Patent application number | Description | Published |
20080309264 | Control Apparatus for Rotational Electric Machine and Driving Apparatus for Vehicle - A control apparatus for controlling a rotational electric machine and a driving apparatus for a vehicle that include an AC motor that rotates wheels and is driven by a power supplied from a battery, an instant variation detecting unit provided in a motor controller that detects a instant variation of a current or voltage of the battery, and a current command operating unit that changes a current command to be sent to the AC motor such that an internal loss of the AC motor is increased by using an internal-loss-increase-use Id·Iq table. | 12-18-2008 |
20090248230 | Motor Controller - The present invention provides a motor controller capable of selecting a motor drive system that provides the best possible system efficiency, according to monitored parameters indicative of the vehicle condition and the conditions of the mounted components. A drive signal processing block of the motor controller outputs drive signals to the motor by using a first drive system and a second drive system causing less switching loss than the first drive system, depending on a demanded torque for the motor. A drive system determination block, when an operating point of the motor allows selection between the first drive system and the second drive system, performs switching from the first drive system to the second drive system, based on the condition of an electric component of the vehicle or the vehicle running condition. | 10-01-2009 |
20100052581 | MOTOR CONTROLLER - When the torque command value is zero, a set point of DC current for an inverter is calculated to obtain a difference between the set point and a detected DC current so that an error in magnetic pole position may be estimated and corrected. By correcting the magnetic pole position, unwanted power running and regenerative torque of the motor can be avoided and unnecessary charge or discharge to or from a battery can be prevented. | 03-04-2010 |
20110297486 | FORKLIFT | 12-08-2011 |
20110313608 | CONSTRUCTION MACHINE AND INDUSTRIAL VEHICLE HAVING POWER SUPPLY SYSTEM - A construction machine or industrial vehicle having a power supply system which includes a chargeable and dischargeable capacitor and a feeder circuit connecting a battery and the capacitor to a load capable of power running and regeneration. The capacitor is connected through a DC/DC converter which includes a controller that controls energy charged or discharged by the capacitor through the DC/DC converter to the load. The controller includes a power running/regeneration operation estimater which estimates an operation pattern including a point of change between power running and regeneration modes of the motor, or DC current supplied to an inverter, or control lever information and previously stored operation pattern information, and a capacitor target voltage calculator which controls an output command value of the DC/DC converter according to the estimated operation pattern so that a capacitor target voltage sequentially decreases in power running and sequentially increases in regeneration. | 12-22-2011 |
20130325269 | HYBRID-TYPE CONSTRUCTION MACHINE - A hybrid-type construction machine is provided which permits swing operation without a sense of awkwardness compared with conventional construction machines and which allows the amount of stored electricity in an electrical storage device to be controlled within an appropriate range of use in consideration of the service life of the electrical storage device without enlarging its capacity. | 12-05-2013 |
20140103874 | CONSTRUCTION MACHINE - Construction machine capable of incorporating an engine and using an external power source. The construction machine includes an electrical storage device performing a charge with the external power source, uses the electrical storage device to provide assist when the power of the engine is insufficient, uses an electrical charge in the electrical storage device systematically in accordance with work time, and efficiently uses the electrical storage device by controlling its discharge amount in accordance with load status. The construction machine includes the engine, accessory loads connected to the engine, an assist electric motor driven by the engine, electrical power converters for converting an AC current, which is the output current of the assist electric motor, to a DC current, and the electrical storage device connected to the DC side of each electrical power converter. The electrical storage device becomes charged through a charging device from the external power source. | 04-17-2014 |
20140147238 | CONSTRUCTION MACHINE - An object of the present invention is to provide a construction machine that is capable of effectively charging electrical power into the capacitor in consideration of the drive of a swing section and hydraulic work device. To achieve the object, the present invention grasps the status of the construction machine ( | 05-29-2014 |
Patent application number | Description | Published |
20100282422 | PROCESSES FOR PRODUCING CELLULOSE NANOFIBERS, CELLULOSE OXIDATION CATALYSTS AND METHODS FOR OXIDIZING CELLULOSE - The present invention aims to provide a process for producing cellulose nanofibers using a 4-hydroxy TEMPO derivative less expensive than TEMPO and a process capable of rapidly producing homogeneous cellulose nanofibers. Wood cellulose can be efficiently converted into nanofibers by a process for producing cellulose nanofibers comprising treating a cellulosic material with an oxidizing agent in water in the presence of a cellulose oxidation catalyst comprising an N-oxyl compound represented by formula 1 below: | 11-11-2010 |
