Patents by Inventor Cheol Hwang

Cheol 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).

  • Publication number: 20170310380
    Abstract: A method using energy harvesting including receiving, by a relay node, first information signals transmitted from a source node and second information signals transmitted from a destination node, harvesting, by the relay node, energy using energy signals transmitted from the source node while bi-directionally relaying the first information signals and the second information signals; receiving, by the source node, information signals transmitted by the relay node; and receiving, by the destination node, the information signals relayed by the relay node. The source node, the relay node, and the destination node are devices for performing communication in a full-duplex mode.
    Type: Application
    Filed: January 3, 2017
    Publication date: October 26, 2017
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVE RSITY
    Inventors: Dong In KIM, Keum Cheol HWANG, Jong Ho MOON, Jong Jin PARK
  • Publication number: 20170288483
    Abstract: A compressor motor and a method for magnetizing a rotor thereof are provided. The compressor motor includes a stator and a rotor configured to electromagnetically interact with the stator to be rotated, wherein the rotor includes a core, a plurality of magnets inserted into the core, and a cover configured to cover both end portions of the core and to be injection-molded so as to fill accommodation spaces that are formed between the core and the plurality of magnets.
    Type: Application
    Filed: March 29, 2017
    Publication date: October 5, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-bum LEE, Gyeong-don KIM, Young-ju RYU, Jong-hyun CHOI, ln-cheol HWANG
  • Publication number: 20170222513
    Abstract: A motor is provided. The motor includes: a rotor; a stator inside which the rotor is rotatably disposed and including a plurality of teeth protruding toward the rotor; a plurality of insulating films disposed in respective slots formed between the plurality of teeth to insulate a coil wound around the plurality of teeth from the respective teeth; and insulating members covering upper and lower portions of the stator, respectively, wherein the plurality of insulating films are fixed by the plurality of teeth and the insulating members.
    Type: Application
    Filed: February 3, 2017
    Publication date: August 3, 2017
    Inventors: Dong-bum Lee, Hong-jung Kim, Gyeong-don Kim, Young-ju Ryu, Ji-hoon Lee, Jae-jin Cho, Jong-hyun Choi, In-cheol Hwang
  • Patent number: 9635377
    Abstract: Disclosed are a display device for processing and displaying an image signal. The display device includes an image receiver configured to receive packetized image data of an encoded image signal or a bit stream of image data of the encoded image signal, a decoder configured to parse metadata from the packetized image data or bit stream and decode the image signal from the image data of the encoded image signal; and an HDR image processor configured to analyze HDR information in the metadata, and generate an HDR image of the image signal from the analyzed HDR information and the decoded image signal.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: April 25, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-soo Kim, Jae-sung Park, Min-cheol Hwang
  • Publication number: 20170085700
    Abstract: A time-dependent information management system and method for a mobile phone that enable the management of time-related information in consideration of a change of time zone are provided. The method includes registering an event planned to occur at a first local time based on a first time zone together with a reference time calculated from the first local time; if the mobile phone enters into a second time zone, selecting the event in accordance with a key input; and setting the event to occur at a second local time calculated from the reference time. The system and method enable selectively adapting, when a mobile phone moves from a first time zone to a second time zone, times of schedules planned in the first time zone to a local time of second time zone, thereby effectively managing the schedules in multiple time zone-crossing environment.
    Type: Application
    Filed: November 30, 2016
    Publication date: March 23, 2017
    Inventors: Jung Mi LEE, Byeong Cheol Hwang, Jin Young Jeon, Young Mi Kim, Min Jeong Kwon
  • Patent number: 9583800
    Abstract: The invention relates to a vehicle, having a cooling air duct disposed within a battery to move cooling air for cooling the battery, so as to enable same to be compact and improve space utilization, in order to optimize cooling performance within a limited space. The vehicle of the present invention also includes a battery-cooling unit that exchanges heat and cools air ventilated from the passenger compartment and then supplies the air to the battery, so as to use the air from the passenger compartment with minimal effects on the air temperature in the passenger compartment, and more efficiently cool the battery. Further, the vehicle and method for controlling same according to the present invention can detect the temperatures of the battery and of the passenger compartment, and determine whether to cool the air in the passenger compartment using a heat exchanger in accordance with each detected temperature, or control the rotation speed of a ventilation fan, in order to more efficiently cool the battery.
