Patents by Inventor Dong-kyu Kim

Dong-kyu Kim 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: 20130312529
    Abstract: Disclosed herein are a system and method for three-dimensional vibration measurement. The method includes measuring vibration components and shape information at a vibration measurement point of a measurement target by sequentially emitting laser beams to the vibration measurement point of the measurement target at each of three measuring positions for measuring vibration of the measurement target; obtaining transformation matrices between first to third coordinate systems with respect to each of the measuring positions and a local coordinate system with respect to the vibration measurement point of the measurement target, based on the shape information; measuring angles between unit vectors of respective axes of the local coordinate system and direction vectors of the laser beams emitted with reference to the first to third coordinate systems upon measuring the vibration components; and measuring three-dimensional vibration of the measurement target based on the vibration components and the angles.
    Type: Application
    Filed: May 22, 2013
    Publication date: November 28, 2013
    Applicant: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kyi Hwan PARK, Dong Kyu KIM
  • Patent number: 8535488
    Abstract: There is provided a method for a purification of trichlorosilane, the method including: performing a pretreatment for separating a chlorosilane mixture from reaction products of a trichlorosilane production reaction; performing a first purification for separating the chlorosilane mixture into a first top stream and a first bottom stream; performing a second purification for separating the first top stream into a second top stream and a second bottom stream; and performing a third purification for separating the second bottom stream into a third top stream and a third bottom stream, wherein the performing of the third purification is carried out under pressure conditions higher than those of the performing of the second purification, and a heat exchange is generated between the second bottom stream and the third top stream.
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: September 17, 2013
    Assignee: LG Chem, Ltd.
    Inventors: Chul-Hwan Choi, Jeong-Seok Lee, Kwang-Wook Choi, Joon-Ho Shin, Dong-Kyu Kim
  • Patent number: 8310456
    Abstract: The present invention relates to a mobile terminal. Specifically to a mobile terminal including a display including a touchscreen, a sensing unit for sensing an object in near-proximity to the touchscreen, a controller for altering an image appearing on the display according to at least one of a duration of the object near the touchscreen and a distance of the object away from the touchscreen.
    Type: Grant
    Filed: March 19, 2009
    Date of Patent: November 13, 2012
    Assignee: LG Electronics Inc.
    Inventors: Dong Kyu Kim, Wan Ho Ju, Tae Hun Kim
  • Patent number: 8259049
    Abstract: A liquid crystal display (LCD) which can provide uniform vertical and horizontal visibility while improving lateral visibility is provided. The LCD includes a first insulating substrate, first and second gate lines which are formed on the first insulating substrate, and a data line which is insulated from the first and second gate lines and intersects the first and second gate lines. The LCD also includes first and second thin film transistors (TFTs) which are formed in each pixel and are connected to the first and second gate lines, respectively, and to the data line, first sub-pixel electrodes which are connected to the first TFT, and a second sub-pixel electrode which is separated from the first sub-pixel electrodes by predetermined gaps and is connected to the second TFT.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: September 4, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Dong-kyu Kim
  • Patent number: 8218995
    Abstract: A power supply includes a transformer to transform an input voltage into an output driving voltage for one of a plurality of components of an image forming apparatus, and an output converter to detect the driving voltage being output from the transformer, to amplify the detected driving voltage according to a power control signal, and to output the amplified driving voltage to at least one remaining component in the plurality of components of the image forming apparatus. The power supply can not only control high voltage outputs individually, but also reduces the number of switching transformers being used, as it uses at least one shared switching transformer.
    Type: Grant
    Filed: December 15, 2010
    Date of Patent: July 10, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-kyu Kim, Min-seon Kim
  • Publication number: 20120155894
    Abstract: An image forming apparatus and an auto color registration method of the same which prints a color image by single pass, the image forming apparatus including: a plurality of developing units which each develops a color image in a predetermined color; a transfer unit which transfers the color image developed by developing units to the print medium and include a transfer belt rotatably installed on a transfer path; a first detector provided in a predetermined location of the transfer belt to face the transfer belt and detects any defect from a surface of the transfer belt; a second detector provided in a predetermined location of the transfer belt to face the transfer belt and detects a test pattern of an auto color registration (ACR) error transferred to the transfer belt; and a controller which adjusts the ACR error based on data detected by the first detector and the second detector.
    Type: Application
    Filed: September 14, 2011
    Publication date: June 21, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-kyu Kim, Kwon-cheol Lee
  • Publication number: 20120145530
    Abstract: There is provided a method for a purification of trichlorosilane, the method including: performing a pretreatment for separating a chlorosilane mixture from reaction products of a trichlorosilane production reaction; performing a first purification for separating the chlorosilane mixture into a first top stream and a first bottom stream; performing a second purification for separating the first top stream into a second top stream and a second bottom stream; and performing a third purification for separating the second bottom stream into a third top stream and a third bottom stream, wherein the performing of the third purification is carried out under pressure conditions higher than those of the performing of the second purification, and a heat exchange is generated between the second bottom stream and the third top stream.
