39th week of 2009 patent applcation highlights part 16 |
Patent application number | Title | Published |
20090236922 | High-efficiency, variable-speed permanent magnet motor and control system - A high-efficiency motor is disclosed. The motor includes two sets of permanent magnets and further includes electromagnets incorporated to be energized by a control system to provide a variable-speed motor that produces high torque. | 2009-09-24 |
20090236923 | PERMANENT-MAGNET-TYPE ROTATING ELECTRICAL MACHINE - An object of the present invention is to provide a permanent-magnet-type rotating electrical machine capable of realizing a variable-speed operation at high output in a wide range from low speed to high speed and improving efficiency and reliability. The permanent-magnet-type rotating electrical machine of the present invention includes a stator provided with a coil and a rotor in which there are arranged a low-coercive-force permanent magnet whose coercive force is of such a level that a magnetic field created by a current of the stator coil may irreversibly change the flux density of the magnet and a high-coercive-force permanent magnet whose coercive force is equal to or larger than twice that of the low-coercive-force permanent magnet. At the time of high-speed rotation with a voltage of the permanent-magnet-type rotating electrical machine being around or over a power source maximum voltage, the low-coercive-force permanent magnet is magnetized with a magnetic field created by a current in such a way as to decrease total linkage flux of the low- and high-coercive-force permanent magnets, thereby adjusting a total linkage flux amount. | 2009-09-24 |
20090236924 | BRUSHLESS MACHINE WITH TAPERED POLES - A method and apparatus in which a rotor ( | 2009-09-24 |
20090236925 | Self Magnetizing Motor - A self magnetizing motor, in which a magnetic substance is disposed at the rotor and a stator is provided with a magnetizing portion to magnetize the magnetic substance, and the magnetizing portion forms an exciter pole protruding toward the magnetic substance and a tip portion tapered at an end of the exciter pole, wherein a width of the exciter pole, a protruding length of the tip portion, and a width of the tip portion are formed in the ratio of 8-9:2-2.5:1-2.4, thereby increasing the intensity of magnetizing of the magnetic substance thus to improve the motor performance. | 2009-09-24 |
20090236926 | Rotor for rotating electrical machine and method of manufacturing same - In a rotor for a rotating electrical machine, a flange of an insulating bobbin is formed with a first hook portion and a second hook portion. The first hook portion directs a lead of a field coil both against the winding direction of the field coil and radially inward. The first hook portion has a first groove in which is hooked a proximal portion of the lead. The second hook portion directs the lead axially outward. The second hook portion has a second groove which has an open end on a radially inner periphery of the second hook portion, a closed end positioned radially outward of the open end, and a neck between the open and closed ends. The second hook portion has an intermediate portion of the lead hooked in the second groove between the neck and closed end of the second groove. | 2009-09-24 |
20090236927 | BRUSHLESS MOTOR INCLUDING STATOR CORE AND DISK DRIVE - A brushless motor is provided. A stator core has a plurality of teeth extending radially from an annular portion of the stator core. The number of the teeth is an integral multiple of the number of coil-drive phases. Coil relief holes for allowing coils to enter are formed on the motor base. The number of the coil relief holes is less than the number of the teeth by the number of the coil-drive phases multiplied by N (N is a natural number). The number of turns of the motor-drive coil wound around one of the teeth corresponding to a portion of the motor base where the coil relief hole is not formed is set to less than that corresponding to a portion of the motor base where the coil relief hole is formed. | 2009-09-24 |
20090236928 | ELECTRICAL MACHINE - The invention describes an electrical machine having an armature with armature slots for accommodating armature coils, and a commutator with commutator laminates. At least one armature coil is formed from two coil elements, which are arranged symmetrically with respect to one another in relation to the axis of rotation of the armature. The electrical machine is designed such that the number of commutator laminates is an integral multiple of the number of armature slots. | 2009-09-24 |
20090236929 | ROTOR OF AN ELECTRICAL MACHINE AND MOTOR WITH SUCH A ROTOR - The invention concerns a rotor of an electrical machine, particularly a driving motor for a hermetically enclosed refrigerant compressor with a body ( | 2009-09-24 |
20090236930 | Motor and control unit thereof - A motor includes: a rotor having permanent magnets in which N-poles and S-poles are alternately arranged in the circumferential direction; seven stator pole groups, each of which has a plurality of stator poles arranged in the circumferential direction, the stator pole groups being arranged with the circumferential and axial positions of the stator poles in one stator pole group being offset from those of other stator pole groups; and a plurality of loop windings formed in the circumferential direction and arranged at positions adjacent to the plurality of stator pole groups in the rotor shaft direction. | 2009-09-24 |
20090236931 | SHAPE MEMORY ALLOY ACTUATOR - A shape memory alloy actuator includes a wire material of a shape memory alloy of which, one end is fixed, a mobile object which is mechanically coupled with the other end of the wire material, a bias applying member which applies an external force on the mobile object, in a direction in which the wire material of the shape memory alloy elongates by cooling, and an attraction force generating mechanism which is disposed at a position facing the bias applying member via the mobile object, and which generates an attraction force acting in a direction same as a direction of the external force applied by the bias applying member to the mobile object. A position of the mobile object is changed by changing a length of the wire material of the shape memory alloy by changing a temperature of the wire material by supplying an electric power to the wire material. | 2009-09-24 |
20090236932 | ELECTROSTATIC ACTING DEVICE - An electrostatic acting device is so formed that a distance between partial regions of a first electrode of a first substrate and a second electrode of a second substrate is smaller than an interelectrode distance controlled by a gap control portion. | 2009-09-24 |
20090236933 | PIEZOELECTRIC DEVICE AND METHOD OF PRODUCTION THEREOF - A piezoelectric device includes a lower electrode, a piezoelectric film and an upper electrode laminated in this order on a support. An oxide film containing a material that forms a lower electrode is formed on a side surface of the piezoelectric film. The piezoelectric device is produced such that an upper electrode and a piezoelectric film are patterned by dry-etching through a mask formed on a side of the upper electrode of the piezoelectric device member and thereafter a side surface of the patterned piezoelectric film (a film adhered to a side wall) is oxidized to form an oxide film. | 2009-09-24 |
20090236934 | SURFACE ACOUSTIC WAVE DEVICE AND METHOD OF FABRICATING THE SAME - A surface acoustic wave device includes a piezoelectric substrate, an interdigital transducer (IDT) formed on the piezoelectric substrate, an interconnection electrode that is provided on the piezoelectric substrate and is connected to the IDT, the IDT being made of a metal identical to that of the IDT, an inorganic insulation layer that is provided on the piezoelectric substrate so that at least the interconnection electrode is exposed, an insulative resin layer that is located on an interface between the inorganic insulation layer and a portion of the interconnection electrode exposed from the inorganic insulation layer and is formed so as to cover a side surface of the interconnection electrode, and a metal layer that is provided on the interconnection electrode and the insulative resin layer. | 2009-09-24 |
