Patent application number | Description | Published |
20110065037 | LATENT ELECTROSTATIC IMAGE DEVELOPING CARRIER, TWO-COMPONENT DEVELOPER AND IMAGE FORMING METHOD - A latent electrostatic image developing carrier including a carrier core material, and a coating layer containing a resin and provided on a surface of the carrier core material, wherein the coating layer includes a particulate material containing at least first fine conductive particles and second fine conductive particles, and wherein the first fine conductive particles and the second fine conductive particles satisfy the relationships expressed by Expressions 1 and 2, 3≦D1/D2≦15 . . . Expression 1, where D1 denotes a dispersed particle diameter of the first fine conductive particles and D2 denotes a dispersed particle diameter of the second fine conductive particles, and −7E≦R1×R2≦8E . . . Expression 2, where R1 denotes a powder specific resistance of the first fine conductive particles and R2 denotes a powder specific resistance of the second fine conductive particles. | 03-17-2011 |
20110217649 | CARRIER, DEVELOPER, AND IMAGE FORMING METHOD - The present invention provides a carrier which includes core material particles, and a coating layer on surfaces of the core material particles, wherein the coating layer contains a crosslinked product which is obtained by condensation of a cone resin with an organic zirconium catalyst, the silicone resin having at least one of a silanol group and a functional group capable of generating a silanol group by means of hydrolysis. | 09-08-2011 |
20110229817 | CARRIER, METHOD FOR PREPARING THE CARRIER, DEVELOPER USING THE CARRIER, DEVELOPER CONTAINER, AND IMAGE FORMING METHOD AND APPARATUS AND PROCESS CARTRIDGE USING THE DEVELOPER - The carrier is used for a two-component developer for developing an electrostatic latent image, and includes a particulate magnetic core material; and a cover layer located on a surface of the particulate magnetic core material and including a crosslinked material. The crosslinked material is formed by hydrolyzing a copolymer including at least a unit (A) having a specific acrylic siloxane structure including a tris(trialkylsiloxy)silanyl group and a unit (B) having a specific acrylic silicone structure to form a material having a silanol group, and subjecting the material having a silanol group to a condensation reaction using an organic zirconium-containing catalyst. | 09-22-2011 |
20120028183 | DEVELOPING METHOD AND IMAGE FORMING METHOD - The developing method includes developing an electrostatic latent image on an image bearing member with a two-component developer including a toner and a carrier and born on at least one developer bearing member, whose surface moves at a linear speed of from 300 mm/sec to 2,000 mm/sec. The carrier includes a particulate core material; and a cover layer located on a surface of the core material and including a crosslinked material obtained by crosslinking a resin including a first unit having a specific tris(trialkylsiloxy) silyl group and a second unit having a specific alkoxysilyl group having a crosslinking ability. Each of the first unit and the second unit is included in the resin in a molar ratio of from 0.1 to 0.9 based on all the units included in the resin. | 02-02-2012 |
20120057898 | CARRIER, DEVELOPER, METHOD OF MANUFACTURING CARRIER, DEVELOPER CONTAINER, IMAGE FORMING METHOD, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND SUPPLEMENTAL DEVELOPER - A carrier including a magnetic core particle and a resin layer covering a surface of the magnetic core particle. The magnetic core particle is a ferrite particle including strontium in an amount of 0.005 to 3% by mass, measured by fluorescent X-ray spectroscopy. The resin layer comprises a resin obtained by heating a copolymer comprising a silicon-containing unit A and another silicon-containing specific unit B. | 03-08-2012 |
20120058423 | CONTACT DEVELOPING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE - A contact developing method including supplying a two-component developer to an electrostatic latent image on a rotating image bearing member by rotating a developing sleeve and a rotatable magnet having multiple magnetic poles provided inside the developing sleeve, to develop the electrostatic latent image into a toner image. The developing sleeve and the image bearing member rotate in the same direction while facing each other. The two-component developer comprises a non-magnetic toner and a carrier. The carrier comprises a magnetic core particle and a resin layer covering the magnetic core particle. The resin layer comprises a conductive particle and a resin. The conductive particle comprises an alumina-based material and a conductive layer covering the alumina-based material. The resin is obtained by heating a copolymer comprising a monomer A unit and a monomer B unit. | 03-08-2012 |
20120064451 | CARRIER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE, AND TWO-COMPONENT DEVELOPER, SUPPLEMENTAL DEVELOPER, IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING METHOD USING THE CARRIER - A carrier comprising a magnetic core particle having a shape factor SF-2 of 130 to 160 and a resin layer covering a surface of the magnetic core particle. The resin layer comprises a conductive particle and a resin obtained by heating a copolymer comprising a silicon-containing A unit and another silicon-containing B unit having. | 03-15-2012 |
