Patents by Inventor Hojong Kim

Hojong Kim 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: 11616381
    Abstract: An electronic device includes a first battery, a second battery, a power management integrated circuit, a memory, and a processor. The memory is configured to store information on a first full-charging voltage value of the first battery and a second full-charging voltage value of the second battery. The processor is configured to detect whether the electronic device is connected to an external electronic device for supplying power to the first battery or the second battery. When the first full-charging voltage value is higher than the second full-charging voltage value the processor is configured to, electrically connect the first battery to the power management integrated circuit and electrically disconnect the second battery from the power management integrated circuit. The processor is further configured to charge the first battery electrically connected to the power management integrated circuit based on power obtained from the external electronic device.
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: March 28, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hojong Kim, Dongwoo Kim
  • Patent number: 11601539
    Abstract: In accordance with one aspect of the disclosure, an electronic device comprises a plate at least partially forming one surface of a housing and including a first through-hole; a printed circuit board disposed in the housing under the plate, the printed circuit having a second through-hole at least partly overlapping the first through-hole when viewed from above the first surface; a microphone disposed on a surface of the printed circuit board facing away from the plate, and at least partly overlapping the second through-hole when viewed from above the first surface; a seal member that is disposed between the plate and the printed circuit board around the first through-hole or the second through-hole; a support member that includes a first portion that faces the printed circuit board and includes an opening, the opening penetrated by the microphone, and a second portion that extends from the first portion and faces the plate; a first fixture the printed circuit board and the first portion; and a second fixture
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: March 7, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nakhyun Choi, Hojong Kim, Hanbom Park, Sungkeun Koo, Jaeyoung Huh
  • Patent number: 11594806
    Abstract: Provided is an electronic device including an antenna module. The electronic device may include: a housing constituting an external appearance of the electronic device, a support member including a first bridge, a printed circuit board coupled to one surface of the support member, a first antenna constituting a first part of the housing and connected to the support member through the first bridge, a second antenna constituting a second part of the housing, a cut-off portion separating the first antenna and the second antenna, and a first connection member and a second connection member coupled to the first bridge. The first connection member may be connected to a ground of the printed circuit board through a first capacitor and may be disposed closer to the cut-off portion than the second connection member connected to the ground of the printed circuit board through a second capacitor. Other embodiments are also possible.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: February 28, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jaewoong Jeon, Jaewun Lee, Jaeyoung Huh, Chanyoul Park, Hojong Kim
  • Publication number: 20230007591
    Abstract: An electronic device may include a wireless communication circuit, a battery, a power management integrated circuit (PMIC) electrically connected to the wireless communication circuit and the battery and including a regulator, and a processor electrically connected to the wireless communication circuit, the battery, and the PMIC. The processor may, responsive to the electronic device satisfying a specified condition, identify a change in a magnitude of a voltage of an output terminal of the regulator for a first time interval, identify a ratio of a time interval during which the change in the magnitude of the voltage of the output terminal satisfies a threshold value with respect to the first time interval, and adjust the magnitude of the voltage of the output terminal in a step-wise manner based on the ratio.
    Type: Application
    Filed: June 30, 2022
    Publication date: January 5, 2023
    Inventors: Yeongseob LIM, Sungyoul CHO, Hyeyong GO, Jungjoon KIM, Sanghyeok YANG, Kyujae JANG, Hyunkyung JO, Hojong KIM, Jaeuk RYU, Jihyeon JANG, Minkwon JEONG
  • Publication number: 20220330463
    Abstract: An electronic device including a substrate on which an electronic component is mounted according to various embodiments may include: a first electromagnetic interference (EMI) shield configured to shield the electronic component included in a first region of the substrate; and a second EMI shield supported by at least a part of the first EMI shield and configured to shield the electronic component included in a second region of the substrate.
