Patents by Inventor Sang Yub Lee

Sang Yub Lee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240119203
    Abstract: Proposed is a continuous result collection system of license-independent computational fluid dynamics (CFD) simulation and data-driven machine learning for hybrid modeling. The continuous result collection system may include a user input processor configured to receive a 3D resource, a CFD simulation result, and structured data. The system may also include a framework processor configured to establish a database by accumulating data received from the user input processor and to perform hybrid modeling of the CFD simulation and a machine learning model.
    Type: Application
    Filed: September 13, 2023
    Publication date: April 11, 2024
    Inventors: In Pyo CHO, Sang Yub LEE, Jaekyu LEE
  • Publication number: 20240103892
    Abstract: Proposed is a system for managing a multi-service for smart navigation aids based on microservice architecture. The system may include a smart navigation aid integrated platform, and a main operating system (OS) that operates on the smart navigation aid integrated platform. The system may also include a lightweight virtual OS manager based on a docker engine, which operates on the main OS, a plurality of lightweight virtual OSs that operate on a container basis by the lightweight virtual OS manager. The system may further include service applications that operate to correspond to the plurality of lightweight virtual OSs, respectively.
    Type: Application
    Filed: September 7, 2023
    Publication date: March 28, 2024
    Inventors: In Pyo CHO, Sang Yub LEE, Jaekyu LEE, Ki Won KWON
  • Patent number: 11545975
    Abstract: This application relates to a mechanical button apparatus that includes a body where an upper portion thereof is closed and a lower portion thereof is opened and a bottom plate attached on a display screen of a display apparatus to cover the opened lower portion. The body includes an aperture member including a wing set expanded or contracted in a rotation direction of the body. The body also includes a photovoltaic (PV) cell array substrate including a PV cell configured to generate power for charging a battery and an optical sensor configured to convert light signals, reflected by the expanded or contracted wing set, into electrical signals. The body further includes a circuit substrate configured to operate with the power charged into the battery, calculate number of rotation manipulations of the body by using the electrical signals, and transmit the calculated number of rotation manipulations to the display apparatus.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: January 3, 2023
    Assignee: Korea Electronics Technology Institute
    Inventors: Sang Yub Lee, Jae Kyu Lee
  • Patent number: 11449738
    Abstract: Provided are a system and method for managing a neuromorphic memory. The system includes a memory having a multi-dimensional lattice structure, a prescience estimator (PSE) configured to separately estimate memory use of two or more data sets and determine a sequence of inputting the two or more data sets to the memory, and a prescience manager (PSM) configured to allocate memory regions in which the two or more data sets will be stored according to estimation results of the PSE, store the data sets, and perform learning and inference.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: September 20, 2022
    Assignee: Korea Electronics Technology Institute
    Inventors: Sang Yub Lee, Jae Jin Ko, In Pyo Cho, Jae Kyu Lee
  • Publication number: 20220098005
    Abstract: This application relates to a magnetic field sensing-based noncontact button apparatus, an elevator control panel, and an operating method thereof. In one aspect, the operating method includes collecting a magnetic field sensor value corresponding to each of a plurality of buttons based on an action of a user for button manipulation. The method also includes assigning a weight value, used for activating a button, to a Z-axis value of the magnetic field sensor value corresponding to a button input direction of the user for each button and collecting number of uses of each button. The method further includes adjusting a variation width of a weight function based on the Z-axis value based on the number of uses of each button to construct a surface data set corresponding to each button, and setting the surface data set to learning data to learn an algorithm for activating the button.
    Type: Application
    Filed: December 29, 2020
    Publication date: March 31, 2022
    Inventors: Sang Yub LEE, Jae Kyu LEE
  • Publication number: 20220006648
    Abstract: Disclosed are blockchain type contract terminal and method using a digital contents original confirmation key.
    Type: Application
    Filed: October 16, 2019
    Publication date: January 6, 2022
    Inventors: Sang Yub LEE, So Dam SONG, Do Kyung RHEE, Byeong Yong RHEE
  • Publication number: 20210409225
    Abstract: Disclosed are blockchain type contract terminal and method using position information. There are provided: an input module that is inputted with a contract term regarding an object of contract; a position information collection module that collects, in real time, position information of the object at the time of contract; a contract creation module that creates a contract by using the contract term inputted by the input module and the position information at the time of contract collected in real time by the position information collection module; a blockchain creation module that encrypts the contract created by the contract creation module to create a blockchain; and a blockchain distributed storage control module that transmits the blockchain created at the blockchain creation module to another terminal in a P2P manner for storing on a network in a distributed manner.
