Patents by Inventor Seung Chul Lee

Seung Chul 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).

  • Patent number: 10919406
    Abstract: A power charging and selling device includes first and second connection units configured to be connected to an electric vehicle and at least one power supplier server, respectively; a control unit for receiving a unique identifier and battery information of the electric vehicle through the first connection unit and for receiving power-trading charge information provided from each power supplier server through the second connection unit; and a guide unit for advertising the received power-trading charge information and for enabling selection of a corresponding power supplier. Through the first connection unit, the control unit may charge the electric vehicle with the power of a selected power supplier or sell the power stored in the electric vehicle to a selected power supplier. The power charging/selling device receives charge information from power suppliers, and a user selects the charging/selling scheme accordingly, even if the power source of the electric vehicle is turned off.
    Type: Grant
    Filed: September 3, 2018
    Date of Patent: February 16, 2021
    Assignee: Doosan Heavy Industries Construction Co., Ltd
    Inventors: Jong Min Choi, Seong Yeol Yang, Seung Chul Lee
  • Patent number: 10911074
    Abstract: A wireless communication device includes a first transceiver operable according to a first radio technology and a second transceiver operable according to a second radio technology and operable concurrently with the first transceiver. The wireless communication device further includes an antenna configured to transmit radio transmissions of the second transceiver, and a filter circuit coupling the second transceiver with the antenna. The filter circuit includes a first frequency path and a second frequency path in parallel. The first frequency path passes a first set of frequencies of the radio transmissions and the second frequency path passes a second set of frequencies of the radio transmissions. One of the first frequency path or the second frequency path is configured to filter the radio transmissions of the second transceiver to remove signals corresponding to the one or more operating frequencies of the first transceiver from the radio transmissions of the second transceiver.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: February 2, 2021
    Assignee: Tyco Safety Products Canada Ltd.
    Inventors: James Thomas Kenning, Jun Xu, Steven Seung Chul Lee
  • Publication number: 20200366321
    Abstract: A wireless communication device includes a first transceiver operable according to a first radio technology and a second transceiver operable according to a second radio technology and operable concurrently with the first transceiver. The wireless communication device further includes an antenna configured to transmit radio transmissions of the second transceiver, and a filter circuit coupling the second transceiver with the antenna. The filter circuit includes a first frequency path and a second frequency path in parallel. The first frequency path passes a first set of frequencies of the radio transmissions and the second frequency path passes a second set of frequencies of the radio transmissions. One of the first frequency path or the second frequency path is configured to filter the radio transmissions of the second transceiver to remove signals corresponding to the one or more operating frequencies of the first transceiver from the radio transmissions of the second transceiver.
    Type: Application
    Filed: May 17, 2019
    Publication date: November 19, 2020
    Inventors: James Thomas KENNING, Jun XU, Steven Seung Chul LEE
  • Patent number: 10742369
    Abstract: An electronic device is provided. The electronic device includes a first antenna for a first band and a second band, a second antenna for the second band and a third band and a pre-processing unit configured to generate, based on identifying a frequency band of a first signal received via the first antenna and a frequency band of a second signal received via the second antenna are the second band, a pre-processed signal by combining the first signal and the second signal based on a ratio of a weight factor, and to transmit the pre-processed signal to a first radio frequency (RF) receiver.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: August 11, 2020
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Seong-Jun Song, Kyung-Hwan Jo, Eun-Ji Kim, Jae-Hyun Kwon, Sungjin Kim, Donginn Seo, Dohyeon Lee, Seung Chul Lee
  • Patent number: 10698519
    Abstract: According to various examples of the present invention, an electronic device can comprise: a board; a switch unit loaded on at least one surface of the board; a pressure module provided between the board and the switch unit; and a pressure sensing unit formed in at least a partial area of the board, and generating a signal by sensing at least one drive according to the pressing of the switch unit. In addition, the above electronic device can be variously implemented according to examples.
