Patents by Inventor Sang Kyu Lim

Sang Kyu Lim 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: 20240125908
    Abstract: A method for manufacturing a LiDAR device is proposed. The method may include providing a LiDAR module including a laser emitting module and a laser detecting module to a target region. The method may also include adjusting, on the basis of first detecting data obtained from the laser detecting module, a relative position of a detecting optic module with respect to the laser detecting module. The method may further include adjusting, on the basis of image data obtained from at least one image sensor, a relative position of an emitting optic module with respect to the laser emitting module.
    Type: Application
    Filed: December 21, 2023
    Publication date: April 18, 2024
    Inventors: Chan M LIM, Dong Kyu KIM, Chang Mo JEONG, Hoon Il JEONG, Eunsung KWON, Junhyun JO, Bumsik WON, Suwoo NOH, Sang Shin BAE, Seong Min YUN, Jong Hyun YIM
  • Publication number: 20240117168
    Abstract: The present invention relates to a semiconductive resin composition for a high voltage power cable. Specifically, the present invention relates to a semiconductive resin composition comprising a base resin in which ethylene butyl acrylates having different melting indices are mixed, carbon black, an antioxidant, and a crosslinking agent. In addition, the present invention relates to a semiconductive resin composition for a high voltage power cable, the composition having excellent scorch stability and processability and low volume resistance even at a high temperature.
    Type: Application
    Filed: February 17, 2022
    Publication date: April 11, 2024
    Applicant: HANWHA SOLUTIONS CORPORATION
    Inventors: In Jun LEE, Jae Yun LIM, Kisik KIM, Jeong Hyun PARK, Sang Kyu PARK
  • Publication number: 20240082355
    Abstract: Provided are a liquid formulation of protein and a method of preparing the same. According to a liquid formulation containing a high concentrate of eflapegrastim and a method of preparing the same, the liquid formulation may have excellent solubility and stability, may have a high concentration of protein, and may be injected in a patient-friendly manner due to reduced irritation/pain at the administration site or patient discomfort.
    Type: Application
    Filed: January 26, 2022
    Publication date: March 14, 2024
    Applicant: Hanmi Pharm. Co., Ltd.
    Inventors: Hyung Kyu LIM, Sang Yun KIM, Sung Hee HONG
  • Patent number: 11920783
    Abstract: A flame port unit structure of a combustion apparatus provided with a plurality of flame ports for forming a flame comprises: a lean flame port unit, as a flame port for jetting lean gas, including a plurality of lean flame ports arranged along a width direction which is perpendicular to the jetting direction of the lean gas; and a rich flame port unit, as a flame port for jetting rich gas, including a pair of rich flame ports provided on both sides of the lean flame port unit with respect to a width direction, wherein the lean flame port unit comprises a first region in which a gap along the width direction of the lean flame port is formed along a longitudinal direction which is perpendicular to the jetting direction and the width direction, and a second region, provided on both sides along the longitudinal direction of the first region.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: March 5, 2024
    Assignee: KYUNGDONG NAVIEN CO., LTD
    Inventors: Jun Kyu Park, Sang Hyun Nam, Hyun Muk Lim, Whee Jun Lim
  • Publication number: 20230306630
    Abstract: An image analysis server, an object counting method using the image analysis server, and an object counting system are provided, in which the object counting method using the image analysis server includes, by a user terminal, inputting an image including one or more objects, by an image analysis server, forming a plurality of boxes for each of the objects, and keeping only the number of boxes corresponding to the objects and deleting the other boxes of the plurality of boxes, and by the image analysis server, counting the number of the remaining boxes and transmitting the corresponding number of the boxes to the user terminal.
