Ajima, JP
Daisuke Ajima, Hakusan-Shi JP
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20100301969 | ACOUSTIC WAVE DEVICE - A longitudinally-coupled resonator-type acoustic wave device includes first to third IDT electrodes disposed on a piezoelectric material and first and second reflectors disposed in acoustic wave propagation directions. Each of any two IDT electrodes adjacent to each other in the acoustic wave propagation directions, of the first to third IDT electrodes, has a narrower-pitch electrode finger portion at an edge thereof adjacent to the other IDT electrode. Most portions of the first to third IDT electrodes are apodized, and the narrower-pitch electrode finger portions and the electrode finger portions adjacent thereto are normally shaped. | 12-02-2010 |
Hatsuho Ajima, Kanagawa JP
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20110310440 | IMAGE PROCESSING DEVICE, IMAGE FORMING DEVICE, AND COMPUTER-READABLE MEDIUM - An image processing device includes a screen processing unit and a correction processing unit. The screen processing unit executes screen processing for an image to be processed. The correction processing unit performs correction processing of correcting a distortion of an output image from an original image, based on the amount of the distortion, for (i) the image before the screen processing and (ii) the image after the screen processing. The correction amount relating to the correction processing for the image after the screen processing is a small value as compared with the correction amount relating to the correction processing for the image before the screen processing. | 12-22-2011 |
20120008171 | IMAGE PROCESSING APPARATUS, IMAGE FORMING APPARATUS, AND COMPUTER READABLE MEDIUM - The image processing apparatus includes a combining module that respectively combine a plurality of first patterns and a plurality of second patterns each corresponding to the first patterns. Respective densities of the first patterns are different from each other. At least one of the second patterns include a plurality of regions where respective coverages are different in a main scanning direction. | 01-12-2012 |
20120086985 | IMAGE PROCESSING DEVICE, IMAGE FORMING APPARATUS, AND NON-TRANSITORY COMPUTER READABLE RECORDING MEDIUM - An image processing device includes a processor. The processor executes a screen process by using different screens for respective color components which are newly used in response to N colors ranging from a primary color in an output color space to a Nth color, in the output color space, obtained by mixing the primary color with other primary colors in order, where N denotes natural number equal to or larger than 2. | 04-12-2012 |
Hirohisa Ajima, Ibaraki JP
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20090301872 | Sb-Te Base Alloy Sinter Sputtering Target - Provided is an Sb—Te base alloy sinter sputtering target having Sb and Te as its primary component and comprising a structure in which Sb—Te base alloy particles are surrounded by fine carbon or boron particles; wherein, if the mean diameter of the Sb—Te base alloy particles is X and the particle size of carbon or boron is Y, Y/X is within the range of 1/10 to 1/10000. The present invention seeks to improve the Sb—Te base alloy sputtering target structure, inhibit the generation of cracks in the sintered target, and prevent the generation of arcing during the sputtering process. | 12-10-2009 |
20110036710 | Ge-Cr Alloy Sputtering Target - A Ge—Cr alloy sputtering target containing 5 to 50 at % of Cr and having a relative density of 95% or more, and a manufacturing method of such a Ge—Cr alloy sputtering target wherein Cr powder having a minus sieve of 75 μm or less, and Ge powder having a minus sieve of 250 μm or less and having a BET specific surface area of 0.4 m | 02-17-2011 |
Hiromi Ajima, Kanagawa JP
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20150023453 | WIRELESS COMMUNICATION DEVICE AND WIRELESS COMMUNICATION METHOD - A wireless communication device includes: | 01-22-2015 |
Hiromi Ajima, Tokyo JP
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20080262316 | Light Source Apparatus and Endoscope Provided with Light Source Apparatus - A light source apparatus of the present invention comprises a semiconductor light emitting device which emits light, a wavelength converting member which receives the light emitted by the semiconductor light emitting device and emits light of a wavelength longer than that of the original light, and a wavelength selecting member which is disposed between the semiconductor light emitting device and the wavelength converting member and reflects and transmits the incident light with different reflectivity and different transmittance depending on the wavelength of the incident light. | 10-23-2008 |
Hiromi Ajima, Kawasaki-Shi JP
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20150363100 | MOBILE ELECTRONIC DEVICE, CONTROL METHOD, AND STORAGE MEDIUM - In one aspect, when detecting an event such as receiving emails, missed calls, a schedule notification, or the like, a mobile electronic device executes a process for expanding a first operation part associated with the event on a display module and displaying a second operation part indicating a detail of the event within the expanded first operation part. For example, upon detecting an operation applied onto the first operation part via the touch screen, the mobile electronic device executes a process associated with the first operation part, and upon detecting an operation applied onto the second operation part, the mobile electronic device executes a process associated with the second operation part. | 12-17-2015 |
Hiromi Ajima, Yokohama-Shi Kanagawa JP
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20140097893 | TRANSMITTER AND SIGNAL PROCESSING METHOD - The switching frequency in an envelope amplifier is set below that of a transmission RF signal. A transmitter according to the present invention includes a transmission amplifier ( | 04-10-2014 |
Hisanobu Ajima, Yokohama-Shi JP
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20090110417 | IMAGE FORMING APPARATUS - An image forming apparatus mounted with a toner cartridge having a memory unit includes a toner cartridge which stores a plurality of control data depending on toner in the memory unit, an acquisition unit which selects one of the plurality of control data in the memory unit and acquires image formation-related information and a setting unit which sets image formation parameters on the basis of the image formation-related information. | 04-30-2009 |
20120076520 | TONER CARTRIDGE STORING CONTROL DATA FOR AN IMAGE FORMING APPARATUS - An image forming apparatus mounted with a toner cartridge having a memory unit includes a toner cartridge which stores a plurality of control data depending on toner in the memory unit, an acquisition unit which selects one of the plurality of control data in the memory unit and acquires image formation-related information and a setting unit which sets image formation parameters on the basis of the image formation-related information. | 03-29-2012 |
20140003826 | TONER CARTRIDGE WITH MEMORY FOR IMAGE FORMING APPARATUS | 01-02-2014 |
Hisanobu Ajima, Yokohama JP
