Patents by Inventor Woon Cho

Woon Cho 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: 20170297405
    Abstract: A dust sensor includes: a main body in which a dust inlet is formed and including an optical sensor and a lens for collecting light scattered by dust which enters into the main body through the dust inlet; a button unit protruding outwardly from the main body and having one end that is inserted into a coupling hole formed in the main body, wherein the button unit is selectively moved, by a pushing operation of a user, upward and downward with respect to an interior of the main body in which the lens is installed; and a cleaner installed on the one end of the button unit that is inserted into the main body, wherein the cleaner is repeatedly brought into contact with the lens by the upward and downward movement of the button unit.
    Type: Application
    Filed: September 22, 2016
    Publication date: October 19, 2017
    Inventors: Dong Ho Kwon, Gee Young Shin, Kwang Woon Cho, Dong Won Yeon, Young Oh Kim, Hyun Hoo Jang, Jin Young Lee
  • Publication number: 20170276592
    Abstract: A vehicular dust sensor may include a case having an inner space, a light source module disposed in the inner space of the case, and irradiating an air passage with light, the air passage being provided in the light source module for introduction and pass of air and dust, a condensing lens to collect light, emitted from the light source module and scattered by dust in air in the air passage, a light receiving module receiving the scattered light collected by the condensing lens to output an electric signal corresponding to a dust concentration, and an inner housing disposed in the inner space of the case to form the air passage.
    Type: Application
    Filed: October 12, 2016
    Publication date: September 28, 2017
    Applicants: Hyundai Motor Company, Truwin, Hanon Systems
    Inventors: Dong Ho KWON, Gee Young SHIN, Kwang Woon CHO, Jun Ho CHOI, Sang Ho OH, Chae Geun LIM, Ji Min LEE, Du Yeol KIM, Young Hu LEE
  • Publication number: 20170263463
    Abstract: There is provided a method for etching a silicon substrate, the method comprising: forming an etch mask on a silicon substrate; forming a first gas comprising a halogen-based gas, a fluorocarbon gas and oxygen; and etching the silicon substrate by generating a plasma on the silicon substrate using the first gas.
    Type: Application
    Filed: November 10, 2015
    Publication date: September 14, 2017
    Applicant: Industry-Academic Cooperation Foundation of Ajou University
    Inventors: Chang-Koo KIM, Sung-Woon CHO, Jun-Hyun KIM
  • Publication number: 20170254710
    Abstract: The present invention provides a torque sensor device disposed between an input shaft and an output shaft and configured to detect a torque between the input shaft and the output shaft through a relative rotation displacement therebetween.
    Type: Application
    Filed: August 26, 2015
    Publication date: September 7, 2017
    Applicant: LS AUTOMOTIVE CORP
    Inventors: Won Yong LEE, Yeong Woon CHO, Seong Ik KIM, Se Hwan KIM, Yu Chan KIM, Kon Ho PARK
  • Publication number: 20170167776
    Abstract: An air conditioning system for a vehicle is provided. The system includes a cooling module in which a plurality of evaporation cores are disposed and a heating module in which a plurality of condensers are disposed. The plurality of condensers and the plurality of evaporation cores are connected onto a refrigerant channel.
    Type: Application
    Filed: June 22, 2016
    Publication date: June 15, 2017
    Inventors: Gee Young Shin, June Kyu Park, Keon Soo Jin, Dae Ig Jung, Kwang Woon Cho
  • Publication number: 20170167775
    Abstract: An air conditioning system for a vehicle is provided. The system includes a cooling duct and a heating duct provided as spaces partitioned by a partition wall and an evaporator core and an inner condenser disposed respectively in the cooling and heating ducts. An outer condenser is connected to the inner condenser and the evaporator core via one refrigerant passage. An air volume regulation door is disposed upstream of the evaporator core and the inner condenser in an air flow direction, and a common blower is disposed at one side of the cooling and heating ducts to simultaneously form an air flow in the cooling and heating ducts.
    Type: Application
    Filed: June 7, 2016
    Publication date: June 15, 2017
    Inventors: Gee Young Shin, June Kyu Park, Keon Soo Jin, Dong Ho Kwon, Dae Ig Jung, Kwang Woon Cho
  • Publication number: 20170166031
    Abstract: An air conditioning system for a vehicle is provided. The air conditioning system includes a cooling module having a cooling duct and an evaporator core, and a heating module having a heating duct and an inner condenser. Additionally, an outer condenser is disposed extraneous to the heating duct, and a blower forms air flow in the cooling duct or the heating duct. The inner condenser, the outer condenser and the evaporator core are connected via a single refrigerant passage.