20120230725 | DEVELOPING DEVICE, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE - A developing device including a developer bearing member containing a magnetic field generator having multiple magnetic poles and a developer containing chamber is provided. The developer containing chamber contains a two-component developer comprising magnetic carrier particles having a saturated magnetization of 58 to 70 emu/g in a magnetic field of 1 KOe and toner particles, and has a divider to define an upper supply chamber and a lower collection chamber. The supply chamber includes a supply conveyer to supply the two-component developer to the developer bearing member at an upstream side from the developing area. The collection chamber includes a collection conveyer to collect the two-component developer from the developer bearing member at a downstream side from the developing area. The multiple magnetic poles includes three developer bearing poles capable of bearing the developer on its surface. | 09-13-2012 |
20130016999 | IMAGE FORMING METHOD AND IMAGE FORMING APPARATUSAANM Tohmatsu; HiroshiAACI ShizuokaAACO JPAAGP Tohmatsu; Hiroshi Shizuoka JPAANM Yaguchi; ShigenoriAACI ShizuokaAACO JPAAGP Yaguchi; Shigenori Shizuoka JPAANM Iwatsuki; HitoshiAACI ShizuokaAACO JPAAGP Iwatsuki; Hitoshi Shizuoka JPAANM Tano; ToyoakiAACI ShizuokaAACO JPAAGP Tano; Toyoaki Shizuoka JPAANM Sakata; KoichiAACI ShizuokaAACO JPAAGP Sakata; Koichi Shizuoka JPAANM Takii; MarikoAACI ShizuokaAACO JPAAGP Takii; Mariko Shizuoka JP - To provide an image forming method, containing: a charging step, a latent electrostatic image forming step, a developing step, a transferring step, and a fixing step, wherein the developing step is developing the latent electrostatic image formed on the latent electrostatic image bearing member with a two-component developer containing a toner and a carrier by a developing element to form a visible image, where the developing contains: stirring the toner and the carrier to prepare the two-component developer to have a flow energy amount of 30 mJ to 70 mJ; and periodically discharging and transporting the stirred two-component to the developer unit by air pressure to thereby supply the two-component developer for the developing. | 01-17-2013 |
20130065171 | LATENT ELECTROSTATIC IMAGE DEVELOPING CARRIER, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - A latent electrostatic image developing carrier including: core particles each having magnetism; and a coating layer covering each of the core particles, wherein the latent electrostatic image developing carrier has a shape factor SF-2 of 115 to 150 and has a bulk density of 1.8 g/cm | 03-14-2013 |
20130101930 | CARRIER FOR ELECTROSTATIC LATENT IMAGE DEVELOPER, ELECTROSTATIC LATENT IMAGE DEVELOPER FORMED OF CARRIER AND TONER, AND PROCESS CARTRIDGE USING THE DEVELOPER - A carrier for developing an electrostatic latent image, including a particulate core material having a magnetism having developed spontaneous magnetization; and a covering layer comprising an electroconductive material, covering the surface of the particulate core material, wherein the carrier has an electrical resistivity Log R [Ωcm] of from 8.0 to 12.0 when measured by a method, including filling the carrier in a cell containing a pair of facing electrodes, each having a surface area of 2×4 [cm | 04-25-2013 |
20130252169 | CARRIER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE, TOW-COMPONENT DEVELOPER AND IMAGE FORMING METHOD - A carrier for developing electrostatic latent image, including a particulate magnetic core material; and a coated layer covering the surface of the particulate magnetic core material, wherein the coated layer includes a resin including a silicone resin and a methacrylic ester or an acrylic ester resin, and a filler including a substrate; and an electroconductive layer comprising tin dioxide (SnO | 09-26-2013 |
20140023966 | CARRIER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE, AND ELECTROSTATIC LATENT IMAGE DEVELOPER - A carrier for developing electrostatic latent images includes a core material; and a covering layer formed of a resin comprising an electroconductive particulate material, overlying the core material, wherein the covering layer includes the electroconductive particulate material in an amount of from 58 to 73% by weight and has a resistivity of from 6.6 to 8.6 Ωcm, and wherein the carrier has a high-brightness contrast part at an areal ratio less than 1% and 40 to 90% based on total area thereof at an acceleration voltage of 0.8 KV and 2.0 KV, respectively in an FE-SEM reflection electron image of the surface thereof. | 01-23-2014 |
20140072910 | CARRIER FOR DEVELOPING AN ELECTROSTATIC LATENT IMAGE, DEVELOPER AND IMAGE FORMING APPARATUS - A carrier for developing an electrostatic latent image of the present invention includes a core material and a coating layer which coats the core material, wherein the coating layer includes a resin and fine particles, wherein the coating layer has an average layer thickness difference of 0.02 μm to 3.0 μm, and wherein the carrier for developing an electrostatic latent image has an arithmetic mean surface roughness Ra1 of 0.5 μm to 0.9 μm. | 03-13-2014 |
20140080052 | CARRIER FOR TWO-COMPONENT DEVELOPER, ELECTROSTATIC LATENT IMAGE DEVELOPER, AND IMAGE FORMING METHOD - A carrier for developing electrostatic latent images produced in an image developer includes a magnetic particulate core material and a covering layer covering the surface of the core material. The image developer includes an image bearer, a developer bearer including comprising a magnetic field generator inside and a developer regulation member facing the surface of the image developer with a predetermined gap. The carrier has a bulk density of from 1.6 to 2.25 g/cm | 03-20-2014 |
20140248557 | CARRIER FOR TWO-COMPONENT DEVELOPER, TWO-COMPONENT DEVELOPER USING THE CARRIER, AND IMAGE FORMING METHOD AND PROCESS CARTRIDGE USING THE TWO-COMPONENT DEVELOPER - A carrier is provided. The carrier includes a particulate magnetic core, and a cover layer located on the surface of the particulate magnetic core and including a resin and a filler. When determined from observation of cross-section of the carrier, the shape factor SF2 of the carrier is from 120 to 160, the ratio of the average domain diameter of the particulate magnetic core to the number average particle diameter of the filler is from 1:1 to 1:0.003, and the area ratio of the filler in the cover layer is from 30 to 85%. | 09-04-2014 |
