Matumoto
Eishin Matumoto, Shioya-Gun JP
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20140292345 | VOLTAGE DETECTION APPARATUS - A voltage detection apparatus comprises discharge circuits constituted by switch elements and resistors connected in series, and respectively connected in parallel to each of a plurality of battery cells constituting a storage battery, filter circuits provided for the respective battery cells and removing noise contained in voltage inputted by the battery cells, and voltage detection units (D) and (M) which detect voltage of the respective battery cells in which noise is removed by the filter circuits. The voltage detection units correct detection results, based on time from when the switch elements of the discharge circuits change into an OFF state to timing for detecting voltage of the battery cells. With this voltage detection apparatus, it is possible to correct the detection error of the voltage of the battery cell due to the influence of the filter circuit, thus improving the detection accuracy of the voltage of the battery cell. | 10-02-2014 |
Isamu Matumoto, Osaka JP
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20120308781 | METHOD FOR MANUFACTURING THREE-DIMENSIONAL SHAPED OBJECT AND THREE-DIMENSIONAL SHAPED OBJECT - A method for manufacturing a three-dimensional shaped object wherein the warping of the base plate is suitably addressed. The method of the present invention comprises: (i) forming a solidified layer by irradiating a predetermined portion of a powder layer on a base plate with a light beam, thereby allowing sintering of the powder of the predetermined portion or melting and subsequent solidification thereof; and (ii) forming another solidified layer by newly forming a powder layer on the resulting solidified layer, and then irradiating another predetermined portion of the new powder layer with the light beam, the steps (i) and (ii) being repeatedly performed; wherein, prior to or upon the manufacturing of the three-dimensional shaped object, the base plate is subjected to a heat treatment, thereby causing the base plate to be warped, and at least a lower surface of the warped base plate is subjected to a flattening process. | 12-06-2012 |
Kouichi Matumoto, Kyoto JP
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20090179783 | D/A CONVERSION CIRCUIT, ORGANIC EL DRIVE CIRCUIT AND ORGANIC EL DISPLAY DEVICE - A D/A converter of the current switching type has a first current mirror circuit that D/A converts the upper (n−m) digits in n bit data to be converted and a weighting current circuit block or a second current mirror circuit that D/A converts the lower m digits in the data, by cascade connecting the weighting current circuit block or the second current mirror circuit at the upstream or at the downstream side of an output side transistor other than the output side transistors of the first current mirror circuit. In this manner, current flowing through the output side transistor flows as diverting currents to the weighting current circuit block or the second current mirror circuit corresponding to the digit weights of the lower m digits, and the diverting currents are taken out at the outputs of the D/A conversion circuit as analog converted currents of the lower m digits. | 07-16-2009 |
Tadahiko Matumoto, Otsu-Shi JP
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20080253149 | COMPOSITE TRANSFORMER AND INSULATED SWITCHING POWER SOURCE DEVICE - An E-shaped transformer core has a middle leg and one pair of outer legs and on opposite sides with respect to the middle leg. A first pair of coils including at least two coils are wound around the middle leg so that a power transmission transformer unit is formed. The outer leg is divided into two outer leg portions and with a space therebetween allowing coil wiring therebetween, and a second pair of coils including two coils are respectively wound around the respective two outer leg portions and so as to have mutually opposite winding directions, so that a signal transmission transformer unit is formed. | 10-16-2008 |
Takayuki Matumoto, Saga JP
Patent application number | Description | Published |
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20090067120 | MULTI-LAYERED SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING SAME - [Problem] A multi-layered solid electrolytic capacitor and a method of manufacturing the capacitor are provided that achieve an improved production yield as well as improved welding strength and product reliability by preventing sparks and welding burrs that develop during resistance welding. | 03-12-2009 |
20090080144 | MULTI-LAYERED SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING SAME - [Problem] A multi-layered solid electrolytic capacitor and a method of manufacturing the capacitor are provided that make it possible to improve the product yield drastically by preventing increases in leakage current and defects due to short circuits without increasing manufacturing cost or capacitor size. | 03-26-2009 |