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20130077981 | IMAGE FORMING APPARATUS - An image forming apparatus mounted with a toner cartridge having a memory unit includes a toner cartridge which stores a plurality of control data depending on toner in the memory unit, an acquisition unit which selects one of the plurality of control data in the memory unit and acquires image formation-related information and a setting unit which sets image formation parameters on the basis of the image formation-related information. | 03-28-2013 |
20140314428 | TONER CARTRIDGE WITH MEMORY FOR IMAGE FORMING APPARATUS - An image forming apparatus mounted with a toner cartridge having a memory unit includes a toner cartridge which stores a plurality of control data depending on toner in the memory unit, an acquisition unit which selects one of the plurality of control data in the memory unit and acquires image formation-related information and a setting unit which sets image formation parameters on the basis of the image formation-related information. | 10-23-2014 |
Hisanobu Ajima, Yokohama Kanagawa JP
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20150309441 | TONER CARTRIDGE WITH MEMORY FOR IMAGE FORMING APPARATUS - An image forming apparatus mounted with a toner cartridge having a memory unit includes a toner cartridge which stores a plurality of control data depending on toner in the memory unit, an acquisition unit which selects one of the plurality of control data in the memory unit and acquires image formation-related information and a setting unit which sets image formation parameters on the basis of the image formation-related information. | 10-29-2015 |
Hisanobu Ajima, Kanagawa-Ken JP
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20100254720 | IMAGE FORMING APPARATUS AND CONTROL PARAMETER CORRECTING METHOD - There is provided an image forming apparatus in which a correction value is acquired from a storage device provided in a coloring agent cartridge mounted in the image forming apparatus, it is determined whether the acquired correction value is within a specified numerical range, and when it is determined that the acquired correction value is not within the specified numerical range, a control parameter of a specified process relevant to an image forming operation is corrected based on a specified correction value previously set to correct the control parameter of the specified process performed by the image forming apparatus. | 10-07-2010 |
20100322644 | IMAGE FORMING APPARATUS AND METHOD OF DETERMINING AMOUNT OF TONER REMAINING IN TONER CARTRIDGE - An image forming apparatus includes a remaining amount information acquiring unit, a toner sensing unit, and a determination unit. The remaining amount information acquiring unit acquires remaining amount information on an amount of toner remaining in a cartridge, which is stored in a memory device disposed in the cartridge mounted on an image forming apparatus body. The toner sensing unit senses information on an amount of toner in a developing device performing a developing process using the toner supplied from the cartridge. The determination unit determines that the toner in the cartridge is empty when the remaining amount information acquired by the remaining amount information acquiring unit indicates that the remaining amount is smaller than a predetermined amount of toner and the information on the amount of toner sensed by the toner sensing unit indicates that the amount of toner in the developing device is smaller than a predetermined amount. | 12-23-2010 |
20110183250 | DEVELOPING AGENT - According to one embodiment, a developing agent includes toner particles containing a coloring agent, a binder resin, and a moisturizing agent, and an additive which is added to the surfaces of the toner particles is provided. The moisturizing agent is added in an amount of from 5 to 20% by weight based on the weight of the toner particles. Further, the developing agent satisfies the following formula (1) C=A×B≧10. In the formula (1), A represents the volume average particle diameter of the toner particles (μm), B represents the addition amount of the additive (% by weight), and C represents a coverage factor. | 07-28-2011 |
20130223855 | IMAGE FORMING APPARATUS AND TONER CARTRIDGE - An image forming apparatus comprises: a storage medium | 08-29-2013 |
Hisanobu Ajima, Kanagawa JP
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20090245876 | ELECTROPHOTOGRAPHIC TONER AND IMAGE FORMING APPARATUS - According to an embodiment of the invention, an electrophotographic toner contains 100 parts by weight of a toner resin, from 0.01 to 10 parts by weight of a cyclodextrin compound, first silica having an average particle diameter of from 20 to 40 nm, and second silica having an average particle diameter of from 8 to 14 nm. | 10-01-2009 |
20110262154 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - An image forming apparatus includes an image forming unit including a developing device, a toner cartridge to supply toner to the developing device, a toner remaining amount sensor to detect a toner remaining amount in the developing device, a toner use amount detection mechanism to detect a parameter value for obtaining a use amount of toner, a first memory which is provided in the toner cartridge and to which a threshold of the parameter indicating a near empty state is previously inputted, and a control mechanism which determines necessity of a forcible toner supply operation based on a comparison between the detected parameter value and the threshold, and the toner remaining amount detected by the toner remaining amount sensor, and controls the image forming unit. | 10-27-2011 |
20110311238 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - An image forming apparatus includes an image forming unit configured to form an image under a control condition and including developing device; a toner cartridge configured to supply toner to the developing device; a measuring device configured to acquire measurement data; a first memory which is provided for the toner cartridge and includes a data reference destination for obtaining the control condition and a correction value of the control condition for standard data or a plurality of control data corresponding to the measurement data; a second memory configured to store the measurement data, the standard data, one of the correction value and the control data, and the obtained control condition; and a processing mechanism configured to read the standard data and the correction value, or the measurement data and the control data and to obtain the control condition. | 12-22-2011 |
20110318022 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - An image forming apparatus includes an image forming unit including a developing device, a toner cartridge to store toner supplied to the developing device, a first memory which is provided in the toner cartridge and in which characteristic data of the toner is written, a detection mechanism to detect a parameter to influence toner cohesion, a second memory to store the detected parameter, and an arithmetic control mechanism to determine a use limit of the toner cartridge based on the characteristic data and the parameter. | 12-29-2011 |
Kenji Ajima, Hitachiota JP
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20150221418 | NOISE SUPPRESSION CABLE - A noise suppression cable includes a plurality of twisted pair wires, an inclusion that includes an insulating material and a magnetic powder and separates the plurality of twisted pair wires, and a sheath that includes an insulating material and covers a periphery of the plurality of twisted pair wires and the inclusion. | 08-06-2015 |
