Patents Assigned to Mitsubishi Electronic Corporation
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Publication number: 20240134028Abstract: A MIMO radar signal processing device includes a plurality of matched filter banks to receive reception signals from a plurality of reception antennas and transmission signals from a plurality of transmission signal generating units and output matched filter outputs serving as vector elements of reception signal vectors, and a bidirectional angle measuring unit to obtain a bidirectional measured angle value constituted by a direction-of-departure and a direction-of-arrival in the reception signal vector of interest corresponding to a range Doppler cell given in target detection processing among the reception signal vectors for the matched filter outputs output from the plurality of matched filter banks.Type: ApplicationFiled: December 22, 2023Publication date: April 25, 2024Applicant: Mitsubishi Electronic CorporationInventor: Ryuhei TAKAHASHI
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Patent number: 10708586Abstract: A parallel processing starting unit 3 that partitions an inputted image into tiles each having a predetermined size, and distributes tiles obtained through the partitioning, and N tile encoding units 5-1 to 5-N each of that carries out a prediction difference encoding process on a tile distributed thereto by the parallel processing starting unit 3 to generate a local decoded image are disposed, and each of N tile loop filter units 7-1 to 7-N determines a filter per tile suitable for a filtering process on the local decoded image generated by the corresponding one of the tile encoding units 5-1 to 5-N, and carries out the filtering process on the local decoded image by using the filter.Type: GrantFiled: November 19, 2019Date of Patent: July 7, 2020Assignee: MITSUBISHI ELECTRONIC CORPORATIONInventors: Ryoji Hattori, Akira Minezawa, Yusuke Itani, Kazuo Sugimoto, Shunichi Sekiguchi, Yoshimi Moriya, Norimichi Hiwasa
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Publication number: 20190363659Abstract: Provided is a rotary electrical machine, which is reduced in size of a motor through use of reluctance torque being a feature of an IPM motor, and in which, in driving in times other than a rated time, a current phase angle is shifted from an angle at which a total torque is maximized so that an increase in torque ripple is suppressed even when the current phase angle changes, to thereby provide characteristics of small size, high output, and low torque ripple.Type: ApplicationFiled: February 16, 2017Publication date: November 28, 2019Applicant: Mitsubishi Electronic CorporationInventors: Yuji TAKIZAWA, Yu HIROTANI, Masafumi OKAZAKI, Satoru AKUTSU
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Patent number: 10355082Abstract: A third dummy trench (11) is orthogonal to the first and second dummy trenches (9,10) in the dummy cell region of a substrate end portion. An interlayer insulating film (13) insulates the p-type diffusion layer (3,4) in the dummy cell region of a substrate center portion situated between the first and second dummy trenches (9,10) from the emitter electrode (14). The third dummy trench (11) separates the p-type diffusion layer (3,4) in the dummy cell region of the substrate center portion from the p-type diffusion layer (3,4,15) in the dummy cell region of the substrate end portion connected to the emitter electrode (14). A p-type well layer (15) is provided deeper than the third dummy trench (11) in the substrate end portion. The third dummy trench (11) is provided closer to a center of the n-type substrate than the p-type well layer (15).Type: GrantFiled: August 19, 2015Date of Patent: July 16, 2019Assignee: Mitsubishi Electronic CorporationInventors: Tomohito Kudo, Yoshihumi Tomomatsu, Hideki Haruguchi, Yasuo Ata
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Patent number: 10288245Abstract: An illumination device includes a light source; a light condensing element for concentrating light from the light source onto a light concentration position; a plate for receiving light from the light condensing element and transmitting such light; a phosphor element for receiving light from the light source at the light concentration position; and a lens for projecting light from the plate. The plate is configured to rotate about an axis perpendicular to an optical axis of the lens to shift the light concentration position, which is between the plate and the lens, in a direction perpendicular to the optical axis of the lens.Type: GrantFiled: June 14, 2016Date of Patent: May 14, 2019Assignee: MITSUBISHI ELECTRONIC CORPORATIONInventors: Akihiro Yamada, Masatoshi Nishimura, Jun Kondo
