Patents by Inventor Kyung-woo Lee

Kyung-woo Lee 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: 11128182
    Abstract: Disclosed is a control method for transmitting charging power to a wireless power receiver in a wireless power transmitter, including receiving an advertisement signal from a wireless power receiver, the advertisement signal including a handle value and a preset universally unique identifier (UUID), identifying a value assigned to a characteristic by adding a predetermined number to the handle value, transmitting a connection request signal to the wireless power receiver for establishing a communication connection with the wireless power receiver, in response to the advertisement signal, receiving, from the wireless power receiver, static information of the wireless power receiver over the communication connection, and transmitting, based on the static information, a control signal including permission information to the wireless power receiver.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: September 21, 2021
    Inventors: Kang-Ho Byun, Kyung-Woo Lee, Ho-Seong Lee, Hyuk-Choon Kwon, Soo-Yeon Jung, Hee-Won Jung
  • Patent number: 11121735
    Abstract: The present invention relates to a protective case for foldable mobile device which has a first portion, a second portion, and a joining portion wherein the joining portion connects the first portion and the second portion, comprising: a first case for protecting the first portion of the foldable mobile device installed therein; a connecting portion for covering the joining portion and fixedly attached to the first case; and a second case for protecting the second portion of the foldable mobile device installed therein wherein the second case includes a second outer frame. The second outer frame comprises a recess to receive the connecting portion wherein the connecting portion slidably moves in the recess, and the second case further comprises a recess cover for covering the recess.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: September 14, 2021
    Assignee: SPIGEN KOREA CO., LTD.
    Inventors: Dae-Young Kim, Jae Hong Cho, Sun Woo Yun, Jong Hwa Lee, Kyung Joon Lee, Gang Il Park
  • Patent number: 11120975
    Abstract: An ion-beam etching apparatus includes: a plasma chamber configured to generate plasma from process gas in the plasma chamber; at least one plasma valve coupled to the plasma chamber; an ion-beam source in communication with the plasma chamber, wherein the ion-beam source is configured to extract ions from the plasma and generate ion-beams when a bias is applied to the ion-beam source; an etching chamber in communication with the ion-beam source, and configured to accommodate an object to be etched; at least one etching valve coupled to the etching chamber; and at least one exhausting pump connected to either one or both of the plasma chamber and the etching chamber by the plasma valve and the etching valve, respectively, wherein the at least one exhausting pump is configured to receive and exhaust radicals in either one or both of the plasma chamber and the etching chamber by the plasma valve and the etching valve, respectively.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: September 14, 2021
    Assignee: Research and Business Foundation Sungkyunkwan University
    Inventors: Geun Young Yeom, Jin Woo Park, Doo San Kim, Jong Sik Oh, Da In Sung, You Jin Ji, Won Oh Lee, Mu Kyeom Mun, Kyung Chae Yang, Ki Seok Kim, Ji Soo Oh, Ki Hyun Kim
  • Publication number: 20210281045
    Abstract: Disclosed is a terahertz wave generating apparatus. The terahertz wave generating apparatus includes a dual mode laser including a first single mode laser that generates a first beating signal, a gain adjustment region that modulates the first beating signal, and a second single mode laser that generates a second beating signal, and a photomixer that mixes the modulated first beating signal and the second beating signal, and that modulates a current supplied based on a beating frequency of the mixed beating signals to generate a terahertz wave signal, and the gain adjustment region is formed between the first single mode laser and the second single mode laser, and the first beating signal is output from the first single mode laser to the gain adjustment region and is modulated based on a reverse bias voltage supplied to the gain adjustment region.
    Type: Application
    Filed: February 24, 2021
    Publication date: September 9, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyun Soo Kim, Kyung Hyun PARK, Eui Su LEE, IL MIN LEE, Kiwon MOON, Dong Woo PARK, Jun-Hwan SHIN
  • Publication number: 20210273496
    Abstract: A wireless power receiver is for receiving power from a wireless power transmitter, the wireless power receiver may include at least one of: resonant circuitry; communication circuitry; and a controller configured to at least one of: enable a charging function to receive, through the resonant circuitry from the wireless power transmitter, first power for charging the wireless power receive, transmit, through the communication circuitry, a first signal indicating complete charge to the wireless power receiver while receiving the first power, receive, through the communication circuitry, a first charging function control signal that disables a charging function from the wireless power transmitter, based on the receiving of the first charging function control signal, disable the charging function, after disabling the charging function, identify that charging is required, transmit, through the communication circuitry, a second signal including information which is, by the wireless power receiver, set based on ide
    Type: Application
    Filed: May 17, 2021
    Publication date: September 2, 2021
    Inventors: Kyung-Woo LEE, Hee-Won JUNG, Sang-Wook KWON, Kang-Ho BYUN
  • Patent number: 11108284
    Abstract: A wireless power transmitting device is provided. The wireless power transmitting device may comprise an antenna, a memory, and a processor configured to control to store, as reference information, information of a first reflected signal of a pilot signal sent out through the antenna at a first time in the memory and control to compare the reference information with information about second reflected signals of a pilot signal sent out through the antenna at a second time, and determine a position of a target for detection based on a result of the comparison.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: August 31, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chong-Min Lee, Kyung-Woo Lee, Sung-Bum Park, Jae-Hyun Park, Jae-Hyuck Shin, Young-Ho Ryu, Sang-Wook Lee
  • Patent number: 11107467
    Abstract: An electronic device includes an audio input module, a memory storing a speech recognition application, a first application, and a second application, a communication circuit communicating with a first NLU server associated with the first application and a second NLU server associated with the second application, and a processor electrically connected to the audio input module, the memory, and the communication circuit and executing the speech recognition application.
