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.
This technology relates to the operating method of a music monitoring system. Specifically, it is a blockchain-based technology for registering music usage history and monitoring copyright settlements.
Existing technologies needed to address the challenge of monitoring music usage and ensuring fair usage identification and accurate calculation in music distribution. To overcome this, the present technology proposes a configuration that includes an operating method for a music monitoring system, comprising steps such as transmitting creation request information and executing chain code.
Accordingly, this technology can improve the monitoring results of music usage and ensure fair usage identification and accurate calculation on a blockchain network during music distribution. It has application value in the fields of gaming, entertainment, software, and legal services.
This technology relates to multi-level converters. Specifically, it is a multi-level power conversion technology that reduces capacitor ripple using magnetically coupled submodules.
Conventional technologies faced a fundamental problem in modular multi-level converters: as the operating line frequency decreases, the low-frequency ripple component of the submodule (SM) capacitor voltage increases, negatively impacting system performance and lifespan. To address this, the present technology proposes a configuration that includes multiple submodules, transformers, and two consecutive submodules magnetically coupled to the transformer windings and magnetic core, along with two half-bridge switches within each submodule to eliminate ripple power.
As a result, this technology can improve system performance and lifespan by reducing the low-frequency ripple component of the submodule (SM) capacitor voltage, and eliminate the need for large storage capacitors in submodules. It has high utility value in the fields of electricity, power generation, energy, and electronic components.
This technology relates to a photo-taking based scribble drawing device and method. Specifically, it is a customized scribble drawing technology combining photo image object recognition and robot control.
Existing technologies needed to address the demand for customizable products by providing methods for easily customizing existing industrial products. To address this, the present technology proposes a configuration that includes a mobile device, a server, and a scribbling drawing robot connected via a network.
Accordingly, this technology can improve the accuracy of scribbling images by performing pre-processing to remove small bounding boxes and overlapping objects. It has potential for use in robotics, automation, software, and household goods.
This technology relates to a method for measuring cavities caused by ground subsidence by installing an outer pipe, an inner pipe, and a filling material into a drilled pavement.
Previously, it was difficult to quantitatively measure cavities formed beneath the ground due to events such as earthquakes.
To address this, the technology calculates cavity volume based on the amount of filling material that descends when a cavity occurs, allowing for the quantitative measurement of ground subsidence.
This technology relates to a drone equipped with main and sub-propellers and a tilting guide mechanism designed to facilitate propeller tilting for long-range flight.
Conventional drones often suffer from low long-range flight efficiency due to difficulties in transitioning between lift and propulsion.
To address this, our technology uses a tilting guide ring and a connecting ring to stably guide propeller tilting, thereby improving long-range efficiency and maneuverability.
This technology relates to a weed control mat that is secured to posts using an asymmetric fastening system consisting of a key-shaped fastener and a U-shaped adjustment slot.
Conventional weed control mats have struggled to adapt to varying distances between posts around traffic safety facilities.
To address this, our technology uses asymmetric fasteners and adjustment slots to flexibly accommodate post positioning, allowing for easy installation and protection around traffic safety facilities.
This technology relates to a service method and system that analyzes the color regions and color information of nail art images, matches them with registered recipes, and calculates and displays a fair price.
Previously, it was difficult to objectively calculate fair pricing for nail art services based on materials and complexity.
To address this, this technology extracts color regions and information from images, matches them with similar recipes, and analyzes them to automatically calculate and suggest a fair price.
This technology relates to a cultivation system that manages light-supplying cultivation units and nutrient-supplying units via smart devices.
Existing cultivation systems have struggled with integrated management of light and nutrient supply, as well as limited modular scalability.
To address this, the technology combines sealed unit modules with a nutrient supply system based on a main tank and transfer pipes, enabling precise plant cultivation and management through smart devices.
This technology relates to an acupressure medical band featuring a band sheet equipped with a protrusion-fixing section coated with C-shaped pressure protrusions and mugwort components.
Conventional acupressure bands have suffered from weak pressure point support and difficulty in incorporating traditional herbal medicinal ingredients.
To address these issues, this technology utilizes the tips of the C-shaped protrusions for acupressure, provides stable support via a support piece, and applies mugwort components to deliver both acupressure and herbal therapeutic effects.
