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公开(公告)号：US20240354312A1
公开(公告)日：2024-10-24
申请号：US18243916
申请日：2023-09-08
Applicant: Hitachi, Ltd.
Inventor： Kazuei HIRONAKA , Masahiro ARAI , Akira DEGUCHI
CPC classification number: G06F16/27 , G06F11/1464 , G06F2201/84
Abstract: To back up stored data of a storage device installed on-premise to a storage service provided by a public cloud more reliably and efficiently. A storage system according to the invention includes a storage device having first storage logical volumes (LDEVs), and a storage device having second storage LDEVs. When stored data of a first LDEV and stored data of a second LDEV are synchronized with each other, network conditions in a transfer path from the storage device to the public cloud and in a transfer path from the storage device to the public cloud are observed. The first LDEV or the second LDEV is selected as a backup source based on the network conditions.
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公开(公告)号：US12125284B2
公开(公告)日：2024-10-22
申请号：US17784472
申请日：2020-10-13
Applicant: Hitachi, Ltd.
Inventor： Masato Tamura , Tomoaki Yoshinaga , Atsushi Hiroike , Hiromu Nakamae , Yuta Yanashima
CPC classification number: G06V20/52 , G06V10/82 , G06V20/647 , G06V2201/07
Abstract: An object of the invention is to configure an object search device capable of expressing information on shapes and irregularities as features only by images, in a search for an object that is characteristic in shape or irregularity, and performing an accurate search.
The object search device includes: an image feature extraction unit that is configured with a first neural network, and is configured to input an image to extract an image feature; a three-dimensional data feature extraction unit that is configured with a second neural network, and is configured to input three-dimensional data to extract a three-dimensional data feature; a learning unit that is configured to extract an image feature and a three-dimensional data feature from an image and three-dimensional data of an object obtained from a same individual, respectively, and update an image feature extraction parameter so as to reduce a difference between the image feature and the three-dimensional data feature; and a search unit that is configured to extract image features of a query image and a gallery image of the object by the image feature extraction unit using the updated image feature extraction parameter, and calculate a similarity between the image features of both images to search for the object.-
公开(公告)号：US12124337B2
公开(公告)日：2024-10-22
申请号：US18119147
申请日：2023-03-08
Applicant: Hitachi, Ltd.
Inventor： Kazuki Matsugami , Tomohiro Yoshihara , Takashi Nagao
CPC classification number: G06F11/1464 , G06F3/0619 , G06F3/0653 , G06F3/0673 , G06F11/1458 , G06F11/1662 , G06F2201/84
Abstract: A data store volume (DSVOL) for a snapshot group which is a group of the PVOL and one or more SVOLs for the PVOL is a data storage region where data of which a storage destination is one volume (VOL) of the snapshot group and meta-information of the data are stored, and the meta-information is information including address mapping between a reference source address which is an address of a position of the data in the snapshot group and a reference destination address which is an address of a position of the data in the DSVOL. A process of a storage system increases the number of DSVOLs in the snapshot group when an input/output (I/O) load on the snapshot group exceeds a threshold.
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公开(公告)号：US12122641B2
公开(公告)日：2024-10-22
申请号：US18010507
申请日：2020-06-29
Applicant: Hitachi, Ltd.
Inventor： Yosuke Kubo , Tomohisa Hayakawa , Hidetaka Zama
IPC: B66B5/16
CPC classification number: B66B5/16
Abstract: An elevator device adapted to improve the operational reliability of an electric actuator in an installation environment is disclosed. The electric actuator actuates a safety gear. The elevator device includes: a car (1); a safety gear (2) mounted to the car; and an electric actuator (10) mounted to the car and operative to actuate the safety gear. The electric actuator includes: a housing (30); a mechanism part located in the housing; and an operation lever (11) connected to the mechanism part and extended from the inside of the housing to the outside of the housing through an opening of the housing. The housing includes a cover member (32) for covering the opening. The operation lever is inserted through the cover member.
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55.发明公开公开(公告)号：US20240348665A1
公开(公告)日：2024-10-17
申请号：US18463616
申请日：2023-09-08
Applicant: Hitachi, Ltd.
Inventor： Yoshiki HASHIMOTO
CPC classification number: H04L63/205 , H04W28/18
Abstract: Provided is a communication requirement generation system capable of easily generating a communication requirement. The communication requirement generation system includes a storage unit that stores definition information for calculating a logical distance between components that perform communication in a predetermined network, a determining unit that calculate, for each of a plurality of communication requirements related to the component connected to the network, a logical distance between the component and a component which is a communication partner of the component based on the definition information stored in the storage unit, and determines, based on the calculated distance, whether each of the communication requirements is a communication requirement that requires confirmation of an operator of the network, and an output unit that outputs the communication requirement determined by the determining unit when the communication requirement is the communication requirement that requires confirmation of the operator of the network.
