Patents by Inventor Kwang-Soon Choi
Kwang-Soon Choi 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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Publication number: 20240043471Abstract: There is provided a method of synthesizing the tetrapeptide exhibiting an anti-wrinkle activity consisting of the amino acid sequence of glycine(Gly)-glutamine(Gln)-valine(Val)-serine(Ser) (SEQ ID NO: 1). The method includes: preparing a peptidyl resin by utilizing 2-(4-nitrophenyl) sulfonylethoxycarbonyl-amino acid (Nsc-amino acid); adding an eluting solution to the prepared resin; and filtering the resin and obtaining the tetrapeptide.Type: ApplicationFiled: July 7, 2023Publication date: February 8, 2024Applicant: ANPEP INC.Inventors: Sang Moon KANG, Kae Young LEE, Kwang Soon CHOI, Sang Joo CHA
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Publication number: 20230183289Abstract: Disclosed is a novel peptide, which is a highly functional peptide derived from a natural fermentation product exhibiting an anti-wrinkle activity. A tetrapeptide consists of an amino acid sequence of glycine (Gly)-glutamine (Gln)-valine (Val)-serine (Ser) (SEQ ID NO: 1). The peptide is synthesized by utilizing 2-(4-nitrophenyl)sulfonylethoxycarbonyl-amino acid (Nsc-amino acid) as an intermediate. The anti-wrinkle activity is exhibited through the inhibition of elastase. The anti-wrinkle activity is exhibited through collagen synthesis.Type: ApplicationFiled: December 9, 2021Publication date: June 15, 2023Applicant: ANPEP INC.Inventors: Sang Moon KANG, Kee Young LEE, Kwang Soon CHOI, Sang Joo CHA
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Patent number: 10129537Abstract: An autostereoscopic three-dimensional (3D) display apparatus is provided. The autostereoscopic 3D display apparatus includes an image display unit configured to display a 3D image including a 3D virtual object or a 3D image including a 3D virtual object and text; and an optical unit configured to reflect or transmit the displayed 3D image from the image display unit toward a viewer, transmit an image of a real object facing the viewer, and display a combination of the 3D image and the image of the real object to the viewer.Type: GrantFiled: March 24, 2017Date of Patent: November 13, 2018Assignee: Korea Electronics Technology InstituteInventors: Yang Keun Ahn, Kwang Soon Choi, Young Choong Park
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Publication number: 20180103249Abstract: An autostereoscopic three-dimensional (3D) display apparatus is provided. The autostereoscopic 3D display apparatus includes an image display unit configured to display a 3D image including a 3D virtual object or a 3D image including a 3D virtual object and text; and an optical unit configured to reflect or transmit the displayed 3D image from the image display unit toward a viewer, transmit an image of a real object facing the viewer, and display a combination of the 3D image and the image of the real object to the viewer.Type: ApplicationFiled: March 24, 2017Publication date: April 12, 2018Inventors: Yang Keun AHN, Kwang Soon CHOI, Young Choong PARK
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Publication number: 20180103210Abstract: A camera system for object recognition is disclosed. In one aspect, the system includes an active three-dimensional (3D) sensor configured to obtain a 3D point cloud which corresponds to 3D position values of an object, and a controller configured to generate control data for controlling a zoom value, a pan value, and a tilt value which correspond to the 3D position values. The system also includes a camera configured to photograph the object by performing one or more of zooming, panning, and tilting on the basis of the control data.Type: ApplicationFiled: March 2, 2017Publication date: April 12, 2018Inventors: Young Choong Park, Kwang Soon Choi, Yang Keun Ahn
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Publication number: 20180089854Abstract: A three-dimensional (3D) transparent display device is provided. The 3D transparent display device includes a position obtaining unit configured to obtain information regarding 3D positions of both eyes of a user and a 3D position of a real object; a controller configured to estimate a two-dimensional (2D) position on a display screen at which an image of a virtual object is to be displayed on the basis of the 3D positions of the both eyes of the user and the 3D position of the real object; and a 3D transparent display panel configured to display the image of the virtual object on the display screen on the basis of the estimated 2D position of the virtual object.Type: ApplicationFiled: March 24, 2017Publication date: March 29, 2018Inventors: Yang Keun AHN, Kwang Soon CHOI, Young Choong PARK
