Patents by Inventor In Cheol Hwang

In 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: 20190349507
    Abstract: A printed circuit board of a camera module according to various embodiments of the disclosure includes: a ground portion constructed on the printed circuit board; a conductive member which is disposed to cover the ground portion and includes a first opening at a location corresponding to the ground portion; and an adhesive layer which is interposed between the printed circuit board and the conductive member and includes a second opening at a location corresponding to the ground portion, wherein the conductive member may be electrically coupled to the ground portion through a solder constructed on the first opening and the second opening. Other embodiments are also possible.
    Type: Application
    Filed: November 16, 2017
    Publication date: November 14, 2019
    Inventors: Gwan Yong LEE, Cheol HWANG, Dohyun AHN
  • Publication number: 20190252669
    Abstract: The present invention relates to a saggar for firing an active material of a secondary battery, a method for manufacturing the saggar, and a method for firing the active material. The saggar for firing an active material of a secondary battery according to the present invention has a coating layer formed on a bottom surface or a wall surface thereof so as to collect carbon dioxide. By means of the coating layer, the concentration of the carbon dioxide in the saggar can be lowered by collecting the carbon dioxide that is a by-product resulting from a firing reaction, thereby enabling a reduction in the amount of remaining lithium in the active material. The saggar of the present invention provides the saggar for firing an active material of a secondary battery, wherein the saggar has at least one through hole in the bottom surface, or the bottom surface and wall surfaces thereof so as to communicate a gas.
    Type: Application
    Filed: December 21, 2016
    Publication date: August 15, 2019
    Inventors: Young-Min PARK, Soon-Cheol HWANG, Choong-Mo YANG, Woo-Taek KIM
  • Patent number: 10374479
    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: Grant
    Filed: February 3, 2017
    Date of Patent: August 6, 2019
    Assignee: Samsung Electronics Co., Ltd.
    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: 10252698
    Abstract: An apparatus and a method for diagnosing a failure of an ultrasonic detector in a manner that diagnoses whether a failure has occurred in the ultrasonic detector by determining whether a surge voltage is generated based on a waveform received by a receiver of the ultrasonic detector after activation of a transmitter of the ultrasonic sensor, may include an ultrasonic detector transmitting and receiving an ultrasonic wave; a voltage detector measuring a voltage of the received ultrasonic wave; and a controller determining whether a surge voltage is generated based on the measured voltage, and diagnosing whether a failure has occurred in the ultrasonic detector according to whether the surge voltage is generated.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: April 9, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation, LS Automotive Technologies Co., Ltd.
    Inventors: Soon Cheol Hwang, Jee Hyun Jung, In Chul Hwang
  • Patent number: 10250316
    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: Grant
    Filed: January 3, 2017
    Date of Patent: April 2, 2019
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Dong In Kim, Keum Cheol Hwang, Jong Ho Moon, Jong Jin Park
  • Publication number: 20180367008
    Abstract: Disclosed herein is a motor including a power connector capable of preventing current leakage to the outer case and structural interference with the outer case. The motor includes a stator provided with an insulator, a rotor configured to be rotated against the stator, a power connection portion provided in the insulator, and configured to support an end of a coil wound around the stator and configured to accommodate a mag-mate terminal, and a power connector coupled to the power connection portion to connect an external power source to the coil, wherein the power connector includes a lead wire, a fork terminal coupled to an end of the lead wire to electrically connect the lead wire to the coil and a housing configured to accommodate the end of the lead wire and the fork terminal and coupled to the power connection portion.
    Type: Application
    Filed: April 9, 2018
    Publication date: December 20, 2018
    Inventors: Kwang-Yeol HWANG, Jong Hyun CHOI, In Cheol HWANG
  • Publication number: 20180326945
    Abstract: An apparatus and a method for diagnosing a failure of an ultrasonic detector in a manner that diagnoses whether a failure has occurred in the ultrasonic detector by determining whether a surge voltage is generated based on a waveform received by a receiver of the ultrasonic detector after activation of a transmitter of the ultrasonic sensor, may include an ultrasonic detector transmitting and receiving an ultrasonic wave; a voltage detector measuring a voltage of the received ultrasonic wave; and a controller determining whether a surge voltage is generated based on the measured voltage, and diagnosing whether a failure has occurred in the ultrasonic detector according to whether the surge voltage is generated.
    Type: Application
    Filed: November 1, 2017
    Publication date: November 15, 2018
    Applicants: Hyundai Motor Company, Kia Motors Corporation, LS Automotive Technologies Co., Ltd.
    Inventors: Soon Cheol Hwang, Jee Hyun Jung, In Chul Hwang
  • Publication number: 20180222104
    Abstract: A method for manufacturing a synthetic resin scouring pad includes hot extruding a polymer by thermally melting a synthetic resin, along a T die having a straight extrusion port, to form a full width film sheet; cold-curing the film sheet by impregnating and quenching the extruded full width film sheet with cooling water of a cooling bath; forming flat film filaments by passing the full width film sheet lengthwise through a cutting part in which cutting blades are arranged at a predetermined width so as to dividingly-cut the full width film sheet into a predetermined width; passing the flat film filaments in the longitudinal direction through a coiling forming part to plastic-deform the flat film filaments into coil-shaped film filaments; and inputting the coil-shaped film filaments into an annular winding part so that the film filaments are wound in an annular shape to form a synthetic resin scouring pad.
    Type: Application
    Filed: September 14, 2015
    Publication date: August 9, 2018
    Applicant: KWANG JIN IND. CO., LTD.
    Inventors: Hyeong-Cheol HWANG, Kang-Sik CHO, Dae-Hwan KIM, Heon-Joo JEONG
  • Publication number: 20180039473
    Abstract: Provided are a service providing method performed by a service providing apparatus, the method comprises creating a conference session with a plurality of user terminals, generating a graphic user interface (GUI) that displays an object corresponding to each user terminal of the plurality of user terminals in a first area and displays conference content in a second area and providing the generated GUI to teach user terminal maintaining the conference session, wherein display attributes of the object are changed based on a conference participation grade of a corresponding user terminal.
    Type: Application
    Filed: August 2, 2017
    Publication date: February 8, 2018
    Applicant: SAMSUNG SDS CO., LTD.
    Inventors: Bo Mi KIM, Hwa Shin LEE, Hyeon Cheol HWANG, Haa Nee NAM, Jin Ju YANG
  • Patent number: 9876440
    Abstract: Disclosed herein is an active rectifier. The rectifier includes a rectifier unit, a driver unit, and a switching device control circuit unit. The rectifier unit includes first and fourth transistors configured to become conductive when the voltage of an alternating current (AC) input is negative and apply the current of the AC input to a rectifier capacitor, and second and third transistors configured to become conductive when the voltage of the AC input is positive and apply the current of the AC input to the rectifier capacitor. The driver unit outputs first to fourth drive control signals, and drives the first to fourth transistors. The switching device control circuit unit compares the first drive control signal and the second drive control signal with the AC input, and outputs switching device control signals to delay the first to fourth drive control signals based on the extents to delay.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: January 23, 2018
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Kang Yoon Lee, Seong Jin Oh, Youngoo Yang, Keum Cheol Hwang, Young Jun Park, Sang Yun Kim, Byeong Gi Jang, Jung Yeon Kim
  • 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