Patents by Inventor Wook Yoon

Wook Yoon 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: 20230094786
    Abstract: An aerosol generating device according to an embodiment may include a case including an accommodation space for accommodating at least a part of an aerosol generating article; a heater that heats the aerosol generating article accommodated in the accommodation space to generate aerosol; and an air circulator that generates air flow to discharge air in the accommodation space to outside.
    Type: Application
    Filed: May 14, 2020
    Publication date: March 30, 2023
    Applicant: KT&G CORPORATION
    Inventor: Sung Wook YOON
  • Publication number: 20230096029
    Abstract: An aerosol generating device includes a heater configured to heat an aerosol generating material to generate aerosol; a controller configured to: calculate a current flowing through the heater based on a predefined resistance of the heater and power supplied to the heater, measure the current flowing through the heater, and control the power supplied to the heater based on a difference between the calculated current and the measured current.
    Type: Application
    Filed: May 8, 2020
    Publication date: March 30, 2023
    Applicant: KT&G CORPORATION
    Inventors: Won Kyeong LEE, Paul Joon SUNWOO, Sung Wook YOON, Dae Nam HAN
  • Publication number: 20230099721
    Abstract: An aerosol generating device includes a heater configured to heat a cigarette to generate an aerosol, an inductance channel, a capacitance channel, and a controller configured to generate a control signal using information received from the inductance channel and the capacitance channel A cigarette insertion space that is configured to receive the cigarette is provided within the aerosol generating device, and the controller is configured to: measure an amount of change in capacitance in the capacitance channel based on an amount of change in frequency of current flowing through the inductance channel exceeding a first reference value, due to an object adjacent to the cigarette insertion space, and control a start of a supply of power to the heater based on the amount of change in the capacitance that is measured exceeding a second reference value.
    Type: Application
    Filed: April 27, 2021
    Publication date: March 30, 2023
    Applicant: KT&G CORPORATION
    Inventors: Yong Hwan KIM, Sung Wook YOON, Seung Won LEE, Dae Nam HAN
  • Publication number: 20230097359
    Abstract: According to some embodiments, an aerosol-generating device includes: an inductive sensor that detects a change in inductance; an induction coil configured to generate a time-varying magnetic field by a current; a susceptor configured to heat an aerosol-generating article inserted into an accommodation space of the aerosol-generating device according to the time-varying magnetic field; a controller configured to: determine whether the aerosol-generating article is inserted into the accommodation space based on the change in inductance detected by the inductive sensor, start heating the susceptor by applying the current to the induction coil based on determining that the aerosol-generating article is inserted into the accommodation space, measure a frequency response of a coupling circuit formed in response to the current being applied to the induction coil, and determine whether to continue to heat the susceptor based on the measured frequency response.
    Type: Application
    Filed: June 29, 2021
    Publication date: March 30, 2023
    Applicant: KT&G CORPORATION
    Inventors: Yong Hwan KIM, Sung Wook YOON, Seok Su JANG, Dae Nam HAN
  • Publication number: 20230073657
    Abstract: The present disclosure provides an aerosol-generating article including an aerosol generator including: an aerosol generator comprising an aerosol-generating material configure to vaporize into an aerosol; a tobacco filling part comprising an inner wrapper on which a plurality of folds are formed, and granules of a tobacco material attached to the plurality of folds such that a tobacco component is added to the aerosol passing through the tobacco filling part; and a thermally conductive wrapper wrapped around at least part of outer surfaces of the aerosol generator and the tobacco filling part, and configured to transmit heat to the aerosol-generating material and the tobacco material.
    Type: Application
    Filed: July 23, 2021
    Publication date: March 9, 2023
    Applicant: KT&G CORPORATION
    Inventors: Seok Su JANG, Dae Nam HAN, Yong Hwan KIM, Sung Wook YOON, Seung Won LEE
  • Publication number: 20230065181
    Abstract: An aerosol generating device according to one embodiment may include: a housing that forms an exterior of the aerosol generating device and includes an opening into which a cigarette is inserted; a heater that generates an aerosol by heating the cigarette; a battery that supplies power to the heater; a temperature sensor that senses a temperature of an internal component of the aerosol generating device; and a controller that prevents abnormal operation of the aerosol generating device based on the temperature of the internal component sensed by the temperature sensor.
    Type: Application
    Filed: November 7, 2022
    Publication date: March 2, 2023
    Applicant: KT&G CORPORATION
    Inventors: Seung Won LEE, Yong Hwan KIM, Sung Wook YOON, Dae Nam HAN
  • Publication number: 20230065955
    Abstract: An aerosol generating apparatus according to an embodiment may include a housing; a heater configured to heat an aerosol generating material inserted into the housing; an optical sensor configured to sense an optical signal reflected from a user's hand; and a processor configured to: obtain fingerprint information of a user from the optical signal sensed by the optical sensor, determine whether the user is authorized to use the aerosol generating apparatus based on the obtained fingerprint information, obtain heart rate information from the sensed optical signal based on the user being determined to be an authorized user, and control power supplied to the heater based on the heart rate information.