20090236935 | BOUNDARY ACOUSTIC WAVE DEVICE - A boundary acoustic wave device includes an IDT electrode between a piezoelectric layer and a dielectric layer. A low thermal expansion medium layer made of a material having a linear thermal expansion coefficient less than that of the piezoelectric layer is laminated on a surface of the piezoelectric layer opposite to the boundary. Acoustic velocities of transversal waves in a boundary acoustic wave propagation direction at the piezoelectric layer, the dielectric layer, and the low thermal expansion medium layer satisfy Expression (1), and when λ represents a wavelength of the IDT electrode, (an acoustic velocity of a transverse wave at the dielectric layer)/λ satisfies Expression (2) as follows: | 2009-09-24 |
20090236936 | PIEZOELECTRIC DEVICE AND METHOD FOR MANUFACTURING PIEZOELECTRIC DEVICE - A piezoelectric device includes: a container; a piezoelectric resonator element accommodated in the container; a circuit element accommodated in the container so as not to overlap with the piezoelectric resonator element in a plan view; and a mounting stage to which the piezoelectric resonator element is fixed. The mounting stage is fixed inside the container. | 2009-09-24 |
20090236937 | LOW FREQUENCY OSCILLATOR, THE OMNI-DIRECTIONAL TYPE LOW FREQUENCY UNDERWATER ACOUSTIC TRANSDUCER USING THE SAME AND THE CYLINDRICAL RADIATION TYPE LOW FREQUENCY UNDERWATER ACOUSTIC TRANSDUCER USING THE SAME - A low frequency oscillator includes a plurality of drum-shaped oscillators. Each of the drum-shaped oscillators is constructed so that a pair of disk-shaped flexural vibrators is attached on both open ends of a conductive cylinder so as to be arranged face to face. And a conductive elongated coupling member is fixed to adjacent the drum-shaped oscillators at a central portion thereof so as to electrically connect between adjacent the disk-shaped flexural vibrators and thereby coupling the drum-shaped oscillators along a central axis thereof. | 2009-09-24 |
20090236938 | Ultrasonic torsional mode and longitudinal-torsional mode transducer system - The present invention relates to the design of piezoelectric transducer subassemblies and systems primarily intended for medical and dental applications. The invention also provides transducer subassemblies and systems with improved performance and a capability to operate more efficiently in torsional or a combined longitudinal-torsional mode of vibration. The invention enables the size and weight of torsional mode transducers to be reduced. Additionally, the electrical characteristics of these transducer systems are improved, thus enabling the transducer end effector to deliver more power to the operative site. | 2009-09-24 |
20090236939 | HIGH-PERFORMANCE ELECTROACTIVE POLYMER TRANSDUCERS - Transducers employing electroactive polymer films are disclosed. | 2009-09-24 |
20090236940 | ULTRASONIC PROBE AND METHOD OF MANUFACTURING THE SAME - In an ultrasonic probe in which individual wires led out from multilayered piezoelectric elements are arranged in a staggered manner, short-circuit is prevented. Each of the elements includes: a multilayered structure in which piezoelectric material layers and at least one internal electrode are stacked; first and second flat electrodes; first and second side electrodes; an insulating film formed at a second side surface side of the multilayered structure; a wiring member bonded to the first flat electrode on the one end of the multilayered structure by using a conducting adhesive material; and the wiring member is provided at the second side surface side of the multilayered structure and the insulating film electrically separates the second side electrode and the conducting adhesive material in a first element, and the wiring member is provided at a first side surface side of the multilayered structure in a second element. | 2009-09-24 |
20090236941 | PIEZOELECTRIC COMPONENT AND METHOD FOR MANUFACTURING SAME - Disclosed is a piezoelectric component ( | 2009-09-24 |
20090236942 | Device with electroceramic/and variant/ and way of using the device with electroceramic/and variant/ - The device with electroceramic/and variant/ and way of using the device with electroceramic/and variant/. | 2009-09-24 |
20090236943 | PIEZOELECTRIC CERAMIC AND PIEZOELECTRIC ELEMENT EMPLOYING IT - The piezoelectric element | 2009-09-24 |
20090236944 | Piezoelectric thin film element, and an actuator and a sensor fabricated by using the same - A piezoelectric thin film element includes a substrate, a lower electrode, a piezoelectric thin film, and an upper electrode. The lower electrode, the piezoelectric thin film and the upper electrode are formed on the substrate. The piezoelectric thin film includes a polycrystal thin film including crystal grains, an alkali niobium oxide based perovskite structure represented by a general formula: (K | 2009-09-24 |
20090236945 | MONOLITHIC PIEZOELECTRIC ELEMENT AND METHOD FOR MANUFACTURING THE SAME - A monolithic piezoelectric element includes an element assembly in which internal electrode layers and piezoelectric ceramic layers are laminated alternately. The internal electrode layers contain an Ag—Pd alloy, which has an Ag content of 85 percent by weight or more as a primary component, a metal element having a valence of at least one of pentavalence or hexavalence. The piezoelectric ceramic layers contain a composite oxide represented by Pb(Ti,Zr)O | 2009-09-24 |
20090236946 | PIEZOELECTRIC/ELECTROSTRICTIVE FILM ELEMENT - An actuator includes a first electrode disposed on the top surface of a ceramic substrate (for example, zirconium oxide), a piezoelectric/electrostrictive substance disposed on the first electrode, and a second electrode disposed on the piezoelectric/electrostrictive substance, wherein the input of an electric power alters the volume of the piezoelectric/electrostrictive substance. The piezoelectric/electrostrictive substance contains a plurality of crystal grains that have a wavy structure composed of wavy grain boundaries including concave portions and convex portions. The crystal grains contain ABO | 2009-09-24 |
20090236947 | Piezoelectric materials - A piezoelectric perovskite mixed oxide compound has the general formula (BiFeO | 2009-09-24 |
20090236948 | Piezoelectric Transformer - A piezoelectric transformer with a body that includes a first functional part and a second functional part is disclosed. The second functional part has inner electrodes, located in the body, which are connected to outer electrodes of this part. The first outer electrode of the first functional part is arranged parallel to the inner electrodes of the second functional part, wherein the minimum distance between the first outer electrode of the first functional part and the respective outer electrodes of the second functional part is selected greater than the distance between the first outer electrode of the first functional part and a terminal inner electrode of the second functional part facing it. | 2009-09-24 |
20090236949 | PROCESS FOR PRODUCING A PIEZOELECTRIC FILM, FILM FORMING APPARATUS, AND PIEZOELECTRIC FILM - A piezoelectric film is formed on a substrate by a sputtering technique at a film formation temperature higher than a Curie temperature. An electric field is formed across the piezoelectric film in a direction heading from a surface side of the piezoelectric film toward the substrate side before a temperature of the piezoelectric film having been formed falls to a temperature lower than the Curie temperature, polarization processing being caused to begin by the formation of the electric field across the piezoelectric film. The temperature of the piezoelectric film is allowed to fall to a temperature lower than the Curie temperature in the state in which the electric field is being formed. | 2009-09-24 |
20090236950 | Manufacturing method of tuning-fork type quartz crystal resonator - There is disclosed a manufacturing method of a tuning-fork type quartz crystal resonator, in which a simple step can just be added to the existing manufacturing process to prevent generation of short-circuit at a crotch portion and largely improve yield. | 2009-09-24 |
