Patents Assigned to Toshiba Mitsubishi-Electric Indus. Sys. Corp.
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Publication number: 20120118609Abstract: An electrode base in which a lead wire made of aluminum is bonded to a surface of a glass substrate that is a thin-film base having a plate thickness of about 0.7 to 2.0 mm, by using an ultrasonic bonding method. An external lead-out electrode made of copper is formed so as to extend from a surface of one end portion of the lead wire to a region outside the glass substrate. The lead wire functions as an internal signal receiver, and the external lead-out electrode has an external signal transmission function.Type: ApplicationFiled: June 23, 2009Publication date: May 17, 2012Applicant: Toshiba Mitsubishi-Electric Indus. Sys. Corp.Inventors: Akio Yoshida, Masahisa Kogura
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Publication number: 20120112187Abstract: The present method of forming a metal oxide film can increase production efficiency while maintaining the low resistance of the metal oxide film. The present method of forming a metal oxide film includes first misting a solution containing a metallic element and ethylenediamine; meanwhile, heating a substrate; and then, supplying the misted solution onto a first main surface of the substrate.Type: ApplicationFiled: September 2, 2009Publication date: May 10, 2012Applicants: KYOTO UNIVERSITY, TOSHIBA MITSUBISHI-ELECTRIC INDUS. SYS. CORP.Inventors: Hiroyuki Orita, Takahiro Shirahata, Akio Yoshida, Shizuo Fujita, Naoki Kameyama, Toshiyuki Kawaharamura
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Publication number: 20120086269Abstract: An uninterruptible power supply system includes a plurality of uninterruptible power supply devices (U1 to U3) connected in parallel between a commercial AC power supply (70) and a load (71); and a control unit (5) selecting the required number of uninterruptible power supply devices for driving the load (71) from the plurality of uninterruptible power supply devices (U1 to U3), to cause each selected uninterruptible power supply device to be operated and to cause each remaining uninterruptible power supply device to be stopped. This control unit (5) changes the uninterruptible power supply devices to be operated from one to another in a predetermined cycle such that the plurality of uninterruptible power supply devices (U1 to U3) are identical in operation time to one another. Accordingly, the continuous operation time of each of the uninterruptible power supply devices can be shortened, so that failures occurring in each uninterruptible power supply device can be reduced.Type: ApplicationFiled: May 18, 2010Publication date: April 12, 2012Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUS. SYS. CORP.Inventors: Toshihide Nakano, Kazunori Sanada
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Publication number: 20120051103Abstract: A power converter converts DC power supplied from a first DC power supply and a second DC power supply into AC power and supplies the AC power to a load. The power converter includes a protection circuit for allowing a charging current, which is possibly to flow from the first DC power supply and the second DC power supply to a first snubber capacitor or a second snubber capacitor, to flow to another current path, when a voltage applied to the first snubber capacitor becomes a predetermined value or more or when a voltage applied to the second snubber capacitor becomes a predetermined value or more.Type: ApplicationFiled: April 27, 2009Publication date: March 1, 2012Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUS SYS. CORP.Inventors: Yasuhiko Hosokawa, Toshifumi Ise, Hirotake Nakaji
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Publication number: 20120019070Abstract: An uninterruptible power supply device including a rectifier circuit rectifying output power of an inverter. At a first startup of the inverter, output power of the rectifier circuit is supplied to an electric double-layer capacitor. At second and subsequent startups of the inverter, output power of one of a converter and the rectifier circuit is selectively supplied to the electric double-layer capacitor. Therefore, by controlling the inverter, the electric double-layer capacitor can be precharged easily with a simple configuration.Type: ApplicationFiled: May 29, 2009Publication date: January 26, 2012Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUS. SYS. CORP.Inventors: Kazumasa Matsuoka, Katsumi Ikeda
