Patents Assigned to Mitsubishi Electrics Corporation
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Publication number: 20120222719Abstract: A solar battery module includes a first cell line formed by arraying a plurality of solar battery cells in a first direction, a first inter-cell lead that connects the solar battery cells in the first cell line in an array direction, a second cell line formed by arraying the solar battery cells in parallel to the first cell line, a second inter-cell lead that connects the solar battery cells forming the second cell line in an array direction, and an inter-line lead that extends in a direction perpendicular to the first direction and electrically connects the first inter-cell lead and the second inter-cell lead, in which at least a portion of the inter-line lead overlaps the solar battery cell.Type: ApplicationFiled: November 9, 2009Publication date: September 6, 2012Applicant: Mitsubishi Electric CorporationInventors: Keiichiro Utsunomiya, Tatsuya Ishigaki
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Publication number: 20120222660Abstract: An internal combustion engine ignition coil device according to the present invention is provided with a primary coil to which a primary current is applied; a secondary coil that is magnetically coupled with the primary coil and generates an ignition voltage when the primary current is cut off, so as to produce a spark discharge between a pair of electrodes of an ignition plug; a noise suppression element that is electrically connected between the secondary coil and one of the pair of electrodes of the ignition plug; and a case that is made of an insulating material and has a noise suppression element containing unit for containing the noise suppression element.Type: ApplicationFiled: June 29, 2011Publication date: September 6, 2012Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Takashi IDOGAWA, Takeshi SHIMIZU
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Publication number: 20120223335Abstract: Marking of an SiC wafer with an identifier is realized by irradiation with a pulsed laser using a harmonic of a wavelength four times that of a YAG laser. A speed at which a laser head moves, an orbit in which the laser head moves, the output power and Q-switch frequency of a pulsed laser to be applied, and the like are determined such that pulse-irradiated marks formed as a result of irradiation with corresponding pulses of the pulsed laser do not overlap each other.Type: ApplicationFiled: October 17, 2011Publication date: September 6, 2012Applicant: MITSUBISHI ELECTRIC CORPORATIONInventor: Noriaki TSUCHIYA
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Publication number: 20120224288Abstract: A power module includes a current sensing circuit in which a transistor includes an emitter connected to a sense emitter of a current sense element of an IGBT and a base connected to ground, a current sensing resistor including one end thereof connected to a collector of the transistor and the other end thereof connected to a common connection portion. The power module detects, as a current sensing voltage, a potential difference generated by the current sensing resistor based on the common connection portion as a reference, compares the current sensing voltage with a predetermined threshold voltage, and determines whether or not an overcurrent flows through the IGBT according to a magnitude relation therebetween.Type: ApplicationFiled: October 6, 2011Publication date: September 6, 2012Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Shiori UOTA, Takahiro Inoue, Koji Tamaki, Shoichi Orita
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Publication number: 20120223336Abstract: A semiconductor device includes a semiconductor substrate including a collector layer of a first conductivity type and a drift layer of a second conductivity type in contact with said collector layer, said drift layer receiving a supply of carriers from said collector layer. The semiconductor device further includes a lattice defect formed to penetrate through said semiconductor substrate and enclose a predetermined portion of said semiconductor substrate, a sense emitter electrode formed on the top surface of said predetermined portion, and a collector electrode formed on the bottom surface of said predetermined portion.Type: ApplicationFiled: November 22, 2011Publication date: September 6, 2012Applicant: MITSUBISHI ELECTRIC CORPORATIONInventor: Shunsuke SAKAMOTO
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Publication number: 20120222440Abstract: To provide a refrigeration cycle apparatus that achieves load balancing (for example, the balance between the cooling load and the heating load, and the balance between the cooling load and the heating and hot water loads) to increase system COP and an information transfer method used in the refrigeration cycle apparatus. A refrigeration cycle apparatus operates a plurality of indoor units so that the thermal cooling load and the thermal heating load to be executed by the plurality of indoor unit are balanced.Type: ApplicationFiled: November 18, 2009Publication date: September 6, 2012Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Kenji Matsui, Shigeo Takata, Hironori Yabuuchi
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Publication number: 20120223642Abstract: An elevator control device capable of carrying out proper control considering the energy saving and service life of lamp for various types of the lighting fixtures provided in an elevator car. The control device which controls the lighting fixture includes a storage which stores the type of the lighting fixture, a setting mechanism which sets transfer time for automatically pausing the car based on the type of the lighting fixture stored in the storage, and a detector which detects that the car is in a predetermined standby state. The control device turns off the lighting in the car when the standby state of the car continues for the transfer time set by the setting mechanism.Type: ApplicationFiled: December 16, 2009Publication date: September 6, 2012Applicant: Mitsubishi Electric CorporationInventor: Masaaki Amano
