Patents by Inventor Jaecheon Sa

Jaecheon Sa 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: 11618492
    Abstract: A handle assembly for a cart with a power assist function can sense the direction that a user's force is applied, and provide assist power in the corresponding direction, such that the user can easily move the cart. A cart including the handle assembly allows the user to conveniently move the cart.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: April 4, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Jaecheon Sa, Sunryang Kim, Keunsik No
  • Patent number: 11584416
    Abstract: A handle assembly for a cart with a power assist function can sense the direction that a user's force is applied, and provide assist power in the corresponding direction, such that the user can easily move the cart. A cart including the handle assembly allows the user to conveniently move the cart.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: February 21, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Jaecheon Sa, Sunryang Kim, Keunsik No
  • Patent number: 11584417
    Abstract: A handle assembly for a cart with a power assist function can sense the direction that a user's force is applied, and provide assist power in the corresponding direction, such that the user can easily move the cart. A cart including the handle assembly allows the user to conveniently move the cart.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: February 21, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Jaecheon Sa, Sunryang Kim, Keunsik No, Kangsoo Shin
  • Patent number: 11585934
    Abstract: A cart robot performing an auto-follow function of following a user, the cart robot, including a storage space storing goods; a main body coupled to a lower portion of the storage space and supporting the storage space; a handle assembly connected to a rear side of the main body; a wheel assembly rotatably coupled to a lower portion of the main body and moving the main body in a direction of force applied to the handle assembly; and a plurality of sensor assemblies provided at front side of the main body for sensing an obstacle in a forward direction and sensing and tracking a location of a transmission module.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: February 21, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Anna Kim, Sunryang Kim, Joohan Kim, Jaecheon Sa, Kangsoo Shin
  • Patent number: 11535290
    Abstract: Provided are a handle assembly for a cart having a power assist function, and a cart in which the power assist function enables a user to easily move the cart by detecting a direction, in which a force of the user is applied, to assist power in the relevant direction. According to the handle assembly and the cart, the user can easily move the cart by detecting the direction, in which the force of the user is applied, to provide auxiliary power (a power assist function) in the relevant direction, thereby improving convenience of the user.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: December 27, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Jaecheon Sa, Sunryang Kim, Keunsik No
  • Patent number: 11518263
    Abstract: A power supply device that supplies power to multiple carts, a cart, and a method for charging such cart are provided. According to an embodiment of the present disclosure, the power supply device that supplies the power to the multiple carts calculates charging allocation of carts based on priorities of the carts to control charging of the carts.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: December 6, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Sunryang Kim, Keunsik No, Jaecheon Sa
  • Patent number: 11511785
    Abstract: A basket assembly for receiving goods therein; a main body coupled to a bottom of the basket assembly to support the basket assembly; a handle assembly installed on one side of the main body; a wheel assembly rotatably coupled to a bottom of the main body to move the main body in a direction in which a force is applied to the handle assembly; and a battery installed inside the main body for supplying electrical energy to the wheel assembly.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: November 29, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Anna Kim, Sunryang Kim, Yoonsik Kim, Keunsik No, Jaecheon Sa, Woojin Jeong
  • Patent number: 11513621
    Abstract: A display apparatus includes: a display panel, a guide panel coupled to a rear surface of the display panel, a main frame coupled to the guide panel, and a force sensor module disposed between the guide panel and the main frame. The force sensor module includes: a sensor bar including one or more sensor rods, the one or more sensor rods extending from a central portion of the main frame toward a peripheral portion of the main frame, and a strain gauge provided at each of the one or more sensor rods.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: November 29, 2022
    Assignee: LG Electronics Inc.
    Inventors: Jaecheon Sa, Dongkill Yu, Yongseop Park
  • Patent number: 11465663
    Abstract: Provided is a cart robot having a charge function, which includes: a main body having a container in which goods are contained, a handle assembly installed on one side of the container, a battery module, and a battery management system (BMS) module for managing charge and discharge of the battery module; wheel assemblies rotatably coupled to a lower portion of the main body, and configured to move the main body in a direction of a force applied to the handle assembly; and an external charge module (CM) having a front connector provided on a lower front side of the main body and a rear connector provided on a lower rear side of the main body, electrically connected to an external power supply through the front or rear connector and configured to charge the battery module.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: October 11, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Jaecheon Sa, Sunryang Kim, Joohan Kim, Keunsik No
  • Patent number: 11312009
    Abstract: An action robot includes a connector configured to connect a body to a movable part, a joint including a rotational body fastened to the movable part, a joint shaft provided to protrude from the rotational body, and a joint shaft supporting part provided in the connector to have a ring shape, the joint shaft being inserted into the joint shaft, a wire connected to the movable part to pull the movable part in a direction in which the joint is bent, a wire path provided in the connector, the wire path including an inlet which is disposed in the body and through which the wire passes, and a supporter disposed in the body to support the wire. An upper end of the supporter overlaps the inlet in a horizontal direction.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: April 26, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Jaecheon Sa, Namjin Kim, Sanghun Kim, Youngeun Kim, Jideok Kim
  • Publication number: 20210403065
    Abstract: Provided is a cart robot having a charge function, which includes: a main body having a container in which goods are contained, a handle assembly installed on one side of the container, a battery module, and a battery management system (BMS) module for managing charge and discharge of the battery module; wheel assemblies rotatably coupled to a lower portion of the main body, and configured to move the main body in a direction of a force applied to the handle assembly; and an external charge module (CM) having a front connector provided on a lower front side of the main body and a rear connector provided on a lower rear side of the main body, electrically connected to an external power supply through the front or rear connector and configured to charge the battery module.
