Patents by Inventor Dong-chan Park

Dong-chan 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).

  • Publication number: 20250078486
    Abstract: An electronic device for multimodal temporal-axis fusion artificial intelligence models is proposed. The electronic device comprises a storage unit, and a processor, wherein the processor may obtain a plurality of first visual features respectively corresponding to a plurality of different time points or time periods from a video, obtain a plurality of text features respectively corresponding to the plurality of time points or time periods from text, obtain a plurality of first local fusion features, respectively corresponding to the plurality of time points or time periods, from the plurality of first visual features and the plurality of text features by fusing the first visual features and the text features, which correspond to a same time point or time period, and obtain at least one global fusion feature from the plurality of first local fusion features.
    Type: Application
    Filed: August 20, 2024
    Publication date: March 6, 2025
    Applicant: PYLER CO., LTD.
    Inventors: Dong Chan PARK, Mobeen AHMAD
  • Publication number: 20250017552
    Abstract: A method of measuring a speed of blood flow from a radio frequency (RF) signal, including decomposing a complex signal converted from the RF signal into base signals using singular value decomposition, classifying the base signals into a clutter signal, a blood flow signal, and a noise signal, separating a clutter region and a blood flow region from the classified clutter signal and blood flow signal, obtaining an output signal by removing the blood flow signal from the clutter signal in the clutter region and by removing the clutter signal from the blood flow signal in the blood flow region, and measuring a speed of the blood flow by calculating speckle decorrelation from the output signal.
    Type: Application
    Filed: November 21, 2022
    Publication date: January 16, 2025
    Applicant: NATIONAL CANCER CENTER
    Inventors: Dae Woo PARK, Dong Chan PARK
  • Publication number: 20240233385
    Abstract: The present invention relates to an image security system and method utilizing CCTV and the like, and, to an image security system and method using multi-modal video captioning. The image security method according to an embodiment of the present invention comprises steps in which: a video caption unit generates, from vision data including image frames formed in order of time series constituting video data, a video caption related to an object behavior within the vision data for each time-series section of the vision data; and a behavior analysis unit determines whether the video caption is related to a preset dangerous behavior, and generates an alarm notifying of a dangerous situation if the object behavior is related to the dangerous behavior.
    Type: Application
    Filed: October 24, 2022
    Publication date: July 11, 2024
    Inventors: Se Eun KIM, Jae Ho OH, Dong Chan PARK
  • Publication number: 20230371921
    Abstract: The present invention relates to a method for analyzing ultrasound data obtained by passing through multiple layers, comprising the steps of: reducing noise in the ultrasound data; identifying an interface between layers by identifying the peak of the ultrasound data after removal of the noise; and differentiating each layer by identifying an attenuation coefficient of the ultrasound data after removal of the noise.
    Type: Application
    Filed: October 19, 2021
    Publication date: November 23, 2023
    Applicant: NATIONAL CANCER CENTER
    Inventors: Dae Woo PARK, Dong Chan PARK
  • Patent number: 11703561
    Abstract: A radar device for a vehicle, according to an embodiment of the present invention, comprises: a case; a first printed circuit board (PCB) that is accommodated in the case and has a plurality of antenna arrays and an integrated circuit (IC) chip that are formed thereon, wherein the IC chip is connected to the plurality of antenna arrays; and a radome that is coupled to the case and covers the first printed circuit board, wherein the radome includes: a cover facing the first printed circuit board; a first wall connected to the cover surface; and a second wall connected to the cover and facing the first wall, wherein the internal angle between the cover and the first wall and the internal angle between the cover and the second wall are formed to be greater than 90° and less than 180°.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: July 18, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Dong Chan Park
  • Publication number: 20220050171
    Abstract: A radar device for a vehicle, according to an embodiment of the present invention, comprises: a case; a first printed circuit board (PCB) that is accommodated in the case and has a plurality of antenna arrays and an integrated circuit (IC) chip that are formed thereon, wherein the IC chip is connected to the plurality of antenna arrays; and a radome that is coupled to the case and covers the first printed circuit board, wherein the radome includes: a cover facing the first printed circuit board; a first wall connected to the cover surface; and a second wall connected to the cover and facing the first wall, wherein the internal angle between the cover and the first wall and the internal angle between the cover and the second wall are formed to be greater than 90° and less than 180°.