    Type: Application
    Filed: October 16, 2019
    Publication date: December 30, 2021
    Inventors: Sang Yub LEE, So Dam SONG, Do Kyung RHEE, Byeong Yong RHEE
  • Publication number: 20210257169
    Abstract: This application relates to a mechanical button apparatus that includes a body where an upper portion thereof is closed and a lower portion thereof is opened and a bottom plate attached on a display screen of a display apparatus to cover the opened lower portion. The body includes an aperture member including a wing set expanded or contracted in a rotation direction of the body. The body also includes a photovoltaic (PV) cell array substrate including a PV cell configured to generate power for charging a battery and an optical sensor configured to convert light signals, reflected by the expanded or contracted wing set, into electrical signals. The body further includes a circuit substrate configured to operate with the power charged into the battery, calculate number of rotation manipulations of the body by using the electrical signals, and transmit the calculated number of rotation manipulations to the display apparatus.
    Type: Application
    Filed: December 21, 2020
    Publication date: August 19, 2021
    Inventors: Sang Yub Lee, Jae Kyu Lee
  • Publication number: 20210042615
    Abstract: Provided are a system and method for managing a neuromorphic memory. The system includes a memory having a multi-dimensional lattice structure, a prescience estimator (PSE) configured to separately estimate memory use of two or more data sets and determine a sequence of inputting the two or more data sets to the memory, and a prescience manager (PSM) configured to allocate memory regions in which the two or more data sets will be stored according to estimation results of the PSE, store the data sets, and perform learning and inference.
    Type: Application
    Filed: August 9, 2019
    Publication date: February 11, 2021
    Inventors: Sang Yub LEE, Jae Jin KO, In Pyo CHO, Jae Kyu LEE
  • Patent number: 9998224
    Abstract: An audio system based on an in-vehicle optical network and a broadcasting method thereof are provided. The audio system according to an exemplary embodiment includes: a multi-channel router which is connected to an in-vehicle optical network to receive a multi-channel audio signal from audio signals received from the optical network; and a plurality of speakers which are connected to the multi-channel router to receive the multi-channel audio signal through the multi-channel router. Accordingly, the speakers can operate by interworking with a network even when they have no function as network devices.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: June 12, 2018
    Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Sang Yub Lee, Jae Jin Ko
  • Publication number: 20160335378
    Abstract: Direct mapping method and system for converting MODBUS data into IEC61850 data based on machine learning are provided. The data direct mapping method according to an exemplary embodiment includes: generating a simulation value based on external information; estimating a parameter indicated by a measurement value through machine learning using the measurement value outputted from a generating device and the generated simulation value; and converting a data structure of the measurement value with reference to the estimated parameter. Accordingly, the MODBUS data can be directly converted into the IEC61850 data without data reconversion using a data gateway.
    Type: Application
    Filed: April 25, 2016
    Publication date: November 17, 2016
    Inventors: Sang Yub LEE, Kyung Sun HAM, Tae Hyoung KIM, Jae Kyu LEE
  • Publication number: 20160330561
    Abstract: An audio system based on an in-vehicle optical network and a broadcasting method thereof are provided. The audio system according to an exemplary embodiment includes: a multi-channel router which is connected to an in-vehicle optical network to receive a multi-channel audio signal from audio signals received from the optical network; and a plurality of speakers which are connected to the multi-channel router to receive the multi-channel audio signal through the multi-channel router. Accordingly, the speakers can operate by interworking with a network even when they have no function as network devices.
    Type: Application
    Filed: April 21, 2016
    Publication date: November 10, 2016
    Inventors: Sang Yub LEE, Jae Jin KO
  • Patent number: 9136945
    Abstract: Provided herein is a communication system and method capable of performing visible light communication and optic networking, the system performing visible light communication with an electronic device inside a vehicle and accessing an optic network inside the vehicle. Accordingly, RF interference and distortion is removed, and thus not effecting use of a wireless device inside the vehicle, thereby reducing malfunction/error of a electronic control device and enabling real time data transceiving in the vehicle.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: September 15, 2015
    Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Sang Yub Lee, Sang Hyun Park, Hyo Sub Choi, Chul Dong Lee
  • Patent number: 8938336
    Abstract: An occupant safety system using an optical fiber grid sheet and a method thereof are provided. The occupant safety system applies light to optical fibers constituting an optical fiber grid which is attached to a moving body and in which the optical fibers are arranged in a grid pattern; receives the applied light through the optical fibers; grasps a location of impact on the moving body based on the received light receiving signals; and controls operations of safety devices provided in the moving body based on the grasped location of the impact. Accordingly, the occupant safety system can sense impacts on the moving body everywhere through the optical fiber grid, and can exactly grasp the location of the impact and can drive an appropriate safety device timely. Therefore, the occupant can be protected safely.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: January 20, 2015
    Assignee: Korea Electronics Technology Institute
    Inventors: Sang Yub Lee, Sang Hyun Park, Hyo Sub Choi, Soo Young Min
  • Patent number: 8866622
    Abstract: A system and a method for preventing drowsiness are provided. The system for preventing drowsiness calculates brainwaves of a user by receiving a signal around a head of a user without contact, detects a state of the user based on the calculated brainwaves, and performs a necessary function according to the detected state of the user. Thus, convenience is increased when measuring the brainwaves of the driver using the contactless electrodes.