    Type: Grant
    Filed: November 25, 2016
    Date of Patent: June 30, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byung-Ku Park, Do-Kyun Lee, Seung-Chul Lee
  • Publication number: 20200181080
    Abstract: The present invention relates to a method for preparing intermediates of 4-methoxypyrrole derivatives. The preparation method according to the present invention has advantages that the production cost can be lowered by using inexpensive starting materials, a high-temperature reaction is not required as a whole, inexpensive and non-explosive reagents are used instead of (trimethylsilyl)diazomethane, and further an intermediate of 4-methoxypyrrole derivatives can be prepared as a whole at a high yield.
    Type: Application
    Filed: June 21, 2018
    Publication date: June 11, 2020
    Inventors: Jeong-Taek Shin, Jeong-Hyun Son, Seung Chul Lee
  • Patent number: 10672552
    Abstract: Disclosed is an adhesive laminate core manufacturing apparatus for successively forming lamina members of a predetermined shape while allowing a strip-shaped material, of which the surface is coated with an adhesive layer, to pass therethrough, and successively manufacturing laminate cores comprising the lamina members integrated, per predetermined sheet, by interlaminar bonding. The adhesive laminate core manufacturing apparatus according to one aspect of the present invention comprises: a protrusion forming unit pressing the material for the delamination of the laminate cores, so as to form interlaminar division protrusions on the surface of the material at each predetermined position along the longitudinal direction of the material; a blanking unit blanking the material so as to successively form the lamina members; and a lamination unit integrating the lamina members so as to successively manufacture the laminate cores.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: June 2, 2020
    Assignee: POSCO DAEWOO CORPORATION
    Inventors: Il Gwen Chung, Sae Jong Lim, Jang Hwan Seal, Seung Chul Lee, Chang Don Park, Jung Gyu Chi, Jae Young Lee
  • Patent number: 10662694
    Abstract: A non-module type dual regulator assembly includes a pair of guide rails that are separated from each other and disposed in a door of a vehicle along a direction that a window glass is raised or lowered. A pair of glass holders are coupled to one side of the window glass and movably disposed on the respective guide rails. An upper connection member has a plurality of ends fastened to upper portions of the guide rails. A lower connection member has a plurality of ends fastened to lower portions of the guide rails. A cable is coupled to the glass holders and circulatably disposed along the guide rails to raise or lower the glass holders in the same direction at the same time. A driving motor is disposed on the lower connection member and circulates the cable.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: May 26, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Seok-Hyun Hong, Min-Su Kim, Sung-Won Hong, Seung-Chul Lee
  • Publication number: 20200133749
    Abstract: According to a method of transforming a message passing interface (MPI) program, an MPI function is parsed such that a computer may directly access data created by another computer through a memory when an MPI parallel program is executed on a computer system for distributed processing, a network function corresponding to the MPI function is created for network communication, and a bus line function is created for directly accessing the memory through a bus line.
    Type: Application
    Filed: October 22, 2019
    Publication date: April 30, 2020
    Inventors: Dong Ha SHIN, Je Man Lee, Seung-Chul Lee, Kang Ho Kim
  • Patent number: 10635138
    Abstract: Provided is an electric shock protection device disposed between a human body contactable conductor and an internal circuit unit of an electronic device. The electric shock protection device includes: a sintered body where a plurality of sheet layers stacked; an electric shock protection unit including at least one pair of inner electrodes disposed spaced a predetermined interval apart from each other inside the sintered body and a pore disposed between the inner electrodes; and at least one capacitor layer configured to pass communication signals flowing from the conductor.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: April 28, 2020
    Assignee: AMOTECH CO., LTD.
