Patents by Inventor Jin Young Hwang

Jin Young Hwang 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: 10473742
    Abstract: A magnetic resonance imaging apparatus includes a radio frequency (RF) controller configured to, during a repetition time (TR) period among TR periods, apply at least one RF pulse corresponding to a first slice to an object, and apply a navigator RF pulse corresponding to a second slice adjacent to the first slice to the object, a data obtainer configured to, during the TR period, obtain first k-space data corresponding to the applied at least one RF pulse, and obtain second k-space data corresponding to the applied navigator RF pulse, and an image processor configured to generate navigator images, based on pieces of second k-space data that are obtained during the TR periods, the pieces comprising the second k-space obtained during the TR period, correct the first k-space data, based on the navigator images, and generate a magnetic resonance image of the first slice, based on the corrected first k-space data.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: November 12, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joon-sung Choi, Jin-young Hwang
  • Patent number: 10443718
    Abstract: A hydraulic control system of an automatic transmission for a vehicle provided with an ISG system is disclosed. The hydraulic control system supplies hydraulic pressure to first and second friction members operated at a gear stage where starting control is performed. In particular, the hydraulic control system includes: a mechanical hydraulic pump; an electric hydraulic pump; first and second linear solenoid valves to control hydraulic pressure generated by the mechanical pump; first and second switch valves to selectively supply the controlled hydraulic pressure to the first and second friction members, respectively; and a third switch valve to selectively supply a portion of the hydraulic pressure of the first friction member to the second friction member.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: October 15, 2019
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventor: Jin Young Hwang
  • Publication number: 20190291982
    Abstract: A tray unit assembly includes a housing, a separating/stacking unit, a tray unit and an elevating member. The separating/stacking unit includes a separating roller unit and a stacking roller unit provided in the housing. The tray unit is provided to be inserted into the housing and includes a first tray body fixed to the housing when the tray unit is inserted into the housing, and a second tray body connected to the first tray body to be slidable in a vertical direction and having a media stacking space formed therein. The elevating member is disposed to be movable up and down and configured to be in contact with a bottom surface of the second tray body to move the second tray body toward the stacking roller unit or the separating roller unit.
    Type: Application
    Filed: March 18, 2019
    Publication date: September 26, 2019
    Inventors: Jin Young HWANG, Kyoung Soo KIM, Seung Soo LEE, Young Dae SEO, Hye Bin OH
  • Publication number: 20190293176
    Abstract: A method for controlling a pulley of a vehicle having a continuously variable transmission may include: determining, by a controller, a pulley target torque and a target pulley ratio, upon detecting disturbance of the vehicle; determining, by the controller, target pressures of a driving pulley and a driven pulley based on the pulley target torque and the target pulley ratio and comparing the target pressures with each other; and controlling, by the controller, a pressure of a pulley having a larger target pressure in the comparing to be a maximum pressure generatable depending on a traveling situation of the vehicle and controlling a pressure of the other pulley to be increased to a correction pressure for implementing the target pulley ratio.
    Type: Application
    Filed: September 17, 2018
    Publication date: September 26, 2019
    Applicants: Hyundai Motor Company, Kia Motors Corp.
    Inventor: Jin Young HWANG
  • Patent number: 10365341
    Abstract: An MRI method includes: defining image regions on an object; setting imaging conditions for the defined image regions; and acquiring MR images for the image regions according to the set imaging conditions. The imaging conditions may be set by displaying information about the defined image regions and setting the imaging conditions for the image regions based on the displayed information.
    Type: Grant
    Filed: September 17, 2013
    Date of Patent: July 30, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Keum-yong Oh, Sang-young Zho, Sang-heum Cho, Jin-young Hwang
  • Patent number: 10302728
    Abstract: A magnetic resonance imaging apparatus includes a signal transceiver, and a sequence controller configured to control the signal transceiver to apply an RF pulse and a gradient magnetic field to a first portion of an object, wait for blood to flow from the first portion of the object to which the RF pulse and the gradient magnetic field are applied, to a second portion of the object, and apply the RF pulse and the gradient magnetic field to the second portion of the object to which the blood flows, using a 3D balanced steady-state free precession (bSSFP), and subsample first magnetic resonance data from the second portion of the object to which the RF pulse and the gradient magnetic field are applied. The apparatus further includes an image processor configured to generate label image data based on the first magnetic resonance data.
