Yoshihisa Yamada
Yoshihisa Yamada, Gunma JP
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20110095740 | SWITCHING REGULATOR - The invention provides a technique to widely spread the frequency spectrum of switching noise generated by a switching action and to reduce the noise level at a particular frequency. A switching regulator ( | 04-28-2011 |
20130076288 | Motor Control Circuit And Servo Device Provided With The Same - When a servo device receives the frequency setting signal as a control signal through the receiver from the transmitter, it select the information in conformity with the received frequency setting signal among the driving frequency setting information as stored in advance. When the handling signal is input as the control signal by the transmitter, the servo device is configured to transform the difference data taken synchronously with the difference data timing signal from the pulse width comparison part into the selected driving frequency. The servo device is configured to generate the driving signal from the transformed difference data signal of the desired corresponding count value range, and to perform drive control the driving feature. | 03-28-2013 |
Yoshihisa Yamada, Kofu-Shi JP
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20110072246 | NODE CONTROL DEVICE INTERPOSED BETWEEN PROCESSOR NODE AND IO NODE IN INFORMATION PROCESSING SYSTEM - A node control device is interposed between processor nodes and IO nodes in an information processing system, wherein each IO node subordinates at least one IO device. The node control device includes a register storing a base address of a mapping destination of an IO space, a table describing a plurality of entries retaining a plurality of IO space numbers and address ranges, and an IO space access detection circuit. The table stores an identification flag as to whether or not IO spaces are each mapped onto a memory space. The IO space access detection circuit decodes a command code and an address of an FRTT signal output from a processor node, thus detecting a target IO space and detecting whether the processor node is accessing an IO space mapped onto the memory space or another IO space. | 03-24-2011 |
Yoshihisa Yamada, Shimada-Shi JP
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20100251954 | METHOD OF RETURNING POINTER TO ORIGIN POINT - There is provided a method of returning a pointer driven by a motor to an origin point disposed between a starting point and an endpoint of a movement range of the pointer, the method comprising the steps of: moving the pointer from an arbitrary point in the movement range to a reference point that is away from the starting point by not less than a distance between the starting point and the origin point; thereafter moving the pointer from the reference point toward the starting point; detecting the pointer by a sensor at a detection point whose relative position with respect to the origin point is known; and stopping, when the pointer at the detection point is detected, the pointer moving from the reference point toward the starting point at a predetermined point of time based on timing of the detection of the pointer at the detection point. | 10-07-2010 |
20130038434 | ON-VEHICLE DISPLAY DEVICE - An on-vehicle display device includes a first display section provided in an area within a width of a steering wheel of a vehicle viewed from a driver sitting on a driver seat of the vehicle and which displays at least one piece of report information concerning a state of the vehicle, a second display section provided in an area outside the width of the steering wheel viewed from the driver and which displays an image, and a control section which controls displays of the first display section and the second display section respectively. When a piece of report information is displayed on the first display section, the control section controls to display an information image corresponding to the piece of report information on the second display section. | 02-14-2013 |
Yoshihisa Yamada, Osaka JP
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20100124439 | ILLUMINATING DEVICE, IMAGE-READING APPARATUS, AND IMAGE-FORMING EQUIPMENT - An embodiment of the present invention provides an illuminating device that is disposed in an image-reading apparatus and image-forming equipment, comprising: a light-source portion on one side; a light-source portion on the other side; and a long translucent light-guiding member having a light-discharging face long in a longitudinal direction thereof, and guiding light derived from the one light-source portion from one end face in the longitudinal direction, and light derived from the other light-source portion from the other end face in the longitudinal direction so that the guided light is irradiated to an object through the long light-discharging face; wherein the one and the other light-source portions are arranged such that positions of optical axes thereof differ from each other. | 05-20-2010 |
