Hiroyasu Sato
Hiroyasu Sato, Minamitsuru-Gun JP
Patent application number | Description | Published |
---|---|---|
20100171511 | MOTOR INSULATION DETERIORATION DETECTION DEVICE - Disclosed is an insulation deterioration detection device that can accurately detect insulation deterioration in multiple motors by a simple circuit configuration. When detecting insulation deterioration, one end A of a smoothing capacitor is connected via a first switch to ground, and the other end B is connected via a second switch to motor windings; in this condition, link voltage is measured by a voltage measuring circuit provided in a converter unit, and the measured link voltage value is transmitted to a microcomputer in each inverter unit via serial communication. Current flowing via motor insulation resistance Z | 07-08-2010 |
20110063122 | NUMERICAL CONTROLLER HAVING A FUNCTION FOR DETERMINING MACHINE ABNORMALITY FROM SIGNALS OBTAINED FROM A PLURALITY OF SENSORS - Signals from a plurality of sensors (vibration sensors, temperature sensors, and humidity sensors) disposed at places on a machine are input through a communication circuit to a numerical controller that controls the machine. The numerical controller uses vibration information, temperature information and humidity information obtained from these sensors to determine whether the machine is in an abnormal state. | 03-17-2011 |
20130221888 | MOTOR DRIVE APPARATUS EQUIPPED WITH DYNAMIC BRAKING CONTROL UNIT - A motor drive apparatus includes an inverter which has an upper and lower arms each provided with a plurality of semiconductor switching devices and free-wheeling diodes connected in reverse parallel with respective ones of the plurality of semiconductor switching devices, wherein the semiconductor switching devices are controlled on and off to convert DC to AC, a short-circuiting unit which includes a selector switch between motor phase windings of a synchronous motor, the selector switch being opened and closed under the control of a command, and a dynamic braking control unit which, upon reception of a dynamic braking start command, performs control so as to turn on all of the semiconductor switching devices provided in either one of the upper and lower arms and to turn off all of the semiconductor switching devices provided in the other arm, and thereafter controls the short-circuiting unit so that the selector switch is closed. | 08-29-2013 |
20140056338 | DATA COMMUNICATION DEVICE THAT CARRIES OUT SERIAL COMMUNICATION IN ORDER TO CONTROL MOTOR - A data reception unit carries out reception of data, which consists of a combination of switching noise resistant states and switching noise nonresistant states, over a fixed serial communication time a plurality of times for each fixed serial communication period same as the one or a plurality of the switching periods. A serial communication time setting unit sets the serial communication time different from one or a plurality of the switching periods, based on the switching period, the serial communication period, and the communication speed of the data communication device, so that the starts of all of the switching periods within the serial communication time are consistent with the time of reception of the switching noise resistant state at the time of at least one of the reception of the data among a plurality of times of the reception of the data. | 02-27-2014 |
Hiroyasu Sato, Machida-Shi JP
Patent application number | Description | Published |
---|---|---|
20100301541 | SHEET PROCESSING APPARATUS - A sheet processing apparatus including: a stapler capable of performing a staple processing for sheets with plural staple modes; and a control section that determines a maximum number of sheets that can be processed in single staple processing with one staple mode of the plural staple modes, wherein the control section determines the maximum number of sheets differing from a maximum number of sheets in another staple mode of the plural staple modes. | 12-02-2010 |
Hiroyasu Sato, Hachioji-Shi JP
Patent application number | Description | Published |
---|---|---|
