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).
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Patent number: 12234592Abstract: A washing machine capable of communicating with a drying machine, and a method therefor are provided. The washing machine includes a communication circuitry configured to exchange data with an external device including a drying machine, a control panel including a dedicated button configured to obtain a user input for activating or deactivating a common function common with the drying machine, and at least one processor configured to, in response to obtaining the user input for activating the common function through the dedicated button, control the communication circuitry to activate the common function and transmit a communication signal for activating the common function to the drying machine, such that even if the drying machine is installed on the washing machine, the user may operate the drying machine without inconvenience.Type: GrantFiled: February 25, 2021Date of Patent: February 25, 2025Assignee: Samsung Electronics Co., Ltd.Inventors: Haeyoon Park, Bobin Kim, Jihoon Park, Romon Son, Cheolmin Yeom, Tallae Lee, Joonho Lee, Kyoungae Lim, Jeongwon Hahn
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Patent number: 12213054Abstract: A wireless power reception device according to an embodiment of the present specification comprises: a power pickup circuit configured to receive wireless power from a wireless power transmission device by magnetic coupling with the wireless power transmission device at an operating frequency, and convert an AC signal generated by the wireless power into a DC signal; and a communication/control circuit for communicating with the wireless power transmission device by using in-band communication using the operation frequency and out-band communication using a frequency other than the operation frequency, wherein the communication/control circuit transmits access information of a Wi-Fi network connected to the wireless power reception device, to the wireless power transmission device by using the out-band communication.Type: GrantFiled: April 29, 2020Date of Patent: January 28, 2025Assignee: LG ELECTRONICS INC.Inventors: Jinkwon Lim, Minsoo Lee, Jingu Choi, Taeyoung Song, Joonho Park, Yongcheol Park
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Apparatus and method for providing charging status information in wireless power transmission system
Patent number: 12206258Abstract: Disclosed in the present specification is a wireless power reception device comprising: a power pickup unit configured to receive wireless power from a wireless power transmission device by means of magnetic coupling with the wireless power transmission device at an operational frequency and convert an alternating current signal generated by the wireless power into a direct current signal; a battery configured to receive the direct current signal from the power pickup unit; and a communication/control unit configured to receive the direct current signal from the power pickup unit, perform a handover procedure from in-band communication using the operational frequency to out-band communication using a frequency other than the operational frequency, perform a procedure for selecting a priority display device on which charging status information about the battery is to be displayed through the out-band communication with the wireless power transmission device, and generate the charging status information.Type: GrantFiled: July 30, 2019Date of Patent: January 21, 2025Assignee: LG Electronics Inc.Inventors: Jinkwon Lim, Jaehyu Kim, Yongcheol Park, Joonho Park, Taeyoung Song, Jingu Choi -
Publication number: 20240405614Abstract: A wireless power receiver may comprise: a power pick-up circuit configured to receive power wirelessly from a wireless power transmitter including a plurality of primary coils by magnetic coupling to the wireless power transmitter at an operating frequency and to convert an alternating current signal induced by the wireless power into a direct current signal; a communication/control circuit receiving the direct current signal supplied from the power pick-up circuit and including an in-band communication module which communicates with the wireless power transmitter by using the operating frequency, and an out-band communication module which communicates with the wireless power transmitter by using any frequency except for the operating frequency; and a load configured to receive the direct current signal supplied from the power pick-up circuit, wherein the communication/control circuit transmits a message informing of the start of power allocation negotiation, to other wireless power receivers by using the outType: ApplicationFiled: August 15, 2024Publication date: December 5, 2024Inventors: Jingu CHOI, Jinkwon LIM, Taeyoung SONG, Yongcheol PARK, Joonho PARK
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Patent number: 12113287Abstract: An antenna structure according to an embodiment of the present disclosure includes a dielectric layer, and a plurality of antenna units arranged on a top surface of the dielectric layer. Each of the plurality of antenna units includes a radiator, a transmission line including a first transmission line and a second transmission line that extend in different directions to be connected to the radiator, an upper parasitic element adjacent to an upper portion of the radiator, and a lower parasitic element adjacent to a lower portion of the radiator and the transmission line. Feeding signals of different phases are applied to the first transmission line and the second transmission line.Type: GrantFiled: July 5, 2022Date of Patent: October 8, 2024Assignees: DONGWOO FINE-CHEM CO., LTD., KREEMO INC.Inventors: Ho Dong Yoon, Young Sub Son, Young Su Lee, In Seok Jang, Beak Jun Seong, Jung Woo Lee, Seong Tae Jeong, In Kyung Hong, John Joonho Park
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Publication number: 20240322613Abstract: 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: ApplicationFiled: May 29, 2024Publication date: September 26, 2024Applicant: LG ELECTRONICS INC.Inventors: Yongcheol PARK, Joonho PARK, Gyunghwan YOOK
