Patents by Inventor Byung Sung CHO
Byung Sung CHO 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).
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Patent number: 11957182Abstract: An aerosol generating device includes a main body and a cartridge detachably coupled to the main body. The main body includes a controller, a battery, and a first wireless communication unit. The cartridge includes a second wireless communication unit. The controller controls output power of the battery to apply a power pattern to the cartridge, and the first wireless communication unit establishes a wireless connection with the second wireless communication unit when power supplied from the battery to the cartridge matches a preset power pattern.Type: GrantFiled: May 7, 2020Date of Patent: April 16, 2024Assignee: KT&G CORPORATIONInventors: Byung Sung Cho, Won Kyeong Lee, Jong Sub Lee, Dae Nam Han
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Patent number: 11944124Abstract: An aerosol generating device may include a heater configured to heat an aerosol generating material, a battery configured to supply power to the heater, and a controller. In addition, the aerosol generating device may further include a user input detection sensor configured to receive a user's input and a pressure detection sensor configured to sense pressure. The controller may, in response to the user's input being sensed by using the user input detection sensor, obtain an initial pressure sensing value by using the pressure detection sensor. In addition, the controller may determine a reference pressure value based on the initial pressure sensing value and determine whether a puff of the aerosol generating device has occurred based on the reference pressure value.Type: GrantFiled: December 11, 2020Date of Patent: April 2, 2024Assignee: KT&G CORPORATIONInventors: Won Kyeong Lee, Min Kyu Kim, Jong Sub Lee, Byung Sung Cho
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Patent number: 11883584Abstract: According to some embodiments, there is disclosed an aerosol generating device which includes: a main body including a controller and a battery; and a cartridge detachably coupled to the main body, wherein the controller periodically detects whether the cartridge is coupled to the main body while the aerosol generating device operates in a first mode, determines whether a preset period of time has elapsed based on the cartridge being determined to have been separated from the main body, and switches the aerosol generating device from the first mode to a second mode based on whether the cartridge is coupled to the main body before the preset period of time elapses.Type: GrantFiled: April 17, 2020Date of Patent: January 30, 2024Assignee: KT&G CORPORATIONInventors: Byung Sung Cho, Won Kyeong Lee, Jong Sub Lee, Dae Nam Han
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Publication number: 20230354890Abstract: An aerosol generating device includes a first cartridge including a delivery hole for delivering an aerosol generated from the first material, a second cartridge including chambers for accommodating a second material passing an aerosol delivered from the first cartridge therethrough and is capable of changing a relative position of the first cartridge with regard to the second cartridge, a drive device for changing the relative position of the first cartridge and the second cartridge, and a controller for changing the relative position of the first cartridge with regard to the second cartridge so that at least one of the plurality of chambers passes the aerosol therethrough when a previously determined condition is satisfied.Type: ApplicationFiled: May 18, 2021Publication date: November 9, 2023Applicant: KT &G CORPORATIONInventors: Jong Sub LEE, Min Kyu KIM, Won Kyeong LEE, Byung-Sung CHO
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Publication number: 20230189882Abstract: An aerosol generating device includes a first cartridge configured to accommodate a first material and comprising a delivery hole through which an aerosol generated from the first material is delivered; a second cartridge comprising a plurality of chambers for accommodating a second material through which the aerosol delivered from the first cartridge passes, and movably coupled to the first cartridge such that a position of the second cartridge with respect to the first cartridge is changeable; a magnetic body arranged in one of the second cartridge and the first cartridge; and an electromagnet arranged in the other of the second cartridge and the first cartridge to face the magnetic body, and configured to generate magnetism toward the magnetic body such that the one of the first cartridge and the second cartridge moves with respect to the other.Type: ApplicationFiled: July 2, 2021Publication date: June 22, 2023Applicant: KT&G CORPORATIONInventors: Won Kyeong LEE, Min Kyu KIM, Jong Sub LEE, Byung Sung CHO
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Publication number: 20230172282Abstract: An aerosol generating device includes a main body and a cartridge detachably coupled to the main body. The main body includes a controller, a battery, and a first wireless communication unit. The cartridge includes a second wireless communication unit. The controller controls output power of the battery to apply a power pattern to the cartridge, and the first wireless communication unit establishes a wireless connection with the second wireless communication unit when power supplied from the battery to the cartridge matches a preset power pattern.Type: ApplicationFiled: May 7, 2020Publication date: June 8, 2023Applicant: KT&G CORPORATIONInventors: Byung Sung CHO, Won Kyeong LEE, Jong Sub LEE, Dae Nam HAN
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Publication number: 20230148676Abstract: An aerosol generating apparatus according to an aspect includes a cartridge for accommodating an aerosol generating material, a processor, and an electronic circuit connected to the cartridge and the processor, wherein the processor detects a remaining amount of the aerosol generating material by using a fixed resistor included in the electronic circuitType: ApplicationFiled: April 12, 2021Publication date: May 18, 2023Applicant: KT&G CORPORATIONInventors: Won Kyeong LEE, Byung Sung CHO, Min Kyu KIM, Jong Sub LEE
