Patents by Inventor Ku-Chul Jung

Ku-Chul Jung 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: 10547187
    Abstract: An electronic device is provided which includes a connector connected with an external electronic device, a plug connected with an external power source, a power supply circuit that supplies power to the external electronic device through the connector, a first charging module configured to receive first protocol-related charging request information and change a charging voltage and a charging current of the power supply circuit based on the charging request information, a second charging module configured to receive second protocol-related charging request information from the external electronic device, and a processor configured to convert the second protocol-related charging request information to the first protocol-related charging request information and transmit the converted first protocol-related charging request information to the first charging module.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: January 28, 2020
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Sung Geun Yoon, Chul Woo Park, Min Jeong Lee, Ku Chul Jung
  • Publication number: 20200021126
    Abstract: The present invention relates to an electronic device, and to an electronic device and method for controlling wireless charging.
    Type: Application
    Filed: September 21, 2017
    Publication date: January 16, 2020
    Inventors: Hyun-Deok SEO, Ku-Chul JUNG, Sang-Hyun RYU, Min-Jeong LEE
  • Patent number: 10536021
    Abstract: An electronic device and a method thereof are provided. The electronic device includes a memory, a battery, a charging circuit for charging the battery using current supplied from a power supply device, a slew rate variable circuit electrically connected to the charging circuit, and a processor electrically connected to the memory, the battery, the charging circuit, and the slew rate variable circuit. The processor is configured to control the charging circuit to control the charging of the battery, to monitor a state of the electronic device during battery charging, and to control the slew rate variable circuit based on the state of the electronic device to change a slew rate related to the battery charging.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: January 14, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ku-Chul Jung, Sanghyun Ryu, Chulwoo Park, Kwangsub Lee
  • Publication number: 20190363567
    Abstract: A method comprises providing power from a battery to an external device using a first circuit; and receiving power from a first power source to provide power to the battery using a second circuit while providing power to the external device.
    Type: Application
    Filed: August 5, 2019
    Publication date: November 28, 2019
    Inventors: Hee-Tae KIM, Ku-Chul JUNG, Kwang-Sub LEE, Se-Young JANG
  • Patent number: 10389147
    Abstract: An apparatus and a method for charging a battery in an electronic device are provided. The method includes, when charging power of a first level is supplied from a charger, converting the charging power of the first level to a charging power of a second level before providing charging power to a charging circuit, providing the charging power of the second level to the charging circuit, wherein the charging power of the first level is greater than the charging power of the second level.
    Type: Grant
    Filed: May 27, 2014
    Date of Patent: August 20, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ku-Chul Jung, Kisun Lee
  • Patent number: 10374450
    Abstract: A method comprises providing power from a battery to an external device using a first circuit; and receiving power from a first power source to provide power to the battery using a second circuit while providing power to the external device.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: August 6, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hee-Tae Kim, Ku-Chul Jung, Kwang-Sub Lee, Se-Young Jang
  • Patent number: 10340737
    Abstract: According to various embodiments, an electronic device for charging a battery of an external device may include a coil and a first circuit configured to wirelessly transmit power to the external device through the coil. A second circuit may be configured to wirelessly receive information from the external device. A fan may be disposed adjacent to the coil to discharge heat to the exterior of the electronic device. A control circuit may adjust the driving speed of the fan based at least in part on the received information.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: July 2, 2019
    Assignee: Samsmg Electronics Co., Ltd.
    Inventors: Ku-Chul Jung, Kyung-Ha Koo, Chul-Woo Park, Ki-Youn Jang, Yong-Sang Yun, Chi-Hyun Cho
  • Publication number: 20190165613
    Abstract: An apparatus for wired and wireless charging of an electronic device are provided. The electronic device includes a housing, a display on a surface of the housing, a battery mounted in the housing, a circuit electrically connected with the battery, a conductive pattern positioned in the housing, electrically connected with the circuit, and configured to wirelessly transmit power to an external device, a connector on another surface of the housing and electrically connected with the circuit, a memory, and a processor electrically connected with the display, the battery, the circuit, the connector, and/or the memory. The circuit is configured to electrically connect the battery with the conductive pattern to wirelessly transmit power to the external device and electrically connect the battery with the connector to transmit power to the external device by wire, simultaneously or selectively, with wirelessly transmitting power to the external device.