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Patent number: 8259364Abstract: An image sensor includes: a light transmissive member extending in a direction orthogonal to a direction of conveying the document; a reference portion provided outside the conveying region where a document is conveyed with respect to the orthogonal direction and having a transmittance lower than a transmittance of in the conveying region of the light transmissive member; and a light source unit. The image sensor further includes: a lens unit converging the light transmitting through the document and the reference portion; a light receiving unit that receives the light transmitted through the lens unit and outputs an electric signal; an amplifying unit that amplifies the electric signal of the document corresponding to the conveying region and outputs an image signal of the document; and a controlling unit configured to control an amplification factor of the amplifying unit based on the electric signal corresponding to the reference portion.Type: GrantFiled: August 27, 2007Date of Patent: September 4, 2012Assignee: Mitsubishi Electric CorporationInventors: Naoyuki Tokida, Takafumi Endo
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Patent number: 8260375Abstract: An electronic device has a case that is formed by combining first and second members respectively having first and second engaging portions formed along an outer circumferential portion thereof such that the first and second members make contact with each other. The electronic device includes a corner engaging member having a rib, an outer supporting member and an inner supporting member. The rib is formed at a corner portion of the first engaging portion such that the rib is curved along the corner portion. The outer supporting member is formed at a corner portion of the second engaging portion, which corresponds to the corner portion of the first engaging portion. The outer supporting member makes contact with an outer circumferential surface of the rib. The inner supporting member makes line-contact with an inner circumferential surface of the rib. The rib is inserted between the outer supporting member and the inner supporting member.Type: GrantFiled: January 22, 2008Date of Patent: September 4, 2012Assignee: Mitsubishi Electric CorporationInventors: Masaru Imaizumi, Yohei Kawahara, Koji Saito, Eiji Nakata
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Patent number: 8258618Abstract: The power semiconductor module includes: a circuit substrate; power semiconductor elements joined to element mounting portions of the wiring pattern on the circuit substrate; the cylindrical external terminal communication section joined to the wiring pattern; circuit forming means for connecting between portions that require electrical connection therebetween; and transfer molding resin for sealing these components. The cylindrical external terminal communication section is a metal cylinder, and the cylindrical external terminal communication section has a hole filled with gel.Type: GrantFiled: October 12, 2009Date of Patent: September 4, 2012Assignee: Mitsubishi Electric CorporationInventors: Yoshiko Obiraki, Seiji Oka, Takeshi Oi
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Patent number: 8260497Abstract: In the conventional vehicle control device, since a detection timing of turn is late, at the time of making the change of gear ratio based the detection timing, a sense of discomfort is brought to a driver. Moreover, steering wheel angle sensor, yaw rate sensor or lateral acceleration sensor is very expensive, resulting in the cost increase of the vehicle control devices. From information regarding a steering force that can be obtained from an electric power steering device, a turn intention of a driver is detected, and based the turning intention, the change of gear ratio is conducted.Type: GrantFiled: July 7, 2009Date of Patent: September 4, 2012Assignee: Mitsubishi Electric CorporationInventors: Toshihide Satake, Hiroshi Fujioka, Kohei Mori
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Patent number: 8259990Abstract: A monitoring and operation image integrating system include: a display signal synthesizing unit to which a display signal from a plurality of safety equipments and that from non-safety equipment are inputted, and which synthesizes a display signal from the plural safety equipments and a display signal from the non-safety equipment; display signal switching unit to which a state signal showing an operation state of whether or not each monitoring and operation screen image of the plural safety equipments displays an operating device of the equipment, is inputted, and which switches a display signal from a safety equipment to be synthesized by the display signal synthesizing unit based on the inputted state signals; and an integrated monitoring and operation screen display that displays a display signal synthesized by the display signal synthesizing unit as an integrated monitoring and operation screen of a plant.Type: GrantFiled: July 3, 2007Date of Patent: September 4, 2012Assignee: Mitsubishi Electric CorporationInventors: Masashi Kitamura, Tadashi Ohi
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Patent number: 8260855Abstract: Relay devices 1 and vehicle monitoring control devices 2 include communication cycle management sections 111 and 211 for managing communication cycles in accordance with cycle information that divides the communication cycle to communication enabled periods which include a period of enabling only communication of a message to be communicated periodically and correspond to a communication period of a message; and carry out communication in the communication cycles managed by the communication cycle management sections 111 and 211.Type: GrantFiled: November 27, 2008Date of Patent: September 4, 2012Assignee: Mitsubishi Electric CorporationInventors: Joji Ido, Shogo Tatsumi
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Patent number: 8261135Abstract: A communication device which includes an error correction encoder that generates an error correction encoded sequence. Additionally, there is an interleaver that arranges elements of the error correction encoded sequence generated by the error correction encoder. The interleaver arranges elements of the error correction encoded sequence in an order which is a same order as an order of the elements in the error correction encoded sequence, when the one of the error correction methods is a predetermined method. Further, the interleaver arranges elements of the error correction encoded sequence in an order different from the order of the elements in the error correction encoded sequence, when the one of the error correction methods is not the predetermined method.Type: GrantFiled: March 24, 2006Date of Patent: September 4, 2012Assignee: Mitsubishi Electric CorporationInventors: Takahiko Nakamura, Hideo Yoshida
