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| | ==Patent applications for Hitachi, Ltd. on November 30th, 2023== | | ==Patent applications for Hitachi, Ltd. on November 30th, 2023== |
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| − | ===LIQUID-COOLED ROTARY COMPRESSOR AND COOLANT SUPPLY METHOD THEREFOR ([[US Patent Application 18121630. LIQUID-COOLED ROTARY COMPRESSOR AND COOLANT SUPPLY METHOD THEREFOR simplified abstract|18121630]])=== | + | ===LIQUID-COOLED ROTARY COMPRESSOR AND COOLANT SUPPLY METHOD THEREFOR ([[US Patent Application 18121630. LIQUID-COOLED ROTARY COMPRESSOR AND COOLANT SUPPLY METHOD THEREFOR simplified abstract (Hitachi, Ltd.)|18121630]])=== |
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| − | '''Brief explanation'''
| + | ===VEHICLE SPEED CALCULATION DEVICE AND VEHICLE SPEED CALCULATION METHOD ([[US Patent Application 18249582. VEHICLE SPEED CALCULATION DEVICE AND VEHICLE SPEED CALCULATION METHOD simplified abstract (Hitachi, Ltd.)|18249582]])=== |
| − | - The patent application describes a liquid-cooled rotary compressor that compresses gas using a compression chamber formed by a fixed wall and a rotating wall.
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| − | - The compressor includes a liquid injection path for injecting a coolant into the compression chamber to cool it.
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| − | - The rotational speed of the rotating wall can be adjusted to control the discharge flow rate of the compressor.
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| − | - The compressor also includes a liquid amount adjusting unit that adjusts the amount of coolant supplied to the compressor main body based on the change in rotational speed.
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| − | - A compressed gas supply path is provided to supply compressed gas to the liquid injection path downstream of the liquid amount adjusting unit.
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| − | - The amount of compressed gas supplied to the liquid injection path is determined by the amount of coolant supplied to the compressor main body.
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| − | '''Abstract'''
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| − | A liquid-cooled rotary compressor includes a compressor main body having a compression chamber formed by a fixed wall and a rotating wall and compressing gas, and a liquid injection path for injecting a coolant into the compression chamber, and adjusts a discharge flow rate by changing a rotational speed of the rotating wall. The compressor includes a liquid amount adjusting unit that adjusts an amount of the coolant supplied from the liquid injection path to the compressor main body according to a change in the rotational speed of the rotating wall, and a compressed gas supply path that supplies compressed gas to a downstream side of the liquid amount adjusting unit in the liquid injection path. The compressed gas is supplied from the compressed gas supply path to the liquid injection path according to the amount of the coolant supplied to the compressor main body.
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| − | ===VEHICLE SPEED CALCULATION DEVICE AND VEHICLE SPEED CALCULATION METHOD ([[US Patent Application 18249582. VEHICLE SPEED CALCULATION DEVICE AND VEHICLE SPEED CALCULATION METHOD simplified abstract|18249582]])=== | |
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| − | '''Brief explanation'''
| + | ===STORAGE SYSTEM AND CRYPTOGRAPHIC OPERATION METHOD ([[US Patent Application 18138793. STORAGE SYSTEM AND CRYPTOGRAPHIC OPERATION METHOD simplified abstract (Hitachi, Ltd.)|18138793]])=== |
| − | The patent application describes a device for calculating the speed of a railway vehicle, aiming to improve reliability and reduce costs.
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| − | * The device includes multiple shaft speed sensors and a non-contact speed sensor.
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| − | * A sensor receiving unit collects detection values from the sensors.
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| − | * An estimated speed calculation unit uses the vehicle's speed and acceleration to calculate the estimated speed.
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| − | * A speed determination unit determines the vehicle's speed based on the detection values and the estimated speed.
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| − | * The speed determination unit selects the appropriate speed based on the wheel's condition and the detection values.