    Type: Application
    Filed: June 3, 2016
    Publication date: June 15, 2017
    Inventors: Gee Young Shin, June Kyu Park, Keon Soo Jin, Dong Ho Kwon, Dae Ig Jung, Kwang Woon Cho
  • Publication number: 20170120722
    Abstract: An apparatus for controlling a direction of discharged air in a vehicle air conditioning system can control a direction of air discharged to a vehicle interior from the vehicle air conditioning system. The apparatus includes a plurality of vent nozzles connected to an air discharge port for discharging air in the vehicle air conditioning system, so as to discharge air to different regions in a vehicle interior space, a plurality of discharge ducts connected between respective different sections of the air discharge port and the respective vent nozzles, and an opening and closing door configured to adjust an opening degree of the air discharge port, for selectively opening the different sections of the air discharge port.
    Type: Application
    Filed: July 8, 2016
    Publication date: May 4, 2017
    Inventors: Kwang Woon Cho, Keon Soo Jin, Dae Ik Jung, Young Ju Lee
  • Publication number: 20170120255
    Abstract: An electrical dust-collecting filter is provided. The electrical dust-collecting filter includes a dust-collecting unit having a dust-collecting body and dust-collecting electrodes configured to generate an electrical field in the dust-collecting body. The dust-collecting body has a plurality of air channels laterally formed therethrough and discharge apertures formed in upper and lower surfaces thereof at inlets of the plurality of air channels. A discharge unit is integrally formed with the dust-collecting unit at the inlets of the plurality of air channels to facilitate corona discharge in air introduced into the inlets of the plurality of air channels.
    Type: Application
    Filed: August 18, 2016
    Publication date: May 4, 2017
    Inventors: Kwang Woon Cho, Dae Ik Jung, Keon Soo Jin, Ji Yong Park
  • Publication number: 20170113517
    Abstract: An automatic dust removal device for a vehicle is provided. The device constantly senses dust in the interior of the vehicle and automatically removes the detected dust. The device includes a dust sensor that senses dust concentration in the interior of the vehicle and a controller that operates an air-conditioning device. The controller determines whether dust in the interior of the vehicle requires removal based on a signal from the dust sensor. An air-conditioning device for removing dust from the air is operated to activate a dust removal mode based on a signal from the controller. Thus, an intake door is closed to block inflow of external air into the interior of the vehicle and the air in the interior of the vehicle passes through an air filter and is circulated by a blower.
    Type: Application
    Filed: July 8, 2016
    Publication date: April 27, 2017
    Inventors: Dong Ho Kwon, Dong Won Yeon, Kwang Woon Cho, Gee Young Shin
  • Publication number: 20170100986
    Abstract: An air conditioning system for a vehicle may include a cooling module including a cooling duct, a cooling-side inlet formed in a first end of the cooling duct, a cooling-side indoor outlet and a cooling-side outdoor outlet formed in a second end of the cooling duct, and an evaporator core provided in the cooling duct, a heating module including a heating duct, a heating-side inlet formed in a first end of the heating duct, a heating-side indoor outlet and a heating-side outdoor outlet formed in a second end of the heating duct, and a plurality of condensers provided in the heating duct, and a cooling blower and a heating blower respectively provided in the cooling duct and the heating duct, in which the plurality of condensers provided in the heating duct and the evaporator core provided in the cooling duct are coupled on a single refrigerant circuit.
    Type: Application
    Filed: March 10, 2016
    Publication date: April 13, 2017
    Applicant: Hyundai Motor Company
    Inventors: Gee Young SHIN, June Kyu PARK, Keon Soo JIN, Dae Ig JUNG, Kwang Woon CHO
  • Publication number: 20170080837
    Abstract: A seat device operatively connected to an HVAC apparatus is provided. The seat device includes the HVAC apparatus to adjust the indoor air within a vehicle. A seat blower is mounted on a seat to blow indoor air, introduced through an inlet thereof, to a seat cushion and a seat back. A connecting duct allows airflow between the seat blower and the HVAC apparatus and a mesh frame connects a circumferential edge of the inlet of the seat blower with the connecting duct to allow ventilation therethrough.
    Type: Application
    Filed: December 9, 2015
    Publication date: March 23, 2017
    Inventors: Kwang Woon Cho, Ho Sub Lim, Myoung Jin Lee, Do Hyung Kim
  • Patent number: 9493345
    Abstract: The present invention provides a method for fabricating slanted copper nanorods. The method includes manufacturing a workpiece configured to include an etch stop layer on a wafer, placing the workpiece in a slanted position, and etching the slanted workpiece, forming a copper (Cu) layer on the slanted workpiece by plating, removing an over-plated portion from the copper layer, and removing a polysilicon (poly Si) excluding copper from the surface of the workpiece. According to the invention, copper nanorod structures having a uniform array can be fabricated in a large area at a high process yield compared to conventional methods. In addition, the angle and diameter of copper nanorods can be controlled as desired so that the applicability thereof can be greatly increased. Moreover, the present invention can be applied to processes for fabricating various devices, including semiconductor devices, MEMSs (microelectromechanical systems), optical devices, gas sensors, display devices, etc.