20140348552 | REPLENISHING DEVELOPER HOUSING CONTAINER AND IMAGE FORMING APPARATUS - A replenishing developer housing container according to the present invention includes: a container body housing a replenishing developer; a conveying portion; a pipe receiving port; and an uplifting portion, wherein the replenishing developer contains a toner and a carrier, wherein the container body includes a protruding portion protruding from a container body interior side of the container opening portion toward one end of the container body and a curving portion curving so as to conform to the protruding portion, wherein the uplifting portion includes an uplifting wall surface extending from an internal wall surface of the container body toward the protruding portion, wherein the protruding portion is provided such that when the replenishing developer housing container is mounted on the replenishing developer conveying device, the protruding portion is present between the curving portion and the replenishing developer receiving port of a conveying pipe being inserted. | 11-27-2014 |
20150153665 | CARRIER, TWO-COMPONENT DEVELOPER, SUPPLEMENTAL DEVELOPER, IMAGE FORMING METHOD, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - There is provided a carrier including magnetic core particles; and a coating layer on a surface of each of the magnetic core particles, wherein the coating layer contains electroconductive particles; wherein the electroconductive particles are electroconductive particles in which white inorganic pigments are coated with phosphorus-doped tin or tungsten-doped tin; and wherein a dope ratio of phosphorus or tungsten to tin in the phosphorus-doped tin or tungsten-doped tin is 0.010 to 0.100. | 06-04-2015 |
Patent application number | Description | Published |
20110079675 | MEDIUM STORING AND ADVANCING APPARATUS - A medium storing and advancing apparatus is provided which prevents, when a medium sandwiched between two tapes is wound on a drum to be stored, that the medium could not be wound due to the thickness of the tapes wound previously on the drum. The medium storing and advancing apparatus includes reels which supply and wind up the tapes, and a drum which winds up the tapes, wherein the drum is provided with a drum groove portion over the circumferentially entire periphery substantially in a middle way of the outer peripheral surface of the drum so that the tapes are wound in the drum groove portion. | 04-07-2011 |
20130240321 | MEDIUM STOCKING APPARATUS - A medium stocking apparatus includes a housing having an open area, reels on which tapes are wound, a diverting unit for turning backward the tapes, a cylindrical drum on which a medium is wound with the tapes overlaid, and an openable unit for closing and opening an internal space from and to outside. During an operation, a closed state can be retained, and, during a maintenance work, an open state can be achieved, in which the openable unit is rotated in an upward direction for displacing upper tapes. The medium stocking apparatus can thus be offered which allows a maintenance work with high workability without impairing the tapes. | 09-19-2013 |
20140116839 | MEDIUM STORAGE AND ADVANCING APPARATUS - An apparatus includes one-side reels rotatably arranged, one-side tapes wound around the one-side reels, a drum arranged to rotate in one direction to wind and store a medium with the medium being laid over the one-side tapes and in an opposite direction to pull out the wound medium, and retainers opposed to the one-side tapes with respect to the medium wound by or pulled out from the drum for abutting against a surface of the medium to hold the medium, the one-side tapes having a tape width shorter than the width of the medium corresponding to the length of the medium in a direction perpendicular to a transfer direction of the medium, the one-side tapes being arranged in parallel and spaced with a spacing shorter than the width of the medium in a direction of the width of the medium to abut against another surface of the medium. | 05-01-2014 |
Patent application number | Description | Published |
20090108115 | Media storing and feeding device with maximum angular speed of reels reduced - In a media storing and feeding device for winding up or rewinding the tapes between reels attached to reel shafts and a drum | 04-30-2009 |
20140262678 | MEDIUM STORING DEVICE - A temporary storage in a medium storing device carries out ON/OFF monitoring of a jam sensor between a winding start position of a drum and a clamp point of a delivering roller. Accordingly, when bills are rewound in the reset operation, even when a relationship between a pulse count and a bill position becomes different from actual one, it is possible to detect, without using a pulse count, a jam between the winding start position and the clamp point. It is possible to more securely detect the abnormality in bill storing in comparison with the prior art. | 09-18-2014 |
20150014469 | MEDIUM PROCESSING DEVICE - A medium processing device includes a drum; plural inner tapes; plural outer tapes; differing regions formed on a starting end portion that is an end at a drum side of at least one of the plural inner tapes or the plural outer tapes, and on a terminal end portion that is an inner reel side or an outer reel side of all of the inner tapes or all of the outer tapes; plural detecting unites that detect the physical property at a tape position of one of the inner tape or the outer tape that has a differing region formed on the starting end portion or the terminal end portion, the tape position being located between the drum and the inner and the outer reels; and a control unit that controls a rotation of the drum based upon the detection results of the plural detecting units. | 01-15-2015 |