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| − | '''Abstract'''
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| − | In order to achieve improvement in reliability of a speed calculation device included in a railway vehicle while reducing cost increase due to redundancy of a device, a vehicle speed calculation device includes at least two shaft speed sensors, a non-contact speed sensor, a sensor receiving unit that receives at least two first detection values detected by the shaft speed sensor and a second detection value detected by the non-contact speed sensor, an estimated speed calculation unit that calculates an estimated speed at present time of the railway vehicle from a latest vehicle speed and acceleration of the railway vehicle, and a speed determination unit that determines a vehicle speed based on at least two of the first detection values, the second detection value, and the estimated speed. The speed determination unit determines the vehicle speed by selecting a required speed from at least two first speeds calculated from at least two of the first detection values, a second speed calculated from the second detection value, and the estimated speed based on an adhesive or non-adhesive state of a wheel including the shaft speed sensor.
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| − | ===STORAGE SYSTEM AND CRYPTOGRAPHIC OPERATION METHOD ([[US Patent Application 18138793. STORAGE SYSTEM AND CRYPTOGRAPHIC OPERATION METHOD simplified abstract|18138793]])=== | |
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| − | '''Brief explanation'''
| + | ===DATA PROCESSING SYSTEM AND DATA PROCESSING METHOD ([[US Patent Application 18179018. DATA PROCESSING SYSTEM AND DATA PROCESSING METHOD simplified abstract (Hitachi, Ltd.)|18179018]])=== |
| − | The patent application describes a storage system that can perform different types of cryptographic operations.
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| − | * The system includes a cryptographic operation circuit that encrypts data based on the format determined by the processor.
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| − | * The encrypted data can be decrypted by the circuit based on the format determined by the processor.
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| − | * The system is designed to support various cryptographic operation formats.
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| − | * The operations are performed in response to requests from a host terminal for writing or reading data from the storage device.
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| − | '''Abstract'''
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| − | A storage system that can achieve a cryptographic operation circuit that supports multiple types of cryptographic operation formats. The cryptographic operation circuit is provided that encrypts data according to the format determined by the processor based on a request by the host terminal for writing the data into the storage device, and decrypts the encrypted data on the data stored in the storage device according to the format determined by the processor based on a request by the host terminal for reading the data from the storage device.
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| − | | |
| − | ===DATA PROCESSING SYSTEM AND DATA PROCESSING METHOD ([[US Patent Application 18179018. DATA PROCESSING SYSTEM AND DATA PROCESSING METHOD simplified abstract|18179018]])=== | |
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| − | '''Brief explanation'''
| + | ===INFORMATION MANAGEMENT APPARATUS, INFORMATION MANAGEMENT METHOD, AND RECORDING MEDIUM ([[US Patent Application 18106679. INFORMATION MANAGEMENT APPARATUS, INFORMATION MANAGEMENT METHOD, AND RECORDING MEDIUM simplified abstract (Hitachi, Ltd.)|18106679]])=== |
| − | - The patent application describes a method for changing data processing settings or adding new settings without stopping the multi-stage data processing.
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| − | - A data processing unit that is required for the processing is started, while a unit that is not required is stopped.
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| − | - This allows for seamless modification of settings while the data processing continues.
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| − | - During the execution of the multi-stage data processing, a rear-stage unit reads the assigned tag from a front-stage unit to identify which unit is performing the processing.
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| − | | |
| − | '''Abstract'''
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| − | A data processing unit required for the data processing is started and a data processing unit not required for the data processing is stopped to change a part of the data processing settings or to add a new data processing setting without stopping the multi-stage data processing, and when the multi-stage data processing is executed, a rear-stage data processing unit reads the tag assigned in a front-stage data processing unit to discriminate the data processing unit that executes the data processing.
