Patents by Inventor Ui Kun Kwon

Ui Kun Kwon 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).

  • Publication number: 20210330206
    Abstract: An apparatus for estimating bio-information of a user may include a first sensor configured to measure a first signal from the user; a second sensor configured to measure a second signal from the user; and a processor configured to obtain a first characteristic point from the first signal; obtain a second characteristic point from the second signal based on the first characteristic point and a pre-defined probability distribution function; and estimate the bio-information of the user based on the second characteristic point.
    Type: Application
    Filed: April 12, 2021
    Publication date: October 28, 2021
    Applicants: SAMSUNG ELECTRONICS CO., LTD., University of Maryland, College Park
    Inventors: Dae Geun JANG, Sungtae SHIN, Jin-Oh HAHN, Ui Kun KWON, Youn Ho KIM, Peyman YOUSEFIAN
  • Patent number: 11123022
    Abstract: A blood pressure estimating apparatus includes a sensor configured to obtain a bio-signal of an object; and a processor configured to extract a first cardiovascular feature and a second cardiovascular feature based on the bio-signal, and estimate blood pressure based on a first changing tendency of the first cardiovascular feature from a first reference level and a second changing tendency of the second cardiovascular feature from a second reference level, the first changing tendency and the second changing tendency being independent from each other.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: September 21, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ui Kun Kwon, Yunseo Ku, Seung Woo Noh, Chang Soon Park, Seung Keun Yoon, Dae Geun Jang
  • Publication number: 20210282648
    Abstract: An apparatus for estimating bio-information, the apparatus including a sensor configured to obtain a bio-signal of a subject; and a processor configured to estimate a variation in a Cardiac Output (CO)-related feature from the bio-signal, and obtain a progressive wave component, which is associated with a Total Peripheral Resistance (TPR)-related feature, from the bio-signal based on an estimation result of estimating the variation.
    Type: Application
    Filed: September 3, 2020
    Publication date: September 16, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Soon PARK, Ui Kun Kwon, Young Soo Kim, Seung Keun Yoon, Dae Geun Jang
  • Publication number: 20210228100
    Abstract: 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: Application
    Filed: September 30, 2020
    Publication date: July 29, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Soon PARK, Ui Kun KWON, Seung Keun YOON, Dae Geun JANG
  • Publication number: 20210177287
    Abstract: 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: Application
    Filed: May 28, 2020
    Publication date: June 17, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ui Kun KWON, Chang Soon PARK, Seung Keun YOON, Dae Geun JANG
  • Publication number: 20210169356
    Abstract: 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: Application
    Filed: May 21, 2020
    Publication date: June 10, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae Geun JANG, Ui Kun Kwon
  • Publication number: 20210100456
    Abstract: An apparatus configured to extract a feature from a bio-signal is disclosed. The apparatus includes a bio-signal acquirer configured to acquire the bio-signal, and a processor configured to analyze concavity and convexity of a waveform of the bio-signal in intervals of the bio-signal, and extract the feature from the bio-signal based on the analyzed concavity and the analyzed convexity.
    Type: Application
    Filed: December 16, 2020
    Publication date: April 8, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Soon PARK, Ui Kun KWON, Young Soo KIM
  • Publication number: 20210085259
    Abstract: Provided is an apparatus for estimating bio-information. The apparatus for estimating bio-information according to an embodiment includes a processor configured to obtain a pulse wave signal from a user; extract components of a plurality of element waveforms which constitute a waveform of the pulse wave signal; and obtain a cardiovascular feature based on the extracted components of the plurality of element waveforms. The processor is configured to extract a component of at least one element waveform based on a component of an adjacent element waveform.
    Type: Application
    Filed: April 8, 2020
    Publication date: March 25, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ui Kun Kwon, Chang Soon Park, Seung Keun Yoon, Dae Geun Jang
  • Publication number: 20210007615
    Abstract: 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: Application
    Filed: March 6, 2020
    Publication date: January 14, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae Geun JANG, Ui Kun KWON, Chang Soon PARK
  • Publication number: 20200397309
    Abstract: An apparatus for calibrating a bio-information estimation model is provided. The apparatus may include a sensor configured to detect a bio-signal from an object of interest, and a processor configured to extract a first feature at each of a plurality of points of the bio-signal, extract a second feature at each of the plurality of points of the bio-signal, and determine a calibration point of the bio-information estimation model, from among the plurality of points of the bio-signal, based on a first degree of change in the first feature at each point relative to a first feature at a reference point and a second degree of change in the second feature at each point relative to a second feature at the reference point.