    Inventors: Tong Gi Kim, Jun-Suh Yu, Kyu Hwan Park, Gui Nam Sun, Jae Su Ryu, Seung Chul Lee
  • Patent number: 10557514
    Abstract: A suspension system for a vehicle includes a housing; a damper part disposed within the housing and to extend through the housing; a transfer part surrounding the damper part and coupled to the damper part; a damper mount coupled to the transfer part, and disposed between an inner wall of the housing and the transfer part and configured to absorb vibration of the transfer part; a fixing part stacked over the damper mount and fixed to the inner wall of the housing; and an anti-leakage part coupled to the fixing part and configured to prevent an air leakage between the fixing part and the damper mount.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: February 11, 2020
    Assignee: HYUNDAI MOBIS Co., Ltd.
    Inventor: Seung Chul Lee
  • Patent number: 10491161
    Abstract: An apparatus for and method of a supply modulator (SM) for a power amplifier (PA) is provided. The apparatus includes a buck-boost converter, including a supply input connected to a battery voltage (Vbat), and an output; and a buck converter, including a supply input connected to Vbat, an input connected to the output of the buck-boost converter, and an output.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: November 26, 2019
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Yong Sik Youn, Seung Chul Lee, Ji Seon Paek, Thomas Byunghak Cho
  • Publication number: 20190264577
    Abstract: In a steam turbine seal packing performance monitoring system, steam pressure is measured by installing a pressure sensor inside a seal packing for preventing steam from leaking, so that pressure information can be transmitted using magnetic field communication in order to externally monitor seal packing performance. The system includes a seal packing unit that is installed on a rotor shaft and has a plurality of seal packs disposed along an axial direction of the rotor shaft; a pressure sensor installed inside the seal packing unit to detect a pressure of steam leaked from inside the seal packing unit and to transmit a magnetic field signal by converting a detection signal indicative of the detected pressure into the magnetic field signal; and an adapter for receiving the magnetic field signal, converting the received magnetic field signal into pressure data, and calculating a leakage amount of steam based on the pressure data.
    Type: Application
    Filed: February 1, 2019
    Publication date: August 29, 2019
    Inventors: Seung Chul Lee, Jong Min Choi, Hyun Woo Son
  • Publication number: 20190248450
    Abstract: An apparatus for reliquefaction of boil-off gas for a vessel, comprises: a compression unit for compressing the boil-off gas discharged from the storage tank; and a heat exchanger for heat-exchanging the compressed boil-off gas compressed by the compression unit with the boil-off gas discharged from the storage tank; a first expansion means for dividing the boil-off gas passing through the heat exchanger into at least two flows including a first flow and a second flow, and expanding the divided first flow; a first intercooler for cooling the second flow remaining after the division of the first flow by using the first flow expanded by the expansion means as a refrigerant; and a receiver for receiving a second flow having passed through the first intercooler, in which a downstream pressure of the compression unit is controlled by a flow discharged from the receiver.
    Type: Application
    Filed: October 17, 2016
    Publication date: August 15, 2019
    Inventors: Seung Chul LEE, Seon Jin KIM, Dong Kyu CHOI
  • Patent number: 10341753
    Abstract: An earring-type microphone to be hung on and used in the ear includes fixing members to be fixed to both ears of a user and a cable formed from an elastic member, of which both ends are respectively positioned at two fixing members, such that one side of the cable comes into close contact with the neck of the user. Speakers are respectively coupled to ends of the cable. A microphone part is provided at one side of the cable for inputting a voice. If force is applied to the microphone part when the user inputs the voice, the cable is stretched such that the microphone part moves from the neck of the user toward the area around the mouth. If the force applied to the microphone part is removed, the microphone part comes into close contact with the area around the mouth by the elastic force of the cable.
