Patents by Inventor Jeong Hwan Ahn

Jeong Hwan Ahn 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: 11970616
    Abstract: A modified conjugated diene-based polymer having high linearity and improved compounding properties is provided. The modified conjugated diene-based polymer includes phosphor, sulfur and chlorine in specific amount ranges, and the degree of branching is controlled, and accordingly, if applied to a rubber composition, tensile strength and viscoelasticity may be excellent, and processability may be markedly improved.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: April 30, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Kyoung Hwan Oh, Hyo Jin Bae, Hyun Woong Park, Jeong Heon Ahn, Jae Hyeong Park
  • Patent number: 11146089
    Abstract: According to an embodiment, there is provided an energy harvesting system using linear kinetic energy based on induction power generation. According to various embodiments, there may be provided an energy harvesting system using linear kinetic energy based on induction power generation, which may minimize the occasions of replacing or recharging the battery in battery-powered products by using the force or energy generated from a linearly reciprocating machine or device and may allow the battery to be charged when linear kinetic energy is generated and, otherwise, discharged, using an automatic battery charging/discharging system.
    Type: Grant
    Filed: November 27, 2020
    Date of Patent: October 12, 2021
    Inventors: Jin Yong Lee, Jeong Hun Lee, Su Jin Lee, Myoung Hoon Choi, Jeong Hwan Ahn
  • Publication number: 20210175730
    Abstract: According to an embodiment, there is provided an energy harvesting system using linear kinetic energy based on induction power generation. According to various embodiments, there may be provided an energy harvesting system using linear kinetic energy based on induction power generation, which may minimize the occasions of replacing or recharging the battery in battery-powered products by using the force or energy generated from a linearly reciprocating machine or device and may allow the battery to be charged when linear kinetic energy is generated and, otherwise, discharged, using an automatic battery charging/discharging system.
    Type: Application
    Filed: November 27, 2020
    Publication date: June 10, 2021
    Inventors: Jin Yong LEE, Jeong Hun LEE, Su Jin LEE, Myoung Hoon CHOI, Jeong Hwan AHN
  • Publication number: 20210175737
    Abstract: According to an embodiment, an industrial wireless charging system using a magnetic resonance manner comprises a pneumatic cylinder having a shaft and a body to reciprocate the shaft, a solenoid valve suppling and exhausting air to/from the body of the pneumatic cylinder, a position sensor installed in the body of the pneumatic cylinder, detecting a position of the shaft, and receiving power from a rechargeable battery, and a controller controlling an operation of the solenoid valve based on an input value to the position sensor. The controller includes a wireless charging transmitter to wirelessly supply charging energy in a magnetic resonance manner. The position sensor includes a wireless charging receiver to receive the charging energy and charge the battery with the charging energy in a magnetic resonance manner.
    Type: Application
    Filed: November 27, 2020
    Publication date: June 10, 2021
    Inventors: Jin Yong LEE, Jeong Hun LEE, Su Jin LEE, Myoung Hoon CHOI, Jeong Hwan AHN
  • Patent number: 9454222
    Abstract: An object manipulation apparatus and method model an object for manipulation of a virtual object, suggest object operation schema, define a physical and mental condition of an avatar, and set motion data of the avatar.
    Type: Grant
    Filed: January 29, 2010
    Date of Patent: September 27, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun Jeong Lee, Seung Ju Han, Joon Ah Park, Wook Chang, Jeong Hwan Ahn
  • Publication number: 20160259409
    Abstract: An object manipulation apparatus and method model an object for manipulation of a virtual object, suggest object operation schema, define a physical and mental condition of an avatar, and set motion data of the avatar.
    Type: Application
    Filed: January 29, 2010
    Publication date: September 8, 2016
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyun Jeong Lee, Seung Ju Han, Joon Ah Park, Wook Chang, Jeong Hwan Ahn
  • Patent number: 9424663
    Abstract: Disclosed is a three-dimensional (3D) mesh compression apparatus and method. The 3D mesh compression apparatus may generate a base mesh through a mesh simplification, may separately compress the base mesh and vertices eliminated by the simplification, and may compress 3D mesh data based on the covariance matrix.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: August 23, 2016
    Assignees: Samsung Electronics Co., Ltd., Korea University Industrial & Academic Collaboration Foundation
    Inventors: Min Su Ahn, Jeong Hwan Ahn, Jae Kyun Ahn, Dae Youn Lee, Chang Su Kim
  • Patent number: 9047676
    Abstract: Provided is a data processing apparatus that may include a storage unit, a first calculator, and a second calculator. The storage unit may store a plurality of training data obtained by motion sensing. The first calculator may calculate a first transformation matrix by performing a regression analysis for the plurality of training data. The second calculator may calculate first output data by applying the first transformation matrix to first input data.
