Patents by Inventor Joonho Park

Joonho Park 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).

  • Publication number: 20210135468
    Abstract: A charging pad according to the exemplary embodiment of the present invention may include an input terminal connected to a high-priority charging pad; an output terminal connected to a low-priority charging pad; a charging unit configured to charge a robot positioned on the charging pad in accordance with a preset operating state; and a control unit configured to switch an operating state of the charging unit from an operation stop state to an operation standby state when a status signal for the high-priority charging pad is received from the input terminal. The control unit is configured to output the status signal for the charging pad through the output terminal when occupation of the charging unit by the robot is detected in the operation standby state.
    Type: Application
    Filed: November 5, 2020
    Publication date: May 6, 2021
    Inventors: Kay PARK, Minsu KIM, Jaehun HAN, Joonho SEO
  • Publication number: 20210066973
    Abstract: The present invention relates to an apparatus and a method for performing power calibration in a wireless power transmission system. The present specification provides a wireless power transmission apparatus comprising: a power conversion unit configured to transmit, in a power transfer phase, wireless power generated on the basis of magnetic coupling to a wireless power receiving device; and a communication/control unit configured to perform an initial calibration for a power parameter prior to the power transfer phase, receive a first received power packet from the wireless power receiving device indicating the power received by the wireless power receiving device during the power transfer phase, and detect foreign matter by using the received power and a first power loss determined on the basis of the initial calibration.
    Type: Application
    Filed: January 8, 2019
    Publication date: March 4, 2021
    Applicant: LG ELECTRONICS INC.
    Inventors: Yongcheol PARK, Joonho PARK, Gyunghwan YOOK
  • Publication number: 20210028653
    Abstract: The present disclosure relates to a device and method for controlling transmission of power in a wireless power transmitting system. The present specification discloses a wireless power transmitting method comprising the steps of: performing a digital ping on each of a plurality of coil combinations formed from a plurality of primary coils; receiving a signal intensity packet of each of the coil combinations from the wireless power receiving device; and forming the magnetic coupling by operating a coil combination selected on the basis of the signal intensity packet, and transmitting wireless power to the wireless power receiving device on the basis of the magnetic coupling. Therefore, an optimal multi-coil can be rapidly selected according to the location of the wireless power receiving device.
    Type: Application
    Filed: April 2, 2019
    Publication date: January 28, 2021
    Inventors: Joonho PARK, Bongsik KWAK, Sungkyu KIM, Jihyun LEE
  • Patent number: 10805888
    Abstract: A method for performing authentication of a target device in a wireless power transmission system, includes receiving, from the target device, a first packet including indication information related to whether or not the target device supports an authentication function; in case the target device supports the authentication function, transmitting an authentication request message to the target device; and receiving, from the target device, an authentication response message including a certificate related to wireless charging as a response to the authentication request message, wherein a format of the certificate includes a certificate type that informs whether the certificate is one of a plurality of certificates including a root certificate, an intermediate certificate and a final certificate for a wireless power transmitter (PTX).
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: October 13, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Yongcheol Park, Jaeyeol Kim, Joonho Park, Jeongkyo Seo, Gyunghwan Yook, Jaesung Lee
  • Publication number: 20200295606
    Abstract: Disclosed are a wireless power transfer apparatus and a method of controlling the same. The wireless power transfer apparatus in one example can include a power transmission circuit including a plurality of coils and configured to transfer power through the plurality of coils, and a controller, wherein the controller is configured to calculate a data value of a coil with respect to each of the plurality of coils, and determine a position of an object in a charge region corresponding to the plurality of coils in a charge region based on a comparison result obtained by comparing the data value calculated for each of the plurality of coils.
    Type: Application
    Filed: February 18, 2020
    Publication date: September 17, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Joonho PARK, Seonghun LEE, Bongsik KWAK
  • Publication number: 20200252886
    Abstract: A method for performing authentication of a target device in a wireless power transmission system, includes receiving, from the target device, a first packet including indication information related to whether or not the target device supports an authentication function; in case the target device supports the authentication function, transmitting an authentication request message to the target device; and receiving, from the target device, an authentication response message including a certificate related to wireless charging as a response to the authentication request message, wherein a format of the certificate includes a certificate type that informs whether the certificate is one of a plurality of certificates including a root certificate, an intermediate certificate and a final certificate for a wireless power transmitter (PTX).