    Type: Application
    Filed: August 10, 2021
    Publication date: October 13, 2022
    Inventors: Hojong KIM, Changhwan JIN, Jonghun CHOI, Byungchul LEE, Jaeyoung HUH, Hyunchul HONG, Jaeuk RYU
  • Patent number: 11431083
    Abstract: An electronic device includes a housing configured to form an internal space, a radiating sheet configured to be disposed in the internal space; at least one electronic component configured to be disposed in the internal space and to be in contact with the radiating sheet. An FPCB antenna module configured to be disposed on the radiating sheet includes a conductive pattern and a nonconductive layer configured to surround the conductive pattern, wherein the nonconductive layer may extend on the radiating sheet to a region in which the electronic component is positioned.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: August 30, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Younju Kim, Kyeongjo Keum, Hojong Kim
  • Publication number: 20220271564
    Abstract: An electronic includes: a housing including a first plate, a second plate, and a side member; a display; a conductive coil parallel to the second plate and disposed between the display and the second plate; a wireless charging circuitry electrically connected to the conductive coil; and a processor operatively connected with the display and the wireless charging circuitry. The wireless charging circuitry receives a signal for wirelessly transferring power to an external electronic device from the processor, receives information about the external electronic device, receives a power control signal from the external electronic device via the conductive coil, applies a charging current of a first frequency to the conductive coil based at least in part on a request signal, increases a frequency of the charging current, compares the increased frequency with a first value, and adjusts a duty cycle of the charging current.
    Type: Application
    Filed: May 11, 2022
    Publication date: August 25, 2022
    Inventors: Jungoh SUNG, Juhyang LEE, Myungkyoon CHUNG, Youngmi HA, Hojong KIM
  • Patent number: 11374432
    Abstract: An electronic includes: a housing including a first plate, a second plate, and a side member; a display; a conductive coil parallel to the second plate and disposed between the display and the second plate; a wireless charging circuitry electrically connected to the conductive coil; and a processor operatively connected with the display and the wireless charging circuitry. The wireless charging circuitry receives a signal for wirelessly transferring power to an external electronic device from the processor, receives information about the external electronic device, receives a power control signal from the external electronic device via the conductive coil, applies a charging current of a first frequency to the conductive coil based at least in part on a request signal, increases a frequency of the charging current, compares the increased frequency with a first value, and adjusts a duty cycle of the charging current.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: June 28, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jungoh Sung, Juhyang Lee, Myungkyoon Chung, Youngmi Ha, Hojong Kim
  • Patent number: 11290166
    Abstract: An electronic device and an operation method of an electronic device are provided. The electronic device includes at least one mmWave antenna module configured to include a plurality of antennas, a camera capable of measuring a distance between an external object and the electronic device, a communication processor configured to be operationally connected to the at least one mmWave antenna module, and an application processor configured to be operationally connected to the camera and the communication processor.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: March 29, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Minjeong Kim, Hojong Kim, Jaeyoung Huh, Sungchul Park
  • Publication number: 20220091241
    Abstract: An electronic device includes a communication circuit, a light source for emitting light of set frequencies, an image sensor for acquiring reflected light of the emitted light, a memory for storing offset values for respective reference frequencies of the set frequencies, and a processor. The processor is configured to receive a distance measurement input, identify whether the communication circuit is activated, determine that, in response to identification that the communication circuit is activated, a first frequency distinguished from a frequency used by the activated communication circuit is a frequency of the emitted light among the configured frequencies, acquire information on a distance between the electronic device and an external object, based on the reflected light of the emitted light of the first frequency, and acquire corrected distance information by applying an offset of the first frequency to the acquired distance information.
    Type: Application
    Filed: October 4, 2021
    Publication date: March 24, 2022
    Inventors: Ilyoung KIM, Johngy LEE, Hojong KIM, Jaeyoung HUH
  • Publication number: 20210249759
    Abstract: Provided is an electronic device including an antenna module. The electronic device may include: a housing constituting an external appearance of the electronic device, a support member including a first bridge, a printed circuit board coupled to one surface of the support member, a first antenna constituting a first part of the housing and connected to the support member through the first bridge, a second antenna constituting a second part of the housing, a cut-off portion separating the first antenna and the second antenna, and a first connection member and a second connection member coupled to the first bridge. The first connection member may be connected to a ground of the printed circuit board through a first capacitor and may be disposed closer to the cut-off portion than the second connection member connected to the ground of the printed circuit board through a second capacitor. Other embodiments are also possible.