20110008638 | PAPERMAKING ADDITIVE AND PAPER CONTAINING THE SAME - A papermaking additive comprising cellulose nanofibers whose aqueous solution at a concentration of 2% (w/v) has a B-type viscosity (60 rpm, 20° C.) of 500 to 7000 mPa·s, preferably 500 to 2000 mPa·s is used to prepare a paper having improved air resistance and smoothness. This additive is prepared by oxidizing a cellulosic material with an oxidizing agent in the presence of (1) N-oxyl compound (s) and (2) bromide, iodide or a mixture thereof to prepare oxidized cellulose, and finely grinding the oxidized cellulose in a wet condition to convert the oxidized cellulose into nanofibers. | 01-13-2011 |
20120009661 | PROCESS FOR PRODUCING CELLULOSE GEL DISPERSION - A cellulosic material is oxidized with an oxidizing agent in the presence of (1) an N-oxyl compound and (2) a bromide, an iodide or a mixture thereof. The resulting material is subjected to defibration and dispersion treatment to prepare a cellulose nanofiber dispersion liquid. The dispersion liquid thus obtained is acidified so that the cellulose nanofibers are aggregated to form a gelatinous substance. Ultimately, the gelatinous substance is treated mechanically to obtain a cellulose gel dispersion liquid which has low water absorbency and does not tend to swell. | 01-12-2012 |
20120065389 | METHOD FOR RECOVERY/REUSE OF N-OXYL COMPOUND - An effluent produced in oxidation of a cellulosic material with an oxidizing agent in the presence of an N-oxyl compound and a bromide and/or iodide is deionized by electrodialysis to an inorganic salt concentration of less than 0.4%, whereby the N-oxyl compound in the effluent is concentrated and recovered. The N-oxyl compound thus recovered can be reused in oxidation of a cellulosic material. Preferably, the effluent is subjected to reduction treatment and ion exchange resin treatment prior to the electrodialysis. | 03-15-2012 |
Patent application number | Description | Published |
20090087772 | DEVELOPER, IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS - A yellow toner, a magenta toner and a cyan toner, which are used for forming a color image, each contain a yellow pigment having an average dispersed diameter d | 04-02-2009 |
20090233200 | DEVELOPER AND IMAGE FORMING APPARATUS - A developer to be used in an image forming apparatus includes a toner containing a core toner including a colorant, a binder resin, a release agent and a charge controlling agent containing Al and Mg, a first inorganic oxide externally added to the core toner, having a primary particle diameter of from 51 to 200 nm in an amount of from 0.2 to 5.0 wt % based on the core toner, and a second inorganic oxide externally added to the core toner, having a primary particle diameter of from 8 to 50 nm in an amount of from 0.2 to 4.0 wt % based on the core toner, and a carrier having a volume resistivity under an electric field of 1000 V/mm of from 1×10 | 09-17-2009 |
20130095420 | ELECTROPHOTOGRAPHIC TONER - An electrophotographic toner according to an embodiment includes toner particles, which contain a coloring material containing C.I. Pigment Red 48 and C.I. Pigment Red 122 at a weight ratio of from 30:70 to 80:20, a binder resin containing an amorphous polyester resin and a crystalline polyester resin, a wax, and a charge control agent, and which have a glass transition point (Tg) of from 30 to 45° C. and an acid value of from 10 to 17 mgKOH/g. | 04-18-2013 |
Patent application number | Description | Published |
20080298117 | SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE - A semiconductor integrated circuit device, has a first variable resistor element and a second variable resistor element whose resistances are changed complementarily depending on a current; and a current path switching circuit that supplies said current from a power supply by switching between current paths according to whether a normal operation mode or a read mode is input externally, wherein said power supply is turned off and then turned on again in said normal operation mode, and in this state, data corresponding to the relationship between the magnitudes of the resistances of said first variable resistor element and said second variable resistor element is read in said read mode. | 12-04-2008 |
20120280769 | SPIN WAVE DEVICE - A spin wave device according to an embodiment includes: an input interconnect transmitting an input impulse signal; a multilayer film including a foundation layer; a first magnetic layer formed on the multilayer film and generating spin waves when receiving the input impulse signal, the spin waves propagating through the first magnetic layer; a plurality of input electrodes arranged in a straight line on the first magnetic layer, being connected to the input interconnect, and transmitting the input impulse signal to the first magnetic layer; and a plurality of sensing electrodes sensing the spin waves, being arranged on the first magnetic layer, and being located at different distances from one another from the straight line having the input electrodes arranged therein, and the following equation is satisfied: d=Vg×t | 11-08-2012 |
20130235653 | MAGNETIC MEMORY - A magnetic memory according to an embodiment includes: a magnetic structure extending in a first direction and having a circular ring-like shape in cross-section in a plane perpendicular to the first direction; a nonmagnetic layer formed on an outer surface of the magnetic structure, the outer surface extending in the first direction; and at least one reference portion formed on part of a surface of the nonmagnetic layer, the surface being on the opposite side from the magnetic structure, the at least one reference portion containing a magnetic material. | 09-12-2013 |
