Patents by Inventor Jingu CHOI

Jingu CHOI 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: 11941602
    Abstract: According to an aspect of the present invention, a wireless power reception device includes: a power pick-up circuit which is configured to form magnetic coupling with a wireless power transmission device and receive wireless power from the wireless power transmission device; and a communication/control circuit which is configured to perform at least one among control of the transmission of the wireless power and data transmission and reception on the basis of communication with the wireless power transmission device, wherein the communication/control circuit can receive a check message for checking payment information from the wireless power transmission device and perform a payment procedure for wireless power transmission, and can provide a user interface related to information for the payment procedure.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: March 26, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Jinkwon Lim, Minsoo Lee, Jingu Choi, Joonho Park, Jaehyu Kim, Yongcheol Park
  • Patent number: 11916615
    Abstract: The present specification relates to a device and method for wirelessly transmitting power on the basis of the reestablishment of out-band communication. The present specification discloses a wireless power receiving device comprising a communication/control circuit configured to carry out the operations of: performing handover from in-band communication using operating frequencies to out-band communication using any frequencies except for the operating frequencies; transmitting power characteristic information to the wireless power transmitting device or receiving power characteristic information from the wireless power transmitting device through the out-band communication before entering a power transmission phase; and saving power state information determined during the power transmission phase.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: February 27, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Jinkwon Lim, Jingu Choi, Joonho Park, Yongcheol Park
  • Publication number: 20240049116
    Abstract: Provided are a method for transmitting and receiving data and a device for same in a short-range wireless communication system. More specifically, the method comprises the steps of: receiving, from a first slave device, a first advertising message for providing a service related to transmitting and receiving the data; forming a shared link, which is for transmitting and receiving the data and is formed on the basis of the first advertising message, on the basis of link parameters for the configuration of the shared link, the shared link including (i) a first link for data transmission from a master device to a slave device, and (ii) a second link for data transmission from the slave device to the master device; and receiving, from a second slave device, a second advertising message for providing the service.
    Type: Application
    Filed: December 13, 2021
    Publication date: February 8, 2024
    Applicant: LG ELECTRONICS INC.
    Inventors: Jingu CHOI, Hangyu CHO, Hyeonjae LEE, Minsoo LEE
  • Publication number: 20240030753
    Abstract: The present disclosure relates to a device and a method for performing wireless power transmission on the basis of authentication. A wireless power receiver according to the present specification comprises a communication/control circuit for performing an authentication procedure on the basis of out-band communication, wherein the out-band communication is Bluetooth low energy (BLE) communication, and the communication/control circuit performs the authentication procedure on the basis of a logical link control and adaptation protocol (L2CAP) or a generic attribute profile (GATT) of the BLE communication. The present disclosure defines an authentication procedure or authentication messages of a wireless transmission device or a wireless reception device by using an out-band communication protocol, and thus can support various applications of wireless power.
    Type: Application
    Filed: October 16, 2019
    Publication date: January 25, 2024
    Applicant: LG ELECTRONICS INC.
    Inventors: Jaehyu KIM, Jingu CHOI, Minsoo LEE, Jinkwon LIM
  • Patent number: 11870271
    Abstract: The present specification relates to a wireless power transmission apparatus and a wireless power reception apparatus, which can transmit and update firmware of the wireless power transmission apparatus through out-band communication between the wireless power transmission apparatus and the wireless power reception apparatus, and to firmware updating of the wireless power transmission apparatus using out-band communication.
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: January 9, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Jaehyu Kim, Jingu Choi, Minsoo Lee, Jinkwon Lim
  • Publication number: 20230422323
    Abstract: Provided are a method for transmitting isochonous data in a short-distance wireless communication system, and an apparatus therefor. More specifically, the method for transmitting, by a slave device, isochronous data in a short-distance wireless communication system includes: establishing a connection with a master device to transmit the isochronous data to the master device; and transmitting, to the master device, the isochronous data through a channel for transmission of the isochronous data, based on the established connection, and the transmission of the isochronous data through the channel is performed based on a periodically allocated transmission interval, and the isochronous data is data generated based on a user input.
    Type: Application
    Filed: November 16, 2021
    Publication date: December 28, 2023
    Inventors: Hyeonjae Lee, Minsoo Lee, Jingu Choi
  • Patent number: 11829747
    Abstract: The present specification relates to wireless power transmission and particularly to a wireless power reception device, wireless power transmission device, method, and system, which can receive and update firmware of a wireless power reception device and/or wireless charging transmission device by using wireless communication. According to the present specification, the firmware of the wireless power reception device and firmware of the wireless power transmission device can be maintained in an up-to-date state.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: November 28, 2023
    Assignee: LG Electronics Inc.
    Inventors: Joonho Park, Jinkwon Lim, Jingu Choi
  • Publication number: 20230354444
    Abstract: In a wireless communication system supporting Bluetooth communication, an in-flight entertainment (IFE) device may receive, from a first device, a signal including connectivity information of a second device. The IFE device may perform connection to the second device on the basis of the connectivity information.
    Type: Application
    Filed: July 20, 2020
    Publication date: November 2, 2023
    Applicant: LG ELECTRONICS INC.