    Type: Application
    Filed: August 30, 2021
    Publication date: February 17, 2022
    Inventor: Dong Chan PARK
  • Patent number: 11131750
    Abstract: A radar device for a vehicle, according to an embodiment of the present invention, comprises: a case; a first printed circuit board (PCB) that is accommodated in the case and has a plurality of antenna arrays and an integrated circuit (IC) chip that are formed thereon, wherein the IC chip is connected to the plurality of antenna arrays; and a radome that is coupled to the case and covers the first printed circuit board, wherein the radome includes: a cover facing the first printed circuit board; a first wall connected to the cover surface; and a second wall connected to the cover and facing the first wall, wherein the internal angle between the cover and the first wall and the internal angle between the cover and the second wall are formed to be greater than 90° and less than 180°.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: September 28, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Dong Chan Park
  • Patent number: 10852392
    Abstract: A self-calibration device for a vehicle radar, according to one embodiment of the present invention, comprises: a transmission part for outputting a transmission signal to a reflection plate disposed at the front of a vehicle; and a reception part for receiving a reception signal reflected by the reflection plate, wherein the reception part comprises: a phase correction part for correcting a phase of the reception signal; and an angle calculation part for setting the corrected phase as a reference value.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: December 1, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Dong Chan Park
  • Publication number: 20200033440
    Abstract: A radar device for a vehicle, according to an embodiment of the present invention, comprises: a case; a first printed circuit board (PCB) that is accommodated in the case and has a plurality of antenna arrays and an integrated circuit (IC) chip that are formed thereon, wherein the IC chip is connected to the plurality of antenna arrays; and a radome that is coupled to the case and covers the first printed circuit board, wherein the radome includes: a cover facing the first printed circuit board; a first wall connected to the cover surface; and a second wall connected to the cover and facing the first wall, wherein the internal angle between the cover and the first wall and the internal angle between the cover and the second wall are formed to be greater than 90° and less than 180°.
    Type: Application
    Filed: October 2, 2019
    Publication date: January 30, 2020
    Inventor: Dong Chan PARK
  • Patent number: 10473754
    Abstract: A radar device for a vehicle, according to an embodiment of the present invention, comprises: a case; a first printed circuit board (PCB) that is accommodated in the case and has a plurality of antenna arrays and an integrated circuit (IC) chip that are formed thereon, wherein the IC chip is connected to the plurality of antenna arrays; and a radome that is coupled to the case and covers the first printed circuit board, wherein the radome includes: a cover facing the first printed circuit board; a first wall connected to the cover surface; and a second wall connected to the cover and facing the first wall, wherein the internal angle between the cover and the first wall and the internal angle between the cover and the second wall are formed to be greater than 90° and less than 180°.
    Type: Grant
    Filed: September 16, 2015
    Date of Patent: November 12, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Dong Chan Park
  • Patent number: 10097018
    Abstract: A device and a method are provided. In a terminal capable of at least one of a wireless charging function and a near field communication (NFC) function, the device displays operation states of the functions via an e-skin unit. Wireless charging efficiency, a charging state, and a communication state may be selectively or totally displayed to a user.
    Type: Grant
    Filed: May 28, 2013
    Date of Patent: October 9, 2018
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Dong Chan Park, Do Youb Kwon
  • Publication number: 20180203097
    Abstract: A self-calibration device for a vehicle radar, according to one embodiment of the present invention, comprises: a transmission part for outputting a transmission signal to a reflection plate disposed at the front of a vehicle; and a reception part for receiving a reception signal reflected by the reflection plate, wherein the reception part comprises: a phase correction part for correcting a phase of the reception signal; and an angle calculation part for setting the corrected phase as a reference value.
    Type: Application
    Filed: July 8, 2016
    Publication date: July 19, 2018
    Applicant: LG INNOTEK CO., LTD.
    Inventor: Dong Chan PARK
  • Patent number: 9805874
    Abstract: Disclosed herein is an MEMS variable capacitor and its driving method, the MEMS variable capacitor including, a first electrode, a second electrode floating over the first electrode upper part, a fixed electrode separated at the second electrode side surface, and a drifting electrode placed between the second electrode and the fixed electrode, connected to the second electrode, and physically contacting the fixed electrode by a voltage applied to the fixed electrode.
