Patents by Inventor Sang-kon Bae

Sang-kon Bae 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).

  • Patent number: 11896353
    Abstract: An apparatus for estimating bio-information is provided. The apparatus for estimating bio-information according to an embodiment includes: an ultrasonic sensor configured to acquire a bio-signal from an object; and a processor configured to detect peaks from the bio-signal, and to determine false detection of a peak, among the detected peaks, by using at least one of a time interval between a current peak and an immediately preceding peak, amplitudes of the current peak and the immediately preceding peak, a shape of a waveform on a left region and a right region of the peak, and an occurrence position of the peak.
    Type: Grant
    Filed: January 31, 2022
    Date of Patent: February 13, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ui Kun Kwon, Jae Min Kang, Youn Ho Kim, Sang Kon Bae, Jin Woo Choi, Chang Mok Choi
  • Patent number: 11872032
    Abstract: A method of estimating a concentration of an analyte may include obtaining a plurality of in vivo estimation spectra, generating a plurality of noise detection models by varying a number of principal components based on the plurality of in vivo estimation spectra, comparing the generated plurality of noise detection models with a plurality of concentration estimation models for each number of principal components, extracting a noise spectrum and a concentration estimation model for use in estimating the concentration of the analyte based on the comparison, updating the extracted concentration estimation model based on the extracted noise spectrum, and estimating the concentration of the analyte by using the updated concentration estimation model and an in vivo estimation spectrum from among the plurality of in vivo estimation spectra.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: January 16, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Kon Bae, So Young Lee
  • Publication number: 20230329566
    Abstract: An apparatus for estimating blood pressure includes: a photoplethysmogram (PPG) sensor configured to measure a PPG signal from an object; a force sensor configured to measure a force signal acting between the object and the PPG sensor; and a processor configured to (i) divide a predetermined blood pressure range into a plurality of classes, (ii) input the measured PPG signal and the measured force signal into a blood pressure estimation model to obtain the probability values for each of the classes, and (iii) estimate blood pressure based on the obtained probability values for the respective classes.
    Type: Application
    Filed: October 18, 2022
    Publication date: October 19, 2023
    Applicants: SAMSUNG ELECTRONICS CO., LTD., IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Sang Kon BAE, Joon-Hyuk CHANG, Youn Ho KIM, Jin Woo CHOI, Jehyun KYUNG, Joon-Young YANG, Ye-Rin JEOUNG, Jeong-Hwan CHOI
  • Patent number: 11723596
    Abstract: A healthcare apparatus according to an embodiment includes: a plurality of light sources configured to emit light of different wavelengths onto an object; a light detector configured to measure an optical signal of each of the wavelengths by receiving light reflected or scattered from the object; and a processor configured to obtain a blood glucose level and a blood flow index by using the optical signal of each of the wavelengths, and to estimate at least one from among dietary information and dietary metabolism state information by monitoring a blood glucose level change and a blood flow index change after ingestion of a food.
    Type: Grant
    Filed: November 9, 2021
    Date of Patent: August 15, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ka Ram Choi, Hyo Sun Hwang, Jin Young Park, Jae Wook Shim, So Young Lee, Sang Kon Bae, Eui Seok Shin
  • Patent number: 11684339
    Abstract: An apparatus for estimating bio-information is provided. The apparatus includes: an ultrasound image acquirer configured to acquire ultrasound images of an object; a pressurizer configured to apply pressure to the object to occlude a blood vessel; and a processor configured to estimate a change in a diameter of the blood vessel using the ultrasound images acquired by the ultrasound image acquirer before and after an occlusion of the blood vessel, and estimate bio-information based on the estimated change in the diameter of the blood vessel.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: June 27, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: So Young Lee, Jong Keun Song, Byung Hoon Ko, Hyun Seok Moon, Sang Kon Bae, Eui Seok Shin, Jeong Eun Hwang
  • Patent number: 11642086
    Abstract: An apparatus for providing corrected bio-information by using a bio-information sensor includes a communicator configured to receive bio-information from the bio-information sensor; a processor configured to extract metabolic information based on food intake information of a user and correct the received bio-information based on the extracted metabolic information; and an outputter configured to provide a result of correcting the bio-information.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: May 9, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: So Young Lee, Jin Young Park, Ka Ram Ram Choi, Sang Kon Bae
  • Patent number: 11642087
    Abstract: A method and apparatus for pre-processing a photoplethysmogram (PPG) signal include receiving, by an apparatus, the PPG signal including a plurality of pulses, obtaining, by the apparatus, a smoothed PPG signal based on smoothing the PPG signal using a moving average filter, obtaining, by the apparatus, a drift removed PPG signal based on removing drift from the smoothed PPG signal using a fitted polynomial function, and obtaining, by the apparatus, a rectified PPG signal based on correcting a motion artifact of the drift removed PPG signal by replacing each of the plurality of pulses using a combination of a global signal pulse and a corresponding local signal pulse.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: May 9, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ibrahim Abdul Majeed, Sujit Jos, Rahul Arora, Ka Ram Choi, Sang Kon Bae
  • Publication number: 20230131673
    Abstract: An apparatus for estimating bio-information is provided. The apparatus for estimating bio-information by using an ultrasonic signal according to an embodiment of the present disclosure includes: an ultrasonic sensor configured to acquire an ultrasonic signal from an object; and a processor configured to detect peaks from the acquired ultrasonic signal, and to determine false detection of a peak, among the detected peaks, by using at least one of amplitudes of the detected peaks or a left waveform shape and a right waveform shape of the peak.