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| − | | |
| − | ===INFORMATION MANAGEMENT APPARATUS, INFORMATION MANAGEMENT METHOD, AND RECORDING MEDIUM ([[US Patent Application 18106679. INFORMATION MANAGEMENT APPARATUS, INFORMATION MANAGEMENT METHOD, AND RECORDING MEDIUM simplified abstract|18106679]])=== | |
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| − | '''Brief explanation'''
| + | ===RESPONSE SUPPORT DEVICE AND RESPONSE SUPPORT METHOD ([[US Patent Application 18120446. RESPONSE SUPPORT DEVICE AND RESPONSE SUPPORT METHOD simplified abstract (Hitachi, Ltd.)|18120446]])=== |
| − | The patent application describes an information management apparatus that reduces the effort required to move data from an OLTP database to an OLAP database.
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| − | * OLTP database: A database used for online transaction processing.
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| − | * OLAP database: A database used for online analytical processing.
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| − | * The apparatus includes a table status update unit that tracks the data stored in both the OLTP and OLAP databases.
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| − | * A policy network learning unit learns the number of federated queries that require querying both databases and the cost of moving data from OLTP to OLAP.
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| − | * A data movement unit controls the movement of data from OLTP to OLAP based on the learning results and the current table status.
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| − | '''Abstract'''
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| − | An information management apparatus is capable of reducing an effort for creating a rule for moving data stored in an OLTP database to an OLAP database, for example. A data movement optimization apparatus includes a table status update unit that acquires a table status in which data is stored for each of an OLTP database and an OLAP database selected from among a plurality of databases, a policy network learning unit that performs learning on the number of federated queries that are processing in which it is necessary to query both the OLTP database and the OLAP database for the table status, and a cost incurred when data is moved from the OLTP database to the OLAP database, and a data movement unit that performs control for moving data from the OLTP database to the OLAP database on the basis of a result of the learning and the table status.
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| − | ===RESPONSE SUPPORT DEVICE AND RESPONSE SUPPORT METHOD ([[US Patent Application 18120446. RESPONSE SUPPORT DEVICE AND RESPONSE SUPPORT METHOD simplified abstract|18120446]])=== | |
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| − | '''Brief explanation'''
| + | ===ANALYSIS DEVICE, ANALYSIS METHOD, AND RECORDING MEDIUM ([[US Patent Application 18199188. ANALYSIS DEVICE, ANALYSIS METHOD, AND RECORDING MEDIUM simplified abstract (Hitachi, Ltd.)|18199188]])=== |
| − | - The patent application describes a technology that aims to minimize the impact on jobs during incidents and ensure job continuity and prompt response.
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| − | - The technology includes a response support device that evaluates the impact of an incident on a monitoring target and the urgency level of the response.
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| − | - It also evaluates the impact level on jobs and the effectiveness of the response to the incident.
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| − | - Based on these evaluations, the technology determines a priority order of responses.
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| − | - The determined priority order of responses is displayed on a screen for easy reference and decision-making.
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| − | '''Abstract'''
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| − | A response support technology for minimizing the impact on jobs as much as possible and enabling job continuity and prompt response can be realized. A response support device that supports a response executed according to a situation of an incident that has occurred in a monitoring target, includes an incident evaluation unit that evaluates an impact of the incident on the monitoring target and an urgency level of the response against the incident; a response evaluation unit that evaluates an impact level on jobs and an effectiveness level to the incident, for the response against the incident; a priority order determination unit that determines a priority order of responses based on evaluation by the incident evaluation unit and evaluation by the response evaluation unit; and a display unit that displays a screen including the priority order of responses determined by the priority order determination unit.
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| − | | |
| − | ===ANALYSIS DEVICE, ANALYSIS METHOD, AND RECORDING MEDIUM ([[US Patent Application 18199188. ANALYSIS DEVICE, ANALYSIS METHOD, AND RECORDING MEDIUM simplified abstract|18199188]])=== | |
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| − | '''Brief explanation'''
| + | ===Image Processing Apparatus, Image Processing Method, and Program ([[US Patent Application 18031675. Image Processing Apparatus, Image Processing Method, and Program simplified abstract (Hitachi, Ltd.)|18031675]])=== |
| − | The patent application aims to develop a prediction model specific to each site without the need to transfer data from multiple sites externally.
