Patents by Inventor Seong Hee Jeong

Seong Hee Jeong 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).

  • Patent number: 11099269
    Abstract: The disclosure relates to a radar device for a vehicle, enabling to determine a target satisfying a pairing condition for finding an intersection point by using a combination of a pair of up-chirp and down-chirp signals with an added down-chirp signal, without an additional hardware resource. The radar device includes at least: a transmission unit configured to transmit, through the transmission antenna, a transmission signal including a pair of up-chirp and down-chirp signals having predetermined slopes, and an added chirp signal having a slope different from the slopes; a reception unit configured to receive, through the reception antenna, a reception signal that is the transmission signal reflected on the target located before the vehicle; and a signal processing unit configured to determine the target satisfying the pairing condition for finding an intersection point through a combination of at least one of a pair of the up-chirp and down-chirp signals.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: August 24, 2021
    Assignee: MANDO CORPORATION
    Inventors: HaeSueng Lim, JaeEun Lee, Seong Hee Jeong
  • Publication number: 20210247492
    Abstract: A light reflection device is disclosed. The light reflection device according to an exemplary embodiment of the present disclosure includes a first reflector configured to reflect an optical signal emitted from a light output unit to an object, a second reflector configured to reflect the optical signal reflected from the object to a light receiving unit, a blocking plate interposed between the first reflector and the second reflector, a motor configured to rotate at least one of the first reflector, the second reflector, and the blocking plate, and a coupling part configured to couple the first reflector, the second reflector, and the blocking plate so that the first reflector, the second reflector, and the blocking plate rotate at the same angle on the basis of a rotation axis.
    Type: Application
    Filed: February 10, 2021
    Publication date: August 12, 2021
    Inventors: HakGu HAN, SEONG HEE JEONG, YUN KI HAN, HoSeok SHIN, Chulseung LEE
  • Patent number: 10996315
    Abstract: The present disclosure relates to a method in which a radar apparatus for a vehicle detects a mounting angle and the radar apparatus for a vehicle, and more particularly, to a method for detecting a mounting angle of a radar apparatus for a vehicle using a power ratio of signals acquired by transmitting signals having different directivity angles and the radar apparatus for a vehicle.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: May 4, 2021
    Assignee: MANDO CORPORATION
    Inventors: Hae Sueng Lim, Seong Hee Jeong, Jae Eun Lee
  • Patent number: 10852732
    Abstract: The present embodiments relate to a deep learning-based self-driving vehicle, a deep learning-based self-driving control device, and a deep learning-based self-driving control method, and more particularly, to a deep learning-based self-driving vehicle, a deep learning-based self-driving control device, and a deep learning-based self-driving control method which are capable of reliably performing self-driving control to a necessary degree in a necessary situation by accurately distinguishing between and recognizing a control target object referenced while the self-driving vehicle is traveling and a structure not referenced.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: December 1, 2020
    Assignee: MANDO CORPORATION
    Inventors: Hae Sueng Lim, Seong Hee Jeong, Jae Eun Lee
  • Patent number: 10775491
    Abstract: The present provides a radar apparatus and an antenna for the radar apparatus. Further, a first transmitting antenna group and a first receiving antenna group are constituted by elongating some of a plurality of transmitting antennas and a plurality of receiving antennas in a first direction of vertical directions, a second transmitting antenna group and a second receiving antenna group are constituted by elongating the other antennas in a second direction opposite to the first direction, transmitting antennas to transmit transmission signals and receiving antennas to receive reflection signals reflected from an object are appropriately selected, thereby being able to improve horizontal and vertical angular resolving power in both of mid/long-range sensing and short-range sensing.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: September 15, 2020
    Assignee: MANDO CORPORATION
    Inventors: Hae Sueng Lim, Jae Eun Lee, Seong Hee Jeong
  • Patent number: 10732273
    Abstract: The present invention relates to a radar device for a vehicle which may determine a target as a single target or multiple targets according to a dispersion level of a slope for each reception channel, calculated through a phase difference for each reception channel of a reflection signal and an arrangement interval for each reception channel, and estimate the angle of the target so as to acquire the angle of the target using a small amount of calculations, and a method for estimating the angle of a target using the same.
    Type: Grant
    Filed: October 5, 2016
    Date of Patent: August 4, 2020
    Assignee: MANDO CORPORATION
    Inventors: HaeSueng Lim, JaeEun Lee, Seong Hee Jeong
  • Publication number: 20200215232
    Abstract: The present disclosure provides a coacervate composition containing a protein drug, gelatin A, sodium alginate and an acid and a wound-healing agent including the same. The coacervate composition according to the present disclosure can be useful as a wound-healing material delivery system for effectively delivering a protein drug, particularly epidermal growth factor, to a wound site in the wound-healing field.
