Patents by Inventor Hyeon A Yim
Hyeon A Yim 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: 20240019544Abstract: An apparatus and a method for measuring the RPM of a fan by using an IR-UWB radar are disclosed. The disclosed apparatus comprises: a radar signal variance acquisition unit which receives a reflected signal of an IR-UWB radar to acquire the variance of a signal at each location; a fan location acquisition unit for acquiring a first location and a second location, associated with the location of a fan, by using the variance of the signal at each location; an FFT calculation unit which performs FFT calculation for the signal of the first location to acquire a first FFT signal and which performs FFT calculation for the signal of the second location to acquire a second FFT signal; a subtraction unit for subtracting the second FFT signal from the first FFT signal; and an RPM acquisition unit for acquiring the RPM of the fan by using the signal subtracted by the subtraction unit.Type: ApplicationFiled: October 6, 2021Publication date: January 18, 2024Inventors: Sung Ho CHO, Dae Hyeon YIM, Seong Kwon YOON
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Publication number: 20220225916Abstract: The present invention can provide an apparatus and a method for non-contact measuring momentum, the apparatus and the method being capable of quantitatively measuring the dynamic activity and static activity of a subject by using a plurality of IR-UWB radars and, particularly, capable of measuring, in real time, some activities of the human body and general activity of the human body by distinguishing moving activity of the subject from non-moving activity. Therefore, the activity of a subject is non-contact measured so as to minimize user inconvenience, thereby facilitating performance of an ADHD test even for a subject in a young age group, and thus ADHD can be diagnosed early.Type: ApplicationFiled: May 15, 2020Publication date: July 21, 2022Applicant: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)Inventors: Sung Ho CHO, Hyun Kyung PARK, Won Hyuk LEE, Dae Hyeon YIM
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Patent number: 10866650Abstract: Provided is a method and device for recognizing a pointing location by using a radar. A device according to an embodiment of the present disclosure comprises: a weight value space generation unit for generating a weight value space comprising a plurality of unit spaces in a space in front of the screen, and setting weight values in proportion to intensity of clutter-removed reception signals of the plurality of radars to the unit spaces; a hand area detection unit for adding up the set weight values for each of the unit spaces of the weight value space; an effective radar selection unit for selecting, as an effective radar, a radar having a shortest distance to the detected hand area among the plurality of radars; and a finger position determination unit for detecting a first location (first path) exceeding a predetermined threshold value.Type: GrantFiled: February 13, 2018Date of Patent: December 15, 2020Assignee: WRT LAB CO., LTD.Inventors: Sung Ho Cho, Dae Hyeon Yim
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Publication number: 20200378758Abstract: Disclosed is an apparatus for detecting fall and rise. The apparatus includes a first sensor unit disposed at a first height and configured to sense a movement of a resident, a second sensor unit disposed at a second height higher than the first height and configured to sense the movement of the resident, and a controller configured to sense a falling behavior and a rising behavior of the resident based on distances from the resident measured by the first sensor unit and the second sensor unit. The controller sets the first sensor unit and the second sensor unit such that, among three axis coordinates of the first sensor unit and the second sensor unit in a 3D orthogonal coordinate system, two axis coordinates thereof coincide with each other.Type: ApplicationFiled: May 20, 2020Publication date: December 3, 2020Applicant: Xandar KardianInventors: Sun Jong Yang, Jeong Woo Choi, Hyun Ah Cho, Dae Hyeon Yim
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Patent number: 10629421Abstract: A mass spectrometry device includes a sample seating part including an ultrasonic vibrator having a through hole through which liquid particles formed by the ultrasonic vibrator from an adsorbent material including a sample and a solvent are discharged, the adsorbent material being seated on the ultrasonic vibrator; a reaction part in which plasma or an ionization medium generated by plasma come into contact with the liquid particles discharged from the through hole to form an ionized material; an introduction part discharging and introducing the ionized material to a detection part; and the detection part analyzing the ionized material discharged from the introduction part. The mass spectrometry device and the mass spectrometry method can detect the components of various samples by converting a sample into liquid particles using ultrasonic waves and applying plasma and can detect samples in various fields without regard to locations.Type: GrantFiled: October 25, 2016Date of Patent: April 21, 2020Assignees: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE, KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHInventors: Yong-Hyeon Yim, Sung Woo Heo, Hyoung Jun Lee, Ji-Seon Oh, Byoung Chul Park, Jeong Hee Moon, Sung Goo Park, Jeong Hoon Kim
