Patents by Inventor Yong Il Kwon

Yong Il Kwon 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: 12278502
    Abstract: A method of receiving power of a wireless power receiver, including a signal transmission phase of transmitting a signal including an FOD status packet to a wireless power transmitter; a power reception phase of receiving a first power from the wireless power transmitter when a NAK response indicating that a foreign object is present in the charging area of the wireless power transmitter is received from the wireless power transmitter, or receiving a second power from the wireless power transmitter when an ACK response indicating that the foreign object is not present in the charging area of the wireless power transmitter is received from the wireless power transmitter, in response to the FOD status packet; a phase of transmitting a reception power packet including information on reception power intensity to the wireless power transmitter; and a phase of receiving a signal including information on a result of determining whether the foreign object is present in the charging area from the wireless power transm
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: April 15, 2025
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yu Ri Park, Yong Il Kwon
  • Patent number: 12249850
    Abstract: A wireless power transmitter of transmitting power to a wireless power receiver, including a controller configured to determine whether a foreign object is present in a charging area of the wireless power transmitter; and a transmission part configured to transmit a wireless power according to whether the foreign object is present, wherein the controller receives a signal including an FOD status packet from the wireless power receiver, determines whether the foreign object is present in a charging area of the wireless power transmitter based on the FOD status packet; wherein the controller is set to operate in a first power transfer mode when it is determined that the foreign object is present in the charging area, or to operate in a second power transfer mode when it is determined that the foreign object is not present in the charging area; wherein the controller receives a reception power packet including information on the reception power intensity from the wireless power receiver, determines the reception
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: March 11, 2025
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yu Ri Park, Yong Il Kwon
  • Patent number: 12230979
    Abstract: A method of controlling a power transmitter, the method including entering a negation phase with a power receiver including receiving a foreign object detection status packet from the power receiver, detecting whether a foreign object is present based on the foreign object detection status packet, and transmitting a NACK response to the power receiver indicating the power transmitter has detected the foreign object is present or transmitting an ACK response to the power receiver indicating the power transmitter has detected the foreign object is not present; and entering a power transfer phase including transmitting a first power to the power receiver in response to the transmitted NACK response and again detecting whether the foreign object is present while transmitting the first power, and transmitting a second power greater than the first power in response to the transmitted ACK response.
    Type: Grant
    Filed: March 6, 2023
    Date of Patent: February 18, 2025
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yu Ri Park, Yong Il Kwon
  • Patent number: 12191681
    Abstract: A wireless power receiver of receiving power from a wireless power transmitter, including a receiving part configured to receive wireless power from the wireless power transmitter; and a main controller configured to generate a signal including an FOD status packet, wherein the main controller transmits a signal including the FOD status packet to the wireless power transmitter; wherein the main controller receives a first power from the wireless power transmitter when a NAK response indicating that a foreign object is present in a charging area of the wireless power transmitter is received from the wireless power transmitter, or receives a second power from the wireless power transmitter when an ACK response indicating that the foreign object is not present in the charging area of the wireless power transmitter is received from the wireless power transmitter, in response to the FOD status packet; and wherein the main controller receives a signal including information on a result of determining whether the for
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: January 7, 2025
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yu Ri Park, Yong Il Kwon
  • Patent number: 12184094
    Abstract: A wireless power receiver of receiving power from a wireless power transmitter, including a receiving part configured to receive a wireless power from the wireless power transmitter; and a main controller configured to generate a signal including an FOD status packet, wherein the main controller transmits a signal including the FOD status packet to the wireless power transmitter; wherein the main controller receives a first power from the wireless power transmitter when a NAK response indicating that a foreign object is present in a charging area of the wireless power transmitter is received from the wireless power transmitter, or receives a second power from the wireless power transmitter when an ACK response indicating that the foreign object is not present in the charging area of the wireless power transmitter is received from the wireless power transmitter, in response to the FOD status packet; wherein the main controller transmits a reception power packet including information on reception power intensit
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: December 31, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yu Ri Park, Yong Il Kwon
  • Patent number: 12184092