20150048197 | MEDIUM PROCESSING APPARATUS - A temporary holding section includes bridge portions that span along a shaft direction across respective groove portions of a drum at plural discrete locations around the drum circumferential direction. The temporary holding section can accordingly prevent an outer tape and an inner tape from slipping off into the groove portions, enabling damage to the tapes to be forestalled. The temporary holding section can also precisely determine the presence or absence of a banknote by shining a drum detection light toward the groove portions so as to pass through opening hole portions. | 02-19-2015 |
20150356807 | MEDIUM HOUSING DEVICE AND MEDIUM PROCESSING DEVICE - A medium housing device includes: a frame including an internal space; a partitioning plate that partitions the internal space so as to intersect with a specific collection direction, and that forms a collection space in which the medium is collected along the collection direction; a partitioning plate moving section that moves the partitioning plate along the collection direction; a side guide that is attached inside the frame and that determines the size of the collection space in an intersecting direction intersecting with the collection direction; a positioning portion that positions an end portion of the side guide at one attachment position selected from a plurality of attachment positions; and a retention switching portion that switches between a retained state in which the end portion of the side guide is positioned, and a retention-released state in which the end portion of the side guide is not positioned. | 12-10-2015 |
Patent application number | Description | Published |
20090248229 | Electric Vehicle Control Device - A loss reduction module of an electric vehicle control device has a function to limit a torque to not exceed a constant loss characteristic and issue a torque instruction if a requested torque exceeds the constant loss characteristic when an ecology switch is turned ON and low fuel consumption travel is instructed. More specifically, when a requested torque exceeding the constant loss characteristic is input, a torque limit is applied to a point on the constant loss characteristic. Accordingly, the torque instruction is output as a torque which is suppressed more than a characteristic curve obtained by combining the constant loss characteristic and a characteristic indicating the relationship between the torque and the number of rotations during normal travel. | 10-01-2009 |
20100045224 | ELECTRIC VEHICLE CONTROL DEVICE - When an electric vehicle outputs a torque instruction, firstly, a request torque is acquired and a judged whether the acquired request torque is positive or negative (S | 02-25-2010 |
20100052588 | VEHICLE CONTROLLER AND CONTROL METHOD - By the vehicle controller of the present invention, when the economy mode is selected by a driver, boosting by a converter is limited and output torque of a motor is limited. Even in the economy mode, however, if the driver requests large torque, either the limit on boosting or the limit on output torque is cancelled. As a result, a vehicle controller for a vehicle including a battery, a converter boosting/lowering the battery voltage and a motor operating with the power from the converter is provided, by which unnecessary power consumption is reduced and the torque requested by the driver can be generated. | 03-04-2010 |
20110282530 | Electric vehicle control device - When an electric vehicle outputs a torque instruction, firstly, a request torque is acquired and a judged whether the acquired request torque is positive or negative. Regardless of the sign of the request torque, it is judged whether the eco-switch is ON. If the request torque has a positive sign and the eco-switch is OFF, a map A is selected. If the eco-switch is ON, a map B which limits the maximum torque to a low value for the map A is selected. If the request torque has a negative sign, a map C is selected regardless of the eco-switch ON/OFF state and the maximum torque is not limited. | 11-17-2011 |
Patent application number | Description | Published |
20110074320 | CONTROL DEVICE FOR ELECTRIC MOTOR DRIVE DEVICE - A control device that controls an electric motor drive device. The control device is configured with a first voltage control section that derives a modulation rate representing a ratio of an effective value of the voltage command values to the DC voltage and a voltage command phase. A second voltage control section generates a control signal for controlling the DC/AC conversion section on the basis of the modulation rate, the voltage command phase, and a magnetic pole position representing a rotational angle of a rotator of the AC electric motor. A computation cycle of the first voltage control section is set to be longer than a computation cycle of the second voltage control section. | 03-31-2011 |
20110080125 | CONTROL DEVICE FOR ELECTRIC MOTOR DRIVE APPARATUS - A electric motor drive apparatus comprising a voltage control unit performing voltage control processing that determines alternating-current voltage command values serving as command values of the alternating-current voltages to be supplied to the alternating-current electric motor and generates switching control signals for the inverter; and a control mode selection unit selecting a synchronous control mode in which a cycle of electric angle of the alternating-current electric motor is synchronized with a switching cycle of the inverter, or an asynchronous control mode in which the cycles are not synchronized with each other. Current detection processing is performed to detect currents flowing in coils of the alternating-current electric motor in every standard calculation cycle that is set to a half of a cycle of the carrier. | 04-07-2011 |