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Publication number: 20200033949Abstract: Provided is a method and device for recognizing a pointing location by using a radar. A device according to an embodiment of the present disclosure comprises: a weight value space generation unit for generating a weight value space comprising a plurality of unit spaces in a space in front of the screen, and setting weight values in proportion to intensity of clutter-removed reception signals of the plurality of radars to the unit spaces; a hand area detection unit for adding up the set weight values for each of the unit spaces of the weight value space; an effective radar selection unit for selecting, as an effective radar, a radar having a shortest distance to the detected hand area among the plurality of radars; and a finger position determination unit for detecting a first location (first path) exceeding a predetermined threshold value.Type: ApplicationFiled: February 13, 2018Publication date: January 30, 2020Inventors: Sung Ho Cho, Dae Hyeon Yim
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Patent number: 10366799Abstract: A transparent conductor, a method of manufacturing the same, and a display including the same, the transparent conductor including metal nanowires; and a matrix in which the metal nanowires are embedded, wherein a capping layer is formed on surfaces of the metal nanowires, the capping layer including a sulfur-containing compound, and the capping layer has a thickness of about 0.025 or less times an average diameter of the metal nanowires.Type: GrantFiled: November 17, 2016Date of Patent: July 30, 2019Assignee: SAMSUNG SDI CO., LTD.Inventors: Do Young Kim, Kyoung Ku Kang, Dong Myeong Shin, Dae Seob Shim, Young Hoon Kim, Ji Hyeon Yim, Yong Un Jung, Oh Hyeon Hwang
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Publication number: 20190006163Abstract: A mass spectrometry device includes a sample seating part including an ultrasonic vibrator having a through hole through which liquid particles formed by the ultrasonic vibrator from an adsorbent material including a sample and a solvent are discharged, the adsorbent material being seated on the ultrasonic vibrator; a reaction part in which plasma or an ionization medium generated by plasma come into contact with the liquid particles discharged from the through hole to form an ionized material; an introduction part discharging and introducing the ionized material to a detection part; and the detection part analyzing the ionized material discharged from the introduction part. The mass spectrometry device and the mass spectrometry method can detect the components of various samples by converting a sample into liquid particles using ultrasonic waves and applying plasma and can detect samples in various fields without regard to locations.Type: ApplicationFiled: October 25, 2016Publication date: January 3, 2019Inventors: Yong-Hyeon YIM, Sung Woo HEO, Hyoung Jun LEE, Ji-Seon OH
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Publication number: 20180117167Abstract: Provided is a process for preparing a polyurethane foam dressing in which an anti-inflammatory agent is homogeneously dispersed, the process including obtaining a drug (i.e., anti-inflammatory agent)-containing polyurethane prepolymer using a certain dispersing agent; and reacting the drug-containing polyurethane prepolymer with a water-containing blowing solution to form a polyurethane foam and then drying the polyurethane foam.Type: ApplicationFiled: April 20, 2016Publication date: May 3, 2018Applicant: DAEWOONG PHARMACEUTICAL CO., LTD.Inventors: Hyeon-A YIM, Hee-Chul CHANG
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Publication number: 20170154698Abstract: A transparent conductor, a method of manufacturing the same, and a display including the same, the transparent conductor including metal nanowires; and a matrix in which the metal nanowires are embedded, wherein a capping layer is formed on surfaces of the metal nanowires, the capping layer including a sulfur-containing compound, and the capping layer has a thickness of about 0.025 or less times an average diameter of the metal nanowires.Type: ApplicationFiled: November 17, 2016Publication date: June 1, 2017Inventors: Do Young KIM, Kyoung Ku KANG, Dong Myeong SHIN, Dae Seob SHIM, Young Hoon KIM, Ji Hyeon YIM, Yong Un JUNG, Oh Hyeon HWANG
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Patent number: 9362096Abstract: Provided is a combustion pretreatment-isotope dilution mass spectrometry measuring concentration of a target element for detection contained in a target sample for detection by using an isotope dilution mass spectrometry, including: pretreating the target sample for detection by combustion during an isotope dilution mass spectrometry, to thereby stabilize an isotope and further improve analysis ability, and therefore, the present invention is expected to be utilized as an element analysis method surpassing accuracy of the existing mass spectrometry method.Type: GrantFiled: December 26, 2013Date of Patent: June 7, 2016Assignee: Korea Research Institute of Standards and ScienceInventors: Kyoung-Seok Lee, In Jung Kim, Sung-Pil Jo, Hyung Sik Min, Yong Hyeon Yim, Joung Hae Lee, Eui Jin Hwang