20100245944 | IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS - In regard to a secured original method, an image reading apparatus provided in an image forming apparatus reads a first original guide using an original reading portion and, based on a reading result thereof, changes a reading position of an adjustment sheet in a main scanning direction to enable detection of a difference between a brightness of the first original guide and a brightness of the adjustment sheet. In regard to a moving original method, the image reading apparatus reads a reading member using the original reading portion and, based on a reading result thereof, changes a reading position of an adjustment sheet in a main scanning direction to enable detection of a difference between a brightness of the reading member and a brightness of the adjustment sheet. | 09-30-2010 |
20110164413 | ILLUMINATING DEVICE, IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS - An illuminating device ( | 07-07-2011 |
20110199652 | ILLUMINATING DEVICE, IMAGE-READING APPARATUS PROVIDED WITH THE ILLUMINATING DEVICE, AND IMAGE-FORMING APPARATUS PROVIDED WITH THE IMAGE-READING APPARATUS - The present invention provides an illuminating device including a plurality of light-emitting elements arranged in a line, the illuminating device illuminates an irradiation target by irradiating the irradiation target with light that is emitted from the light-emitting elements via a first and a second optical paths. In the illuminating device, a light diffusing portion for diffusing light is provided in one of the first optical path and the second optical path, and an irradiation light amount of said one of the first optical path and the second optical path in which the light diffusing portion is provided is larger than an irradiation light amount of the other optical path. | 08-18-2011 |
20110273752 | ILLUMINATING APPARATUS, IMAGE READING APPARATUS, AND IMAGE FORMING APPARATUS - In a light source unit ( | 11-10-2011 |
20120008155 | IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS INCLUDING THE SAME - A transparent sheet is attached onto an inclined surface of an original guide plate of an image reading apparatus, and similarly, a transparent sheet is attached onto an inclined surface at an edge portion of a reading guide plate, thereby preventing an original from being chipped by the ground glass-like inclined surfaces and illumination light from being diffused by the ground glass-like inclined surfaces. | 01-12-2012 |
20140285857 | ILLUMINATING DEVICE, IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS - An illuminating device ( | 09-25-2014 |
Yoshihisa Yamada, Miyoshi JP
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20100248936 | Calcined ceramic body for dental use - It is provided a calcined ceramic body for dental use that is manufactured such that a formed body mainly containing zirconium oxide is worked in a degreasing process and in a calcining process, having a linear contraction coefficient upon full burning ranging from 19.0% to 22.0%. | 09-30-2010 |
20120012789 | FLUORESCENT ZIRCONIA MATERIAL - It is provided a fluorescent zirconia material including a fluorescent component and emitting fluorescence when excited with a light of a predetermined wavelength, the fluorescent component including a fluorescent material, the fluorescent material including at least one kind of Y | 01-19-2012 |
Yoshihisa Yamada, Shizuoka JP
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20090184572 | BRAKING CONTROL DEVICE FOR VEHICLE - A brake control device that controls braking forces applied to wheels to stabilize the behavior of a vehicle turning a corner, and includes a turning condition detection unit detecting a turning condition of the vehicle; a braking amount setting unit setting braking amounts for the respective wheels based on the turning condition detected by the turning condition detection unit; a brake control unit applying braking forces to the wheels according to the braking amounts set by the braking amount setting unit; and a road surface friction coefficient estimation unit estimating a road surface friction coefficient of the road on which the vehicle is running. The braking amount setting unit changes upper limits of the braking amounts for the respective wheels according to the road surface friction coefficient when the vehicle is in a center differential lock mode or a direct four-wheel drive mode. | 07-23-2009 |
20150116837 | HEAD-UP DISPLAY DEVICE - A head-up display device which can reduce heat generation and perform efficient control by controlling a drive current of a motor is provided. After a combiner is held in a display position, a microcomputer controls duty of drive pulse supplied to the motor so that the motor is operated by low torque drive of torque 50% when adjusting an angle of the combiner according to the operation of a forward/backward tilting switch. Furthermore, the microcomputer controls duty of drive pulse supplied to the motor so that the motor is operated by normal torque drive of torque 100% when moving the combiner from a storage position to a display position and from the display position to the storage position according to up-and-down operation. | 04-30-2015 |
