Patents by Inventor Won-jong Choi

Won-jong 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).

  • Publication number: 20240105963
    Abstract: A method for manufacturing a gas diffusion layer for a fuel cell wherein carbon nanotubes are impregnated into Korean paper, thereby enhancing electroconductivity, and a gas diffusion layer manufactured thereby. The method for manufacturing a gas diffusion layer for a fuel cell which is to manufacture a gas diffusion layer as a constituent member of a unit cell in a fuel cell, includes a support preparation step of preparing a support with Korean paper; a dispersion preparation step of dispersing a carbon substance in a solvent to form a dispersion, a coating step of coating the support with the dispersion, and a thermal treatment step of thermally treating the dispersion-coated support to fix the carbon substance to the support.
    Type: Application
    Filed: March 6, 2023
    Publication date: March 28, 2024
    Inventors: Seung Tak Noh, Ji Han Lee, In Seok Lee, Jae Man Park, Won Jong Choi, Choong Hee Kim, Seong Hwang Kim, Jong Hoon Lee, Soo Jin Park, Seul Yi Lee
  • Publication number: 20240088432
    Abstract: An embodiment sulfur dioxide-based inorganic electrolyte is provided in which the sulfur dioxide-based inorganic electrolyte is represented by a chemical formula M·(A1·Cl(4-x)Fx)z·ySO2. In this formula, M is a first element selected from the group consisting of Li, Na, K, Ca, and Mg, A1 is a second element selected from the group consisting of Al, Fe, Ga, and Cu, x satisfies a first equation 0?x?4, y satisfies a second equation 0?y?6, and z satisfies a third equation 1?z?2.
    Type: Application
    Filed: April 12, 2023
    Publication date: March 14, 2024
    Inventors: Kyu Ju Kwak, Won Keun Kim, Eun Ji Kwon, Samuel Seo, Yeon Jong Oh, Kyoung Han Ryu, Dong Hyun Lee, Han Su Kim, Ji Whan Lee, Seong Hoon Choi, Seung Do Mun
  • Patent number: 11671386
    Abstract: An artificial intelligence (AI) system which utilizes machine learning algorithm such as deep learning and application is provided. The artificial intelligence (AI) system includes a controlling method of an electronic device for determining a chatbot using an artificial intelligence learning model includes receiving a voice uttered by a user, processing the voice and acquiring text information corresponding to the voice, and displaying the text information on a chat screen, determining a chatbot for providing a response message regarding the voice by inputting the acquired text information and chat history information regarding the chat screen to a model which is trained to determine the chatbot by inputting text information and chat history information, transmitting the acquired text information and the chat history information regarding the chat screen to a server for providing the determined chatbot, and receiving a response message from the server and displaying the response message on the chat screen.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: June 6, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji-hwan Yun, Won-ho Ryu, Won-jong Choi
  • Patent number: 11637794
    Abstract: An artificial intelligence (AI) system which utilizes machine learning algorithm such as deep learning and application is provided. The artificial intelligence (AI) system includes a controlling method of an electronic device for determining a chatbot using an artificial intelligence learning model includes receiving a voice uttered by a user, processing the voice and acquiring text information corresponding to the voice, and displaying the text information on a chat screen, determining a chatbot for providing a response message regarding the voice by inputting the acquired text information and chat history information regarding the chat screen to a model which is trained to determine the chatbot by inputting text information and chat history information, transmitting the acquired text information and the chat history information regarding the chat screen to a server for providing the determined chatbot, and receiving a response message from the server and displaying the response message on the chat screen.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: April 25, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji-hwan Yun, Won-ho Ryu, Won-jong Choi
  • Publication number: 20230029579
    Abstract: A power management integrated circuit includes a reconfigurable converter connected to a rechargeable battery and a control circuit. The reconfigurable converter includes an indcutor to accumulate energy based on an input voltage from a thermoelectric device, provides a wireless sensor node connected to an output node with an output voltage based on the input voltage and an internal input voltage of the rechargeable battery, operates in one of operation modes based on an available power provided from the thermoelectric device and a power consumption by the wireless sensor node and drives the wireless sensor node in response to the wireless sensor node consuming a current greater than a maximum current generated by the thermoelectric device. The control circuit to control the reconfigurable converter based on the input voltage, a first voltage of a first switching node, a second voltage of a second switching node and the output voltage.
