Mitsubishi Electric Corporation patent applications on February 20th, 2025
Patent Applications by Mitsubishi Electric Corporation on February 20th, 2025
Mitsubishi Electric Corporation: 14 patent applications
Mitsubishi Electric Corporation has applied for patents in the areas of B23H7/20 (1), H02M1/12 (1), H05K7/20 (1), H04N21/442 (1), H04N21/4415 (1) B23H7/20 (1), B23Q17/20 (1), B60Q1/143 (1), G01P13/04 (1), G05B19/05 (1)
With keywords such as: target, unit, voltage, device, command, machining, feature, information, time, and current in patent application abstracts.
Patent Applications by Mitsubishi Electric Corporation
Inventor(s): Koichiro CHIKAHISA of Tokyo (JP) for mitsubishi electric corporation, Takayuki NAKAGAWA of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): B23H7/20, B23H7/02
CPC Code(s): B23H7/20
Abstract: provided is a control device for a wire spark erosion machine, the control device controlling a drive trajectory of an electrode, a machining speed, and an electrical discharge frequency, the control device including a storage device and a computation device. the storage device stores at least one of data selected from an inter-electrode average voltage, the electrical discharge frequency, the machining speed, and the drive trajectory in an (n−1)-th machining, where n is an integer of two or more. the computation device calculates an inter-electrode distance in an n-th machining using a calculation model indicating a relationship between the data in the (n−1)-th machining and a machining shape of the workpiece, and computes, from the inter-electrode distance, at least one command value selected from the machining speed, the electrical discharge frequency, and the drive trajectory in the n-th machining.
Inventor(s): Go SATO of Tokyo (JP) for mitsubishi electric corporation, Hiroki KANEKO of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): B23Q17/20
CPC Code(s): B23Q17/20
Abstract: a machining defect analysis device includes: a cutting point information acquisition unit that acquires cutting point information indicating a position of a cutting point that is a point at which a tool attached to a machine tool cuts a workpiece, the cutting point corresponding to each of a plurality of tip points included in a tool trajectory that is information indicating a movement path of the tip point of the tool; a feature acquisition unit that acquires a feature indicating a characteristic of machining, the feature being calculated corresponding to each of the plurality of tip points; and a machining defect analysis unit that identifies, based on the cutting point information and the feature, a machining defect region in which a machining defect of the workpiece occurs and a cause of the machining defect in the machining defect region.
Inventor(s): Akifumi YAMAMOTO of Tokyo (JP) for mitsubishi electric corporation, Yuki SUMIYOSHI of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): B60Q1/14, G06V20/56, G06V20/58
CPC Code(s): B60Q1/143
Abstract: when it is determined on the basis of a captured image that a preceding vehicle is present, among a plurality of light that irradiates a target region in a plurality of divided regions ahead of a vehicle with light, a light source whose target region is a region where the preceding vehicle is present is controlled in such a manner as to block or attenuate light to the target region. a light source whose target region is a region where the obstacle is estimated to be present is controlled in such a manner as to irradiate the target region with light even when the preceding vehicle is present in the target region.
20250060391. ROTATION DETECTOR_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Takatsugu SAWAI of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation, Akihiko HIGUCHI of Chiyoda-ku, Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): G01P13/04
CPC Code(s): G01P13/04
Abstract: detection coils generate a positive or negative voltage pulse. every time a voltage pulse is generated, a controller operates upon receipt of electric power of the voltage pulse, obtains states of the detection coils, information on the detection coil that has generated the voltage pulse, and the number of rotations of a rotation shaft, and updates a non-volatile memory. during the update, by referring to information on a current voltage pulse, and states of the detection coil in generation of the last voltage pulse and the last but one voltage pulse, and a history of information on the detection coil that has generated the last but one voltage pulse, which are held in the non-volatile memory, the controller detects a pulse dropout and corrects the states of the detection coils and the number of rotations held in the non-volatile memory.
Inventor(s): Keita YAMAZAKI of Nagoya-shi, Aichi (JP) for mitsubishi electric corporation, Eitaro HIOKI of Nagoya-shi, Aichi (JP) for mitsubishi electric corporation
IPC Code(s): G05B19/05
CPC Code(s): G05B19/05
Abstract: a control system includes a programmable logic controller to execute at least one program and a programming support device to create the program. in the control system, an end process time measurer measures an execution time of an end process performed after execution of the program in a single scanning process, and a display displays the execution time of the end process on a screen in the programming support device.