    Type: Grant
    Filed: March 3, 2011
    Date of Patent: February 28, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Jae Cheol Hwang, Hyun Woo Yoon, Tae Jin Kim
  • Patent number: 9531041
    Abstract: According to the present invention, a battery-cooling system for an electric vehicle is configured such that the cool air cooled by an air-conditioning device is directly supplied to a battery without passing through the interior of a vehicle, thus enabling the interior of the vehicle and the battery to be cooled independently from each other, thereby not only preventing noise or foreign substances from entering the battery from the interior of the vehicle, but also controlling a vehicle interior cooling operation and a battery cooling operation independently from each other. Further, a battery-cooling system for an electric vehicle according to the present invention is configured such that a suction fan is arranged at a discharge duct for discharging air from the interior of a battery, thus enabling air in the interior of the battery to be suctioned and discharged by the suction fan.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: December 27, 2016
    Assignee: LG ELECTRONICS INC.
    Inventor: Jae Cheol Hwang
  • Patent number: 9304613
    Abstract: A multimedia apparatus and a method for controlling operations thereof are provided. The multimedia apparatus includes an input unit for receiving a selection signal, a sensing unit for sensing disposition of the multimedia apparatus, and a controller for, if the selection signal is input, performing different operations depending on the disposition. Accordingly, various operations of the multimedia apparatus may be controlled by simple manipulation.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: April 5, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho-ik Hwang, Soo-hyun Lee, Byeong-cheol Hwang, Joon-ho Won
  • Patent number: 9267767
    Abstract: A portable self-defense spray to protect a person from danger under an emergency situation is provided. The compressive-spray structure includes a compact case manufactured in various designs by using a flexible long-length filling tube filled with the CN solution. In a typical spray structure, CN solution is always sprayed at only a right position, the filled CN solution is not completely exhausted, and the design of the self-defense spray is limited. The filling tube to receive the CN solution is provided in the case without being twisted. The vacuum pump operating member cooperating with the button member having the spray port is installed at one side of the filing tube. A cap is provided at an opposite side of the filling tube for the sealing purpose. Vacuum is generated with the pressing of the button member, so that the CN solution in the filling tube is sprayed due to compression.
    Type: Grant
    Filed: August 26, 2013
    Date of Patent: February 23, 2016
    Inventor: In-Cheol Hwang
  • Patent number: 9253476
    Abstract: A display apparatus is provided. The display apparatus includes an image receiver which receives an image, an image processor which divides the received image into a left-eye image and a right-eye image and processes the same, an image output device which alternatingly outputs the left-eye image and the right-eye image, and a controller which calculates a difference in a pixel value between the left-eye and right-eye images based on units relating to the pixels that constitute the left-eye and right-eye images, detects a crosstalk generating area by using the calculated pixel value difference and a preset response speed of a display panel, and controls so that the detected crosstalk generating area is displayed distinguishably from at least one other area.
    Type: Grant
    Filed: June 12, 2013
    Date of Patent: February 2, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min-cheol Hwang, Jee-hoon Ka, Jae-sung Park, Jun-ho Sung, Bong-geun Lee, Sang-jun Lee, Bong-hwan Cho
  • Publication number: 20160011918
    Abstract: An application driving method according to a situation condition using a combination of application state conditions is provided. The method comprises setting a situation condition by combining state conditions of a condition application, selected among applications installed in a smart device, using a logic operator, thereby enabling a user to set the situation condition in accordance with the purpose and taste of the user by combining the applications installed in the smart device; monitoring by the smart device whether the condition application satisfies the state conditions and driving an operating application when the situation condition is “TRUE,” thereby automatically driving a customized application according to the states of the user. Furthermore, according to the present invention, a user can utilize various kinds of applications, and thus a user's satisfaction can be improved, contrary to using applications individually.
    Type: Application
    Filed: September 25, 2015
    Publication date: January 14, 2016
    Inventor: Jeong Cheol HWANG
  • Patent number: 9197883
    Abstract: A display apparatus is provided, which may includes an image receiver which receives an image, an image processor which separates the received image into a left-eye image and a right-eye image and process the left-eye and right-eye images, an image output unit including a display panel which displays the left-eye and right-eye images alternately, a storage which stores a response speed of the display panel, and a controller which calculates a pixel value difference between the left-eye and right-eye images based on a unit of pixels that constitute the left-eye and right-eye images, detects a crosstalk generating area of the left-eye and right-eye images using the calculated pixel value difference and the response speed of the display panel stored in the storage, and controls so that the detected crosstalk generating area is indicated distinguishably from other areas of the left-eye and right-eye images.
    Type: Grant
    Filed: December 31, 2012
    Date of Patent: November 24, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-sung Park, Min-cheol Hwang, Jun-ho Sung, Sang-un Yun, Bong-hwan Cho
  • Patent number: 9167237
    Abstract: A method and apparatus for providing a three-dimensional (3D) image are provided. The method includes receiving a left-eye image and a right-eye image, estimating an overlap region of the left-eye image and right-eye image; generating an overlap image based on the estimated overlap region; and controlling the left-eye image, the right-eye image and the overlap image to be output.