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Patent number: 10166631Abstract: A laser processing head apparatus with a camera monitor includes a light source for illumination having a near-infrared laser diode that generates a near-infrared laser beam of which upper limit value is a wavelength of a laser beam for processing, and out of processing point-emitted light, a processing point-reflected laser beam and illumination light for imaging, which have passed through a condensed lens and a laser beam reflection mirror and are directed to the camera respectively. An optical filter blocks transmission of the processing point-emitted light and the processing point-reflected laser beam, and transmits the illumination light for imaging.Type: GrantFiled: March 2, 2015Date of Patent: January 1, 2019Assignee: MITSUBISHI ELECTRONIC CORPORATIONInventors: Kazuki Kuba, Naoyuki Nakamura, Akihiro Ueno
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Patent number: 9869869Abstract: Each pixel of a multiple view liquid crystal display in a normally black mode includes a counter electrode provided with a slit for generating a fringe electric field. An alignment film subjected to liquid crystal alignment processing in a predetermined direction is disposed on a surface of a TFT substrate provided with the counter electrode. An angle formed by an extending direction of a slit at an end of a pixel region (a first region) and a direction of the liquid crystal alignment processing is greater than an angle formed by the extending direction of the slit in a central part of the pixel region (a second region) and the direction of the liquid crystal alignment processing. The first region has a higher transmittance than that in the second region when low luminance display is carried out.Type: GrantFiled: February 5, 2014Date of Patent: January 16, 2018Assignee: Mitsubishi Electronic CorporationInventors: Shingo Nagano, Yoshimitsu Ishikawa, Tetsuya Satake
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Publication number: 20170217724Abstract: An elevator device includes: a controller and an emergency terminal speed-limiting device to decelerate a car when speed of the car within a predetermined certain distance from an terminal end section of a shaft is detected to have reached or exceeded an overspeed reference. The overspeed reference is set smaller as a distance of the car from the terminal end section of the shaft decreases. The controller includes: a lower deceleration limit determination controller to determine a lower deceleration limit at which the speed of the car is caused to be at or below the overspeed reference, based on a position and a speed of the car within the certain distance from the terminal end section of the shaft, and a deceleration controller to control deceleration of the car within the certain distance, in a range greater than the lower deceleration limit determined by the lower deceleration limit determination unit.Type: ApplicationFiled: September 9, 2014Publication date: August 3, 2017Applicant: Mitsubishi Electronic CorporationInventors: Masunori SHIBATA, Takuo KUGIYA
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Patent number: 9226221Abstract: A mobile communication system hybridly allows, in a case where an access group consisting of one or more user equipments and one or more base stations is registered, the base station included in the access group to have access in a closed mode from the user equipment included in the same access group and access in an open mode from a user equipment that is not included in the same access group, wherein a communication area of the base station in the open mode is identical to a communication area of the base station in the closed mode. This eliminates a communication area in which the base station serving as an access destination differs between the user equipment in the closed mode and the user equipment in the open mode.Type: GrantFiled: September 15, 2010Date of Patent: December 29, 2015Assignee: Mitsubishi Electronic CorporationInventors: Mitsuru Mochizuki, Miho Maeda, Yasushi Iwane, Yuji Kakehi, Masayuki Nakazawa, Taisei Suemitsu
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Patent number: 8981704Abstract: Provided are a motor controller for suppressing a torque pulsation with a simple configuration and obtaining a sufficient output torque in the case of an open-type fault occurring in any one of windings of a motor and inverters, and an electric power steering device using the motor controller. In the motor controller for controlling a current supplied from and a voltage applied from a power source with respect to the motor including winding sets of a plurality of systems, when a fault determination unit (31) determines the occurrence of the open-type fault, the supply of the currents to the windings of one of the systems in which the fault has occurred is stopped by control performed on switching elements included in the inverter of the faulty system, whereas the supply of the currents to the windings of the normal system in which the fault has not occurred is continued.Type: GrantFiled: February 21, 2013Date of Patent: March 17, 2015Assignee: Mitsubishi Electronic CorporationInventors: Masaya Endo, Isao Kezobo, Yoshihiko Kimpara, Jiro Okada
