Patents by Inventor Sung Hyun Nam

Sung Hyun Nam 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: 11986271
    Abstract: An apparatus for measuring a bio-signal includes: a light source configured to emit light; an ultrasonic transducer configured to obtain a photoacoustic signal generated from an object; a photoacoustic coupler disposed in contact with the ultrasonic transducer and configured to direct the light transmitted from the light source to a scanner and to direct the photoacoustic signal generated from the object to the ultrasonic transducer; the scanner configured to reflect the light incident from the photoacoustic coupler to the object, and reflect the photoacoustic signal generated from the object to the photoacoustic coupler; a scanner controller configured to adjust a light incident position on the object by controlling the angle of the scanner; a light detector configured to obtain a light signal by detecting the light scattered or reflected from the object; and a processor configured to obtain bio-information based on the light signal and the photoacoustic signal.
    Type: Grant
    Filed: February 22, 2022
    Date of Patent: May 21, 2024
    Assignees: SAMSUNG ELECTRONICS CO., LTD., POSTECH Research and Business Development Foundation
    Inventors: Sung Hyun Nam, Chulhong Kim, Ka Ram Choi, Jin Young Kim, Jin Woo Baik, Joongho Ahn
  • Patent number: 11982618
    Abstract: A method of calibrating an optical sensor may include acquiring a first characteristic for an external light source through a detector of an optical sensor while an internal light source of the optical sensor is turned off; driving the internal light source; acquiring a second characteristic for the internal light source and the external light source through the detector, based on driving the internal light source; and acquiring a reference characteristic of the internal light source, for calculation of an absorbance of an object, based on the first characteristic and the second characteristic.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Hyun Nam, Hyeong Seok Jang, Jin Young Park
  • Patent number: 11925438
    Abstract: An apparatus for estimating body temperature of an object is provided. The apparatus for estimating body temperature includes: a sensor configured to obtain spectra through a plurality of light paths of an object; and a processor configured to obtain a temperature slope between temperatures corresponding to the plurality of light paths based on the spectra of the plurality of light paths and a reference spectrum measured at a reference temperature, and estimate the body temperature of the object based on the temperature slope.
    Type: Grant
    Filed: October 17, 2022
    Date of Patent: March 12, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Hyun Nam, So Young Lee, Ka Ram Choi
  • Patent number: 11911157
    Abstract: Provided is an apparatus for estimating a target component, the apparatus including a temperature controller configured to modulate temperature of an object, a measurer configured to measure a spectrum for each temperature of the object that changes based on the modulation, and a processor configured to obtain effective optical pathlength vectors corresponding to a temperature change based on the spectrum for each temperature of the object, obtain a representative effective optical pathlength based on the obtained effective optical pathlength vectors, and obtain a target component estimation model based on the obtained representative effective optical pathlength.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: February 27, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyeong Seok Jang, Sung Hyun Nam, Sung Mo Ahn, Jun Ho Lee, Ho Jun Chang
  • Patent number: 11898910
    Abstract: A Raman sensor includes a light source assembly having a plurality of light sources configured to emit light to a plurality of skin points of skin, each of the plurality of skin points having a predetermined separation distance from a light collection region of the skin from which Raman scattered light is collected; a light collector configured to collect the Raman scattered light from the light collection region of the skin; and a detector configured to detect the collected Raman scattered light.
    Type: Grant
    Filed: November 8, 2022
    Date of Patent: February 13, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ho Jun Chang, Sung Hyun Nam, Alexey Anikanov, Yun S Park, Eui Seok Shin, Woochang Lee
  • Patent number: 11874168
    Abstract: A spectrometer includes: a dispersive element configured to split light; a detector comprising a plurality of pixels configured to receive the split light; an optical mask disposed in an optical path of the light between the dispersive element and the detector and comprising a plurality of light transmitting portions and a plurality of light blocking portions which are arranged alternately; and a driver configured to control a position of the optical mask or a position of the detector, and change a light incident area of each of the plurality of pixels to receive the light incident on the plurality of light transmitting portions of the optical mask.
    Type: Grant
    Filed: April 19, 2022
    Date of Patent: January 16, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Hyun Nam, Woo Chang Lee
  • Patent number: 11717171
    Abstract: An apparatus for estimating body temperature of an object is provided. The apparatus for estimating body temperature includes: a sensor configured to obtain spectra through a plurality of light paths of an object; and a processor configured to obtain a temperature slope between temperatures corresponding to the plurality of light paths based on the spectra of the plurality of light paths and a reference spectrum measured at a reference temperature, and estimate the body temperature of the object based on the temperature slope.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: August 8, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Hyun Nam, So Young Lee, Ka Ram Choi
  • Publication number: 20230194341
    Abstract: A spectrometer includes: a dispersive element configured to split light; a detector comprising a plurality of pixels configured to receive the split light; an optical mask disposed in an optical path of the light between the dispersive element and the detector and comprising a plurality of light transmitting portions and a plurality of light blocking portions which are arranged alternately; and a driver configured to control a position of the optical mask or a position of the detector, and change a light incident area of each of the plurality of pixels to receive the light incident on the plurality of light transmitting portions of the optical mask.
    Type: Application
    Filed: April 19, 2022
    Publication date: June 22, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Hyun NAM, Woo Chang LEE
  • Publication number: 20230157551
    Abstract: An apparatus for measuring a bio-signal includes: a light source configured to emit light; an ultrasonic transducer configured to obtain a photoacoustic signal generated from an object; a photoacoustic coupler disposed in contact with the ultrasonic transducer and configured to direct the light transmitted from the light source to a scanner and to direct the photoacoustic signal generated from the object to the ultrasonic transducer; the scanner configured to reflect the light incident from the photoacoustic coupler to the object, and reflect the photoacoustic signal generated from the object to the photoacoustic coupler; a scanner controller configured to adjust a light incident position on the object by controlling the angle of the scanner; a light detector configured to obtain a light signal by detecting the light scattered or reflected from the object; and a processor configured to obtain bio-information based on the light signal and the photoacoustic signal.
