Patents by Inventor Chul Eun Yun

Chul Eun Yun 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: 20210367434
    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: August 9, 2021
    Publication date: November 25, 2021
    Inventors: Ku-Chul JUNG, Erik Wilson MAIER, Oscar FREITAS, Kisun LEE, Chul-Eun YUN, Kwang-Sub LEE
  • Patent number: 11121559
    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: November 19, 2018
    Date of Patent: September 14, 2021
    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: 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: 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: 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
  • Patent number: 9660475
    Abstract: A control circuit for reducing a charging time and a method thereof are provided. The charging device includes an input unit configured to receive a control signal indicating that applied power is process power, and a switch configured to cut off a path between a terminal set and a battery while the process power is applied, when the applied power is the process power.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: May 23, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ku-Chul Jung, KiSun Lee, Chul-Eun Yun, Seung-Su Hong
  • Patent number: 9634509
    Abstract: A method and an apparatus for rapid charging in an electronic device are provided. In a method for charging a battery of an electronic device, an operation environment of the electronic device is determined. A charging current corresponding to the operation environment of the electronic device is set. Battery charging is started using the set charging current. The battery is charged using a maximum allowed charging current, such that a battery charging time may be reduced.
    Type: Grant
    Filed: November 5, 2014
    Date of Patent: April 25, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Chul-Eun Yun, Ki-Sun Lee, Chul-Woo Park, Ku-Chul Jung, Young-Hee Ha
  • Publication number: 20150280457
    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: Application
    Filed: March 30, 2015
    Publication date: October 1, 2015
    Inventors: Ku Chul JUNG, Sung Geun YOON, Chul Eun YUN, Kisun LEE
  • Publication number: 20150222179
    Abstract: An electric power device and a method for providing an electric power in the electric power device capable of improving efficiency of a conductor while decreasing an area where the electric power device is mounted are provided. The electric power device includes an inductor, and a plurality of converters configured to output voltages using the inductor.
    Type: Application
    Filed: January 27, 2015
    Publication date: August 6, 2015
    Inventors: Chul-Eun YUN, Kisun LEE
  • Publication number: 20150180244
    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: December 19, 2014
    Publication date: June 25, 2015
    Inventors: Ku-Chul JUNG, Erik Wilson MAIER, Oscar FREITAS, Kisun LEE, Chul-Eun YUN, Kwang-Sub LEE
  • Publication number: 20150123599
    Abstract: A method and an apparatus for rapid charging in an electronic device are provided. In a method for charging a battery of an electronic device, an operation environment of the electronic device is determined. A charging current corresponding to the operation environment of the electronic device is set. Battery charging is started using the set charging current. The battery is charged using a maximum allowed charging current, such that a battery charging time may be reduced.
    Type: Application
    Filed: November 5, 2014
    Publication date: May 7, 2015
    Inventors: Chul-Eun Yun, Ki-Sun Lee, Chul-Woo Park, Ku-Chul Jung, Young-Hee Ha
  • Publication number: 20150002078
    Abstract: A control circuit for reducing a charging time and a method thereof are provided. The charging device includes an input unit configured to receive a control signal indicating that applied power is process power, and a switch configured to cut off a path between a terminal set and a battery while the process power is applied, when the applied power is the process power.
    Type: Application
    Filed: May 28, 2014
    Publication date: January 1, 2015
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ku-Chul JUNG, KiSun LEE, Chul-Eun YUN, Seung-Su HONG
  • Patent number: 8847669
    Abstract: A method for controlling a temperature of a terminal and a terminal supporting the same are provided. A terminal supporting temperature control includes a temperature sensor for detecting a temperature of the terminal, and a controller for performing at least one of a first throttle procedure including driving the controller with a first preset driving frequency when the temperature of the terminal detected by the temperature sensor is a first preset temperature, and driving the controller with a second driving frequency higher than the first driving frequency when the temperature of the terminal is reduced to a second preset temperature lower than the first preset temperature, and a second throttle procedure including driving the controller with the first preset driving frequency for a first time, and driving the controller with the second driving frequency higher than the first driving frequency for a second time after the first time elapses.
    Type: Grant
    Filed: July 6, 2012
    Date of Patent: September 30, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ki Yeon Park, Se Young Jang, Chul Eun Yun
  • Publication number: 20130027115
    Abstract: A method for controlling a temperature of a terminal and a terminal supporting the same are provided. A terminal supporting temperature control includes a temperature sensor for detecting a temperature of the terminal, and a controller for performing at least one of a first throttle procedure including driving the controller with a first preset driving frequency when the temperature of the terminal detected by the temperature sensor is a first preset temperature, and driving the controller with a second driving frequency higher than the first driving frequency when the temperature of the terminal is reduced to a second preset temperature lower than the first preset temperature, and a second throttle procedure including driving the controller with the first preset driving frequency for a first time, and driving the controller with the second driving frequency higher than the first driving frequency for a second time after the first time elapses.
    Type: Application
    Filed: July 6, 2012
    Publication date: January 31, 2013
    Applicant: SAMSUNG ELECTRONICS CO. LTD.
    Inventors: Ki Yeon PARK, Se Young JANG, Chul Eun Yun