    Inventors: Jeonghwan KIM, Hangyu CHO, Hongwon LEE, Jingu CHOI
  • Publication number: 20230352986
    Abstract: A wireless power reception device according to an embodiment disclosed in the present specification: receives wireless power from a wireless power transmission device; communicates with the wireless power transmission device by using at least one of in-band communication using a power signal of the wireless power or out-band communication using Bluetooth communication; and applies at least one of security modes defined in a generic access profile (GAP) of the Bluetooth communication to at least a portion of data packets to be transmitted using the out-band communication among data packets that are transmittable using the in-band communication, and transmits the at least portion of data packets.
    Type: Application
    Filed: September 2, 2021
    Publication date: November 2, 2023
    Inventors: Jinho YOUN, Jingu CHOI, Minsoo LEE, Gyunghwan YOOK, Yongcheol PARK
  • Publication number: 20230344280
    Abstract: A wireless power transmitter according to an embodiment of the present specification comprises: a power converter comprising a primary coil magnetically coupled to a secondary coil of a wireless power receiver to transmit wireless power; and a controller for communicating with the wireless power receiver and controlling the wireless power transmission, wherein the controller receives first information relating to the secondary coil from the wireless power receiver, receives second information relating to the position information of the wireless power receiver from the wireless power receiver, and distinguishes a state in which a foreign material is present between the wireless power receiver and the wireless power transmitter, and a misalignment state of the primary coil and secondary coil, on the basis of the first information and second information.
    Type: Application
    Filed: July 15, 2021
    Publication date: October 26, 2023
    Applicant: LG ELECTRONICS INC.
    Inventors: Jingu CHOI, Gyunghwan YOOK, Yongcheol PARK, Minsoo LEE, Jinho YOUN
  • Patent number: 11791670
    Abstract: The present specification relates to a device and method for supporting heterogeneous communication in a wireless power transfer system. The present specification discloses a wireless power reception device comprising: a power pickup circuit configured to receive, from a wireless power transfer device, wireless power generated on the basis of magnetic coupling in a power transfer phase; and a communication and control circuit configured to transmit, to the wireless power transfer device, a first random address packet including a random address of the wireless power reception device or receive, from the wireless power transfer device, a second random address packet including a random address of the wireless power transfer device via in-band communication. By performing a handover using a random address, cross reference can be prevented and security can be enhanced, and thus a BLE connection in a wireless charging system can be more safely performed.
    Type: Grant
    Filed: November 14, 2022
    Date of Patent: October 17, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Joonho Park, Jinkwon Lim, Jingu Choi, Yongcheol Park
  • Publication number: 20230319562
    Abstract: A wireless power transmission apparatus for transmitting wireless power to a wireless power reception apparatus, according to an embodiment of the present specification: transmits wireless power to the wireless power reception apparatus by means of magnetic coupling to the wireless power reception apparatus at an operating frequency; communicates with the wireless power reception apparatus by using at least one of in-band communication using the operating frequency and out-band communication using Bluetooth communication; performs an authentication step with the wireless power reception apparatus to increase the level of the wireless power being transmitted to the wireless power reception apparatus; and includes, in a Bluetooth packet, an authentication message required in the authentication step, and transmits the included authentication message to the wireless power reception apparatus via the Bluetooth communication.
    Type: Application
    Filed: September 8, 2020
    Publication date: October 5, 2023
    Inventors: Minsoo LEE, Jingu CHOI, Gyunghwan YOOK, Seunghyun YOO, Yongcheol PARK
  • Publication number: 20230299615
    Abstract: A wireless power receiving device according to one embodiment of the present specification comprises: a power pickup circuit for receiving wireless power from a wireless power transmitting device; and a communication/control circuit for communicating with the wireless power transmitting device by using in-band communication using a power signal of the wireless power and/or out-band communication, which is wireless communication that differs from the in-band communication, and for controlling the reception of the wireless power, wherein the communication/control circuit terminates the connection of the out-band communication on the basis of the removal of the power signal from the wireless power transmitting device in a state in which the connection of the wireless power transmitting device and the out-band communication is established.
    Type: Application
    Filed: July 30, 2021
    Publication date: September 21, 2023
    Inventors: Jinho YOUN, Jingu CHOI, Gyunghwan YOOK, Yongcheol PARK
  • Publication number: 20230292379
    Abstract: In a wireless communication system supporting Bluetooth communication, an in-flight entertainment (IFE) device may perform scanning for a first Bluethooth low energy (BLE) device and a first Bluetooth basic rate/enhanced data rate (BR/EDR) device. The scanning for the first BLE device and the first Bluetooth BR/EDR device may be performed in a time division (TD) manner performed in different time intervals. The scanning for the first BLE device may include a step of receiving a first advertising signal of the first BLE device. The scanning for the first Bluetooth BR/EDR device may include a step of transmitting a scan signal and receiving a first scan response signal from the first Bluetooth BR/EDR device, by the IFE device.
    Type: Application
    Filed: July 20, 2020
    Publication date: September 14, 2023
    Applicant: LG ELECTRONICS INC.