    Type: Application
    Filed: April 26, 2022
    Publication date: February 2, 2023
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Sang-Gug Lee, Young-Seok Noh, Jeong-Il Seo, Won-Jong Choi
  • Publication number: 20220357443
    Abstract: A vehicle control system may include a controller that detects an object outside a vehicle, calculates an angle based on a ratio of a relative speed between the object and the vehicle to a speed of the vehicle, and updates a phase curve reflecting a phase distortion of an input signal based on the calculated angle.
    Type: Application
    Filed: July 22, 2021
    Publication date: November 10, 2022
    Inventors: Won Jong CHOI, Seok Hyun KANG, Young Hoon KIM
  • Publication number: 20220116340
    Abstract: An artificial intelligence (AI) system which utilizes machine learning algorithm such as deep learning and application is provided. The artificial intelligence (AI) system includes a controlling method of an electronic device for determining a chatbot using an artificial intelligence learning model includes receiving a voice uttered by a user, processing the voice and acquiring text information corresponding to the voice, and displaying the text information on a chat screen, determining a chatbot for providing a response message regarding the voice by inputting the acquired text information and chat history information regarding the chat screen to a model which is trained to determine the chatbot by inputting text information and chat history information, transmitting the acquired text information and the chat history information regarding the chat screen to a server for providing the determined chatbot, and receiving a response message from the server and displaying the response message on the chat screen.
    Type: Application
    Filed: December 20, 2021
    Publication date: April 14, 2022
    Inventors: Ji-hwan YUN, Won-ho RYU, Won-jong CHOI
  • Patent number: 11243132
    Abstract: A pressure sensor includes a sensor element, an inner frame configured to receive at least a portion of the sensor element, and a housing configured to receive the inner frame therein. The inner frame is formed of a metal material and includes a printed circuit board assembly to be electrically connected to the sensor element. The housing is formed of a resin material.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: February 8, 2022
    Assignee: Tyco Electronics AMP Korea Co., Ltd.
    Inventors: Young Deok Kim, Won Jong Choi
  • Patent number: 11218429
    Abstract: An artificial intelligence (AI) system which utilizes machine learning algorithm such as deep learning and application is provided. The artificial intelligence (AI) system includes a controlling method of an electronic device for determining a chatbot using an artificial intelligence learning model includes receiving a voice uttered by a user, processing the voice and acquiring text information corresponding to the voice, and displaying the text information on a chat screen, determining a chatbot for providing a response message regarding the voice by inputting the acquired text information and chat history information regarding the chat screen to a model which is trained to determine the chatbot by inputting text information and chat history information, transmitting the acquired text information and the chat history information regarding the chat screen to a server for providing the determined chatbot, and receiving a response message from the server and displaying the response message on the chat screen.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: January 4, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji-hwan Yun, Won-ho Ryu, Won-jong Choi
  • Patent number: 11105700
    Abstract: A pressure sensor comprises a sensor housing, a diaphragm provided in the sensor housing, and a snubber insertable into the sensor housing. The sensor housing includes a coupler coupling with a pressure measurement target and a housing passage passing through the coupler and guiding a fluid that flows into the sensor housing from the pressure measurement target. The diaphragm is deformable by a pressure of the fluid that flows into the sensor housing from the pressure measurement target. The snubber is inserted into the sensor housing through the housing passage and fastens to the sensor housing in a state in which at least a portion of the sensor housing forming the housing passage is deformed. The snubber guides flow of the fluid and transmits the pressure of the fluid to the diaphragm.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: August 31, 2021
    Assignee: Tyco Electronics AMP Korea Co., Ltd.
    Inventors: Won Jong Choi, Sun Yong Lee
  • Patent number: 10855615
    Abstract: A method for sharing content of a device is provided. The method includes receiving, by an inputter, an input of a share command of a selected content, recommending at least one service to share the content among a plurality of services that are available in the device and a share target, and sharing, by a controller, the content with the share target selected through the selected service based on a selection input with respect to the at least one recommended service and the share target.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: December 1, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sun Choi, Won-jong Choi
  • Publication number: 20190376865
    Abstract: A pressure sensor includes a sensor element, an inner frame configured to receive at least a portion of the sensor element, and a housing configured to receive the inner frame therein. The inner frame is formed of a metal material and includes a printed circuit board assembly to be electrically connected to the sensor element. The housing is formed of a resin material.
    Type: Application
    Filed: August 21, 2019
    Publication date: December 12, 2019
    Applicant: Tyco Electronics AMP Korea Co., Ltd.