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| − | * The invention focuses on generating site-specific prediction models.
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| − | * Data from various sites does not need to be sent outside of those sites.
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| − | * The objective is to simplify the process of creating prediction models for individual sites.
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| − | * The innovation eliminates the necessity of transferring data between different locations.
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| − | * The patent application seeks to optimize prediction model generation for each site.
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| − | '''Abstract'''
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| − | An object of the present invention is to achieve generation of a prediction model appropriate for each site without a necessity of transfer of data located at a plurality of sites to the outside of the sites.
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| − | | |
| − | ===Image Processing Apparatus, Image Processing Method, and Program ([[US Patent Application 18031675. Image Processing Apparatus, Image Processing Method, and Program simplified abstract|18031675]])=== | |
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| − | '''Brief explanation'''
| + | ===OPERATION MANAGEMENT APPARATUS ([[US Patent Application 18191007. OPERATION MANAGEMENT APPARATUS simplified abstract (Hitachi, Ltd.)|18191007]])=== |
| − | The patent application describes a medical image processing apparatus and method that improve the accuracy of specialized learning based on a doctor's knowledge using conventional features.
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| − | * The apparatus calculates a predetermined feature value for each image in a first image group and selects an image based on this value to form a second image group.
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| − | * A feature extraction unit then performs learning on the second image group using a feature generation network to extract a new feature.
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| − | * This new feature enhances the accuracy of specialized learning in medical image processing.
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| − | * The invention aims to improve the accuracy of medical image analysis and diagnosis by incorporating the doctor's knowledge into the learning process.
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| − | * By utilizing both conventional features and the newly extracted features, the apparatus can provide more accurate and reliable results in medical image processing.
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| − | '''Abstract'''
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| − | Provided are a medical image processing apparatus and a medical image processing method capable of implementing specialized learning with higher accuracy in a case where the specialized learning is performed on a plurality of conventional features based on knowledge of a doctor. An image processing apparatus according to the present invention includes: an image group conversion unit that calculates a value of a predetermined feature (first feature) for each image constituting an input first image group, selects an image from the first image group on the basis of the value of the feature, and sets the image as an image of a second image group; and a feature extraction unit that extracts a new feature (second feature) by performing learning on the second image group generated by the image group conversion unit using a feature generation network.
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| − | | |
| − | ===OPERATION MANAGEMENT APPARATUS ([[US Patent Application 18191007. OPERATION MANAGEMENT APPARATUS simplified abstract|18191007]])=== | |
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| − | '''Brief explanation'''
| + | ===Fuel Assembly ([[US Patent Application 18139519. Fuel Assembly simplified abstract (Hitachi, Ltd.)|18139519]])=== |
| − | The patent application describes an operation management apparatus that helps prevent collisions between mobile objects. Here is a simplified explanation of the abstract:
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| − | * The operation management apparatus includes a map converter and a block control controller.
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| − | * The map converter converts the state of individual sections for two mobile objects (referred to as the first and second mobile objects) into a reference section state.
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| − | * The map converter can also convert the reference section state back into the individual section states for the mobile objects.
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| − | * The block control controller uses the conversion results from the map converter to determine the individual section states of the first and second mobile objects.
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| − | * The purpose of determining these states is to prevent collisions between the first and second mobile objects.
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| − | * The operation management apparatus helps ensure the safe movement of the mobile objects by controlling their individual section states based on the conversion results.
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| − | | |
| − | '''Abstract'''
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| − | An operation management apparatus includes: a map converter that performs interconversion between a first individual section state corresponding to a first mobile object and a reference section state and interconversion between a second individual section state corresponding to a second mobile object and the reference section state; and a block control controller that determines the first individual section state and the second individual section state to prevent a collision between the first mobile object and the second mobile object based on conversion results of the map converter.