    Type: Grant
    Filed: May 3, 2010
    Date of Patent: June 2, 2015
    Assignees: Samsung Electronis Co., Ltd., SNU R&DB Foundation
    Inventors: In Woo Ha, Jehee Lee, Jeong Hwan Ahn, Jongmin Kim
  • Publication number: 20140300598
    Abstract: Disclosed is a three-dimensional (3D) mesh compression apparatus and method. The 3D mesh compression apparatus may generate a base mesh through a mesh simplification, may separately compress the base mesh and vertices eliminated by the simplification, and may compress 3D mesh data based on the covariance matrix.
    Type: Application
    Filed: June 20, 2014
    Publication date: October 9, 2014
    Inventors: Min Su AHN, Jeong Hwan AHN, Jae Kyun AHN, Dae Youn LEE, Chang Su KIM
  • Patent number: 8743349
    Abstract: An apparatus and method of correcting an image are provided. The apparatus includes a receiver to receive a depth value and a luminous intensity, the depth value and the luminous intensity being measured by at least one depth sensor, and a correction unit to read a correction depth value of a plurality of correction depth values mapped to different depth values and different luminous intensities from a first storage unit and to correct the measured depth value using the read correction depth value, the correction depth value being mapped to the measured depth value and the measured luminous intensity.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: June 3, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun Jung Shim, Jae Young Sim, Do Kyoon Kim, Jeong Hwan Ahn, Alexander Hornung, Markus Gross, Rolf Adelsberger
  • Patent number: 8487926
    Abstract: Provided is a method and apparatus for generating a 3D image including: generating a 2D panorama image showing the whole scene by combining a plurality of 2D images, each of which partially showing the scene; and generating a 3D image by folding the 2D panorama image on the basis of image information on the 2D panorama image.
    Type: Grant
    Filed: March 27, 2008
    Date of Patent: July 16, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hee-sae Lee, Young-Ihn Kho, Jeong-hwan Ahn, Do-kyoon Kim
  • Publication number: 20130038601
    Abstract: A system and method of controlling characteristics of an avatar in a virtual world may generate avatar control information based on avatar information of the virtual world and a sensor control command expressing a user intent using a sensor-based input device.
    Type: Application
    Filed: May 8, 2010
    Publication date: February 14, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Ju Han, Jae Joon Han, Jeong Hwan Ahn, Hyun Jeong Lee, Wong Chul Bang, Joon Ah Park
  • Patent number: 8339582
    Abstract: An apparatus and method of correcting an image are provided. The apparatus includes a receiver to receive a depth value and a luminous intensity, the depth value and the luminous intensity being measured by at least one depth sensor, and a correction unit to read a correction depth value of a plurality of correction depth values mapped to different depth values and different luminous intensities from a first storage unit and to correct the measured depth value using the read correction depth value, the correction depth value being mapped to the measured depth value and the measured luminous intensity.
    Type: Grant
    Filed: November 12, 2010
    Date of Patent: December 25, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun Jung Shim, Jae Young Sim, Do Kyoon Kim, Jeong Hwan Ahn, Alexander Hornung, Markus Gross, Rolf Adelsberger
  • Patent number: 8254705
    Abstract: A graphic data encoding method and apparatus generating a bitstream by encoding a header having at least one piece of first information determined in consideration of a predetermined graphic profile from among multiple pieces of encodable first information; and encoding a payload having at least one piece of second information determined in consideration of the predetermined graphic profile from among multiple pieces of encodable second information. A graphic data decoding method and apparatus decode the generated bitstream. Irrespective of the functions that can be performed by the graphic data encoding apparatus and the functions that can be performed by the graphic data decoding apparatus, the graphic data decoding apparatus, which is in accordance with a graphic profile, can completely restore a 3D mesh model described in the bitstream generated by the graphic data encoding apparatus that is satisfactory to the graphic profile.