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Publication number: 20120013193Abstract: In an uninterruptible power supply system, control sections of three uninterruptible power supply units are connected to one another by communication cables to configure one integrated control unit. The integrated control unit brings three switches into conduction if a bias feeding mode is selected by one arbitrary operation section and brings three switches into conduction if an inverter feeding mode is selected. Therefore, there is no need to separately provide an operation section and a control section for operating and controlling all of the uninterruptible power supply units.Type: ApplicationFiled: April 17, 2009Publication date: January 19, 2012Applicant: Toshiba Mitsubishi-Electric Indus. Sys. Corp.Inventors: Eduardo Kazuhide Sato, Masahiro Kinoshita, Yushin Yamamoto, Tatsuaki Amboh
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Publication number: 20120004757Abstract: A certain embodiment includes a setting calculator (31), an energy use calculator (32), a manufacturing carbon dioxide emission amount calculator (33), and an optimizer (35). The setting calculator (31) operates to depend on an initial size, an initial temperature, and a target temperature of a rolling material (120), to calculate a control setting value for services of a hot rolling mill (100) to mill the rolling material (120). The energy use calculator (32) operates to depend on a control setting value, to calculate a use of energy as a necessary energy for services of the hot rolling mill (100) to mill the rolling material (120). The manufacturing carbon dioxide emission amount calculator (33) operates to depend on a carbon dioxide emission coefficient and a use of energy, to calculate an emission amount of carbon dioxide emitted at the hot rolling mill (100).Type: ApplicationFiled: March 13, 2009Publication date: January 5, 2012Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUS. SYS. CORP.Inventors: Hiroyuki Imanari, Kazutoshi Kitagoh
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Publication number: 20110299307Abstract: An uninterruptible power supply apparatus includes a cooler cooling a converter/chopper circuit and a cooler cooling a PWM inverter. The converter/chopper circuit and the cooler make up one integrated unit. Accordingly, a smaller apparatus can be achieved, compared with a conventional apparatus in which a cooler is provided for each of a converter and a chopper.Type: ApplicationFiled: March 18, 2009Publication date: December 8, 2011Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUS. SYS. CORP.Inventors: Eduardo Kazuhide Sato, Masahiro Kinoshita, Yushin Yamamoto, Tatsuaki Amboh
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Publication number: 20110254517Abstract: A control device of a self-excited reactive power compensation apparatus controls a reactive current output from a self-excited converter to a power system. The control device includes a first reference generating unit, a second reference generating unit, and a selecting unit. The first reference generating unit generates a first voltage reference of an output voltage output from the self-excited converter, such that the reactive current detected by a reactive current detecting unit follows a current reference. The second reference generating unit generates a second voltage reference of the output voltage output from the self-excited converter, such that a value of the reactive current becomes a predetermined value. The selecting unit selects a maximum value from the first and second voltage references.Type: ApplicationFiled: November 12, 2008Publication date: October 20, 2011Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUS. SYS. CORP.Inventors: Naoki Morishima, Kotaro Higashi
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Publication number: 20110256942Abstract: Provided is a power transmission device in which leakage of an electromagnetic wave between a space (1) and a space (2) can be suppressed. The power transmission device includes an electromagnetic wave-shielding wall (10) partitioning the space (1) and the space (2), a rotating shaft (20) penetrating through the electromagnetic wave-shielding wall (10) to transmit rotating drive force, and a bearing (80) supporting the rotating shaft (20). The rotating shaft (20) includes a first shaft member (30) pivotally supported by the bearing (80), a shaft joint part (50) provided on an end (31) of the first shaft member (30), and a second shaft member (40) rotating together with the first shaft member (30). The first shaft member (30) and the second shaft member (40) are formed of a conductive material, and the shaft joint part (50) has an insulating part (51) formed of an insulating material.Type: ApplicationFiled: November 14, 2008Publication date: October 20, 2011Applicant: Toshiba Mitsubishi-Electric Indus. SYS. CORP.Inventors: Junji Ohtsuka, Kazuhiko Nishimiya, Hideki Miura, Yasushi Koyama