    Type: Grant
    Filed: December 1, 2011
    Date of Patent: October 21, 2014
    Assignee: Korean Electronics Technology Institute
    Inventors: Sang-Yub Lee, Hyo-Sub Choi, Chul-Dong Lee, Sang-Hyun Park
  • Publication number: 20140214282
    Abstract: An occupant safety system using an optical fiber grid sheet and a method thereof are provided. The occupant safety system applies light to optical fibers constituting an optical fiber grid which is attached to a moving body and in which the optical fibers are arranged in a grid pattern; receives the applied light through the optical fibers; grasps a location of impact on the moving body based on the received light receiving signals; and controls operations of safety devices provided in the moving body based on the grasped location of the impact. Accordingly, the occupant safety system can sense impacts on the moving body everywhere through the optical fiber grid, and can exactly grasp the location of the impact and can drive an appropriate safety device timely. Therefore, the occupant can be protected safely.
    Type: Application
    Filed: January 22, 2014
    Publication date: July 31, 2014
    Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Sang Yub LEE, Sang Hyun PARK, Hyo Sub CHOI, Soo Young MIN
  • Publication number: 20140132770
    Abstract: Provided herein is a vehicle side camera system and control method thereof. The vehicle side camera system according to the exemplary embodiment of the present disclosure controls the photographing direction and angle of a left/right side camera mounted on a left/right side mirror location of the vehicle based on driving information of the vehicle. Accordingly, it is possible to provide driver's convenience and safe driving, and especially, to remove dead zones occurring due to pillars when the driver makes a turn.
    Type: Application
    Filed: November 14, 2013
    Publication date: May 15, 2014
    Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Sang Yub LEE, Sang Hyun PARK, Hyo Sub CHOI, Soo Young MIN
  • Patent number: 8681017
    Abstract: A visible light communication apparatus for a vehicle is provided. The visible light communication apparatus for the vehicle includes a vehicle optical receiver for receiving a visible light signal including a tunnel light node ID, a front passing vehicle node ID, and tunnel environment data, from a tunnel light and converting the visible light signal to an electric signal; and a vehicular visible light emitting diode unit arranged to face the optical receiver for converting vehicle speed and location information calculated by counting tunnel light node IDs received over a certain time, to a visible light signal and sending the visible light signal to the tunnel light. Using the vehicular visible light communication apparatus and the tunnel light having the visible light communication function, an efficient vehicular communication system can be built in the tunnel.
    Type: Grant
    Filed: December 28, 2010
    Date of Patent: March 25, 2014
    Assignee: Korea Electronics Technology Institute
    Inventors: Sang Yub Lee, Hyo Sub Choi, Chul Dong Lee
  • Publication number: 20140063253
    Abstract: The vehicle AVM system according to an exemplary embodiment of the present disclosure includes a first camera network constructed of some of the cameras configuring the AVM system; a second camera network constructed of some of the cameras configuring the AVM system; and a processor configured to create a first image from the images created by the cameras configuring the first camera network, and to create a second image from the images created by the cameras configuring the second camera network. Accordingly, by installing more number of cameras in an AVM system of a vehicle than the number of cameras in a general vehicle and thus removing dead zones according to vehicle characteristics, it becomes possible to perform smooth networking and prevent image delay, thereby preventing accidents due to dead zones and image delay.
    Type: Application
    Filed: August 28, 2013
    Publication date: March 6, 2014
    Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Sang Yub Lee, Hyo Sub Choi, Sang Hyun Park, Soo Young Min
  • Publication number: 20140064740
    Abstract: Provided herein is a communication system and method capable of performing visible light communication and optic networking, the system performing visible light communication with an electronic device inside a vehicle and accessing an optic network inside the vehicle. Accordingly, RF interference and distortion is removed, and thus not effecting use of a wireless device inside the vehicle, thereby reducing malfunction/error of a electronic control device and enabling real time data transceiving in the vehicle.
    Type: Application
    Filed: August 30, 2013
    Publication date: March 6, 2014
    Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Sang Yub Lee, Sang Hyun Park, Hyo Sub Choi, Chul Dong Lee