    Type: Application
    Filed: January 21, 2021
    Publication date: August 12, 2021
    Inventors: Jaewoong JEON, Jaewun LEE, Jaeyoung HUH, Chanyoul PARK, Hojong KIM
  • Publication number: 20210144242
    Abstract: In accordance with one aspect of the disclosure, an electronic device comprises a plate at least partially forming one surface of a housing and including a first through-hole; a printed circuit board disposed in the housing under the plate, the printed circuit having a second through-hole at least partly overlapping the first through-hole when viewed from above the first surface; a microphone disposed on a surface of the printed circuit board facing away from the plate, and at least partly overlapping the second through-hole when viewed from above the first surface; a seal member that is disposed between the plate and the printed circuit board around the first through-hole or the second through-hole; a support member that includes a first portion that faces the printed circuit board and includes an opening, the opening penetrated by the microphone, and a second portion that extends from the first portion and faces the plate; a first fixture the printed circuit board and the first portion; and a second fixture
    Type: Application
    Filed: November 9, 2020
    Publication date: May 13, 2021
    Inventors: Nakhyun CHOI, Hojong KIM, Hanbom PARK, Sungkeun KOO, Jaeyoung HUH
  • Patent number: 10903528
    Abstract: An electrochemical cell including: a negative electrode including calcium and an alkali metal; a positive electrode including one or more elements selected from the group consisting of Al, Si, Zn, Ga, Ge, Cd, In, Sn, Sb, Hg, Tl, Pb, Bi, Te, Bi, Pb, Sb, Zn, Sn and Mg; and an electrolyte including a salt of calcium and a salt of the alkali metal. The electrolyte is configured to allow the cations of the calcium and alkali metal to be transferred from the negative electrode to the positive electrode during discharging and to be transferred from the positive electrode to the negative electrode during charging. The electrolyte exists as a liquid phase and one or both of the negative electrode and the positive electrode exists as liquid or partially liquid phases at operating temperatures of the electrochemical cell.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: January 26, 2021
    Assignee: Massachusetts Institute of Technology
    Inventors: Takanari Ouchi, Hojong Kim, Donald R. Sadoway
  • Publication number: 20200358296
    Abstract: An electronic device includes a first battery, a second battery, a power management integrated circuit, a memory, and a processor. The memory is configured to store information on a first full-charging voltage value of the first battery and a second full-charging voltage value of the second battery. The processor is configured to detect whether the electronic device is connected to an external electronic device for supplying power to the first battery or the second battery. When the first full-charging voltage value is higher than the second full-charging voltage value the processor is configured to, electrically connect the first battery to the power management integrated circuit and electrically disconnect the second battery from the power management integrated circuit. The processor is further configured to charge the first battery electrically connected to the power management integrated circuit based on power obtained from the external electronic device.
    Type: Application
    Filed: May 8, 2020
    Publication date: November 12, 2020
    Inventors: Hojong KIM, Dongwoo KIM
  • Publication number: 20200322016
    Abstract: An electronic device and an operation method of an electronic device are provided. The electronic device includes at least one mmWave antenna module configured to include a plurality of antennas, a camera capable of measuring a distance between an external object and the electronic device, a communication processor configured to be operationally connected to the at least one mmWave antenna module, and an application processor configured to be operationally connected to the camera and the communication processor.