20120155071 | SURFACE ILLUMINATION METHOD USING POINT LIGHT SOURCE, LINEAR LIGHT SOURCE DEVICE, AND SURFACE ILLUMINATION DEVICE USING LINEAR LIGHT SOURCE DEVICE - A surface illumination device includes: a point light source I having high directionality; a linear light conversion unit II that converts light from the point light source into linear light; a linear light diffusion unit III that diffuses the linear light; and a surface lighting unit IV that is irradiated with diffused light and outputs surface light. The light from the point light source I is converted into the linear light by the linear light conversion unit II. The linear light thus converted is diffused in a predetermined direction by the linear light diffusion unit III. The diffused light is radiated on the surface lighting unit IV to be converted into surface light and radiated. | 06-21-2012 |
20120155083 | LIGHT SOURCE DEVICE, ILLUMINATION DEVICE, AND DISPLAY DEVICE - Disclosed is a light source device ( | 06-21-2012 |
20120268688 | SURFACE LIGHT SOURCE UNIT, SURFACE ILLUMINATION DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE - Provided is a surface light source unit which has a high-directivity point light source and has a decreased thickness in the in the direction in which light is irradiated from said point light source. Also provided are a surface illumination device and a liquid crystal display device. A plurality of small chambers ( | 10-25-2012 |
20130039061 | LIGHT DISPLAY METHOD AND LIGHT DISPLAY DEVICE - [Purpose] A light display method is capable of providing planar light displays of various types of characters with increased degrees of freedom, by using a plurality of point light sources and making light source units interchangeable on a point light source basis. | 02-14-2013 |
20130044480 | SURFACE ILLUMINATION FIXTURE AND SURFACE ILLUMINATION DEVICE - [Purpose] To provide a surface illumination fixture using a point light source having strong directivity. | 02-21-2013 |
20130077345 | PLANAR LIGHT SOURCE DEVICE AND ILLUMINATION APPARATUS - To provide a planar light source device that can provide large-area, uniform, and high-quality planar illumination light. | 03-28-2013 |
20140119028 | LIGHT SOURCE DEVICE AND ILLUMINATION DEVICE INCLUDING THE LIGHT SOURCE DEVICE - An illumination device including a light source device includes a light source being constituted by LED(s); a light source side reflective plate to which the light source is fixed; an emission side reflective plate facing the light source side reflective plate; and a fixing means for fixing the both reflective plates, wherein the emission side reflective plate is formed so that a portion thereof facing the light source has the highest optical reflectance and the lowest optical transmittance while the optical reflectance decreases and the optical transmittance increases farther away from the light source, and the distance between the both reflective plates is greatest at a portion where the light source is disposed, while the distance decreases at portions farther away from the portion where the light source is disposed. Thus the device can supply light in a substantially uniform manner from a light irradiation surface. | 05-01-2014 |
Hiroyasu Sato, Sendai-Shi JP
Patent application number | Description | Published |
---|---|---|
20120168625 | Millimeter Wave Imaging Sensor - A millimeter wave imaging sensor includes a plurality of millimeter wave sensors disposed on one plane intersecting an incoming direction of millimeter waves emitted from a subject. Each of the plurality of millimeter wave sensors includes an antenna portion, a wave detection unit, a transmission path, and a shielding member. Adjacent millimeter wave sensors, among the plurality of millimeter wave sensors, are positioned according to outer peripheral shape of the shielding members of the adjacent millimeter wave sensors. | 07-05-2012 |
Hiroyasu Sato, Numazu-Shi JP
Patent application number | Description | Published |
---|---|---|
20120291764 | ENGINE IGNITION CONTROL DEVICE - An engine ignition control device comprising: a start-up ignition controller having a function for preventing the occurrence of kickback by either delaying an ignition position of an engine or stopping ignition; start-up rotation angle detection means for detecting a rotation angle of a crankshaft of the engine after initiation of a start-up operation of the engine; and switching means for switching control specifics of the start-up ignition controller in accordance with the detected start-up rotation angle so that when the detected start-up rotation angle is less than a set angle, there is created a kickback-preventive effect within a range at which engine startability is not compromised, and when the detected start-up rotation angle is equal to or greater than the set angle, there is created a kickback-preventive effect that is greater than the kickback-preventive effect for when the start-up rotation angle is equal to or less than the set angle. | 11-22-2012 |
