Patents by Inventor Yoshihiro Akeboshi
Yoshihiro Akeboshi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240072819Abstract: An AD conversion device includes an AD converter that outputs an analog signal as sampling data for every sampling point based on a sampling frequency, a controller, and a storage circuit, the controller includes a buffer memory which temporarily stores the sampling data from the AD converter in time series and from which the sampling data is read out in time series, and a decimation controller, the decimation controller outputs a write-enable signal indicating write-enabled for the selected sampling data in the decimation region and the sampling data in the high-speed sampling region, and outputs decimation bit information indicating whether the sampling data is the sampling data of the decimation region or the sampling data of the high-speed sampling region, and the storage circuit stores the sampling data stored in the buffer memory in association with the decimation bit information, in response to the write-enable signal.Type: ApplicationFiled: November 6, 2023Publication date: February 29, 2024Applicant: Mitsubishi Electric CorporationInventors: Takashi KUWAHARA, Yoshihiro AKEBOSHI
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Publication number: 20240039502Abstract: A noise filter includes: a ground-side power supply line detecting circuit that is connected to each of a power supply line and a power supply line and detects a power supply line connected to an electrode from among the power supply line and the power supply line; and a control circuit that determines whether the power supply line connected to the electrode is the power supply line or the power supply line on the basis of a detection result by the ground-side power supply line detecting circuit, controls a relay to short-circuit between a Y capacitor and an electrical device ground when determining that the power supply line connected to the electrode is the power supply line, and controls a relay to short-circuit between a Y capacitor and the electrical device ground when determining that the power supply line connected to the electrode is the power supply line.Type: ApplicationFiled: October 10, 2023Publication date: February 1, 2024Applicant: Mitsubishi Electric CorporationInventors: Kyota OTSUKA, Kenji HIROSE, Yoshihiro AKEBOSHI
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Patent number: 11722344Abstract: An OFDM modulation device includes a communication use specifying unit to specify a communication use of a communication frame, a header generating unit to generate a header of the communication frame in which communication use specifying information indicating the communication use specified by the communication use specifying unit is stored, a payload generating unit to generate a payload of the communication frame, and an inverse fast Fourier transform unit to generate a communication frame of time domain by executing an inverse fast Fourier transform of a size corresponding to the communication use specified by the communication use specifying unit on data of frequency domain including the header generated by the header generating unit and the payload generated by the payload generating unit.Type: GrantFiled: November 2, 2022Date of Patent: August 8, 2023Assignee: MITSUBISHI ELECTRIC CORPORATIONInventor: Yoshihiro Akeboshi
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Patent number: 11683207Abstract: An OFDM modulation device includes a communication use specifying unit to specify a communication use of a communication frame, a header generating unit to generate a header of the communication frame in which communication use specifying information indicating the communication use specified by the communication use specifying unit is stored, a payload generating unit to generate a payload of the communication frame, and an inverse fast Fourier transform unit to generate a communication frame of time domain by executing an inverse fast Fourier transform of a size corresponding to the communication use specified by the communication use specifying unit on data of frequency domain including the header generated by the header generating unit and the payload generated by the payload generating unit.Type: GrantFiled: November 2, 2022Date of Patent: June 20, 2023Assignee: MITSUBISHI ELECTRIC CORPORATIONInventor: Yoshihiro Akeboshi
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Publication number: 20230052936Abstract: An OFDM modulation device includes a communication use specifying unit to specify a communication use of a communication frame, a header generating unit to generate a header of the communication frame in which communication use specifying information indicating the communication use specified by the communication use specifying unit is stored, a payload generating unit to generate a payload of the communication frame, and an inverse fast Fourier transform unit to generate a communication frame of time domain by executing an inverse fast Fourier transform of a size corresponding to the communication use specified by the communication use specifying unit on data of frequency domain including the header generated by the header generating unit and the payload generated by the payload generating unit.Type: ApplicationFiled: November 2, 2022Publication date: February 16, 2023Applicant: Mitsubishi Electric CorporationInventor: Yoshihiro AKEBOSHI