20150228377 | Shielded Cable - A shielded cable includes an insulated wire including a conductor wire and an insulation formed around the conductor wire, and a shield layer formed around the insulated wire and including a shield wire. The shield wire includes a tubular member including a conductive material and defining a gap therein, and a magnetic powder is filled in the gap. | 08-13-2015 |
20150235738 | Noise Suppression Cable, Core Assembly, And Electrical Device - A noise suppression cable includes an electrical wire, a first magnetic material including a pair of first surfaces formed along an axis direction of the electrical wire and a convex portion projecting from the first surfaces, and a second magnetic material including a pair of second surfaces disposed on a periphery of the electrical wire, the pair of the second surfaces contacting the pair of the first surfaces such that a tubular shape is formed by the first and second magnetic materials. The first magnetic material and the second magnetic material are configured to generate a compression stress in the convex portion of the first magnetic material by receiving an external force so as to reduce a relative permeability of the convex portion. | 08-20-2015 |
20150235741 | Noise Suppression Cable - A noise suppression cable includes a conductor wire, and a magnetic insulation layer that is formed around the conductor wire and includes an insulating material and a flat-shaped magnetic powder. A flatness direction of the magnetic powder is oriented in a circumferential direction of the magnetic insulation layer. | 08-20-2015 |
20150357087 | NOISE SUPPRESSION CABLE - A noise suppression cable includes a conductor wire, and a magnetic insulation layer on a periphery of the conductor wire. The magnetic insulation layer includes an insulating material and two or more types of magnetic powders that have different frequency characteristics from each other. | 12-10-2015 |
Kou Ajima, Hitachiota JP
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20130221781 | Rotating Electrical Machine - Provided is a rotating electrical machine including: a cylinder-shaped housing that includes a plurality of flanges installed to a casing; a stator that includes a cylinder-shaped stator core fixed to the housing through shrinkage fit or press fit; and a rotor that is arranged inside the stator so as to be rotatable, in which, in the stator core, a plurality of steel sheets is stacked, and welding portions used for suppressing deformation of the steel sheets are arranged at positions in the stator core that correspond to the flanges of the housing. | 08-29-2013 |
Masahiko Ajima, Hitachinaka JP
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20120127299 | SCANNING ELECTRON MICROSCOPE - A scanning electron microscope includes a main scanning electron microscope unit having an electron optical column and a sample chamber, a controller over the main scanning electron microscope unit, a single housing that houses both the main scanning electron microscope unit and the controller, and a bottom plate disposed under the single housing, the main scanning electron microscope unit and the controller. A first leg member is attached to a bottom face of the bottom plate on a side of the controller with a first opening hole provided through the bottom plate on a side of the main scanning electron microscope unit, and a damper is fixed to a bottom face of the main scanning electron microscope unit and disposed through the first opening hole. | 05-24-2012 |
Masahiko Ajima, Minato-Ku JP
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20150235803 | Charged Particle Beam Device and Sample Observation Method - All of the conventional charged particle beam devices are designed only for the observation at atmospheric pressure or in gas atmosphere at a pressure substantially equal to the atmospheric pressure, and there is no device enabling easy observation using a typical high-vacuum charged particle microscope at atmospheric pressure or in gas atmosphere at a pressure substantially equal to the atmospheric pressure. Such a conventional technique has another problem that the distance between the diaphragm and a sample cannot be controlled, and so it has a high risk of breakage of the diaphragm. Then, the device of the present invention includes a diaphragm configured to separate a space to place a sample therein so that pressure of the space to place the sample therein is kept larger than pressure of the interior of the enclosure, the diaphragm letting the primary charged particle beam transmit or pass therethrough and being removable; a contact prevention member configured to prevent a contact between the sample and the diaphragm; and an adjustment mechanism configured to let at least a part of the contact prevention member in an optical axis direction of the charged particle optic column. | 08-20-2015 |
Masahiko Ajima, Tokyo JP
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20150129763 | Charged Particle Beam Device - A charged particle beam device ( | 05-14-2015 |
20150213999 | Charged Particle Beam Apparatus - The ordinary charged particle beam apparatus works on the assumption that signals are detected while its diaphragm and the sample are being positioned close to each other. This structure is not suitable for observing a sample with a prominently uneven surface in a gas atmosphere at atmospheric pressure or at a pressure substantially equal thereto. The present invention provides a charged particle beam apparatus that separates its charged particle optical tube from the space in which the sample is placed. The apparatus includes a detachable diaphragm that lets a primary charged particle beam permeate or pass therethrough. Installed in the space where the sample is placed is a detector that detects secondary particles discharged from the sample irradiated with the primary charged particle beam. | 07-30-2015 |
20150228449 | Charged Particle Beam Device, Position Adjusting Method for Diaphragm, and Diaphragm Position Adjusting Jig - In a charged particle beam device that performs observation of a sample under a gas environment in atmospheric pressure or pressure substantially equal to the atmospheric pressure, a diaphragm that separates an atmospheric pressure space, in which the sample is placed, and a vacuum space in an interior of an electron optical lens barrel is made very thin in order to allow an electron beam to transmit therethrough and damaged with a high possibility. Although at the time of replacing the diaphragm, it is necessary to adjust a position of a diaphragm, it is impossible to easily perform the adjustment of the position of the diaphragm by a conventional method. In a charged particle beam device with a configuration in which a thin film that separates a vacuum environment and an atmospheric environment or a gas environment is employed, a detachable diaphragm that partitions a space, in which a sample is placed, in such a manner that pressure in the space in which the sample is placed is maintained at a level larger than pressure in an interior of a housing, and that allows transmission or passage of a primary charged particle beam therethrough, and a movable member that can move the diaphragm in a state where the pressure in the space, in which the sample is placed, and the pressure in the interior of the housing are maintained as they are, are provided. | 08-13-2015 |
