Patents by Inventor Dae Geun Jang
Dae Geun Jang 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: 11974834Abstract: An apparatus for estimating bio-information may include: a processor configured to measure a current time interval between a plurality of element waveforms of the pulse wave signal, determine whether a current measurement posture of the user corresponds to a reference posture based on the current time interval of the plurality of element waveforms, and estimate the bio-information based on a determination of whether the current measurement posture corresponds to the reference posture.Type: GrantFiled: May 28, 2020Date of Patent: May 7, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ui Kun Kwon, Chang Soon Park, Seung Keun Yoon, Dae Geun Jang
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Publication number: 20240143448Abstract: Disclosed herein are a distributed cloud system, a data processing method of the distributed cloud system, a storage medium. The data processing method of the distributed cloud system includes running an application of an edge computing system requested by a user device, generating a snapshot image of the application, and storing the generated snapshot image and transmitting the stored image during migration.Type: ApplicationFiled: October 25, 2023Publication date: May 2, 2024Inventors: Dae-Won KIM, Sun-Wook KIM, Su-Min JANG, Jae-Geun CHA, Hyun-Hwa CHOI
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Patent number: 11969234Abstract: An apparatus for estimating bio-information includes a bio-signal obtainer configured to obtain a bio-signal from an object; and a processor configured to: obtain function values by applying a predetermined function to sections of the bio-signal, corresponding to respective windows of a predetermined size, while sliding a window on a time axis of the bio-signal, obtain an oscillometric waveform envelope based on the obtained function values, and estimate bio-information of the object based on the oscillometric waveform envelope.Type: GrantFiled: May 21, 2020Date of Patent: April 30, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae Geun Jang, Ui Kun Kwon
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Publication number: 20240115212Abstract: An apparatus for estimating physiological variables includes: a sensor configured to measure a bio-signal from an object; and a processor. The processor is configured to: configure input data for use in a neural network-based physiological variable estimation model based on bio-signal data measured at different times by the sensor, and input the configured input data to the physiological variable estimation model to obtain a variation in physiological variables over a time period from a calibration time to a current time.Type: ApplicationFiled: March 14, 2023Publication date: April 11, 2024Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventor: Dae Geun JANG
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Patent number: 11950891Abstract: An apparatus for estimating bio-information, includes a pulse wave sensor configured to measure a pulse wave signal from a user, and a processor configured to obtain two or more parameters among a maximum point, an average point, and an onset point, from a waveform of the measured pulse wave signal, and combine the obtained two or more parameters to generate a pulse wave analysis result.Type: GrantFiled: August 21, 2019Date of Patent: April 9, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventor: Dae Geun Jang
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Patent number: 11911184Abstract: A bio-signal quality assessment apparatus may include: a bio-signal obtainer configured to obtain a bio-signal; and a processor configured to extract periodic signals from the obtained bio-signal, and determine a signal quality index based on at least one of similarity between the extracted periodic signals and signal variability of the obtained bio-signal.Type: GrantFiled: September 8, 2022Date of Patent: February 27, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae Geun Jang, Ui Kun Kwon, Seung Keun Yoon
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Patent number: 11916998Abstract: Disclosed herein is a multi-cloud edge system. The multi-cloud edge system includes a core cloud, a multi-cluster-based first edge node system, and a multi-cluster-based near edge node system, wherein the multi-cluster-based first edge node system includes multiple worker nodes, and a master node including a scheduler.Type: GrantFiled: November 11, 2022Date of Patent: February 27, 2024Assignee: Electronics and Telecommunications Research InstituteInventors: Dae-Won Kim, Su-Min Jang, Jae-Geun Cha, Hyun-Hwa Choi, Sun-Wook Kim
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Patent number: 11911185Abstract: An apparatus for estimating bio-information may include: a bio-signal acquirer configured to acquire a bio-signal; and a processor configured to extract one or more first feature values from the bio-signal, determine a scale factor based on the first feature values, and to estimate bio-information based on the scale factor and the first feature values.Type: GrantFiled: February 18, 2022Date of Patent: February 27, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang Soon Park, Ui Kun Kwon, Yunseo Ku, Seung Woo Noh, Seung Keun Yoon, Dae Geun Jang