    Type: Application
    Filed: May 16, 2023
    Publication date: September 28, 2023
    Inventor: Sang Kyu Lim
  • Publication number: 20230155678
    Abstract: Provided are a pulse-matched filter-based packet detection apparatus and method. The packet detection apparatus includes a photoelectric converter for converting an optical wireless communication signal into an electrical signal, an analog-to-digital converter (ADC) for converting the electrical signal into a digital signal, a pulse-matched filter for outputting a first correlation representing a correlation between a pulse obtained by oversampling a modulated pulse and the digital signal, a correlator for outputting a second correlation representing a correlation between the first correlation and a preamble code, a packet detection signal generator for generating a packet detection signal by comparing the second correlation and a packet detection threshold value, and a demodulator for demodulating the digital signal based on the packet detection signal.
    Type: Application
    Filed: August 31, 2022
    Publication date: May 18, 2023
    Applicants: Electronics and Telecommunications Research Institute, Global Lifi Partners Korea Co., Ltd.
    Inventors: Jin Doo JEONG, Sang-Kyu LIM
  • Patent number: 10585496
    Abstract: Disclosed herein are a method for recognizing a table for an electronic menu system based on visible light and an apparatus for the same. The method includes receiving, by a visible light receiver connected to a smart device provided to a customer in a restaurant, multiple visible light signals from multiple lamps installed in the restaurant; detecting at least one valid signal from the multiple visible light signals in consideration of the multiple visible light signals and sensor data collected from a sensor installed in the smart device; and recognizing a table at which the customer is sitting using table information included in the at least one valid signal.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: March 10, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Ji-Hun Jeon, Myung-Soon Kim, Sang-Kyu Lim, Tae-Gyu Kang, Jong-Hyun Park
  • Publication number: 20180232066
    Abstract: Disclosed herein are a method for recognizing a table for an electronic menu system based on visible light and an apparatus for the same. The method includes receiving, by a visible light receiver connected to a smart device provided to a customer in a restaurant, multiple visible light signals from multiple lamps installed in the restaurant; detecting at least one valid signal from the multiple visible light signals in consideration of the multiple visible light signals and sensor data collected from a sensor installed in the smart device; and recognizing a table at which the customer is sitting using table information included in the at least one valid signal.
    Type: Application
    Filed: August 17, 2017
    Publication date: August 16, 2018
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Ji-Hun JEON, Myung-Soon KIM, Sang-Kyu LIM, Tae-Gyu KANG, Jong-Hyun PARK
  • Patent number: 9900094
    Abstract: Disclosed herein is a method of performing visible-light wireless communication using light-emitting diode (LED) illumination, in which Variable Pulse Position Modulation (VPPM) is used for low-speed data transmission and dimming of illumination, and orthogonal frequency division multiplexing (OFDM) modulation is used in a VPPM on period for high-speed data transmission.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: February 20, 2018
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Il-Soon Jang, Tae-Gyu Kang, Myung-Soon Kim, Sang-Kyu Lim, Jin-Doo Jeong
  • Patent number: 9900093
    Abstract: Disclosed herein is visible light communication technology having improved reception performance regardless of dimming control of lighting based on VPPM signals. A visible light communication apparatus includes a preamble generator for generating a preamble signal, a header generator for generating a PHY header, which includes information about the physical layer of a transmission packet and dimming information including the target dimming level of the transmission packet, a fixed dimming VPPM modulator for modulating the PHY header into a first VPPM signal according to a predetermined ratio, a transmission unit signal processor for generating transmission data by performing signal processing for data to be transmitted, a variable dimming VPPM modulator for modulating the transmission data into a second VPPM signal having the target dimming level of the transmission packet, and a signal synthesizer for forming the transmission packet by combining the first and second VPPM signals.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: February 20, 2018
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jin-Doo Jeong, Tae-Gyu Kang, Myung-Soon Kim, Sang-Kyu Lim, Il-Soon Jang
  • Publication number: 20170099103
    Abstract: Disclosed herein is a method of performing visible-light wireless communication using light-emitting diode (LED) illumination, in which Variable Pulse Position Modulation (VPPM) is used for low-speed data transmission and dimming of illumination, and orthogonal frequency division multiplexing (OFDM) modulation is used in a VPPM on period for high-speed data transmission.