Yoshihisa Yamada, Nara-Shi JP
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20090162117 | LASER EXPOSURE DEVICE, CLEANING TOOL, AND IMAGE FORMING APPARATUS - Emission windows are prevented from being contaminated and are cleaned easily. The emission windows for emitting light beams are disposed on a housing of a laser exposure device having optical elements arranged inside for exposing a photoreceptor, and the upper surface of the housing is provided with a slidable shutter with openings. An image forming apparatus includes guide rails independent of the laser exposure device to movably guide predetermined cleaning brushes in the longitudinal direction of the emission windows. When the cleaning brushes are mounted on the guide rails and moved toward the inner side of the apparatus, the cleaning brushes touch a slant portion of a rib and the shutter is moved to the right to align the openings with the emission windows. While the cleaning brushes touch a longitudinally extending portion, the emission windows are exposed to enable the cleaning of the exposed window using the cleaning tool. | 06-25-2009 |
Yoshihisa Yamada, Inazawa-Shi JP
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20090152984 | Piezoelectric actuator control circuit, image stabilization control circuit, and imaging device - In a control circuit for servo control of a piezoelectric actuator, it is possible to efficiently move a movement object toward a target position in each servo control cycle. A pulse generation circuit ( | 06-18-2009 |
20090152985 | Image stabilization control circuit, imaging device, and piezoelectric actuator drive circuit - In a drive circuit for a piezoelectric actuator, it is possible to move a movement object to a target position rapidly and with good precision. Parameters for two types of drive pulses (PL | 06-18-2009 |
Yoshihisa Yamada, Inazawa-City JP
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20090141137 | SEMICONDUCTOR DEVICE AND IMAGING CAPTURING APPARATUS - A MCP semiconductor device with an “anti-shake” function includes a driver chip and a logic chip. The logic chip includes a correction signal processing unit which obtains a value for vibration of apparatus based on a vibration detection signal to generate a correction signal and a control signal output unit having a plurality of types of signal output sections which output a vibration control signal in accordance with the correction signal to a vibration correction control unit which executes vibration correction control for an optical component. The logic chip further includes a driver output terminal which outputs the vibration control signal to the driver chip, an external output terminal which outputs the control signal to an external circuit other than the driver chip, and also an output switch unit which connects one of the plurality of signal output sections with the driver output terminal or the external output terminal. | 06-04-2009 |
Yoshihisa Yamada, Chiyoda-Ku JP
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20090034857 | IMAGE ENCODER AND IMAGE DECODER, IMAGE ENCODING METHOD AND IMAGE DECODING METHOD, IMAGE ENCODING PROGRAM AND IMAGE DECODING PROGRAM, AND COMPUTER READABLE RECORDING MEDIUM RECORDED WITH IMAGE ENCODING PROGRAM AND COMPUTER READABLE RECORDING MEDIUM RECORDED WITH IMAGE DECODING PROGRAM - An image encoder including: a predicted-image generating unit that generates a predicted image in accordance with a plurality of prediction modes indicating predicted-image generating methods; a prediction-mode judging unit that evaluates prediction efficiency of a predicted image outputted from the predicted-image generating unit to judge a predetermined prediction mode; and an encoding unit that subjects an output of the prediction-mode judging unit to variable-length encoding. The prediction-mode judging unit judges, on the basis of a predetermined control signal, which one of a common prediction mode and a separate prediction mode is used for respective color components forming the input image signal, and multiplexes information on the control signal on a bit stream, multiplexes, when the common prediction mode is used, common prediction mode information on the bit stream, and multiplexes, when the common prediction mode is not used, prediction mode information for each of the color components on the bit stream. | 02-05-2009 |
Yoshihisa Yamada, Sunto-Gun JP
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20080215223 | BRAKING CONTROL DEVICE OF VEHICLE - In a braking control device which performs braking control to stabilize vehicle behavior, a driving state switching unit changes a driving state of a vehicle. A slip condition detecting unit detects a slip condition of the vehicle. A braking control permission judging unit determines whether actuation of braking control is permitted. The braking control permission judging unit is arranged so that, if the driving state is changed to a direct-connection four-wheel-drive condition by the driving state switching unit, the braking control permission judging unit permits actuation of braking control when the slip condition detected by the slip condition detecting unit exceeds a predetermined slip condition. | 09-04-2008 |
