Patents by Inventor Won-taek SEO
Won-taek SEO 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: 20240057952Abstract: A radiographic device includes an radiation irradiator which can irradiate a subject with radiation, and which includes a collimator capable of selectively blocking radiation flux; an image acquisition unit for acquiring an image signal by receiving the radiation that has passed through the subject; a display unit for displaying a radiation image on the basis of the image signal; and a determination controller which can control the irradiation unit so that the irradiation range of the radiation corresponding to a selection area selected from the radiation image is implemented.Type: ApplicationFiled: December 24, 2021Publication date: February 22, 2024Applicant: DRTECH CORPORATIONInventors: Won Taek SEO, Chang Gyu LEE, Jong Woo KIM, Cheon Kyung SUNG, Jeon Min KANG
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Publication number: 20240050059Abstract: A radiographic device includes a radiation irradiator; an image acquisition unit; a support member; a driving unit driving the support member; a position information detector which detects location information indicating the location of one or more of the radiation irradiator and the image acquisition unit; a storage unit which links reference location information, indicating the location of one or more of the radiation irradiator and the image acquisition unit, with corresponding radiation output information of the radiation irradiator, and stores same as positioning information; and a determination controller which, if the location information detected by the position information detector matches with the reference location information of the positioning information, controls the radiation irradiator so that the radiation irradiator emits radiation according to the radiation output information of the corresponding positioning information.Type: ApplicationFiled: December 24, 2021Publication date: February 15, 2024Applicant: DRTECH CORPORATIONInventors: Choul Woo SHIN, Won Taek SEO, Chang Gyu LEE, Jong Woo KIM, Cheon Kyung SUNG
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Publication number: 20230325993Abstract: An X-ray imaging device includes an X-ray irradiation module, an X-ray detection module and an image processor. The image processor is configured to perform: acquiring a high-energy image and a low-energy image respectively obtained by X-ray of relatively high-energy and X-ray of relatively low-energy; generating high-energy frequency component images for each of a plurality of frequency bands by decomposing the high-energy image; generating low-energy frequency component images for each of a plurality of frequency bands by decomposing the low-energy image; generating merged frequency component images by merging at least a portion of the high-energy frequency component images for each of the plurality of frequency bands and at least a portion of the low-energy frequency component images for each of the plurality of frequency bands; and generating a standard image using the merged frequency component images.Type: ApplicationFiled: September 1, 2022Publication date: October 12, 2023Applicant: DRTECH CORPORATIONInventors: IL WOONG CHOI, Choul Woo SHIN, Mi Jung JO, Won Taek SEO
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Patent number: 10353268Abstract: Provided are an acousto-optic element, an acousto-optic element array, and a display apparatus including the acousto-optic element array. The acousto-optic element includes: an acousto-optic modulator which includes an acousto-optic layer formed of an acousto-optic material; a light supplier which supplies light to the acousto-optic modulator in a first direction; a first sound-wave modulator which applies first elastic waves to the acousto-optic modulator in a second direction; and a second sound-wave modulator which applies second elastic waves to the acousto-optic modulator in a third direction. The light supplied from the light supplier to the acousto-optic modulator is deflected by diffraction caused by the first elastic waves applied from the first sound-wave modulator and diffraction caused by the second elastic waves applied from the second sound-wave modulator, and is output from the acousto-optic modulator through a front side of the acousto-optic modulator.Type: GrantFiled: July 5, 2017Date of Patent: July 16, 2019Assignees: SAMSUNG ELECTRONICS CO., LTD., AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Seung-hoon Han, Won-taek Seo, Hae-kwan Oh, Hong-seok Lee, Eun-hyoung Cho, Kee-keun Lee
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Patent number: 10254899Abstract: An optical apparatus includes a touch substrate; a waveguide layer arranged on the touch substrate, the waveguide layer including a plurality of waveguides; an optical output structure arranged on the waveguide layer and configured to output light propagating in the plurality of waveguides at touched locations on the touch substrate; a gap layer arranged to provide a predetermined gap between the waveguide layer and the optical output structure; and an optical system, which projects light output by the optical output structure.Type: GrantFiled: June 27, 2017Date of Patent: April 9, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Won-taek Seo, Seung-hoon Han, Hong-seok Lee, Wan-joo Maeng
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Patent number: 10114268Abstract: Provided is an acousto-optic device including an elastic medium; a meta structure formed on a first surface of the elastic medium, and an elastic-wave generating unit which generates an elastic wave in the elastic medium. The meta structure includes a first layer and a second layer that is formed on the first layer. The at least one of the first layer and the second layer includes a predetermined repetitive pattern.Type: GrantFiled: January 23, 2014Date of Patent: October 30, 2018Assignees: SAMSUNG ELECTRONICS CO., LTD., AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Seung-hoon Han, Wan-joo Maeng, Won-taek Seo, Hoon Song, Hae-kwan Oh, Kee-keun Lee
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Publication number: 20170299942Abstract: Provided are an acousto-optic element, an acousto-optic element array, and a display apparatus including the acousto-optic element array. The acousto-optic element includes: an acousto-optic modulator which includes an acousto-optic layer formed of an acousto-optic material; a light supplier which supplies light to the acousto-optic modulator in a first direction; a first sound-wave modulator which applies first elastic waves to the acousto-optic modulator in a second direction; and a second sound-wave modulator which applies second elastic waves to the acousto-optic modulator in a third direction. The light supplied from the light supplier to the acousto-optic modulator is deflected by diffraction caused by the first elastic waves applied from the first sound-wave modulator and diffraction caused by the second elastic waves applied from the second sound-wave modulator, and is output from the acousto-optic modulator through a front side of the acousto-optic modulator.Type: ApplicationFiled: July 5, 2017Publication date: October 19, 2017Applicants: SAMSUNG ELECTRONICS CO., LTD., AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Seung-hoon HAN, Won-taek SEO, Hae-kwan OH, Hong-seok LEE, Eun-hyoung CHO, Kee-keun LEE