    Type: Application
    Filed: March 19, 2020
    Publication date: July 9, 2020
    Inventors: Ae Ri KIM, Seong Hee JEONG
  • Publication number: 20200203824
    Abstract: Provided are a structure and alignment method of array antennas for a vehicle radar, the structure and method being able to adjust the locations, number of channels, number of arrays, and channel distance according to the type of antennas, so as to minimize a space occupied by the antennas while maintaining the radiation efficiency of the antennas. Even in a case in which conditions regarding the location of the array antennas and the number of channels are changed within designated ranges, the efficient array antenna structure minimizes the area of array antennas for a vehicle while maintaining the detection ability of the array antennas.
    Type: Application
    Filed: December 18, 2019
    Publication date: June 25, 2020
    Inventors: Kyung Jin YOU, HaeSueng LIM, Yun Ki HAN, Seong Hee JEONG
  • Patent number: 10629998
    Abstract: The present disclosure provides a radar apparatus and a method of correcting an error of the radar apparatus. According to the present disclosure a first transmitting antenna group and a first receiving antenna group are constituted by elongating some of a plurality of transmitting antennas and a plurality of receiving antennas in a first direction of vertical directions, a second transmitting antenna group and a second receiving antenna group are constituted by elongating the other antennas in a second direction opposite to the first direction, and one or more of transmitting antennas that transmit transmission signals and one or more of receiving antennas that receive reflection signals are included in different groups, thereby being able to measure elevation information of an object and correct a mounting position of the radar apparatus on the basis of the information.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: April 21, 2020
    Assignee: MANDO CORPORTION
    Inventors: Hae Sueng Lim, Jae Eun Lee, Seong Hee Jeong
  • Publication number: 20190310359
    Abstract: The present provides a radar apparatus and an antenna apparatus for the radar apparatus. The radar apparatus may include two first transmission antennas disposed on both sides of the transmission antenna set and the second transmission antenna disposed between two first transmission antennas spaced apart from the first transmission antenna by the vertical distance A in a first direction perpendicular to the ground, and may include the four receiving antennas disposed apart from each other by a predetermined horizontal distance, and may transmit the code divided transmission signals through two transmission antenna according to the detection mode, so that the vertical information and the horizontal information of the object can be easily obtained in the long range detection mode and the short range detection mode.
    Type: Application
    Filed: April 9, 2019
    Publication date: October 10, 2019
    Inventors: Jae Eun Lee, Hae Sueng Lim, Seong Hee Jeong
  • Publication number: 20190310358
    Abstract: The present provides a radar apparatus and an antenna apparatus for the radar apparatus. Two transmission antennas disposed on both sides of the transmission antenna set may be arranged apart from each other by a predetermined vertical distance in a first direction perpendicular to the ground, and the four receiving antennas may be disposed apart from each other by a predetermined horizontal distance, so that the vertical information and the horizontal information of the object can be easily obtained in the long range detection mode and the short range detection mode.
    Type: Application
    Filed: April 9, 2019
    Publication date: October 10, 2019
    Inventors: Jae Eun Lee, Hae Sueng Lim, Seong Hee Jeong
  • Patent number: 10403983
    Abstract: The present disclosure relates to a radar apparatus and an antenna system for the radar apparatus. A first transmitting antenna group and a first receiving antenna group are constituted by elongating some of a plurality of transmitting antennas and a plurality of receiving antennas in a first direction of vertical directions, a second transmitting antenna group and a second receiving antenna group are constituted by elongating the other antennas in a second direction opposite to the first direction, transmitting antennas to transmit transmission signals and receiving antennas to receive reflection signals reflected from an object are appropriately selected, thereby being able to improve horizontal and vertical angular resolving power in both of mid/long-range sensing and short-range sensing.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: September 3, 2019
    Assignee: MANDO CORPORATION
    Inventors: Hae Sueng Lim, Jae Eun Lee, Seong Hee Jeong
  • Patent number: 10401487
    Abstract: The disclosure relates to a radar device for a vehicle, enabling distance and velocity of a target approaching at a high speed in a short distance to be measured while securing a detection performance of the target. The radar device includes at least: a transmission unit configured to transmit, as a transmission signal, a multi-chirp signal having different slopes through the transmission antenna; a reception unit configured to receive, through the reception antenna, a reception signal that is the transmission signal reflected on the target located before the vehicle, in which the transmission signal is transmitted by the transmission unit; and a signal processing unit configured to calculate a frequency difference between the transmission signal and the reception signal, frequency variation according to a distance of the target, and frequency variation according to the velocity of the target to measure the distance and velocity of the corresponding target.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: September 3, 2019
    Assignee: MANDO CORPORATION
    Inventors: HaeSueng Lim, JaeEun Lee, Seong Hee Jeong
  • Patent number: 10389421
    Abstract: The present invention relates to an apparatus for estimating an arrival-angle of a reception signal and a beam-forming apparatus in a radio wave receiver, such as radar. More specifically, the present invention relates to an apparatus for accurately estimating an arrival-angle of a reception signal, or an apparatus for performing the beam-forming of a reception signal by using a multi-reception array antenna, by using a reference value that is obtained by calculating the degree of distortion of the magnitude and phase of a signal for each reception angle.