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| − | | |
| − | ===Fuel Assembly ([[US Patent Application 18139519. Fuel Assembly simplified abstract|18139519]])=== | |
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| − | '''Brief explanation'''
| + | ===Core for Stationary Electromagnetic Apparatus ([[US Patent Application 18203397. Core for Stationary Electromagnetic Apparatus simplified abstract (Hitachi, Ltd.)|18203397]])=== |
| − | The patent application describes a fuel assembly for a nuclear reactor.
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| − | * The fuel assembly includes end plugs on the upper and lower ends of a fuel rod.
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| − | * A tie plate supports at least the upper portion of the end plug.
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| − | * The end plug has support protrusions on its surface.
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| − | * A closed-loop spring is inserted through an opening in the end plug and stored inside it.
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| − | * The remaining portion of the spring protrudes outside the end plug.
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| − | * The end plug is supported by the support protrusions and the closed-loop spring.
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| − | * They are in contact with the inner wall of an insertion hole in the tie plate.
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| − | | |
| − | '''Abstract'''
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| − | A fuel assembly according to the present invention includes an end plug disposed on both upper and lower end portions of a fuel rod, and a tie plate that supports at least an upper portion of the end plug. The end plug includes a plurality of support protrusions on a surface of the end plug, and a closed-loop spring having a portion that is inserted through an opening portion formed in the end plug and is stored in a single space formed in the end plug, and a remaining portion protruding to the outside of the end plug. The end plug is supported by the plurality of support protrusions and the closed-loop spring in a state in which the plurality of support protrusions and the closed-loop spring are in contact with an inner wall of an insertion hole formed in the tie plate.
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| − | ===Core for Stationary Electromagnetic Apparatus ([[US Patent Application 18203397. Core for Stationary Electromagnetic Apparatus simplified abstract|18203397]])=== | |
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| − | '''Brief explanation'''
| + | ===Power Management Device and Power Management Method ([[US Patent Application 18027751. Power Management Device and Power Management Method simplified abstract (Hitachi, Ltd.)|18027751]])=== |
| − | - The patent application describes a core for a stationary electromagnetic apparatus.
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| − | - The core is made of amorphous metal thin strips that are laminated together.
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| − | - The core is designed to reduce noise generated by magnetostrictive vibration.
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| − | - A holding member is used to hold the laminated body in place.
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| − | - The width of the holding member is equal to or greater than the width of the laminated body in the laminating direction.
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| − | - This design helps to suppress compressive stress load in the laminating direction, reducing noise while maintaining the space factor of the amorphous core.
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| − | | |
| − | '''Abstract'''
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| − | Provided is a core for a stationary electromagnetic apparatus, in which a compressive stress load in the laminating direction of amorphous thin strips that form an amorphous core is suppressed so that noise generated by magnetostrictive vibration is reduced while maintaining a space factor of the amorphous core. The core for a stationary electromagnetic apparatus according to the present invention includes: a laminated body formed of amorphous metal thin strips; and a holding member that holds the laminated body , in which a width b of the holding member is equal to or more than a width a of the laminated body in a laminating direction.
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| − | | |
| − | ===Power Management Device and Power Management Method ([[US Patent Application 18027751. Power Management Device and Power Management Method simplified abstract|18027751]])=== | |
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| − | '''Brief explanation'''
| + | ===DATA CIRCULATION CONTROL METHOD, DATA CIRCULATION CONTROL SYSTEM, AND APPROVAL SERVER ([[US Patent Application 18031973. DATA CIRCULATION CONTROL METHOD, DATA CIRCULATION CONTROL SYSTEM, AND APPROVAL SERVER simplified abstract (Hitachi, Ltd.)|18031973]])=== |
| − | The patent application describes an energy management controller that efficiently manages power by generating virtual grids and managing power deals with consumers.
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| − | * Energy management controller includes a virtual grid generating unit and a deal management unit.