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Publication number: 20170300175Abstract: An optical apparatus includes a touch substrate; a waveguide layer arranged on the touch substrate, the waveguide layer including a plurality of waveguides; an optical output structure arranged on the waveguide layer and configured to output light propagating in the plurality of waveguides at touched locations on the touch substrate; a gap layer arranged to provide a predetermined gap between the waveguide layer and the optical output structure; and an optical system, which projects light output by the optical output structure.Type: ApplicationFiled: June 27, 2017Publication date: October 19, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Won-taek SEO, Seung-hoon HAN, Hong-seok LEE, Wan-joo MAENG
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Patent number: 9778541Abstract: Provided are an acousto-optic element, an acousto-optic element array, and a display apparatus including the acousto-optic element array. The acousto-optic element includes: an acousto-optic modulator which includes an acousto-optic layer formed of an acousto-optic material; a light supplier which supplies light to the acousto-optic modulator in a first direction; a first sound-wave modulator which applies first elastic waves to the acousto-optic modulator in a second direction; and a second sound-wave modulator which applies second elastic waves to the acousto-optic modulator in a third direction. The light supplied from the light supplier to the acousto-optic modulator is deflected by diffraction caused by the first elastic waves applied from the first sound-wave modulator and diffraction caused by the second elastic waves applied from the second sound-wave modulator, and is output from the acousto-optic modulator through a front side of the acousto-optic modulator.Type: GrantFiled: July 1, 2014Date of Patent: October 3, 2017Assignees: SAMSUNG ELECTRONICS CO., LTD., AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Seung-hoon Han, Won-taek Seo, Hae-kwan Oh, Hong-seok Lee, Eun-hyoung Cho, Kee-keun Lee
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Patent number: 9720547Abstract: An optical apparatus includes a touch substrate; a waveguide layer arranged on the touch substrate, the waveguide layer including a plurality of waveguides; an optical output structure arranged on the waveguide layer and configured to output light propagating in the plurality of waveguides at touched locations on the touch substrate; a gap layer arranged to provide a predetermined gap between the waveguide layer and the optical output structure; and an optical system, which projects light output by the optical output structure.Type: GrantFiled: September 6, 2013Date of Patent: August 1, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Won-taek Seo, Seung-hoon Han, Hong-seok Lee, Wan-joo Maeng
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Publication number: 20160331465Abstract: A system and method for simulating the reconstructive surgery of a cruciate ligament using medical images are disclosed herein. The system includes a processor, the processor is configured to acquire a first image of a knee region of a subject, and a 3D model including the knee region, identify the locations of reference points, on the 3D model, acquire a second image corresponding to the changes in the movement of the knee region, and track changes in the locations of the reference points using the acquired second image, and simulate changes in the length of a virtual ligament attributable to the changes in the movement of the knee region based on the tracked changes in the locations of the reference points and the location of the insertion of the virtual ligament received from a user.Type: ApplicationFiled: May 12, 2016Publication date: November 17, 2016Inventors: Jin Kook Kim, Won Taek Seo, Byeong Soo Kim, Hyun Gi Seo
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Publication number: 20150160530Abstract: Provided are an acousto-optic element, an acousto-optic element array, and a display apparatus including the acousto-optic element array. The acousto-optic element includes: an acousto-optic modulator which includes an acousto-optic layer formed of an acousto-optic material; a light supplier which supplies light to the acousto-optic modulator in a first direction; a first sound-wave modulator which applies first elastic waves to the acousto-optic modulator in a second direction; and a second sound-wave modulator which applies second elastic waves to the acousto-optic modulator in a third direction. The light supplied from the light supplier to the acousto-optic modulator is deflected by diffraction caused by the first elastic waves applied from the first sound-wave modulator and diffraction caused by the second elastic waves applied from the second sound-wave modulator, and is output from the acousto-optic modulator through a front side of the acousto-optic modulator.Type: ApplicationFiled: July 1, 2014Publication date: June 11, 2015Applicants: SAMSUNG ELECTRONICS CO., LTD., AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Seung-hoon HAN, Won-taek SEO, Hae-kwan OH, Hong-seok LEE, Eun-hyoung CHO, Kee-keun LEE
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Publication number: 20140285727Abstract: An optical apparatus includes a touch substrate; a waveguide layer arranged on the touch substrate, the waveguide layer including a plurality of waveguides; an optical output structure arranged on the waveguide layer and configured to output light propagating in the plurality of waveguides at touched locations on the touch substrate; a gap layer arranged to provide a predetermined gap between the waveguide layer and the optical output structure; and an optical system, which projects light output by the optical output structure.Type: ApplicationFiled: September 6, 2013Publication date: September 25, 2014Applicant: Samsung Electronics Co., Ltd.Inventors: Won-taek SEO, Seung-hoon HAN, Hong-seok LEE, Wan-joo MAENG
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Publication number: 20140240812Abstract: Provided is an acousto-optic device including an elastic medium; a meta structure formed on a first surface of the elastic medium, and an elastic-wave generating unit which generates an elastic wave in the elastic medium. The meta structure includes a first layer and a second layer that is formed on the first layer. The at least one of the first layer and the second layer includes a predetermined repetitive pattern.Type: ApplicationFiled: January 23, 2014Publication date: August 28, 2014Applicants: AJOU UNIVERSITY INDUSTRY COOPERATION FOUNDATION, SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung-hoon HAN, Wan-joo MAENG, Won-taek SEO, Hoon SONG, Hae-kwan OH, Kee-keun LEE