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Publication number: 20110251003Abstract: A power transmission device includes an electromagnetic wave-shielding wall partitioning a first space and a second space adjacent to the first space and blocking propagation of an electromagnetic wave between the first space and the second space. The power transmission device also includes a first pulley arranged within the first space and a second pulley arranged within the second space. The power transmission device also includes a belt placed on the first pulley and the second pulley and extending through the electromagnetic wave-shielding wall to transmit rotational driving force between the first space and the second space. From the electromagnetic wave-shielding wall a hollow tubular member is protruded and allows the first space and the second space to communicate with each other. The belt extends through the inside of the tubular member.Type: ApplicationFiled: December 19, 2008Publication date: October 13, 2011Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUS. SYS. CORP.Inventors: Kazuhiko Nishimiya, Hideki Miura
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Publication number: 20110181220Abstract: A synchronous machine starting device includes a power conversion unit for converting supplied power into AC power and supplying the AC power to an armature of a synchronous machine, an AC voltage detection unit for detecting AC voltage supplied to the armature of the synchronous machine, a rotor position detection unit for detecting a rotor position of the synchronous machine, based on the detected AC voltage, and a power conversion control unit for controlling the power conversion portion, based on the detected rotor position.Type: ApplicationFiled: October 1, 2008Publication date: July 28, 2011Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUS. SYS.CORP.Inventors: Shinzo Tamai, Yosuke Fujii, Akinobu Ando, Yasuhiko Hosokawa
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Publication number: 20110147543Abstract: A wire holder is provided which allows for reduced number of process steps required in bundling wires. The wire holder is for relative alignment of a plurality of wires upon bundling the wires, and includes a plurality of wall portions formed rotationally symmetric to one another, provided to project in a direction orthogonal to an axis O serving as a rotation symmetry axis, and extending along the axis O. Between opposite ones of the wall portions, recesses each having an arc shape in cross section are formed to hold the wires. Each of the recesses has a span length of not less than 85% of the diameter of each of the wires. By fitting the wires into the recesses and arranging them along the rotation symmetry axis, the wires can be aligned.Type: ApplicationFiled: September 30, 2008Publication date: June 23, 2011Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUS. SYS. CORP.Inventor: Toshiro Koga
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Publication number: 20110143053Abstract: A method of forming a zinc oxide film or a magnesium zinc oxide film which has a high transmittance. The method of forming a zinc oxide film or a magnesium zinc oxide film includes (A) converting a solution containing zinc, or zinc and magnesium into mist, (B) heating a substrate, and (C) supplying the solution converted into mist, and ozone to a first main surface of the substrate under heating.Type: ApplicationFiled: September 24, 2008Publication date: June 16, 2011Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUS. SYS.CORPInventors: Takahiro Shirahata, Hiroyuki Orita, Akio Yoshida, Masahisa Kogura
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Publication number: 20110127837Abstract: A power conversion apparatus includes an inverter for converting DC power to AC power for supply to a load, a converter for converting AC power from an AC power supply to DC power for supply to the inverter, a DC voltage converter for converting a voltage value of power stored in a storage battery to supply DC power from the storage battery to the inverter when power supply from the AC power supply is faulty, and a filter including a reactor and a capacitor, for removing harmonics generated by the inverter. The inverter includes a three-level circuit which is a multi-level circuit.Type: ApplicationFiled: July 30, 2008Publication date: June 2, 2011Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUS. SYS. CORP.Inventors: Eduardo Kazuhide Sato, Masahiro Kinoshita, Yushin Yamamoto, Tatsuaki Amboh
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Publication number: 20110103106Abstract: In a power conversion device, reactors in an AC input filter absorbing a voltage at a carrier frequency of a PWM converter and reactors in an AC output filter absorbing a voltage at a carrier frequency of a PWM inverter include one six-leg six-phase iron core reactor. Accordingly, the device can be reduced in size when compared with a case where the reactors are composed of two four-leg six-phase iron core reactors.Type: ApplicationFiled: July 30, 2008Publication date: May 5, 2011Applicants: TOSHIBA MITSUBISHI-ELECTRIC INDUS. SYS. CORP., KOBE ELECTRIC INDUSTRY INC.Inventors: Eduardo Kazuhide Sato, Masahiro Kinoshita, Yushin Yamamoto, Tatsuaki Amboh, Yasuhiro Yabunishi