    Type: Application
    Filed: June 22, 2016
    Publication date: April 6, 2017
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: IL-SOON JANG, Tae-Gyu KANG, Myung-Soon KIM, Sang-Kyu LIM, Jin-Doo JEONG
  • Publication number: 20170041069
    Abstract: Disclosed herein is visible light communication technology having improved reception performance regardless of dimming control of lighting based on VPPM signals. A visible light communication apparatus includes a preamble generator for generating a preamble signal, a header generator for generating a PHY header, which includes information about the physical layer of a transmission packet and dimming information including the target dimming level of the transmission packet, a fixed dimming VPPM modulator for modulating the PHY header into a first VPPM signal according to a predetermined ratio, a transmission unit signal processor for generating transmission data by performing signal processing for data to be transmitted, a variable dimming VPPM modulator for modulating the transmission data into a second VPPM signal having the target dimming level of the transmission packet, and a signal synthesizer for forming the transmission packet by combining the first and second VPPM signals.
    Type: Application
    Filed: April 22, 2016
    Publication date: February 9, 2017
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jin-Doo JEONG, Tae-Gyu KANG, Myung-Soon KIM, Sang-Kyu LIM, Il-Soon JANG
  • Patent number: 9304188
    Abstract: An apparatus and method for determining the location of a terminal are disclosed herein. The apparatus includes a reception unit, an initiation unit, a selection unit, and a correction unit. The reception unit receives the location identifications (IDs) of one or more illumination lights. The initiation unit initiates the location coordinates of a receiving terminal to the coordinates of an illumination light corresponding to the most frequently received location identification (ID). The selection unit selects the coordinates of an illumination light corresponding to the second-most frequently received location ID. The correction unit calculates the reception ratio of reception from the coordinates of the initiated illumination light to reception from the coordinates of the selected illumination light, and then corrects the coordinates of the receiving terminal based on the calculated reception ratio.
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: April 5, 2016
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Il-Soon Jang, Sang-Kyu Lim, Myung-Soon Kim, Jin-Doo Jeong, Tae-Gyu Kang
  • Patent number: 9271364
    Abstract: Disclosed is a method and apparatus for integrally controlling lighting according to the status of power reserve stages. The apparatus for integrally controlling lighting according to power reserve stage, comprises: a lighting control result receiver for receiving lighting control result data generated by integrating a lighting identification number and control result information of the LED light source the brightness of which is controlled according to power reserve stage-based lighting control information; a power reserve stage determination unit for determining a power reserve stage based on the received lighting control result data; and a power reserve stage issuer for transmitting the determined power reserve stage to the lighting controller in real time.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: February 23, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Myung-Soon Kim, Tae-Gyu Kang, Sang-Kyu Lim, Il-Soon Jang, Jin-Doo Jeong
  • Patent number: 9253858
    Abstract: Disclosed herein are an apparatus and method for controlling a lighting network. The apparatus for controlling lighting network includes a control device and a plurality of control gears. The control device generates and transfers commands to control lighting. The plurality of control gears receives the commands from the control device and control lighting. The control device assigns a right to use a lighting network to the control gears, and the control gears send information about a change in a lighting state or error details to the control device using the right to use a lighting network.
    Type: Grant
    Filed: June 12, 2013
    Date of Patent: February 2, 2016
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Hyun-Jong Kim, Tae-Gyu Kang, You-Jin Kim, Dae-Ho Kim, Hyun-Seok Kim, Sang-Kyu Lim, Il-Soon Jang, Jin-Doo Jeong, In-Su Kim, Seong-Hee Park, Jung-Sik Sung, Hyun-Chul Kang, Myung-Soon Kim, Hyun-Joo Kang
  • Patent number: 9240840
    Abstract: The present invention relates to an inter-vehicle communication apparatus and method using visible light communication. The inter-vehicle communication apparatus using visible light communication includes a spreading code application unit for applying a spreading code to transmission data desired to be transmitted, and a transmission unit for generating a transmission frame based on the transmission data to which the spreading code is applied, and transmitting the transmission frame via a lighting lamp of a vehicle. The transmission frame includes a preamble field required to synchronize the transmission frame, a data field required to transmit the transmission data, and a position field required to provide hopping information of the transmission data.