20110080131 | CONTROL DEVICE - A control device that controls a plurality of inverters respectively provided corresponding to a plurality of alternating-current electric motors so as to control the plurality of alternating-current electric motors by current feedback. The control device comprises a carrier frequency setting unit that individually selects and sets one of a plurality of carrier frequencies, each of which is a frequency of a carrier for generating switching control signals for the inverter based on a pulse width modulation method, for each of the plurality of inverters, and a switching timing table that specifies a switching timing serving as a permissible timing of switching to a different carrier frequency pair from each of a plurality of carrier frequency pairs each of which is composed of a combination of the carrier frequencies set for each of the plurality of inverters. | 04-07-2011 |
20110127933 | CONTROL DEVICE FOR ELECTRIC MOTOR DRIVE DEVICE - A control device that controls an electric motor drive device is configured with a current control portion that determines a voltage command value, a voltage control portion that generates a switching control signal, and a current control period determining portion. The control device is also configured with a voltage control period determining portion that determines a voltage control period, and a control period setting portion. In the control device, the current control period determining portion determines, according to a target torque, the current control period as a value that increases continuously or stepwise as the target torque decreases. Furthermore, the voltage control period determining portion determines, according to a rotating speed, the voltage control period as a value that increases continuously or stepwise as the rotating speed decreases. | 06-02-2011 |
20110241583 | CONTROL DEVICE OF MOTOR DRIVING APPARATUS - Disclosed is a control device capable of ending strong field control in a structure that performs strong field control and square wave control on the basis of a voltage index, such as a modulation factor. A voltage waveform control unit performs PWM control when a voltage index is less than a threshold, and performs square wave control when the voltage index is equal to or greater than the threshold value. A field adjusting unit performs strong field control when the voltage index is equal to or greater than a predetermined strong field threshold value less than the square wave threshold value. A mode control unit ends the strong field control when a field adjustment command value is equal to or greater than an adjustment command threshold value determined on the basis of a target torque and a voltage/speed ratio in a direction in which field flux is strengthened. | 10-06-2011 |
20110241584 | CONTROL DEVICE OF MOTOR DRIVING APPARATUS - Disclosed is a control device capable of ending strong field control based on a voltage index, such as a modulation factor. A voltage waveform control unit performs PWM control when a voltage index indicating the magnitude of voltage command values with respect to a DC voltage is less than a predetermined square wave threshold value, and performs square wave control when the voltage index is equal to or greater than the threshold. A field adjusting unit performs strong field control on the condition that the voltage index is equal to or greater than a predetermined strong field threshold value less than the square wave threshold value. A mode control unit ends the strong field control when a rotational speed is less than a rotational speed threshold value determined on the basis of a target torque and the DC voltage. | 10-06-2011 |
20120032620 | CONTROL DEVICE - A control device that controls for an electric motor drive device including a DC/AC conversion section that converts a DC voltage into an AC voltage to supply the AC voltage to an AC electric motor. The control device is configured with a computation cycle setting section that sets a computation cycle of the control signal generation section to a first cycle, which is N times (N is an integer of 1 or more) a reference computation cycle that is set to half a carrier cycle, and that sets a computation cycle of the voltage command value determination section to a second cycle, which is M times (M is an integer of 2 or more) the first cycle, in the case where the control mode determined by the control mode determination section is the pulse width modulation control mode. | 02-09-2012 |
20120249024 | ELECTRIC MOTOR CONTROL DEVICE - An electric motor control device includes a mode in which an inverter is controlled by a current phase of an armature current in a 2-axis orthogonal vector space, a vector being obtained by synthesizing a field and a drive current along two axes defining the vector space; a high-loss control section that, when extra power results from charging a power storage device, varies the field current in accordance with the extra power to increase the armature current while maintaining torque of an AC electric motor; and the high-loss control section varies the field current to one of a field weakening and a field intensifying side of the electric motor, which results in the higher power loss within a range in which the armature current can be output in the vector space and which is determined based on the DC power source voltage and a rotational speed of the electric motor. | 10-04-2012 |
20130187583 | CONTROL DEVICE FOR ELECTRIC MOTOR DRIVING APPARATUS - A control device for an electric motor driving apparatus, configured with a switching control unit that performs rectangular wave control in which a plurality of switching elements provided in a direct current-alternating current conversion unit are ON/OFF-controlled to output rectangular wave-shaped voltages of a plurality of phases. System voltage varies during execution of the rectangular wave control, the switching control unit performs rectangular wave width adjustment control to set ON/OFF timings of the plurality of switching elements on the basis of a rate of change of the system voltage such that time-integrated values of the rectangular wave-shaped voltages of the respective phases within a control period set at a length corresponding to an integral multiple of a single electrical angle period are substantially identical among the respective phases. | 07-25-2013 |