    Abstract: A wireless power transmitter for transmitting power to a wireless power receiver, including a controller configured to determine whether a foreign object is present; and a transmission part configured to transmit wireless power according to whether the foreign object is present, wherein the controller receives a foreign object detection status packet including at least one of a reference quality factor and a reference peak frequency from the wireless power receiver, and detects whether the foreign object is present based on the foreign object detection status packet, wherein the controller transmits a NAK response indicating that the foreign object is present or an ACK response indicating that the foreign object is not present to the wireless power receiver, and wherein the transmission part transmits a first power to the wireless power receiver according to the transmitted NAK response or transmits a second power greater than the first power to the wireless power receiver according to the transmitted ACK res
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: December 31, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yu Ri Park, Yong Il Kwon
  • Patent number: 12184093
    Abstract: A method of transmitting power of a wireless power transmitter, including a reception phase of receiving a signal including an FOD status packet from a wireless power receiver; a first determination phase of determining whether a foreign object is present in a charging area of the wireless power transmitter based on the FOD status packet; a power control phase of controlling power transmission in a first power transfer mode if it is determined in the first determination phase that the foreign object is present in the charging area, or controlling power transmission in a second power transfer mode if it is determined in the first determination phase that the foreign object is not present in the charging area; a phase of receiving a reception power packet including information on a reception power intensity from the wireless power receiver; a phase of determining the reception power intensity of the wireless power receiver based on information on the reception power intensity; a phase of measuring or calculatin
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: December 31, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yu Ri Park, Yong Il Kwon
  • Patent number: 12176731
    Abstract: A wireless power transmitter including a reception unit configured to receive a foreign object detection (FOD) status packet from a wireless power receiver; and a transmission unit configured to transmit a response indicating whether a foreign object is present in a charging area of the wireless power transmitter to the wireless power receiver, wherein the FOD status packet includes a mode bit field, wherein the mode bit field indicates whether the FOD status packet includes a reference peak frequency of the wireless power receiver, wherein the reference peak frequency is pre-allocated to the wireless power receiver, and wherein the response is determined using a measured peak frequency of a transmitted power signal and an adaptive threshold frequency based on the reference peak frequency included in the FOD status packet.
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: December 24, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jae Hee Park, Yong Il Kwon
  • Patent number: 12142947
    Abstract: A wireless power transmitter for transmitting power to a wireless power receiver, including a controller configured to determine whether a foreign object is present; and a transmission part configured to transmit wireless power according to whether the foreign object is present, wherein the controller receives a foreign object detection status packet including at least one of a reference quality factor and a reference peak frequency from the wireless power receiver, and detects whether the foreign object is present based on the foreign object detection status packet, wherein the controller transmits a NAK response indicating that the foreign object is present or an ACK response indicating that the foreign object is not present to the wireless power receiver, and wherein the transmission part transmits a first power to the wireless power receiver according to the transmitted NAK response or transmits a second power greater than the first power to the wireless power receiver according to the transmitted ACK res
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: November 12, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yu Ri Park, Yong Il Kwon
  • Patent number: 12142948
    Abstract: A method of transmitting power of a wireless power transmitter, including a reception phase of receiving a signal including an FOD status packet from a wireless power receiver; a first determination phase of determining whether a foreign object is present in a charging area of the wireless power transmitter based on the FOD status packet; a power control phase of controlling power transmission in a first power transfer mode if it is determined in the first determination phase that the foreign object is present in the charging area, or controlling power transmission in a second power transfer mode if it is determined in the first determination phase that the foreign object is not present in the charging area; a phase of receiving a reception power packet including information on a reception power intensity from the wireless power receiver; a phase of determining the reception power intensity of the wireless power receiver based on information on the reception power intensity; a phase of measuring or calculatin
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: November 12, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yu Ri Park, Yong Il Kwon
  • Patent number: 12142944
    Abstract: A method of controlling a power transmitter, the method including entering a negation phase with a power receiver including receiving a foreign object detection status packet from the power receiver, detecting whether a foreign object is present based on the foreign object detection status packet, and transmitting a NACK response to the power receiver indicating the power transmitter has detected the foreign object is present or transmitting an ACK response to the power receiver indicating the power transmitter has detected the foreign object is not present; and entering a power transfer phase including transmitting a first power to the power receiver in response to the transmitted NACK response and again detecting whether the foreign object is present while transmitting the first power, and transmitting a second power greater than the first power in response to the transmitted ACK response.