Naruo Ajima, Kanagawa JP
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20150200416 | ELECTRODE ROLL AND MANUFACTURING METHOD FOR ELECTRODE ROLL - To provide an electrode roll capable of preventing lowering of production efficiency due to active material particles that have fallen. An electrode roll ( | 07-16-2015 |
Takehiko Ajima, Tokyo JP
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20130233529 | TOTAL HEAT EXCHANGING ELEMENT PAPER - The object of the present invention is to provide an excellent total heat exchanging element paper and a total heat exchanging element which are excellent in heat transferability, water vapor permeability and gas barrier properties and cause no mixing of supplied air and discharged air. The present invention provides a total heat exchanging element paper using a paper made using mainly a natural pulp beaten to a Canadian modification freeness of not more than 150 ml, a substantially non-porous total heat exchanging element paper comprising a substantially non-porous cellulosic base which contains a moisture absorbing agent, a non-porous total heat exchanging element paper having a high gas barrier property which has a thickness of not more than 100 μm and a carbon dioxide permeation constant specified in JIS K7126 of not more than 5.0×10 | 09-12-2013 |
Toshiyuki Ajima, Tokyo JP
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20140035493 | MOTOR DRIVE DEVICE - A motor drive device inputs two detection signals from a rotation position sensor thereby to detect a rotation position, and controls a voltage to be applied to a motor according to the detected rotation position. The motor drive device has a control unit for outputting a first voltage in a first state in which the square sum of sampling values sampled from the two detection signals is a predetermined value, and outputting a second voltage in a second state in which the square sum is not the predetermined value. | 02-06-2014 |
20140167662 | Inverter Device - An inverter device that controls a motor using a signal from a position sensor for detecting a rotor rotational position of the motor includes an initial adjustment unit that outputs a phase of current for designating a motor rotational position by rotating the motor in a clockwise direction of the motor and a phase of current for designating the motor rotational position by rotating the motor in a counter-clockwise direction of the motor. | 06-19-2014 |
20140239861 | Inverter Apparatus - An objective of the present invention is to improve current detection accuracy and to reduce noise of carrier frequency. A motor apparatus and a motor drive apparatus calculate motor currents Iu, Iv, and Iw using a DC bus current detected value Idc of an inverter and control a magnitude and a phase of an applied voltage of a motor to drive the motor. A carrier adjuster decreases a carrier frequency Fc of the inverter if a motor output is relatively larger and that increases the carrier frequency Fc of the inverter if the motor output is relatively smaller. A pulse shift adjuster shifts an interphase waveform of a PWM pulse according to the carrier frequency Fc. | 08-28-2014 |
20140292238 | Power Conversion Device - A power conversion device includes a switching circuit with multiple series circuits having upper arm switching elements connected in series with lower arm switching elements, receives DC power to generate AC power for a permanent magnet motor; a control circuit that calculates a state of the switching elements based on input information for each control cycle, and generates a control signal for controlling switching elements according; and a driver circuit that generates a drive signal that renders the switching elements conductive or non-conductive on the basis of the control signal from the control circuit. The control circuit predicts a locus of a d-axial magnetic flux and a locus of a q-axial magnetic flux, and calculates the state of the switching elements so that the d-axial magnetic flux falls within a given d-axial magnetic flux fluctuation range, and the q-axial magnetic flux falls within a given q-axial magnetic flux fluctuation range. | 10-02-2014 |
20150303844 | INVERTER DEVICE - An inverter device includes a source current calculator and an inverter circuit, wherein: the source current calculator calculates an average value of the DC bus current Ical during a PWM cycle through arithmetic operation executed based upon instantaneous values of the DC bus current Idc of the inverter circuit; and the source current calculator provides an estimated value by designating the average current value Ical during the PWM cycle as an input source current Isrc during the PWM cycle. | 10-22-2015 |
20150311835 | MOTOR DRIVING SYSTEM - The disclosed invention provides a synchronous motor driving system that reduces vibration attributed to a temporal second-order component of radial electromagnetic force in a three-phase synchronous motor and controls a d-axis current and a q-axis current to reduce noise that is produced as a result of vibration resonating with a structure. A motor driving system of the present invention causes a predefined negative d-axis current to flow into a motor in which a q-axis current is less than or equal to a predefined current value and d-axis inductance and q-axis inductance match substantially. The motor driving system causes a predefined negative d-axis current to flow into a motor in which d-axis inductance and q-axis inductance differ and causes the negative d-axis current to increase with an increase in the q-axis current. | 10-29-2015 |
Toshiyuki Ajima, Tokai JP
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20100028165 | OIL-FLOODED SCREW COMPRESSOR, MOTOR DRIVE SYSTEM, AND MOTOR CONTROL DEVICE - When an oil-flooded screw compressor is started up in a cold environment after a long halt, start-up torque increases due to the increased viscosity of the oil that has long stayed inside the working chambers of the compressor. This has necessitated drive means with a larger capacity than that required for normal operation. | 02-04-2010 |
20100045219 | Position Detecting Device and Synchronous Motor Driving Device Using the Same - A position detecting device which can increase accuracy in detecting the pole position of a motor used to perform quick acceleration and deceleration over the range from a zero speed to a high rotation speed, and a synchronous motor driving device using the position detecting device. A position detector detects basic-wave component signals in sensor signals and executes position calculation. A correcting unit calculates signal information representing at least one of a gain, an offset and a phase by a phase detector from the basic-wave component signals detected by an error calculator, and makes correction based on the calculated signal information such that a position detection error is zero. | 02-25-2010 |
20100253137 | Vehicle Brake System - A brake system which can secure quietness in a passenger compartment is provided. A vehicle brake system | 10-07-2010 |
