Patents by Inventor Bom-Son Lee

Bom-Son 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: 20240243616
    Abstract: Disclosed is a wireless power transmission system including a first circuit comprising a transmitting coil for transmitting power; and a second circuit comprising a shielded coil, wherein, in the transmitting coil and the shielded coil, frequency division wherein an impedance magnitude of the second circuit is minimized at a first frequency smaller than a resonant frequency of the second circuit and a second frequency larger than the resonant frequency of the second circuit occurs, and inductive coupling wherein the first frequency is larger than a fundamental frequency of the first circuit and the second frequency is smaller than a third high frequency of the second circuit.
    Type: Application
    Filed: January 12, 2024
    Publication date: July 18, 2024
    Inventors: Seung Young AHN, Bom Son LEE, Chang Min LEE, Seong Ho WOO, Yu Jun SHIN, Jae Won RHEE, Dong Ryul PARK
  • Patent number: 11750039
    Abstract: Disclosed a wireless power transfer system configured to selectively drive at least one transmitting coil among transmitting coils that are included in a transmitter; and an operation method of the wireless power transfer system, and more particularly, to a technology of verifying a coupling coefficient between each of transmitting coils and a receiving coil when the receiving coil is located on the transmitting coils and selectively driving at least one transmitting coil among the transmitting coils based on the verified coupling coefficient.
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: September 5, 2023
    Assignees: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Seung Young Ahn, Bom Son Lee, Jong Wook Kim, Bum Jin Park, Dong Ryul Park, Sung Ryul Huh
  • Publication number: 20220190648
    Abstract: Disclosed a wireless power transfer system configured to selectively drive at least one transmitting coil among transmitting coils that are included in a transmitter; and an operation method of the wireless power transfer system, and more particularly, to a technology of verifying a coupling coefficient between each of transmitting coils and a receiving coil when the receiving coil is located on the transmitting coils and selectively driving at least one transmitting coil among the transmitting coils based on the verified coupling coefficient.
    Type: Application
    Filed: December 13, 2021
    Publication date: June 16, 2022
    Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Seung Young AHN, Bom Son LEE, Jong Wook KIM, Bum Jin PARK, Dong Ryul PARK, Sung Ryul HUH
  • Patent number: 10855114
    Abstract: Disclosed is a wireless power transmission system including a microstrip patch antenna. More particularly, a microstrip patch antenna according to an embodiment of the present disclosure includes a substrate, a patch disposed on the substrate, and a plurality of protrusions with a conical shape disposed on the patch.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: December 1, 2020
    Assignee: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Bom Son Lee, Sang Woong Yoon, Ju Hwan Lim, Gun Young Kim
  • Patent number: 10848002
    Abstract: Disclosed are a microrobot propulsion apparatus based on wireless power transmission and a method of manufacturing the same. The microrobot propulsion apparatus according to one embodiment of the present disclosure may include a coil part for outputting a time-varying magnetic field or a static magnetic field applied to a microrobot including a coil for receiving power and a coil for an electromagnet, and a multipurpose inverter including a static magnetic field path portion allowing the coil part to output the static magnetic field and a time-varying magnetic field path portion allowing the coil part to output the time-varying magnetic field.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: November 24, 2020
    Assignees: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Seung Young Ahn, Bom Son Lee, Dong Wook Kim, Hong Kyun Kim, Jae Hyoung Park, Bum Jin Park, Ka Ram Hwang
  • Patent number: 10790711
    Abstract: Disclosed are a magnetic field generating apparatus and a method of generating a magnetic field using the same. A magnetic field generating apparatus according to an embodiment of the present disclosure includes a coil part configured to generate a magnetic field transmitted to the target to which wireless power is to be supplied; a first ferrite member configured to extend in the vicinity of the coil part a bar shape and penetrate an inner peripheral surface of the coil part; and a second ferrite member configured to extend in a dome shape in the vicinity of the coil part, surround the coil part, include an opening formed along the magnetic field transmission path.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: September 29, 2020
    Assignees: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Joung Ho Kim, Bom Son Lee, Dong Hyun Kim
  • Patent number: 10693319
    Abstract: Disclosed are a wireless charging pad including a plurality of small power transmission coils and a device for and a method of driving the wireless charging pad. More particularly, the wireless charging apparatus includes a driving controller configured to generate a first control signal so as to apply a first driving voltage having a first phase to power transmission coils to be driven matching a device to be charged among the small power transmission coils and generate a second control signal so as to apply a second driving voltage having a phase opposite to the first phase to power transmission coils surrounding the power transmission coils to be driven; and a coil driver configured to apply the first and second driving signals to a wireless charging pad.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: June 23, 2020
    Assignee: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Een Kee Hong, Joon Hwan Kim, Bom Son Lee, Gun Young Kim
  • Patent number: 10673283
    Abstract: Disclosed is a wireless power transmission system using a meta-structure transmission line capable of performing beam steering. The wireless power transmission device using a meta-structure transmission line capable of performing beam steering includes a beam steerer including a meta-structure transmission line constituted of a plurality of single cells; a controller configured to control an operation mode and beam scanning of the beam steerer; and a power supply configured to supply power to the beam steerer under control of the controller.