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Patent number: 11243241Abstract: A noise detection circuit includes an open and close switch connected onto a signal line for transmitting a detection signal of an extraneous noise, and the open and close switch is configured so as to be in an off state during a time period when the switching of the conduction state of a solid state switch is performed by a control circuit, whereas the open and close switch is configured so as to be in an on state during a time period when the switching of the conduction state of the solid state switch is not performed. As a result, an extraneous noise occurring irregularly can be detected.Type: GrantFiled: August 30, 2016Date of Patent: February 8, 2022Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Takashi Kuwahara, Yoshihiro Akeboshi
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Publication number: 20210208188Abstract: A noise detection circuit includes an open and close switch connected onto a signal line for transmitting a detection signal of an extraneous noise, and the open and close switch is configured so as to be in an off state during a time period when the switching of the conduction state of a solid state switch is performed by a control circuit, whereas the open and close switch is configured so as to be in an on state during a time period when the switching of the conduction state of the solid state switch is not performed. As a result, an extraneous noise occurring irregularly can be detected.Type: ApplicationFiled: August 30, 2016Publication date: July 8, 2021Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Takashi KUWAHARA, Yoshihiro AKEBOSHI
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Patent number: 10916912Abstract: There are included a CAN package (2) having a stem (22) and lead pins (23a and 23b) protruding from the stem (22), and a board (3) having pads (33a and 33b) for connecting lead pin. The CAN package (2) has a slot (222) provided in a surface of the stem (22) from which the lead pins (23a and 23b) protrude. One end of the board (3) is inserted into the slot (222), and the pads (33a and 33b) for connecting lead pin are electrically connected to the lead pins (23a and 23b).Type: GrantFiled: January 20, 2017Date of Patent: February 9, 2021Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Hiroshi Itakura, Keitaro Yamagishi, Yoshihiro Akeboshi
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Publication number: 20200403654Abstract: A signal compensation line includes at least one of: a first signal compensation line including a first end connected to a main line (3) on a side closer to a first communication device (1) with respect to a first connection point (8-1) counted from the first communication device (1) among connection points (8-1) to (8-3) between the main line (3) and respective first ends of branch lines (5-1) to (5-3), and a second end grounded; or a second signal compensation line including a first end connected to the main line (3) on a side closer to a second communication device (2) with respect to the first connection point (8-3) counted from the second communication device (2) among the respective connection points (8-1) to (8-3), and a second end grounded.Type: ApplicationFiled: February 15, 2018Publication date: December 24, 2020Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Hiroshi ITAKURA, Yoshihiro AKEBOSHI
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Publication number: 20200388969Abstract: A printed circuit board (3) includes a conductor-less area (30) in which a conductor is excluded over an entire edge on a side to which a coaxial connector (2) is attached. An end of a core wire (22) is brought into contact with a signal pad (35) in a state of being covered with a second ground conductor portion (21) of the coaxial connector (2) attached to the conductor-less area (30).Type: ApplicationFiled: March 8, 2017Publication date: December 10, 2020Applicant: Mitsubishi Electric CorporationInventors: Yuki OKANAMI, Hiroshi ITAKURA, Yoshihiro AKEBOSHI