20090236951 | SWITCHED RELUCTANCE MOTOR - The present invention relates to a switched reluctance motor which includes a housing, a stator and a rotor received and installed within the housing, and a rotor position detecting unit that detects a rotational position of the rotor at an outer side of the housing. Assembling can be quickly and easily performed, a sensor can be easily repaired and checked, and a bad influence on the sensor by temperature and dust can be reduced. | 2009-09-24 |
20090236952 | Paper towel construction and dispenser - A single hand paper towel dispenser and towel is disclosed having a plurality of generally flat longitudinally stacked paper towels. The stacked paper towels include a first paper towel, a second paper towel, and a securing element. The first paper towel has a first end portion, an opposing second end portion, a first side, and a second side. The second paper towel is a completely separate paper towel having a first end portion, an opposing second end portion, a first side, and a second side. The securing element secures one end of the first paper towel to one end of the second paper towel in order to form a bond therebetween. The paper towel dispenser is sized to house the plurality of paper towels. The dispenser includes a slot having a width sized such that a single paper towel may extend therethrough. | 2009-09-24 |
20090236953 | Container for Electronic Device That Allows Multiple Functions Over a Vending Machine - A holding device which holds components of an electronic device, which is able to perform multiple functions on a vending machine is described. The device safely holds the components to ensure their proper performance even under hostile conditions. In one embodiment the holder includes a support for the printer paper, a lower back cover, an upper back cover, a main body and an anti-vandal front panel. The anti-vandal front panel protects the inner components from attack from the outside. The device also provides a display and permits the issuance of printed tickets. | 2009-09-24 |
20090236954 | Medication Storage - A medication storage for storing medications while cooling down them is constituted so as to allow a medication based on prescription data to be certainly taken out. The medication storage cools down inside a storeroom for storing the medications to a predetermined temperature by a cooling unit. The medication storage, includes: a plurality of shelves rotatably provided in the storeroom; a plurality of storage partitions which are respectively constituted on each shelf and store the medications; a motor for rotating the shelves; a plurality of openings provided respectively for being arranged to correspond to each of the shelves thereby allowing only medication in any one of the storage partitions to be taken out; a plurality of doors for openably closing each opening, respectively; a plurality of lock solenoids for locking each door, respectively; and a control unit for controlling the motor and the lock solenoid. The controller permits the shelves to be rotated based on the prescription data so as to bring a predetermined storage partition to a position corresponding to the opening and then to permit the lock solenoid to be unlocked. | 2009-09-24 |
20090236955 | HANGING FILE BAR AND METHOD FOR USING SAME - A bar for suspending a document between two parallel rails includes a substantially rectangular body having an upper edge, a lower edge, and a plurality of spaced apart holes centered about a midpoint of said body, said lower edge defining first and second integral hook members disposed at opposite ends of said body portion including a downwardly directed leg member on respective distal sides of the hook members. | 2009-09-24 |
20090236956 | FOLDING WORK BENCH - The folding work bench folds compactly for storage when not in use and occupies a minimal work space. The folding work bench has a durable work surface, a top storage shelf, a back board for hanging tools, a locking mechanism, and a work table that can be folded up against the back board and locked in a compactly folded configuration that also secures the tools on the back board in the work bench. | 2009-09-24 |
20090236957 | GLOBAL RACK SYSTEM - A rack system for electronic and/or electrical equipment including a frame, a front door mounted to the front of the frame, a back door or panel, two side panels mounted to the back and two sides of the frame, and a top panel mounted to the top of the frame. The doors can be single doors or dual doors. The frame includes a rectangular base frame constructed by four horizontal edge members, and a top frame having the same structure as the base frame, and four vertical members each extending between two associate corners of the base frame and the top frame, and joining the base frame and top frame together. The horizontal members and vertical members are contoured with step-like structures, so that the rack has a high stiffness and strength. The door includes a hinge and a latch attached to two vertical members The panels are provided with tabs and latches for securing the panels to the frame. | 2009-09-24 |
20090236958 | MULTIPLE TIER CABINET STORAGE UNIT - A multi-tier cabinet storage installation includes lower and upper storage units which may be wire drawers. The lower and upper units are connected by posts having detachable connections allowing compact packaging in a disassembled condition. A spacer that may be inverted allows adjustment of the elevation of the upper unit to accommodate varying cabinet heights. A modified embodiment intended for use when obstructions are present in the cabinet has a reduced width upper unit for clearing the obstructions and is reversible while still providing a handle in the front regardless of which way the installation is made. | 2009-09-24 |
20090236959 | Slide adjusting device for a drawer - A slide adjusting device for a drawer includes a first rail member having a first opening; a fixture secured to the first rail member; a supporting member including a connecting portion, a supporting portion, and a guiding portion, the connecting portion being connected to the fixture, the supporting portion corresponding in position to the first opening, the guiding portion comprising a guiding surface, the fixture or the supporting member being provided with a plurality of first engaging portions; an adjusting member including an adjusting portion and a connecting rod driven by the adjusting portion, the connecting rod being provided with a plurality of second engaging portions. When the adjusting portion is turned, the second engaging portions will be driven to move and mesh with the first engaging portions and the supporting portion will move in relation to the first opening with the connecting portion as a fulcrum to hold against the bottom of the drawer. | 2009-09-24 |
20090236960 | ELECTRIC LAMP AND INTERFERENCE FILM - An electric lamp has a light-transmitting lamp vessel ( | 2009-09-24 |
20090236961 | Field emission electron source having carbon nanotubes - A field emission electron source includes a CNT needle and a conductive base. The CNT needle has an end portion and a broken end portion; the end portion is contacted with and electrically connected to a surface of the conductive base. The CNTs at the broken end portion form a taper-shape structure, wherein one CNT protrudes and is higher than the adjacent CNTs. | 2009-09-24 |
20090236962 | DISPLAYING DEVICE AND LIGHTING DEVICE EMPLOYING ORGANIC ELECTROLUMINESCENCE ELEMENT - The Present invention provides an organic EL display and a lighting device having high efficiency. The organic EL display comprises a substrate, a pixel-driving circuit unit, and pixels arranged in the form of a matrix on the substrate. The pixel comprises a light-emitting part, and the light-emitting part is composed of a first electrode placed near to the substrate, a second electrode placed far from the substrate, and at least one organic layer placed between the first and second electrodes. The second electrode has a metal electrode layer having a thickness of 10 nm to 200 nm, and the metal electrode layer comprises a metal part and plural openings penetrating through the layer. The metal part is seamless and formed of metal continuously connected without breaks between any points therein. The openings have an average opening diameter of 10 nm to 780 nm, and are arranged so periodically that the distribution of the arrangement is represented by a radial distribution function curve having a half-width of 5 nm to 300 nm. | 2009-09-24 |