    Type: Application
    Filed: April 29, 2021
    Publication date: March 2, 2023
    Applicant: KT&G CORPORATION
    Inventors: Yong Hwan KIM, Wang Seop LIM, Sung Wook YOON, Seung Won LEE, Dae Nam HAN
  • Publication number: 20230058326
    Abstract: An aerosol generating device according to an aspect may include a display; and a processor configured to monitor states of a plurality of modules included in the aerosol generating device, determine an overall state of the aerosol generating device based on monitoring results, and control the display to output an visual information representing the overall state.
    Type: Application
    Filed: May 11, 2021
    Publication date: February 23, 2023
    Applicant: KT&G CORPORATION
    Inventors: Yong Hwan KIM, Dae Nam HAN, Sung Wook YOON, Seung Won LEE
  • Publication number: 20230013486
    Abstract: An aerosol generating device may include a housing forming an exterior of the aerosol generating device; a heater configured to heat an aerosol generating article inserted through a first surface of the housing; a battery electrically connected to the heater; a weather information sensor exposed through a second surface of the housing and configured to measure weather information surrounding the housing; and a controller configured to adjust power supplied from the battery to the heater, wherein the controller is further configured to control an amount of the power supplied from the battery to the heater such that the heater is heated according to at least one from among a target temperature of a pre-heating section and a target temperature of a smoking section that is determined.
    Type: Application
    Filed: December 14, 2020
    Publication date: January 19, 2023
    Applicant: KT&G CORPORATION
    Inventors: Yong Hwan KIM, Sung Wook YOON, Seung Won LEE, Dae Nam HAN
  • Publication number: 20220408841
    Abstract: An aerosol generating device includes: a heater configured to heat an aerosol generating material; a battery configured to supply power to the heater; a communication interface configured to communicate with an external device; and a processor configured to receive a result of user authorization from the external device through the communication interface and operate based on the result of the user authorization.
    Type: Application
    Filed: December 14, 2020
    Publication date: December 29, 2022
    Applicant: KT&G CORPORATION
    Inventors: Yong Hwan KIM, Jeong Hoon KIM, Sung Wook YOON, Seung Won LEE, Dae Nam HAN
  • Publication number: 20220408830
    Abstract: According to some embodiments, an aerosol generating device may include a battery, a first control circuit configured to convert power received from the battery into a pulse width modulation (PWM) signal, a heater configured to heat an aerosol generating article based on the PWM signal received from the first control circuit, and a second control circuit configured to transmit an instruction for causing the first control circuit to generate the PWM signal, in response to a user input to the first control circuit. The first control circuit may determine abnormal operation of the second control circuit, and the second control circuit may determine abnormal operation of the aerosol generating device. Accordingly, the aerosol generating device may determine a more specific operation state and prevent abnormal operation of the heater.
    Type: Application
    Filed: December 10, 2020
    Publication date: December 29, 2022
    Applicant: KT&G CORPORATION
    Inventors: Yong Hwan KIM, Sung Wook YOON, Seung Won LEE, Dae Nam HAN
  • Publication number: 20220408833
    Abstract: An aerosol generating device according to one embodiment may include: a housing that forms an exterior of the aerosol generating device and includes an opening into which a cigarette is inserted; a heater that generates an aerosol by heating the cigarette; a battery that supplies power to the heater; a temperature sensor that senses a temperature of an internal component of the aerosol generating device; and a controller that prevents abnormal operation of the aerosol generating device based on the temperature of the internal component sensed by the temperature sensor.
    Type: Application
    Filed: December 22, 2020
    Publication date: December 29, 2022
    Applicant: KT&G CORPORATION
    Inventors: Seung Won LEE, Yong Hwan KIM, Sung Wook YOON, Dae Nam HAN
  • Publication number: 20220408821
    Abstract: An aerosol-generating device includes a housing having an opening configured to receive an aerosol-generating article; an accommodating space configured to accommodate the aerosol-generating article inserted through the opening; a heat-dissipating structure comprising an inner wall forming the accommodating space, and an outer wall surrounding the inner wall such that an inner space is formed between the inner wall and the outer wall; and a coil arranged between the outer wall and the housing, and configured to generate an induced magnetic field, wherein the inner wall is configured to generate heat by the induced magnetic field generated from the coil.
    Type: Application
    Filed: December 8, 2020
    Publication date: December 29, 2022
    Applicant: KT&G CORPORATION
    Inventors: Sung Wook YOON, Yong Hwan KIM, Seung Won LEE, Dae Nam HAN
  • Publication number: 20220408836
    Abstract: An error analysis device for an aerosol generating device includes: a communication interface configured to receive log data from the aerosol generating device; and a processor configured to determine at least one error that occurred in the aerosol generating device based on the log data that is received. The log data according to an embodiment may include logs corresponding to events that occurred in the aerosol generating device.