    Type: Grant
    Filed: June 12, 2013
    Date of Patent: January 19, 2016
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Il-Soon Jang, Tae-Gyu Kang, Sang-Kyu Lim, Dae-Ho Kim, Jin-Doo Jeong, You-Jin Kim, Hyun-Jong Kim, Seong-Hee Park, In-Su Kim
  • Patent number: 9237635
    Abstract: The present invention relates to an intelligent lighting control apparatus and method, which control an intelligent lighting unit including multiple sensors depending on time, place, scene, environment, or the like, based on the results of sensing by the sensors. The intelligent lighting control apparatus includes a multi-sensor unit including multiple sensors, the multi-sensor unit sensing motion of a person or an object within a set sensing area using at least one of the multiple sensors. A lighting control unit controls an operation of a lighting unit based on frequency data corresponding to results of sensing by the multi-sensor unit and a class of lighting type corresponding to the frequency data.
    Type: Grant
    Filed: January 16, 2014
    Date of Patent: January 12, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyun-Chul Kang, Tae-Gyu Kang, Hyun-Seok Kim, Jung-Sik Sung, Hyun-Joo Kang, Seong-Hee Park, Sang-Kyu Lim, Il-Soon Jang, You-Jin Kim, Dae-Ho Kim, In-Su Kim, Myung-Soon Kim, Jin-Doo Jeong, Hyun-Jong Kim
  • Patent number: 9119267
    Abstract: Disclosed herein is an apparatus and method for controlling a fault in a lighting network. The apparatus includes power selection units respectively provided in a plurality of lighting units connected to one another over a network, each power selection unit being configured to compare a reference voltage with an output voltage sensed from power supply signals input from power supply units respectively provided in a lighting unit, located ahead of a faulty lighting unit, and the faulty lighting unit if a fault occurs in the lighting unit, and to select supply power to be supplied to the faulty lighting unit. Lighting control units control driving of the faulty lighting unit using the selected supply power.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: August 25, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seong-Hee Park, Tae-Gyu Kang, In-Su Kim, Sang-Kyu Lim, You-Jin Kim, Il-Soon Jang, Dae-Ho Kim, Jin-Doo Jeong, Hyun-Jong Kim
  • Patent number: 9112606
    Abstract: A transmitting apparatus using visible light communication generates transmission data into a two-dimensional data code according to a predetermined code method between the transmitting apparatus and a receiving apparatus and transmits the two-dimensional data code through a plurality of light emitting diodes (LED) that are arranged in a two-dimensional form. Therefore, the receiving apparatus senses light from a plurality of LEDs as an image using an image sensor, demodulates the image into a two-dimensional data code, decodes the two-dimensional data code using a code book, and restores data.
    Type: Grant
    Filed: December 12, 2011
    Date of Patent: August 18, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: You Jin Kim, Tae-Gyu Kang, Sang-Kyu Lim, Dae Ho Kim, Il-Soon Jang
  • Publication number: 20150226835
    Abstract: An apparatus and method for determining the location of a terminal are disclosed herein. The apparatus includes a reception unit, an initiation unit, a selection unit, and a correction unit. The reception unit receives the location identifications (IDs) of one or more illumination lights. The initiation unit initiates the location coordinates of a receiving terminal to the coordinates of an illumination light corresponding to the most frequently received location identification (ID). The selection unit selects the coordinates of an illumination light corresponding to the second-most frequently received location ID. The correction unit calculates the reception ratio of reception from the coordinates of the initiated illumination light to reception from the coordinates of the selected illumination light, and then corrects the coordinates of the receiving terminal based on the calculated reception ratio.
    Type: Application
    Filed: February 13, 2015
    Publication date: August 13, 2015
    Inventors: Il-Soon JANG, Sang-Kyu LIM, Myung-Soon KIM, Jin-Doo JEONG, Tae-Gyu KANG