Patents by Inventor Sung Ho Chang

Sung Ho 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: 11809203
    Abstract: Provided is a vertical take-off/landing aircraft controlling a tilt angle of a main rotor, based on a vertical posture control signal during low-speed flight, wherein, when an aircraft steering signal including a vertical posture control signal for changing the pitch posture angle of the vertical take-off/landing aircraft by a first pitch posture angle is obtained, a flight controller determines a tilt angle of the main rotor with reference to the first pitch posture angle and generates a tilt angle control signal for the main rotor based on the determined tilt angle.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: November 7, 2023
    Assignee: KOREA AEROSPACE RESEARCH INSTITUTE
    Inventors: Youngshin Kang, Am Cho, Seongwook Choi, Yushin Kim, Sung Ho Chang
  • Patent number: 11505315
    Abstract: The flying object according to one embodiment comprises: a main body; a main wing formed on a side surface of the main body; a duct-shaped first propulsion part which is provided outside the main wing and can be tilted; a second propulsion part arranged behind the main body; horizontal tail wings formed on both side surfaces of the second propulsion part; and a control part for controlling the movement of the first propulsion part, second propulsion part, and horizontal tail wings, wherein the control part controls the second propulsion part and the horizontal tail wings according to the tilt angle of the first propulsion part.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: November 22, 2022
    Inventors: Sung Ho Chang, Yu Shin Kim, Seong Wook Choi, Young Shin Kang, Am Cho
  • Patent number: 11380025
    Abstract: The present invention relates to scatter correction method and apparatus for dental cone-beam CT. An object of the present invention is improving quality of reconstructed images by processing the scatter correction by learning which uses Monte Carlo simulation and artificial neural network.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: July 5, 2022
    Assignee: RAY CO., LTD
    Inventors: Sang Chul Lee, Sung Ho Chang
  • Patent number: 11319664
    Abstract: A clothes care apparatus includes a body including a clothes care compartment and a machine room arranged under the clothes care compartment, a steam generation device configured to generate steam, a steam injector including a steam injection port configured to receive the steam from the steam generation device and inject the steam into an inside of the clothes care compartment, and a condensed water outlet configured to discharge condensed water from the steam into the inside of the clothes care compartment, and a drain hole provided in the clothes care compartment below the condensed water outlet to connect the clothes care compartment to the machine room so as to allow the condensed water discharged from the condensed water outlet to flow into the machine room.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: May 3, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Ho Chang, Yong Joon Jang, Jae Ryong Park, Kwon Chul Yun, Ju Yeong Kim
  • Patent number: 11313070
    Abstract: Disclosed is a clothes care apparatus including a holder unit improved to support a rack. The clothes care apparatus a main body including a care compartment for accommodating clothes, a rack detachably disposed inside the care compartment, and a holder unit configured to support the rack and including a housing coupled to the care compartment and a holder rotatably provided to be received in the housing or protrude from the housing.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: April 26, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Ho Chang, Dong Wook Kim, Kwon Chul Yun, Yong Joon Jang
  • Publication number: 20210009264
    Abstract: The flying object according to one embodiment comprises: a main body; a main wing formed on a side surface of the main body; a duct-shaped first propulsion part which is provided outside the main wing and can be tilted; a second propulsion part arranged behind the main body; horizontal tail wings formed on both side surfaces of the second propulsion part; and a control part for controlling the movement of the first propulsion part, second propulsion part, and horizontal tail wings, wherein the control part controls the second propulsion part and the horizontal tail wings according to the tilt angle of the first propulsion part.
    Type: Application
    Filed: April 12, 2019
    Publication date: January 14, 2021
    Inventors: Sung Ho Chang, Yu Shin Kim, Seong Wook Choi, Young Shin Kang, Am Cho
  • Publication number: 20200279410
    Abstract: The present invention relates to scatter correction method and apparatus for dental cone-beam CT. An object of the present invention is improving quality of reconstructed images by processing the scatter correction by learning which uses Monte Carlo simulation and artificial neural network.