    Type: Application
    Filed: February 25, 2020
    Publication date: October 8, 2020
    Inventors: Minjeong KIM, Hojong KIM, Jaeyoung HUH, Sungchul PARK
  • Publication number: 20200313284
    Abstract: An electronic device includes a housing configured to form an internal space, a radiating sheet configured to be disposed in the internal space; at least one electronic component configured to be disposed in the internal space and to be in contact with the radiating sheet. An FPCB antenna module configured to be disposed on the radiating sheet includes a conductive pattern and a nonconductive layer configured to surround the conductive pattern, wherein the nonconductive layer may extend on the radiating sheet to a region in which the electronic component is positioned.
    Type: Application
    Filed: March 27, 2020
    Publication date: October 1, 2020
    Inventors: Younju KIM, Kyeongjo KEUM, Hojong KIM
  • Publication number: 20200266666
    Abstract: An electronic includes: a housing including a first plate, a second plate, and a side member; a display; a conductive coil parallel to the second plate and disposed between the display and the second plate; a wireless charging circuitry electrically connected to the conductive coil; and a processor operatively connected with the display and the wireless charging circuitry. The wireless charging circuitry receives a signal for wirelessly transferring power to an external electronic device from the processor, receives information about the external electronic device, receives a power control signal from the external electronic device via the conductive coil, applies a charging current of a first frequency to the conductive coil based at least in part on a request signal, increases a frequency of the charging current, compares the increased frequency with a first value, and adjusts a duty cycle of the charging current.
    Type: Application
    Filed: February 18, 2020
    Publication date: August 20, 2020
    Inventors: Jungoh SUNG, Juhyang LEE, Myungkyoon CHUNG, Youngmi HA, Hojong KIM
  • Publication number: 20200218310
    Abstract: An electronic device is provided. The electronic device includes a communication circuit, a grip sensor, and at least one processor, wherein the at least one processor is configured to obtain a sensing signal generated in the grip sensor, detect that the electronic device is coupled to an external electronic device via the communication circuit, identify whether a strength of the sensing signal corresponds to a designated signal range, upon detecting that the electronic device is coupled to the external electronic device, and maintain a maximum power intensity of a radio signal to be transmitted via the communication circuit, in response that the strength of the sensing signal corresponds to the designated signal range.
    Type: Application
    Filed: January 7, 2020
    Publication date: July 9, 2020
    Inventors: Minjeong KIM, Hojong KIM
  • Publication number: 20190089013
    Abstract: An electrochemical cell including: a negative electrode including calcium and an alkali metal; a positive electrode including one or more elements selected from the group consisting of Al, Si, Zn, Ga, Ge, Cd, In, Sn, Sb, Hg, Tl, Pb, Bi, Te, Bi, Pb, Sb, Zn, Sn and Mg; and an electrolyte including a salt of calcium and a salt of the alkali metal. The electrolyte is configured to allow the cations of the calcium and alkali metal to be transferred from the negative electrode to the positive electrode during discharging and to be transferred from the positive electrode to the negative electrode during charging. The electrolyte exists as a liquid phase and one or both of the negative electrode and the positive electrode exists as liquid or partially liquid phases at operating temperatures of the electrochemical cell.
    Type: Application
    Filed: November 16, 2018
    Publication date: March 21, 2019
    Inventors: Takanari Ouchi, Hojong Kim, Donald R. Sadoway
  • Patent number: 10205195
    Abstract: Electrochemical cells having molten electrodes having an alkali metal provide receipt and delivery of power by transporting atoms of the alkali metal between electrode environments of disparate chemical potentials through an electrochemical pathway comprising a salt of the alkali metal. The chemical potential of the alkali metal is decreased when combined with one or more non-alkali metals, thus producing a voltage between an electrode comprising the molten alkali metal and the electrode comprising the combined alkali/non-alkali metals.
    Type: Grant
    Filed: April 3, 2015
    Date of Patent: February 12, 2019
    Assignee: Massachusetts Institute of Technology
    Inventors: Dane A. Boysen, David J. Bradwell, Kai Jiang, Hojong Kim, Luis A. Ortiz, Donald R. Sadoway, Alina A. Tomaszowska, Weifeng Wei, Kangli Wang