    Type: Application
    Filed: February 1, 2019
    Publication date: May 30, 2019
    Inventors: Ku-Chul JUNG, Chul-Woo PARK, Sung-Geun YOON, Sang-Hyun RYU
  • Publication number: 20190145833
    Abstract: Various embodiments of the present invention relate to an apparatus and a method for controlling battery charging in an electronic device. The electronic device comprises a plurality of temperature sensors disposed at different positions, a battery, a memory, at least one processor, and a charging module for controlling charging of the battery, wherein the charging module may be configured to identify a charging type of the battery, to select at least one temperature sensor among the plurality of the temperature sensors based on the charging type of the battery, and to control a charging current of the battery based on a temperature measured through the at least one temperature sensor. Other embodiments may be possible.
    Type: Application
    Filed: February 17, 2017
    Publication date: May 16, 2019
    Inventors: Sanghyun RYU, Ku-Chul JUNG, Kangjun KO, Hyundeok SEO, Minjeong LEE
  • Patent number: 10256653
    Abstract: Provided are a battery charging method and an electronic device. The electronic device includes a connector that includes a first terminal to which a voltage is applied by an external charger and a second terminal for transmitting and receiving data, and a first charging circuit configured to charge a battery of the electronic device by using the voltage applied to the first terminal. The first charging circuit may include a communication circuit configured to transmit information related to the battery through the second terminal, a voltage converter configured to convert a voltage supplied to the battery and a first controller circuit configured to obtain first information regarding a voltage of the battery, control the communication circuit to transmit the first information to a charger connected with the connector, and control the voltage converter to charge the battery using a voltage adjusted based on the first information by the charger, if the adjusted voltage is applied to the first terminal.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: April 9, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Geun Yoon, Chul-Woo Park, Ku-Chul Jung, Hyun-Deok Seo, Min-Jeong Lee
  • Publication number: 20190097431
    Abstract: A method is provided comprising: detecting a connection between an electronic device and a battery charger; transmitting to the battery charger a first request for at least one of a first voltage level and a first current level; receiving from the battery charger a signal; and charging a battery of the electronic device with the signal.
    Type: Application
    Filed: November 19, 2018
    Publication date: March 28, 2019
    Inventors: Ku-Chul JUNG, Erik Wilson MAIER, Oscar FREITAS, Kisun LEE, Chul-Eun YUN, Kwang-Sub LEE
  • Patent number: 10218197
    Abstract: Methods and apparatuses are provided for an electronic device. A connection of the electronic device with a charging device is detected. A state of the electronic device is determined. One of a first charging circuit and a second charging circuit is selected based on the state of the electronic device.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: February 26, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hee Tae Kim, Ku Chul Jung
  • Patent number: 10199837
    Abstract: An electronic device is provided. The electronic device includes a connector to which an external device is connected, a control unit identifying a connected external device and controlling operations of a voltage conversion unit and a charging and discharging unit according to a result of an identification, the voltage conversion unit bypassing a supply voltage supplied from the external device, boosting the supply voltage, or converting a battery voltage of a battery connected to an electronic device to supply a converted voltage to the external device, according to the result of the identification, and the charging and discharging unit lowering a voltage supplied from the voltage conversion unit or bypassing the battery voltage of the battery to the voltage conversion unit, according to the result of the identification.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: February 5, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ku Chul Jung, Sung Geun Yoon, Chul Eun Yun, Kisun Lee
  • Patent number: 10199872
    Abstract: An apparatus for wired and wireless charging of an electronic device are provided. The electronic device includes a housing, a display on a surface of the housing, a battery mounted in the housing, a circuit electrically connected with the battery, a conductive pattern positioned in the housing, electrically connected with the circuit, and configured to wirelessly transmit power to an external device, a connector on another surface of the housing and electrically connected with the circuit, a memory, and a processor electrically connected with the display, the battery, the circuit, the connector, and/or the memory. The circuit is configured to electrically connect the battery with the conductive pattern to wirelessly transmit power to the external device and electrically connect the battery with the connector to transmit power to the external device by wire, simultaneously or selectively, with wirelessly transmitting power to the external device.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: February 5, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ku-Chul Jung, Chul-Woo Park, Sung-Geun Yoon, Sang-Hyun Ryu
  • Patent number: 10135263
    Abstract: A method is provided comprising: detecting a connection between an electronic device and a battery charger; transmitting to the battery charger a first request for at least one of a first voltage level and a first current level; receiving from the battery charger a signal; and charging a battery of the electronic device with the signal.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: November 20, 2018
    Assignees: Samsung Electronics Co., Ltd, Fairchild Korea Semiconductor Ltd.
