Patents by Inventor Du-Seong CHANG

Du-Seong CHANG 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: 10725620
    Abstract: The disclosure is related to a method for providing an interactive menu data for contents search. At least one query word may be generated based on user inputs at user equipment. A server may generate an interactive menu data based on the received at least one query word. The server may provide the generated interactive menu data to the user equipment.
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: July 28, 2020
    Assignee: KT CORPORATION
    Inventors: Du-Seong Chang, Hyung-Keun Koo, Sang-Hee Kim, Joo-Won Sung, Min-Jeung Cho
  • Patent number: 10650816
    Abstract: An artificial intelligence voice interactive system may provide various services to a user in response to a voice command. The system may perform at least one of: receiving user speech from a user; transmitting the received user speech to the central server; receiving at least one of control signals and audio and video answers, which are generated based on an analysis and interpretation result of the user speech, from at least one of the central server, the internal service servers, and the external service servers; and outputting the received audio and video answers through at least one of speakers and a display coupled to the user interactive device and controlling at least one device according to the control signals.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: May 12, 2020
    Assignee: KT CORPORATION
    Inventors: Sang-Wook Lee, Hyun-Jung Kang, Sun-Jong Kwon, Mi-Hee Kim, Jin-Han Kim, Gyu-Tae Baek, Joo-Won Sung, Kyeong-Jin Oh, Jin-Young Oh, Ji-Hui Im, Du-Seong Chang, Won-Seock Choi
  • Patent number: 10311877
    Abstract: An artificial intelligence voice interactive system may provide various services to a user in response to a voice command by providing an interface between the system and a legacy system to enable providing various types of existing services in response to user speech without modifying systems for the existing services.
    Type: Grant
    Filed: July 5, 2017
    Date of Patent: June 4, 2019
    Assignee: KT CORPORATION
    Inventors: Sang-Wook Lee, Du-Seong Chang
  • Publication number: 20180322870
    Abstract: An artificial intelligence voice interactive system may provide various services to a user in response to a voice command.
    Type: Application
    Filed: January 16, 2018
    Publication date: November 8, 2018
    Applicant: KT CORPORATION
    Inventors: Sang-Wook LEE, Hyun-Jung KANG, Sun-Jong KWON, Mi-Hee KIM, Jin-Han KIM, Gyu-Tae BAEK, Joo-Won SUNG, Kyeong-Jin OH, Jin-Young OH, Ji-Hui IM, Du-Seong CHANG, Won-Seock CHOI
  • Publication number: 20180011613
    Abstract: The disclosure is related to a method for providing an interactive menu data for contents search. At least one query word may be generated based on user inputs at user equipment. A server may generate an interactive menu data based on the received at least one query word. The server may provide the generated interactive menu data to the user equipment.
    Type: Application
    Filed: August 14, 2017
    Publication date: January 11, 2018
    Applicant: KT CORPORATION
    Inventors: Du-Seong CHANG, Hyung-Keun KOO, Sang-Hee KIM, Joo-Won SUNG, Min-Jeung CHO
  • Publication number: 20180005631
    Abstract: An artificial intelligence voice interactive system may provide various services to a user in response to a voice command by providing an interface between the system and a legacy system to enable providing various types of existing services in response to user speech without modifying systems for the existing services.
    Type: Application
    Filed: July 5, 2017
    Publication date: January 4, 2018
    Applicant: KT CORPORATION
    Inventors: Sang-Wook LEE, Du-Seong CHANG
  • Patent number: 9733795
    Abstract: The disclosure is related to a method for providing an interactive menu data for contents search. At least one query word may be generated based on user inputs at user equipment. A server may generate an interactive menu data based on the received at least one query word. The server may provide the generated interactive menu data to the user equipment.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: August 15, 2017
    Assignee: KT CORPORATION
    Inventors: Du-Seong Chang, Hyung-Keun Koo, Sang-Hee Kim, Joo-Won Sung, Min-Jeung Cho
  • Patent number: 9456254
    Abstract: In one example embodiment, a system includes an end device configured to transmit a user input; and a television apparatus configured to: receive the user input from the end device, determine a query that is associated with a function that is executable by the television apparatus, based at least in part on the user input, execute the function that corresponds to the determined query, and generate a reply to the determined query based at least in part on a result of the execution of the function.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: September 27, 2016
    Assignee: KT Corporation
    Inventors: Joo-won Sung, Du-seong Chang
  • Publication number: 20160086037
    Abstract: In one example, a content theme recommendation system may include a content recommendation server configured to: generate a plurality of themes with respect to multiple contents, calculate similarities between the plurality of themes, collect content viewing logs for one or more of the multiple contents from a user device, convert the content viewing logs into theme viewing logs based on metadata for the plurality of themes, and provide one or more recommended theme to the user device based on the theme viewing logs and the similarities between the plurality of themes; and the user device configured to receive one or more recommended theme from the content recommendation server.
    Type: Application
    Filed: August 27, 2015
    Publication date: March 24, 2016
    Inventors: Ji-Hui IM, Du-seong CHANG, Hyungkeun KOO, Joo-won SUNG
  • Publication number: 20140181863
    Abstract: In one example embodiment, a system includes an end device configured to: display an image, receive an input to select an object depicted on the displayed image, and transmit information regarding the object; and a server configured to: receive the information regarding the object from the end device, store the received information regarding the object with a time of receipt, identify at least one service associated with the object with reference to the received information regarding the object, and transmit service information regarding the identified at least one service to the end device.
    Type: Application
    Filed: December 26, 2013
    Publication date: June 26, 2014
    Applicant: KT Corporation
    Inventors: Jongho SHIN, Seonghyeon YANG, Du-seong CHANG
  • Publication number: 20140143809
    Abstract: In one example embodiment, a system includes an end device configured to transmit a user input; and a television apparatus configured to: receive the user input from the end device, determine a query that is associated with a function that is executable by the television apparatus, based at least in part on the user input, execute the function that corresponds to the determined query, and generate a reply to the determined query based at least in part on a result of the execution of the function.
    Type: Application
    Filed: November 22, 2013
    Publication date: May 22, 2014
    Applicant: KT Corporation
    Inventors: Joo-won SUNG, Du-seong CHANG
  • Publication number: 20130239053
    Abstract: The disclosure is related to a method for providing an interactive menu data for contents search. At least one query word may be generated based on user inputs at user equipment. A server may generate an interactive menu data based on the received at least one query word. The server may provide the generated interactive menu data to the user equipment.
    Type: Application
    Filed: March 8, 2013
    Publication date: September 12, 2013
    Applicant: KT CORPORATION
    Inventors: Du-Seong CHANG, Hyung-Keun KOO, Sang-Hee KIM, Joo-Won SUNG, Min-Jeung CHO