20110316329 | Brake Control Device - According to the present invention, limited electric power is consumed so as to achieve long-lasting use of electric power during brake control with the use of an auxiliary power supply source when there is a malfunction of a vehicle power supply source. In addition, a brake control device for ensuring responsivenss at the beginning of braking or when emergency braking is necessary is provided. The brake control device of the present invention is a brake control device for detecting electric signals generated depending on the degree of brake-pedal operation and calculating the driver's demanded braking force based on the electric signals so as to generate the demanded braking force, which comprises an auxiliary power supply source for supplying electric power to the brake control device when there is a malfunction of a vehicle power supply source and controls braking deppending on the charged capacity of the auxiliary power supply source. | 12-29-2011 |
20130264984 | Power Converting Apparatus - Provided is a power converting apparatus which suppresses noise caused by a square wave voltage that is sharply changed according to switching of the power converting apparatus. | 10-10-2013 |
20130294932 | OIL-FLOODED SCREW COMPRESSOR, MOTOR DRIVE SYSTEM, AND MOTOR CONTROL - An oil-flooded screw compressor drives a pair of rotors at a rotational speed which is low enough not to increase torque for a short amount of time after start-up and accelerates the pair of rotors up to a normal-operation rotational speed after oil discharge. Alternatively, the oil-flooded screw compressor rotates the pair of rotors for a short amount of time after the remaining compressed gas is discharged after a halt, thereby allowing the oil accumulated inside the working chambers to be discharged and ensuring smooth start-up after the halt. | 11-07-2013 |
Toshiyuki Ajima, Tokai-Mura JP
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20130314013 | Motor Driving Control Apparatus - In related art technique, an average neutral point voltage is detected via a low-pass filter. Time constant of the low-pass filter must be set to cover the entire output frequency band of an inverter and voltage fluctuation due to modulated signal must be separated from that due to a short circuit to ground. According to the present invention, whether abnormality such as a short circuit to ground or to supply occurs in output lines can be determined based on an actual neutral point voltage of a motor, which changes in a stepwise fashion in conformity to a PWM pulse pattern output by an inverter device, and a normal neutral point voltage which depends on a PWM pattern output by the inverter device. Highly reliable abnormality detection in accordance with the waveform of the neutral point voltage and stable abnormality detection not depending on the inverter output frequency are feasible. | 11-28-2013 |
Toshiyuki Ajima, Naka-Gun JP
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20130192222 | ELECTRIC BOOSTER - An electric booster includes a housing having one end including a coupling surface where the housing is coupled to a master cylinder, and the other end including an attachment surface where the housing is attached to a vehicle. A controller includes a flat plate-like control board, and the control board is disposed so as to be positioned between a first plane including the attachment surface of the housing where the housing is attached to the vehicle, and a second plane including the coupling surface of the housing where the housing is coupled to the master cylinder. | 08-01-2013 |
Yuichiro Ajima, Kawasaki JP
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20090327826 | SYSTEM FOR TRANSMITTING AND RECEIVING PACKETS - A system has a transmitter for transmitting a sequence of packets, the transmitter has a first counter for storing a first sequence number, a first generating unit for generating an error check code for checking an error in each of the packets on the basis of the header and the data in each of the packets and the first sequence number, and a transmitting unit for transmitting each of the packet together with each of the error check code and a receiver has a second counter for storing a second sequence number, a second generating unit for generating an error check code for checking an error in each of the packets on the basis of the header and the data in each of the packets received from the transmitter and the second sequence number and an error check unit for checking an error in the sequence of the packet. | 12-31-2009 |
20100124241 | BARRIER SYNCHRONIZATION APPARATUS, BARRIER SYNCHRONIZATION SYSTEM, AND BARRIER SYNCHRONIZATION METHOD - A barrier synchronization apparatus includes a receiving device which transmits a first synchronization signal to a synchronization device when the first synchronization signal in which a transmission destination is set in advance according to setting conditions including an algorithm of the barrier synchronization and an execution condition is received. A synchronization device synchronizes n first synchronization signals which are set in advance according to the setting conditions, wherein n is a positive integer, and designates transmission of m second synchronization signals in which transmission destinations are set in advance according to the setting conditions after the synchronization is established, wherein m is a positive integer. A transmitting device transmits the second synchronization signals to m transmission destinations set in advance, when a transmission designation information indicating the transmission designation is received from the synchronization device. | 05-20-2010 |
20100198998 | I/O CONTROLLER AND DESCRIPTOR TRANSFER METHOD - An I/O controller and method are provided. The I/O controller to which an I/O device can be connected, and instructs the I/O device to execute a process includes a descriptor transfer device that transfers a descriptor indicating contents of a process to be executed, and execution instruction unit that instructs the I/O device to execute the process, based on the descriptor transferred from the descriptor transfer device, wherein the descriptor transfer device includes a memory for storing the descriptor; descriptor reading unit that reads, according to an indication regarding a descriptor read source from a processor, an indicated descriptor from a main memory or said memory which stores the descriptor, and descriptor transfer unit that transfers the read descriptor to the execution instruction unit. | 08-05-2010 |
20100238944 | SYSTEM HAVING A PLURALITY OF NODES CONNECTED IN MULTI-DIMENSIONAL MATRIX, METHOD OF CONTROLLING SYSTEM AND APPARATUS - A system has a plurality of nodes connected in a multi-dimensional matrix and having node addresses, respectively, each of the nodes having a processor, and a router for transmitting a request packet to a node adjacent to its own node located in n+1th dimension when the address of nth dimension of its own node is matched to the address of nth dimension of the target node, transmitting a response packet to a node adjacent to its own node located in nth dimension when the address of n+1th dimension of its own node is matched to the address of n+1th dimension of the response packet, wherein the router terminates a request packet when the address of the request packet is fully matched to the node address of its own node in all the dimensions, transfers the data conveyed by the request packet to the processor of its own node for processing. | 09-23-2010 |