Yoshihisa Yamada, Shimada JP
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20080197798 | Stepping motor drive - A stepping motor drive is provided, by which a recoil movement of a driven member upon an initialization action can be reduced. The stepping motor drive includes: a drive signal supply means which supplies a plurality of periodic drive signals having different phases from each other to generate a rotation torque in a stepping motor, one electric cycle being constructed by a plurality of excitation steps; a control means which makes the drive signal supply means supply the drive signal upon a initialization action in which a driven member connected with rotation of the stepping motor is made abut against a stopper; and a first storing means which stores a torque control parameter according to an inversion phase characteristic intrinsic to the stepping motor. | 08-21-2008 |
Yoshihisa Yamada, Toyo JP
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20110115656 | DIGITAL SIGNAL CODING METHOD AND APPARATUS, DIGITAL SIGNAL DECODING APPARATUS, DIGITAL SIGNAL ARITHMETIC CODING METHOD AND DIGITAL SIGNAL ARITHMETIC DECODING METHOD - In a bit stream syntax containing compressed video slice data for compressed video data of a slice structure, a slice header for compressed video slice data has attached thereto a slice start code, a register reset flag indicating whether a register value, which designates a status of a codeword occurring in an arithmetic coding process, should be reset in the next transmission unit, an initial register value which indicates a register value to be used to start arithmetic coding/decoding to build/decompose the next transmission unit, only when the register reset flag indicates that the register should not be reset. | 05-19-2011 |
Yoshihisa Yamada, Aichi JP
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20110193977 | VIBRATION COMPENSATION CIRCUIT AND IMAGING DEVICE INCLUDING THE SAME - The present invention comprises: an analog/digital conversion means for converting vibration detection signals output from a vibration detection element that detects vibrations of an imaging device into digital signals; a gyro filter that obtains the amount of movement of the imaging device based on the vibration detection signals digitalized by the analog/digital conversion means; a rotation control means for generating an amount of rotary drive in a stepping motor based on both the current position and amount of movement of an optical component or an imaging element; and a stepping control means for generating and outputting pulse signals that drive the rotation of the stepping motor in each phase according to the amount of rotary drive, wherein the stepping control means enables pulse-width modulation of the ratio between the periods in which high-level pulse signals and low-level pulse signals are respectively applied to the same phase of the stepping motor. | 08-11-2011 |
20120214661 | ZIRCONIA SINTERED BODY, AND MIXTURE, PRE-SINTERED COMPACT AND PRE-SINTERED CALCINED BODY FOR SINTERING ZIRCONIA SINTERED BODY - Provided is a high-strength zirconia sintered body in which the progression of low-temperature degradation is inhibited. The zirconia sintered body contains partially-stabilized zirconia as a matrix phase and contains at least one element from among phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi). The content of the abovementioned element(s) in the zirconia sintered body ranges from 4×10 | 08-23-2012 |
20140328746 | ZIRCONIA SINTERED BODY, ZIRCONIA COMPOSITION AND ZIRCONIA CALCINED BODY, AND DENTAL PROSTHESIS - Zirconia sintered body having similar appearance to natural tooth. On straight line extending in first direction from one end to the other end of zirconia sintered body, when chromaticity (L*, a*, b*) by a L*a*b* colorimetric system of first point positioned in section from the one end to 25% of the whole length is (L1, a1, b1) and chromaticity (L*, a*, b*) by L*a*b* colorimetric system of second point positioned in section from the other end to 25% of whole length is (L2, a2, b2), L1 ranges from 58.0 to 76.0, a1 ranges from −1.6 to 7.6, b1 ranges from 5.5 to 26.3, L2 ranges from 71.8 to 84.2, a2 ranges from −2.1 to 1.8, b2 ranges from 1.9 to 16.0, L1 | 11-06-2014 |
Yoshihisa Yamada, Shinagawa-Ku JP