    Type: Application
    Filed: December 13, 2011
    Publication date: June 14, 2012
    Applicant: LG CHEM, LTD.
    Inventors: Chul-Hwan CHOI, Jeong-Seok LEE, Kwang-Wook CHOI, Joon-Ho SHIN, Dong-Kyu KIM
  • Patent number: 8196417
    Abstract: The present invention relates to a refrigerator, including: a refrigerating cycle having an evaporator (1a); a space for exchanging heat with the evaporator; a region for exchanging heat between the evaporator and the space; and a storage chamber and a door for defining the space, wherein at least one of the region, the storage chamber and the door has undergone at least one of a Kimchi lactic acid bacteria culture treatment and a Kimchi lactic acid bacteria culture exposure treatment.
    Type: Grant
    Filed: November 23, 2006
    Date of Patent: June 12, 2012
    Assignee: LG Electronics Inc.
    Inventors: Dong-Kyu Kim, Kyung-Dae Hwang, Jin-Hyun Kim, Hyuk-Soon Kim, Seung-Beom Chae, Hyun-Tae Lee, Joo-Shin Kim
  • Publication number: 20120125065
    Abstract: A roll forming system and a roll forming method are disclosed. The roll forming system according to an exemplary embodiment of the present invention includes a bending unit provided with synchronizing means moving a synchronizing table in keeping pace with a forming speed of a shaped beam along a process line, clamping means clamping both sides of the shaped beam, position conversion means converting a position of the shaped beam between a cutting position and a bending position, cutting means cutting one side of the shaped beam by a cutting wheel, and a bending means stretch-bending the shaped beam to have a predetermined curvature.
    Type: Application
    Filed: December 16, 2010
    Publication date: May 24, 2012
    Applicant: SUNGWOO HITECH CO., LTD.
    Inventors: Mun-Yong LEE, Dong-Kyu Kim
  • Publication number: 20110090140
    Abstract: A liquid crystal display (LCD) which can provide uniform vertical and horizontal visibility while improving lateral visibility is provided. The LCD includes a first insulating substrate, first and second gate lines which are formed on the first insulating substrate, and a data line which is insulated from the first and second gate lines and intersects the first and second gate lines. The LCD also includes first and second thin film transistors (TFTs) which are formed in each pixel and are connected to the first and second gate lines, respectively, and to the data line, first sub-pixel electrodes which are connected to the first TFT, and a second sub-pixel electrode which is separated from the first sub-pixel electrodes by predetermined gaps and is connected to the second TFT.
    Type: Application
    Filed: December 22, 2010
    Publication date: April 21, 2011
    Inventor: DONG-KYU KIM
  • Publication number: 20110085817
    Abstract: A power supply includes a transformer to transform an input voltage into an output driving voltage for one of a plurality of components of an image forming apparatus, and an output converter to detect the driving voltage being output from the transformer, to amplify the detected driving voltage according to a power control signal, and to output the amplified driving voltage to at least one remaining component in the plurality of components of the image forming apparatus. The power supply can not only control high voltage outputs individually, but also reduces the number of switching transformers being used, as it uses at least one shared switching transformer.
    Type: Application
    Filed: December 15, 2010
    Publication date: April 14, 2011
    Applicant: Samsung Electronics Co., Ltd
    Inventors: Dong-kyu KIM, Min-seon Kim
  • Patent number: 7877036
    Abstract: A power supply includes a transformer to transform an input voltage into an output driving voltage for one of a plurality of components of an image forming apparatus, and an output converter to detect the driving voltage being output from the transformer, to amplify the detected driving voltage according to a power control signal, and to output the amplified driving voltage to at least one remaining component in the plurality of components of the image forming apparatus. The power supply can not only control high voltage outputs individually, but also reduces the number of switching transformers being used, as it uses at least one shared switching transformer.
    Type: Grant
    Filed: January 15, 2008
    Date of Patent: January 25, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-kyu Kim, Min-seon Kim
  • Patent number: 7873395
    Abstract: A headset worn is provided to be on an ear in such a manner that a speaker is adhered to the ear. The headset includes a headset body; a hook unit for adhering and fixing the headset body to a user's ear part; a key positioned at a part of the headset body such that its key top protrudes; and a touch region having elasticity, and provided to maintain a distance from the key while facing the key, wherein, as the touch region is pressed, the key is pressed and enabled at the same time.
