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).
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Patent number: 11809203Abstract: 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: GrantFiled: May 12, 2020Date of Patent: November 7, 2023Assignee: KOREA AEROSPACE RESEARCH INSTITUTEInventors: Youngshin Kang, Am Cho, Seongwook Choi, Yushin Kim, Sung Ho Chang
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Patent number: 11505315Abstract: 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: GrantFiled: April 12, 2019Date of Patent: November 22, 2022Inventors: Sung Ho Chang, Yu Shin Kim, Seong Wook Choi, Young Shin Kang, Am Cho
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Patent number: 11380025Abstract: 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: GrantFiled: November 6, 2018Date of Patent: July 5, 2022Assignee: RAY CO., LTDInventors: Sang Chul Lee, Sung Ho Chang
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Patent number: 11319664Abstract: 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: GrantFiled: September 12, 2019Date of Patent: May 3, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung Ho Chang, Yong Joon Jang, Jae Ryong Park, Kwon Chul Yun, Ju Yeong Kim
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Patent number: 11313070Abstract: 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: GrantFiled: September 11, 2019Date of Patent: April 26, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung Ho Chang, Dong Wook Kim, Kwon Chul Yun, Yong Joon Jang
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Publication number: 20210009264Abstract: 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: ApplicationFiled: April 12, 2019Publication date: January 14, 2021Inventors: Sung Ho Chang, Yu Shin Kim, Seong Wook Choi, Young Shin Kang, Am Cho
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Publication number: 20200279410Abstract: 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: ApplicationFiled: November 6, 2018Publication date: September 3, 2020Inventors: Sang Chul LEE, Sung Ho CHANG
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Publication number: 20200278701Abstract: 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: ApplicationFiled: May 12, 2020Publication date: September 3, 2020Applicant: KOREA AEROSPACE RESEARCH INSTITUTEInventors: Youngshin KANG, Am CHO, Seongwook CHOI, Yushin KIM, Sung Ho CHANG
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Patent number: 10696394Abstract: 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: GrantFiled: July 28, 2016Date of Patent: June 30, 2020Assignee: KOREA AEROSPACE RESEARCH INSTITUTEInventor: Sung Ho Chang
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Publication number: 20200080254Abstract: 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: ApplicationFiled: September 12, 2019Publication date: March 12, 2020Applicant: Samsung Electronics Co., Ltd.Inventors: Sung Ho CHANG, Yong Joon JANG, Jae Ryong PARK, Kwon Chul YUN, Ju Yeong KIM
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Publication number: 20200080250Abstract: 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: ApplicationFiled: September 11, 2019Publication date: March 12, 2020Applicant: Samsung Electronics Co., Ltd.Inventors: Sung Ho CHANG, Dong Wook KIM, Kwon Chul YUN, Yong Joon JANG
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Patent number: 10548557Abstract: 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: GrantFiled: October 15, 2015Date of Patent: February 4, 2020Assignee: 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
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Publication number: 20180186450Abstract: 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: ApplicationFiled: July 28, 2016Publication date: July 5, 2018Inventor: Sung Ho CHANG
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Patent number: 9936933Abstract: 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: GrantFiled: July 8, 2015Date of Patent: April 10, 2018Assignee: 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
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Patent number: 9775582Abstract: 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: GrantFiled: June 3, 2015Date of Patent: October 3, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventor: Sung-ho Chang
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Publication number: 20160106389Abstract: 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: ApplicationFiled: October 15, 2015Publication date: April 21, 2016Applicant: 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
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Publication number: 20160015350Abstract: 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: ApplicationFiled: June 3, 2015Publication date: January 21, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventor: Sung-ho CHANG
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Publication number: 20160007950Abstract: 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: ApplicationFiled: July 8, 2015Publication date: January 14, 2016Applicant: 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
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Patent number: 9107643Abstract: 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: GrantFiled: July 17, 2013Date of Patent: August 18, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Sung ho Chang
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Publication number: 20140072107Abstract: 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: ApplicationFiled: July 17, 2013Publication date: March 13, 2014Inventor: Sung ho CHANG