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Publication number: 20150026646Abstract: Provided is a user interface (UI) apparatus based on a hand gesture. The UI apparatus includes an image processing unit configured to detect a position of an index finger and a center position of a hand from a depth image obtained by photographing a user's hand, and detect a position of a thumb on a basis of the detected position of the index finger and the detected center position of the hand, a hand gesture recognizing unit configured to recognize a position change of the index finger and a position change of the thumb, and a function matching unit configured to match the position change of the index finger to a predetermined first function, match the position change of the thumb to a predetermined second function, and output a control signal for executing each of the matched functions.Type: ApplicationFiled: November 6, 2013Publication date: January 22, 2015Applicant: Korea Electronics Technology InstituteInventors: Yang Keun AHN, Kwang Mo JUNG, Young Choong PARK, Kwang Soon CHOI
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Patent number: 8786576Abstract: Disclosed herein is a 3D space touch apparatus. The 3D space touch apparatus includes a support, an infrared LED array, left and right infrared cameras, and a space touch sensor module. The support supports the infrared LED array and the left and right infrared cameras. The infrared LED array emits infrared rays, which form an infrared screen in a space above the support. The left and right infrared cameras are disposed on the left and right sides of the support so that the lenses thereof can be oriented to the infrared screen. The space touch sensor module calculates the X-, Y- and Z-axis coordinates of a location of the infrared screen, touched by user pointing means, using images captured by the left and right infrared cameras and information about the resolutions and angles of view of the left and right infrared cameras.Type: GrantFiled: December 21, 2010Date of Patent: July 22, 2014Assignee: Korea Electronics Technology InstituteInventors: Kwang Mo Jung, Young Choong Park, Kwang Soon Choi, Woo Chul Park, Hae Moon Seo, Yang Keun Ahn
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Publication number: 20140168265Abstract: Disclosed is a head-up display apparatus based on AR that three-dimensionally displays augmented image information on an object external to a vehicle on the basis of actual distance information between the vehicle and the external object, and thus can provide realistic information to a driver. The head-up display apparatus includes a distance information generating unit configured to receive an image signal from an image signal inputting apparatus capturing an image in front of a vehicle and generate distance information on each of a plurality of objects in the front image, an information image generating unit configured to generate an information image of each object in the front image, and an augmentation processing unit configured to generate augmented information image of each object on the basis of the distance information on each object.Type: ApplicationFiled: July 18, 2013Publication date: June 19, 2014Inventors: Yang Keun AHN, Young Choong PARK, Kwang Soon CHOI, Kwang Mo JUNG
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Patent number: 8633961Abstract: A mobile terminal and a method of providing a video call using the same are disclosed. More particularly, a mobile terminal capable of supporting a video call while ensuring user's privacy by mounting a three-dimensional depth camera and a two-dimensional camera in the mobile terminal and a method of providing a video call using the same are disclosed. The mobile terminal of the present invention includes a 2D camera 200 capturing a 2D video and a 3D depth camera 210 capturing a 3D depth video; an individual image separation module 112 extracting boundary information between a user and a background by using depth information regarding a video captured by the 3D depth camera 210; a composite video generation module 114 separating the user video from the video captured by the 2D camera 200 by using the extracted boundary information and composing the separated user video and the set background video.Type: GrantFiled: November 30, 2011Date of Patent: January 21, 2014Assignee: Korean Electronics Technology InstituteInventors: Kwang Mo Jung, Sung Hee Hong, Byoung Ha Park, Young Choong Park, Kwang Soon Choi, Yang Keun Ahn, Hoonjong Kang
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Publication number: 20130127705Abstract: The present invention relates to an apparatus for touching a projection of a 3D image on an infrared screen using a single-infrared camera, and more specifically to an apparatus for touching a projection of a 3D image, which projects an image in a free space; recognizes a position touched by a user on the projected image and thus can process an order from a user on the basis of the recognized touched position. The present invention can provide tangible and interactive user interfaces to users. In particular, it is possible to implement various UIs (User Interface), in comparison to an apparatus for touching a projection of a 2D image of the related art, by using the Z-axial coordinate on the infrared screen as the information on depth.Type: ApplicationFiled: June 21, 2012Publication date: May 23, 2013Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTEInventors: Kwang Mo JUNG, Sung Hee HONG, Byoung Ha PARK, Young Choong PARK, Kwang Soon CHOI, Yang Keun AHN