    Type: Grant
    Filed: April 19, 2013
    Date of Patent: November 15, 2016
    Assignee: Ajou University Industry-Academic Cooperation Foundation
    Inventors: Sung-Woon Cho, Chang-Koo Kim
  • Publication number: 20160288610
    Abstract: An air condition and lamp control system based on a light sensing of a vehicle may include an illumination sensor configured to detect an amount of irradiation of light irradiated into an interior side of the vehicle to be distinguished in a left and a right, an air condition controller configured to receive a left input voltage and a right input voltage according to the amount of irradiation of light detected by the illumination sensor and to independently compensate for left and right interior temperatures, a voltage amplifier configured to sum the left input voltage and the right input voltage which are transferred from the illumination sensor and to amplify the summed voltage to an amplified voltage, and a lamp controller configured to receive the amplified voltage amplified by the voltage amplifier, to compare the amplified voltage and a prestored lamp operation voltage, and to drive a lamp apparatus.
    Type: Application
    Filed: August 12, 2015
    Publication date: October 6, 2016
    Applicant: Hyundai Motor Company
    Inventors: Dong Ho KWON, June Kyu PARK, Yong Soo CHANG, Kwang Woon CHO
  • Publication number: 20160147783
    Abstract: Provided are an apparatus for caching data stored in a repository in a server on a cloud that performs a rendering work, so as to perform a computer graphic rendering work on a common cloud, and a method thereof. The data caching apparatus includes a rendering repository server, and a plurality of rendering servers including a cache client.
    Type: Application
    Filed: November 25, 2014
    Publication date: May 26, 2016
    Inventor: Kyung-Woon CHO
  • Publication number: 20160101669
    Abstract: An air freshener for a vehicle includes a housing having an air inlet and an air outlet at both ends thereof. A perfume container is provided inside the housing, in which a plurality of aromatics having different physical states are laminated. An aromatics laminated at an uppermost layer is evaporated by air passing through an interior of the housing.
    Type: Application
    Filed: February 12, 2015
    Publication date: April 14, 2016
    Inventors: June Kyu PARK, Kwang Woon CHO, Yong Jun JEE, Jae Ho KIM
  • Publication number: 20160089746
    Abstract: A spot welding gun for quenching a welding zone includes a welding tip configured to contact a metal plate material. A first electrode base is configured to have the first welding tip fixed thereto and apply a current to the first welding tip. A plurality of first cooling nozzles provided in the first electrode base and configured to spray a cooling medium around a contacting part of the welding tip. The contacting part contacts the metal plate material. A method of operation of a spot welding gun for quenching a welding zone is also disclosed.
    Type: Application
    Filed: December 3, 2014
    Publication date: March 31, 2016
    Inventor: Do Woon CHO
  • Publication number: 20150368093
    Abstract: The present invention provides a method for fabricating slanted copper nanorods. The method includes manufacturing a workpiece configured to include an etch stop layer on a wafer, placing the workpiece in a slanted position, and etching the slanted workpiece, forming a copper (Cu) layer on the slanted workpiece by plating, removing an over-plated portion from the copper layer, and removing a polysilicon (poly Si) excluding copper from the surface of the workpiece. According to the invention, copper nanorod structures having a uniform array can be fabricated in a large area at a high process yield compared to conventional methods. In addition, the angle and diameter of copper nanorods can be controlled as desired so that the applicability thereof can be greatly increased. Moreover, the present invention can be applied to processes for fabricating various devices, including semiconductor devices, MEMSs (microelectromechanical systems), optical devices, gas sensors, display devices, etc.
    Type: Application
    Filed: April 19, 2013
    Publication date: December 24, 2015
    Applicant: AJOU UNIVERSITY AND INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Sung Woon CHO, Chang Koo KIM
  • Publication number: 20150298245
    Abstract: A projection welding gun device includes an upper welding tip and a lower welding tip that are combined with a gun body through a shank, where the upper welding tip presses an upper panel corresponding to a protrusion portion that is formed on a lower panel to weld the upper and lower panels, and a rotation unit that is rotated by a driving portion is disposed between the gun body and the shank to rotate the shank.
    Type: Application
    Filed: October 22, 2014
    Publication date: October 22, 2015
    Inventors: Do-Woon Cho, Chae Won Lim, Yong Joon Cho
  • Patent number: 9139914
    Abstract: This invention relates to a method of fabricating a three-dimensional copper nanostructure, including manufacturing a specimen configured to include a SiO2 mask; performing multi-directional slanted plasma etching to form a three-dimensional etching structure layer on the specimen; performing plating so that a multi-directional slanted plasma etched portion of the specimen is filled with a metal; removing an over-plated portion and the SiO2 mask from the metal layer; and removing a portion of a surface of the specimen other than the metal which is the three-dimensional etching structure layer.
    Type: Grant
    Filed: April 23, 2014
    Date of Patent: September 22, 2015
    Assignee: Ajou University Industry-Academic Cooperation Foundation
    Inventors: Chang-Koo Kim, Sung-Woon Cho