Patents by Inventor Deuksu CHOI

Deuksu CHOI 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: 10306029
    Abstract: There is disclosed a mobile terminal including: a display; a middle frame including a supporting portion and a side portion provided around the supporting portion to define a lateral external appearance; a main board including a ground; a first wireless communication unit configured to transceive a first signal; a second wireless communication unit configured to transceive a second signal; and a rear case configured to cover a rear surface of the main board, wherein the side portion includes a plurality of conductive members of which ends are divided into slits, and the plurality of the conductive members includes a common antenna electrically connectable with the first wireless communication unit and the second wireless communication unit and configured to receive the first signal and the second signal; and an independent antenna electrically connectable with the first wireless communication unit and configured to receive the first signal.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: May 28, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Kyoungsun Hwang, Moonsoo Song, Yoonjae Won, Deuksu Choi, Chisang You
  • Patent number: 10128915
    Abstract: There is disclosed a mobile terminal including a housing comprising a first metal case, a second metal case and a first non-conductive case arranged between the first metal case and the second metal case, a battery embedded in the housing, a first coil arranged in an area covered by the first metal case inside the housing, a main board comprising a charging module implemented to recharge the battery using electric currents which flow in the first coil, and a first resonator arranged in an area covered by the first non-conductive case and comprising a first matching circuit corresponding to a first frequency, such that the examples of the mobile terminal in accordance with the present disclosure may enhance performance of the wireless communication unit and wireless charging performance, without design change of the housing having the metal case.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: November 13, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Jaehyun Choi, Hyengcheul Choi, Deuksu Choi, Dongjin Kim, Chisang You
  • Publication number: 20180261921
    Abstract: The present invention relates to a mobile terminal comprising: a terminal body having first to fourth sides; a metal frame comprising a base plate, first and second side members exposed to the exterior of the terminal body, and a slit located on the first side of the terminal body and placed between the first side member and the second side member; and a printed circuit board, wherein the first side member is located on one part of the first side end and second side, the printed circuit board comprises a first power unit, a second power unit, a first conductive pattern connected to the first power unit; and a second conductive pattern connected to the second power unit, wherein the first conductive pattern is directly connected to the first side member, and the second conductive pattern is not directly connected to the second side member.
    Type: Application
    Filed: November 24, 2016
    Publication date: September 13, 2018
    Applicant: LG ELECTRONICS INC.
    Inventors: Jihun HA, Byungwoon JUNG, Changil KIM, Namyong KIM, Jaewoo LEE, Byungeun JEON, Deuksu CHOI, Chisang YOU, Yeomin YOUN
  • Publication number: 20180109280
    Abstract: A mobile terminal including a case; a metal plate mounted in the case; a first radiator comprising one end connected to the metal plate via a connection portion and extended from the connection portion in a first direction, the first radiator being spaced apart a preset distance from the metal plate; a first feeder connected to the first radiator and supplying power; an additional radiator; and a first switch configured to be switched on and off to connect and disconnect the additional radiator and the first feeder to and from each other.
    Type: Application
    Filed: December 19, 2017
    Publication date: April 19, 2018
    Applicant: LG ELECTRONICS INC.
    Inventors: Sungjoon HONG, Kangjae JUNG, Sungjung RHO, Youngbae KWON, Jaewoo LEE, Deuksu CHOI
  • Publication number: 20180109295
    Abstract: There is disclosed a mobile terminal including a housing comprising a first metal case, a second metal case and a first non-conductive case arranged between the first metal case and the second metal case, a battery embedded in the housing, a first coil arranged in an area covered by the first metal case inside the housing, a main board comprising a charging module implemented to recharge the battery using electric currents which flow in the first coil, and a first resonator arranged in an area covered by the first non-conductive case and comprising a first matching circuit corresponding to a first frequency, such that the examples of the mobile terminal in accordance with the present disclosure may enhance performance of the wireless communication unit and wireless charging performance, without design change of the housing having the metal case.
    Type: Application
    Filed: December 13, 2017
    Publication date: April 19, 2018
    Applicant: LG ELECTRONICS INC.
