Patents by Inventor Changkun Park

Changkun 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).

  • Patent number: 11500609
    Abstract: A content reproducing electronic apparatus includes a communicator including circuitry, an audio output device, and a processor configured to receive state information indicating a state of an external electronic apparatus from the external electronic apparatus located around the electronic apparatus via the communicator, obtain noise information corresponding to the received state information, and control the audio output device to output an audio signal of a content based on a volume corresponding to the obtained noise information.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: November 15, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byeol Park, Gohwoon Jeong, Sangshin Park, Changkun Park, Daewon Yoon, Heeran Lee, Namsu Ha
  • Patent number: 11450127
    Abstract: An electronic apparatus including a display is disclosed. The electronic apparatus, based on text information including a plurality of words being input via an input unit, obtain an input claim based on the text information, determine novelty of the input claim by inputting the input claim to a first neural network model, and based on the input claim being novel, determine inventiveness of the input claim by inputting the input claim to a second neural network model.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: September 20, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Anant Baijal, Changkun Park, Jeongrok Jang, Jaehwang Lee
  • Publication number: 20220283435
    Abstract: A multi-degree of freedom (DOF) moving stage includes: an end-effector; three driven links pivotably connected to the end-effector at angular intervals from each other; three driving links pivotably connected to the three driven links, respectively; and three actuators configured to drive the three driving links, respectively. Each of the three driven links includes first to fourth arms arranged at intervals; and a flexible member that connects the first to fourth arms to each other in a parallelogram shape across the intervals and forms pivotable joints at the intervals.
    Type: Application
    Filed: November 29, 2021
    Publication date: September 8, 2022
    Applicants: SAMSUNG ELECTRONICS CO., LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Jangwoo YOU, Kyujin CHO, Changkun LEE, Hongseok LEE, Jesung KOH, Yongmin PARK, Sunpil JEONG
  • Patent number: 11424845
    Abstract: An electronic apparatus includes an interface circuitry; a display; a memory storing one or more instructions; and a processor configured to execute the one or more instructions to: receive a broadcast signal of any one of a plurality of channels through the interface circuitry, control the display to display an image of a content based on the received broadcast signal, identify timing when the content switches from a first content to a second content having a different type than the first content based on a change in a video characteristic defined corresponding to the type of the content, and perform a first operation related to the second content based on the identified timing.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: August 23, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byeol Park, Daewon Yoon, Gohwoon Jeong, Sangshin Park, Changkun Park
  • Patent number: 11355089
    Abstract: A display apparatus includes a display and a processor. The processor is configured to obtain information related to a use environment of the display apparatus, obtain a first image, identify a style among a plurality of styles which are applicable to the first image, based on the information related to the use environment, obtain a second image which is converted from the first image based on information related to the identified style, and control the display to display the second image.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: June 7, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeongrok Jang, Changkun Park, Jaehwang Lee
  • Patent number: 11322118
    Abstract: A display apparatus includes a display and a processor. The processor is configured to obtain information related to a use environment of the display apparatus, obtain a first image, identify a style among a plurality of styles which are applicable to the first image, based on the information related to the use environment, obtain a second image which is converted from the first image based on information related to the identified style, and control the display to display the second image.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: May 3, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeongrok Jang, Changkun Park, Jaehwang Lee
  • Publication number: 20210266083
    Abstract: An electronic apparatus includes an interface circuitry; a display; a memory storing one or more instructions; and a processor configured to execute the one or more instructions to: receive a broadcast signal of any one of a plurality of channels through the interface circuitry, control the display to display an image of a content based on the received broadcast signal, identify timing when the content switches from a first content to a second content having a different type than the first content based on a change in a video characteristic defined corresponding to the type of the content, and perform a first operation related to the second content based on the identified timing.
    Type: Application
    Filed: February 24, 2021
    Publication date: August 26, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byeol PARK, Daewon YOON, Gohwoon JEONG, Sangshin PARK, Changkun PARK
  • Publication number: 20210201146
    Abstract: The disclosure relates to an artificial intelligence (AI) system, which imitates functions of the human brain, such as recognition and determination, using a machine learning algorithm such as deep learning, and an application thereof. A computing device includes: a memory storing one or more instructions; and a processor configured to execute the one or more instructions stored in the memory to execute the one or more instructions to: using at least one neural network, infer user-preferred item candidates and user tastes based on user information; and select and provide an item suited to the user tastes from among the user-preferred item candidates.
    Type: Application
    Filed: December 11, 2020
    Publication date: July 1, 2021
    Inventors: Daewon Yoon, Jinhyun Kim, Byeol Park, Sangshin Park, Changkun Park, Gohwoon Jeong
  • Publication number: 20210117669
    Abstract: An electronic apparatus including a display is disclosed. The electronic apparatus, based on text information including a plurality of words being input via an input unit, obtain an input claim based on the text information, determine novelty of the input claim by inputting the input claim to a first neural network model, and based on the input claim being novel, determine inventiveness of the input claim by inputting the input claim to a second neural network model.
    Type: Application
    Filed: August 24, 2020
    Publication date: April 22, 2021
    Inventors: Anant BAIJAL, Changkun PARK, Jeongrok JANG, Jaehwang LEE
  • Publication number: 20210026592
    Abstract: A content reproducing electronic apparatus includes a communicator including circuitry, an audio output device, and a processor configured to receive state information indicating a state of an external electronic apparatus from the external electronic apparatus located around the electronic apparatus via the communicator, obtain noise information corresponding to the received state information, and control the audio output device to output an audio signal of a content based on a volume corresponding to the obtained noise information.
