Patents by Inventor Chang Cha
Chang Cha 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: 11946651Abstract: A portable air flow apparatus may include a base configured to be seated on a surface, a head comprising a suction inlet through which air is suctioned into the head and a discharge outlet through which the air suctioned in through the suction inlet is discharged, the suction inlet and the discharge outlet being horizontally spaced apart from each other at a right angle with respect to a vertical direction, and a column that connects the head and the base in such a manner that the head is vertically spaced from the base.Type: GrantFiled: January 26, 2022Date of Patent: April 2, 2024Assignee: LG ELECTRONICS INC.Inventors: Yu Na Jo, Deukwon Lee, Taeyun Lee, Hyunbyung Cha, Sang Yoon Lee, Min Kyu Oh, Byunghoon Park, Yeon A Jo, Chang On Lee, Jihye Lee
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Patent number: 10953632Abstract: An aluminum composite panel, containing an aerogel, includes an aerogel composite using a silica aerogel and a thermoplastic resin. A method for manufacturing the same includes providing an aluminum composite panel containing an aerogel, by molding an aerogel composite from a mixture of 1-90 wt % of a silica aerogel and 10-99 wt % of a thermoplastic resin, and then attaching aluminum plates on an upper surface and a lower surface of the aerogel composite, respectively, while an adhesive resin is coated on the upper surface and the lower surface. The aluminum composite panel containing an aerogel, manufactured according to the present invention, has a lower hygroscopic property than the conventional aluminum composite panel, due to the silica aerogel, and thus has an effect of exhibiting excellent adiabatic property and flame retardancy, retains excellent moldability, is light, and has an effect of facilitating a construction work.Type: GrantFiled: January 26, 2017Date of Patent: March 23, 2021Assignee: JIOS AEROGEL CORPORATIONInventors: Young Chul Joung, Myung Je Roh, Jong Chul Park, Min Woo Kim, In Chang Cha
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Patent number: 9951450Abstract: The present invention relates to a system for injecting a functional solution for fabric and a method for manufacturing fabric using same. The system includes: a first supply portion; a second supply portion provided with a distributing device; an injection portion provided with a needle; a drying portion provided with a hot air blower or a blower; and a collection portion provided with a collecting roll. An injection method is provided in which the needle on the injection portion, installed so as to be moved reciprocally, is directly inserted into the fabric to inject the functional solution, so that the functional solution is absorbed from the outer surface to the inside of the fabric.Type: GrantFiled: January 15, 2016Date of Patent: April 24, 2018Assignee: Armacell JIOS Aerogels LimitedInventors: Young chul Joung, Myung je Roh, Jong chul Park, Min woo Kim, Mun hyeong Lee, In chang Cha
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Patent number: 9885133Abstract: A permeation system for permeating a wetting agent into fabric includes a fabric supply part; a permeation part provided with a permeation device and a height adjustment device; a drying part; and a collecting part for winding the fabric, which has passed through the drying part, around a collecting roll, thereby obtaining functional fabric of uniform quality and increasing productivity of the fabric into which the wetting agent is permeated. A method for manufacturing fabric includes adjusting the height of the permeation paddle contacting the fabric; supplying the fabric; supplying a wetting agent to be permeated into the fabric; rotating the permeation roller and the permeation paddle to permeate the wetting agent into the fabric; drying the fabric into which the wetting agent is permeated; and collecting the fabric.Type: GrantFiled: July 22, 2013Date of Patent: February 6, 2018Assignee: JIOS Aerogel LimitedInventors: Young Chul Joung, Myung Je Roh, Jong Chul Park, Min Woo Kim, Mun Hyeong Lee, In Chang Cha, Hyoung Gook Kim
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Publication number: 20170190148Abstract: An aluminum composite panel, containing an aerogel, includes an aerogel composite using a silica aerogel and a thermoplastic resin. A method for manufacturing the same includes providing an aluminum composite panel containing an aerogel, by molding an aerogel composite from a mixture of 1-90 wt % of a silica aerogel and 10-99 wt % of a thermoplastic resin, and then attaching aluminum plates on an upper surface and a lower surface of the aerogel composite, respectively, while an adhesive resin is coated on the upper surface and the lower surface. The aluminum composite panel containing an aerogel, manufactured according to the present invention, has a lower hygroscopic property than the conventional aluminum composite panel, due to the silica aerogel, and thus has an effect of exhibiting excellent adiabatic property and flame retardancy, retains excellent moldability, is light, and has an effect of facilitating a construction work.Type: ApplicationFiled: January 26, 2017Publication date: July 6, 2017Inventors: Young Chul JOUNG, Myung Je ROH, Jong Chul PARK, Min Woo KIM, In Chang CHA
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Publication number: 20160222565Abstract: The present invention relates to a permeation system for fabric and a method for manufacturing fabric using the same, and the permeation system for permeating a wetting agent into fabric comprises: a fabric supply part; a permeation part provided with a permeation device and a height adjustment device; a drying part; and a collecting part for winding the fabric, which has passed through the drying part, around a collecting roll, thereby obtaining functional fabric of uniform quality and increasing productivity of the fabric into which the wetting agent is permeated.Type: ApplicationFiled: July 22, 2013Publication date: August 4, 2016Applicant: JIOS AEROGEL CORPOPRATIONInventors: Young Chul JOUNG, Myung Je ROH, Jong Chul PARK, Min Woo KIM, Mun Hyeong LEE, In Chang CHA, Hyoung Gook KIM
