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.
This technology concerns a hybrid bus boarding management system that allows bus users to convey their intention to board a desired bus. Specifically, it is a technology that links boarding request information among passengers, buses, and servers by utilizing both smart device apps and bus stop display terminals.
At existing bus stops, problems such as missing buses could occur due to multiple buses approaching simultaneously or passengers' intention to board not being clearly communicated to the driver. To address this, this technology proposes a method for integrated management of bus location, number of boarding requests, and boarding attempt information by linking display terminals, smart devices, bus boarding management servers, and SNS/big data servers.
Accordingly, this technology can more rationally support passengers' waiting for boarding and bus departure decisions, and can be expanded to enhance public transport operational efficiency, smart bus stops, and location-based lifestyle information services.
This technology relates to a measurement device for electrochemical luminescence devices and a method thereof. Specifically, it is a device technology for integrated measurement of voltage and luminance characteristics of electrochemical luminescence devices.
Conventional technology needed to address limitations of existing electrochemical lighting devices, such as performance degradation, rapid deterioration, and slow response speeds, by providing a method to verify material behavior logic based on device movement. Accordingly, this technology proposes a configuration that includes a power supply, a voltmeter, a photodiode, a signal processing unit, and a controller for measuring the voltage and luminance of electrochemical luminescence-based devices.
Accordingly, this technology can improve the performance and stability of electrochemical luminescence-based devices by preventing overcurrent and side reactions. It has valuable applications in the display, electronic device, and electronic component fields.
This technology relates to conductive polyamino acid derivatives, bio-circuit networks utilizing them, and methods for designing bio-circuit networks. Specifically, it is a bio-circuit network design technology using conductive polyamino acid derivatives.
Existing technologies faced challenges in ensuring biocompatibility while selectively delivering electrical stimulation to desired locations within biological tissues or cell culture environments. This technology, therefore, proposes a bio-circuit network that uses conductive polyamino acid derivatives to design electrical connection pathways and control cell growth locations and stimulation areas.
Accordingly, this technology enables precise control of electrical stimulation and signal transmission in cell culture environments, and can be extended to bio-electronic devices and tissue engineering applications. It holds significant value for applications in healthcare, pharmaceuticals, biotechnology, biology, and advanced materials.
This technology relates to a 3D printer integrated with a cutting unit. Specifically, it is a 3D printer technology that enhances surface quality by incorporating a linear motion cutting unit.
Existing technologies faced the challenge of accurately reflecting intended shapes in 3D prints and improving printing speed. To address this, the present technology proposes a configuration for a single 3D printer that includes a main frame, a mounting part, a bed, and a cutting part for lamination and cutting processes.
Accordingly, this technology improves the surface quality of 3D prints and shortens the time required for their manufacturing. It offers valuable applications in the 3D printing, machinery, and equipment sectors.
This technology relates to an LED detection method and apparatus for separating overlapping LEDs. Specifically, it is an image detection technology for separating overlapping LEDs based on a reference table.
In existing technology, when multiple LEDs overlap in an image within a vehicular visible light communication environment, there was a problem in stably distinguishing the position and center of each LED. To address this, the present technology proposes a method that manages LED information detected and separated in previous frames as a reference table, and then separately detects each LED using candidate centers and temporary boundary points in overlapping frames.
Accordingly, this technology can increase the identification accuracy of overlapping LEDs and improve the reliability of vehicle-to-vehicle visible light communication and image-based signal recognition. It has application value in the automotive, mobility, broadcasting, telecommunications, and electronic device sectors.
