This technology relates to a system and method for recognizing elderly living patterns. Specifically, it is an elderly living pattern recognition technology using ontology and behavioral intention inference.
Existing technologies needed to overcome the limitations of analytical tools used to measure living patterns and recognize behavioral intentions in elderly residential spaces. To address this, this technology proposes a configuration that includes a system for elderly living patterns, comprising an intention inference module, a living pattern learning module, and a living pattern display module.
Accordingly, this technology can improve the recognition of living patterns and behaviors by using sensory information based on the daily activities of the elderly. It has value for utilization in the healthcare, pharmaceutical, software, and household goods sectors.
This technology relates to a memory sharing system, method, and a recording medium storing a program for sharing memory in a virtualization system. Specifically, it is a system technology for sharing memory access based on privileges in a virtualized environment.
Previous technologies needed to address the difficulty of securing memory space for guests in virtualization systems. Therefore, this technology proposes a configuration including hardware, a host unit, a guest part, a kernel, and a virtual device for memory sharing.
Accordingly, this technology can improve memory sharing efficiency and security in virtualization systems. It has value for use in the IT, internet, and software fields.
This technology relates to a method and apparatus for generating VNFDs for Tacker. Specifically, it is a technology that automatically generates VNFDs for Tacker using TOSCA-based requirement input.
Existing technologies needed to address the necessity of manual editing and customization of VNFD templates, which was time-consuming and error-prone. To address this, the present technology proposes a configuration that includes a front-end, a back-end, and a database for rendering VNFD templates based on user input.
Accordingly, this technology can improve the efficiency and accuracy of VNFD template production by automating the process and reducing manual errors. It has value for use in the broadcasting, telecommunications, software, IT, and internet sectors.
This technology relates to a current sensor in which the current-carrying conductor for measurement is made of carbon nanotube windings. Specifically, it is a current sensor technology that lowers temperature sensitivity by applying carbon nanotube windings.
Existing technologies faced challenges such as the high-temperature coefficient and sensitivity to temperature changes of copper wire, which led to reduced precision and increased cost, weight, and size in current sensors. To address this, the present technology proposes a configuration that includes a shunt resistor, an ammeter, and an amplifier for measuring current values using carbon nanotube coils.
Accordingly, this technology can improve the precision of current measurement by applying carbon nanotube coils to the primary side coil and reducing sensitivity to temperature changes. It has valuable applications in electronic devices, electronic components, and advanced materials.
This invention relates to a soft serve ice cream vending machine, and more specifically, to a vending machine capable of automatically adding toppings to soft serve ice cream in various patterns.
Existing soft serve ice cream machines only allow users to select one of three desired flavors, and topping addition must be done individually by the vendor or user after the soft serve ice cream is dispensed from the machine.
To address these issues, the present invention provides a soft serve ice cream vending machine and its topping addition control method, which can freely and automatically add toppings to soft serve ice cream in various patterns according to the user's selection. This not only allows for easy topping addition but also satisfies a wide range of user choices and preferences.
This patent is currently implemented in actual vending machines.
This technology relates to a phase shifter capable of multi-angle phase shifting. Specifically, it is an RF phase shifter technology that implements multi-angle phase shifting using variable capacitance.
Conventional technology faced the challenge of increasing the size of the entire high-frequency transceiver due to the need for multiple phase shifters to shift phases at more diverse angles. To address this, the present technology proposes a configuration that includes a first transistor, a pair of first inductors, a second transistor, a second inductor, and a phase shifter with variable capacitance.
Accordingly, this technology improves the miniaturization of the entire high-frequency transceiver section and can reduce phase error through the varactor's capacitance parameters. It has valuable applications in broadcasting, telecommunications, electronic components, semiconductors, and equipment.
This technology relates to a field-effect transistor device capable of enhancement-mode operation. Specifically, it is an enhancement-mode FET device technology utilizing a beta-gallium oxide channel and a ferroelectric layer.
In conventional technology, there was a need to solve the technical challenge of implementing enhanced mode operation in field-effect transistors using beta-gallium oxide (β-Ga2O3) compared to prior art. To address this, the present technology proposes a configuration comprising an insulating layer arranged on a ferroelectric semiconductor layer having a band gap of at least 1.4 eV, based on van der Waals bonding, and a beta-gallium oxide (β-Ga2O3) channel layer.
Accordingly, this technology can improve the breakdown voltage characteristics of field-effect transistor devices by forming a passivation layer between the semiconductor mesa structure and the drain electrode. It has value for utilization in the fields of semiconductors, equipment, electronic components, and advanced materials.
This technology relates to a stacked structure power amplifier using parallel varactors. Specifically, it is a stacked structure RF power amplifier technology that enhances stability with parallel varactors.