20100293551 | Job scheduling apparatus and job scheduling method - When allocating an unallocated queued job, by using a CDA having a mesh structure to which active jobs are allocated, a job scheduling apparatus scans an event list that includes information about allocation events and release events for jobs, determines the coordinates and the time at which submeshes corresponding to the queued jobs are reserved, and arranges the submeshes by overlapping them on the CDA. | 11-18-2010 |
20100306387 | NETWORK INTERFACE DEVICE - A network interface device is provided. The network interface device is connected to a computer and performs communications via a network includes a first management unit that identifies a communication connection by a port number, and manages a communication connection state of each port by a context that is stored in a storage unit and is associated with a port number, a second management unit that manages a storage state of the context, and a control unit that refers to the context, and performs an exemplary operation to establish a communication connection and an exemplary operation to cut off a communication connection between ports. | 12-02-2010 |
20110055428 | NETWORK FOR INTERCONNECTING COMPUTERS - In a parallel computer system including a plurality of processors, processors are classified into a plurality of groups including a prescribed number of processors, and processors are connected to each other in a complete connecting manner in the groups. Those groups are connected to each other as the respective processors are connected in linear to each other. | 03-03-2011 |
20110185032 | COMMUNICATION APPARATUS, INFORMATION PROCESSING APPARATUS, AND METHOD FOR CONTROLLING COMMUNICATION APPARATUS - A communication apparatus including: a receiving portion that receives alignment specifying information, the alignment specifying information indicating which of main memories included in a first information processing apparatus and a second information processing apparatus to align the requested data; a division location calculating portion that calculates a divisional location of the requested data so that the divisional location of the requested data becomes an alignment boundary on the main memory included in any one of the first and the second information processing apparatuses specified by the received alignment specifying information, the alignment boundary being integral multiples of a given data width; and a transmitting portion that divides the requested data stored into the main memory in the second information processing apparatus based on the calculated divisional location, and transmits the divided data to the first information processing apparatus. | 07-28-2011 |
20110213946 | PARALLEL COMPUTING SYSTEM AND COMMUNICATION CONTROL PROGRAM - A parallel computing system includes a plurality of processors multi-dimensionally commented by an interconnection network, wherein each of the processors in the parallel computing system determines, in dimensional order, communication channels to other processors in the interconnection network, each of the processors sets, as relative coordinates of destination processors with respect to the plurality of processors in data communications performed at a same timing, relative coordinates common to all of the processors, and each of the processors performs data communications with destination processors having the set relative coordinates. | 09-01-2011 |
20120060019 | REDUCTION OPERATION DEVICE, A PROCESSOR, AND A COMPUTER SYSTEM - A reduction operation device detects a non-correspondence of an operation type or a data type in a reduction arithmetic operation of a parallel processing. The reduction operation device is inputted a plurality of the synchronization signals and data, sets each transmission destinations of the plurality of inputted synchronization signals and the plurality of data corresponding to a next stage of a reduction operation and executes the reduction operation. The synchronization unit in the reduction operation device detects the non-correspondence between the operation type or the data type included in an instruction of the reduction operation after the synchronization is established and controls the arithmetic operation of the arithmetic unit. | 03-08-2012 |
20120159019 | PARALLEL COMPUTING SYSTEM, SYNCHRONIZATION DEVICE, AND CONTROL METHOD OF PARALLEL COMPUTING SYSTEM - A synchronization device includes a receiver that receives data from at least two synchronization devices establishing synchronization, and extracts synchronization information and register selection information from the received data, a transmitter that transmits data to each of the at least two synchronization devices establishing synchronization among a plurality of synchronization devices, a first and a second receiving state register that each stores the extracted synchronization information, a second receiving state register that stores the extracted synchronization information, and a controller that stores the extracted synchronization information into the first receiving state register and the second receiving state register alternately based on the register selection information, and controls the transmitter to transmit data including the register selection information to each of the at least two synchronization devices when the extracted synchronization information is completed in one of the first and the second receiving state register. | 06-21-2012 |
20120159121 | PARALLEL COMPUTER SYSTEM, SYNCHRONIZATION APPARATUS, AND CONTROL METHOD FOR THE PARALLEL COMPUTER SYSTEM - A synchronization apparatus includes a receiver that receives data from a synchronization apparatus of another node that performs synchronization with its own node from among the plurality of synchronization apparatuses and extracts synchronization information from the received data, a transmitter that transmits the data to the synchronization apparatus of the other node, a receiving state register that stores the extracted synchronization information, a delay unit that delays the received data by a specified period of time, and a controller that stores the extracted synchronization information and synchronization information from its own controller in the reception state register and causes the transmitter to transmit the data to the other node and returns the data to its own node back to its own controller via the delay unit when the extracted synchronization information and the synchronization information from its own controller are stored in the reception state register. | 06-21-2012 |
20120250514 | INFORMATION PROCESSING APPARATUS, PARALLEL COMPUTER SYSTEM, AND CONTROL METHOD OF PARALLEL COMPUTER SYSTEM - An information processing apparatus connected to another information apparatus in a parallel computer system via a plurality of routes, includes: an arithmetic processing device to issue an instruction for collection of congestion information and for communication; a route information holding unit to hold route information for performing communication; a transmission unit to transmit a congestion information collection packet to any of the plurality of routes; a reception unit to receive a congestion information collection response packet corresponding to the congestion information collection packet from any of the plurality of routes; and a control unit to cause the transmission unit to transmit a congestion information collection packet, to select route information from the route information holding unit based on congestion information included in the congestion information collection response packet, and to cause the transmission unit to perform communication instructed by the arithmetic processing device based on the selected route information. | 10-04-2012 |