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Patent number: 8854053Abstract: Provided is an apparatus for analyzing the state of oil-filled electrical devices. The apparatus simulates the state of an oil-filled electrical device in which copper wire wrapped in insulating paper is immersed in insulating oil. The apparatus for analyzing the state of oil-filled electrical devices includes a first paper-covered copper wire and a second paper-covered copper wire, which are adjacent to each other; a tank which holds the first and second paper-covered copper wires as well as insulating oil extracted from the oil-filled electrical device, thereby immersing the first and second paper-covered copper wires in the insulating oil; and a capacitance measurement unit which measures the capacitance between the first and second paper-covered copper wires. The first and second paper-covered copper wires includes copper wire and insulating paper wrapped therearound.Type: GrantFiled: March 31, 2010Date of Patent: October 7, 2014Assignee: Mitsubishi Electronics CorporationInventor: Noboru Hosokawa
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Publication number: 20140233839Abstract: An interference checking device includes a contour shape analyzing unit that extracts a contour shape of a tool cross section and a tool length by analyzing a two-dimensional image of a rotating tool, a rotation center analyzing unit that obtains a rotation center of the rotating tool by analyzing the contour shape, a three-dimensional-rotation-shape generating unit that generates a three-dimensional shape of the rotating tool on the basis of the contour shape, the tool length, and the rotation center, and an interference check processing unit that checks whether the rotating tool and a component other than the rotating tool interfere with each other when numerical control machining is performed on a workpiece by using the rotating tool, by using the three-dimensional shape, in which the three-dimensional-rotation-shape generating unit generates the three-dimensional shape by using a left-side contour shape.Type: ApplicationFiled: February 21, 2013Publication date: August 21, 2014Applicant: Mitsubishi Electronic CorporationInventors: Toshiyuki Morita, Nobuyuki Takahashi, Tadahiro Otsuka
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Patent number: 8744033Abstract: An object of the invention is to embody a small and inexpensive passage selector, which can be applied by commonly using an index device even if the number of detector passages is changed, and which is easy to make inspection and maintenance. The passage selector of a reactor in-core nuclear-measuring apparatus of the invention includes: a drive motor; an index device that is driven by the drive motor and that makes a rotary output of a predetermined index number; a central rotating shaft that is driven to rotate by the index device and that causes a passage selecting guide tube to be located in opposition to any detector passage; and a speed-increasing and decreasing device that is interposed between an output shaft of the index device and the central rotating shaft, and that adjusts the index number of the central rotating shaft.Type: GrantFiled: November 14, 2008Date of Patent: June 3, 2014Assignee: Mitsubishi Electronic CorporationInventors: Kenji Oosaka, Masami Yodogawa
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Patent number: 8737285Abstract: A data relay system includes: a master that functions as a master station of TDMA; slaves that function as slave stations of the TDMA; and REPs that relay communication between the master and the slaves, function as slave stations in a higher-level TDMA system, and function as master stations in lower-level TDMA systems. The master allocates, as a statically allocated time, an operating time once to each of the TDMA systems, sets, as a dynamically allocated time, a time obtained by excluding the statically allocated time from an allocated period, and allocates, based on communication states in the statically allocated time, the dynamically allocated time as operating times of the lower-level TDMA systems.Type: GrantFiled: September 24, 2009Date of Patent: May 27, 2014Assignee: Mitsubishi Electronic CorporationInventors: Kazuumi Koguchi, Katsushige Manabe