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Patent number: 8258601Abstract: A plurality of cell structures of a vertical power device are formed at a semiconductor substrate. One cell structure included in the plurality of cell structures and located in a central portion CR of the main surface has a lower current carrying ability than the other cell structure included in the plurality of cell structures and located in an outer peripheral portion PR of the main surface. This provides a power semiconductor device having a long power cycle life.Type: GrantFiled: March 2, 2009Date of Patent: September 4, 2012Assignee: Mitsubishi Electric CorporationInventor: Hiroshi Yamaguchi
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Patent number: 8258052Abstract: A method of manufacturing a silicon carbide semiconductor device according to the present invention includes the steps of (a) forming an implantation mask made up of a plurality of unit masks on a silicon carbide semiconductor layer, and (b) implanting predetermined ion in the silicon carbide semiconductor layer at a predetermined implantation energy by using the implantation mask. In the step (a), the implantation mask is formed such that a length from any point in the unit mask to an end of the unit mask can be equal to or less than a scattering length obtained when the predetermined ion is implanted in silicon carbide at the predetermined implantation energy and the implantation mask can have a plurality of regions different from each other in terms of a size and an arrangement interval of the unit masks.Type: GrantFiled: October 6, 2010Date of Patent: September 4, 2012Assignee: Mitsubishi Electric CorporationInventors: Koji Okuno, Yoichiro Tarui
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Patent number: 8258735Abstract: A second control unit includes a current-command generating unit that generates, based on a torque command T*, a current command of the motor, a voltage-amplitude-index calculating unit that calculates, based on the current command, a voltage amplitude index (a modulation ratio PMF), a current-command adjusting unit that generates, based on the modulation ratio PMF and a frequency FINV of the motor, a current command adjustment amount dV, and a voltage command/PWM signal generating unit including a pulsation-suppression-signal generating unit that generates, based on a DC voltage EFC, a pulsation suppression signal for suppressing a pulsation component of a power supply 2f component to generate a gate signal (a PWM signal) to an inverter.Type: GrantFiled: December 15, 2008Date of Patent: September 4, 2012Assignee: Mitsubishi Electric CorporationInventor: Hidetoshi Kitanaka
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Patent number: 8260568Abstract: Provided is an apparatus for detecting a moving direction that can accurately detect the position, regardless of the moving direction. The moving direction detector includes groups of sensor elements that face a moving body to output detection signals in accordance with travel of the moving body. The detector includes signal processing units that convert output signals of the groups of sensor elements into rectangular waves and a moving direction detection unit that outputs a signal corresponding to a moving direction of the moving body based on the detection signals from the groups of sensor elements. The moving direction detection unit includes a delay function of generating an output signal at a time instant that is delayed by a predetermined time from a time instant when a moving direction of the moving body is changed.Type: GrantFiled: April 14, 2009Date of Patent: September 4, 2012Assignee: Mitsubishi Electric CorporationInventors: Yoshinori Tatenuma, Yuji Kawano, Hiroshi Kobayashi
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Patent number: 8260123Abstract: In a system in which DVD contents authored in the past is to be downloaded and saved into a recording disk, such DVD contents are authored in such manner that they can be recorded into the recording disk without being re-authored, and copyright protection of the downloaded DVD contents can be strengthened. In this system, a disk image file is produced including data to be handled as main data among sectors, and header information of each of the sectors. The data of the DVD contents is divided into packets of a transport stream, and identification codes for the content and for a distribution destination of the content are added to each of the packets, thus enabling identification on a basis of the individual sectors. In a recording apparatus, the DVD contents can be recorded into a large-capacity optical disk or a hard disk based on these identification codes.Type: GrantFiled: February 13, 2008Date of Patent: September 4, 2012Assignee: Mitsubishi Electric CorporationInventor: Kazuhiko Nakane
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Patent number: 8256241Abstract: A centrifugal fan mounted in an air conditioner has the following relationship: outer diameter of a side plate of the centrifugal fan > outer diameter of the blade rear-edge part on side-plate side > diameter of the blade rear-edge part on main plate side ? outer diameter of the main plate. In the centrifugal fan, the blade rear-edge part is positioned inside from a straight line connecting the connection point between the blade rear-edge part and the main plate, to the connection point between the blade rear-edge part and the side plate, as viewed from the rotation axis. The blade rear-edge part has a shape such that the distance from the rotation axis becomes larger from the main plate toward the side plate.Type: GrantFiled: February 20, 2008Date of Patent: September 4, 2012Assignee: Mitsubishi Electric CorporationInventors: Takashi Ikeda, Naho Takehara, Hiroshi Tsutsumi, Takahiro Yamatani, Kazunobu Nishimiya, Yukihiko Kawanori