20130307449 | CONTROL DEVICE - A control device for a rotating electrical machine, which is able to reduce a tracking delay of an actual output torque and actual currents with respect to a fluctuating torque command and fluctuating current commands and to reduce steady state deviations, is obtained. The control device includes a torque current computing unit; an actual current computing unit; a current feedback control unit; and a voltage control unit that controls voltages on the basis of the two-phase voltage commands. The torque command includes a fluctuation cancellation torque command for cancelling transmission torque fluctuations transmitted from the internal combustion engine, and the current feedback control unit includes a harmonic controller that calculates the two-phase voltage commands by using a characteristic of a transfer function corresponding to a periodic function of a frequency of the transmission torque fluctuations. | 11-21-2013 |
Patent application number | Description | Published |
20100197454 | SLIPPAGE DETECTION SYSTEM AND METHOD FOR CONTINUOUSLY VARIABLE TRANSMISSIONS - A slippage detection system for a continuously variable transmission capable of continuously changing a gear ratio between an input rotation speed of an input member and an output rotation speed of an output member is provided. The slippage detection system compares a difference between an actual gear ratio calculated from measurement values of the input rotation speed and the output rotation speed and a target gear ratio with a predetermined reference value, and determines slippage in the continuously variable transmission when the difference exceeds the reference value at least a predetermined number of times in a predetermined period of time. | 08-05-2010 |
20100197455 | SLIPPAGE DETECTION SYSTEM AND METHOD FOR CONTINUOUSLY VARIABLE TRANSMISSIONS - A slippage detection system for a continuously variable transmission capable of continuously changing a gear ratio between an input rotation speed of an input member and an output rotation speed of an output member is provided. The slippage detection system calculate a sum of differences between an actual gear ratio calculated from measurement values of the input rotation speed and the output rotation speed and a target gear ratio over a predetermined period of time, and determines slippage in the continuously variable transmission based on the sum of differences. | 08-05-2010 |
20100198474 | DECELERATION CONTROL APPARATUS FOR VEHICLE - A deceleration control apparatus for a vehicle including a controller that performs deceleration control based on a first target deceleration set based on a distance to a starting point of an upcoming curve, when the deceleration control for the curve is started at a position distant from the starting point of the curve; and that performs the deceleration control based on a second target deceleration set based on a lateral acceleration that is estimated to be detected when the vehicle passes the starting point of the curve, when the deceleration control for the curve is started at a position close to the starting point of the curve. With this apparatus, it is possible to perform the deceleration control that provides drive assist according to the intention of the driver and that enhances driving convenience for the driver. | 08-05-2010 |
20150328983 | CONTROL APPARATUS FOR 4WD VEHICLE - A control apparatus for a 4WD vehicle is provided. The control apparatus includes a driving force source, main driving wheels, auxiliary driving wheels, a driving force transmission shaft, a first disconnection mechanism, a second disconnection mechanism, and an electronic control unit. The electronic control unit is configured to: (i) control one of the first disconnection mechanism and the second disconnection mechanism to be engaged and then engage the other one of the first disconnection mechanism and the second disconnection mechanism when a disconnect state is canceled; and (ii) set, when the disconnect state is canceled, an increasing gradient of a rotation speed of the driving force transmission shaft in accordance with a condition that the electronic control unit determines to cancel the disconnect state. | 11-19-2015 |
Patent application number | Description | Published |
20090051997 | LASER RADAR AND BEAM IRRADIATION APPARATUS THEREFOR - A laser radar according to an embodiment of the invention includes a beam irradiation head which emits a laser beam and a control circuit which controls the beam irradiation head to perform scan in a two-dimensional direction with the laser beam. In the laser radar, the beam irradiation head includes a laser beam source; a mirror to which the laser beam emitted from the laser beam source is incident; and a driving mechanism which rotates the mirror in first and second directions about a first rotating axis and a second rotating axis perpendicular to the first rotating axis respectively. The control circuit controls the rotation of the mirror in the first direction and the second direction such that a scan region of the laser beam becomes a rectangular shape. | 02-26-2009 |