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Publication number: 20230143680Abstract: An aerosol generating device includes an aerosol delivering device including a first cartridge in which a first material for generating an aerosol is accommodated, and a second cartridge rotatably coupled to the first cartridge, configured to accommodate a second material, and arranged such that an aerosol generated from the first material passes through the second material, and an atomizer that is connected to the first cartridge and configured to generate the aerosol by atomizing the first material and deliver the aerosol to the second cartridge.Type: ApplicationFiled: September 1, 2021Publication date: May 11, 2023Applicant: KT&G CORPORATIONInventors: Jong Sub LEE, Min Kyu KIM, Won Kyeong LEE, Byung Sung CHO
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Publication number: 20230141960Abstract: Provided is an aerosol generating device including a heater that heats an aerosol-generating material and a controller that controls power supplied to the heater. The controller may measure a resistance value of the heater by using at least one electrical characteristic associated with the heater, select any one power profile from among a plurality of pre-stored power profiles including values of power to be supplied to the heater, such that a temperature of the heater reaches a target temperature within a predetermined time from a time point at which power supply to the heater is initiated regardless of variation in the resistance value of the heater, and control power supplied to the heater according to the selected power profile.Type: ApplicationFiled: April 14, 2020Publication date: May 11, 2023Applicant: KT&G CORPORATIONInventors: Byung Sung CHO, Won Kyeong LEE, Jong Sub LEE, Dae Nam HAN
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Publication number: 20230134145Abstract: An aerosol-generating apparatus according to an embodiment may include a plurality of chambers configured to accommodate a flavoring material; a rotating body configured to rotate the plurality of chambers; a coil antenna arranged such that an inductance of the coil antenna is changed by rotation of the rotating body; an inductive sensor configured to detect, the inductance and identify a rotation amount and a rotation direction of the rotating body based on a change in the inductance; and a processor configured to identify a chamber in use from among the plurality of chambers, based on the rotation amount and the rotation direction of the rotating body.Type: ApplicationFiled: July 6, 2021Publication date: May 4, 2023Applicant: KT&G CORPORATIONInventors: Ju Eon PARK, Min Kyu KIM, Jong Sub LEE, Byung Sung CHO
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Publication number: 20230109861Abstract: A method of counting the number of puffs using an aerosol generating device is disclosed. The may include obtaining a first start time which is a time when a pressure measured by a sensor included in the aerosol generating device decreases below a first reference pressure value; obtaining a first end time which is a time when the pressure measured by the sensor reaches the first reference pressure value after the first start time; determining whether a first period, which is a period between the first end time and the first start time, is longer than or equal to a first reference period; and increase the number of puffs by one based on the first period being longer than or equal to the first reference period.Type: ApplicationFiled: April 14, 2020Publication date: April 13, 2023Applicant: KT&G CORPORATIONInventors: Byung Sung CHO, Won Kyeong LEE, Jong Sub LEE, Dae Nam HAN
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Publication number: 20230093846Abstract: An aerosol generating device and an operation method thereof are disclosed. The aerosol generating device may include a heater for heating an aerosol generating material, a battery for supplying power to the heater, and a controller for dividing a preheating period for preheating the heater into a plurality of sections and controlling so that more power is supplied to the heater in a first section than in a second section among the plurality of sections.Type: ApplicationFiled: April 22, 2020Publication date: March 30, 2023Applicant: KT&G CORPORATIONInventors: Byung Sung CHO, Won Kyeong LEE, Jong Sub LEE, Dae Nam HAN
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Patent number: 11596180Abstract: A device for generating an aerosol includes: a body portion including a controller, a heater, and a magnetic sensor, and a sliding member including a magnet and configured to move between a first position and a second position along the body portion, wherein the magnetic sensor detects movement of the magnet, and wherein the controller activates the device when the magnetic sensor detects that the sliding member is moved from the first position to the second position.Type: GrantFiled: February 12, 2020Date of Patent: March 7, 2023Assignee: KT&G CORPORATIONInventors: Jong Sub Lee, Dae Nam Han, Won Kyeong Lee, Byung Sung Cho
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Publication number: 20230045457Abstract: An aerosol generating device includes: a liquid storage configured to store an aerosol generating material; a first residual amount detection sensor and a second residual amount detection sensor respectively arranged on a first inner surface and a second inner surface that face each other among inner surfaces of the liquid storage; a third residual amount detection sensor and a fourth residual amount detection sensor respectively arranged on a third inner surface and a fourth inner surface of the liquid storage that face each other and are different from the first inner surface and the second inner surface of the liquid storage; and a controller configured to measure a remaining amount of the aerosol generating material based on a first detected value output by the first residual amount detection sensor and a second detected value output by the second residual amount detection sensor.Type: ApplicationFiled: October 21, 2021Publication date: February 9, 2023Applicant: KT&G CORPORATIONInventors: Ju Eon PARK, Min Kyu KIM, Jong Sub LEE, Byung Sung CHO