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Patent number: 9383978Abstract: An apparatus and method for optimizing an application to be executed in an execution environment of a client are provided. For example, on-demand optimizing of the performance of applications may be performed such that the applications are suitable for execution environments of various types of Consumer Electronic (CE) equipment, in order to distribute high performance applications.Type: GrantFiled: December 3, 2010Date of Patent: July 5, 2016Assignee: Samsung Electronics Co., Ltd.Inventors: Sun-Ae Seo, Byung-Chang Cha, Dae-Hyun Cho, Sung-do Moon
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Publication number: 20160130736Abstract: The present invention relates to a system for injecting a functional solution for fabric and a method for manufacturing fabric using same. The system includes: a first supply portion; a second supply portion provided with a distributing device; an injection portion provided with a needle; a drying portion provided with a hot air blower or a blower; and a collection portion provided with a collecting roll. An injection method is provided in which the needle on the injection portion, installed so as to be moved reciprocally, is directly inserted into the fabric to inject the functional solution, so that the functional solution is absorbed from the outer surface to the inside of the fabric.Type: ApplicationFiled: January 15, 2016Publication date: May 12, 2016Inventors: Young chul JOUNG, Myung je ROH, Jong chul PARK, Min woo KIM, Mun hyeong LEE, In chang CHA
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Patent number: 9212578Abstract: The present invention relates to an exhaust manifold for preventing condensate and gas leakage in an engine, and more particularly, to an exhaust manifold for preventing condensate and gas leakage in an engine, capable of preventing peripheries of the engine from being contaminated by condensate and/or exhaust gas leaking from interiors of a plurality of exhaust manifolds to the outside through connection portions of the exhaust manifolds.Type: GrantFiled: November 10, 2011Date of Patent: December 15, 2015Assignee: Doosan Infracore Co., Ltd.Inventors: Soon Chang Cha, Kwang Soo Kim
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Patent number: 8817872Abstract: A method and apparatus effectively encode multiple layers using interlayer information in a multi-layered video codec. The method includes reading information concerning the low layer picture, calculating weighting factors using the information concerning the low layer picture, calculating a weighted sum of reference pictures for the current picture using the weighting factors and generating a predicted picture for the current picture, and encoding a difference between the current picture and the predicted picture.Type: GrantFiled: April 26, 2006Date of Patent: August 26, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Kyo-hyuk Lee, Sang-chang Cha, Woo-jin Han
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Patent number: 8667089Abstract: Provided are an apparatus and method for executing an application. Using the apparatus and method, an application is executed in a terminal directly, or by receiving a computing service from a remote server. After an execution time and/or power consumption of when the application is executed in the terminal directly, and an execution time and/or power consumption when the computing service is received from the remote server are estimated, one of the application execution methods of the two cases may be selected according to the estimated values. The estimated values may be determined based on a state of the terminal, the quality of service (QoS) state of the remote server, and a characteristic of the application.Type: GrantFiled: July 29, 2010Date of Patent: March 4, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Dae-Hyun Cho, Sung-Do Moon, Byung-Chang Cha, Sun-Ae Seo
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Publication number: 20140041372Abstract: The present invention relates to an exhaust manifold for preventing condensate and gas leakage in an engine, and more particularly, to an exhaust manifold for preventing condensate and gas leakage in an engine, capable of preventing peripheries of the engine from being contaminated by condensate and/or exhaust gas leaking from interiors of a plurality of exhaust manifolds to the outside through connection portions of the exhaust manifolds.Type: ApplicationFiled: November 10, 2011Publication date: February 13, 2014Applicant: DOOSAN INFRACORE CO., LTD.Inventors: Soon Chang Cha, Kwang Soo Kim
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Patent number: 8559520Abstract: A motion vector compression apparatus includes: a down-sampling module for down-sampling an original frame to have a size of a frame in each layer; a motion vector search module for obtaining a motion vector in which an error or a cost function is minimized with respect to the down-sampled frame; a reference vector generation module for generating a reference motion vector in a predetermined enhanced layer by means of a block of a lower layer corresponding to a predetermined block in the predetermined enhanced layer, and motion vectors in blocks around the block; and a motion difference module for calculating a difference between the obtained motion vector and the reference motion vector.Type: GrantFiled: September 16, 2011Date of Patent: October 15, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Ho-Jin Ha, Sang-Chang Cha, Woo-jin Han
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Patent number: 8542750Abstract: A deblocking filter used in a video encoder/decoder based on a multilayer is disclosed. The deblocking filtering method includes choosing a present block and its neighboring block on which a deblocking filtering will be performed, judging whether the present block and the neighboring block have been coded by the intra BL mode, choosing a deblocking filter strength according to the result of the judgment, and performing the deblocking filtering with respect to a boundary between the present block and the neighboring block and according to the deblocking filter strength.Type: GrantFiled: January 3, 2006Date of Patent: September 24, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Sang-chang Cha, Ho-jin Ha, Kyo-hyuk Lee, Bae-keun Lee, Jae-young Lee, Woo-jin Han