    Type: Grant
    Filed: November 3, 2006
    Date of Patent: January 18, 2011
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Dong-Kyu Kim, Beom-Ku Han, Chang-Hwan Hwang
  • Patent number: 7872622
    Abstract: A liquid crystal display (LCD) which can provide uniform vertical and horizontal visibility while improving lateral visibility is provided. The LCD includes a first insulating substrate, first and second gate lines which are formed on the first insulating substrate, and a data line which is insulated from the first and second gate lines and intersects the first and second gate lines. The LCD also includes first and second thin film transistors (TFTs) which are formed in each pixel and are connected to the first and second gate lines, respectively, and to the data line, first sub-pixel electrodes which are connected to the first TFT, and a second sub-pixel electrode which is separated from the first sub-pixel electrodes by predetermined gaps and is connected to the second TFT.
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: January 18, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Dong-kyu Kim
  • Patent number: 7807734
    Abstract: Provided is a low friction type anti-fouling paint. The anti-fouling paint includes prepolymer fluid formed of 10% to 30% NCO mythylene diisocyanate of 100 wt %; and resin fluid formed of polyoxylpropylenediamine of about 42 wt % to 48 wt % for adjusting an elongation and a tensile strength of a paint film, polyethertriamine of about 8 wt % to 10 wt % having a molecular weight of 5,000 for adjusting a curing time, polydiphenyltriamine of about 15 wt % to 20 wt % for adjusting a curing physical property and increasing the elongation, a modified silicone fluid of about 8 wt % to 12 wt % for increasing a slip and an anti fouling property, a filler of about 5 wt % to 9 wt % for increasing an abrasion resistance, an adhesion promoter of about 1 wt % to 2 wt %, and a pigment of about 1 wt % to 2 wt %.
    Type: Grant
    Filed: December 18, 2006
    Date of Patent: October 5, 2010
    Inventor: Dong Kyu Kim
  • Patent number: 7776873
    Abstract: Provided is a method for treating damage to the gastric mucosa with a cytoprotective agent, comprising administering to a human in need thereof a pharmaceutical composition comprising an effective amount for treating damage to gastric mucosa of a pharmaceutically acceptable salt of revaprazan as the cytoprotective agent, and a pharmaceutically acceptable carrier. Revaprazan or its salt has an excellent treatment effect for gastrointestinal mucosal damage by potentiating a defensive factor in the gastrointestinal mucosa, simultaneously with acting as an acid pump antagonist.
    Type: Grant
    Filed: November 27, 2006
    Date of Patent: August 17, 2010
    Assignee: Yuhan Corporation
    Inventors: Ki-Baik Hahm, Dong-Kyu Kim, Mi-Sun Kwak, Sang-Aun Joo, Byoung-Seok Moon, Geun-Seog Song
  • Publication number: 20100174935
    Abstract: A method of controlling power consumption of an image forming apparatus includes outputting information regarding power consumption of a plurality of operation units if a power consumption check mode is set, performing power save operation in which at least one operation unit from among the plurality of operation units is turned on and the remaining operation units are turned off if a power save mode is set. Accordingly, on/off of the plurality of operation units may be controlled in the power save mode based on power consumption of each of the operation units.
    Type: Application
    Filed: January 6, 2010
    Publication date: July 8, 2010
    Applicant: Samsung Electronics CO., Ltd.
    Inventors: Dong-kyu Kim, Min-seon Kim
  • Patent number: 7751781
    Abstract: Disclosed is a multi-transceiver system adapted to estimate a frequency offset on basis of a test signal and a reference signal. Transceivers in the multi-transceiver system are adapted to transmit signals compensated with the frequency offsets.
    Type: Grant
    Filed: October 11, 2005
    Date of Patent: July 6, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Dong-Kyu Kim
  • Patent number: 7720175
    Abstract: A Peak-to-Average Power Ratio (PAPR) reduction apparatus and method in an OFDM communication system are provided. In the PAPR reduction method, magnitude and phase components are extracted from transmission sample data. Peaks having magnitude components exceeding a threshold are detected by comparing the extracted magnitude components with the threshold. The highest of the peaks is detected and compared with the threshold. If the highest peak is greater than the threshold, the highest peak is updated.
    Type: Grant
    Filed: August 10, 2006
    Date of Patent: May 18, 2010
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Hae-Dong Yeon, Jae-Yong Lee, Yun-Sang Park, Bong-Gee Song, Dong-Kyu Kim, Dong-Joon Shin
  • Patent number: D684022
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: June 11, 2013
    Assignee: Wellos Korea Co., Ltd.
    Inventor: Dong-Kyu Kim