    Type: Grant
    Filed: March 6, 2023
    Date of Patent: November 12, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yu Ri Park, Yong Il Kwon
  • Patent number: 12126188
    Abstract: A wireless power transmitter for transmitting power to a wireless power receiver, including a controller configured to determine whether a foreign object is present in a charging area of the wireless power transmitter; and a transmission part configured to transmit wireless power according to whether the foreign object is present, wherein the controller receives a signal including an FOD status packet from the wireless power receiver, and determines whether the foreign object is present in the charging area of the wireless power transmitter based on the FOD status packet; wherein the controller is set to be operated in a first power transfer mode when determining that the foreign object is present in the charging area, or to be operated in a second power transfer mode when determining that the foreign object is not present in the charging area; and wherein the controller determines whether the foreign object is present in the charging area based on information other than information included in the FOD status
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: October 22, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yu Ri Park, Yong Il Kwon
  • Patent number: 12119671
    Abstract: A method of transmitting power of a wireless power transmitter, including a receiving phase of receiving a signal including an FOD status packet from a wireless power receiver; a first determination phase of determining whether a foreign object is present in a charging area of the wireless power transmitter based on the FOD status packet; a power control phase of controlling power transmission in a first power transfer mode upon determining that the foreign object is present in the charging area in the first determination phase, or controlling power transmission in a second power transfer mode upon determining that the foreign object is not present in the charging area in the first determination phase; and a second determination phase of determining whether the foreign object is present in the charging area based on information other than information included in the FOD status packet, while controlling power transmission in one of the first power transfer mode and the second power transfer mode by the power c
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: October 15, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yu Ri Park, Yong Il Kwon
  • Patent number: 12095288
    Abstract: A wireless power receiver for receiving power from a wireless power transmitter, including a receiving part configured to receive wireless power from the wireless power transmitter; and a main controller in which a foreign object detection status packet including at least one of a reference quality factor and a reference peak frequency is stored, wherein the main controller transmits the foreign object detection status packet to the wireless power transmitter; wherein the main controller receives a NAK response from the wireless power transmitter indicating that the foreign object is present, or receives an ACK response from the wireless power transmitter indicating that the foreign object is not present; and wherein the receiving part receives a first power from the wireless power transmitter according to the received NAK response, or receives a second power greater than the first power from the wireless power transmitter according to the received ACK response.
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: September 17, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yu Ri Park, Yong Il Kwon
  • Patent number: 12027886
    Abstract: A wireless power receiver for receiving power from a wireless power transmitter, including a receiving part configured to receive wireless power from the wireless power transmitter; and a main controller in which a foreign object detection status packet including at least one of a reference quality factor and a reference peak frequency is stored, wherein the main controller transmits the foreign object detection status packet to the wireless power transmitter; wherein the main controller receives a NAK response from the wireless power transmitter indicating that the foreign object is present, or receives an ACK response from the wireless power transmitter indicating that the foreign object is not present; and wherein the receiving part receives a first power from the wireless power transmitter according to the received NAK response, or receives a second power greater than the first power from the wireless power transmitter according to the received ACK response.