Inventor(s): Hiroyuki OZAWA of Tokyo (JP) for mitsubishi electric corporation, Yuki HIDAKA of Tokyo (JP) for mitsubishi electric corporation, Chiaki KATAOKA of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): G05B19/418
CPC Code(s): G05B19/41835
Abstract: central processing units can perform factory automation control independently of each other. a first output selector selects to stop or not to stop an operation of a second central processing unit when a voltage drop in an internal power supply in a first central processing unit is detected. a first reset signal output controller stops the operation of the second central processing unit when the first output selector selects to stop the operation of the second central processing unit, and does not stop the operation of the second central processing unit when the first output selector selects not to stop the operation of the second central processing unit.
Inventor(s): Koji SHIBATA of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): G05B23/02
CPC Code(s): G05B23/0283
Abstract: an anomaly prediction apparatus () includes a deterioration prediction unit (). regarding a target part that a target device includes as deteriorated at a subject point in time and the target part at the subject point in time as a target deteriorated part, a deterioration prediction unit () predicts a point in time an anomaly will occur in the target device, in a case where there is a dissimilarity between a relative position of a driving portion corresponding to the target deteriorated part with respect to a different part and a relative position of a driving portion corresponding to the target part of a case where the target part is not deteriorated with respect to the different part, and the anomaly is estimated to occur in the target device by the target deteriorated part becoming more deteriorated and a distance between the driving portion corresponding to the target part and the different part reaching an anomalous distance, based on a residual distance that is a difference between the distance between the driving portion corresponding to the target deteriorated part and the different part, and the anomalous distance.
Inventor(s): Kotaro FUKUI of Tokyo (JP) for mitsubishi electric corporation, Keishi NISHIKAWA of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): G06T7/73, A41D19/00, G06T7/20, H04N23/57
CPC Code(s): G06T7/73
Abstract: a fixing-state determination system includes a glove an operator wears. a photographing device is placed at a position of the glove that corresponds to a portion between a pair of fingers which grip a target object, and photographs a target image. a position-and-posture estimation unit estimates a position and posture of the target object. a range calculation unit calculates a fingertip movement range which is a movement range of a fingertip of the operator. a contact position calculation unit calculates a contact position of the fingertip on the target object on a basis of the position and posture of the target object and the fingertip movement range. a determination unit determines a fixing state of the target object on a basis of displacement of the target object and excitation force information of an excitation force at the contact position of the fingertip for the target object.
Inventor(s): Ryo AIHARA of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): G10L21/0224, G06F3/16, G10L21/0264
CPC Code(s): G10L21/0224
Abstract: a speech enhancement device that calculates an acoustic component from mixed audio data; that estimates an acoustic feature by inputting the acoustic component to a feature estimation model; that calculates a noise component from noise data; that estimates a noise feature by inputting the noise component to a noise estimation model; that estimates a correlation between the acoustic feature and the noise feature by inputting the acoustic feature and the noise feature to a correlation estimation model; that calculates an integrated feature by weighting the acoustic feature with the estimated correlation; that estimates a target speech mask by inputting the integrated feature to a speech enhancement model; and that restores speech audio with the target speech audio enhanced from the acoustic component and the target speech mask.
Inventor(s): Yuki TANIYAMA of Tokyo (JP) for mitsubishi electric corporation, Yosuke HACHIYA of Tokyo (JP) for mitsubishi electric corporation, Kenta YUASA of Tokyo (JP) for mitsubishi electric corporation, Akane HONGYO of Tokyo (JP) for mitsubishi electric corporation, Yuichi SHIMIZU of Tokyo (JP) for mitsubishi electric corporation, Atsushi TSUCHIYA of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): H02M1/12, H02M7/219, H02M7/5387, H02P23/14, H02P25/024, H02P27/08
CPC Code(s): H02M1/12
Abstract: a power conversion apparatus includes: a rectifying unit that rectifies an ac voltage input from an ac power supply to convert the ac voltage into a dc link voltage; a capacitor that is charged with a dc link voltage converted by the rectifying unit; a power application unit that converts the dc link voltage with which the capacitor is charged into an ac voltage by switching the dc link voltage, and outputs the ac voltage to a motor; and a control unit that controls the power application unit. the control unit controls the power application unit such that a second beat is superimposed on a motor current, the second beat having a second frequency different from a first beat having a first frequency included in the motor current and having at least one of an amplitude or a phase aligned with the first beat.