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: May 28, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin-young Hwang, Joon-soo Kim
  • Patent number: 10300915
    Abstract: A method for controlling an automatic transmission includes reducing, by a controller, a number of rotation of the engine connected to the automatic transmission to the first number of rotation when a shifting of the automatic transmission is started. The method further includes reducing, by the controller, a line pressure that is a hydraulic pressure of a flow line that operates the automatic transmission when the shifting of the automatic transmission is started.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: May 28, 2019
    Assignee: HYUNDAI MOTOR COMPANY
    Inventor: Jin Young Hwang
  • Publication number: 20190154145
    Abstract: A control method for a continuously variable transmission is disclosed to improve shifting stability. The control method may include: determining by a controller whether a shift by controlling the pulley is required, determining whether the control of the pulley for the shift generates a pressure fluctuation which is greater than or equal to a predetermined level, calculating a required hydraulic pressure varying amount for varying a hydraulic pressure to a target hydraulic pressure, adding additional hydraulic pressure to the required hydraulic pressure varying amount so as to increase the hydraulic pressure, and decreasing the increased hydraulic pressure to the target hydraulic pressure.
    Type: Application
    Filed: April 4, 2018
    Publication date: May 23, 2019
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventor: Jin Young HWANG
  • Patent number: 10213131
    Abstract: A method of generating a medical resonance image and a medical imaging apparatus using the same are provided. The medical imaging apparatus includes a signal controller configured to determine flip angles respectively corresponding to radio frequency (RF) refocusing pulses included in a fast spin-echo (FSE) pulse sequence, based on a pseudo-steady state model of a flip angle schedule. The medical imaging apparatus further includes an RF transmitter configured to apply an RF excitation pulse to an object, and apply the RF refocusing pulses to the object based on the determined flip angles. The medical imaging apparatus further includes an image processor configured to generate a magnetic resonance (MR) image based on an MR signal that is received from the object.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: February 26, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hoonjae Lee, Jin-young Hwang
  • Publication number: 20190042551
    Abstract: An artificial intelligence system using a machine learning algorithm for providing summary information of a document input to an artificial intelligence learning model trained to obtain summary information.
    Type: Application
    Filed: August 1, 2018
    Publication date: February 7, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventor: Jin-young HWANG
  • Publication number: 20190025390
    Abstract: Provided is a shimming method performed by a magnetic resonance imaging (MRI) apparatus, the shimming method including applying a magnetic field and a high frequency to an object through a bore of the MRI apparatus including at least one magnet and an RF coil and obtaining a static magnetic field map corresponding to the magnetic field formed in the bore; performing shimming using a plurality of shim channels based on the static magnetic field map; receiving a free induction decay (FID) signal from the RF coil; and determining a state of the magnetic field based on the FID signal and controlling whether to stop shimming based on the determined state.
    Type: Application
    Filed: September 27, 2016
    Publication date: January 24, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Jin-young HWANG
  • Patent number: 10161520
    Abstract: A hydraulic control system of an automatic transmission for a vehicle provided with an idle stop and go (ISG) system includes a mechanical hydraulic pump driven by a torque of an engine, the mechanical hydraulic pump pumping a fluid stored in an oil pan, a regulator valve, a manual valve, a linear solenoid valve for controlling the hydraulic pressure supplied from the manual valve through the second hydraulic line and for supplying the controlled hydraulic pressure to a third hydraulic line, a switch valve, and an electric hydraulic pump driven by electric energy for pumping the fluid stored in the oil pan through a fifth hydraulic line and for feeding the pumped fluid to a sixth hydraulic line connected to the fourth hydraulic line.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: December 25, 2018
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Jin Young Hwang, Min Jae Chai, Se Hwan Jo
  • Patent number: 10024422
    Abstract: The present disclosure relates to a method for controlling a lock-up clutch of an automatic transmission. The method includes: a detecting step of detecting, by a controller, a current signal applied to a solenoid valve of an engaging element when a gear change operation begins; and a first increasing control step of controlling, by the controller, an amount of current that is applied to a solenoid valve of a lock-up clutch during an initial fill time period when it is determined that the current signal is applied to the solenoid valve of the engaging element. In particular, the solenoid valve of the engaging element is used to form a gear stage, and the controller increases the amount of current to a predetermined level for a predetermined period of time.
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: July 17, 2018
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Min Jae Chai, Se Hwan Jo, Kyung Moo Lee, Chang Wook Lee, Won Ho Kim, Bong Uk Bae, Jin Young Hwang
  • Publication number: 20180163866
    Abstract: A hydraulic control system of an automatic transmission for a vehicle provided with an idle stop and go (ISG) system includes a mechanical hydraulic pump driven by a torque of an engine, the mechanical hydraulic pump pumping a fluid stored in an oil pan, a regulator valve, a manual valve, a linear solenoid valve for controlling the hydraulic pressure supplied from the manual valve through the second hydraulic line and for supplying the controlled hydraulic pressure to a third hydraulic line, a switch valve, and an electric hydraulic pump driven by electric energy for pumping the fluid stored in the oil pan through a fifth hydraulic line and for feeding the pumped fluid to a sixth hydraulic line connected to the fourth hydraulic line.