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Patent number: 8520962Abstract: A method and apparatus of improving the compression efficiency of a motion vector is provided. The method includes obtaining a motion vector in a base layer frame having a first frame rate from an input frame, obtaining a motion vector in a first enhancement layer frame having a second frame rate from the input frame, the second frame rate being greater than the first frame rate, generating a predicted motion vector by referring to a motion vector for at least one frame among base layer frames present immediately before and after the same temporal position as the first enhancement layer frame if there is no base layer frame at the same temporal position as the first enhancement layer frame, and coding a difference between the motion vector in the first enhancement layer frame and the generated predicted motion vector, and the obtained motion vector in the base layer.Type: GrantFiled: January 23, 2012Date of Patent: August 27, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Woo-jin Han, Kyo-hyuk Lee, Jae-young Lee, Sang-chang Cha, Bae-keun Lee, Ho-jin Ha
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Patent number: 8446952Abstract: A method and apparatus are provided for effectively predicting a video frame that use all of the advantages of an intra mode and an intra BL mode in multi-layer structure based-video coding. The method includes reconstructing the intra block of a lower layer using the previously reconstructed first neighboring blocks of the intra block; subtracting the first neighboring blocks from previously stored the second neighboring blocks of an upper layer corresponding to the first neighboring blocks; creating a differential predicted block based on a predetermined intra prediction mode by performing intra prediction using virtual differential neighboring blocks that are created as a result of the subtraction; adding the differential predicted block and the reconstructed intra block; and subtracting a predicted block, which is created as a result of the addition, from a block of the upper layer corresponding to the intra block.Type: GrantFiled: March 26, 2012Date of Patent: May 21, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Sang-chang Cha, Woo-jin Han
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Patent number: 8411753Abstract: A color space scalable video coding and decoding method and an apparatus for the same are disclosed that can adjust color components or color depth according to the performance of a decoder side. The color space scalable video coding method includes generating transform coefficients by removing the temporal redundancy and spatial redundancy of input video frames, quantizing the transform coefficients, generating a bit stream by entropy coding the quantized transform coefficients, and generating a color space scalable bit stream that includes the bit stream and position information of luminance data in the bit stream.Type: GrantFiled: March 6, 2006Date of Patent: April 2, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Sang-chang Cha, Manu Mathew, Kyo-hyuk Lee
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Patent number: 8353267Abstract: Disclosed is a piston for an engine having a stable behavior of a piston ring. The piston for the engine includes: an upper ring, a middle ring, and an oil ring, provided in an outer circumferential portion; and a ring-shaped groove formed between the upper ring, and the middle ring, wherein the ring-shaped groove has a deep portion which has a concave shape, a straight-line shaped first gap is formed between a liner of a cylinder, and an area from the ring-shaped groove to the middle ring, and the first gap is larger than a gap between the liner of the cylinder, and an area from a portion provided with the upper ring to the ring-shaped groove. In the disclosed piston, a blow-by gas, which is a mixed gas flowed into a crank case from a combustion chamber by passing through a gap between the cylinder and the piston, formed below the ring-shaped groove, is stabilized, thereby stabilizing the behavior of the upper ring and the middle ring.Type: GrantFiled: August 12, 2010Date of Patent: January 15, 2013Assignee: Doosan Infracore Co., Ltd.Inventors: Soon Chang Cha, Eui Seon Song
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Patent number: 8351502Abstract: A method and apparatus for adaptively selecting a context model for entropy coding and a video decoder are provided. A method of coding a residual prediction flag indicating whether residual data for an enhancement layer block of a multi-layered video signal is predicted from residual data for a lower layer block corresponding to the residual data for the enhancement layer block includes the steps of calculating the energy of the residual data for the lower layer block, determining a coding method for the residual prediction flag according to the energy, and coding the residual prediction flag using the determined coding method.Type: GrantFiled: April 18, 2006Date of Patent: January 8, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Bae-keun Lee, Kyo-hyuk Lee, Sang-chang Cha, Woo-jin Han
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Patent number: 8336041Abstract: A compiler allocates an unroll_group_number conferred based on a sequence in which a loop body is replicated by loop unrolling to each loop body during loop unrolling based on the optimized number of loop unrolling. The allocated unroll_group_number is added to each instruction included in each loop body. A priority of an instruction is adjusted based on the allocated unroll_group_number during instruction scheduling.Type: GrantFiled: September 11, 2009Date of Patent: December 18, 2012Assignee: Samsung Electronics Co., Ltd.Inventor: Byung-chang Cha