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Patent number: 12095289Abstract: A wireless power receiver may comprise: a power pick-up circuit configured to receive power wirelessly from a wireless power transmitter including a plurality of primary coils by magnetic coupling to the wireless power transmitter at an operating frequency and to convert an alternating current signal induced by the wireless power into a direct current signal; a communication/control circuit receiving the direct current signal supplied from the power pick-up circuit and including an in-band communication module which communicates with the wireless power transmitter by using the operating frequency, and an out-band communication module which communicates with the wireless power transmitter by using any frequency except for the operating frequency; and a load configured to receive the direct current signal supplied from the power pick-up circuit, wherein the communication/control circuit transmits a message informing of the start of power allocation negotiation, to other wireless power receivers by using the outType: GrantFiled: October 16, 2019Date of Patent: September 17, 2024Assignee: LG Electronics Inc.Inventors: Jingu Choi, Jinkwon Lim, Taeyoung Song, Yongcheol Park, Joonho Park
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Patent number: 12095524Abstract: The present invention relates to a device and a method for performing wireless power transfer on the basis of heterogeneous communication. Disclosed in the present specification is a wireless power receiving device comprising: a power pickup unit configured to receive wireless power from a wireless power transfer device by magnetically coupling with the wireless power transfer device at an operating frequency, and convert an alternating current signal generated by the wireless power into a direct current signal; a communication/control unit configured to receive the direct current signal from the power pickup unit, and perform an in-band communication using the operating frequency and/or an out-band communication using a frequency other than the operating frequency; and a load configured to receive the direct current signal from the power pickup unit.Type: GrantFiled: August 6, 2019Date of Patent: September 17, 2024Assignee: LG ELECTRONICS INC.Inventors: Jingu Choi, Joonho Park, Jinkwon Lim, Yongcheol Park
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Patent number: 12095280Abstract: The present specification relates to a device and a method enabling in-band communication and out-band communication between a wireless power transmission device and a wireless power receiving device. The present specification discloses a wireless power transmission device, a wireless power transmission method, a wireless power receiving device, a wireless power receiving method and a wireless power transmission system, whereby the existence or not of an inter-device communication connection history is checked using whitelist information of an out-band communication module, and when corresponding to a reconnection, out-band communication is connected, and data exchange for wireless power transmission is carried out via the out-band communication.Type: GrantFiled: April 16, 2020Date of Patent: September 17, 2024Assignee: LG ELECTRONICS INC.Inventors: Joonho Park, Minsoo Lee, Jinkwon Lim, Jingu Choi
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Patent number: 12081289Abstract: The present invention relates to an access control method and device in a wireless power transmission system. A wireless power transmission device comprises: a power conversion circuit configured to have a plurality of primary coils and transmit wireless power to a wireless power reception device by using the primary coil which has formed magnetic coupling to the wireless power reception device at an operating frequency; and a communication/control circuit configured to perform in-band communication with the wireless power reception device by using the operating frequency and perform out-band communication with the wireless power reception device by using a frequency other than the operating frequency, wherein the communication/control circuit can transmit information for notifying whether or not connection to the wireless power reception device is possible by using the out-band communication.Type: GrantFiled: January 30, 2020Date of Patent: September 3, 2024Assignee: LG Electronics Inc.Inventors: Jingu Choi, Jinkwon Lim, Minsoo Lee, Joonho Park, Jaehyu Kim, Yongcheol Park
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Publication number: 20240255213Abstract: A refrigerator includes: a main body comprising a storage room; a door rotatably coupled to the main body and configured to open or close the storage room; and a water supply device on a rear surface of the door. The water supply device includes: a water supply case comprising a bucket installation space; a water level sensor configured to detect a water level of a water bucket in the bucket installation space; a first water supply port configured to supply water to the water bucket based on the water level of the water bucket that is detected by the water level sensor; a lever in the water supply case and configured to be manually operable; and a second water supply port configured to supply water based on operation of the lever by a user.Type: ApplicationFiled: November 30, 2023Publication date: August 1, 2024Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Gahyeong KIM, Juno Kwon, Joonho Park, Sangmin Park, Jin Jeong
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Patent number: 12046836Abstract: An antenna structure according to an embodiment of the present disclosure includes an antenna unit array including a plurality of antenna units, and a parasitic element disposed to be adjacent to the antenna units and to be electrically and physically separated from the antenna units. Each of the antenna units includes a radiator, and a transmission line including a first transmission line and a second transmission line connected to the radiator in different directions. The parasitic element includes a first parasitic element disposed between the first transmission line and the second transmission line included in the same antenna unit, and a second parasitic element disposed between the first transmission line and the second transmission line included in different neighboring antenna units. The second parasitic element includes a branched portion including a first branched portion and a second branched portion bent in different directions.Type: GrantFiled: July 5, 2022Date of Patent: July 23, 2024Assignees: DONGWOO FINE-CHEM CO., LTD., KREEMO INC.Inventors: Won Hee Lee, Dong Pil Park, Young Sub Son, In Seok Jang, Beak Jun Seong, Jung Woo Lee, Seong Tae Jeong, In Kyung Hong, John Joonho Park