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Publication number: 20150348768Abstract: Provided is a combustion pretreatment-isotope dilution mass spectrometry measuring concentration of a target element for detection contained in a target sample for detection by using an isotope dilution mass spectrometry, including: pretreating the target sample for detection by combustion during an isotope dilution mass spectrometry, to thereby stabilize an isotope and further improve analysis ability, and therefore, the present invention is expected to be utilized as an element analysis method surpassing accuracy of the existing mass spectrometry method.Type: ApplicationFiled: December 26, 2013Publication date: December 3, 2015Applicant: KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCEInventors: Kyoung-Seok Lee, In Jung Kim, Sung-pil Jo, Hyung Sik Min, Yong Hyeon Yim, Joung Hae Lee, Eui Jin Hwang
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Publication number: 20150346221Abstract: Provided is a quantification method for a sulfur-containing organic compound. The quantification method may quantify the sulfur-containing organic compound without limitation. Preferably, the quantification method is more effective for quantifying organic compounds of which quantification is difficult to perform, such as a macromolecule such as a biomaterial, or the organic compound having a hygroscopic property or being present in a hydrated form, and significantly effectively quantifying high purity standard materials of peptide or protein among the biomaterials.Type: ApplicationFiled: December 20, 2013Publication date: December 3, 2015Inventors: Yong Hyeon Yim, Hyun Seok Lee, Sook Heun Kim, Kyoung Seok Lee, Ji Seon Jeong, Sook-Kyoung Kim
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Patent number: 9072782Abstract: Disclosed are a gadolinium complex formed by coordination of gadolinium to the diethylenetriaminepentaacetic acid dianhydride (DTPA) moiety of a pullulan-DTPA conjugate formed by an ester bond between pullulan and DTPA, a preparation method thereof, an MRI contrast composition comprising the complex, and a method of providing information for diagnosis of disease using the complex as an MRI contrast agent. The pullulan-DTPA-Gd complex has a long in vivo half-life, low toxicity, and high MRI signal intensity resulting in clear MRI images, compared to prior gadolinium complexes, indicating that it is advantageously used as an MRI contrast agent. In addition, it is possible to obtain MRI images allowing one to differentiate between diseased liver tissue and normal liver tissue, indicating that it is used as an MRI contrast agent for the liver.Type: GrantFiled: May 4, 2010Date of Patent: July 7, 2015Assignee: CATHLOIC UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATIONInventors: Kun Na, Hyeon A Yim
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Publication number: 20120058054Abstract: Disclosed are a gadolinium complex formed by coordination of gadolinium to the diethylenetriaminepentaacetic acid dianhydride (DTPA) moiety of a pullulan-DTPA conjugate formed by an ester bond between pullulan and DTPA, a preparation method thereof, an MRI contrast composition comprising the complex, and a method of providing information for diagnosis of disease using the complex as an MRI contrast agent. The pullulan-DTPA-Gd complex has a long in vivo half-life, low toxicity, and high MRI signal intensity resulting in clear MRI images, compared to prior gadolinium complexes, indicating that it is advantageously used as an MRI contrast agent. In addition, it is possible to obtain MRI images allowing one to differentiate between diseased liver tissue and normal liver tissue, indicating that it is used as an MRI contrast agent for the liver.Type: ApplicationFiled: May 4, 2010Publication date: March 8, 2012Applicant: CATHOLIC UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATIONInventors: Kun Na, Hyeon A Yim
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Patent number: 7294467Abstract: The present invention is related to a novel approach for quantitation of DNA based on the stoichiometric existence of phosphorus (P) in DNA.Type: GrantFiled: May 26, 2005Date of Patent: November 13, 2007Assignee: Korea Research Institute of Standard and ScienceInventors: Sang-Ryoul Park, In-Chul Yang, Myung-Sub Han, Yong-Hyeon Yim, Eui-Jin Hwang
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Publication number: 20060078905Abstract: The present invention is related to a novel approach for quantitation of DNA based on the stoichiometric existence of phosphorus (P) in DNA.Type: ApplicationFiled: May 26, 2005Publication date: April 13, 2006Inventors: Sang-Ryoul Park, In-Chul Yang, Myung-Sub Han, Yong-Hyeon Yim, Eui-Jin Hwang