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: June 2, 2020
    Assignee: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Bom Son Lee, Gun Young Kim, Jun Ho Lee, Se Jin Kim, Se Hun Na, Sung Youn Hwang
  • Publication number: 20190199146
    Abstract: Disclosed are a magnetic field generating apparatus and a method of generating a magnetic field using the same. A magnetic field generating apparatus according to an embodiment of the present disclosure includes a coil part configured to generate a magnetic field transmitted to the target to which wireless power is to be supplied; a first ferrite member configured to extend in the vicinity of the coil part a bar shape and penetrate an inner peripheral surface of the coil part; and a second ferrite member configured to extend in a dome shape in the vicinity of the coil part, surround the coil part, include an opening formed along the magnetic field transmission path.
    Type: Application
    Filed: December 19, 2018
    Publication date: June 27, 2019
    Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Joung Ho KIM, Bom Son LEE, Dong Hyun KIM
  • Publication number: 20190199138
    Abstract: Disclosed is a wireless power transmission system including a microstrip patch antenna. More particularly, a microstrip patch antenna according to an embodiment of the present disclosure includes a substrate, a patch disposed on the substrate, and a plurality of protrusions with a conical shape disposed on the patch.
    Type: Application
    Filed: December 20, 2018
    Publication date: June 27, 2019
    Applicant: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Bom Son LEE, Sang Woong YOON, Ju Hwan LIM, Gun Young KIM
  • Publication number: 20190173320
    Abstract: Disclosed are a microrobot propulsion apparatus based on wireless power transmission and a method of manufacturing the same. The microrobot propulsion apparatus according to one embodiment of the present disclosure may include a coil part for outputting a time-varying magnetic field or a static magnetic field applied to a microrobot including a coil for receiving power and a coil for an electromagnet, and a multipurpose inverter including a static magnetic field path portion allowing the coil part to output the static magnetic field and a time-varying magnetic field path portion allowing the coil part to output the time-varying magnetic field.
    Type: Application
    Filed: December 4, 2018
    Publication date: June 6, 2019
    Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Seung Young AHN, Bom Son LEE, Dong Wook KIM, Hong Kyun KIM, Jae Hyoung PARK, Bum Jin PARK, Ka Ram HWANG
  • Publication number: 20190165608
    Abstract: Disclosed are a wireless charging pad including a plurality of small power transmission coils and a device for and a method of driving the wireless charging pad. More particularly, the wireless charging apparatus includes a driving controller configured to generate a first control signal so as to apply a first driving voltage having a first phase to power transmission coils to be driven matching a device to be charged among the small power transmission coils and generate a second control signal so as to apply a second driving voltage having a phase opposite to the first phase to power transmission coils surrounding the power transmission coils to be driven; and a coil driver configured to apply the first and second driving signals to a wireless charging pad.
    Type: Application
    Filed: February 22, 2018
    Publication date: May 30, 2019
    Applicant: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Een Kee Hong, Joon Hwan Kim, Bom Son Lee, Gun Young Kim
  • Publication number: 20190044389
    Abstract: Disclosed is a wireless power transmission system using a meta-structure transmission line capable of performing beam steering. The wireless power transmission device using a meta-structure transmission line capable of performing beam steering includes a beam steerer including a meta-structure transmission line constituted of a plurality of single cells; a controller configured to control an operation mode and beam scanning of the beam steerer; and a power supply configured to supply power to the beam steerer under control of the controller.
    Type: Application
    Filed: December 26, 2017
    Publication date: February 7, 2019
    Applicant: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Bom Son LEE, Gun Young KIM, Jun Ho LEE, Se Jin KIM, Se Hun NA, Sung Youn HWANG
  • Patent number: 8344828
    Abstract: A metamaterial transmission line for transmitting an electromagnetic wave. The metamaterial transmission line may include a substrate including a substrate configured to include a an upper portion and a lower portion on which a ground plane is formed, a signal line configured to be formed on the substrate, and a defected ground structure configured to include an etched region and two metal portions, wherein the etched region is generated by etching a part of the ground plane and the metal portions extend from the signal line and are disposed on the etched region.
    Type: Grant
    Filed: July 21, 2010
    Date of Patent: January 1, 2013
    Assignees: Electronics and Telecommunications Research Institute, Kyung Hee University Industry Academic Cooperation Foundation
    Inventors: Bom-Son Lee, Tack-Gyu Kim, Jae-Ick Choi, Wang-Joo Lee
  • Publication number: 20110148550
    Abstract: A metamaterial transmission line for transmitting an electromagnetic wave. The metamaterial transmission line may include a substrate including a substrate configured to include a an upper portion and a lower portion on which a ground plane is formed, a signal line configured to be formed on the substrate, and a defected ground structure configured to include an etched region and two metal portions, wherein the etched region is generated by etching a part of the ground plane and the metal portions extend from the signal line and are disposed on the etched region.
    Type: Application
    Filed: July 21, 2010
    Publication date: June 23, 2011
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Bom-Son LEE, Tack-Gyu Kim, Jae-Ick Choi, Wang-Joo Lee