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Patent number: 11898882Abstract: An apparatus for calibration of a bio-information estimation model includes a sensor configured to obtain a bio-signal from an object in a reference interval; a feature extractor, implemented by at least one processor, configure to extract a reference feature value from the bio-signal; and a calibrator, implemented by the at least one processor, configured to determine whether a condition is satisfied based on at least one of the reference feature value and an offset value, and based on determining that the condition is satisfied, configured to calibrate the bio-information estimation model based on the reference feature value and the offset value.Type: GrantFiled: November 10, 2022Date of Patent: February 13, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang Soon Park, Ui Kun Kwon, Seung Keun Yoon, Dae Geun Jang
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Patent number: 11890081Abstract: An apparatus for estimating blood pressure, includes a pulse wave sensor configured to measure a first pulse wave signal from a user, and a processor configured to differentiate or integrate the measured first pulse wave signal to obtain a reference signal, correct the measured first pulse wave signal, based on the obtained reference signal, to obtain a second pulse wave signal, and estimate the blood pressure, based on the obtained second pulse wave signal.Type: GrantFiled: October 8, 2019Date of Patent: February 6, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventor: Dae Geun Jang
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Patent number: 11890084Abstract: An apparatus for estimating bio-information may include a sensor configured to obtain a bio-signal from an object, and a processor configured to obtain a second-order differential signal of the bio-signal, and extract a progressive wave component from the bio-signal using, based on a first local minimum point of the second-order differential signal being stable, the first local minimum point of the second-order differential signal, or extract the progressive wave component from the bio-signal using, based on the first local minimum point of the second-order differential signal being unstable, a maximum amplitude point in a systolic portion of the bio-signal.Type: GrantFiled: September 30, 2020Date of Patent: February 6, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang Soon Park, Ui Kun Kwon, Seung Keun Yoon, Dae Geun Jang
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Patent number: 11844631Abstract: An apparatus for estimating bio-information includes: a sensor configured to obtain a bio-signal from an object; and a processor configured to obtain a second-order differential signal of the bio-signal, to detect at least one of an inflection point in a predetermined period of the second-order differential signal, and a zero-crossing point in the predetermined period of the second-order differential signal, to extract a feature based on the detected at least one of the inflection point and the zero-crossing point, and to estimate bio-information based on the extracted feature.Type: GrantFiled: July 18, 2022Date of Patent: December 19, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang Soon Park, Seung Keun Yoon, Dae Geun Jang
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Publication number: 20230309844Abstract: An apparatus and method for estimating blood pressure are provided. The apparatus for estimating blood pressure includes: a photoplethysmogram (PPG) sensor configured to measure a PPG signal from an object; and a processor configured to: obtain a blood pressure variation for each of a plurality of blood pressure estimation models based on the PPG signal by using the plurality of blood pressure estimation models, obtain a combining coefficient for each of the plurality of blood pressure estimation models based on the obtained blood pressure variations, and estimate blood pressure by using the obtained combining coefficients.Type: ApplicationFiled: August 23, 2022Publication date: October 5, 2023Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae Geun JANG, Ui Kun Kwon, Chang Soon Park, Young Soo Kim
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Publication number: 20230301526Abstract: An apparatus for non-invasively estimating blood pressure is provided. Thee apparatus for estimating blood pressure may include a bio-signal measurer configured to measure a bio-signal from a user and a processor configured to estimate blood pressure using the measured bio-signal. The processor may extract a first feature and a second feature from the bio-signal at an extraction time, estimate changes in the first feature and the second feature which have occurred during a time period from a calibration time at which the first feature and the second feature are calibrated to the extraction time at which the first feature and the second feature are extracted, and estimate a blood pressure based on the changes in the first feature and the second feature.Type: ApplicationFiled: June 2, 2023Publication date: September 28, 2023Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ui Kun Kwon, Chang Soon Park, Dae Geun Jang
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Publication number: 20230255503Abstract: Provided is an apparatus for non-invasively estimating bio-information by analyzing a pulse waveform. The apparatus for estimating bio-information according to an aspect of the present disclosure includes a processor configured to obtain a first characteristic point from a first pulse wave signal measured by a pulse wave sensor at a calibration time, obtain a second characteristic point from a second pulse wave signal measured by the pulse wave sensor at a bio-information estimation time, based on time information of the obtained first characteristic point, and estimate the bio-information of an object based on the obtained second characteristic point.Type: ApplicationFiled: April 19, 2023Publication date: August 17, 2023Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae Geun JANG, Ui Kun KWON, Chang Soon PARK