    Type: Application
    Filed: March 11, 2020
    Publication date: December 24, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae Geun Jang, Ui Kun Kwon, Chang Soon Park, Seung Keun Yoon
  • Patent number: 10866637
    Abstract: A gesture classification apparatus and method is disclosed. The apparatus may include a feature extractor configured to extract a plurality of features using a electromyogram (EMG) data group obtained from an EMG signal sensor including a plurality of channels, an artificial neural network including an input layer to which the EMG data group corresponding to the plurality of features is input and an output layer configured to output a preset gesture corresponding to the plurality of features, and a gesture recognizer configured to recognize a gesture performed by a user and corresponding to the extracted features.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: December 15, 2020
    Assignees: SAMSUNG ELECTRONICS CO. LTD., Korea Advanced Institute of Science and Technology
    Inventors: Chisung Bae, Jin Woo Shin, Kwi Hyuk Jin, Ui Kun Kwon
  • Patent number: 10856808
    Abstract: A bio-signal processing apparatus, a biometric information detection apparatus, and a method of detecting biometric information are provided. The bio-signal processing apparatus includes a first low pass filter (LPF) configured to have a first cutoff frequency, and output a first preprocessed signal having low frequency components of an input bio-signal that are less than the first cutoff frequency, a second LPF configured to have a second cutoff frequency, and output a second preprocessed signal in which high frequency components greater than or equal to the second cutoff frequency are removed from the input bio-signal, and a processor configured to output an output bio-signal for biometric information detection, based on the output first preprocessed signal and the output second preprocessed signal.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: December 8, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Keun Yoon, Ui Kun Kwon
  • Publication number: 20200352506
    Abstract: A bio-signal processing apparatus, a biometric information detection apparatus, and a method of detecting biometric information are provided. The bio-signal processing apparatus includes a first low pass filter (LPF) configured to have a first cutoff frequency, and output a first preprocessed signal having low frequency components of an input bio-signal that are less than the first cutoff frequency, a second LPF configured to have a second cutoff frequency, and output a second preprocessed signal in which high frequency components greater than or equal to the second cutoff frequency are removed from the input bio-signal, and a processor configured to output an output bio-signal for biometric information detection, based on the output first preprocessed signal and the output second preprocessed signal.
    Type: Application
    Filed: July 24, 2020
    Publication date: November 12, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Keun YOON, Ui Kun Kwon
  • Patent number: 10826544
    Abstract: A signal processing method, a signal filtering apparatus, and a signal processing apparatus are provided. An input signal may be input into a filter having a passband, a superfluous signal of the passband may be output from the filter, and a target signal may be obtained by subtracting the superfluous signal from the input signal.
    Type: Grant
    Filed: January 3, 2020
    Date of Patent: November 3, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ui Kun Kwon, Chang Soon Park, Seungkeun Yoon, Sang Joon Kim, Jaechun Lee, Changmok Choi
  • Publication number: 20200343946
    Abstract: Provided is a communication method of a target terminal and an access point (AP) for a group identification (ID) management in a multi-user multiple-input multiple-output (MU-MIMO) transmission capable of managing a group ID of members of a group without influencing other terminals in the group by transmitting membership information and position information to each of a plurality of terminals.
    Type: Application
    Filed: July 9, 2020
    Publication date: October 29, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ui Kun KWON, Young Soo KIM
  • Publication number: 20200275839
    Abstract: An apparatus for estimating bio-information includes a sensor configured to measure a bio-signal from an object, and a processor configured to obtain a feature based on the measured bio-signal, obtain a bio-information variation based on the obtained feature, obtain an adjustment coefficient based on the obtained bio-information variation, and estimate the bio-information by applying the obtained adjustment coefficient to the obtained bio-information variation.
    Type: Application
    Filed: October 4, 2019
    Publication date: September 3, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Soon PARK, Ui Kun KWON, Seung Keun YOON
  • Patent number: 10751002
    Abstract: A biosignal processing apparatus includes a communication interface configured to receive a biosignal, and a processor configured to set a target interval of the biosignal, calculate a quality metric corresponding to the target interval based on a target component that is a frequency component of the target interval corresponding to a set value and a non-target component that is a frequency component of the target interval not corresponding to the set value, and estimate a quality of the biosignal based on the quality metric.
    Type: Grant
    Filed: July 18, 2016
    Date of Patent: August 25, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Soon Park, Ui Kun Kwon, Sang Joon Kim, Changmok Choi
  • Patent number: 10750998
    Abstract: A bio-signal processing apparatus, a biometric information detection apparatus, and a method of detecting biometric information are provided. The bio-signal processing apparatus includes a first low pass filter (LPF) configured to have a first cutoff frequency, and output a first preprocessed signal having low frequency components of an input bio-signal that are less than the first cutoff frequency, a second LPF configured to have a second cutoff frequency, and output a second preprocessed signal in which high frequency components greater than or equal to the second cutoff frequency are removed from the input bio-signal, and a processor configured to output an output bio-signal for biometric information detection, based on the output first preprocessed signal and the output second preprocessed signal.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: August 25, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Keun Yoon, Ui Kun Kwon
  • Patent number: 10743820
    Abstract: A biosignal measuring method and apparatus are provided. The biosignal measuring method includes verifying whether a measured biosignal is in a range, and controlling an operation of the biosignal measuring apparatus when the measured biosignal deviates from the range based on a result of the verifying.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: August 18, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ui Kun Kwon, Sang Joon Kim, Jong Wook Lee
  • Publication number: 20200245952
    Abstract: A feature extraction apparatus configured to perform biometric information detection includes a bio-signal obtainer configured to acquire a bio-signal; and a processor configured to decompose a waveform of the acquired bio-signal into component pulses and extract a feature for the biometric information detection based on characteristic points of the component pulses.
    Type: Application
    Filed: April 24, 2020
    Publication date: August 6, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Soon PARK, Ui Kun KWON, Young Soo KIM