    Type: Grant
    Filed: October 20, 2016
    Date of Patent: August 20, 2019
    Assignees: Mando Corporation, Soongsil University Foundation of University-Industry Cooperation
    Inventors: JaeEun Lee, HaeSueng Lim, Seong Hee Jeong, Hyun-Chool Shin
  • Publication number: 20190235048
    Abstract: The present disclosure relates to an antenna return loss compensation apparatus and method of a radar and a radar apparatus using the same. The antenna return loss compensation apparatus may include a compensation information calculator configured to calculate return loss compensation information for compensating for a frequency-band based antenna return loss, and a return loss compensator configured to apply return loss compensation information to a reception signal that is reflected from an object and is received, so as to generate a final reception signal, may calculate and store, in advance, compensation information for a return loss occurring in the antenna, may perform compensation associated with the magnitude of a reception signal when measurement is performed using the radar, so that the reception signal has the same magnitude, whereby a radar's performance deterioration attributable to the return loss of the antenna may be minimized.
    Type: Application
    Filed: January 26, 2019
    Publication date: August 1, 2019
    Inventors: Hae Sueng LIM, Seong Hee JEONG, Jae Eun LEE
  • Patent number: 10266862
    Abstract: A method for obtaining psicose from a mixture of fructose and psicose includes adding a mannitol dehydrogenase to a mixture of fructose and psicose to convert fructose into mannitol, and separating the mannitol from the psicose. Accordingly, the psicose can be more easily isolated from the mannitol with high efficiency by using the method.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: April 23, 2019
    Assignee: INDUSTRY-ACADEMIC COOPERATION FOUNDATION GYEONGSANG NATIONAL UNIVERSITY
    Inventors: Seon-Won Kim, Min-Jin Choi, Seong-Hee Jeong, Dae-Yun Lee
  • Patent number: 10261172
    Abstract: The present disclosure relates to a radar apparatus for vehicle and a method of removing a ghost of the radar apparatus for vehicle by determining a grating lobe ghost based on a reception signal received through linearly and equally spaced receiving antennas and unequally spaced receiving antennas. The radar apparatus comprises: a transmitting unit configured to transmit a predetermined transmission signal to the front of the vehicle through the plurality of transmitting antennas; a receiving unit configured to receive a reception signal generated from the transmission signal transmitted by the transmitting unit and reflected and returned by the target positioned in front of the vehicle through the plurality of receiving antennas and the additionally included receiving antenna; and a signal processing unit configured to remove a grating lobe ghost by using the difference of a gain obtained through a digital beamforming result and the reception signal.
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: April 16, 2019
    Assignee: MANDO CORPORATION
    Inventors: HaeSueng Lim, JaeEun Lee, Seong Hee Jeong
  • Publication number: 20190079164
    Abstract: The present disclosure relates to a method in which a radar apparatus for a vehicle detects a mounting angle and the radar apparatus for a vehicle, and more particularly, to a method for detecting a mounting angle of a radar apparatus for a vehicle using a power ratio of signals acquired by transmitting signals having different directivity angles and the radar apparatus for a vehicle.
    Type: Application
    Filed: September 14, 2018
    Publication date: March 14, 2019
    Inventors: Hae Sueng LIM, Seong Hee JEONG, Jae Eun LEE
  • Patent number: 10215843
    Abstract: According to an embodiment of the present disclosure, a spatial interpolation method for a linear phased array antenna relates to a spatial interpolation method for a linear phased array antenna including a plurality of transmission antenna elements and a plurality of reception antenna elements and includes Step 1 in which the plurality of reception antenna elements receive a reflected wave reflected from a target, Step 2 in which an incidence angle of the reflected wave incident on the plurality of reception antenna elements is estimated using an angle estimation algorithm, Step 3 in which a bad-conditioned antenna element is selected from among the plurality of reception antenna elements, and Step 4 in which a received signal of the bad-conditioned antenna element is compensated for and the incidence angle of the reflected wave incident on the plurality of reception antenna elements is re-estimated using an angle estimation algorithm.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: February 26, 2019
    Assignees: MANDO CORPORATION, Seoul National University R&DB Foundation
    Inventors: Jaeeun Lee, Seong Hee Jeong, Seongwook Lee, Seokhyun Kang, Heonkyo Shim, SeongCheol Kim
  • Publication number: 20190049967
    Abstract: The present embodiments relate to a deep learning-based self-driving vehicle, a deep learning-based self-driving control device, and a deep learning-based self-driving control method, and more particularly, to a deep learning-based self-driving vehicle, a deep learning-based self-driving control device, and a deep learning-based self-driving control method which are capable of reliably performing self-driving control to a necessary degree in a necessary situation by accurately distinguishing between and recognizing a control target object referenced while the self-driving vehicle is traveling and a structure not referenced.
    Type: Application
    Filed: August 8, 2018
    Publication date: February 14, 2019
    Inventors: Hae Sueng LIM, Seong Hee JEONG, Jae Eun LEE