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Publication number: 20220408831Abstract: According to some embodiments, an aerosol generating device includes: a main body including an accommodation space into which a cartridge, that is detachable, is configured to be inserted; a battery provided in the main body and configured to supply power to power consumption components included in the main body; a feedback line configured to feedback electrical connection between a heater in the cartridge and the main body based on the cartridge being inserted into the accommodation space; and a controller configured to change a mode of the aerosol generating device to a use mode based on a feedback signal being received through the feedback line when the aerosol generating device is set to a shipping mode.Type: ApplicationFiled: December 14, 2020Publication date: December 29, 2022Applicant: KT&G CORPORATIONInventors: Won Kyeong LEE, Jong Sub LEE, Min Kyu KIM, Byung Sung CHO
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Publication number: 20220400757Abstract: An aerosol generating device includes: a main body including a processor and a battery; a heater module detachably coupled to the main body and including a heater configured to heat an aerosol generating material; and a cartridge detachably coupled to the heater module and storing the aerosol generating material to be delivered to the heater, wherein the heater module includes an integrated circuit electrically connected to the processor when the heater module is coupled to the main body.Type: ApplicationFiled: December 15, 2020Publication date: December 22, 2022Applicant: KT&G CORPORATIONInventors: Won Kyeong LEE, Min Kyu KIM, Jong Sub LEE, Byung Sung CHO
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Publication number: 20220395028Abstract: An aerosol generating device includes: a cartridge including a liquid storage and an atomizer; and a main body including a battery, a puff sensor, and a controller configured to perform pulse width modulation (PWM) control for supplying power from the battery to the atomizer, wherein the controller performs the PWM control at a first duty ratio during a puff period and performs the PWM control at a second duty ratio lower than the first duty ratio during a non-puff period between puff periods.Type: ApplicationFiled: December 14, 2020Publication date: December 15, 2022Applicant: KT&G CORPORATIONInventors: Won Kyeong LEE, Min Kyu KIM, Jong Sub LEE, Byung Sung CHO
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Publication number: 20220378108Abstract: An aerosol-generating device includes a heater configured to heat an aerosol-generating material, a puff detection sensor configured to detect puffs of a user, a battery configured to supply power to the heater, and a controller configured to: based on a new puff being detected by the puff detection sensor, count a number of accumulated puffs including the new puff, determine a puff section corresponding to the number of accumulated puffs from among a plurality of puff sections which are divided according to the number of accumulated puffs, and control the power supplied to the heater based on a power range preset for the determined puff section.Type: ApplicationFiled: August 2, 2021Publication date: December 1, 2022Applicant: KT&G CORPORATIONInventors: Byung Sung CHO, Min Kyu KIM, Ju Eon PARK, Jong Sub LEE
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Publication number: 20220369703Abstract: An aerosol generating device includes a first cartridge including a first material and a delivery hole, a second cartridge including chambers for accommodating a second material through which an aerosol passes, a position of the second cartridge with respect to the first cartridge being changeable, a remaining amount sensor configured to detect a remaining amount of the first material, and a controller configured to determine a consumption amount at which the first material is consumed with respect to a usage chamber that currently passes the aerosol based on the detected remaining amount of the first material and to compare the consumption amount of the first material with a pre-set reference consumption amount of the first material with respect to the usage chamber, thereby determining a position changing time at which changing of a position of the second cartridge is required.Type: ApplicationFiled: June 10, 2021Publication date: November 24, 2022Applicant: KT&G CORPORATIONInventors: Min Kyu KIM, Won Kyeong Lee, Jong Sub Lee, Byung Sung Cho
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Publication number: 20220361583Abstract: An aerosol generating device may include a heater configured to heat an aerosol generating material, a battery configured to supply power to the heater, and a controller. In addition, the aerosol generating device may further include a user input detection sensor configured to receive a user's input and a pressure detection sensor configured to sense pressure. The controller may, in response to the user's input being sensed by using the user input detection sensor, obtain an initial pressure sensing value by using the pressure detection sensor. In addition, the controller may determine a reference pressure value based on the initial pressure sensing value and determine whether a puff of the aerosol generating device has occurred based on the reference pressure value.Type: ApplicationFiled: December 11, 2020Publication date: November 17, 2022Applicant: KT&G CORPORATIONInventors: Won Kyeong LEE, Min Kyu KIM, Jong Sub LEE, Byung Sung CHO