20140019512 | PARALLEL COMPUTING SYSTEM AND CONTROL METHOD OF PARALLEL COMPUTING SYSTEM - A parallel computing system includes: each computing node including: a first channel receiving data which a preceding node transfers, and transferring received data to a subsequent node; a second channel receiving data which a preceding node transfers, and transferring received data to a subsequent node; and a computational processor receiving data which the first or second channel has received, and transferring processed data to a subsequent node; an input-output node including: a third channel receiving data which the first channel or the computational processor of a preceding node transfers; a fourth channel receiving data which the first channel or the computational processor of a preceding computing node transfers, and transferring the received data to the second channel of a subsequent computing node; and an input-output processor receiving data which the third channel has received, and transferring inputted and outputted data to the first channel of a subsequent computing node. | 01-16-2014 |
20140023090 | PARALLEL COMPUTING DEVICE, COMMUNICATION CONTROL DEVICE, AND COMMUNICATION CONTROL METHOD - A parallel computing device includes a plurality of communicatively interconnected nodes for executing an arithmetic process. Each of the plurality of nodes includes: a measurement unit configured to measure a communication bandwidth up to a destination node based on a communication scheme among the nodes, and a control unit configured to control a size of a packet transmitted to the destination node according to the communication bandwidth measured by the measurement unit. | 01-23-2014 |
20140040558 | INFORMATION PROCESSING APPARATUS, PARALLEL COMPUTER SYSTEM, AND CONTROL METHOD FOR ARITHMETIC PROCESSING UNIT - An information processing apparatus included in a parallel computer system has a memory that holds data and a processor including a cache memory that holds a part of the data held on the memory and a processor core that performs arithmetic operations using the data held on the memory or the cache memory. Moreover, the information processing apparatus has a communication device that determines whether data received from a different information processing apparatus is data that the processor core waits for. When the communication device determines that the received data is data that the processor core waits for, the communication device stores the received data on the cache memory. When the communication device determines that the received data is data that the processor core does not wait for, the communication device stores the received data on the memory. | 02-06-2014 |
20140047157 | PARALLEL COMPUTER SYSTEM, CROSSBAR SWITCH, AND METHOD OF CONTROLLING PARALLEL COMPUTER SYSTEM - A parallel computer system includes a plurality of processors including a first processor and a plurality of second processors; and a crossbar switch provided with a plurality of ports; wherein the first processor transmits data to a first port among the plurality of ports, and transmits standby time information to the first port in the case where the plurality of second processors are unable to transmit data to the first port despite receiving a communication authorization notification from the first port, and the first port receives the standby time information, and after the standby time elapses, selects one of the plurality of second processors. | 02-13-2014 |
20140052885 | PARALLEL COMPUTER SYSTEM, DATA TRANSFER DEVICE, AND METHOD FOR CONTROLLING PARALLEL COMPUTER SYSTEM - A switch includes a plurality of ports and a combination determining unit that determines a central processing unit (CPU) to be paired with one of the ports. The port includes: an arbitration circuit that selects the CPU to be paired therewith when receiving an arbitration request from the CPU to be paired in a predetermined state, and selects one of the CPUs from which the arbitration request has been received in other cases to return transmission permission; and a data transfer unit that transfers the received data from the selected CPU to another CPU. The CPU includes: a request transmission unit that transmits the arbitration request to the ports; and a data transmission unit that transmits data to the paired port when the arbitration request is transmitted to the paired port in the predetermined state, and transmits data to the ports that have returned transmission permission in other cases. | 02-20-2014 |
20140198658 | DATA COMMUNICATION APPARATUS, DATA TRANSMISSION METHOD, AND COMPUTER SYSTEM - Provided is a data communication apparatus which includes a transmission interval calculator configured to calculate an effective transfer speed of the data based on a difference between an actual arrival time at which response data to transmission data transmitted to the other data communication apparatus has arrived and a predictive arrival time calculated by multiplying the number of relay devices passed until the response data from the other data communication apparatus arrives at the data communication apparatus by a transfer delay time necessary to pass through one relay device and a buffer size of the relay device on a communication path of the data, and calculate a transmission interval of transmission data based on the effective transfer speed and a transmission controller configured to perform transmission control of transmission data based on the transmission interval. Thus, congestion control is efficiently implemented in an interconnection network configured as a regular network. | 07-17-2014 |
20140215483 | RESOURCE-USAGE TOTALIZING METHOD, AND RESOURCE-USAGE TOTALIZING DEVICE - A memory allocation/free replacing unit hooks a call of a memory allocating/freeing unit. The memory allocation/free replacing unit generates information required for totalization of a dynamically used memory amount, writes the generated information to a log file, and calls the memory allocating/freeing unit to perform memory allocation and free. A totalization processing unit loads the log file and totalizes a dynamically used memory amount for each dynamic library, for each function, or for each thread. | 07-31-2014 |
20140289300 | PROCESSOR AND PROCESSING METHOD - In a processor that includes a plurality of multipliers and a plurality of adders to execute matrix product processing, each data of input vector data involved in the arithmetic processing is used in two multipliers, whereby arithmetic processing of elements in different rows and different columns in a matrix product operation is executed with a single instruction, that enables the sharing of input data to reduce the number of times data are moved in the whole matrix product processing and reduce power consumption. | 09-25-2014 |
20150178211 | INFORMATION PROCESSING APPARATUS, PARALLEL COMPUTER SYSTEM, AND CONTROL METHOD FOR CONTROLLING INFORMATION PROCESSING APPARATUS - An information processing apparatus includes: storage devices that store data; a data generation unit that generates padding-added data by adding padding to the data, based on adjustment information included in received data; and a storage processing unit that stores the padding-added data generated by the data generation unit in the storage devices. It is possible to shorten a latency even when non-aligned data is received. | 06-25-2015 |