    Type: Application
    Filed: April 24, 2020
    Publication date: August 6, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Yongcheol PARK, Jaeyeol KIM, Joonho PARK, Jeongkyo SEO, Gyunghwan YOOK, Jaesung LEE
  • Publication number: 20200244108
    Abstract: The present invention relates to a multi-coil based wireless power transmission device and method. Disclosed in the present specification is a wireless power transmission device comprising: a primary coil array forming a magnetic coupling with a secondary coil, which is provided in a wireless power reception device, so as to transmit wireless power to the wireless power reception device; a plurality of inverters connected to a plurality of primary coils one-to-one so as to selectively drive each of the plurality of primary coils; a communication and control unit, which controls the plurality of inverters and communication with the wireless power reception device such that at least one primary coil is driven on the basis of the degree of magnetic coupling formed by each primary coil and the secondary coil, thereby determining output, which can be provided by the primary coil array, within a value obtained by summing all the maximum outputs individually set to the respective primary coils.
    Type: Application
    Filed: June 28, 2018
    Publication date: July 30, 2020
    Inventors: Sungkyu KIM, Jeongkyo SEO, Jinmoo PARK, Seonghun LEE, Bongsik KWAK, Jaesung LEE, Jihyun LEE, Gyunghwan YOOK, Joonho PARK, Youngchan CHO
  • Publication number: 20200227932
    Abstract: The present invention relates to a wireless power transmitting device. The wireless power transmitting device comprises a transmitter coil section with a plurality of partially overlapping transmitter coils; a fan for cooling heat generated by the transmitter coil section; and a controller for sending out a detection signal through the transmitter coil section, calculating the number of operating coils based on the strength of a response signal to the detection signal, and controlling the fan based on the calculated number of operating coils. Accordingly, heat generated by the transmitter coils can be reduced more efficiently.
    Type: Application
    Filed: January 14, 2020
    Publication date: July 16, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Sungkyu KIM, Seonghun LEE, Bongsik KWAK, Jihyun LEE, Joonho PARK
  • Publication number: 20200227951
    Abstract: The present invention relates to a wireless power transfer apparatus. The wireless power transfer apparatus includes: a resonant circuit unit including a plurality of coils and a plurality of capacitor elements respectively connected to the plurality of coils; and a controller configured to calculate individual quality factor of each of the plurality of coils and a total quality factor of the plurality of coils, at a resonant frequency, and calculate whether foreign matter exists on a charging surface, based on the total quality factor and the individual quality factor, at the resonance frequency. Accordingly, foreign matter on the charging surface can be detected more easily.
    Type: Application
    Filed: January 14, 2020
    Publication date: July 16, 2020
    Inventors: Joonho PARK, Seonghun LEE, Bongsik KWAK, Jihyun LEE, Sungkyu KIM
  • Publication number: 20200204005
    Abstract: A wireless power transmission apparatus can include a resonant circuit including a plurality of coils and a plurality of capacitor elements respectively connected to the plurality of coils; a first sensor configured to sense a change in inductance of each of the plurality of coils; a second sensor configured to sense a change in a quality factor of each of the plurality of coils; and a controller configured to calculate feature values based on an inductance variation and a quality factor variation for detecting a foreign object, and determine the foreign object is present on a charging surface of the wireless power transmission apparatus based on whether a feature value combination selected from among the feature values falls within a reference region on a coordinate plane formed by an intersection of a first axis and a second axis, in which the first axis is based on inductance variation and the second axis is based on quality factor variation.
    Type: Application
    Filed: November 18, 2019
    Publication date: June 25, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Jihyun LEE, Seonghun LEE, Bongsik KWAK, Joonho PARK, Sungkyu KIM
  • Publication number: 20200204003
    Abstract: A power relay device includes a power receiver configured to wirelessly receive power of a first class when coupled with a wireless power transmission device, a first power converter configured to convert power supplied from the power receiver into a form appropriate for a first mobile terminal, a second power converter configured to receive power from the first power converter and to convert the power into power of a second class, and a power transmitter configured to wirelessly transmit the power of the second class to a second mobile terminal.