20090236963 | Phosphor and Manufacturing Method Therefore, and Light Emission Device Using the Phosphor - To provide a phosphor having an emission spectrum with a broad peak in a range from green color to yellow color, having a broad and flat excitation band capable of using lights of broad range from near ultraviolet/ultraviolet to blue lights as excitation lights, and having excellent emission efficiency and luminance. The problem is solved by providing the phosphor expressed by a general composition formula MmAaBbOoNn:Z (where element M is one or more kinds of elements having bivalent valency, element A is one or more kinds of elements having tervalent valency, element B is one or more kinds of elements having tetravalent valency, O is oxygen, N is nitrogen, and element Z is one or more kinds of elements acting as the activator.), satisfying 4.0<(a+b)/m<7.0, a/m=0.5, b/a>2.5, n>o, n=2/3m+a+4/3b−2/3o, and having an emission spectrum with a peak wavelength of 500 nm to 650 nm when excited by light in a wavelength range from 300 nm to 500 nm. | 2009-09-24 |
20090236964 | LIGHT-EMITTING DEVICE - A light-emitting device according to the present invention includes: first insulators ( | 2009-09-24 |
20090236965 | Field emission display - A field emission device includes a transparent plate, an insulating substrate, one or more grids located on the insulating substrate. Each grid includes a first, second, third and fourth electrode down-leads and a pixel unit. The first, second, third and fourth electrode down-leads are located on the periphery of the grid. The first and the second electrode down-leads are parallel to each other. The third and the fourth electrode down-leads are parallel to each other. The pixel unit includes a phosphor layer, a first electrode, a second electrode and at least one electron emitter. The first electrode and the second electrode are separately located. The first electrode is electrically connected to the first electrode down-lead, and the second electrode is electrically connected to the third electrode down-lead. The phosphor layer is located on the corresponding first electrode. | 2009-09-24 |
20090236966 | LIGHT-EMITTING SUBSTRATE, IMAGE DISPLAY APPARATUS, AND INFORMATION DISPLAY AND REPRODUCTION APPARATUS USING IMAGE DISPLAY APPARATUS - To suppress discharge around an anode electrode. Provided is a light-emitting substrate, including a light-emitting member for emitting light by irradiation with an electron, a first electroconductive film stacked on the light-emitting member, a second electroconductive film which is distant from an outer periphery of the first electroconductive film and surrounds the outer periphery of the first electroconductive film, and a dielectric film for covering an end portion of the second electroconductive film which is opposed to the outer periphery of the first electroconductive film. | 2009-09-24 |
20090236967 | LED LIGHT SOURCE AND METHOD FOR ADJUSTING CHROMATICITY OF LED LIGHT SOURCE - The present invention is directed to the provision of an LED light source that can easily adjust its chromaticity and a chromaticity adjustment method for such an LED light source. More specifically, the invention provides a chromaticity adjustment method for an LED light source having an LED device, a phosphor which absorbs a portion of light emitted from the LED device and emits light by wavelength conversion, and a resin material containing the phosphor and disposed so as to enclose the LED device, wherein an ink coating layer is disposed on a surface of the resin material in order to adjust chromaticity; the invention also provides an LED light source adjusted in such a manner. | 2009-09-24 |
20090236968 | COMPOSITE EMITTING DEVICE - A composite emitting device including: a supporting substrate, a first emitting part comprising a first electrode, a luminescent medium, and a second electrode stacked in this order on the supporting substrate, and a second emitting part including a fluorescent film arranged in a direction different from the light-out coupling direction relative to the luminescent medium, the luminescent medium emitting light by applying a voltage between the first electrode and the second electrode in the first emitting part, and the fluorescent film of the second emitting part absorbing light emitted from the luminescent medium to emit light. | 2009-09-24 |
20090236969 | FLUORESCENT SUBSTANCE, PROCESS FOR PRODUCING THE SAME, AND LUMINESCENT DEVICE - This invention provides a blue phosphor, which has higher blue brightness and larger half-value width in an emission spectrum as compared with the conventional rare earth-activated sialon phosphor and has better durability as compared with the conventional oxide phosphor. The phosphor comprises a metal element M, wherein M represents Ce, dissolved as a solid solute in a nitride or oxynitride crystal having a β-type Si | 2009-09-24 |
20090236970 | BORATE PHOSPHOR AND WHITE LIGHT ILLUMINATION DEVICE UTILIZING THE SAME - The invention provides borate phosphors composed of Ca | 2009-09-24 |
20090236971 | See-through Display apparatus - A see-through display apparatus includes a first substrate having a plurality of first electrodes on its upper surface, a second substrate having a plurality of second electrodes on its bottom surface. The first electrodes and the second electrodes are alternative arrangement so that a plurality of crossing areas is formed. Each crossing area forms a pixel area and has at least one electric-excited area thereon. The electric-excited areas are alternated with the transparent areas and the see-through rate of the pixel area is ranged in a predetermined range so that the display apparatus has a see-through property. | 2009-09-24 |
20090236972 | PHOSPHORESCENT OLED - An organic light emitting device having a phase-separated light-emissive layer comprising: a charge transport phase comprising a charge transport material; and an emitting phase, the emitting phase comprising a plurality of discrete emissive domains dispersed in the charge transport phase, each emitting domain comprising a host material and one or more metal complexes for emitting light by phosphorescence; wherein the charge transport material has a T1 energy level lower than the T1 energy level of the metal complexes and the host material has a T1 energy level higher than the T1 energy level of the metal complexes. | 2009-09-24 |
20090236973 | ORGANIC COMPOUND, CHARGE-TRANSPORTING MATERIAL, AND ORGANIC ELECTROLUMINESCENT ELEMENT - An organic compound and a charge-transporting material which are excellent in both a hole-transporting property and an electron-transporting property and have excellent electrical oxidation/reduction durability and a high triplet excitation level are provided, and an organic electroluminescent device which uses this organic compound and has high luminous efficiency and high driving stability and long lifetime is provided. One molecule of the organic compound has two or more partial structures represented by the following Formula (I): | 2009-09-24 |
20090236974 | ORGANIC ELECTROLUMINESCENT DEVICE, DISPLAY AND ILLUMINATING DEVICE - Disclosed is an organic electroluminescent (EL) device having high emission luminance and high emission efficiency. Particularly disclosed are a blue-light emitting organic EL device, which is high in emission luminance, color purity, emission efficiency and durability, a display and an illuminating device each employing the organic EL device. The organic El device is characterized in that it comprises a light emission layer containing two or more kinds of host compounds and at least one dopant, wherein at least one of the two or more kinds of host compounds has an excited triplet energy of not less than 2.7 eV, and the dopant is a phosphorescent compound. | 2009-09-24 |