Inventor(s): Masahiro IEZAWA of Tokyo (JP) for mitsubishi electric corporation, Jun KITAGAWA of Tokyo (JP) for mitsubishi electric corporation, Daiki MATSUURA of Tokyo (JP) for mitsubishi electric corporation, Hideaki TANI of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): H02P21/22
CPC Code(s): H02P21/22
Abstract: a control device for a rotating electric machine includes: a reference current command generation unit which generates d-axis and q-axis reference current command values on the basis of a torque command value and a rotation speed; a current phase generation unit which generates a current phase command on the basis of the d-axis and q-axis reference current command values, the torque command value, the rotation speed, and a power supply voltage; a current command generation unit which generates d-axis and q-axis current command values on the basis of the d-axis and q-axis reference current command values and the current phase command; and a voltage command generation unit which generates three-phase voltage command values on the basis of the d-axis and q-axis current command values, the rotation speed, a rotational position, and three-phase currents, and outputs the three-phase voltage command values to an inverter.
Inventor(s): Toshiaki TOMISAWA of Tokyo (JP) for mitsubishi electric corporation, Naotaka SAKAGUCHI of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): H04J3/06
CPC Code(s): H04J3/0688
Abstract: a relay device (a, d) receives time synchronization messages in a plurality of time synchronization networks (a, b) using different time synchronization profiles. the relay device (a, d) selects a grandmaster for use in time synchronization from grandmasters (a, b) in the plurality of time synchronization networks (a, b) based on the time synchronization messages in the plurality of time synchronization networks (a, b).
Inventor(s): Sayuri FUKANO of Tokyo (JP) for mitsubishi electric corporation, Kyosuke ISHII of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): H04N21/45, H04N21/414, H04N21/4223, H04N21/4415, H04N21/442
CPC Code(s): H04N21/4532
Abstract: a content display device includes processing circuitry configured to; acquire sensing information of a sensor that observes a viewing area that is an area where a display is viewable; identify each of two or more users present in the viewing area on a basis of the acquired sensing information, and transmit identification information of each of the users to a personal authentication server; acquire personal information corresponding to identification information of each of the users; determine one or more video content to be included in video content in accordance with each piece of personal information and generate two or more video content; repeat processing of randomly selecting video content to be displayed on the display from two or more pieces of the video content generated; and cause the display to display the selected video content.
20250063690. HEAT-PUMP HEAT SOURCE APPARATUS_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Naoto ISHII of Tokyo (JP) for mitsubishi electric corporation, Akinori KURACHI of Tokyo (JP) for mitsubishi electric corporation, Kimitaka KADOWAKI of Tokyo (JP) for mitsubishi electric corporation
IPC Code(s): H05K7/20, F24F11/88
CPC Code(s): H05K7/20272
Abstract: a heat-pump heat source apparatus includes: a housing including a bottom plate; a water pump box provided on a front side of the bottom plate, the water pump accommodating a water pump; a transformer box provided above the water pump box, the transformer box accommodating a transformer; and a controller box provided above the transformer box, the controller accommodating a controller.
Mitsubishi Electric Corporation patent applications on February 20th, 2025
- Mitsubishi Electric Corporation
- B23H7/20
- B23H7/02
- CPC B23H7/20
- Mitsubishi electric corporation
- B23Q17/20
- CPC B23Q17/20
- B60Q1/14
- G06V20/56
- G06V20/58
- CPC B60Q1/143
- G01P13/04
- CPC G01P13/04
- G05B19/05
- CPC G05B19/05
- G05B19/418
- CPC G05B19/41835
- G05B23/02
- CPC G05B23/0283
- G06T7/73
- A41D19/00
- G06T7/20
- H04N23/57
- CPC G06T7/73
- G10L21/0224
- G06F3/16
- G10L21/0264
- CPC G10L21/0224
- H02M1/12
- H02M7/219
- H02M7/5387
- H02P23/14
- H02P25/024
- H02P27/08
- CPC H02M1/12
- H02P21/22
- CPC H02P21/22
- H04J3/06
- CPC H04J3/0688
- H04N21/45
- H04N21/414
- H04N21/4223
- H04N21/4415
- H04N21/442
- CPC H04N21/4532
- H05K7/20
- F24F11/88
- CPC H05K7/20272