Existing technologies needed to solve oscillation and mismatch problems caused by parasitic capacitance components in conventional stacked architecture power amplifiers. To address this, the present technology proposes a configuration including a controller that determines the magnitude of the control voltage for the varactor, a voltage impressing part for applying the control voltage, and a varactor for capacitance control.
Accordingly, this technology can improve circuit stability by controlling capacitance using a varactor in a stacked architecture power amplifier. It has value for utilization in semiconductor, equipment, electronic components, broadcasting, and telecommunications fields.
This technology is a buckling-restrained brace consisting of a hollow outer tube, an inner core with end plates and hollow holes at both ends, and a PCM layer filled with phase change material between the tube and the core to connect them as a single unit.
Conventional buckling-restrained braces use concrete reinforcement, which makes them heavy and difficult to adjust in length, resulting in poor on-site constructability.
By utilizing phase change material and an adjustable length structure, this technology achieves a lightweight design and improved constructability, allowing for easy installation in steel structure seismic retrofitting and effective energy dissipation.
This technology relates to an intelligent window system that communicates wirelessly with a hub device and detects door status using solar cells and vacuum suction panels.
Existing smart window systems have been limited by the need for separate power wiring and fixed installation methods.
To address this, this technology uses solar cells for self-sufficient power and a vacuum suction unit to attach to the door, enabling wireless detection of window status without the need for wiring.
This technology relates to a full-duplex communication transceiver utilizing circular polarization technology. Specifically, it is a full-duplex transceiver technology utilizing metasurfaces and circular polarization.
Conventional technologies faced issues of reduced power conversion efficiency and power loss in full-duplex communication systems, particularly in transformer-based full-duplex communication technologies. To address this, the present technology proposes a configuration that includes a transmitting and receiving device for full-duplex communication, utilizing circular polarization technology and comprising a communication circuit area, a metasurface structure, and an antenna unit.
Accordingly, this technology can improve power conversion efficiency, reduce power loss in full-duplex communication systems, and enable high-efficiency and compact full-duplex communication. It has application value in the broadcasting, telecommunications, electronic components, semiconductor, and equipment industries.
This technology pertains to a concrete structure reinforcement method. Specifically, it is a shear reinforcement technology for concrete structures using grooves and reinforcing mesh.
Existing concrete structure reinforcement methods, such as TRM methods in construction and FRP, faced challenges including reduced economic feasibility due to expensive epoxy resins, material heterogeneity, and abnormal temperature degradation. This technology addresses these issues by proposing a configuration that includes steps for concave groove formation, mortar layer coating, reinforcing mesh attachment, reinforcing mesh anchoring, and finishing plastering.
Accordingly, this technology can improve application characteristics and profitability while maintaining high durability and inherent safety, including fire resistance and structural performance. It offers valuable applications in the construction, civil engineering, and advanced materials sectors.
This technology relates to a manufacturing method for platinum alloy catalysts for fuel cells and fuel cells utilizing the same. Specifically, it is a manufacturing technology for low-cost, high-durability platinum alloy catalysts for fuel cells.
Existing technologies aimed to address the high manufacturing costs and economic burden associated with using platinum catalysts in fuel cell electrodes, and to reduce the unit cost of catalysts while improving their durability and stability. To achieve this, the present technology proposes a manufacturing method for platinum-alloy catalysts for fuel cells. This method includes steps for preparing a dispersion solution, controlling the pH of the dispersion solution, obtaining a platinum-alloy catalyst solution, and obtaining platinum-alloy catalyst powder.
Accordingly, this technology can improve the durability and stability of fuel cell electrodes by using platinum-alloy catalysts with reduced unit costs. It has significant application value in the fields of energy, chemistry, and advanced materials.
This technology concerns a processor capable of handling external service requests through a symmetric interface. More specifically, it is a processor architecture that processes external service requests using a symmetric interface.
Conventional technologies faced the challenge of performance degradation and complexity in multiprocessor systems, necessitating a processor capable of handling external service requests without IRQ pins and interrupt controllers. This technology addresses this by proposing a processor architecture that includes a symmetric interface, a service control point, and an internal buffer for storing and processing service requests.
Accordingly, this technology can improve the efficiency and performance of multiprocessor systems by providing a processor capable of handling external service requests without requiring IRQ pins and interrupt controllers. It has valuable applications in the fields of semiconductors, equipment, electronic components, and software.
This technology relates to an electronic identification tag consisting of a string secured to a facility and an RFID tag unit that slides along it.
Existing facility identification tags have been difficult to secure firmly in a desired position.
To address this, our technology uses a string grip tube and a knot formed through an exposed section to lock the tag unit in a specific position, thereby increasing facility management efficiency.