20090236975 | SILICON-CONTAINING COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE UTILIZING THE SAME - Provided are a silicon compound of a specified structure having a substituted silyl group and an organic electroluminescence device composed of one or more organic thin film layers including at least a light emitting layer, the organic thin film layer being interposed between a cathode and an anode, in which at least one layer of the organic thin film layers contains the silicon compound alone or as a component of mixture. Thus, there are provided an organic electroluminescence device capable of obtaining a high luminous efficiency, a high color purity and a long lifetime, and a novel silicon compound for realization thereof. | 2009-09-24 |
20090236976 | ORGANIC LIGHT EMITTING DISPLAY DEVICE - An organic light emitting display device includes a substrate, a display unit that is formed on the substrate, and includes a plurality of organic light emitting regions that emit light, a sealing member disposed above the display unit, and one or more light absorption pattern units formed on a plurality of non-light emitting regions of the display unit. | 2009-09-24 |
20090236977 | ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - An organic light emitting diode (OLED) display device and a method of fabricating the same. The OLED display device includes a substrate, a thin film transistor on the substrate and including a semiconductor layer, a gate electrode, a gate insulating layer, a source electrode and a drain electrode. A passivation layer is on an entire surface of the substrate including the thin film transistor. A planarization layer is on the passivation layer. A first electrode is on the planarization layer and electrically coupled to any one of the source electrode or the drain electrode. A metal mixture layer is on substantially the entire surface of the substrate and includes a conductive region and a non-conductive region. An organic emitting layer and a second electrode both are on the metal mixture layer. | 2009-09-24 |
20090236978 | WHITE ELECTROLUMINESCENT ORGANIC DIODES BASED ON MOLECULES DERIVED FROM PHOSPHOLE - The invention concerns a white electroluminescent organic diode, providing, under the effect of electrical polarization, a white light composed of a mixture of at least one first colour and a second colour emitted respectively by a first phosphorous material and by a second phosphorous material. At least one of these phosphorous materials is a phosphole-based material, said material being of the fluorescent type or phosphorescent type | 2009-09-24 |
20090236979 | Organic Electroluminescent Device and the Method of Making - The light-emitting device comprising an anode, a cathode, a semi-conducting layer between the anode and the cathode and a hole injection layer comprising a conducting polymer between the anode and the semi-conducting layer; where an interfacial bonding layer is formed in-situ between the hole injection layer and the semi-conducting is disclosed. | 2009-09-24 |
20090236980 | Light-Emitting Element, Light-Emitting Device and Electronic Device - A light-emitting element with improved emission efficiency is provided. The light-emitting element includes a light-emitting layer in which a first light-emitting layer and a second light-emitting layer are stacked in contact with each other over an anode, and a first substance serving as an emission center substance in the second light-emitting layer is the same as a main substance in the first light-emitting layer. Note that a second substance is added to the first light-emitting layer for stabilization of film quality, and a third substance serving as a host material to disperse the first substance serving as an emission center substance is included in the second light-emitting layer. In the light-emitting element, the second substance and the third substance are substances having energy gaps (or triplet energy) larger than the first substance. | 2009-09-24 |
20090236981 | ORGANIC LIGHT EMITTING DISPLAY APPARATUS - An organic light emitting display apparatus that includes a substrate, an organic light emitting unit formed on the substrate, a reflection member disposed on a non-light emitting region of the organic light emitting unit, and a sealing member that seals the organic light emitting unit. The organic light emitting display apparatus can function as a display apparatus or a mirror. | 2009-09-24 |
20090236982 | PACKAGING STRUCTURE OF ORGANIC LIGHT-EMITTING DIODE AND METHOD FOR MANUFACTURING THE SAME - The present invention discloses a packaging structure of organic light-emitting diode and a method for manufacturing the same. According to the present invention, an organic light emitter layer, which comprises an anode layer, an organic light-emitting layer, and a cathode layer, is provided. A first transparent passivation layer is set on the cathode layer, and has light transmittance greater than 80%. In addition, the first transparent passivation layer has an amorphous or crystalline structure for isolating oxygen and vapor. Because the first transparent passivation layer is sputtered in vacuum at room temperature, it can be applied to flexible printed circuit boards. Furthermore, a second transparent passivation layer is set under a substrate, which is under the organic light emitter layer. Alternatively, a resin layer is set on the first transparent passivation layer or under the second transparent passivation layer as the multi-layer packaging structure. | 2009-09-24 |
20090236983 | METHOD FOR PREPARING MULTILAYER OF NANOCRYSTALS, AND ORGANIC-INORGANIC HYBRID ELECTROLUMINESCENCE DEVICE COMPRISING MULTILAYER OF NANOCRYSTALS PREPARED BY THE METHOD - A method for preparing a multilayer of nanocrystals. The method includes the steps of (i) coating nanocrystals surface-coordinated by a photosensitive compound, or a mixed solution of a photosensitive compound and nanocrystals surface-coordinated by a material miscible with the photosensitive compound, on a substrate, drying the coated substrate, and exposing the dried substrate to UV light to form a first monolayer of nanocrystals, and (ii) repeating the procedure of step (i) to form one or more monolayers of nanocrystals on the first monolayer of nanocrystals. Further, an organic-inorganic hybrid electroluminescence device using a multilayer of nanocrystals prepared by the method as a luminescent layer. The luminescent efficiency and luminescence intensity of the electroluminescence device can be enhanced, and the electrical properties of the electroluminescence device can be controlled by the use of the multilayer of nanocrystals as a luminescent layer. | 2009-09-24 |
20090236984 | 3D Electroluminescent High-Pressure Forming Element, Production Process And Application - A three-dimensionally formed film element which can be produced by isostatic high-pressure forming, a process for producing the three-dimensionally formed film element according to the invention and the use of the three-dimensionally formed film element according to the invention for developing display elements such as a speedometer panel for land, water and aircraft, for developing seatbelt signs or warning signs for land, water and aircraft and warning signs in buildings and for developing housing elements for mobile and static electronic devices and for developing a keyboard. | 2009-09-24 |
20090236985 | Electron tube and method for manufacturing electron tube - A photomultiplier tube | 2009-09-24 |
20090236986 | High intensity discharge lamp - An arc discharge lamp ( | 2009-09-24 |
20090236987 | Plasma display panel - A PDP includes first and second substrates facing each other, a plurality of inner barrier ribs in a display region between the first and second substrates to define display discharge cells, a plurality of dummy barrier ribs in a non-display region between the first and second substrates, the non-display region being peripheral to the display region, a plurality of electrodes between the first and second substrates to generate a discharge in the display discharge cells, a first dielectric layer on the first substrate, the first dielectric layer overlapping the display region and only a portion of the non-display region, at least one phosphor layer in each of the display discharge cells, and a frit in the non-display region connecting the first and second substrates, the dummy barrier ribs being arranged between the frit and the inner barrier ribs. | 2009-09-24 |