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: October 31, 2017
    Assignees: LG INNOTEK CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Chang Wook Kim, Dong Chan Park, Ju Young Song, Sang Hun Lee, Sung Bae Cho, Hyun Ho Yang, Jun Bo Yoon, Dong Hoon Choi, Chang Hoon Han
  • Publication number: 20170307724
    Abstract: A radar device for a vehicle, according to an embodiment of the present invention, comprises: a case; a first printed circuit board (PCB) that is accommodated in the case and has a plurality of antenna arrays and an integrated circuit (IC) chip that are formed thereon, wherein the IC chip is connected to the plurality of antenna arrays; and a radome that is coupled to the case and covers the first printed circuit board, wherein the radome includes: a cover facing the first printed circuit board; a first wall connected to the cover surface; and a second wall connected to the cover and facing the first wall, wherein the internal angle between the cover and the first wall and the internal angle between the cover and the second wall are formed to be greater than 90° and less than 180°.
    Type: Application
    Filed: September 16, 2015
    Publication date: October 26, 2017
    Applicant: LG Innotek Co., Ltd.
    Inventor: Dong Chan Park
  • Patent number: 9418794
    Abstract: Disclosed is a MEMS variable capacitor, the capacitor including a first electrode, a second electrode that is floated on an upper surface of the first electrode, and a third electrode capable of variably-adjusting a capacitance value by adjusting a gap between the first electrode and the second electrode.
    Type: Grant
    Filed: June 1, 2011
    Date of Patent: August 16, 2016
    Assignees: LG INNOTEK CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Chang Wook Kim, Dong Chan Park, Ju Young Song, Sang Hun Lee, Sung Bae Cho, Hyun Ho Yang, Jun Bo Yoon, Dong Hun Choi, Chang Hun Han
  • Patent number: 9166551
    Abstract: An apparatus and method for matching impedance of an antenna by using Standing Wave Ratio (SWR) information is provided. While the impedance of the impedance matching unit is controlled, a region of a Smith chart in which initial total impedance of the impedance matching unit and the antenna is located by using an SWR calculated by an SWR operation unit, and the impedance of the impedance matching unit is controlled according to the determined region, thus correctly matching the impedance of the antenna.
    Type: Grant
    Filed: July 12, 2011
    Date of Patent: October 20, 2015
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Hun Lee, Sung Bae Cho, Dong Chan Park, Chang Wook Kim, Ju Young Song, Hyeong Seok Jang, Jong Won Yu
  • Patent number: 8975982
    Abstract: Provided is a transmission and reception signal detecting apparatus, which includes a directional coupler and a signal detecting part. The directional coupler includes a first port and a second port. The signal detecting part is connected to the first and second ports of the directional coupler and detects an output of a first signal transmitted through the first port and an output of a second signal transmitted through the second port. The signal detecting part is connected to the first port under a first operation condition. The signal detecting part is connected to the second port under a second operation condition.
    Type: Grant
    Filed: June 29, 2011
    Date of Patent: March 10, 2015
    Assignee: LG Innotek Co., Ltd.
    Inventor: Dong Chan Park
  • Patent number: 8659868
    Abstract: Disclosed herein is a variable capacitor and its driving method, the variable capacitor including, a movable first electrode; and a second electrode formed with an insulating film, fixed in place, and its insulating film contacting the first electrode that is moved.
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: February 25, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventors: Chang Wook Kim, Dong Chan Park, Ju Young Song, Sang Hun Lee, Sung Bae Cho, Hyun Ho Yang, Jun Bo Yoon, Dong Hun Choi, Chang Hun Han
  • Publication number: 20130335037
    Abstract: A device and a method are provided. In a terminal capable of at least one of a wireless charging function and a near field communication (NFC) function, the device displays operation states of the functions via an e-skin unit. Wireless charging efficiency, a charging state, and a communication state may be selectively or totally displayed to a user.
    Type: Application
    Filed: May 28, 2013
    Publication date: December 19, 2013
    Inventors: Dong Chan PARK, Do Youb KWON
  • Publication number: 20130135786
    Abstract: Disclosed herein is a variable capacitor and its driving method, the variable capacitor including, a movable first electrode; and a second electrode formed with an insulating film, fixed in place, and its insulating film contacting the first electrode that is moved.
    Type: Application
    Filed: May 27, 2011
    Publication date: May 30, 2013
    Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, LG INNOTEK CO., LTD.
    Inventors: Chang Wook Kim, Dong Chan Park, Ju Young Song, Sang Hun Lee, Sung Bae Cho, Hyun Ho Yang, Jun Bo Yoon, Dong Hun Choi, Chang Hun Han