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Patent number: 12040540Abstract: An antenna structure according to an embodiment of the present disclosure includes a dielectric layer and a plurality of antenna units arranged on a top surface of the dielectric layer. Each of the plurality of antenna units includes a radiator, a first transmission line and a second transmission line extending in different directions to be connected to the radiator, an upper parasitic element adjacent to an upper portion of the radiator, and a lower parasitic element adjacent to a lower portion of the radiator.Type: GrantFiled: July 5, 2022Date of Patent: July 16, 2024Assignees: DONGWOO FINE-CHEM CO., LTD., KREEMO INC.Inventors: Won Hee Lee, Dong Pil Park, Young Sub Son, In Seok Jang, Beak Jun Seong, Jung Woo Lee, Seong Tae Jeong, In Kyung Hong, John Joonho Park
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Publication number: 20240235616Abstract: The present invention relates to wireless power transmission. A method for controlling a communication connection for a wireless charging device supporting in-band communication and out-band communication, according to an embodiment of the present invention, may comprise: a step of receiving a first packet from a device through in-band communication; a step of generating a power transmission contract on the basis of the first packet; a step of performing an out-band communication connection on the basis of the power transmission contract; a step of controlling power by using out-band communication when the out-band communication connection is successful.Type: ApplicationFiled: March 25, 2024Publication date: July 11, 2024Applicant: LG ELECTRONICS INC.Inventor: Joonho PARK
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Patent number: 12021397Abstract: 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: GrantFiled: April 19, 2023Date of Patent: June 25, 2024Assignee: LG ELECTRONICS INC.Inventors: Yongcheol Park, Joonho Park, Gyunghwan Yook
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Patent number: 11979032Abstract: A wireless power transmission device according to an embodiment of the present specification comprises: a power conversion circuit for transmitting wireless power to a wireless power reception device by means of magnetic coupling with the wireless power reception device at an operating frequency; and a communication/control circuit for communicating with the wireless power reception device by using in-band communication that uses the operating frequency and/or out-band communication that uses a frequency other than the operating frequency, and for communicating with at least one other wireless power transmission device by using the out-band communication, wherein the communication/control circuit measures the distance to the wireless power reception device and transmits the information about the measured first distance to the other wireless power transmission device.Type: GrantFiled: May 15, 2020Date of Patent: May 7, 2024Assignee: LG ELECTRONICS INC.Inventors: Jingu Choi, Jinkwon Lim, Minsoo Lee, Joonho Park, Jaehyu Kim, Yongcheol Park
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Patent number: 11973542Abstract: The present invention relates to wireless power transmission. A method for controlling a communication connection for a wireless charging device supporting in-band communication and out-band communication, according to an embodiment of the present invention, may comprise: a step of receiving a first packet from a device through in-band communication; a step of generating a power transmission contract on the basis of the first packet; a step of performing an out-band communication connection on the basis of the power transmission contract; a step of controlling power by using out-band communication when the out-band communication connection is successful.Type: GrantFiled: April 17, 2020Date of Patent: April 30, 2024Assignee: LG ELECTRONICS INC.Inventor: Joonho Park
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Publication number: 20240128639Abstract: Discloses is an unpowered transparent antenna that can be installed to reduce or remove a radio wave shadow area such as an interior even without power. In order to achieve the objectives, an unpowered transparent antenna includes: a first conductive layer having a mesh structure; and a second conductive layer having a mesh structure and positioned on the bottom of the first conductive layer, in which an aperture ratio of the first and second conductive layers is 50% or more.Type: ApplicationFiled: February 21, 2023Publication date: April 18, 2024Applicants: LAT CO., LTD., Kreemo Inc.Inventors: Heung Hwan KIM, Geun-taek LIM, In Kyung HONG, John Joonho PARK
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Patent number: 11949467Abstract: The present invention relates to an apparatus and a method for supporting heterogeneous communication in a wireless power transmission system. The present disclosure discloses a wireless power receiver comprising: a power pickup unit configured to receive, from a wireless power transmitter, a digital ping signal or wireless power by magnetically coupling with the wireless power transmitter at an operating frequency, and to convert an alternating current signal generated by the wireless power into a direct current signal; a communication/control unit configured to receive the direct current signal from the power pickup unit, and to perform at least one of an in-band communication using the operating frequency and an out-band communication using a frequency other than the operating frequency; and a load configured to receive the direct current signal from the power pickup unit.Type: GrantFiled: July 16, 2019Date of Patent: April 2, 2024Assignee: LG ELECTRONICS INC.Inventors: Joonho Park, Bongsik Kwak, Sungkyu Kim, Yongcheol Park, Seonghun Lee, Jihyun Lee
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Patent number: 11949254Abstract: The present invention relates to a near field communication method and device in a wireless power transmission system.Type: GrantFiled: November 29, 2019Date of Patent: April 2, 2024Assignee: LG ELECTRONICS INC.Inventors: Jingu Choi, Jinkwon Lim, Minsoo Lee, Joonho Park, Yongcheol Park