    Type: Application
    Filed: May 20, 2019
    Publication date: December 30, 2021
    Applicant: LG ELECTRONICS INC.
    Inventors: Jaecheon SA, Sunryang KIM, Joohan KIM, Keunsik NO
  • Publication number: 20210229723
    Abstract: Disclosed herein are a cart handle assembly with power assist function, which enables a user to easily move a cart by detecting a direction, in which a user's force is applied, to assist power in that direction, and a cart having the same. According to the disclosure, it is possible to improve user's convenience since a user can easily move a cart by detecting a direction, in which a user's force is applied, to provide an assist force (power assist function) in that direction.
    Type: Application
    Filed: April 8, 2019
    Publication date: July 29, 2021
    Applicant: LG ELECTRONICS INC.
    Inventors: Jaecheon SA, Sunryang KIM, Joohan KIM, Keunsik NO
  • Publication number: 20210229725
    Abstract: Provided are a handle assembly for a cart having a power assist function, and a cart in which the power assist function enables a user to easily move the cart by detecting a direction, in which a force of the user is applied, to assist power in the relevant direction. According to the handle assembly and the cart, the user can easily move the cart by detecting the direction, in which the force of the user is applied, to provide auxiliary power (a power assist function) in the relevant direction, thereby improving convenience of the user.
    Type: Application
    Filed: April 8, 2019
    Publication date: July 29, 2021
    Applicant: LG ELECTRONICS INC.
    Inventors: Jaecheon SA, Sunryang KIM, Keunsik NO
  • Publication number: 20210229724
    Abstract: A handle assembly for a cart with a power assist function can sense the direction that a user's force is applied, and provide assist power in the corresponding direction, such that the user can easily move the cart. A cart including the handle assembly allows the user to conveniently move the cart.
    Type: Application
    Filed: May 7, 2019
    Publication date: July 29, 2021
    Applicant: LG ELECTRONICS INC.
    Inventors: Jaecheon SA, Sunryang KIM, Keunsik NO, Kangsoo SHIN
  • Publication number: 20210229722
    Abstract: A handle assembly for a cart with a power assist function can sense the direction that a user's force is applied, and provide assist power in the corresponding direction, such that the user can easily move the cart. A cart including the handle assembly allows the user to conveniently move the cart.
    Type: Application
    Filed: March 29, 2019
    Publication date: July 29, 2021
    Applicant: LG ELECTRONICS INC.
    Inventors: Jaecheon SA, Sunryang KIM, Keunsik NO
  • Publication number: 20210216154
    Abstract: Provided is a display apparatus, and the display apparatus includes a display panel; a guide panel coupled to a rear surface of the display panel; a main frame coupled to the guide panel; and a force sensor module located between the guide panel and the main frame, wherein the force sensor module comprises: a sensor bar including a sensor rod disposed to be inclined from a central portion of the main frame toward a peripheral portion of the main frame; and a strain gauge installed on each of the plurality of sensor rods.
    Type: Application
    Filed: June 1, 2018
    Publication date: July 15, 2021
    Inventors: Jaecheon SA, Dongkill YU, Yongseop PARK
  • Publication number: 20210213994
    Abstract: A handle assembly for a cart with a power assist function can sense the direction that a user's force is applied, and provide assist power in the corresponding direction, such that the user can easily move the cart. A cart including the handle assembly allows the user to conveniently move the cart.
    Type: Application
    Filed: March 22, 2019
    Publication date: July 15, 2021
    Applicant: LG ELECTRONICS INC.
    Inventors: Jaecheon SA, Sunryang KIM, Keunsik NO
  • Publication number: 20200393831
    Abstract: Disclosed herein are a method of identifying a driving space using artificial intelligence, and a learning module and a robot implementing the same, and the robot according to an embodiment identifies a space in which the robot is moving by extracting feature data from data sensed by a vibration sensor and by comparing the feature data and parameters, and controls directions or speeds of movements of a moving unit to fit for the identified space, or changes magnitude of electric energy supplied to the moving unit.
    Type: Application
    Filed: May 2, 2019
    Publication date: December 17, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Joohan KIM, Jaecheon SA, Sunryang KIM, Yoonsik KIM
  • Publication number: 20200368916
    Abstract: An action robot includes a connector configured to connect a body to a movable part, a joint including a rotational body fastened to the movable part, a joint shaft provided to protrude from the rotational body, and a joint shaft supporting part provided in the connector to have a ring shape, the joint shaft being inserted into the joint shaft, a wire connected to the movable part to pull the movable part in a direction in which the joint is bent, a wire path provided in the connector, the wire path including an inlet which is disposed in the body and through which the wire passes, and a supporter disposed in the body to support the wire. An upper end of the supporter overlaps the inlet in a horizontal direction.
    Type: Application
    Filed: October 11, 2019
    Publication date: November 26, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Jaecheon SA, Namjin KIM, Sanghun KIM, Youngeun KIM, Jideok KIM
  • Publication number: 20200368897
    Abstract: An action robot includes a head disposed on a body, a head connector connecting the body to the head, a tilting shaft provided in the head connector, a head inner frame fastened to an inner portion of the head and tilted along with the head, the head inner frame including a tilting shaft inserting hole with the tilting shaft inserted thereinto, a path provided in the head connector to communicate with an inner portion of the body, a through hole communicating the path with an internal space of the head, and a wire sequentially passing through the path and the through hole from the inner portion of the body and pull the head inner frame so that the head is tilted in one direction.
    Type: Application
    Filed: April 7, 2020
    Publication date: November 26, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Jaecheon SA, Youngeun KIM, Namjin KIM, Jideok KIM, Sanghun KIM