This technology concerns an augmented reality system.
To use existing augmented reality content, users must continuously recognize the corresponding anchor, which forces them to hold their device in a specific direction for extended periods. We propose a method to match anchors with pre-stored augmented reality content.
The augmented reality display device based on this technology can continuously play the user's desired augmented reality content, regardless of whether the corresponding anchor is continuously recognized. Consequently, users of handheld augmented reality display devices, such as smartphones, can avoid the inconvenience of holding their device towards an anchor for extended periods when accessing AR content, thereby significantly improving usability.
This technology relates to a code-based vehicle data verification device, method, and system. Specifically, it is a security technology that verifies vehicle data using symmetric polynomial-based key distribution.
Previous technologies needed to address the vulnerability of smart vehicles to attacks such as tapping and modulation of sensing data, which could threaten the operator's life. To address this, the present technology proposes a configuration that includes a method for distributing secret keys to multiple electronic control units using variable symmetric polynomials and verifying data integrity.
Accordingly, this technology can improve the security and reliability of vehicle systems by providing lightweight encryption technology suitable for vehicle environments. It has value for use in the automotive, mobility, and software sectors.
This technology relates to a method for manufacturing a lithium manganese oxide-carbon source cathode active material and the lithium manganese oxide-carbon source cathode active material manufactured thereby. Specifically, it is a manufacturing technology for lithium manganese oxide cathode active material with enhanced stability by introducing a carbon source.
Existing technologies needed to address the limitations of conventional lithium manganese oxide cathode active materials, which suffered from poor cyclability and capacity fade, by introducing polymeric carbon sources to improve conductivity and stability. To this end, the present technology proposes a manufacturing method comprising the steps of forming a mixture of lithium manganese oxide dispersed in a solvent, adding a carbon source to the mixture to form a solution, and heating the solution to form a lithium manganese oxide-carbon source cathode active material.
Accordingly, this technology can improve the stability and power output of lithium manganese oxide-carbon source cathode active materials by enhancing conductivity and cyclability through the use of polymeric carbon sources. It has valuable applications in the fields of secondary batteries, advanced materials, and chemistry.
This technology relates to large-area carbon nanotube non-woven fabric and its manufacturing method. Specifically, it is a manufacturing technology for low basis weight, high strength, large area carbon nanotube non-woven fabric.
Conventional technologies using nano carbon/polymer composites faced limitations such as high density, poor processability, and high cost in traditional electromagnetic shielding materials. To address this, the present technology proposes a structure comprising a carbon nanotube non-woven fabric, a basis weight adjustment layer, and a supramolecular linker for cross-linking carbon nanotube powder and hydrocarbon fibers.
Accordingly, this technology can improve the mechanical strength and electromagnetic shielding of carbon nanotube non-woven fabric by using a supramolecular linker and hydrocarbon fibers. It offers valuable applications in the fields of advanced materials and electronic components.
This technology relates to a magnetic field-based object localization system and method using an underwater sensor network. Specifically, it is a technology for estimating the position of moving objects using an underwater magnetic field sensor network.
Conventional localization technologies in underwater environments, such as ToA and fingerprinting, have limitations that require more accurate localization methods. This technology proposes a system for estimating the position of an object using an underwater magnetic field sensor network, and a configuration that includes a method for determining the object's entry into the sensor network.
Accordingly, this technology can improve the accuracy of localization in underwater environments by using the extracted induced magnetic field to determine an object's entry into the sensor network. It has practical value in the shipbuilding and marine, environmental, ecosystem, and electronic device sectors.
This technology relates to a heat exchange ventilator, and more specifically, to an energy-saving heat exchange ventilator that minimizes thickness by embedding a total heat exchanger and using only one blower fan and one total heat exchanger, thereby replacing existing ventilators installed within windows and ducts.
Existing ventilation systems forcibly exhaust indoor air to the outside without any means for heat exchange. This leads to significant energy waste, as warm indoor air heated in winter is discharged outdoors, and cooled indoor air in summer is forcibly expelled. To address this, we propose a method that blocks the rear of the blower fan and the front of the total heat exchanger, thereby generating airflow through the rotation of the blower fan.
This technology minimizes the ventilator's thickness by positioning the total heat exchanger either below or above the blower fan. By configuring the outdoor and indoor airflows, generated by the blower fan's rotation, to pass through the total heat exchanger, it ensures smooth heat exchange between the outdoor and indoor air with a simple structure, thereby enabling significant energy savings.
This technology relates to a circularly polarized impulse radiating device and its method. Specifically, it is a UWB technology that radiates circularly polarized impulses using time-reversal pulse compression.
Conventional technologies needed to address the limitations and performance degradation issues of single-polarized impulses in UWB systems by utilizing rotating circularly polarized impulses and transmitting signals. To this end, this technology proposes a configuration that includes a signal generator for generating a time-reversed impulse response along with time-reversal pulse compression, and an antenna with dispersive characteristics for compressing the impulse response and radiating short pulses.
Accordingly, this technology can improve the performance of UWB systems by transmitting circularly polarized impulses through an antenna with dispersive characteristics using pulse compression technology. It has practical value for applications in broadcasting, telecommunications, and electronic device sectors.
This technology relates to a flight simulation device for unmanned aerial vehicles and an unmanned aerial vehicle flight simulation system using the same. Specifically, it is a 3D flight simulation technology that modifies UAV paths based on flight records.
Existing technologies needed to address limitations of conventional flight simulation technologies, such as the need for specialized operations and the inability to simulate real-world flight conditions. To address this, the present technology proposes a configuration that includes a flight simulation device that receives flight record information, displays flight paths in a 3D virtual space, and modifies the flight record information to avoid specific geographical features.