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Publication number: 20110051478Abstract: A three-level PWM converter (3) includes first to third fuses (F1R to F3R) having one terminals connected to a DC positive bus (13), a DC negative bus (14) and a DC neutral point bus (15), respectively, first and second IGBT elements (Q1R, Q2R) connected between respective ones of the other terminals of the first and second fuses (F1R, F2R) and an AC line (RL), an AC switch (Q3R, Q4R, D3R, D4R) connected between the AC line (RL) and the other terminal of the third fuse (F3R), first and second diodes (D1R, D2R) connected in anti-parallel to the first and second IGBT elements (Q1R, Q2R) respectively, a first capacitor (C1R) connected between the other terminals of the first and third fuses (F1R, F3R), and a second capacitor (C2R) connected between the other terminals of the second and third fuses (F2R, F3R).Type: ApplicationFiled: February 20, 2009Publication date: March 3, 2011Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUS. SYS. CORP.Inventors: Eduardo Kazuhide Sato, Masahiro Kinoshita, Yushin Yamamoto, Tatsuaki Amboh
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Publication number: 20110049991Abstract: In an uninterruptible power supply apparatus, a common mode current flowing from nodes (N1 to N3) to a line of a ground voltage (GND) through a stray capacitance (41) of a battery (40) is limited by a common mode reactor (34), and the low-level common mode current passing through the common mode reactor (34) is caused to flow to a virtual neutral line (NL) through a common mode capacitor (37). Therefore, the level of noise caused by the common mode current can be reduced.Type: ApplicationFiled: March 5, 2009Publication date: March 3, 2011Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUS. SYS. CORP.Inventors: Eduardo Kazuhide Sato, Masahiro Kinoshita, Yushin Yamamoto, Tatsuaki Amboh
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Publication number: 20110047218Abstract: First and second stations have first and second memory elements (2, 3) for storing first and second shared data, respectively, and a data transfer system (DT1) includes third and fourth memory elements (CM 12, CM 14) for storing third and fourth shared data, respectively, first and second transfer period determiner (CNT 90, CNT 92), a first transfer element (26a) working to operate in accordance with the first transfer period to have the second shared data stored in the fourth memory element (CM 14) and operate in accordance with the second transfer period to have the first shared data stored in the third memory element (CM 12), a second transfer element (26b) working for transfer of shared data between the fourth memory element (CM 14) and the third memory element (CM 12), and a third transfer element (26c) working to operate in accordance with the second transfer period to have the fourth shared data stored in the second memory element (3) and operate in accordance with the first transfer period to have theType: ApplicationFiled: December 25, 2007Publication date: February 24, 2011Applicants: TOSHIBA MITSUBISHI-ELECTRIC INDUS. SYS. CORP., KABUSHIKI KAISHA TOSHIBAInventors: Akira Nojima, Yuuji Umeda
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Publication number: 20110041768Abstract: A heat equalizer includes a container structure having a heating block in which a working fluid is held for heating and vaporizing a material to be heated, a heater placed at the bottom of the container structure, and a material feed pipe allowing the outside and the inside of the container structure to communicate with each other. In the heating block, as a flow path in which the material to be heated flows, a main header pipe connected to the material feed pipe and extending in the horizontally, and a riser pipe branching from the main header pipe and extending vertically are formed. As a condensation path in which the working fluid is cooled and condensed, condensation holes formed respectively on the opposite sides of the riser pipe and extending horizontally, and a condensation pit formed under the riser pipe are formed. Between the condensation holes and the condensation pit, the main header pipe is placed.Type: ApplicationFiled: April 11, 2008Publication date: February 24, 2011Applicants: National University Corporation Tohoku University, Toshiba Mitsubishi-Electric Indus. Sys. Corp.Inventors: Tadahiro Ohmi, Masafumi Kitano, Hisaaki Yamakage, Yoshihito Yamada