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Patent number: 8677436Abstract: It is the object of the present invention to provide a stereoscopic video distribution system, a stereoscopic video distribution method, a stereoscopic video distribution apparatus, a stereoscopic video viewing system, a stereoscopic video viewing method, and a stereoscopic video viewing apparatus. In the stereoscopic video distribution system according to this invention, stereoscopic video signals provided by a plurality of video distribution source servers for distributing stereoscopic videos are once received by a transcoding server, so that the stereoscopic video signals can be reproduced by a BD player and a TV for stereoscopic viewing.Type: GrantFiled: April 26, 2010Date of Patent: March 18, 2014Assignee: Mitsubishi Electronic CorporationInventors: Masato Nagasawa, Yuichiro Haruyama
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Patent number: 8648513Abstract: A permanent magnet type rotating electric machine includes: a rotor including a rotor core having a polygonal shape and a plurality of permanent magnets; and a stator including a stator core and armature windings, in which, when the number of poles is M, the number of slots is N, M permanent magnets are sequentially numbered from first to M-th in a circumferential direction, and a positional shift amount in the circumferential direction from a corresponding one of equiangularly arranged reference positions, each being at the same radial distance from a center of a rotating shaft, for an i-th (i=1, 2, . . . , M) permanent magnet is hi, M unit vectors in total, each being in an angular direction of 2?N(i?1)/M (rad), are defined, and a sum of M vectors obtained by multiplying the unit vectors respectively by the positional shift amount hi is smaller than a maximum value of an absolute value of the positional shift amount hi.Type: GrantFiled: September 26, 2008Date of Patent: February 11, 2014Assignee: Mitsubishi Electronics CorporationInventors: Masatsugu Nakano, Kazuhisa Takashima, Satoru Akutsu, Yoshihito Asao
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Patent number: 8628002Abstract: A packing box comprising a rectangular bottom plate and a plurality of side plates erected from the periphery of the bottom plate and surrounding the bottom plate, in which at four corners in corner parts formed by the plurality of side plates, frame columns, each erected from the bottom plate side and extending to the midway to a distal end of the side plates, are formed and joined to the side plates, and the bottom plate, the side plates, and the frame columns are formed by one corrugated fiberboard sheet.Type: GrantFiled: January 14, 2009Date of Patent: January 14, 2014Assignee: Mitsubishi Electronic CorporationInventors: Masahiro Yamazaki, Katsuhiko Hayashida, Masaomi Takeda, Akihisa Yokoyama
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Patent number: 8614613Abstract: A transformer includes a tank that is attached under a floor of a vehicle, the tank being for housing an iron core, a coil, and an insulating liquid, thereby immersing the iron core and the coil in the insulating liquid; and a cooling unit for air-cooling the insulating liquid that has flowed from tank and returning the insulating liquid to tank, the cooling unit including a plurality of pipes arranged to be spaced from one another such that a spacing in a region relatively closer to floor of the vehicle is greater than a spacing in a region relatively away from floor of the vehicle.Type: GrantFiled: June 23, 2009Date of Patent: December 24, 2013Assignee: Mitsubishi Electronic CorporationInventors: Toshihiro Noda, Koji Kise
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Patent number: 8604658Abstract: A permanent magnet type rotating electric machine includes: a rotor including a rotor core having a polygonal shape and a plurality of permanent magnets; and a stator including a stator core and armature windings, in which, when the number of poles is M, the number of slots is N, M permanent magnets are sequentially numbered from first to M-th in a circumferential direction, and a positional shift amount in the circumferential direction from a corresponding one of equiangularly arranged reference positions, each being at the same radial distance from a center of a rotating shaft, for an i-th (i=1, 2, . . . , M) permanent magnet is hi, M unit vectors in total, each being in an angular direction of 2?N(i?1)/M (rad), are defined, and a sum of M vectors obtained by multiplying the unit vectors respectively by the positional shift amount hi is smaller than a maximum value of an absolute value of the positional shift amount hi.Type: GrantFiled: September 26, 2008Date of Patent: December 10, 2013Assignee: Mitsubishi Electronics CorporationInventors: Masatsugu Nakano, Kazuhisa Takashima, Satoru Akutsu, Yoshihito Asao
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Patent number: D725252Type: GrantFiled: January 28, 2014Date of Patent: March 24, 2015Assignee: Mitsubishi Electronic CorporationInventors: Shingo Hamada, Hiroshi Yoshikawa, Katsumi Shibayama, Noriko Semii, Katsuhiro Tozuka, Hiroaki Makino