Katougi
Hidetaka Katougi, Tokyo JP
Patent application number | Description | Published |
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20080245780 | Electro-Discharge-Machine Machining Condition Optimization Method - A discharge voltage detecting unit | 10-09-2008 |
20090134126 | Electric-discharge machining apparatus and electric-discharge machining method - In an electric-discharge machining apparatus for controlling a machining axis so that an average voltage Vg during a predetermined sampling time Ts agrees with a servo standard voltage SV, the apparatus includes: an electric power supplier | 05-28-2009 |
20130026140 | ELECTRICAL DISCHARGE MACHINE AND ELECTRICAL DISCHARGE MACHINING METHOD - An electrical discharge machine that performs electrical discharge machining on a workpiece by supplying a machining fluid to a machining gap between a machining electrode and the workpiece, the electrical discharge machine including: an air-bubble generation unit that generates air bubbles in the machining fluid; a storage unit that stores therein the machining fluid containing the air bubbles generated by the air-bubble generation unit; and a flow-rate adjustment unit that adjusts a flow rate of the machining fluid that flows in the storage unit, wherein the flow-rate adjustment unit adjusts the flow rate according to a diameter of the air bubbles contained in the machining fluid to be supplied to a machining tank in which the workpiece is placed. | 01-31-2013 |
Hidetaka Katougi, Chiyoda-Ku JP
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20120043303 | WORK MEASURING METHOD, ELECTRIC DISCHARGE MACHINING METHOD, AND ELECTRIC DISCHARGE MACHINING APPARATUS - The present invention includes steps of, determining a search starting position; setting a center position, and a first position and a second position with a distance provided therebetween; obtaining a measurement point group including measurement points of the center position, the first position, and the second position; and determining a measurement point closest to the tip portion in the measurement point group based on positions of the measurement points in a second direction and selecting a position of the measurement point in a first direction as a selected position. When the measurement point group is obtained initially after the determination of the search starting position, the search starting position is set as the center position; and when the measurement point group is obtained after the selection of the selected position, the selected position is set as the center position. The distance is narrowed for every selection of the selected position. | 02-23-2012 |
20130140276 | CONTROLLER OF ELECTRICAL DISCHARGE MACHINE - A controller of an electrical discharge machine comprises: a control unit that controls a machining condition set by the electrical discharge machine; an acquisition unit that acquires a parameter indicating an electrical discharge state between poles in a state where the machining condition is controlled by the control unit so that a normal electrical discharge occurs between the poles; an arithmetic unit that obtains a probability density distribution of the acquired parameter; a decision unit that decides a threshold that specifies a boundary between a normal electrical discharge and an abnormal electrical discharge between the poles based on the obtained probability density distribution; and a discrimination unit that discriminates whether the electrical discharge state between the poles is normal or abnormal by using the decided threshold, and wherein the control unit controls the machining condition based on a discrimination result of the discrimination unit. | 06-06-2013 |
20130206732 | ELECTRIC DISCHARGE MACHINING DEVICE - An electric discharge machining unit that performs electric discharge machining by clamping a target object with a clamper of a clamping device, the electric discharge machining unit including a timer that measures a lapse of a time, which has been set by a user as a preparation time for supporting the target object after an operation of a clamping/unclamping button for clamping or unclamping is detected, and a clamper control unit that causes the clamping device to perform an operation corresponding to the detected operation at a time-out of the timer. | 08-15-2013 |
20130213941 | ELECTRIC DISCHARGE MACHINE AND ELECTRIC DISCHARGE MACHINING METHOD - An electric discharge machine performs a hole machining on a workpiece by applying a voltage between an electrode and the workpiece to generate an electric discharge therebetween and moving the electrode to a position of a command depth. The electric discharge machine comprises: a storage unit; a current-coordinate detection unit; an electric-discharge-voltage detection unit a penetration detection unit; and a calculation unit. The storage unit stores therein a penetration determination voltage, a penetration determining duration, and a first projecting amount. The current-coordinate detection unit detects a current position of the electrode. The electric-discharge-voltage detection unit detects a minimum voltage of the electric discharge for each predetermined period. The penetration detection unit determines the electrode has penetrated through the workpiece. The calculation unit calculates, a position obtained by adding the first projecting amount to the current position of the electrode detected by the current-coordinate detection unit and updates the command depth. | 08-22-2013 |
20130325163 | ELECTRIC DISCHARGE MACHINE - An electric discharge machine includes at least one of a noncontact-position detection sensor that outputs a detection signal when a distance between a first contact body and a second contact body is equal to a preset residual distance in a noncontact phase and a drive unit that detects a load given on the main spindle, and a main-spindle-drive control unit stops moving of the main spindle in at least either a case where a moving amount of the main spindle since the noncontact-position detection sensor outputs the detection signal exceeds the residual distance or a case where it is determined that an overload is given from a detection result of the drive unit. | 12-05-2013 |
20140027409 | ELECTRIC-DISCHARGE MACHINING DEVICE - An electric-discharge machining device including an electric-discharge-state determination unit that determines whether an electric discharging state between a machining electrode and a workpiece is either a state of normal electric discharge or of abnormal electric discharge, and a machining-condition switching unit that changes at least one machining condition, further includes a storage unit that stores therein an electric-discharge-state determination indicator, a standard-deviation calculation unit, and a boundary calculation unit that calculates a boundary to be applied to a determination in the electric-discharge-state determination unit based on the electric-discharge-state determination indicator, wherein the machining-condition switching unit changes the machining condition according to a comparison result between the standard deviation calculated by the standard-deviation calculation unit and a standard deviation reference set as a reference of the standard deviation. | 01-30-2014 |