    Inventors: Jeonghwan KIM, Hongwon LEE, Jingu CHOI
  • Publication number: 20230261528
    Abstract: A wireless power reception apparatus according to an embodiment of the present specification transmits wireless charging packets, which can be transmitted using in-band communication, using a Bluetooth packet used in Bluetooth communication, through the Bluetooth communication, wherein, in connection with first wireless charging packets among the wireless charging packets, multiple first wireless charging packets are included in one Bluetooth packet and then transmitted through the Bluetooth communication, and in connection with second wireless charging packets among the wireless charging packets, a single second wireless charging packet is included in one Bluetooth packet and then transmitted through the Bluetooth communication.
    Type: Application
    Filed: July 2, 2021
    Publication date: August 17, 2023
    Applicant: LG ELECTRONICS INC.
    Inventors: Yongcheol PARK, Minsoo LEE, Jingu CHOI, Gyunghwan YOOK, Jinho YOUN
  • Publication number: 20230261523
    Abstract: A wireless power receiver, according to one embodiment of the present specification, communicates with a wireless power transmitter by using at least one of in-band communication and out-band communication, transmits, to the wireless power transmitter, on the basis that the wireless power transmitter indicates supporting the out-band communication, a first address packet comprising information related to a connection address of the wireless power receiver, for connection of the out-band communication, and receives, from the wireless power transmitter, a second address packet comprising information related to a connection address of the wireless power transmitter, for connection of the out-band communication.
    Type: Application
    Filed: July 13, 2021
    Publication date: August 17, 2023
    Inventors: Jinho Youn, Minsoo Lee, Gyunghwan Yook, Jingu Choi, Yongcheol Park
  • Publication number: 20230208205
    Abstract: A wireless power reception apparatus according to an embodiment of the present specification comprises: a power pickup circuit for receiving wireless power from a wireless power transmission apparatus via magnetic coupling with the wireless power transmission apparatus at an operating frequency; and a communication/control circuit for controlling reception of the wireless power while communicating with the wireless power transmission apparatus by using at least one of in-band communication using the operating frequency and out-band communication using a frequency other than the operating frequency, wherein the communication/control circuit transmits a request message to the wireless power transmission apparatus during an out-band channel establishment process for the out-band communication, and transmits an error message to the wireless power transmission apparatus, on the basis of a response message regarding the request message being not received from the wireless power transmission apparatus with a certain
    Type: Application
    Filed: March 8, 2021
    Publication date: June 29, 2023
    Applicant: LG ELECTRONICS INC.
    Inventors: Jinkwon LIM, Jingu CHOI, Minsoo LEE
  • Publication number: 20230208194
    Abstract: A wireless power transmission method by a wireless power transmission apparatus, according to an embodiment of the present specification, comprises: a ping step for transmitting a digital ping and receiving a response to the digital ping from a wireless power reception apparatus; a configuration step for receiving, from the wireless power reception apparatus, a configuration packet including information about elements of an initial power transmission contract; a contract step for receiving, from the wireless power reception apparatus, information about an element of an expanded power transmission contract for updating the initial power transmission contract to the expanded power transmission contract; and a power transmission step for transmitting wireless power to the wireless power reception apparatus, on the basis of the expanded power transmission contract, and receiving, from the wireless power reception apparatus, first control information for control of the wireless power, wherein the response to the d
    Type: Application
    Filed: May 24, 2021
    Publication date: June 29, 2023
    Inventors: Minsoo Lee, Jingu Choi, Gyunghwan Yook, Yongcheol Park
  • Publication number: 20230208206
    Abstract: A wireless power reception device according to an embodiment of the present specification comprises a controller for: receiving wireless power from a wireless power transmission device, and performing power pickup for receiving the wireless power from the wireless power transmission device by magnetic coupling with the wireless power transmission device at an operating frequency; and communicating with the wireless power transmission device by using at least one of in-band communication using the operating frequency and out-band communication using a frequency other than the operating frequency, and controlling reception of the wireless power, wherein, in the power transmission step of receiving the wireless power, the controller transmits or receives, using the in-band communication, a message for controlling the wireless power, and transmits or receives, using the out-band communication, an authentication message for authentication of the wireless power transmission device.
    Type: Application
    Filed: April 20, 2021
    Publication date: June 29, 2023
    Inventors: Yongcheol PARK, Minsoo LEE, Gyunghwan YOOK, Jingu CHOI
  • Publication number: 20230198318
    Abstract: A wireless power reception device according to an embodiment of the present specification relates to a wireless power reception device for receiving wireless power from a wireless power transmission device, wherein the wireless power reception device can receive additional power from an additional power source in addition to the wireless power, and enters a suspend state for receiving the wireless power transmitted according to a power transfer contract for a predetermined time on the basis of a variation in the additional power while receiving the wireless power from the wireless power transmission device according to the power transfer contract established by the wireless power transmission device.
    Type: Application
    Filed: December 30, 2020
    Publication date: June 22, 2023
    Applicant: LG ELECTRONICS INC.
    Inventors: Jingu CHOI, Jaehyu KIM, Minsoo LEE, Jinkwon LIM, Yongcheol PARK