Patents by Inventor Taihwan Choi

Taihwan 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).

  • Publication number: 20240032200
    Abstract: An electronic device is provided. The electronic device includes an electronic component including a coil therein, and a printed circuit board that is disposed to surround at least a part of the electronic component and includes plural slits disposed at preset intervals in at least one of regions facing the electronic component, wherein each of the plural slits may include a central slit portion extended along a center of the slit, and a symmetric slit portion extended to be symmetric with respect to the central slit portion.
    Type: Application
    Filed: August 9, 2023
    Publication date: January 25, 2024
    Inventors: Taihwan CHOI, Jongdoo KIM, Jongmin KIM, Ungki MIN, Gunhee PARK, Daeseung PARK, Garam YU, Bongyeol LEE, Hanyeop LEE, Gun LIM
  • Publication number: 20230409101
    Abstract: According to an embodiment, an electronic device may comprise an antenna circuit including an antenna, a first capacitor, a switch, a sensor, and at least one processor. The at least one processor may be configured to control the switch to connect the first capacitor and the sensor, based on start of booting of the electronic device, determine an initial value of the sensor for determining whether a user grips at least a portion of the electronic device, based on the connection of the first capacitor and the sensor, and control the switch to connect the antenna circuit and the sensor, based on the determination of the initial value of the sensor. Other various embodiments are possible as well.
    Type: Application
    Filed: June 8, 2023
    Publication date: December 21, 2023
    Inventors: Minjoo HWANG, Donghyun YOO, Dongyoung KIM, Sanguk KIM, Jongdoo KIM, Yohan MOON, Hanyeop LEE, Taihwan CHOI, Hyoseok NA, Gun LIM
  • Publication number: 20230327323
    Abstract: An electronic device according to an embodiment may include a camera module, a metal structure, a first antenna adjacent to the camera module, a second antenna spaced from the camera module, a switching module electrically connected to the metal structure, including at least one lumped element, and adjusting an impedance by using the at least one lumped element, and at least one processor. The at least one processor is configured to transmit a signal in a first frequency band by feeding the first antenna and control the switching module such that the switching module has a first impedance corresponding to the first frequency band and electrically connects the metal structure and the ground when the transmission power of the first antenna is equal to or more than the designated value.
    Type: Application
    Filed: June 16, 2023
    Publication date: October 12, 2023
    Inventors: Jongmin KIM, Sangho HONG, Hyoseok NA, Gunhee PARK, Yongam SON, Jongkwan LEE, Hanyeop LEE, Taihwan CHOI
  • Publication number: 20230152450
    Abstract: Disclosed is an electronic device including a housing, a memory, a first electrode and a second electrode disposed in the housing, a charging circuit configured to receive power from an external charging device, a first touch sensor, a magnetic sensor, a first switch, and a processor electrically connected to the memory, the charging circuit, the first touch sensor, the magnetic sensor, and the first switch, wherein the memory stores instructions that, when executed, cause the processor to sense a numerical value of a magnetic flux of a magnetic material contained in the external charging device via the magnetic sensor, and control the first switch to selectively connect the first electrode and the first touch sensor or the charging circuit to each other based on the numerical value of the magnetic flux. Other embodiments are also disclosed.
    Type: Application
    Filed: November 16, 2022
    Publication date: May 18, 2023
    Inventors: Hyojung LEE, Hyoseok NA, Gunhee PARK, Myounggyo SEO, Kyungtai LEE, Hanyeop LEE, Taihwan CHOI
  • Publication number: 20230021496
    Abstract: An electronic device according to various embodiments of the disclosure may include: a first housing including a first conductive portion, a first non-conductive portion, and a first segmented portion extending from the first conductive portion, a second housing configured to accommodate at least a portion of the first housing and to guide a slide movement of the first housing, the second housing including a second conductive portion, and a flexible display including a first area connected to the first housing and a second area extending from the first area and configured to be bendable or rollable, wherein, from a slide-in state to a slide-out state of the first housing with respect to the second housing, the first conductive portion and the second conductive portion may be spaced apart from each other, and in the slide-in state of the first housing with respect to the second housing, at least a portion of the first non-conductive portion may overlap the second conductive portion.
    Type: Application
    Filed: July 15, 2022
    Publication date: January 26, 2023
    Inventors: Taihwan CHOI, Dokyun KIM, Jongdoo KIM, Hyoseok NA, Kwangseok AHN, Wongi HWANG
  • Publication number: 20220131269
    Abstract: Disclosed is an electronic device including a housing having a first plate, a second plate facing in a direction opposite to the first plate, and a side surface member surrounding a space between the first plate and the second plate and including a conductive portion, a communication module, and an antenna structure electrically connected with the communication module, wherein the antenna structure includes at least one first antenna element formed in the conductive portion and including a first slot having a first portion extending in a first length in a first direction and a second portion extending in a second length in a second direction different from the first direction, and at least one second antenna element formed in a position spaced apart by a predetermined distance from the first antenna element in the conductive portion and including at least one second slot having a fourth portion extending in the first length in the first direction and a fifth portion extending in the second length in a third d
    Type: Application
    Filed: January 5, 2022
    Publication date: April 28, 2022
    Inventors: Taihwan CHOI, Youngjoong YOON, Janghwan BAE, Seunghun CHA, Sungsoo KIM
  • Publication number: 20220094040
    Abstract: According to various embodiments of the disclosure, an electronic device may comprise: a housing forming at least a portion of an exterior of the electronic device, a printed circuit board disposed in an inner space of the housing, and an antenna structure including at least one antenna positioned in the inner space and electrically connected with the printed circuit board. The antenna structure may include a conductive plate having an opening, the opening including a first opening and a second opening extending from the first opening toward an edge of the conductive plate, a first conductive strip at least partially disposed in the second opening to form a first feed, and a second conductive strip forming a second feed different from the first feed.
    Type: Application
    Filed: December 3, 2021
    Publication date: March 24, 2022
    Inventors: Taihwan Choi, Junho Kim