20130242647 | MAGNETIC MEMORY - A magnetic memory according to an embodiment includes: a magnetic layer including a plurality of magnetic domains and a plurality of domain walls, and extending in a direction; a pinning layer formed with nonmagnetic phases and magnetic phases, extending in an extending direction of the magnetic layer and being located adjacent to the magnetic layer; an electrode layer located on the opposite side of the pinning layer from the magnetic layer; an insulating layer located between the pinning layer and the electrode layer; a current introducing unit flowing a shift current to the magnetic layer, the shift current causing the domain walls to shift; a write unit writing information into the magnetic layer; a read unit reading information from the magnetic layer; and a voltage generating unit generating a voltage to be applied between the pinning layer and the electrode layer. | 09-19-2013 |
20140085970 | MAGNETIC MEMORY - A magnetic memory includes a magnetic wire, a first insulating layer, first electrodes a second electrode, a current supplying module, and a voltage applying module. The magnetic wire includes a first portion and a second portion, has a first electric resistance value, and is configured to form magnetic domains. The first electrodes are formed on the first insulating layer, arranged along the magnetic wire, and spaced from each other. The second electrode includes a third portion and a fourth portion. The second electrode is electrically connected to the first electrodes between the third portion and the fourth portion and has a second electric resistance value being larger than the first electric resistance value. The current supplying module is configured to supply the magnetic wire with a pulse current. The voltage applying module is configured to apply a voltage that decreases with time. | 03-27-2014 |
20140104941 | MAGNETIC MEMORY - A magnetic memory according to an embodiment includes: a magnetic nanowire; first insulating layers provided on a first surface of the magnetic nanowire, each of the first insulating layers having a first and second end faces, a thickness of the first insulating layer over the first end face being thicker than a thickness of the first insulating layer over the second end face; first electrodes on surfaces of the first insulating layers opposite to the first surface; second insulating layers on the second surface of the magnetic nanowire, each of the second insulating layers having a third and fourth end faces, a thickness of the second insulating layer over the third surface being thicker than a thickness of the second insulating layer over the fourth end face; and second electrodes on surfaces of the second insulating layers. | 04-17-2014 |
20140119111 | MAGNETIC MEMORY INCLUDING MAGNETIC NANOWIRE AND WRITE METHOD THEREIN - A magnetic memory according to an embodiment includes: a magnetic nanowire; a first electrode and a second electrode provided to different locations of the magnetic nanowire; a third electrode including a magnetic layer, the third electrode being provided to a location of the magnetic nanowire between the first electrode and the second electrode; an intermediate layer provided between the magnetic nanowire and the third electrode, the intermediate layer being in contact with the magnetic nanowire and the third electrode; a fourth electrode of a nonmagnetic material provided onto the magnetic nanowire and being on the opposite side of the magnetic wire from the third electrode; and an insulating layer provided between the magnetic nanowire and the fourth electrode, the insulating layer being in contact with the magnetic nanowire and the fourth electrode. | 05-01-2014 |
20140140126 | MAGNETIC STORAGE ELEMENT, MAGNETIC STORAGE DEVICE, MAGNETIC MEMORY, AND DRIVING METHOD - A magnetic storage element includes a magnetic nanowire. A cross-section of the magnetic nanowire has first and second visible outlines, the first visible outline has a first minimal point at which a distance from a virtual straight line becomes minimal, a second minimal point at which the distance from the virtual straight line becomes minimal, and a first maximal point at which the distance from the virtual straight line becomes longest between the first minimal point and the second minimal point, and an angle between a first straight line connecting the first minimal point and the second minimal point, and one of a second straight line connecting the first minimal point and the first maximal point and a third straight line connecting the second minimal point and the first maximal point is not smaller than four degrees and not larger than 30 degrees. | 05-22-2014 |
20150036422 | MAGNETIC STORAGE ELEMENT, MAGNETIC STORAGE DEVICE, MAGNETIC MEMORY, AND METHOD OF DRIVING MAGNETIC STORAGE ELEMENT - A magnetic storage element according to an embodiment includes: a magnetic nanowire having a cross-sectional area varying in a first direction, the magnetic nanowire having at least two positions where the cross-sectional area is minimal; first and second electrode groups having the magnetic nanowire interposed in between, the magnetic nanowire including at least one of a first region where the first electrodes overlap the second electrodes with the magnetic nanowire interposed in between and a second region where neither the first electrodes nor the second electrodes exist with the magnetic nanowire interposed in between, the magnetic nanowire including at least one of a third region where the first electrodes exist and the second electrodes do not exist with the magnetic nanowire interposed in between and a fourth region where the first electrodes do not exist and the second electrodes exist with the magnetic nanowire interposed in between. | 02-05-2015 |