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Publication number: 20130127704Abstract: The present disclosure relates to a spatial touch apparatus using a single infrared camera. More particularly, it relates to a spatial touch apparatus to implement a virtual touch screen in a free space by using an infrared light emitting diode (LED) array and a single infrared camera and to calculate X-axis and Z-axis coordinates of the infrared screen touched by a user indication object. Therefore, the present invention will provide tangible and interactive user interfaces to users and can implement more various user interfaces (UI) than a conventional 2D touch apparatus.Type: ApplicationFiled: June 19, 2012Publication date: May 23, 2013Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTEInventors: Kwang Mo JUNG, Sung Hee HONG, Byoung Ha PARK, Young Choong PARK, Kwang Soon CHOI, Yang Keun AHN
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Publication number: 20120140019Abstract: A mobile terminal and a method of providing a video call using the same are disclosed. More particularly, a mobile terminal capable of supporting a video call while ensuring user's privacy by mounting a three-dimensional depth camera and a two-dimensional camera in the mobile terminal and a method of providing a video call using the same are disclosed. The mobile terminal of the present invention includes a 2D camera 200 capturing a 2D video and a 3D depth camera 210 capturing a 3D depth video; an individual image separation module 112 extracting boundary information between a user and a background by using depth information regarding a video captured by the 3D depth camera 210; a composite video generation module 114 separating the user video from the video captured by the 2D camera 200 by using the extracted boundary information and composing the separated user video and the set background video.Type: ApplicationFiled: November 30, 2011Publication date: June 7, 2012Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTEInventors: Kwang Mo Jung, Sung Hee Hong, Byoung Ha Park, Young Choong Park, Kwang Soon Choi, Yang Keun Ahn, Hoonjong Kang
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Publication number: 20120113104Abstract: A table type 3D video display device and a table type interactive user interface are disclosed. More particularly, a method for providing services such as games, education, shopping, virtual experience, or the like, of a 3D type is disclosed. The interactive 3D system of the present invention includes a table type 3D display module 210 displaying 3D videos; a spatial touch recognition module 200 monitoring a position of user's fingers interacting with the displayed 3D videos; and an interaction computing module 230 controlling the 3D display module and the spatial touch recognition module 200.Type: ApplicationFiled: November 3, 2011Publication date: May 10, 2012Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTEInventors: Kwang Mo Jung, Sung Hee Hong, Byoung Ha Park, Young Choong Park, Kwang Soon Choi, Yang Keun Ahn, Hoonjong Kang
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Patent number: 8165115Abstract: Disclosed is a system for data-switching variable-length packets of a heterogeneous network which includes: at least two switching interface modules connected to at least two networks respectively to transceive packets; a switching chip for receiving the packets from a first switching interface module among the at least two switching interface modules and for switching the received packets to a second switching interface module among the at least two switching interface modules; a SERDES (serialization and deserialization) channel for transmitting the packets between the switching interface module and the switching chip; and a signaling channel for transmitting a port number between the switching interface module and the switching chip.Type: GrantFiled: December 28, 2006Date of Patent: April 24, 2012Assignee: Korea Electronics Technology InstituteInventors: Kwang Soon Choi, Young Choong Park, Yang Keun Ahn, Kwang Mo Jung