20090236988 | ELECTRODE FOR DISCHARGE LAMP AND DISCHARGE LAMP - It is possible to obtain electrodes | 2009-09-24 |
20090236989 | MAGNETRON - The present invention aims to provide a magnetron in which the getter material is used under the temperature range in which the gettering effect is sufficiently exerted, and even if the getter material evaporates, the vapor of the getter material is not vapor-deposited on the stem ceramic and the antenna ceramic, and therefore, unwilling electrical conduction or performance deterioration is prevented. The magnetron according to the present invention includes an anode cylinder having a cylindrical shape with open side ends and including an inner wall and a plurality of anode vane radially provided on the inner wall, a cathode part provided on a central axis of the anode cylinder, a pair of pole piece, one of which is provided on the one of the open side end and the other one of which is provided on the other open side end, a mounting part provided in the anode cylinder as a different part from the pole piece, and a getter material provided on the mounting part. | 2009-09-24 |
20090236990 | ELECTRIC DISCHARGE LIGHT-REGULATION MATCHING... - A electric discharge light regulation matching circuit that operates with filaments includes a resonance unit, a converter unit, a charge circuit, a half-bridge output unit and a lamp. The converter unit is connected to the resonance unit to convert an AC current to a DC current. The charge circuit, which has a charge capacity, is connected to the converter unit. The half-bridge output unit includes two electric control switches in series connection. The lamp, which is connected to the charge circuit, includes a first filament and a second filament therein. The first filament has an end connected to the charge capacity to heat the first filament directly that may prevent a flicker problem of the lamp connecting the electric control switch and may provide functions of recycling power and preventing temperature rising. | 2009-09-24 |
20090236991 | MAGNETRON - A magnetron has an anode | 2009-09-24 |
20090236992 | LED LAMP AND PRODUCTION METHOD OF THE SAME - An LED lamp including a glass lampshell and a stem assembly with one end inserted into the glass lampshell. The stem assembly comprises a glass trumpet tube with one end sealed within the glass lampshell to form a cavity within the glass lampshell and within the cavity a supporting component connected to the glass trumpet tube and supporting an LED emitter. The stem assembly further comprises a wire encompassed within the glass trumpet tube. The wire has one end extending outside of the cavity and the other end electrically connected to the LED emitter. | 2009-09-24 |
20090236993 | INSPECTION CIRCUIT, ELECTRO-OPTIC DEVICE, AND ELECTRONIC APPARATUS - An inspection circuit for inspecting an electro-optic device that includes a data line, a scanning line, a pixel portion, a driving circuit, and a first terminal portion through which a first power supply voltage is supplied to the driving circuit. The inspection circuit includes an inspection line electrically connected to an inspection unit inspecting the pixel portion, a connection circuit electrically connecting the inspection line to the data line, and a supply circuit supplying a control signal for controlling conduction between the data line and the inspection line to the connection circuit. The supply circuit is driven using a second power supply voltage supplied through a second terminal portion. | 2009-09-24 |
20090236994 | ILLUMINATION SYSTEM COMPRISING A PLURALITY OF LIGHT SOURCES - An illumination system ( | 2009-09-24 |
20090236995 | AC POWER FEEDBACK CONTROL DEVICE - An AC power feedback control device for a vacuum fluorescent display is provided. In the AC power feedback control device, the Class-D drivers are driven by the PWM controller so as to generate a sine wave voltage. After being filtered by the LPFs, the sine wave voltage is ready for filaments. The output voltage outputted by the filaments is detected by simple feedback elements so as to control and modulate the duty cycle of the PWM controller. | 2009-09-24 |
20090236996 | DRIVE CIRCUIT FOR DRIVING INDICATORS IN COMPUTER SYSTEM - A circuit is used to indicate different statuses of a component of a computer system. The circuit includes a port, an indicating device, and a control circuit. The port outputs different signals corresponding to different statuses of the component. The indicating device includes a first indicator and a second indicator each of which includes a positive end and a negative end. The positive end of the second indicator is connected to the negative end of the first indicator, and the negative end of the second indicator is connected to the positive end of the first indicator. The control circuit includes an input terminal, and a pair of output terminals connected to opposite ends of the first indicator. A polarity of an electric potential difference between the pair of output terminals is switched between negative and positive polarities according to the signal outputted by the port. | 2009-09-24 |
20090236997 | LED control circuit and method, and insect resistive LED lamp - A LED control circuit and method generate a high frequency clock signal with a fixed duty for a LED driver, to supply a switching current to drive a LED to emit light flashing at a modulated high frequency and with a fixed duty. By controlling the flashing LED light within certain flashing frequency range, the circuit and method allow a LED light source for expelling, confusing or trapping insects but serving only an illuminative or decorative purpose to human eyes, due to the difference between human beings and insects in visual perception of flashing frequencies. | 2009-09-24 |
20090236998 | DRIVING METHOD AND DRIVING DEVICE FOR DISCHARGE LAMP, LIGHT SOURCE DEVICE, AND IMAGE DISPLAY DEVICE - A driving method for a discharge lamp that lights by performing discharge between two electrodes while alternately switching a polarity of a voltage applied between the two electrodes includes: modulating an anode duty ratio, which is a ratio of an anode time for which one of the electrodes operates as an anode in one period of the polarity switching, by setting first and second periods with different anode duty ratios; and setting a first polarity switching period in the first period to be shorter than a second polarity switching period in the second period. | 2009-09-24 |
20090236999 | DISCHARGE LAMP LIGHTING DEVICE AND LIGHT FIXTURE - In a discharge lamp lighting device that, at a time of starting a discharge lamp La, alternately repeats periods HF | 2009-09-24 |
20090237000 | PDP DRIVING APPARATUS AND PLASMA DISPLAY - A PDP driving apparatus drives a plasma display panel (PDP) having sustain electrodes, scan electrodes, and address electrodes. The PDP driving apparatus includes a high side switch element and a low side switch element, those electrically coupled in series. A specific pulse voltage is applied from a junction point of the high side switch element and the low side switch element to at least sustain electrodes, scan electrodes, or address electrodes of the plasma display panel. At least one of the high side switch element and the low side switch element is a bidirectional switch element. | 2009-09-24 |
20090237001 | Light Output Device and Image Forming Apparatus Including the Same - A light output device includes a feedback-signal generating unit configured to generate a feedback control signal for maintaining output power of the light at a predetermined value. The feedback-signal generating unit generates the feedback control signal in a gradually rising manner and supplies the generated feedback control signal to the output unit so that output power of the light is gradually increased at a time of power-on. The light output device also includes a discharge circuit configured to discharge a charge stored in the feedback-signal generating unit and thereby accelerate decrease of the feedback control signal and a power-voltage monitoring circuit configured to monitor a voltage of the power supplied to the output unit. The power-voltage monitoring circuit, upon detecting shutdown of the power, controls the discharge circuit and thereby causes discharge of the charge stored in the feedback-signal generating unit. | 2009-09-24 |
