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).

  • Patent number: 12514120
    Abstract: A power management integrated circuit includes a reconfigurable converter connected to a rechargeable battery and a control circuit. The reconfigurable converter includes an inductor 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: Grant
    Filed: April 26, 2022
    Date of Patent: December 30, 2025
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Sang-Gug Lee, Young-Seok Noh, Jeong-Il Seo, Won-Jong Choi
  • 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: 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: 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: 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: 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: 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
  • Patent number: 10175847
    Abstract: A portable device and a method for controlling a display device include receiving first display information of a first arrangement of icons displayed on a screen of the display device, displaying the first arrangement of icons on a display of a portable device based on the first display information, modifying the first arrangement of icons displayed on the display of the portable device to generate a second arrangement of icons, generating second display information based on the second arrangement of icons, and transmitting to the display device a request to display the second arrangement of icons on the display of the display device, the request comprising the second display information.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: January 8, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byung-jeong Jeon, Youn-gun Jung, In-young Shin, Hye-young Jun, Sun Choi, Won-jong Choi
  • Patent number: 10148587
    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: August 22, 2013
    Date of Patent: December 4, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sun Choi, Won-jong Choi
  • Publication number: 20180316622
    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 5, 2018
    Publication date: November 1, 2018
    Inventors: Sun CHOI, Won-jong CHOI
  • Patent number: 10075325
    Abstract: A contents streaming method of a user terminal device is provided. The method includes converting a certain portion of contents into a first format based on information to initially display contents on the external device, transmitting the certain portion of contents converted into the first format to the external device, converting the contents into a second format different from the first format after transmitting the portion of contents converted into the first format, and transmitting the contents converted into the second format to the external device.
    Type: Grant
    Filed: August 22, 2013
    Date of Patent: September 11, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: In-young Shin, Won-jong Choi
  • Patent number: 9826026
    Abstract: One or more exemplary embodiments provide a content transmission method and system, a device and a computer-readable recording medium thereof, configured to map user cloud account information with content. The content transmission method includes determining attribute information regarding content or uploading of the content; mapping user cloud account information, which corresponds to the determined attribute information, with the content; and transmitting the content to a cloud which is determined based on the mapped user cloud account information.
    Type: Grant
    Filed: July 23, 2013
    Date of Patent: November 21, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: In-young Shin, Won-jong Choi
  • Publication number: 20170118436
    Abstract: A method in which a mobile terminal displays information is provided. The method includes: transmitting, to an external display device, a first signal for selecting an object displayed on the external display device based on a first input of a user through the mobile terminal; transmitting, to the external display device, a second signal for requesting additional information corresponding to the selected object based on a second input of the user through the mobile terminal; and displaying, on a screen of the mobile terminal, the additional information received from the external display device.
    Type: Application
    Filed: December 21, 2016
    Publication date: April 27, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Bo-seok MOON, Won-jong CHOI
  • Publication number: 20170083460
    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: Application
    Filed: December 2, 2016
    Publication date: March 23, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sun CHOI, Won-jong CHOI