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: July 2, 2019
    Inventor: Seung Chul Lee
  • Patent number: 10321218
    Abstract: The present invention relates to an ear device for fixing an earphone, comprising: a fixing body which is formed in the shape of a C-shaped ring so as to be worn on and fixed to an auricle while surrounding the rear part of the auricle; an earphone module, positioned in a groove in the front part of the auricle, for transferring sound to an ear hole; and a support connector which extends in the shape of a ring that traverses a user's auricle from one portion of the fixing body to the earphone module, the support connector being formed of an elastic body or flexible metal so as to, according to deformation of the support connector, enable the fixing body and the earphone module to be separated from each other or to approach each other so that the fixing body and the earphone module are engaged with and fixed to each other on the auricle.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: June 11, 2019
    Inventor: Seung Chul Lee
  • Publication number: 20190152327
    Abstract: A power charging and selling device includes first and second connection units configured to be connected to an electric vehicle and at least one power supplier server, respectively; a control unit for receiving a unique identifier and battery information of the electric vehicle through the first connection unit and for receiving power-trading charge information provided from each power supplier server through the second connection unit; and a guide unit for advertising the received power-trading charge information and for enabling selection of a corresponding power supplier. Through the first connection unit, the control unit may charge the electric vehicle with the power of a selected power supplier or sell the power stored in the electric vehicle to a selected power supplier. The power charging/selling device receives charge information from power suppliers, and a user selects the charging/selling scheme accordingly, even if the power source of the electric vehicle is turned off.
    Type: Application
    Filed: September 3, 2018
    Publication date: May 23, 2019
    Inventors: Jong Min Choi, Seong Yeol Yang, Seung Chul Lee
  • Patent number: 10283766
    Abstract: A negative electrode active material for a lithium secondary battery according to an exemplary embodiment of the present invention includes an alloy containing silicon (Si), titanium (Ti), and iron (Fe), wherein the degree of amorphization of the alloy is raised by 40% or more by further adding copper (Cu) to the alloy.
    Type: Grant
    Filed: December 9, 2014
    Date of Patent: May 7, 2019
    Assignee: ILJIN ELECTRIC CO., LTD.
    Inventors: Cheol Ho Park, Seon Kyong Kim, Seung Chul Lee, Young Pil Choi, Hyang Yeon Kim, Jae Woong Kim, Min Seok Sung
  • Publication number: 20190112008
    Abstract: Disclosed is a re-liquefying device using a boil-off gas as a cooling fluid so as to re-liquefy the boil-off gas generated from a liquefied gas storage tank provided in a ship. A boil-off gas re-liquefying device for a ship comprises: a multi-stage compression unit for compressing boil-off gas generated from a liquefied gas storage tank; a heat exchanger in which the boil-off gas generated from the storage tank and the boil-off gas compressed exchange heat; a vaporizer for heat exchanging the boil-off gas cooled by the heat exchanger and a separate liquefied gas supplied to a fuel demand source of a ship, and thus cooling the boil-off gas; an intermediate cooler for cooling the boil-off gas that has been cooled by the heat exchanger; and an expansion means for branching a part of the boil-off gas, which is supplied to the intermediate cooler, and expanding the same.
    Type: Application
    Filed: September 3, 2016
    Publication date: April 18, 2019
    Inventors: Hyun Jun SHIN, Su Kyung AN, Seung Chul LEE
  • Publication number: 20190112022
    Abstract: A ship comprises: a tank; a multistage compressor for compressing a boil-off gas discharged from a storage tank and comprising a plurality of compression cylinders; a first heat exchanger for heat exchanging a fluid, which has been compressed by the multistage compressor, with the boil-off gas discharged from the storage tank and thus cooling the same; a first decompressing device for expanding a flow (“flow a1”) partially branched from the flow (“flow a”) that has been cooled by the first heat exchanger; a third heat exchanger for heat exchanging, by “flow a1” which has been expanded by the first decompressing device as a refrigerant, the remaining flow (“flow a2”) of “flow a” after excluding “flow a1” that has been branched and thus cooling the same; and a second decompressing device for expanding “flow a2” which has been cooled by the third heat exchanger.
    Type: Application
    Filed: October 21, 2016
    Publication date: April 18, 2019
    Inventors: Seung Chul LEE, Yoon Kee KIM