Hiroyasu Sato, Kanagawa-Ken JP
Patent application number | Description | Published |
---|---|---|
20130015518 | SEMICONDUCTOR MEMORY DEVICEAANM SATO; HiroyasuAACI Kanagawa-kenAACO JPAAGP SATO; Hiroyasu Kanagawa-ken JPAANM NISHIHARA; KiyohitoAACI Kanagawa-kenAACO JPAAGP NISHIHARA; Kiyohito Kanagawa-ken JPAANM NAWATA; HidefumiAACI Kanagawa-kenAACO JPAAGP NAWATA; Hidefumi Kanagawa-ken JPAANM ICHIGE; MasayukiAACI Kanagawa-kenAACO JPAAGP ICHIGE; Masayuki Kanagawa-ken JPAANM OHBA; RyujiAACI Kanagawa-kenAACO JPAAGP OHBA; Ryuji Kanagawa-ken JP - In general, according to one embodiment, a semiconductor memory device includes active areas extending in a first direction, tunnel films provided on the active areas, floating gate electrodes provided on the tunnel films, an interelectrode insulating film provided on the floating gate electrodes and extending in a second direction, a control gate electrode provided on the interelectrode insulating film and extending in the second direction, a lower insulating portion provided between the active areas, between the tunnel films, and between the floating gate electrodes adjacent in the second direction, and an upper insulating portion provided between the lower insulating portion and the interelectrode insulating film. The lower insulating portion includes a void. Relative dielectric constant of the upper insulating portion is higher than that of the lower insulating portion. Relative dielectric constant of the interelectrode insulating film is higher than that of the upper insulating portion. | 01-17-2013 |
20130214342 | NONVOLATILE SEMICONDUCTOR STORAGE DEVICE AND METHOD OF MANUFACTURE THEREOF - A nonvolatile semiconductor storage device includes a semiconductor substrate including a protruding active area, a gate insulating layer on the active area, floating gate electrodes on the gate insulating layer, an insulating layer on the floating gate electrodes extending in a row direction, and a control gate electrode on the insulating layer extending in the row direction. The floating gate electrodes include a semiconductor layer on the gate insulating layer and a metal layer on the semiconductor layer. The width of the semiconductor layer of the floating gate electrodes in the row direction is narrower than the width of the metal layer in the row direction. | 08-22-2013 |
Hiroyasu Sato, Mie-Ken JP
Patent application number | Description | Published |
---|---|---|
20150069487 | SEMICONDUCTOR MEMORY DEVICE AND METHOD FOR MANUFACTURING THE SAME - A semiconductor memory device according to an embodiment includes a semiconductor substrate, a first insulating film provided on the semiconductor substrate, a plurality of first electrodes provided on the first insulating film, a second insulating film provided on a side surface of the first electrodes and on an upper surface of the first electrodes, and a second electrode insulated from the first electrodes by the second insulating film. The second electrode includes an interconnect portion provided on the second insulating film, and a downward-extending portion extending into a space between the first electrodes from the interconnect portion. A lower end portion of the downward-extending portion is not covered with the second insulating film. | 03-12-2015 |
Hiroyasu Sato, Yamanashi JP
Patent application number | Description | Published |
---|---|---|
20150194922 | MOTOR DRIVE DEVICE INCLUDING INSULATION DETERIORATION DETECTION FUNCTION AND INSULATION RESISTANCE DETECTION METHOD OF MOTOR - A motor drive device of the present invention includes: a rectification circuit configured to rectify an AC voltage; a power source unit configured to smooth a DC voltage by a capacitor; an inverter unit configured to drive a motor by converting a DC voltage into an AC voltage; a current detection unit configured to measure a current flowing through a resistor which is connected to a coil of the motor and the capacitor; a voltage detection unit configured to measure a value of a voltage across the capacitor; a second switch that grounds the capacitor; and an insulation resistance detection unit configured to detect an insulation resistance value of a motor by using two sets of a current value and a voltage value measured in two states where the second switch is turned off and turned on. | 07-09-2015 |