    Type: Application
    Filed: December 10, 2020
    Publication date: December 29, 2022
    Applicant: KT&G CORPORATION
    Inventors: Yong Hwan KIM, Sung Wook YOON, Seung Won LEE, Dae Nam HAN
  • Publication number: 20220408834
    Abstract: According to one or more embodiments, an aerosol-generating device may be provided, the aerosol-generating device including: a cigarette insertion detection sensor detecting whether a cigarette is inserted into an accommodation space of the aerosol-generating device; a heater heating the cigarette inserted in the accommodation space; at least one temperature sensor measuring temperatures of at least two locations inside the aerosol-generating device; and a controller configured to determine whether the aerosol-generating device is in an overheated state based on temperatures measured by the temperature sensor when the cigarette inserted into the accommodation space is detected by the cigarette insertion detection sensor, and automatically perform a heating operation using the heater after waiting until the overheated state is finished when it is determined that the aerosol-generating device is in an overheated state.
    Type: Application
    Filed: December 10, 2020
    Publication date: December 29, 2022
    Applicant: KT&G CORPORATION
    Inventors: Yong Hwan KIM, Dae Nam HAN, Sung Wook YOON, Seung Won LEE
  • Publication number: 20220408822
    Abstract: An aerosol generating device includes: an opening configured to receive a cigarette; an accommodation space configured to accommodate the cigarette inserted through the opening; a coil surrounding the accommodation space and configured to generate an induced magnetic field; a susceptor configured to generate heat due to the induced magnetic field generated from the coil; a heat dissipating structure surrounding the coil and having a double wall structure including a vacuum inner space; and a shielding portion configured to block the induced magnetic field generated from the coil and disposed between the coil and the heat dissipating structure.
    Type: Application
    Filed: December 9, 2020
    Publication date: December 29, 2022
    Applicant: KT&G CORPORATION
    Inventors: Seung Won LEE, Yong Hwan KIM, Sung Wook YOON, Dae Nam HAN
  • Publication number: 20220400773
    Abstract: Provided is a method of controlling a temperature of a heater of an aerosol generating device based on temperature and humidity. The method includes detecting an external temperature and an external humidity of the aerosol generating device; determining a temperature profile of the heater; outputting a plurality of adjustment values; determining an adjustment value from among the plurality of adjustment values based on a user input; fine-tuning the temperature profile based on the determined adjustment value; and controlling power supplied to the heater based on the fine-tuned temperature profile, wherein at least one of the temperature profile and the plurality of adjustment values is determined based on at least of the external temperature and the external humidity.
    Type: Application
    Filed: December 16, 2020
    Publication date: December 22, 2022
    Applicant: KT&G CORPORATION
    Inventors: Yong Hwan KIM, Dae Nam HAN, Sung Wook YOON, Seung Won LEE
  • Publication number: 20220395027
    Abstract: An aerosol generating device and system determine whether an aerosol generating substance is separated from the aerosol generating device based on an amount of change in inductance while power is blocked from being supplied to a heater.
    Type: Application
    Filed: December 15, 2020
    Publication date: December 15, 2022
    Applicant: KT&G CORPORATION
    Inventors: Yong Hwan KIM, Sung Wook YOON, Seung Won LEE, Dae Nam HAN
  • Publication number: 20220395030
    Abstract: An aerosol generating system includes a holder including: a heater configured to heat an aerosol generating article; a holder battery configured to supply electric power to the heater; and a holder processor configured to measure a remaining charge value of the holder battery; and a cradle detachably coupled to the holder and including: a cradle battery having a greater battery capacity than the holder battery; and a cradle processor configured to: identify whether the holder is coupled to the cradle, receive a remaining charge value of the holder battery from the holder processor based on the holder being coupled to the cradle, and control the cradle battery to supply electric power to the heater based on the received remaining charge value being greater than or equal to a preset reference value.
    Type: Application
    Filed: December 16, 2020
    Publication date: December 15, 2022
    Applicant: KT&G CORPORATION
    Inventors: Seung Won LEE, Wang Seop LIM, Yong Hwan KIM, Sung Wook YOON, Dae Nam HAN
  • Publication number: 20220369712
    Abstract: An aerosol generating device includes: a heater configured to heat an aerosol generating substance; a battery configured to supply power to the heater; a thermoelectric element arranged adjacent to the heater, and configured to absorb heat from the heater and convert the absorbed heat into electric power; and a controller configured to charge the battery by using the converted power based on a heating time of the heater.
    Type: Application
    Filed: December 10, 2020
    Publication date: November 24, 2022
    Applicant: KT&G CORPORATION
    Inventors: Seung Won LEE, Yong Hwan KIM, Sung Wook YOON, Dae Nam HAN