    Type: Application
    Filed: October 20, 2022
    Publication date: April 27, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ui Kun KWON, Jae Min KANG, Youn Ho KIM, Sang Kon BAE, Jin Woo CHOI, Chang Mok CHOI
  • Publication number: 20230130494
    Abstract: An apparatus for estimating bio-information is provided. The apparatus for estimating bio-information according to an embodiment includes: an ultrasonic sensor configured to acquire a bio-signal from an object; and a processor configured to detect peaks from the bio-signal, and to determine false detection of a peak, among the detected peaks, by using at least one of a time interval between a current peak and an immediately preceding peak, amplitudes of the current peak and the immediately preceding peak, a shape of a waveform on a left region and a right region of the peak, and an occurrence position of the peak.
    Type: Application
    Filed: January 31, 2022
    Publication date: April 27, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ui Kun KWON, Jae Min KANG, Youn Ho KIM, Sang Kon BAE, Jin Woo CHOI, Chang Mok CHOI
  • Patent number: 11617523
    Abstract: An apparatus for non-invasively estimating a biological component is provided. The apparatus may include: a sensor configured to measure a calibration spectrum for a first duration and measure a biological component estimation spectrum for a second duration, based on light returning from an object; and a processor configured to remove a signal of a biological component from the calibration spectrum to obtain a background spectrum for the first duration, and estimate the biological component, based on the background spectrum and the biological component estimation spectrum, for the second duration in response to a command for measuring the biological component.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: April 4, 2023
    Assignee: SAMSUNG ELECTRONICS CO.. LTD.
    Inventors: So Young Lee, Sang Kyu Kim, Sang Kon Bae, Yun S Park
  • Patent number: 11607178
    Abstract: The present disclosure relates to a method and system for processing a photoplethysmogram (PPG) signal to improve accuracy of measurement of physiological parameters of a subject. The method may include removing a baseline drift from the PPG signal; obtaining a drift removed signal; filtering the drift removed signal; obtaining a filtered signal; performing motion artifact correction on the filtered signal; and obtaining a corrected signal.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: March 21, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Rahul Arora, Sujit Jos, Ibrahim Abdul Majeed, Ka Ram Choi, Sang Kon Bae
  • Patent number: 11564599
    Abstract: A apparatus for obtaining an individualized unit spectrum includes: a spectrum obtainer configured to obtain a first biological spectrum from a subject at a first measurement time, and obtain a second biological spectrum from the subject at a second measurement time; and a processor configured to extract the individualized unit spectrum from the first biological spectrum and the second biological spectrum, based on a predetermined unit spectrum of a target component.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: January 31, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: So Young Lee, Sang Kon Bae, Jae Wook Shim
  • Patent number: 11517223
    Abstract: An apparatus for estimating blood glucose using a photoplethysmography (PPG) signal is provided. The apparatus for estimating blood glucose includes: a pulse wave sensor configured to obtain a pulse wave signal from an object; and a processor configured to obtain at least two points from a waveform of the pulse wave signal, to extract a feature based on time values of the obtained at least two points, and to estimate blood glucose based on the extracted feature.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: December 6, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ka Ram Choi, Sang Kon Bae, So Young Lee, Seung Keun Yoon
  • Publication number: 20220378306
    Abstract: An apparatus for estimating bio-information is provided. According to an embodiment of the present disclosure, the apparatus for estimating bio-information includes: a pulse wave sensor having a plurality of channels to measure a plurality of pulse wave signals from an object; a force sensor configured to obtain a force signal by measuring an external force exerted onto the pulse wave sensor; and a processor configured to: obtain a first feature for each channel by inputting the plurality of pulse wave signals for each channel and the force signal, into a first neural network model; obtain a weight for each channel by inputting the first feature to a second neural network model; obtain a second feature by applying the weight to the first feature for each channel by using the second neural network model; and obtain bio-information by inputting the second feature to a third neural network model.