20100321751 | MIRROR ACTUATOR AND BEAM IRRADIATION DEVICE - A mirror actuator includes a base block; a first pivot shaft fixedly attached to the base block; a first pivot portion pivotally supported on the first pivot shaft; a second pivot shaft fixedly attached to the first pivot portion and perpendicularly intersecting with the first pivot shaft; a second pivot portion pivotally supported on the second pivot shaft; and a mirror attached to the second pivot portion. In the above arrangement, the first pivot portion and the second pivot portion respectively have a first bearing portion and a second bearing portion for bearing the first pivot shaft and the second pivot shaft at one position. | 12-23-2010 |
20110222064 | OBJECT DETECTING DEVICE AND INFORMATION ACQUIRING DEVICE - An information acquiring device includes a laser light source which emits light in a predetermined wavelength region; a projection lens which projects the light from the laser light source toward a targeted area; an image sensor which receives reflected light reflected from the targeted area to output a signal; and an imaging lens which guides the reflected light to the image sensor; a filter which transmits the light from the laser light source; and an actuator which inclines the filter. A filter controlling circuit inclines the filter in such a direction as to approximate a transmissive wavelength region of the filter to the wavelength region of the light from the laser light source. | 09-15-2011 |
20120326006 | OBJECT DETECTING DEVICE AND INFORMATION ACQUIRING DEVICE - An information acquiring device is provided with a light emitting device, a light receiving device, and a base member on which the light emitting device and the light receiving device are mounted side by side. The light emitting device is provided with a laser light source, a collimator lens, a light separating element which reflects a part of laser light and transmits a part of the laser light, a diffractive optical element which converts the reflected laser light into laser light having a dot pattern, a photodetector which receives the transmitted laser light, and a laser controller which controls a light emission amount of the laser light source based on a detection signal from the photodetector. The laser light source, the collimator lens and the light separating element are linearly arranged, and the diffractive optical element faces a target area. | 12-27-2012 |
20120327223 | OBJECT DETECTING DEVICE AND INFORMATION ACQUIRING DEVICE - An information acquiring device is provided with a light emitting device, a light receiving device, and a base plate having a heat conductivity. The light emitting device has a laser light source, a collimator lens, a diffractive optical element, a mirror which reflects laser light in a direction toward the diffractive optical element, and a housing having a heat conductivity. A side surface of the housing opposite to a reflecting direction of laser light by the mirror is formed into a flat surface, and the housing is mounted on a support plate in such a manner that the flat surface is placed on a top surface of the support plate. Heat generated in the laser light source is efficiently transferred to the support plate via the housing. | 12-27-2012 |
20130002859 | INFORMATION ACQUIRING DEVICE AND OBJECT DETECTING DEVICE - Laser light emitted from a laser light source is converted into light having a dot pattern by a projection optical system for projection onto a target area. The projection optical system is configured such that the density of dots in a peripheral portion of the dot pattern is smaller than that in a center portion of the dot pattern in the target area. A dot pattern captured by irradiating a dot pattern onto a reference plane is divided into segment areas. A distance to each segment area is acquired by matching between dots in each segment area, and a dot pattern acquired by capturing an image of the target area at the time of distance measurement. The segment areas are set such that a segment area in the peripheral portion of the dot pattern is larger than a segment area in the center portion of the dot pattern. | 01-03-2013 |
20130002860 | INFORMATION ACQUIRING DEVICE AND OBJECT DETECTING DEVICE - An information acquiring device is provided with a projection optical system which projects laser light onto a target area with a predetermined dot pattern, and a light receiving optical system which captures an image of the target area. Segment areas are set on a reference dot pattern reflected on a reference plane and captured by the light receiving optical system. A distance to each segment area is acquired by matching between a dot pattern captured at the time of distance measurement and dots in each segment area. The segment area sizes differ depending on regions of the reference dot pattern. | 01-03-2013 |
20130003069 | OBJECT DETECTING DEVICE AND INFORMATION ACQUIRING DEVICE - An information acquiring device has a laser light source which emits laser light of a predetermined wavelength band; a collimator lens which converts the laser light emitted from the laser light source into parallel light; an image sensor which receives reflected light reflected on a target area for outputting a signal; and a CPU which acquires three-dimensional information of an object in the target area based on the signal to be outputted from the image sensor. A light diffractive portion for converting the laser light into laser light having a dot pattern by diffraction is integrally formed on a light exit surface of the collimator lens. | 01-03-2013 |
Patent application number | Description | Published |
20090327538 | DATA TRANSFER APPARATUS, INFORMATION PROCESSING APPARATUS, AND DATA TRANSFER METHOD - Provided is a data transfer apparatus having a system bus interface | 12-31-2009 |