    Type: Grant
    Filed: July 4, 2017
    Date of Patent: August 31, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong Kyu Lee, Ja Min Goo, Hyung Woo Kim, Seung Hyuk Yu, Jin Hong Jeong, Ji Hyun Park, Kyung Hee Lee, Ju Yeong Lee
  • Patent number: 11108279
    Abstract: A method and an apparatus are provided for determining a cross connection during wireless charging. The method includes transmitting a first power to a plurality of wireless power receivers, based on first voltage setting information of a first wireless power receiver from among the plurality of wireless power receivers; determining to identify whether the wireless power transmitter is cross-connected with a second wireless power receiver from among the plurality of wireless power receivers; receiving second voltage setting information from the second wireless power receiver, while transmitting the first power to the plurality of wireless power receivers; transmitting a second power the plurality of wireless power receivers based on the second voltage setting information of the second wireless power receiver; and receiving measured voltage information from the second wireless power receiver, while transmitting the second power to the plurality of wireless power receivers.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: August 31, 2021
    Inventors: Kyung-Woo Lee, Hee-Won Jung
  • Publication number: 20210265881
    Abstract: A rotor of a motor includes: a first slot and a second slot arranged in a ā€œVā€ shape to each other and a third slot and a fourth slot arranged in a ā€œVā€ shape to each other; a first permanent magnet and a second permanent magnet disposed in the first slot and the second slot, respectively; and a 1-1 barrier and a 1-2 barrier expandedly disposed on an outer side and an inner side of the first slot, respectively, a 3-1 barrier expandedly disposed on an outer side of the third slot, a 3-2 barrier expandedly disposed on an outer side of the fourth slot, and one 3-3 barrier arranged between an inner side of the third slot and an inner side of the fourth slot.
    Type: Application
    Filed: July 13, 2020
    Publication date: August 26, 2021
    Inventors: Kyung Soo Park, Jung Woo Lee
  • Publication number: 20210265869
    Abstract: Provided is a portable communication device which transmits manufacturer information and capability information to a wireless power transmitter, the manufacturer information being indicative of a manufacturer of the portable communication device and the capability information being indicative of a charging function of the portable communication device, receives a response from the wireless power transmitter including one or more characteristics with respect to the charging function allowed for the portable communication device, the one or more characteristics being determined by the wireless power transmitter based at least in part on the manufacturer information and the capability information received from the portable communication device, transmits a request for updating at least one of the one or more characteristics with respect to the charging function, and performs the charging function to charge the battery using power received from the wireless power transmitter and determined based on the at least o
    Type: Application
    Filed: May 10, 2021
    Publication date: August 26, 2021
    Inventors: Min-Ho KANG, Saeng-Hee LEE, Han-Seok PARK, Se-Ho PARK, Kyung-Woo LEE
  • Patent number: 11043856
    Abstract: A method for controlling an electronic device including a charging circuit is provided. The method includes receiving power wirelessly from a power transmitting device; rectifying the received power; based on a voltage of the rectified power being greater than or equal to an allowable voltage of the charging circuit, controlling to convert the rectified power through a converting circuit of the electronic device and to output the converted power to the charging circuit for charging a battery of the electronic device, wherein the allowable voltage relates to a maximum voltage or a preferable voltage to be applied to the charging circuit; and based on the voltage of the rectified power being less than the allowable voltage of the charging circuit, controlling to stop converting the rectified power and to output the rectified power to the charging circuit by connecting the rectifying circuit to the charging circuit.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: June 22, 2021
    Assignee: Samsung Electronics Co. Ltd.