20150195191 | PARALLEL COMPUTER, NODE APPARATUS, AND CONTROL METHOD FOR THE PARALLEL COMPUTER - A parallel computer includes a plurality of nodes. Each of the nodes includes a router directly or indirectly connected to each of the other nodes and a network interface connected to an external network of the parallel computer. The network interface includes a storage unit that holds detour route information indicating a detour route corresponding to a communication route from a node in which the network interface is included to another node. The network interface further includes a reception processing unit that, when the network interface receives data destined to one node of the parallel computer from the external network, sets detour route information corresponding to a communication route from the node in which the network interface is included to the destination node of the data for the data and transmits the data for which the detour route information is set to the destination node. | 07-09-2015 |
20150278043 | INFORMATION PROCESSING APPARATUS, PARALLEL COMPUTER SYSTEM, AND METHOD OF CONTROLLING PARALLEL COMPUTER SYSTEM - An apparatus includes: a physical-layer device that distributes data to first lanes and performs data transfer to/from an external device by second lanes each of which has a number of the first lanes; and a transfer circuit that transfers data output by a central-processing unit performing arithmetic-processing to the physical-layer device and transfers the data received from the physical-layer device and received by the central-processing unit, the transfer circuit that comprises an information-acquisition unit that receives one of detection information of the first lanes which indicates that the physical-layer device has received data from the external device and error information of the first lanes which indicates that the data transferred to the physical-layer device from the external device has an error, from the physical-layer device, and a selection unit configured to specify the second lane to be degenerated based on one of the error information and the detection information. | 10-01-2015 |
Yukinao Ajima, Tokyo JP
Patent application number | Description | Published |
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20120030022 | ELECTRONIC BOOK SYSTEM AND CONTENT SERVER - An electronic book system which enables selecting and distributing music matching contents etc. of an electronic book and playing the selected music upon browsing the electronic book. A typical embodiment of the present invention includes a content server and a terminal having a viewer for browsing electronic books and playing music, the viewer including an electronic book playback portion which plays and displays electronic books and a music playback portion which plays music. The content server includes an electronic book information DB which retains attribution information of electronic books, a music information DB which retains attribution information of music, an electronic book distribution portion which distributes electronic books, a music distribution portion which distributes music, and a music selection portion which selects music having attribution information matching attribution information of an electronic book currently being browsed by a user from the music information DB and specifies the selected music and makes the music distribution portion distribute the selected music. | 02-02-2012 |
20120036429 | ELECTRONIC BOOK SYSTEM AND CONTENT SERVER - An electronic book system, which provides a service for improving usability for users by sharing, acquiring, and analyzing text information and image information contained in an electronic book and various information items added to the electronic book, is provided. A typical aspect of the present invention includes a content server and a terminal including a viewer. The viewer includes comment input means that receives an input of a comment for transmission to the content server and freehand-memo input means that receives an input of a freehand memo for transmission to the content server; and the content server includes a comment processing unit that retains information about the comment in comment storing means, retains information about the freehand memo in freehand-memo storing means, causes the comment and the freehand memo to be displayed when a user browses the electronic book and, when another user browses the electronic book, causes the freehand memo to be displayed on a viewer of the another user. | 02-09-2012 |
20120059719 | ADVERTISEMENT DISTRIBUTION SERVER AND ADVERTISEMENT DISTRIBUTION METHOD - An advertisement distribution server | 03-08-2012 |
20120136892 | BOOK CONTENT DISTRIBUTION SYSTEM AND CONTENT SERVER - A content server retrieves a book content from a database in response to a book content search request, the book content meeting the book content search request transmitted from a user terminal; creates sample image data having a plurality of pages, with regard to the retrieved book content; and distributes search result information including the sample image data to the user terminal. The user terminal displays, when the search result information is received, a search result screen on which an image of a first page of a sample image of the book content is displayed as a thumbnail based on the sample image data of the book content; and, when a user provides a page-turning operation instruction to the sample image of the book content displayed on the search result screen, makes pages of the sample image turned page by page on the search result screen. | 05-31-2012 |
20120143590 | ELECTRONIC BOOK SYSTEM AND CONTENT SERVER - An electronic book system for providing services for improving the user convenience by sharing, acquiring and analyzing text information included in an electronic book is provided. According to a typical embodiment of the present invention, the electronic book system is made up of a content server and a terminal having a viewer connected to the content server to browse the electronic book, wherein the viewer has a comment input unit which receives an input of a comment to be added to a desired position of the electronic book and transmits information including the comment and the position to add the comment to the content server, and the content server has a comment processing unit which retains the information of the comment transmitted from the viewer in a comment storage unit in association with the information of the user and the position to add the comment and acquires the information of the comment added by each user to a position of the browsing electronic book from the comment storage unit to display it in the viewer when the user browses the electronic book by using the viewer. | 06-07-2012 |
Yuzuru Ajima, Takatsuki-Shi JP
Patent application number | Description | Published |
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20140273155 | COMPOSITION AND METHOD FOR PRODUCING SAME - To provide a novel and stable protein composition, and a method for stabilizing the protein composition. A composition that contains protein and water containing ultra-fine air bubbles having a mode particle size of 500 nm or less, and a method for stabilizing a protein composition that involves mixing protein and water containing ultra-fine air bubbles having a mode particle size of 500 nm or less. | 09-18-2014 |