20110182384 | RECEPTION CIRCUIT, INFORMATION PROCESSING DEVICE, AND BUFFER CONTROL METHOD - A reception circuit that receives data in serial communications through a plurality of lanes includes a plurality of buffers provided for each of the plurality of lanes that each stores data received through corresponding lane, a multilane control circuit that detects the skew between the lanes, and outputs an adjustment instruction for adjusting a read address of a buffer and a deskew information indicating that a skew adjustment between which buffer the lanes is to be performed based on the detected skew, and a plurality of address control circuits provided for each of the plurality of lanes that each transmits the adjustment instruction to a corresponding buffer when receiving the deskew information, wherein the buffer that has received the adjustment instruction adjusting its read address. | 07-28-2011 |
20110194651 | SERIAL DATA RECEIVER CIRCUIT APPARATUS AND SERIAL DATA RECEIVING METHOD - A serial data receiver circuit apparatus to receive serial data delimited by a first bit length, the circuit apparatus includes: a serial/parallel converter circuit to convert the serial data into parallel data of a second bit length that is smaller than the first bit length; a data hold circuit to hold a plurality of parallel data; a detector circuit to detect a delimiter position in the received serial data; a detected position hold circuit to generate a select signal to select data included in the parallel data stored in the data hold circuit; and a selector circuit to select data in units of the second bit length starting from the data delimiter position based on the select signal. | 08-11-2011 |
20110228861 | DATA TRANSFER SYSTEM, A RECEPTION DEVICE OF THE DATA TRANSFER SYSTEM AND A CONTROL METHOD OF THE DATA TRANSFER SYSTEM - A data transfer system transfers data via a plurality of signal lines and controls to select the signal lines to adapt reduction and lane reversal. The signal line control unit has a signal creation unit that creates a first selection signal when the signal lines are reduced according to the abnormal detection from the abnormal detection unit, and a signal output unit that outputs a second selection signal when a connection of the second selection signal indicating that any one or both signal line of a second pair of signal lines is changed in case of a lane reversal that connects a plurality of signal lines in a down order from a highest bit to a lowest bit of a sending device side with a plurality of signal in a up order from a highest bit to a lowest bit of a reception device side. | 09-22-2011 |
20110239090 | Storage apparatus and fault diagnosis method - In a storage apparatus: a write-address counter outputs a write address; an input-data inverter inverts input data to be inputted into a storage unit; an input-data selector selects one of the input data and the inverted input data on the basis of one or more first bits constituting the write address, and writes the one of the input data and the inverted input data in the storage unit on the basis of one or more second bits constituting the write address; a read-address counter outputs the read address; an output-data inverter inverts output data outputted from the storage unit on the basis of one or more third bits constituting the read address; and an output-data selector selects and outputs one of the output data and the inverted output data on the basis of one or more fourth bits constituting the read address. | 09-29-2011 |
20130326286 | DATA TRANSFER APPARATUS AND DATA TRANSFER METHOD - A data transfer apparatus includes a plurality of transmitting units. The data transfer apparatus includes a detecting unit that detects a malfunction in any of the transfer paths. The data transfer apparatus includes a selecting unit that, when one or more malfunctions have been detected by the detecting unit, selects a predetermined number of transmitting units from among such transmitting units that transmit data via transfer paths in which no malfunction is detected by the detecting unit. The data transfer apparatus includes a generating unit that generates redundancy data used for detecting errors. The data transfer apparatus includes an assigning unit that assigns the data to transmitting units remaining after excluding one transmitting unit from the transmitting units selected by the selecting unit and assigns the redundancy data generated by the generating unit to the excluded transmitting unit. | 12-05-2013 |
20140064055 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING SYSTEM, DATA TRANSFER METHOD, AND INFORMATION PROCESSING METHOD - An information processing apparatus includes a control information generating unit configured to generate second control information transferred and received on a physical layer of a communication line on the basis of an error on the physical layer of the communication line or an error on a data link layer initialized by use of first control information of the physical layer, and a transmitting unit configured to transmit the second control information generated by the control information generating unit via the physical layer of the communication line when a communication on the data link layer of the communication line is disabled. | 03-06-2014 |
20140325107 | RECEPTION APPARATUS, INFORMATION PROCESSING APPARATUS AND METHOD OF RECEIVING DATA - A reception apparatus that receives data through a plurality of lanes and includes a plurality of buffers that store received data, the buffers being provided for each of the plurality of lanes; a speed difference controller outputs a first timing signal for adjusting timing among the lanes, based on a communication speed on the lanes and operational clocks for the transmission apparatus and the reception apparatus; a deskew controller that outputs a second timing signal for adjusting a skew among the lanes; and a controller that adjusts timing for reading the received data from the buffers, based on a value of the second timing signal and a difference between a read position for reading the received data from the buffers and a write position for writing the received data to the buffers, in the first timing signal, upon adjusting a frequency difference between the transmission apparatus and the reception apparatus. | 10-30-2014 |