    Inventors: Jaehyun CHOI, Hyengcheul CHOI, Deuksu CHOI, Dongjin KIM, Chisang YOU
  • Patent number: 9876538
    Abstract: There is disclosed a mobile terminal including a housing comprising a first metal case, a second metal case and a first non-conductive case arranged between the first metal case and the second metal case, a battery embedded in the housing, a first coil arranged in an area covered by the first metal case inside the housing, a main board comprising a charging module implemented to recharge the battery using electric currents which flow in the first coil, and a first resonator arranged in an area covered by the first non-conductive case and comprising a first matching circuit corresponding to a first frequency, such that the examples of the mobile terminal in accordance with the present disclosure may enhance performance of the wireless communication unit and wireless charging performance, without design change of the housing having the metal case.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: January 23, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Jaehyun Choi, Hyengcheul Choi, Deuksu Choi, Dongjin Kim, Chisang You
  • Patent number: 9866252
    Abstract: There is disclosed a mobile terminal including a case having a display unit coupled to a front side, a first antenna mounted in the case and comprising a first slot extended in a first direction and having a closed end and an open end, a second antenna mounted in the case and comprising a second slot extended in a second direction opposite to the extended direction of the first slot and comprising a closed end and an open end, a power supply unit mounted in the case, a first feeder supplying the power of the power supply unit to the first antenna, and a second feeder supplying the power of the power supply unit to the second antenna.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: January 9, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Sungjoon Hong, Kangjae Jung, Sungjung Rho, Youngbae Kwon, Jaewoo Lee, Deuksu Choi
  • Publication number: 20170353781
    Abstract: A wearable sound equipment includes a main body, an earbud outputting sound, a board loaded in the main body and including a ground, a cable having one end connected to the main body and the other end connected to the earbud, and including an audio line and a ground line, an audio chipset connected to the audio line and transmitting a sound signal to an audio output unit of the earbud, an antenna radiator loaded in the main body, a feeder connecting the board and one end of the antenna radiator with each other and supplying electric power to the antenna radiator; and a ground connection connecting one end of the ground line with the ground of the board, wherein the ground connection is arranged near the feeder.
    Type: Application
    Filed: September 2, 2016
    Publication date: December 7, 2017
    Applicant: LG ELECTRONICS INC.
    Inventors: Hyengcheul CHOI, Jaehyun CHOI, Deuksu CHOI, Dongjin KIM
  • Publication number: 20170257148
    Abstract: There is disclosed a mobile terminal including a housing comprising a first metal case, a second metal case and a first non-conductive case arranged between the first metal case and the second metal case, a battery embedded in the housing, a first coil arranged in an area covered by the first metal case inside the housing, a main board comprising a charging module implemented to recharge the battery using electric currents which flow in the first coil, and a first resonator arranged in an area covered by the first non-conductive case and comprising a first matching circuit corresponding to a first frequency, such that the examples of the mobile terminal in accordance with the present disclosure may enhance performance of the wireless communication unit and wireless charging performance, without design change of the housing having the metal case.
    Type: Application
    Filed: August 25, 2016
    Publication date: September 7, 2017
    Applicant: LG ELECTRONICS INC.
    Inventors: Jaehyun CHOI, Hyengcheul CHOI, Deuksu CHOI, Dongjin KIM, Chisang YOU
  • Patent number: 9564679
    Abstract: An antenna apparatus according to one exemplary embodiment disclosed herein includes a first member and a second member limiting a slot, a feeding unit provided on one surface of a carrier covering the slot and configured to feed the slot, and a first radiator formed on the one surface of the carrier with being spaced apart from the feeding unit, and electrically connected to the first member, the first radiator configured to resonate together with the slot at a first frequency band and a second frequency band.
    Type: Grant
    Filed: August 6, 2013
    Date of Patent: February 7, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Sungjung Rho, Byungwoon Jung, Youngbae Kwon, Hanphil Rhyu, Changwon Yun, Duckyun Kim, Deuksu Choi, Jaewoo Lee, Sungjoon Hong
  • Publication number: 20160315651
    Abstract: There is disclosed a mobile terminal including a case having a display unit coupled to a front side, a first antenna mounted in the case and comprising a first slot extended in a first direction and having a closed end and an open end, a second antenna mounted in the case and comprising a second slot extended in a second direction opposite to the extended direction of the first slot and comprising a closed end and an open end, a power supply unit mounted in the case, a first feeder supplying the power of the power supply unit to the first antenna, and a second feeder supplying the power of the power supply unit to the second antenna.
    Type: Application
    Filed: November 10, 2015
    Publication date: October 27, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: Sungjoon Hong, Kangjae Jung, Sungjung Rho, Youngbae Kwon, Jaewoo Lee, Deuksu Choi
  • Publication number: 20150340757
    Abstract: An antenna apparatus according to one exemplary embodiment disclosed herein includes a first member and a second member limiting a slot, a feeding unit provided on one surface of a carrier covering the slot and configured to feed the slot, and a first radiator formed on the one surface of the carrier with being spaced apart from the feeding unit, and electrically connected to the first member, the first radiator configured to resonate together with the slot at a first frequency band and a second frequency band.
    Type: Application
    Filed: August 6, 2013
    Publication date: November 26, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Sungjung RHO, Byungwoon JUNG, Youngbae KWON, Hanphil RHYU, Changwon YUN, Duckyun KIM, Deuksu CHOI, Jaewoo LEE, Sungjoon HONG