    Type: Grant
    Filed: July 1, 2011
    Date of Patent: August 28, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong-hwan Ahn, Mahn-jin Han
  • Publication number: 20120169740
    Abstract: Provided are a display device and a non-transitory computer-readable recording medium. By comparing a priority of an animation clip corresponding to a predetermined part of an avatar of a virtual world with a priority of motion data and by determining data corresponding to the predetermined part of the avatar, a motion of the avatar in which motion data sensing a motion of a user of a real world is associated with the animation clip may be generated.
    Type: Application
    Filed: June 25, 2010
    Publication date: July 5, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae Joon Han, Seung Ju Han, Hyun Jeong Lee, Won Chul Bang, Jeong Hwan Ahn, Do Kyoon Kim
  • Patent number: 8130220
    Abstract: A method, medium and apparatus determining whether models collide with each other. In the model collision detecting method, medium and apparatus, it is possible to quickly examine whether models collide, and to recognize the collision generated at an arbitrary time, which is not a predetermined collision check time of the models, without missing the recognition of the collision generated at the arbitrary time, by determining whether paths reflecting movement of the model primitives between the current time and a previous time overlap when the model primitives do not collide at the current time, determining whether the model primitives collide with each other at an arbitrary time between the current time and the previous time when the path primitives overlap each other, and recognizing that the models collide with each other at the arbitrary time when the model primitives collide with each other at the arbitrary time.
    Type: Grant
    Filed: December 31, 2007
    Date of Patent: March 6, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong-hwan Ahn, Kee-chang Lee
  • Publication number: 20120002891
    Abstract: A graphic data encoding method and apparatus generating a bitstream by encoding a header having at least one piece of first information determined in consideration of a predetermined graphic profile from among multiple pieces of encodable first information; and encoding a payload having at least one piece of second information determined in consideration of the predetermined graphic profile from among multiple pieces of encodable second information. A graphic data decoding method and apparatus decode the generated bitstream. Irrespective of the functions that can be performed by the graphic data encoding apparatus and the functions that can be performed by the graphic data decoding apparatus, the graphic data decoding apparatus, which is in accordance with a graphic profile, can completely restore a 3D mesh model described in the bitstream generated by the graphic data encoding apparatus that is satisfactory to the graphic profile.
    Type: Application
    Filed: July 1, 2011
    Publication date: January 5, 2012
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jeong-hwan Ahn, Mahn-jin Han
  • Publication number: 20110310376
    Abstract: An apparatus and method of correcting an image are provided. The apparatus includes a receiver to receive a depth value and a luminous intensity, the depth value and the luminous intensity being measured by at least one depth sensor, and a correction unit to read a correction depth value of a plurality of correction depth values mapped to different depth values and different luminous intensities from a first storage unit and to correct the measured depth value using the read correction depth value, the correction depth value being mapped to the measured depth value and the measured luminous intensity.
    Type: Application
    Filed: November 12, 2010
    Publication date: December 22, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun Jung Shim, Jae Young Sim, Do Kyoon Kim, Jeong Hwan Ahn, Alexander Hornung, Markus Gross, Rolf Adelsberger
  • Patent number: 8072464
    Abstract: A 3D graphics processing method includes receiving a homogeneous coordinate and an attribute value of both end points of one scan line of a polygon composed of a plurality of perspective projected vertices, calculating a reference value indicating an amount of perspective distortion in the scan line using the received homogeneous coordinates, and interpolating an attribute value of each of pixels of the scan line using at least some of the received homogeneous coordinates and attribute values, the attribute value interpolated by selectively applying perspective correction to each pixel based on the reference value.
    Type: Grant
    Filed: May 25, 2007
    Date of Patent: December 6, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Oak Woo, Do-Kyoon Kim, Kee-Chang Lee, Jeong-Hwan Ahn, Se-Yoon Tak, Sergey U. Belyaev
  • Publication number: 20110202273
    Abstract: A navigation system compresses original map data to generate compressed map data. The navigation system compares a size of the original map data with a size of the compressed map data and selectively transmits the original map data or the compressed map data based on the comparison.
    Type: Application
    Filed: December 2, 2010
    Publication date: August 18, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Igor NOGTEV, Jeong Hwan AHN, Min Su AHN, Ki Cheol LEE, Jae Bok LEE