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20130226631 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, INFORMATION PROCESSING PROGRAM, AND RECORDING MEDIUM - A reservation, where the number of days from a date of reservation to a date of use exceeds the number of days that correspond to a credit period, is accepted as a reservation where settlement by a credit card is designated while maintaining the safety of settlement of usage fee. When a reservation where the number of days from today to a date of use exceeds the number of days of a credit period is requested, an information processing apparatus checks validity of the designated credit card. At this time, if the designated credit card can be confirmed to be valid, the information processing apparatus accepts the reservation and stores information of the designated credit card in a storage means. The information processing apparatus checks the validity of the designated credit card on or after a date on which the number of days from the date to a date of use of a service whose reservation is accepted is the number of the credit days on the basis of the information stored in the storage means. At this time, if the credit card cannot be confirmed to be valid, the information processing apparatus outputs information indicating that a settlement method is changed to a method different from a settlement method performed by using the designated credit card. | 08-29-2013 |
Yoshihisa Yamada, Nagoya-Shi JP
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20150120134 | CHARACTERISTIC CHANGE DETECTION DEVICE FOR STEERING TRANSMISSION SYSTEM - A steering angle zero point detection unit | 04-30-2015 |
20150120139 | CHARACTERISTIC CHANGE DETECTION DEVICE FOR STEERING TRANSMISSION SYSTEM - A steering torque sensor detects steering torque of a steering wheel. A steering angle sensor detects a steering angle of the steering wheel. An abnormality determining unit determines that a characteristic change is caused in the steering transmission system, when it is determined that the steering torque is smaller than or equal to a predetermined value and when the number of times when a difference between target vehicle behavior that is calculated from the steering angle and actual vehicle behavior is larger than or equal to a reference value is larger than or equal to a predetermined number of times during one steering. | 04-30-2015 |
20150120162 | ABNORMALITY DETECTION APPARATUS FOR BRAKING FORCE DETECTOR - A braking force detector detects the braking force of a vehicle or a value based on which the braking force can be calculated. A steering torque sensor detects a steering torque of a steering wheel. A lateral acceleration sensor detects a lateral acceleration of the vehicle. A turning/braking judgment unit judges whether or not the vehicle is braking while turning. When the vehicle has been judged to be braking while turning, an abnormality judgment unit judges based on the steering torque and the lateral acceleration whether or not an abnormality has occurred in the braking force detector. | 04-30-2015 |
20150367701 | SHOCK ABSORBER SYSTEM - A shock absorber system installed on a vehicle having four wheels in which a VSC control for giving a braking force to any of the wheels is to be executed to reduce an improper turning behavior of the vehicle due to an excessive side slip of any of the wheels, including: four hydraulic shock absorbers each configured to generate a damping force with respect to a relative movement of a corresponding sprung and unsprung portion and having a damping-force changer configured to change the damping force; and a controller configured to control the damping force by controlling the damping-force changer and configured such that, when the improper turning behavior of the vehicle occurs, the controller executes a reduction control in which the damping force to be generated by at least one of the four shock absorbers is controlled to reduce the improper turning behavior. | 12-24-2015 |
Yoshihisa Yamada, Miyoshi-Shi JP
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20160074142 | ZIRCONIA SINTERED BODY, ZIRCONIA COMPOSITION, ZIRCONIA PRE-SINTERED BODY AND PREPARING METHOD THEREOF, AND DENTAL PROSTHESIS - A method for preparing a zirconia composition comprises preparing a plurality of powders for lamination; the lamination powders containing zirconia, a stabilizer(s) suppressing phase transition of zirconia and a pigment(s) at respective different pigment content ratios, and laminating the lamination powders in a mold. In the laminating step, the mold is vibrated after at least two lamination powders are charged into the mold. | 03-17-2016 |
20160081777 | ZIRCONIA SINTERED BODY, ZIRCONIA COMPOSITION, ZIRCONIA PRE-SINTERED BODY AND DENTAL PROSTHESIS - A zirconia sintered body is provided in which the strength between layers of powders is improved. A flexural strength of a test sample of the zirconia sintered body, measured pursuant to JISR1601, is not less than 1100 MPa. The test sample is formed by preparing a plurality of zirconia powders, each containing zirconia and a stabilizer that suppresses phase transition of zirconia, the zirconia powders differing in a composition, layering the zirconia powders to form a zirconia composition, and sintering the zirconia composition to form a zirconia sintered body. The flexural strength is measured such that a load point is positioned at a boundary of the zirconia powders, the boundary traversing the test sample of the sintered body along a direction of load application. | 03-24-2016 |