20090237002 | METHOD AND SYSTEM FOR CONTROLLING LIGHT FIXTURES - A system and method for controlling a plurality of light fixtures to create light and music, including a processor having a memory. Software is loaded in the memory and is executable by the processor to operate a plurality of light fixtures and at least one music speaker. At least one DMX controller is operable by the software to control the color of at least one of the plurality of light fixtures, the at least one light fixture controllable by the DMX controller including an LED light engine. The system and method generates light and sound displays by operating the lights in synchronization with music played through the music speaker. The color of at least one of the plurality of light fixtures is altered in synchronization with the music by the DMX controller. Also disclosed is a light fixture suitable for use in the light and music displays. | 2009-09-24 |
20090237003 | FEEDBACK CONTROLLED ILLUMINATION SYSTEM HAVING AN ARRAY OF LEDS, AND A DETECTOR AMONG THE LEDS - The present invention relates to an illumination system having an array of differently coloured LEDs, a plurality of collimators, wherein each collimator holds at least one LED, a light mixing element, arranged to mix light generated by the LEDs into a mixed light that is emitted from the illumination system, and a control system for controlling the colour balance of the mixed light. The control system comprises a detector, which is placed among said collimators and encircled by a light shield. The detector detects a fraction of the mixed light that is reflected at an exit window of the mixing element. In this structure the detected light twice passes the mixing element, which provides for a proper mixing of the different colours as well as a proper homogenisation of the light. | 2009-09-24 |
20090237004 | Display apparatus - A circuit for controlling illumination means in a display includes illumination means arranged in a series-connection that are supplied with an essentially constant current. For individually controlling the illumination means, switches are provided for bypassing individual illumination means, maintaining the essentially constant current in the series-connection. The switches are floating with respect to a ground potential. A coupling means is thus provided for proper control of the switches. In a development of the invention a floating local power supply is provided with each illumination means and switch for operating the switch. The local power supply is, in one embodiment, powered by the control signal that is used for controlling the bypass switch. In another embodiment provision is made for supplying power to the floating local power supply. A driving method according to the embodiments of the circuit is also described. | 2009-09-24 |
20090237005 | ELECTRONIC DEVICE CAPABLE OF CONTROLLING LED BRIGHTNESS AND METHOD THEREOF - An electronic device capable of controlling light-emitting diode (LED) bright is provided. The electronic device includes a signal producing unit for producing an operation signal; a Micro Control Unit (MCU) configured for outputting a normal brightness control signal according to the operation signal, and outputting a ultra brightness control signal according to the operation signal when an actual idle time of the electronic device reaches or exceeds a predetermined idle time; a pulse current control unit for controlling an output current according to the normal brightness control and the ultra brightness control signal; and a LED illuminator array for emitting light based on the output current. The MCU terminates the output of the ultra brightness control signal when an actual time of outputting the ultra brightness control signals reaches a predetermined time, and then the LED illuminator array resumes its normally bright. A control method is also provided. | 2009-09-24 |
20090237006 | APPARATUS, SYSTEM, AND METHOD FOR DEVICE GROUP IDENTIFICATION - An apparatus, system, and method are disclosed for identifying and differentiating among multiple groups of devices, comprising at least two LEDs, a controller, and a blending medium. The at least two LEDs emit a wavelength of light that is different from a wavelength of each other LED. The controller drives the at least two LEDs to each emit light at specified intensities in response to a color identifying value. The blending medium combines the light emitted by the at least two LEDs into an identifying color that identifies a group of devices. | 2009-09-24 |
20090237007 | LIGHT-EMITTING DIODE DRIVING CIRCUIT AND SECONDARY SIDE CONTROLLER FOR CONTROLLING THE SAME - A light-emitting diode (LED) driving circuit and a secondary side controller for controlling the same control an output voltage of the LED driving circuit at a first driving voltage or a second driving voltage. When the output voltage is controlled at the first driving voltage, an LED module driven by the LED driving circuit is in a stably lighting state; and when the output voltage is controlled at the second driving voltage, the output voltage is approximately a threshold voltage of the LED module but higher than zero volt, so that the LED module is close to not emitting light. Therefore, in a dimming operation, the variation of voltage applied across the LED module is smaller than that in the conventional LED driving circuits to thereby protect the LED module against an excessive voltage stress and avoid the problem of inaccurate dimming. | 2009-09-24 |
20090237008 | LEFT/RIGHT TURN INDICATOR FOR VEHICLE - In response to a left turn operation of a turn signal lever when left and right headlights provided on the left and right sides of a front part of a vehicle are turned on, a left turn signal light is turned on, and, at the same time, a left main light is made into a turned-off state corresponding to left turn indication. When a right turn operation of the turn signal lever is performed, a right turn signal light is turned on, and, at the same time, a right main light is made into a turned-off state corresponding to right turn indication in response to this operation. In a dark environment such as nighttime, oncoming vehicles and pedestrians can surely know the left or right turning of the vehicle based on the change in the main lights from a normal lighting state to the turned-off state. | 2009-09-24 |
20090237009 | DISCHARGE LAMP LIGHTING DEVICE, CONTROL METHOD THEREOF, AND PROJECTOR - A discharge lamp lighting device includes: a power control circuit outputting DC current; an AC conversion circuit generating and outputting discharge lamp driving AC current by inverting the polarity of the DC current at a predetermined timing; a control circuit performing an AC conversion control process of controlling a polarity inversion timing of the discharge lamp driving AC current on the AC conversion circuit and performing an interval current control process of controlling a current value of the DC current every polarity inversion timing interval on the power control circuit; a detection unit detecting a discharge lamp driving voltage at the time of normal lighting; a history information storage periodically storing history information of the detected discharge lamp driving voltage, a statistics processing unit statistically processing the stored history information every predetermined period; and a statistical information storage storing information having been subjected to the statistical process as statistical information. Here, the control circuit sets and controls at least one of a frequency, a duty ratio, and a waveform of the discharge lamp driving AC current on the basis of a time-dependent tendency of the statistical information. | 2009-09-24 |