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| − | * The virtual grid generating unit generates virtual grids for each grid to manage information on energy resources and wires.
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| − | * The deal management unit manages power deals with consumers based on the generated virtual grids.
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| − | * The energy management controller also includes an RE coloring unit that classifies power by coloring.
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| − | * Power deals can be made based on RE coloring, allowing for efficient management of renewable energy resources.
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| − | | |
| − | '''Abstract'''
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| − | An energy management controller () includes a virtual grid generating unit () that for each of grids, generates a virtual grid that collectively manages information including information on an energy resource and a wire, in order to carry out efficient power management, and a deal management unit () that based on the generated virtual grid, manages a power deal with a consumer-side supplied with power from the energy resource. The energy management controller () further includes an RE coloring unit () that classifies power by coloring to allow power deals based on RE coloring.
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| − | | |
| − | ===DATA CIRCULATION CONTROL METHOD, DATA CIRCULATION CONTROL SYSTEM, AND APPROVAL SERVER ([[US Patent Application 18031973. DATA CIRCULATION CONTROL METHOD, DATA CIRCULATION CONTROL SYSTEM, AND APPROVAL SERVER simplified abstract|18031973]])=== | |
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| − | '''Brief explanation'''
| + | ===ACCELERATOR AND PARTICLE THERAPY SYSTEM ([[US Patent Application 18031162. ACCELERATOR AND PARTICLE THERAPY SYSTEM simplified abstract (Hitachi, Ltd.)|18031162]])=== |
| − | The patent application describes a method for controlling access to data between a provider and a user.
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| − | * The method involves an approval server that manages the data circulation process.
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| − | * The user notifies the approval server about the status of previously approved data.
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| − | * The user applies to the approval server for a use policy, which includes information about the security measures and the purpose of using the data.
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| − | * The approval server controls the user's access to the data based on the data's use status, protection level information, and use purpose.
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| − | | |
| − | '''Abstract'''
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| − | In a data circulation control method, an approval server including a processor and a memory controls access to data between a provision party computer providing the data and a use party computer using data. The method includes: a purpose accomplishment status notifying step in which the use party computer notifies the approval server of a use status of the previously approved data; a use application step in which the use party computer makes application to the approval server for a use policy including protection level information related to a security measure when the data is used and a use purpose of the data; and an access control step in which the approval server controls access of the use party computer to the data of the provision party computer based on the use status of the data, the protection level information, and the use purpose of the data.
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| − | | |
| − | ===ACCELERATOR AND PARTICLE THERAPY SYSTEM ([[US Patent Application 18031162. ACCELERATOR AND PARTICLE THERAPY SYSTEM simplified abstract|18031162]])=== | |
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| | Chishin HORI | | Chishin HORI |
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| − | '''Brief explanation'''
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| − | The present invention aims to increase the speed of extracting an ion beam from an accelerator.
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| − | * The accelerator consists of an upper magnetic pole and a lower magnetic pole that enclose an ion circulation space where ions move in a circular path.
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| − | * Either the upper or lower magnetic pole (or both) is designed in a way that the magnetic pole interval between them changes along the ion beam trajectory.
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| − | * Specifically, a wider interval region with a larger magnetic pole interval is created closer to the center point of the ion circulation space than the center point of the ion beam trajectory.
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| − |
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| − | '''Abstract'''
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| − | An object of the present invention is to speed up an operation of extracting an ion beam from an accelerator. An accelerator includes an upper magnetic pole and a lower magnetic pole sandwiching an ion circulation space in which ions circulate. At least one of the upper magnetic pole and the lower magnetic pole is formed such that a magnetic pole interval between the upper magnetic pole and the lower magnetic pole varies when the ion circulation space is viewed along an ion beam trajectory. That is, a wide interval region having a larger magnetic pole interval than a peripheral region is formed in a region closer to a center point of the ion circulation space than a center point of the ion beam trajectory.
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