    Type: Grant
    Filed: September 7, 2011
    Date of Patent: October 20, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hanfeng Chen, Hyung-rae Kim, Tae-hyeun Ha, Min-cheol Hwang
  • Patent number: 9141208
    Abstract: A method of segmenting multiple touches in a touch sensor system is disclosed. The method includes setting a point node by selecting a valid node of a touch sensor panel from among valid nodes having touch data equal to or greater than a threshold value of a touch sensor panel; determining one or more candidate labels for the point node by searching for adjacent nodes around the point node; and when there are two or more candidate labels for the point node, labeling the point node by selecting a label of a label group that has the highest group similarity with the point node and that is from among label groups of the two or more candidate labels, and by assigning the selected label to the point node.
    Type: Grant
    Filed: October 19, 2012
    Date of Patent: September 22, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong-kang Park, Young-tae Son, Hae-yong Ahn, Jong-hak Baek, Mi-hye Jung, Yoon-kyung Choi, Gyoo-cheol Hwang
  • Patent number: 9135256
    Abstract: A content searching method for enabling a user to directly search for desired contents is provided. The content searching method includes displaying a location of a cell including a content being executed in a distribution map, which displays a plurality of cells divided according to a distribution axis, and when a search button is input, redistributing and displaying a location of the cell including the content being executed in a distribution map, which displays a plurality of cells in a changed skin screen depending on a distribution axis having a changed keyword.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: September 15, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joon-Ho Won, Chul-Min Choi, Eun-Hye Lee, Soo-Hyun Lee, Byeong-Cheol Hwang, Sang-Woo Han, Se-Jin Kwak
  • Patent number: 9127727
    Abstract: A method of searching for a sync start in an automated manual transmission, may include a slip preparing step of operating, in a parked position, a sleeve and a clutch restrained so as not to rotate into a slip state, an actuator operating step of moving the sleeve toward a clutch gear from a neutral position, a clutch speed determination step of determining whether or not a speed of rotation of the clutch has decreased by the actuator operating step, a stop determination step of determining whether or not a movement of the sleeve that was driven by the actuator operating step has stopped, and a first position determination step of determining a point where the clutch speed determination step determines that the speed of the rotation of the clutch has decreased and the stop determination step determines that the movement of the sleeve has stopped as the sync start.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: September 8, 2015
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORP.
    Inventors: Young Min Yoon, Hyun Cheol Hwang
  • Patent number: 8984237
    Abstract: A multi-processor system includes a first processor, a second processor communicable with the first processor, a first non-volatile memory for storing first codes and second codes to respectively boot the first and second processors, the first memory communicable with the first processor, a second volatile memory designated for the first processor, a third volatile memory designated for the second processor, and a fourth volatile memory shared by the first and second processors.
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: March 17, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Jae Byun, Young Min Lee, Yun-Tae Lee, Gyoo-Cheol Hwang
  • Publication number: 20150009107
    Abstract: A display apparatus is provided. The display apparatus includes a display configured to include a plurality of pixels and to display an image frame by emitting light from the plurality of pixels by pixel, and a controller configured to adjust one of pixel brightness and a light emitting time for at least a portion of the plurality of pixels according to properties of the input image frame, and compensate the luminance of the image frame by adjusting the other one of the pixel brightness and the light emitting time to correspond to the adjusted pixel brightness or adjusted light emitting time.
    Type: Application
    Filed: July 8, 2014
    Publication date: January 8, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-sung PARK, Min-cheol HWANG
  • Patent number: 8926187
    Abstract: A bearing comprises an inner wheel, an outer wheel which includes a first outer wheel and a second outer wheel, a plurality of rolling elements which are disposed between the inner wheel and the outer wheel, an inner wheel elastic ring which is disposed between the inner wheel and the a plurality of rolling elements and an outer wheel elastic ring which is disposed between the outer wheel and the a plurality of rolling elements. The bearing also comprises a first boss part which is disposed on an outer portion of the first outer wheel and has a plurality of fixing holes, and a second boss part which is disposed on an outer edge portion of the second wheel and has a plurality of hook parts, where the plurality of hook parts are inserted into the plurality of fixing holes.
    Type: Grant
    Filed: August 9, 2011
    Date of Patent: January 6, 2015
    Assignee: Smartcaster Co., Ltd.
    Inventors: Haw-Yale Yoo, Yun-Cheol Hwang
  • Patent number: D728063
    Type: Grant
    Filed: July 10, 2013
    Date of Patent: April 28, 2015
    Inventor: In-Cheol Hwang