20090237010 | End-to-End Lamp Assembly and Method of Manufacturing Same - Disclosed herein are systems and methods for a lamp assembly having a novel design for fitting two or more tube-shaped lamps end-to-end. Such an end-to-end structure may be constructed for use inside a single protective sleeve, such as one constructed of transparent quartz in embodiments where the assembly is used in a decontamination reactor equipment. In exemplary embodiments, the lamps are securely coupled, or otherwise fastened or linked, together end-to-end using any appropriate means for ensuring the integrity and longevity of the connection between the ends of the lamps. The integrity of this end-to-end connection would prevail under any and all circumstances, such as shipping or otherwise moving the assembly, or under normal or abnormal operating conditions, or even in the event that any equipment in which the lamp assembly is used fails during its operation. | 2009-09-24 |
20090237011 | Illumination Device and Fixture - Technologies are described herein for an illumination device and a corresponding fixture device. The illumination device includes a luminary module for the emission of light and an identification circuit containing identifying data, while the fixture device includes a driver module for supplying power to the illumination device and a controller module. When the illumination device is connected to the fixture device, the controller module communicates with the identification circuit of the illumination device to retrieve the identifying data and causes the driver module to supply the appropriate power to the luminary module of the illumination device. | 2009-09-24 |
20090237012 | CORDLESS POWER TOOL AND BATTERY DEVICE USED FOR SAME - A power tool, having attached thereto a battery device including one or a plurality of cell assemblies, includes a motor which is supplied with a DC current from the battery device, a switching element which controls a drive and a stop of the motor, means which detects a number of cell assemblies, and control means which controls the switching element in such a way as to stop the drive of the motor when the number of cell assemblies is smaller than a prescribed value. | 2009-09-24 |
20090237013 | Control Apparatus and Method for Motor Drive System - In the rectangular-wave voltage control mode, torque feedback control, in which the voltage phase of the rectangular-wave voltage is adjusted based on the deviation of the torque estimated value from the torque command value, is performed. A torque estimation portion calculates the torque estimated value using the motor currents calculated based on the values detected by a current sensor and a rotational position sensor, as in the case of the PWM control mode. Namely, the same state quantity (quantity detected by the sensors) of the alternating-current motor is used in the motor control in both the rectangular-wave voltage control mode and the PWM control mode. | 2009-09-24 |
20090237014 | SYNCHRONOUS MOTOR CONTROL DEVICE AND METHOD FOR OPTIMIZING SYNCHRONOUS MOTOR CONTROL - A synchronous motor control device, includes a coordinate transformation portion for coordinate transforming motor currents applied to respective three phases of a synchronous motor into a d-axis, corresponding to a direction of a magnetic field generated by a permanent magnet arranged at a rotor of the synchronous motor, and a q-axis orthogonal to the d-axis, a current command calculation portion for calculating a d-axis current command and a q-axis current command from a target torque, a voltage command calculation portion for calculating a d-axis voltage command and a q-axis voltage command, an inverse coordinate transformation portion for inversely coordinate transforming the d-axis voltage command and the q-axis voltage command into three-phase voltage commands, and a torque ripple estimating portion for estimating a torque ripple and feed-forwarding the estimation results to the current command calculation portion or the voltage command calculation portion. | 2009-09-24 |
20090237015 | Motor Control Device - To prevent a step-out of a permanent magnet synchronous type motor ( | 2009-09-24 |
20090237016 | MOTOR CONTROLLER - A motor controller capable of effectively utilizing electrical energy accumulated in a capacitor and achieving a reduction in capacitance of the capacitor. The motor controller includes a converter that receives an input AC voltage and performs AC-to-DC power conversion thereon, an inverter that receives DC power and performs DC-to-AC conversion thereon, and a capacitor and a charging/discharging control circuit connected in parallel with a DC link between the converter and the inverter. Electrical energy is supplied from the capacitor to the DC link via the charging/discharging control circuit. The charging/discharging control circuit has a circuit for discharging electrical energy accumulated in the capacitor and for stepping up a voltage of the capacitor when discharging the electrical energy. | 2009-09-24 |
20090237017 | Circuit Unit for Driving an Electronically Commutated Fan Motor - The invention relates to a circuit unit for driving an electronically commutated fan motor with a power stage for driving windings of the fan motor and with a control stage for driving the power stage. The circuit unit is distinguished in that an operating voltage of the control stage is separated from an operating voltage of the power stage by a diode and in that an arrangement is provided for smoothing the operating voltage of the control stage. | 2009-09-24 |
20090237018 | Drive unit and manufacturing method thereof - A drive unit includes a rotating electrical machine; a rotation sensor that detects a rotational position of a rotor of the rotating electrical machine, and a storage medium. In an inspecting step of measuring a counter electromotive force by mechanically driving the rotating electrical machine after the rotating electrical machine and the rotation sensor are assembled together, positional error information of the rotation sensor obtained based on information of the counter electromotive force and output information from the rotation sensor is stored in the storage medium. The storage medium is integrally provided to the drive unit in such a state that the storage medium is readable upon assembling a control device that controls the rotating electrical machine. | 2009-09-24 |
20090237019 | MOTOR DRIVE CONTROL APPARATUS, VEHICLE EQUIPPED WITH MOTOR DRIVE CONTROL APPARATUS, AND MOTOR DRIVE CONTROL METHOD - When a target operation point of either a motor MG | 2009-09-24 |
20090237020 | Driving device for synchronous motors - A driving device for three-phase alternating current synchronous motors controls state of charge of a capacitor, and a three-phase alternating current synchronous motor is started prior to the operation of the synchronous motor. Prior to control by a normal operation control unit, the state of charge of the capacitor is controlled by an initial state control unit and a synchronization control unit. Passage of large current through the capacitor immediately after the start of the execution of control by the normal operation control unit is suppressed. As a result, the operating state of the three-phase alternating current synchronous motor does not become unstable and the execution of control by the normal operation control unit can be started with the output voltage of the capacitor stable. | 2009-09-24 |
20090237021 | APPARATUS FOR CARRYING OUT IMPROVED CONTROL OF ROTARY MACHINE - In an apparatus, a norm setter sets, based on a request torque for a rotary machine and a rotational velocity of a rotor, a norm of a vector of an a output voltage in a two-phase rotating coordinate system defined in the rotor. A phase setter sets, based on a deviation between a generated torque and the request torque, a phase of the vector of the output voltage of the power converter in the two-phase rotating coordinate system. A drive signal determiner determines, based on the norm set by the norm setter and the phase set by the phase setter, a drive signal, and applies the drive signal to a switching member to thereby drive the switching member such that the generated torque is adjusted to the request torque. | 2009-09-24 |