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: July 2, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yu Ri Park, Yong Il Kwon
  • Patent number: 12027887
    Abstract: A method of transmitting power of a wireless power transmitter, including a receiving phase of receiving a signal including an FOD status packet from a wireless power receiver; a first determination phase of determining whether a foreign object is present in a charging area of the wireless power transmitter based on the FOD status packet; a power control phase of controlling power transmission in a first power transfer mode upon determining that the foreign object is present in the charging area in the first determination phase, or controlling power transmission in a second power transfer mode upon determining that the foreign object is not present in the charging area in the first determination phase; and a second determination phase of determining whether the foreign object is present in the charging area based on information other than information included in the FOD status packet, while controlling power transmission in one of the first power transfer mode and the second power transfer mode by the power c
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: July 2, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yu Ri Park, Yong Il Kwon
  • Patent number: 12021395
    Abstract: A method of receiving power of a wireless power receiver, the method including a signal transmission phase of transmitting a signal including an FOD status packet to a wireless power transmitter; a power reception phase of receiving a first power from the wireless power transmitter when a NAK response indicating that a foreign object is present in a charging area of the wireless power transmitter is received from the wireless power transmitter, or receiving a second power from the wireless power transmitter when an ACK response indicating that the foreign object is not present in the charging area of the wireless power transmitter is received from the wireless power transmitter, in response to the FOD status packet, and a signal reception phase of receiving a signal including information on a result of determining whether the foreign object is present in the charging area from the wireless power transmitter based on information other than information included in the FOD status packet by the wireless power tra
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: June 25, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yu Ri Park, Yong Il Kwon
  • Patent number: 11936209
    Abstract: A method of controlling a wireless power transmitter to detect a foreign object can include in response to a wireless power receiver being placed in a charging area of the wireless power transmitter, determining a current peak frequency; collecting a communication error count related to communication between the wireless power transmitter and the wireless power receiver; determining a reference frequency for detecting the foreign object based on a reference peak frequency received from the wireless power receiver; and determining that the foreign object is present within the charging area based on the current peak frequency, the communication error count and the reference frequency.
    Type: Grant
    Filed: March 9, 2023
    Date of Patent: March 19, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yong Il Kwon, Jae Hee Park
  • Publication number: 20240030751
    Abstract: A wireless power transmitter that transmits power to a wireless power receiver, the wireless power transmitter including a communication unit configured to communicate with the wireless power receiver; and a controller, wherein the communication unit receives a plurality of packets including a foreign object detection (FOD) status packet from the wireless power receiver, wherein the controller determines whether a foreign object is present in a charging area of the wireless power transmitter on the basis of the FOD status packet, wherein the communication unit transmits, to the wireless power receiver, a response signal indicating whether the foreign object is present in the charging area of the wireless power transmitter on the basis of a result of the determination, wherein the response signal is determined using a measured peak frequency of a power signal transmitted by the wireless power transmitter and a reference peak frequency included in the FOD status packet received from the wireless power receiver,
    Type: Application
    Filed: July 20, 2023
    Publication date: January 25, 2024
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Jae Hee PARK, Yong Il KWON
  • Publication number: 20240030750
    Abstract: A wireless power transmitter including a reception unit configured to receive a foreign object detection (FOD) status packet from a wireless power receiver; and a transmission unit configured to transmit a response indicating whether a foreign object is present in a charging area of the wireless power transmitter to the wireless power receiver, wherein the FOD status packet includes a mode bit field, wherein the mode bit field indicates whether the FOD status packet includes a reference peak frequency of the wireless power receiver, wherein the reference peak frequency is pre-allocated to the wireless power receiver, and wherein the response is determined using a measured peak frequency of a transmitted power signal and an adaptive threshold frequency based on the reference peak frequency included in the FOD status packet.
    Type: Application
    Filed: July 20, 2023
    Publication date: January 25, 2024
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Jae Hee PARK, Yong Il KWON