    Inventors: Young Deok Kim, Won Jong Choi
  • Publication number: 20190353549
    Abstract: A pressure sensor comprises a sensor housing, a diaphragm provided in the sensor housing, and a snubber insertable into the sensor housing. The sensor housing includes a coupler coupling with a pressure measurement target and a housing passage passing through the coupler and guiding a fluid that flows into the sensor housing from the pressure measurement target. The diaphragm is deformable by a pressure of the fluid that flows into the sensor housing from the pressure measurement target. The snubber is inserted into the sensor housing through the housing passage and fastens to the sensor housing in a state in which at least a portion of the sensor housing forming the housing passage is deformed. The snubber guides flow of the fluid and transmits the pressure of the fluid to the diaphragm.
    Type: Application
    Filed: May 15, 2019
    Publication date: November 21, 2019
    Applicant: Tyco Electronics AMP Korea Co., Ltd.
    Inventors: Won Jong Choi, Sun Yong Lee
  • Publication number: 20190334832
    Abstract: A method for sharing content of a device is provided. The method includes receiving, by an inputter, an input of a share command of a selected content, recommending at least one service to share the content among a plurality of services that are available in the device and a share target, and sharing, by a controller, the content with the share target selected through the selected service based on a selection input with respect to the at least one recommended service and the share target.
    Type: Application
    Filed: July 11, 2019
    Publication date: October 31, 2019
    Inventors: Sun CHOI, Won-jong CHOI
  • Patent number: 10374969
    Abstract: A method for sharing content of a device is provided. The method includes receiving, by an inputter, an input of a share command of a selected content, recommending at least one service to share the content among a plurality of services that are available in the device and a share target, and sharing, by a controller, the content with the share target selected through the selected service based on a selection input with respect to the at least one recommended service and the share target.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: August 6, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sun Choi, Won-jong Choi
  • Publication number: 20190158433
    Abstract: An artificial intelligence (AI) system which utilizes machine learning algorithm such as deep learning and application is provided. The artificial intelligence (AI) system includes a controlling method of an electronic device for determining a chatbot using an artificial intelligence learning model includes receiving a voice uttered by a user, processing the voice and acquiring text information corresponding to the voice, and displaying the text information on a chat screen, determining a chatbot for providing a response message regarding the voice by inputting the acquired text information and chat history information regarding the chat screen to a model which is trained to determine the chatbot by inputting text information and chat history information, transmitting the acquired text information and the chat history information regarding the chat screen to a server for providing the determined chatbot, and receiving a response message from the server and displaying the response message on the chat screen.
    Type: Application
    Filed: October 29, 2018
    Publication date: May 23, 2019
    Inventors: Ji-hwan YUN, Won-ho RYU, Won-jong CHOI
  • Patent number: 10235305
    Abstract: A method and system for sharing content, by which an experience is shared between users in real-time based on an interactive service between devices is provided. The method includes: receiving content-related information from at least one peripheral device reproducing content to be shared while an interactive service is being provided; and transmitting the content-related information to at least one second communication device connected to a first communication device by the interactive service based on the received content-related information.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: March 19, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sun Choi, Won-jong Choi
  • Patent number: 10228810
    Abstract: A method of transmitting an inquiry message, performed by a display device, includes operations of reproducing content in the display device; receiving an input from a user, wherein the input from the user is related to the content; generating an inquiry message about the content, based on the input from the user; extracting information, which is related to the input from the user, from the content; and transmitting the extracted information and the inquiry message to an external device that is connected with the display device.
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: March 12, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: In-young Shin, Won-jong Choi
  • Patent number: 10222284
    Abstract: A pressure sensor is disclosed. The pressure sensor has a sensor module having a strain gauge measuring a pressure of a gas flowing into a passage of the sensor module, a substrate electrically connected to the strain gauge, a frame covering a portion of the sensor module and supporting the substrate, a terminal electrically connected to the substrate and contacting a contact point of an external device, a terminal holder supporting the terminal, and a housing having an end connected to the sensor module and covering a portion of the terminal holder.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: March 5, 2019
    Assignee: Tyco Electronics AMP Korea Co. Ltd.
    Inventors: Young Deok Kim, Eul Chul Byeon, Kyung Hwan Oh, Won Jong Choi
  • Patent number: 10191616
    Abstract: A method, a system, an apparatus, and a computer readable medium storing instructions for tagging information about an object included in an image to the image. The tagging information is used for searching for the image. The method includes detecting one or more objects included in a displayed image. The method also includes receiving, from a user, information about the detected object, and tagging the received information to the displayed image.
    Type: Grant
    Filed: August 6, 2013
    Date of Patent: January 29, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won-jong Choi, Hyung-tak Choi, O-hoon Kwon