    Type: Application
    Filed: November 15, 2019
    Publication date: June 25, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Jihyun LEE, Seonghun LEE, Bongsik KWAK, Joonho PARK, Sungkyu KIM
  • Patent number: 10638098
    Abstract: Provided is a surveillance method. The surveillance method includes detecting an event occurring region from an image obtained by using a first image sensor; and, when the event occurring region satisfies a preset condition, moving an identification unit on which a second image sensor is mounted in a direction corresponding to the event occurring region.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: April 28, 2020
    Assignee: HANWHA DEFENSE CO., LTD.
    Inventors: HeeSeo Chae, HoNam Song, JoonHo Park
  • Patent number: 10601249
    Abstract: Disclosed is a method for wirelessly transmitting, by a power transmitter including a primary coil, power. The method may include detecting the placement of objects on a surface of an interface included in the power transmitter and selecting a power receiver which belongs to the detected objects and to which power is to be transmitted, performing digital ping for applying a power signal for detecting and identifying the power receiver to the power receiver and receiving a response to the digital ping from the power receiver, obtaining information about the configuration of the power receiver and establishing a power transfer contract with the power receiver using the configuration information, and wirelessly transmitting the power to the power receiver based on the established power transfer contract.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: March 24, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Yongcheol Park, Joonho Park, Jihyun Lee
  • Publication number: 20190360711
    Abstract: The present disclosure provides a device for controlling power supply to a heating, ventilating, and air-conditioning (HVAC) system for a building based on a target temperature. The device comprises a memory and a processor connected to the memory, wherein the processor is configured for: generating a zone-based temperature prediction model by training an artificial neural network based on a plurality of first training data; and determining a sequence of optimal to-be-supplied powers at one or more time-points after a current time-point, wherein the sequence of optimal to-be-supplied powers allows minimizing a value of a loss function associated with a difference between a sequence of predetermined target temperatures and a sequence of predicted temperatures predicted based on the zone-based temperature prediction model.
    Type: Application
    Filed: October 31, 2018
    Publication date: November 28, 2019
    Inventors: YoungSeok SOHN, SangDeok CHOI, Youngjin KIM, Sungah KIM, Hwanjo YU, John Joonho PARK
  • Publication number: 20180359452
    Abstract: Provided is a surveillance method. The surveillance method includes detecting an event occurring region from an image obtained by using a first image sensor; and, when the event occurring region satisfies a preset condition, moving an identification unit on which a second image sensor is mounted in a direction corresponding to the event occurring region.
    Type: Application
    Filed: November 10, 2015
    Publication date: December 13, 2018
    Applicant: HANWHA LAND SYSTEMS CO., LTD.
    Inventors: HeeSeo CHAE, HoNam SONG, JoonHo PARK
  • Publication number: 20170264144
    Abstract: Disclosed is a method for wirelessly transmitting, by a power transmitter including a primary coil, power. The method may include detecting the placement of objects on a surface of an interface included in the power transmitter and selecting a power receiver which belongs to the detected objects and to which power is to be transmitted, performing digital ping for applying a power signal for detecting and identifying the power receiver to the power receiver and receiving a response to the digital ping from the power receiver, obtaining information about the configuration of the power receiver and establishing a power transfer contract with the power receiver using the configuration information, and wirelessly transmitting the power to the power receiver based on the established power transfer contract.
    Type: Application
    Filed: March 8, 2017
    Publication date: September 14, 2017
    Applicant: LG ELECTRONICS INC.
    Inventors: Yongcheol PARK, Joonho PARK, Jihyun LEE
  • Patent number: 6546415
    Abstract: A method and apparatus are disclosed for remotely managing network elements in a distributed computing system. The distributed computing system utilizes a software entity, such as an operating system, to manage the location of, and communication with, distributed resources in the distributed computing system. A network manager and/or SNMP agents can interact with distributed elements to obtain desired management information independent of the location of the distributed elements. Thus, master agents can communicate with managed network nodes without adhering to the intricate requirements of the SMUX or DPI protocols. SNMP MIBs are implemented as hierarchical file systems, comprised of a tree of file-like objects, that may be accessed through a namespace. The SNMP MIB namespace allows the network manager, master agent and SNMP agents to access each resource, including SNMP MIBs, in a uniform, file-oriented manner.
    Type: Grant
    Filed: May 14, 1999
    Date of Patent: April 8, 2003
    Assignee: Lucent Technologies Inc.
    Inventor: Joonho Park
  • Patent number: D918498
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: May 4, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Minji Park, Hyeokjin Choi, Haeyoon Park, Joonho Lee, Kyoung-Ae Lim