    Type: Application
    Filed: July 20, 2020
    Publication date: January 28, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byeol PARK, Gohwoon Jeong, Sangshin Park, Changkun Park, Daewon Yoon, Heeran Lee, Namsu Ha
  • Publication number: 20210027748
    Abstract: A display apparatus includes a display and a processor. The processor is configured to obtain information related to a use environment of the display apparatus, obtain a first image, identify a style among a plurality of styles which are applicable to the first image, based on the information related to the use environment, obtain a second image which is converted from the first image based on information related to the identified style, and control the display to display the second image.
    Type: Application
    Filed: July 21, 2020
    Publication date: January 28, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeongrok JANG, Changkun Park, Jaehwang Lee
  • Patent number: 7592865
    Abstract: Disclosed herein is a power amplifier using a power combiner, which is capable of minimizing power loss and improving efficiency of the power amplifier with a large output power, by combining powers generated by a plurality of power amplifiers used in a wireless communication system using a transmission line transformer.
    Type: Grant
    Filed: October 19, 2007
    Date of Patent: September 22, 2009
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Changkun Park, Songcheol Hong
  • Patent number: 7554401
    Abstract: A power amplifier based on a voltage-coupling scheme is disclosed. The power amplifier includes two active elements connected to each other via a primary part of a transformer, in which one of the two active elements is connected to a power-supply voltage of the amplifier, the other one is connected to a ground terminal of the amplifier, and an output power appears in a secondary part of the transformer. Therefore, a potential difference between ports of the active elements is decreased, resulting in increased reliability of the power amplifier.
    Type: Grant
    Filed: June 14, 2007
    Date of Patent: June 30, 2009
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Changkun Park, Ki Yong Son, Songcheol Hong
  • Patent number: 7548134
    Abstract: A transmission line transformer is disclosed. The transformer improves efficiency and a dynamic range of a power amplifier. The transformer is formed to have a plurality of load impedances as the primary side of the transmission line transformer is separated to form a plurality of primary transmission lines with parasitic components which are different from each other. The transformer is used as an impedance matching circuit of the power amplifier requiring a plurality of load impedances.
    Type: Grant
    Filed: April 10, 2006
    Date of Patent: June 16, 2009
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Changkun Park, Younsuk Kim, Songcheol Hong
  • Patent number: 7498877
    Abstract: A power amplifier with automatic switching functions is disclosed. The power amplifier can variably control output power of circuits as all of the circuits are operated when relatively large power is needed, and the circuits are partially turned off when relatively small power is needed, according to magnitude of an envelope signal, such that the circuits can be smoothly and automatically switched so as not to affect operations of the circuit, and to improve efficiency and operation range thereof, as parts of the circuit can be turned off/on depending on magnitudes of output power.
    Type: Grant
    Filed: April 10, 2006
    Date of Patent: March 3, 2009
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Changkun Park, Songcheol Hong
  • Publication number: 20090009241
    Abstract: Disclosed herein is a power amplifier using a power combiner, which is capable of minimizing power loss and improving efficiency of the power amplifier with a large output power, by combining powers generated by a plurality of power amplifiers used in a wireless communication system using a transmission line transformer.
    Type: Application
    Filed: October 19, 2007
    Publication date: January 8, 2009
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Changkun Park, Songcheol Hong
  • Patent number: 7420424
    Abstract: Disclosed herein is a power amplifier which is used in a wireless communication system and is capable of improving efficiency in an entire output power range and extending the dynamic range without additional switches, by including a drive amplification unit and a power amplification unit, connecting the drive amplification and the power amplification unit to a matching circuit, and a power coupler included in a transmission line transformer such that the drive amplification unit drives the power amplification unit, or directly outputs power to an output terminal, through the transmission line transformer, that is, the output power of the drive amplification unit is outputted to a load by switching on/off the power amplification unit and the drive amplification unit.
    Type: Grant
    Filed: March 22, 2007
    Date of Patent: September 2, 2008
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Changkun Park, Songcheol Hong
  • Publication number: 20080007335
    Abstract: A power amplifier based on a voltage-coupling scheme is disclosed. The power amplifier includes two active elements connected to each other via a primary part of a transformer, in which one of the two active elements is connected to a power-supply voltage of the amplifier, the other one is connected to a ground terminal of the amplifier, and an output power appears in a secondary part of the transformer. Therefore, a potential difference between ports of the active elements is decreased, resulting in increased reliability of the power amplifier.
    Type: Application
    Filed: June 14, 2007
    Publication date: January 10, 2008
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Changkun Park, Ki Yong Son, Songcheol Hong
  • Publication number: 20070268070
    Abstract: Disclosed herein is a power amplifier which is used in a wireless communication system and is capable of improving efficiency in an entire output power range and extending the dynamic range without additional switches, by including a drive amplification unit and a power amplification unit, connecting the drive amplification and the power amplification unit to a matching circuit, and a power coupler included in a transmission line transformer such that the drive amplification unit drives the power amplification unit, or directly outputs power to an output terminal, through the transmission line transformer, that is, the output power of the drive amplification unit is outputted to a load by switching on/off the power amplification unit and the drive amplification unit.
    Type: Application
    Filed: March 22, 2007
    Publication date: November 22, 2007
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Changkun Park, Songcheol Hong
  • Publication number: 20060244524
    Abstract: A power amplifier with automatic switching functions is disclosed. The power amplifier can variably control output power of circuits as all of the circuits are operated when relatively large power is needed, and the circuits are partially turned off when relatively small power is needed, according to magnitude of an envelope signal, such that the circuits can be smoothly and automatically switched so as not to affect operations of the circuit, and to improve efficiency and operation range thereof, as parts of the circuit can be turned off/on depending on magnitudes of output power.
    Type: Application
    Filed: April 10, 2006
    Publication date: November 2, 2006
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Changkun Park, Songcheol Hong