Accordingly, this technology can improve the efficiency and safety of unmanned aerial vehicle flight simulation by enabling automatic modification of flight paths and avoidance of specific geographical features. It has value for utilization in the aerospace and software fields.
This technology relates to hydrogels for artificial skin with controlled mechanical strength and methods for manufacturing them. Specifically, it is a manufacturing technology for artificial skin hydrogels with controlled strength and porosity.
Existing technologies faced the challenge of providing artificial skin with controlled mechanical strength and appropriate microstructures for skin regeneration. To address this, the present technology proposes a configuration comprising hydrogels with serially connected collagen and monomer crosslinks, exhibiting porosity and controlled mechanical strength.
Accordingly, this technology can improve the control of mechanical strength and porosity in artificial skin hydrogels, thereby enhancing their potential for skin regeneration. It has value for utilization in the fields of healthcare, pharmaceuticals, bio, biology, and advanced materials.
This technology relates to a method and apparatus for probability-based LED tracking in captured images. Specifically, it is an LED tracking technology utilizing optical flow and pixel intensity probability.
Existing technologies needed to address the challenge of accurately tracking LEDs in a series of images, particularly in high-speed camera scenarios, by considering statistical information from optical flow and pixel intensity distribution. Accordingly, this technology proposes a configuration that includes a method for tracking LEDs in captured images based on optical flow and pixel intensity distribution.
Accordingly, this technology can improve the accuracy of LED detection in a series of images by considering statistical information from optical flow and pixel intensity distribution. It has application value in the fields of broadcasting, telecommunications, automotive, mobility, and software.
This technology concerns an IoT-based monitoring system for remotely managing the safety of seniors living alone at home. Specifically, it's a technology that collects and analyzes infrared detection signals from each living space to transmit activity status and signs of danger to guardians and emergency response agencies.
Existing safety management methods for seniors living alone had limitations, making it difficult for individuals to directly request help in emergencies and precisely identify indoor locations or activity patterns. To address this, this technology proposes a system that links multiple IoT infrared detection sensors, APs, a safety management server, and a big data server within the residence to analyze location-specific detection information and notify abnormal situations in real-time.
Accordingly, this technology can quickly identify reduced movement, potential need for help, and conditions requiring disease-related management for seniors living alone. This makes it valuable in non-face-to-face care, emergency response, and elderly residential safety management service sectors.
This technology relates to a composition for a polylactic acid toughening agent, a toughened polylactic acid copolymer manufactured using this composition, and its manufacturing method. Specifically, it is a technology for a polylactic acid toughening agent composition with enhanced miscibility and toughness.
Existing technologies provided compositions for polylactic acid toughening agents and toughened polylactic acid copolymers with improved tensile strength, elongation at break, and toughness. However, there was a need to overcome the limitations of conventional polylactic acid toughening methods, such as low elongation and toughness, and poor miscibility with polylactic acid. Accordingly, this technology proposes a configuration that includes a composition for a polylactic acid toughening agent comprising a compound represented by Chemical Formula 1, and a method for manufacturing a polylactic acid copolymer using this composition.
Accordingly, this technology can enhance miscibility with polylactic acid by improving the tensile strength, elongation at break, and toughness of reinforced polylactic acid copolymers. It has value for utilization in the fields of chemistry and advanced materials.
This technology concerns a system and method for trading frequency spectrum usage information using a blockchain network. Specifically, it is a technology for transacting frequency spectrum usage information via a blockchain network.
Existing technologies faced the challenge of accurately predicting received signal strength and determining spectrum application scenarios in specific areas, which was difficult to achieve with conventional methods. To address this, the present technology proposes a configuration that includes a service server, user terminal, and exchange server participating in a blockchain network for frequency spectrum usage information transactions.
Accordingly, this technology can improve the accuracy of electromagnetic environment prediction, including shadow areas and traffic hot spots, and facilitate radio station checks. It offers valuable applications in broadcasting, telecommunications, IT, internet, finance, and insurance sectors.
This technology relates to a 2D coding method and apparatus for visible light communication. Specifically, it is a 2D coding technology for visible light communication using an LED array and a rolling shutter.
Conventional technologies faced the challenge of addressing the complexity of software and hardware cost issues in Optical Camera Communication (OCC) while simultaneously increasing data transmission speed. To overcome this, the present technology proposes a configuration that includes an LED array, a controller, and a complementary metal-oxide-semiconductor (CMOS) sensor for visible light communication.
Accordingly, this technology can improve data transmission capacity and speed in Optical Camera Communication (OCC) by encoding data in two dimensions using multiple vertical panels and a rolling shutter mechanism. It has practical value for applications in broadcasting, telecommunications, and electronic device sectors.
This technology concerns a method for detecting accident-risk vehicles in tunnels, along with the recording media and devices for implementing it. Specifically, it is an accident-risk vehicle detection technology that analyzes lane and vehicle positions in tunnel footage.
Existing technologies faced challenges when vehicles collided inside tunnels due to operator negligence, leading to accidents. When an accident-involved vehicle was towed by a sideway or recovery vehicle, entry for recovery vehicles was difficult and time-consuming. To address this, the present technology proposes a system that includes a device for implementing a tunnel accident-risk vehicle recognition method. This system uses recording media and continuous imagery of the tunnel interior to detect vehicles violating tunnel safety driving rules.
Accordingly, by utilizing continuous imagery of the tunnel interior, this technology can improve the detection of vehicles violating safe driving rules within tunnel accident-risk vehicle detection systems. It offers valuable applications in the automotive, mobility, construction, civil engineering, and software sectors.