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Patent number: 10693505Abstract: A sending unit includes a send data storing unit, a sending-side signal processing unit, and a first DA converter and a second DA converter. A receiving unit includes a first AD converter and a second AD converter, a receiving-side signal processing unit, and a receive data storing unit. The sending-side signal processing unit calculates output signals using a matrix formed of eigenvectors corresponding to transmission eigenmodes in which the signals propagate through a transmission path. The receiving-side signal processing unit calculates data signals of a plurality of sequences by the inverse of the matrix used by the sending-side signal processing unit.Type: GrantFiled: March 21, 2017Date of Patent: June 23, 2020Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Takashi Kuwahara, Yoshihiro Akeboshi
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Publication number: 20200052725Abstract: A sending unit includes a send data storing unit, a sending-side signal processing unit, and a first DA converter and a second DA converter. A receiving unit includes a first AD converter and a second AD converter, a receiving-side signal processing unit, and a receive data storing unit. The sending-side signal processing unit calculates output signals using a matrix formed of eigenvectors corresponding to transmission eigenmodes in which the signals propagate through a transmission path. The receiving-side signal processing unit calculates data signals of a plurality of sequences by the inverse of the matrix used by the sending-side signal processing unit.Type: ApplicationFiled: March 21, 2017Publication date: February 13, 2020Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Takashi KUWAHARA, Yoshihiro AKEBOSHI
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Publication number: 20190334313Abstract: There are included a CAN package (2) having a stem (22) and lead pins (23a and 23b) protruding from the stem (22), and a board (3) having pads (33a and 33b) for connecting lead pin. The CAN package (2) has a slot (222) provided in a surface of the stem (22) from which the lead pins (23a and 23b) protrude. One end of the board (3) is inserted into the slot (222), and the pads (33a and 33b) for connecting lead pin are electrically connected to the lead pins (23a and 23b).Type: ApplicationFiled: January 20, 2017Publication date: October 31, 2019Applicant: Mitsubishi Electric CorporationInventors: Hiroshi ITAKURA, Keitaro YAMAGISHI, Yoshihiro AKEBOSHI
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Publication number: 20170257942Abstract: A first ground elimination portion 3a formed in a ground layer is formed in a size such that a characteristic impedance determined by the first ground elimination portion 3a and component pads 1a is higher than a characteristic impedance determined by a ground conductor 2a and a transmission line 1b. When an outer shapes of the component pads 1a are projected on the ground layer, the center of a region interposed between the conductor pads 1a is positioned at the center of the first ground elimination portion 3a.Type: ApplicationFiled: January 6, 2015Publication date: September 7, 2017Applicant: Mitsubishi Electric CorporationInventors: Shoji KOMATSU, Akimichi HIROTA, Yukihiro TAHARA, Koji SHIBUYA, Yoshihiro AKEBOSHI
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Patent number: 9160483Abstract: A signal transmission device includes: a detector circuit that detects impulse noises having been applied to the transmission line, the detector circuit being composed of an analog circuit; a noise counter that counts the impulse noises detected by the detector circuit and observes occurrence intervals of the impulse noises; and a data length changer that varies a data length of the communication frames depending on the occurrence intervals of the impulse noises observed by the noise counter.Type: GrantFiled: July 10, 2012Date of Patent: October 13, 2015Assignee: Mitsubishi Electric CorporationInventor: Yoshihiro Akeboshi
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Patent number: D877707Type: GrantFiled: August 16, 2017Date of Patent: March 10, 2020Assignee: Mitsubishi Electric CorporationInventors: Hiroshi Itakura, Keitaro Yamagishi, Yoshihiro Akeboshi
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Patent number: D908646Type: GrantFiled: October 16, 2019Date of Patent: January 26, 2021Assignee: Mitsubishi Electric CorporationInventors: Hiroshi Itakura, Keitaro Yamagishi, Yoshihiro Akeboshi
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Patent number: D908647Type: GrantFiled: October 16, 2019Date of Patent: January 26, 2021Assignee: Mitsubishi Electric CorporationInventors: Hiroshi Itakura, Keitaro Yamagishi, Yoshihiro Akeboshi
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Patent number: D909317Type: GrantFiled: October 16, 2019Date of Patent: February 2, 2021Assignee: Mitsubishi Electric CorporationInventors: Hiroshi Itakura, Keitaro Yamagishi, Yoshihiro Akeboshi
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Patent number: D909318Type: GrantFiled: October 16, 2019Date of Patent: February 2, 2021Assignee: Mitsubishi Electric CorporationInventors: Hiroshi Itakura, Keitaro Yamagishi, Yoshihiro Akeboshi