    Type: Application
    Filed: September 26, 2017
    Publication date: June 14, 2018
    Inventors: Jin Young HWANG, Min Jae CHAI, Se Hwan JO
  • Publication number: 20180163861
    Abstract: A hydraulic control system of an automatic transmission for a vehicle provided with an ISG system is disclosed. The hydraulic control system supplies hydraulic pressure to first and second friction members operated at a gear stage where starting control is performed. In particular, the hydraulic control system includes: a mechanical hydraulic pump; an electric hydraulic pump; first and second linear solenoid valves to control hydraulic pressure generated by the mechanical pump; first and second switch valves to selectively supply the controlled hydraulic pressure to the first and second friction members, respectively; and a third switch valve to selectively supply a portion of the hydraulic pressure of the first friction member to the second friction member.
    Type: Application
    Filed: July 25, 2017
    Publication date: June 14, 2018
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventor: Jin Young HWANG
  • Publication number: 20180163854
    Abstract: A hydraulic control system of an automatic transmission for a vehicle provided with an ISG system is disclosed. The hydraulic control system may include: a mechanical hydraulic pump driven by an engine; a linear solenoid valve to control hydraulic pressure generated by the mechanical hydraulic pump; a first switch valve to selectively supply or not to supply controlled hydraulic pressure to one of friction members; an electric hydraulic pump driven by electric energy; and a second switch valve to selectively supply the hydraulic pressure, generated by the electric hydraulic pump, to the one friction member or to the linear solenoid valve. The hydraulic control system supplies the hydraulic pressure to one of the friction members operated at a gear stage where starting control is performed.
    Type: Application
    Filed: June 13, 2017
    Publication date: June 14, 2018
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventor: Jin Young HWANG
  • Publication number: 20180105177
    Abstract: A method for controlling an automatic transmission includes reducing, by a controller, a number of rotation of the engine connected to the automatic transmission to the first number of rotation when a shifting of the automatic transmission is started. The method further includes reducing, by the controller, a line pressure that is a hydraulic pressure of a flow line that operates the automatic transmission when the shifting of the automatic transmission is started.
    Type: Application
    Filed: December 15, 2016
    Publication date: April 19, 2018
    Inventor: Jin Young Hwang
  • Patent number: 9903468
    Abstract: A hydraulic pressure supply system of an automatic transmission may include a mechanical oil pump fluidly-connected to the oil pan to supply oil to first and second discharge paths fluidly-connected to the mechanical oil pump, a first switch valve fluidly-connected to the first discharge path and selectively supplying oil to a first supply path fluidly-connected to the first switch valve, a second switch valve fluidly-connected to the first and second discharge paths and selectively supplying oil supplied in the first supply path to the transmission unit and a pressure control valve through a second supply path fluidly-connected to the second switch valve, respectively, a first solenoid valve actuator engaged to the first switch valve and a second solenoid valve actuator engaged to the second switch valve, and an electrical oil pump fluidly-connected to the oil pan to supply the oil to a third supply path fluidly-connected with the second supply path.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: February 27, 2018
    Assignee: Hyundai Motor Company
    Inventor: Jin Young Hwang
  • Publication number: 20180049648
    Abstract: A workstation, a medical imaging apparatus and a control method thereof are disclosed. In accordance with one aspect of the present disclosure, the workstation includes a display apparatus and a controller configured to receive respiration information of an object, determine an acquisition section of magnetic resonance (MR) data related to the object based on the respiration information. The controller is also configured to control the display apparatus to display the respiration information of the object and the acquisition section, and display a user interface configured to change the displayed acquisition section according to a user's operation command.
    Type: Application
    Filed: August 17, 2017
    Publication date: February 22, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin Young HWANG, Joon Sung CHOI
  • Patent number: 9863528
    Abstract: A hydraulic pressure supply system of an automatic transmission may include a mechanical oil pump driven by an engine to supply the oil stored in the oil pan to a first supply path fluidly-connected to the mechanical oil pump, a switch valve fluidly-connected to the first supply path and selectively supplying oil supplied from the first supply path to the transmission unit through a second supply path fluidly-connected to the switch valve and the transmission unit, a solenoid valve actuator engaged to the switch valve, and an electrical oil pump fluidly connected to the oil pan to pump the oil stored in the oil pan as a second high-pressure hydraulic pressure and supply the oil in the pan to a third supply path fluidly-connected with the second supply path, wherein the first and second hydraulic pressures may be applied to the transmission unit through three operation modes.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: January 9, 2018
    Assignee: Hyundai Motor Company
    Inventor: Jin Young Hwang