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Patent Agency Ranking
公开(公告)号：US20240348055A1
公开(公告)日：2024-10-17
申请号：US18292392
申请日：2022-08-01
Applicant: Hitachi, Ltd.
Inventor： Ravikant PANDEY , Daichi KATO , Tohru YOSHIHARA , Shinya OHARA , Yutaka KOKAI
CPC classification number: H02J3/241 , H02J3/381 , H02J2300/28
Abstract: A power grid monitoring system includes a storage unit that stores power control system (PCS) impedance data indicative of a PCS impedance that is an impedance of a PCS-based energy source at a plurality of operation points, the PCS-based energy source being connected to an electric power system, the PCS-based energy source including a voltage source and a PCS that regulates power generated by the voltage source and supplies the power to the electric power system, a real time calculation unit that calculates a power grid impedance based on a power flow measured at a point of connection where the PCS-based energy source and the electric power system are connected to each other, the power grid impedance being an impedance of the electric power system, and a stability check unit that performs a stability check to detect low frequency oscillation (LFO) at the point of connection based on the PCS impedance data and the power grid impedance.
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公开(公告)号：US12118100B2
公开(公告)日：2024-10-15
申请号：US17853431
申请日：2022-06-29
Applicant: Hitachi, Ltd.
Inventor： Mitsuhiro Kitani , Syafril Bandara
CPC classification number: G06F21/604 , G06F21/6245
Abstract: An object of the invention is to enable usage of data based on terms concluded with a user, and achieves both promotion of usage of personal data and privacy protection related to the personal data. A data distribution intermediary device acquires personal data metadata and generates service usage data metadata based on terms of service related to distribution and usage of the personal data. Then, the data distribution intermediary device detects a difference between the personal data metadata and the service usage data metadata, determines a necessity of conversion processing of the personal data based on the difference between the metadata, and converts the personal data to corresponding service usage data based on the service usage data metadata when the personal data is determined to be necessary to be converted.
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58.发明公开公开(公告)号：US20240340078A1
公开(公告)日：2024-10-10
申请号：US18596139
申请日：2024-03-05
Applicant: Hitachi, Ltd.
Inventor： Hisatoshi KIMURA , Tsukasa FUNANE , Yosuke TANABE , Makoto ITO , Koichi WATANABE
CPC classification number: H04B7/18521 , B64G1/40 , H04B7/18526 , H04W64/006
Abstract: An artificial satellite system according to the present invention includes first and second artificial satellites. An antenna of the first satellite transmits a radio wave (transmission signal) to the second satellite. An antenna of the second satellite receives the transmission signal. A software defined radio of the second satellite generates a signal having the same frequency and phase as the transmission signal has. The antenna of the second satellite transmits a radio wave of a signal generated by the second satellite to the first satellite. The antenna of the first satellite receives the radio wave (reception signal) transmitted by the second satellite. A data processing device of the first satellite determines a relative distance between the first and second satellites by using the difference between a transmission time of the transmission signal and a reception time of the reception signal and the phase difference between the transmission and reception signals.
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59.发明公开公开(公告)号：US20240338286A1
公开(公告)日：2024-10-10
申请号：US18293901
申请日：2022-09-26
Applicant: HITACHI, LTD.
Inventor： Takumi UEZONO , Hiroaki ITSUJI , Kenichi SHIMBO , Masayoshi TAKAHASHI , Yutaka UEMATSU
IPC: G06F11/20
CPC classification number: G06F11/2028
Abstract: An arithmetic operation target is input to an information processing apparatus which causes an accelerator apparatus to perform an arithmetic operation using the arithmetic operation target. The information processing apparatus performs, regarding each of a plurality of arithmetic operation elements of the arithmetic operation target, whether to allocate one or more diagnostic circuits, which are available processing circuits for an accuracy diagnosis of the arithmetic operation from a plurality of processing circuits in the accelerator apparatus to the arithmetic operation element on the basis of a failure influence degree. The reliability of the information processing apparatus that is used to judge whether or not to continue an action(s) of the information processing apparatus is calculated on the basis of the number of arithmetic operation elements of the arithmetic operation target, the number of arithmetic operation elements to which at least one diagnostic circuit is allocated, and the failure influence degree.
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公开(公告)号：US12113721B2
公开(公告)日：2024-10-08
申请号：US18205856
申请日：2023-06-05
Applicant: Hitachi, Ltd.
Inventor： Nobuhiro Yokoi , Hiroka Ihara
IPC: H04L49/9047 , H04L49/90
CPC classification number: H04L49/9052 , H04L49/9084
Abstract: A network interface includes a processor, memory, and a cache between the processor and the memory. The processor secures a plurality of buffers for storing transfer data in the memory, and manages an allocation order of available buffers of the plurality of buffers. The processor returns a buffer released after data transfer to a position before a predetermined position of the allocation order.
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