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Publication number: 20110148821Abstract: Disclosed herein is an infrared screen-type space touch apparatus. The infrared screen-type space touch apparatus includes an infrared LED array provided with infrared LEDs arranged in a line, and configured to emit infrared rays and generate an infrared screen in a space. An infrared camera is installed to allow a lens thereof to face the infrared screen. A space touch sensor module senses a location touched by a user pointing means on the infrared screen from a gray scale image captured by the infrared camera. Further, the infrared screen-type space touch apparatus may further include a pulse generation unit configured to periodically generate a pulse signal, and an LED driver unit coupled to the pulse generation unit and configured to supply pulsed DC power to the infrared LED array.Type: ApplicationFiled: December 21, 2010Publication date: June 23, 2011Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTEInventors: Yang Keun Ahn, Kwang Mo Jung, Sung Hee Hong, Byoung Ha Park, Young Choong Park, Kwang Soon Choi
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Publication number: 20110148822Abstract: Disclosed herein is a 3D space touch apparatus. The 3D space touch apparatus includes a support, an infrared LED array, left and right infrared cameras, and a space touch sensor module. The support supports the infrared LED array and the left and right infrared cameras. The infrared LED array emits infrared rays, which form an infrared screen in a space above the support. The left and right infrared cameras are disposed on the left and right sides of the support so that the lenses thereof can be oriented to the infrared screen. The space touch sensor module calculates the X-, Y- and Z-axis coordinates of a location of the infrared screen, touched by user pointing means, using images captured by the left and right infrared cameras and information about the resolutions and angles of view of the left and right infrared cameras.Type: ApplicationFiled: December 21, 2010Publication date: June 23, 2011Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTEInventors: Kwang Mo Jung, Young Choong Park, Kwang Soon Choi, Woo Chul Park, Hae Moon Seo, Yang Keun Ahn
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Patent number: 7882254Abstract: The present invention provides common protocol architecture and methods for transmitting data between different network protocols and a common protocol packet. The common protocol architecture comprises an application layer; a common protocol layer positioned under the application layer, the common protocol layer enabling data communications between the different protocols; a presentation layer positioned under the common protocol layer; a session layer positioned under the presentation layer; a transport layer positioned under the session layer; a network layer positioned under the transport layer; a data link layer positioned under the network layer; and a physical layer positioned under the data link layer. The common protocol packet comprises a common protocol header with information about a packet and a payload with the contents of data.Type: GrantFiled: November 25, 2003Date of Patent: February 1, 2011Assignee: Korea Electronics Technology InstituteInventors: Kwang-Soon Choi, Seung-Ok Lim, Kwangmo Jung, Kyeung-Hak Seo
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Publication number: 20100295823Abstract: An apparatus for touching a reflection image using an infrared screen, more particularly to an apparatus for touching a reflection image using an infrared screen comprising infrared LEDs, an infrared camera, and a projector for projecting an image in free space so as to implement a virtual touch screen in free space. The apparatus for touching a reflection image using an infrared screen includes: an infrared LED array configured to generate infrared rays and creates an infrared screen in free space, an infrared camera installed such that the lens is directed toward the infrared screen, a projector configured to project an image into the infrared screen, and a space touch sensing module configured to sense a touch location on the infrared screen where user's pointing means is touched using the gray scale image captured by the infrared camera.Type: ApplicationFiled: March 18, 2010Publication date: November 25, 2010Applicant: Korea Electronics Technology InstituteInventors: Yang Keun Ahn, Kwang Mo Jung, Young Choong Park, Kwang Soon Choi, Woo Chool Park, Hae Moon Seo
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Publication number: 20070147386Abstract: The present invention relates to a system for switching variable-length data packets of a heterogeneous network and a method for the same; and, more particularly, to a switching of variable-length data packets of a heterogeneous network through a serial communication between switching chips to switch the packets with a switching interface module having a network value representing a type of a specific network and a port number of a port which is connected to itself.Type: ApplicationFiled: December 28, 2006Publication date: June 28, 2007Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTEInventors: Kwang Soon Choi, Young Choong Park, Yang Keun Ahn, Kwang Mo Jung