    Type: Application
    Filed: August 17, 2021
    Publication date: December 1, 2022
    Applicants: SAMSUNG ELECTRONICS CO., LTD., IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Sang Kon BAE, Joon-Hyuk CHANG, Jin Woo CHOI, Jehyun KYUNG, Youn Ho KIM, Inmo YEON
  • Patent number: 11497421
    Abstract: A device and method for spectrum analysis in which differences among skin spectra are quantitatively analyzed, and a blood glucose measurement device are provided. The device for spectrum analysis includes an obtainer configured to acquire a plurality of skin spectra; and a processor configured to generate a plot of difference degree of spectra which represents differences among the acquired plurality of skin spectra, and determine whether the plurality of skin spectra are appropriate for blood glucose measurement based on the plot of difference degree of spectra.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: November 15, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yun S Park, Sang Kon Bae, So Young Lee
  • Publication number: 20220287571
    Abstract: An apparatus for estimating bio-information is disclosed. The apparatus may include: a pulse wave sensor configured to measure a pulse wave signal from an object; a force sensor configured to obtain a force signal by measuring an external force exerted onto the force sensor; and a processor configured to obtain a first input value, a second input value, and a third input value based on the pulse wave signal and the force signal, to extract a feature vector by inputting the first input value, the second input value, and the third input value into a first neural network model, and to obtain the bio-information by inputting the feature vector into a second neural network model.
    Type: Application
    Filed: July 7, 2021
    Publication date: September 15, 2022
    Applicants: SAMSUNG ELECTRONICS CO., LTD., IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Sang Kon BAE, Joon-Hyuk CHANG, Jin Woo CHOI, Youn Ho KIM, Jehyun KYUNG, Joon-Young YANG, Inmo YEON, Jeong-Hwan CHOI
  • Patent number: 11412979
    Abstract: An apparatus for estimating an anaerobic threshold may include a heart rate detector configured to detect a heart rate from a signal sensed from a user, and an anaerobic threshold estimator configured to estimate an anaerobic threshold of the user based on a change in the detected heart rate.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: August 16, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Youn Ho Kim, Sang Kon Bae, Kun Soo Shin, Chang Mok Choi
  • Publication number: 20220061755
    Abstract: A healthcare apparatus according to an embodiment includes: a plurality of light sources configured to emit light of different wavelengths onto an object; a light detector configured to measure an optical signal of each of the wavelengths by receiving light reflected or scattered from the object; and a processor configured to obtain a blood glucose level and a blood flow index by using the optical signal of each of the wavelengths, and to estimate at least one from among dietary information and dietary metabolism state information by monitoring a blood glucose level change and a blood flow index change after ingestion of a food.
    Type: Application
    Filed: November 9, 2021
    Publication date: March 3, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ka Ram CHOI, Hyo Sun HWANG, Jin Young PARK, Jae Wook SHIM, So Young LEE, Sang Kon BAE, Eui Seok SHIN
  • Patent number: 11255729
    Abstract: An apparatus and method for monitoring a stability of a spectrum are provided. The apparatus for monitoring stability of a spectrum includes a spectroscope configured to measure a spectrum of a sample and a processor configured to calculate a similarity change index of the measured spectrum and to determine the stability of the measured spectrum by analyzing the calculated similarity change index.
    Type: Grant
    Filed: March 6, 2017
    Date of Patent: February 22, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Kon Bae, Yun S Park, So Young Lee
  • Publication number: 20220015651
    Abstract: An apparatus for and a method for estimating blood pressure are provided. The apparatus for estimating blood pressure includes: a sensor configured to measure a pulse wave signal from an object; and a processor configured to obtain a mean arterial pressure (MAP) based on the pulse wave signal, configured to classify a phase of the obtained MAP according to at least one classification criterion, and to obtain a systolic blood pressure (SBP) by using an estimation model corresponding to the classified phase of the MAP among estimation models corresponding to respective phases of the MAP.
    Type: Application
    Filed: November 13, 2020
    Publication date: January 20, 2022
    Applicants: SAMSUNG ELECTRONICS CO., LTD., IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Sang Kon Bae, Joon-Hyuk Chang, Chang Mok Choi, Youn Ho Kim, Jin Woo Choi, Jehyun Kyung, Tae-Jun Park, Joon-Young Yang, Inmo Yeon