    Inventors: Ku-Chul Jung, Erik Wilson Maier, Oscar Freitas, Kisun Lee, Chul-Eun Yun, Kwang-Sub Lee
  • Publication number: 20180267586
    Abstract: Disclosed is an electronic device including a battery; an interface that receives an external power; a system circuit including a processor; and a power management circuit, wherein the power management circuit is configured to detect an input of the external power through the interface; identify a voltage of the battery in response to the detection of the input of the external power; when the voltage of the battery belongs to a first designated voltage range, avoid charging the battery using the input external power and supply the input external power to the system circuit; and when the voltage of the battery belongs to a second designated voltage range, charge the battery using at least some of the input external power.
    Type: Application
    Filed: March 14, 2018
    Publication date: September 20, 2018
    Inventors: Ku-Chul JUNG, Chul-Woo PARK, Sang-Hyun RYU, Min-Jung PARK, Jeong-Ho LEE, Chi-Hyun CHO
  • Publication number: 20180262027
    Abstract: Various embodiments relating to an electronic device and a method based on a battery leakage state have been described. According to an example embodiment, an electronic device includes a display; a communication circuit; a battery; a current sensor configured to measure a charge current used for charging the battery; and a processor, wherein the processor may be configured to measure a charge current using the current sensor, to determine a leakage state of the battery based on at least a part of the charge current, and to provide a notification corresponding to the leakage state through the display and/or perform a specified function corresponding to the leakage state based on at least a part of the leakage state.
    Type: Application
    Filed: March 9, 2018
    Publication date: September 13, 2018
    Inventors: Ku-Chul JUNG, Chul-Woo PARK, Sang-Hyun RYU, Min-Jung PARK, Jeong-Ho LEE, Chi-Hyun CHO
  • Publication number: 20180183254
    Abstract: An electronic device is disclosed, and includes a battery supplying power to the electronic device, a charging circuit charging the battery, and a processor. The processor is configured to obtain context information associated with charging of the battery, if the context information satisfies a first specified condition, to set a timer associated with a charging time of the charging circuit to a first time, if the context information satisfies a second specified condition, to set the timer to a second time different from the first time, and to charge the battery by using the charging circuit during the first time corresponding to the first specified condition or the second time corresponding to the second specified condition.
    Type: Application
    Filed: December 20, 2017
    Publication date: June 28, 2018
    Inventors: Chul Woo Park, Sang Hyun Ryu, Ku Chul Jung, Se Young Jang, Chi Hyun Cho
  • Patent number: 9960615
    Abstract: An electronic device and method and power supply are disclosed. The electronic device includes comprising a connector for electrically coupling with an external power supply unit, and a processor. The processor implements the method, which includes detecting a connection state with the external power supply unit, and detecting whether power supplied from the external power supply unit is abnormal, and controlling the power when the power supplied has an abnormal value. The power supply may include a connector for electrically coupling with an electronic device, and a processor for detecting a connection state with the electronic device, detecting whether power supplied to the electronic device by the power supply unit has an abnormal value, and controlling the supplied power when the power is abnormal.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: May 1, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Geun Yoon, Ju-Nyun Kim, Se-Won Oh, Kisun Lee, Ku-Chul Jung
  • Publication number: 20180013315
    Abstract: A method comprises providing power from a battery to an external device using a first circuit; and receiving power from a first power source to provide power to the battery using a second circuit while providing power to the external device.
    Type: Application
    Filed: September 25, 2017
    Publication date: January 11, 2018
    Inventors: Hee-Tae KIM, Ku-Chul JUNG, Kwang-Sub LEE, Se-Young JANG