    Inventors: Yu-Su Kim, Se-Ho Park, Sung-Ku Yeo, Kang-Ho Byun, Kyung-Woo Lee
  • Publication number: 20210184506
    Abstract: A method of transmitting a signal by a wireless power transmitter in a wireless charging system, wireless power transmitter, and a wireless power receiver are provided.
    Type: Application
    Filed: February 24, 2021
    Publication date: June 17, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyung-Woo LEE, Keum-Su Song, Hee-Won Jung
  • Patent number: 11015802
    Abstract: A burner using a high-temperature combustion catalyst is disclosed.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: May 25, 2021
    Assignee: SungGwang E&Tech Co., Ltd.
    Inventors: Kyung Woo Lee, You Shick Jung
  • Patent number: 11011946
    Abstract: A method for controlling a wireless power transmitter for charging a wireless power receiver may comprise the operations of: transmitting power for charging; receiving a first PRU dynamic signal indicating completion of charging, from the wireless power receiver, applying a beacon for detecting the wireless power receiver on the basis of a load change to a resonance circuit of the wireless power transmitter; receiving, from the wireless power receiver, a first advertisement signal including information indicating that charging is not requested; and ignoring the advertisement signal and maintaining application of the beacon.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: May 18, 2021
    Inventors: Kyung-Woo Lee, Hee-Won Jung, Sang-Wook Kwon, Kang-Ho Byun
  • Patent number: 11005294
    Abstract: Provided is a wireless power receiver for wirelessly receiving power from a wireless power transmitter, including a resonator that wirelessly receives power from the wireless power transmitter, a communication module that performs communication with the wireless power transmitter, and a controller that transmits manufacturer information on the wireless power receiver to the wireless power transmitter through the communication module, receives an authority over whether to allow each of at least one function of the wireless power receiver through the communication module, and performs a function allowed for the wireless power receiver based on the authority.
    Type: Grant
    Filed: April 4, 2017
    Date of Patent: May 11, 2021
    Inventors: Min-Ho Kang, Saeng-Hee Lee, Han-Seok Park, Se-Ho Park, Kyung-Woo Lee
  • Patent number: 10998936
    Abstract: Disclosed is a control method of a wireless power transmitter, including transmitting power to a plurality of wireless power receivers based on a first power value required by a first wireless power receiver from among the plurality of wireless power receivers, and before reaching a threshold condition in which a system error occurs in the wireless power transmitter, transmitting a power adjust command to reduce the power to a lower percentage of a maximum received power level, to at least one wireless power receiver from among the plurality of wireless power receivers, wherein the power adjust command is a control command for reducing power consumption of the at least one wireless power receiver from among the plurality of wireless power receivers, and wherein the system error comprises at least one of an over-temperature error, an over-current error, and an over-voltage error.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: May 4, 2021
    Inventors: Kyung-Woo Lee, Hee-Won Jung, Keum-Su Song
  • Patent number: 10958080
    Abstract: A method and apparatus are provided for operating a wireless power transmitter. The method includes controlling the wireless power transmitter to wirelessly transmit power for charging a first power receiver, and while transmitting the power, receiving a search signal from a second power receiver, transmitting a search response signal corresponding to the search signal, and receiving, from the second power receiver, a request join signal including at least one piece of information associated with a power requirement of the second power receiver. Based on identifying that the wireless power transmitter is capable of providing the power having an amount greater than the power requirement of the second power receiver, the method further includes transmitting a charge start command to the second power receiver.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: March 23, 2021
    Assignee: SAMSUNG ELECTRONICS CO.. LTD.
    Inventors: Kyung-Woo Lee, Kang-Ho Byun, Se-Ho Park
  • Patent number: 10944294
    Abstract: A method of transmitting a signal by a wireless power transmitter in a wireless charging system, wireless power transmitter, and a wireless power receiver are provided.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: March 9, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyung-Woo Lee, Keum-Su Song, Hee-Won Jung
  • Patent number: 10931144
    Abstract: A method and apparatus are provided for determining, by a wireless power transmitter, whether a wireless power receiver is removed from a wireless power network managed by the wireless power transmitter. The method includes transmitting a command signal to report power information of the wireless power receiver at stated periods; determining whether a report signal corresponding to the command signal is received from the wireless power receiver; and determining that the wireless power receiver is removed from the wireless power network, if the report signal is not received after transmitting the command signal a predetermined number of times at the stated periods.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: February 23, 2021
    Inventors: Kyung-Woo Lee, Kang-Ho Byun, Se-Ho Park
  • Patent number: 10923961
    Abstract: A control method of a wireless power receiver is provided.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: February 16, 2021
    Inventors: Kyung-Woo Lee, Hyuk-Choon Kwon, Kang-Ho Byun, Hee-Won Jung