of magnetic poles and a stator formed with tooth portions radially extending with a pitch equal to 5/6 times or 7/6 times a pole pitch of the rotor. Each tooth portion is formed with a brim portion circumferentially extending from both circumferential sides of the tooth portion. The phase ends of the stator winding are connected respectively to the AC ends. The DC power supply is connected between one of the DC ends and the neutral point of the stator winding. The control section controls the multi-phase inverter such that a multi-phase AC current containing a DC component flows through the stator winding. The circumferential width of the brim portion is smaller than or equal to 0.75 times a cross-sectional size of the electric wires constituting the stator winding. | 2010-07-22 |
20100181949 | MOTOR CONTROL MECHANISM FOR ELECTRIC VEHICLES - An apparatus for controlling a wheel motor is provided. A plurality of switches is provided for controlling a direction of current through motor coils of the wheel motor. A brushless motor control circuit is connected to each of the plurality of switches. Responsive to a request to adjust one of an angular velocity and an angular acceleration of the wheel motor, the plurality of switches are activated to place the motor coils in a predetermined configuration to maximize torque or reduce a total back electromotive force (BEMF) from the motor coils. | 2010-07-22 |
20100181950 | FAN AND CONTROLLING DEVICE THEREOF - A fan is electrically connected with an alternating current power source. The fan includes an impeller, a motor and a controlling device. The controlling device includes a commutating unit, a magnetic detecting unit, a first switching unit, a second switching unit, a third switching unit and a controlling unit. The alternating current power source is electrically connected with the first switching unit, the second switching unit and the commutating unit, respectively. The commutating unit is electrically connected with the magnetic detecting unit and the controlling unit, respectively. The controlling unit is electrically connected with the third switching unit and the first switching unit, respectively. The third switching unit is electrically connected with the second switching unit. The first switching unit and the second switching unit are electrically connected with the motor, respectively. A controlling device of the fan is also disclosed. | 2010-07-22 |
20100181951 | MOTOR DRIVE CIRCUIT - The invention provides a motor with a low speed start function and a soft start function. The motor includes a first pulse generation circuit generating a first pulse signal of which a first duty ratio of one of logic levels is increased as a drive voltage corresponding the target rotation speed of the motor is increased, a second pulse generation circuit generating a second pulse signal of which a second duty ratio of one of logic levels is different from the first duty ratio, and a drive control circuit supplying a drive current to a motor coil at the second duty ratio in order to start the rotation of the motor that is stopping and supplying a drive current to the motor coil at the first duty ratio after a predetermined time passes from the start of the rotation of the motor in response to a rotation signal corresponding to the rotation of the motor. | 2010-07-22 |
20100181952 | INITIAL ROTOR POSITION DETECTION FOR PERMANENT MAGNET SYNCHRONOUS MOTORS - An apparatus and method for use with a PMSM detect the fall time or the rise time and the fall time of a motor current in the PMSM under different voltage vectors when the PMSM is in start-up to determine an initial rotor position for the PMSM at standstill. | 2010-07-22 |
20100181953 | Controller and MCU chip for controlling 3-phase brushless DC motor - The present invention discloses a 3-phase brushless DC motor controller, which comprises: a unit for generating a PWM signal; an ADC for converting a back electromotive force (BEMF) signal from an analog form into a digital form; a synchronization and extraction unit operating in synchronization in part with the PWM signal for extracting the digital BEMF signal to obtain a corresponding ZCP signal; and a unit for judging whether a commutation operation is to be performed according to a change of the corresponding ZCP signal. Await instruction and a delay instruction help to accurately acquire the digital BEMF signal. | 2010-07-22 |
20100181954 | METHOD OF MANAGING THE STEERING CONTROL OF AN AIRCRAFT UNDERCARRIAGE - The invention relates to a method of managing a steering control for a steerable portion of an aircraft undercarriage, the method comprising implementing servo-control to servo-control an electromechanical steering actuator on an angular position setpoint, wherein, according to the invention, the servo-control implements a control relationship H∞ type, the position and speed information being delivered by means of a fieldbus of deterministic type to a computer that implements the servo-control. | 2010-07-22 |
20100181955 | MOTOR CONTROLLER FOR TANDEM CONTROL - In position tandem control in which one movable member is driven by two motors, an output of the integral element of the velocity control unit in the control system for one motor is copied to the integral element of the velocity control unit in the control system for the other motor. A preload is added to a torque command output from each of the velocity control units in the motor control systems for two motors so that torques in mutually opposite directions are generated to suppress backlash between gears. | 2010-07-22 |
20100181956 | ROTATIONAL POSITION DETECTING METHOD FOR AC SERVOMOTOR AND SIMPLE ENCODER - A motor rotational position detecting method detects the magnetic pole position of each phase of a three-phase AC servomotor, generates a three-phase square wave signal having a phase difference of 120 degrees, allocates data on the rotational position of a motor shaft to the edge of each square wave signal, calculates the rotational speed of the motor on the basis of the elapsed time from the previous edge detection point to this time edge detection point, and estimates the rotational position of the motor shaft at a certain period and outputs it on the basis of the rotational speed of the motor and the rotational position allocated to this time edge in the rotational section from this time edge detection point to the next edge detection point. As a result, a detection mechanism can be constructed with a small installation space and at low cost and the output of a high-resolution encoder can be obtained in a pseudo manner. | 2010-07-22 |
20100181957 | Solar powered, grid independent EV charging system - A system for charging a multiplicity of commuter EVs without dependence on the power grid is provided, using the EV batteries themselves as distributed off grid storage for all EVs connected to the system. The EV charging system comprises low cost solar modules and an intelligent charge management system capable of a providing flexible charge rate to EVs based on user demand, that is decoupled from the grid and thus does not add to peak power demands. Only a low capacity grid connection is provided for backup, and buffer solar panels may be provided for load balancing. Excessive solar energy is fed into the grid during times of low demand at the charging stations, such as on weekends. | 2010-07-22 |