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Patent number: 11701010Abstract: An apparatus for non-invasively estimating blood pressure is provided. Thee apparatus for estimating blood pressure may include a bio-signal measurer configured to measure a bio-signal from a user and a processor configured to estimate blood pressure using the measured bio-signal. The processor may extract a first feature and a second feature from the bio-signal at an extraction time, estimate changes in the first feature and the second feature which have occurred during a time period from a calibration time at which the first feature and the second feature are calibrated to the extraction time at which the first feature and the second feature are extracted, and estimate a blood pressure based on the changes in the first feature and the second feature.Type: GrantFiled: March 20, 2019Date of Patent: July 18, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ui Kun Kwon, Chang Soon Park, Dae Geun Jang
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Publication number: 20230190118Abstract: An apparatus for estimating blood pressure may include: a memory storing one or more instructions; and a processor configured to execute the one or more instructions to: extract a cardiac output (CO) feature, a first candidate total peripheral resistance (TPR) feature, and a second candidate TPR feature from a bio-signal; determine one of the first candidate TPR feature and the second candidate TPR feature as a TPR feature based on a direction of change in the CO feature and a direction of change in the first candidate TPR feature between a blood pressure measurement time and a calibration time; and estimate the blood pressure based on the TPR feature and the CO feature.Type: ApplicationFiled: June 14, 2022Publication date: June 22, 2023Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang Soon PARK, Ui Kun KWON, Young Soo KIM, Dae Geun JANG
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Publication number: 20230190117Abstract: An apparatus for estimating blood pressure may include a sensor configured to measure a bio-signal from an object; and a processor configured to: obtain a cardiac output (CO) feature based on the bio-signal; obtain a total peripheral resistance (TPR) feature by combining an amplitude of a propagation wave component and amplitudes of at least two reflection wave components of the bio-signal, in response to a variation of the CO feature at a blood pressure measurement time relative to a calibration time, being within a predetermined range; obtain the TPR feature by combining the amplitude of the propagation wave component and an amplitude of one reflection wave component of the at least two reflection wave components, in response to the variation of the CO feature not being within the predetermined range; and estimate blood pressure based on the CO feature and the TPR feature.Type: ApplicationFiled: June 14, 2022Publication date: June 22, 2023Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang Soon PARK, Ui Kun KWON, Young Soo KIM, Dae Geun JANG
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Patent number: 11660009Abstract: Provided is an apparatus for non-invasively estimating bio-information by analyzing a pulse waveform. The apparatus for estimating bio-information according to an aspect of the present disclosure includes a processor configured to obtain a first characteristic point from a first pulse wave signal measured by a pulse wave sensor at a calibration time, obtain a second characteristic point from a second pulse wave signal measured by the pulse wave sensor at a bio-information estimation time, based on time information of the obtained first characteristic point, and estimate the bio-information of an object based on the obtained second characteristic point.Type: GrantFiled: March 6, 2020Date of Patent: May 30, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae Geun Jang, Ui Kun Kwon, Chang Soon Park
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Patent number: 11660053Abstract: An apparatus and a method for monitoring a bio-signal measuring condition are disclosed. The apparatus includes a bio-signal receiver configured to receive a bio-signal that is measured from a user, and a processor configured to extract any one or any combination of a waveform feature, a period feature, and an amplitude feature, from the received bio-signal, determine whether the extracted any one or any combination of the waveform feature, the period feature, and the amplitude feature are normal, using at least one predetermined determination reference corresponding to the extracted any one or any combination of the waveform feature, the period feature, and the amplitude features, and monitor a measuring condition of the received bio-signal, based on whether the extracted any one or any combination of the waveform feature, the period feature, and the amplitude feature are determined to be normal.Type: GrantFiled: January 28, 2019Date of Patent: May 30, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung Keun Yoon, Ui Kun Kwon, Dae Geun Jang