    Type: Application
    Filed: November 6, 2018
    Publication date: September 3, 2020
    Inventors: Sang Chul LEE, Sung Ho CHANG
  • Publication number: 20200278701
    Abstract: Provided is a vertical take-off/landing aircraft controlling a tilt angle of a main rotor, based on a vertical posture control signal during low-speed flight, wherein, when an aircraft steering signal including a vertical posture control signal for changing the pitch posture angle of the vertical take-off/landing aircraft by a first pitch posture angle is obtained, a flight controller determines a tilt angle of the main rotor with reference to the first pitch posture angle and generates a tilt angle control signal for the main rotor based on the determined tilt angle.
    Type: Application
    Filed: May 12, 2020
    Publication date: September 3, 2020
    Applicant: KOREA AEROSPACE RESEARCH INSTITUTE
    Inventors: Youngshin KANG, Am CHO, Seongwook CHOI, Yushin KIM, Sung Ho CHANG
  • Patent number: 10696394
    Abstract: A first embodiment relates to a shape-reconfigurable drone and, more specifically, to a shape-reconfigurable drone comprising unit module drones having a rectangular-parallelepiped body capable of applying a thrust in every direction, thereby being capable of flying horizontally without rotating the drone and of forming a drone assembly formed by the coupling of the unit module drones, and thus can fly solo or can fly in various shapes.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: June 30, 2020
    Assignee: KOREA AEROSPACE RESEARCH INSTITUTE
    Inventor: Sung Ho Chang
  • Publication number: 20200080254
    Abstract: A clothes care apparatus includes a body including a clothes care compartment and a machine room arranged under the clothes care compartment, a steam generation device configured to generate steam, a steam injector including a steam injection port configured to receive the steam from the steam generation device and inject the steam into an inside of the clothes care compartment, and a condensed water outlet configured to discharge condensed water from the steam into the inside of the clothes care compartment, and a drain hole provided in the clothes care compartment below the condensed water outlet to connect the clothes care compartment to the machine room so as to allow the condensed water discharged from the condensed water outlet to flow into the machine room.
    Type: Application
    Filed: September 12, 2019
    Publication date: March 12, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sung Ho CHANG, Yong Joon JANG, Jae Ryong PARK, Kwon Chul YUN, Ju Yeong KIM
  • Publication number: 20200080250
    Abstract: Disclosed is a clothes care apparatus including a holder unit improved to support a rack. The clothes care apparatus a main body including a care compartment for accommodating clothes, a rack detachably disposed inside the care compartment, and a holder unit configured to support the rack and including a housing coupled to the care compartment and a holder rotatably provided to be received in the housing or protrude from the housing.
    Type: Application
    Filed: September 11, 2019
    Publication date: March 12, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sung Ho CHANG, Dong Wook KIM, Kwon Chul YUN, Yong Joon JANG
  • Patent number: 10548557
    Abstract: An X-ray apparatus includes a controller controlling generation of an X-ray and adjusting at least one of a plurality of image frames generated based on the X-ray passed through an object, and an X-ray generator generating the X-ray. The X-ray corresponds to a pulse signal including a plurality of pulses, in which at least one of a pulse rate or a pulse amplitude is variable.
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: February 4, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-guyn Lim, Seong-deok Lee, Sung-ho Chang, Min-hyung Chung, Woo-sup Han, Eung-bum Kim, Woo-young Jang
  • Publication number: 20180186450
    Abstract: A first embodiment relates to a shape-reconfigurable drone and, more specifically, to a shape-reconfigurable drone comprising unit module drones having a rectangular-parallelepiped body capable of applying a thrust in every direction, thereby being capable of flying horizontally without rotating the drone and of forming a drone assembly formed by the coupling of the unit module drones, and thus can fly solo or can fly in various shapes.