Junichi Katougi, Higashiibaraki-Gun JP
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20080283234 | Heat sink and method of making same - A heat sink has a heat pipe inside of which a working fluid is filled and which is extended by a predetermined length from a heat source in a heat radiation direction, and a radiation fin having a mountain portion and a valley portion formed in a longitudinal direction of the heat pipe, the mountain portion and the valley portion forming a continuous waveform. The radiation fin further has a step portion for fitting and retaining the heat pipe thereinto. A method of making the heat sink includes shaping the mountain portion and the valley portion on a strip plate member with a thermal conduction property in a longitudinal direction of the plate member to form the radiation fin, placing the radiation fin between an upper mold and a lower mold, wherein the upper mold has a convex member with a same shape as the heat pipe and the lower mold has a step-shaping member for shaping the step portion, pressing the radiation fin by the upper mold and the lower mold to form the step portion on the mountain portion, and fitting and retaining the heat pipe into the step portion. | 11-20-2008 |
Kouzo Katougi, Hitachi JP
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20110315108 | Control Device for Engine - Provided is a control device for an engine which is capable of purifying NOx with high efficiency at a restart after an idle stop without deteriorating purification efficiency of HC and CO. At the restart after the idle stop, an air-fuel ratio is controlled to be rich, and an atmosphere inside of a catalyst is estimated on the basis of a required time ΔT from a time point at which an output value (VO | 12-29-2011 |
Takao Katougi, Fujisawa-Shi JP
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20120079721 | ASSEMBLING METHOD OF BEARING UNIT - There is provided an assembling method of a bearing unit which has a bearing having an outer ring and a retainer plate having a retainer hole for holding the outer ring. The assembling method has pressing a plurality of portions in a circumferential direction of a circumferential edge of an inner circumferential portion of the retainer hole of the retainer plate in an axial direction so as to form engagement pawls and moving the engagement pawls of the retainer plate from one axial end of the outer ring to a engagement groove formed on an outer circumferential surface of the outer ring so as to engage the engagement pawls of the retainer plate with the engagement groove of outer ring. | 04-05-2012 |
Takao Katougi, Kanagawa JP
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20090001245 | BEARING FIXING DEVICE AND BEARING UNIT - A rolling bearing fixing device includes at least one bearing having mutually rotatable inner and outer rings, a housing having at least one fitting hole into which the bearing is fitted and a bolt insertion hole, a pair of fixing plates having at least one large-diameter hole and a bolt insertion hole; and a bolt inserted from one axial end into the bolt insertion hole of one fixing plate, the bolt insertion hole of the housing, and the bolt insertion hole of the other fixing plate, and connects the housing with the pair of fixing plates. Both axial end parts of the outer ring are held by the pair of fixing plates in the axial direction, the inner ring is positioned further inwardly of the large-diameter hole of the fixing plates in the radial direction and the inner ring is rotatable with respect to the fixing plates. | 01-01-2009 |
20090052826 | ROLLING BEARING UNIT FOR ROTATION SUPPORT UNIT - A retainer plate | 02-26-2009 |
20090056135 | ASSEMBLING METHOD OF BEARING UNIT - There is provided an assembling method of a bearing unit which has a bearing having an outer ring and a retainer plate having a retainer hole for holding the outer ring. The assembling method has pressing a plurality of portions in a circumferential direction of a circumferential edge of an inner circumferential portion of the retainer hole of the retainer plate in an axial direction so as to form engagement pawls and moving the engagement pawls of the retainer plate from one axial end of the outer ring to a engagement groove formed on an outer circumferential surface of the outer ring so as to engage the engagement pawls of the retainer plate with the engagement groove of outer ring. | 03-05-2009 |
Terumitsu Katougi, Osaka-Shi JP
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20150213771 | DISPLAY CALIBRATION SYSTEM AND STORAGE MEDIUM - A display calibration system includes: a display section subject to calibration; a correction data outputting section configured to perform a calibration process to determine, for each of the pixels of the display section, correction data for non-uniformity correction; and a first storage section configured to store reference data to be used in the calibration process. The reference data represents, for individual color patches of a first predetermined number, correspondences between RGB values and reference values. The correction data outputting section obtains, on a basis of the reference data and the measurement values of the color patches of a second predetermined number that is less than the first predetermined number, the pieces of correction data with respect to RGB values of the individual color patches of the predetermined second number. With this arrangement, it is possible to shorten a processing time of the calibration process. | 07-30-2015 |
Terumitsu Katougi, Osaka JP
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20110025860 | IMAGE OUTPUT APPARATUS, CAPTURED IMAGE PROCESSING SYSTEM, AND RECORDING MEDIUM - An object extraction section of an image output apparatus determines as an extraction region either (a) a quadrangular region enclosed by a quadrangle in which all internal angles are less than 180° and sides are constituted by 4 edge pixel groups each in the form of a line segment, the 4 edge pixel groups being indicated by edge information, or (b) a polygonal region enclosed by a polygon in which all internal angles are less than 180° and sides are constituted by at least one edge pixel group in the form of a line segment, which edge pixel group is indicated by the edge information, and at least one line segment located on an end portion of the captured image, and then (ii) cuts out, as output target image data, image data of the extraction region from the captured image data. This makes it possible to accurately and easily extract, from a captured image, a region including a rectangular image capture object that a user desires. | 02-03-2011 |