20150078070 | MAGNETIC MEMORY DEVICE AND DRIVING METHOD FOR THE SAME - According to one embodiment, a magnetic memory device includes a magnetic unit, a switching part, and a reading part. The magnetic unit includes a magnetic wire, and first and second magnetic parts. The magnetic wire includes magnetic domains and has one end and one other end. The first magnetic part is connected with the one end and has a first magnetization. The second magnetic part is connected with the one end, and has a second magnetization. The switching part includes first and second switches. The first switch is connected with the first magnetic part and flows a first current between the first magnetic part and the magnetic wire. The second switch is connected with the second magnetic part and flows a second current between the second magnetic part and the magnetic wire. The reading part is configured to read a magnetization of the magnetic domains. | 03-19-2015 |
Patent application number | Description | Published |
20150243424 | MAGNETIC DEVICE - According to one embodiment, a magnetic device includes a first extending magnetic portion, a first conductive portion, a first inserted magnetic portion, and a first intermediate portion. The first extending magnetic portion is conductive, and includes a first magnetic region and a second magnetic region. The first magnetic region extends in a first extending direction, includes a first part, and has a first magnetization being changeable. The second magnetic region extends in the first extending direction, having a magnetization being changeable and different form the first magnetization. The first conductive portion is provided apart from the first part in a stacking direction intersecting the first extending direction. The first inserted magnetic portion is provided between the first conductive portion and the first part, and has a second magnetization being changeable. The first intermediate portion is provided between the first part and the first inserted magnetic portion. | 08-27-2015 |
20150255710 | MAGNETIC MEMORY, MAGNETIC MEMORY DEVICE, AND OPERATION METHOD OF MAGNETIC MEMORY - A magnetic memory includes a magnetic thin line including a plurality of magnetic domains, a reference layer having a magnetization, a nonmagnetic layer, a first fixed magnetization part having a magnetization, a second fixed magnetization part having a magnetization, a first electrode, a second electrode, and a third electrode. | 09-10-2015 |
20150262702 | MAGNETIC MEMORY, METHOD OF RECORDING DATA TO AND REPRODUCING DATA FROM MAGNETIC MEMORY, AND METHOD OF OPERATING MAGNETIC MEMORY - A magnetic memory according to an embodiment includes: a plurality of groups of magnetic nanowires extending in a direction, each group of magnetic nanowires including at least one magnetic nanowire, each magnetic nanowire having a first terminal and a second terminal; a plurality of recording and reproducing elements corresponding to the groups of magnetic nanowires, each recording and reproducing element writing data to and reading data from magnetic nanowires of a corresponding group of magnetic nanowires, and connecting to the first terminals of the magnetic nanowires of the corresponding group of magnetic nanowires; and an electrode to which the second terminals of the magnetic nanowires of the groups of magnetic nanowires are connected. | 09-17-2015 |
Patent application number | Description | Published |
20120234661 | SWITCH DEVICE - A switch device includes an operation knob; a supporting shaft that swingably supports the operation knob; a board substantially parallel to the supporting shaft; a first push button switch located on one side of a surface that includes the supporting shaft and is perpendicular to the board, and provided on the board to be operated by swing of the operation knob; a second push button switch located on another side of the perpendicular surface, and provided on the board to be operated by the swing of the operation knob; and a third push button switch intersecting the perpendicular surface, and provided on the board to be operated by the swing of the operation knob. A first point of effort of a force acting on the first push button switch in the operation knob is located on the one side, spaced from the perpendicular surface. | 09-20-2012 |
20120325636 | POWER WINDOW SWITCH - A power window switch has a case, a substrate disposed in the case, a window operation knob disposed on the case, a window lock button disposed on a front side of the window operation knob on the case, a window operation switch mechanism disposed in the case and activated in accordance with an operation of the window operation knob, a window lock switch mechanism disposed in the case and activated in accordance with an operation of the window lock button, and a connector having a terminal with a first terminal end protruding from the case and a second terminal end connected to the substrate. The window lock switch mechanism includes two conductive plate springs, and a pressing unit for pressing the plate springs. | 12-27-2012 |
20130008768 | SWITCH - A switch has a first leaf spring having a first contact, the first contact being formed in a V shape and including two inclined surfaces, a second leaf spring having a second contact facing the first contact, the second contact being formed in a convex shape and including vertexes facing the inclined surfaces, respectively; and a pressing unit that presses the first leaf spring or the second leaf spring. When the pressing unit presses the first leaf spring or the second leaf spring, the inclined surface on a first side of the first contact and the vertex on a first side of the second contact come in contact with each other, and the vertex on the first side of the second contact slides on the inclined surface on the first side of the first contact. | 01-10-2013 |