    Type: Application
    Filed: July 28, 2016
    Publication date: July 5, 2018
    Inventor: Sung Ho CHANG
  • Patent number: 9936933
    Abstract: An X-ray apparatus includes: a collimator for adjusting an X-ray irradiation region; a data obtainer for obtaining position information of a target in an object based on an electrode signal sensed from electrodes attached to the object; and a controller for setting first coordinates indicating a position of the target on a first coordinate system with respect to the object based on the position information, transforming the first coordinates to second coordinates on a second coordinate system with respect to an X-ray image of the object, and adjusting a position of the collimator based on the second coordinates.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: April 10, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-guyn Lim, Sung-ho Chang, Eung-bum Kim, Woo-young Jang, Wan-hee Chun, Hyun Choi, Woo-sup Han
  • Patent number: 9775582
    Abstract: Provided is a medical image photographing apparatus, including: an X-ray generator configured to radiate an X-ray toward an object that is located in a three-dimensional (3D) virtual grid space which includes a plurality of voxels; an X-ray detector comprising a plurality of detecting elements and configured to detect the X-ray that has propagated through the object; and an image processor configured to process projection image data corresponding to the detected X-ray based on a volume of a first region within the plurality of voxels, through which the X-ray propagates.
    Type: Grant
    Filed: June 3, 2015
    Date of Patent: October 3, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Sung-ho Chang
  • Publication number: 20160106389
    Abstract: An X-ray apparatus includes a controller controlling generation of an X-ray and adjusting at least one of a plurality of image frames generated based on the X-ray passed through an object, and an X-ray generator generating the X-ray. The X-ray corresponds to a pulse signal including a plurality of pulses, in which at least one of a pulse rate or a pulse amplitude is variable.
    Type: Application
    Filed: October 15, 2015
    Publication date: April 21, 2016
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jae-guyn LIM, Seong-deok LEE, Sung-ho CHANG, Min-hyung CHUNG, Woo-sup HAN, Eung-bum KIM, Woo-young JANG
  • Publication number: 20160015350
    Abstract: Provided is a medical image photographing apparatus, including: an X-ray generator configured to radiate an X-ray toward an object that is located in a three-dimensional (3D) virtual grid space which includes a plurality of voxels; an X-ray detector comprising a plurality of detecting elements and configured to detect the X-ray that has propagated through the object; and an image processor configured to process projection image data corresponding to the detected X-ray based on a volume of a first region within the plurality of voxels, through which the X-ray propagates.
    Type: Application
    Filed: June 3, 2015
    Publication date: January 21, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Sung-ho CHANG
  • Publication number: 20160007950
    Abstract: An X-ray apparatus includes: a collimator for adjusting an X-ray irradiation region; a data obtainer for obtaining position information of a target in an object based on an electrode signal sensed from electrodes attached to the object; and a controller for setting first coordinates indicating a position of the target on a first coordinate system with respect to the object based on the position information, transforming the first coordinates to second coordinates on a second coordinate system with respect to an X-ray image of the object, and adjusting a position of the collimator based on the second coordinates.
    Type: Application
    Filed: July 8, 2015
    Publication date: January 14, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-guyn LIM, Sung-ho CHANG, Eung-bum KIM, Woo-young JANG, Wan-hee CHUN, Hyun CHOI, Woo-sup HAN
  • Patent number: 9107643
    Abstract: An X-ray detection system includes an X-ray generation device and an X-ray detector. The X-ray generation device includes an X-ray emission unit and a first sensor unit. The X-ray detector includes an X-ray reception unit for receiving X-rays from the X-ray emission unit, a data detection unit for detecting data from the X-ray reception unit, a second sensor unit, a computation unit for computing correction data using a distance between the first sensor unit and the second sensor unit, and a data correction unit for receiving a data signal from the data detection unit, receiving the correction data from the computation unit, and then generating corrected data.
    Type: Grant
    Filed: July 17, 2013
    Date of Patent: August 18, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Sung ho Chang
  • Publication number: 20140072107
    Abstract: An X-ray detection system includes an X-ray generation device and an X-ray detector. The X-ray generation device includes an X-ray emission unit and a first sensor unit. The X-ray detector includes an X-ray reception unit for receiving X-rays from the X-ray emission unit, a data detection unit for detecting data from the X-ray reception unit, a second sensor unit, a computation unit for computing correction data using a distance between the first sensor unit and the second sensor unit, and a data correction unit for receiving a data signal from the data detection unit, receiving the correction data from the computation unit, and then generating corrected data.
    Type: Application
    Filed: July 17, 2013
    Publication date: March 13, 2014
    Inventor: Sung ho CHANG