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).
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Patent number: 11970616Abstract: 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: GrantFiled: December 20, 2019Date of Patent: April 30, 2024Assignee: LG Chem, Ltd.Inventors: Kyoung Hwan Oh, Hyo Jin Bae, Hyun Woong Park, Jeong Heon Ahn, Jae Hyeong Park
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Patent number: 11146089Abstract: 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: GrantFiled: November 27, 2020Date of Patent: October 12, 2021Inventors: Jin Yong Lee, Jeong Hun Lee, Su Jin Lee, Myoung Hoon Choi, Jeong Hwan Ahn
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Publication number: 20210175730Abstract: 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: ApplicationFiled: November 27, 2020Publication date: June 10, 2021Inventors: Jin Yong LEE, Jeong Hun LEE, Su Jin LEE, Myoung Hoon CHOI, Jeong Hwan AHN
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Publication number: 20210175737Abstract: 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: ApplicationFiled: November 27, 2020Publication date: June 10, 2021Inventors: Jin Yong LEE, Jeong Hun LEE, Su Jin LEE, Myoung Hoon CHOI, Jeong Hwan AHN
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Patent number: 9454222Abstract: 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: GrantFiled: January 29, 2010Date of Patent: September 27, 2016Assignee: Samsung Electronics Co., Ltd.Inventors: Hyun Jeong Lee, Seung Ju Han, Joon Ah Park, Wook Chang, Jeong Hwan Ahn
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Publication number: 20160259409Abstract: 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: ApplicationFiled: January 29, 2010Publication date: September 8, 2016Applicant: Samsung Electronics Co., Ltd.Inventors: Hyun Jeong Lee, Seung Ju Han, Joon Ah Park, Wook Chang, Jeong Hwan Ahn
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Patent number: 9424663Abstract: 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: GrantFiled: June 20, 2014Date of Patent: August 23, 2016Assignees: Samsung Electronics Co., Ltd., Korea University Industrial & Academic Collaboration FoundationInventors: Min Su Ahn, Jeong Hwan Ahn, Jae Kyun Ahn, Dae Youn Lee, Chang Su Kim
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Patent number: 9047676Abstract: 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: GrantFiled: May 3, 2010Date of Patent: June 2, 2015Assignees: Samsung Electronis Co., Ltd., SNU R&DB FoundationInventors: In Woo Ha, Jehee Lee, Jeong Hwan Ahn, Jongmin Kim
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Publication number: 20140300598Abstract: 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: ApplicationFiled: June 20, 2014Publication date: October 9, 2014Inventors: Min Su AHN, Jeong Hwan AHN, Jae Kyun AHN, Dae Youn LEE, Chang Su KIM
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Patent number: 8743349Abstract: 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: GrantFiled: November 26, 2012Date of Patent: June 3, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Hyun Jung Shim, Jae Young Sim, Do Kyoon Kim, Jeong Hwan Ahn, Alexander Hornung, Markus Gross, Rolf Adelsberger
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Patent number: 8487926Abstract: 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: GrantFiled: March 27, 2008Date of Patent: July 16, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Hee-sae Lee, Young-Ihn Kho, Jeong-hwan Ahn, Do-kyoon Kim
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Publication number: 20130038601Abstract: 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: ApplicationFiled: May 8, 2010Publication date: February 14, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung Ju Han, Jae Joon Han, Jeong Hwan Ahn, Hyun Jeong Lee, Wong Chul Bang, Joon Ah Park
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Patent number: 8339582Abstract: 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: GrantFiled: November 12, 2010Date of Patent: December 25, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Hyun Jung Shim, Jae Young Sim, Do Kyoon Kim, Jeong Hwan Ahn, Alexander Hornung, Markus Gross, Rolf Adelsberger
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Patent number: 8254705Abstract: 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: GrantFiled: July 1, 2011Date of Patent: August 28, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Jeong-hwan Ahn, Mahn-jin Han
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Publication number: 20120169740Abstract: 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: ApplicationFiled: June 25, 2010Publication date: July 5, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae Joon Han, Seung Ju Han, Hyun Jeong Lee, Won Chul Bang, Jeong Hwan Ahn, Do Kyoon Kim
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Patent number: 8130220Abstract: 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: GrantFiled: December 31, 2007Date of Patent: March 6, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Jeong-hwan Ahn, Kee-chang Lee
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Publication number: 20120002891Abstract: 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: ApplicationFiled: July 1, 2011Publication date: January 5, 2012Applicant: Samsung Electronics Co., Ltd.Inventors: Jeong-hwan Ahn, Mahn-jin Han
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Publication number: 20110310376Abstract: 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: ApplicationFiled: November 12, 2010Publication date: December 22, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyun Jung Shim, Jae Young Sim, Do Kyoon Kim, Jeong Hwan Ahn, Alexander Hornung, Markus Gross, Rolf Adelsberger
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Patent number: 8072464Abstract: 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: GrantFiled: May 25, 2007Date of Patent: December 6, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Sang-Oak Woo, Do-Kyoon Kim, Kee-Chang Lee, Jeong-Hwan Ahn, Se-Yoon Tak, Sergey U. Belyaev
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Publication number: 20110202273Abstract: 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: ApplicationFiled: December 2, 2010Publication date: August 18, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Igor NOGTEV, Jeong Hwan AHN, Min Su AHN, Ki Cheol LEE, Jae Bok LEE