    Type: Application
    Filed: February 22, 2022
    Publication date: May 25, 2023
    Applicants: SAMSUNG ELECTRONICS CO., LTD., POSTECH Research and Business Development Foundation
    Inventors: Sung Hyun NAM, Chulhong KIM, Ka Ram CHOI, Jin Young KIM, Jin Woo BAIK, Joongho AHN
  • Patent number: 11627895
    Abstract: A apparatus for estimating concentration may include: a spectrum obtainer configured to obtain Raman spectra of an object; and a processor configured to extract, from the Raman spectra, at least one analyte spectrum related to an analyte and at least one non-analyte spectrum related to a biological component other than the analyte, and estimate concentration of the analyte based on a first area under a curve of the at least one analyte spectrum and a second area under a curve of the at least one non-analyte spectrum.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: April 18, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yun S Park, Sung Hyun Nam, Woo Chang Lee, Ho Jun Chang
  • Patent number: 11607147
    Abstract: A component analyzing apparatus is provided. The component analyzing apparatus includes: an impedance measurer including: a plurality of electrodes having an electrode width that is determined based on an effective measurement depth for analyzing a component of an analyte and a gap between two electrodes among the plurality of electrodes, and an electrode controller configured to apply a first current to a first electrode and a second electrode among the plurality of electrodes and configured to measure impedance based on a voltage between a third electrode and a fourth electrode; and a processor configured to analyze the component of the analyte based on the impedance measured by the electrode controller.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: March 21, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kun Sun Eom, Sung Hyun Nam, Moon Seong Park, Yun S Park, Myoung Hoon Jung
  • Publication number: 20230055190
    Abstract: A Raman sensor includes a light source assembly having a plurality of light sources configured to emit light to a plurality of skin points of skin, each of the plurality of skin points having a predetermined separation distance from a light collection region of the skin from which Raman scattered light is collected; a light collector configured to collect the Raman scattered light from the light collection region of the skin; and a detector configured to detect the collected Raman scattered light.
    Type: Application
    Filed: November 8, 2022
    Publication date: February 23, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ho Jun CHANG, Sung Hyun NAM, Alexey ANIKANOV, Yun S PARK, Eui Seok SHIN, Woochang LEE
  • Publication number: 20230034618
    Abstract: An apparatus for estimating body temperature of an object is provided. The apparatus for estimating body temperature includes: a sensor configured to obtain spectra through a plurality of light paths of an object; and a processor configured to obtain a temperature slope between temperatures corresponding to the plurality of light paths based on the spectra of the plurality of light paths and a reference spectrum measured at a reference temperature, and estimate the body temperature of the object based on the temperature slope.
    Type: Application
    Filed: October 17, 2022
    Publication date: February 2, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Hyun NAM, So Young Lee, Ka Ram Choi
  • Patent number: 11530948
    Abstract: A Raman sensor includes a light source assembly having a plurality of light sources configured to emit light to a plurality of skin points of skin, each of the plurality of skin points having a predetermined separation distance from a light collection region of the skin from which Raman scattered light is collected; a light collector configured to collect the Raman scattered light from the light collection region of the skin; and a detector configured to detect the collected Raman scattered light.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: December 20, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ho Jun Chang, Sung Hyun Nam, Alexey Anikanov, Yun S Park, Eui Seok Shin, Woochang Lee
  • Publication number: 20220280078
    Abstract: Provided is an apparatus for estimating a target component, the apparatus including a temperature controller configured to modulate temperature of an object, a measurer configured to measure a spectrum for each temperature of the object that changes based on the modulation, and a processor configured to obtain effective optical pathlength vectors corresponding to a temperature change based on the spectrum for each temperature of the object, obtain a representative effective optical pathlength based on the obtained effective optical pathlength vectors, and obtain a target component estimation model based on the obtained representative effective optical pathlength.
    Type: Application
    Filed: May 13, 2021
    Publication date: September 8, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyeong Seok JANG, Sung Hyun NAM, Sung Mo AHN, Jun Ho LEE, Ho Jun CHANG
  • Publication number: 20220160239
    Abstract: An apparatus for estimating body temperature of an object is provided. The apparatus for estimating body temperature includes: a sensor configured to obtain spectra through a plurality of light paths of an object; and a processor configured to obtain a temperature slope between temperatures corresponding to the plurality of light paths based on the spectra of the plurality of light paths and a reference spectrum measured at a reference temperature, and estimate the body temperature of the object based on the temperature slope.
    Type: Application
    Filed: March 30, 2021
    Publication date: May 26, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Hyun NAM, So Young LEE, Ka Ram CHOI
  • Publication number: 20210356322
    Abstract: A method of calibrating an optical sensor may include acquiring a first characteristic for an external light source through a detector of an optical sensor while an internal light source of the optical sensor is turned off; driving the internal light source; acquiring a second characteristic for the internal light source and the external light source through the detector, based on driving the internal light source; and acquiring a reference characteristic of the internal light source, for calculation of an absorbance of an object, based on the first characteristic and the second characteristic.
    Type: Application
    Filed: October 29, 2020
    Publication date: November 18, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Hyun Nam, Hyeong Seok Jang, Jin Young Park
  • Patent number: 11112363
    Abstract: Provided is an apparatus for measuring particulate matter including an image obtaining device configured to charge particulate matter particles included in air that is introduced to the image obtaining device, and to obtain an image of the charged particulate matter particles based on lens-free imaging, a spectrum obtaining device configured to obtain a Raman spectrum of the charged particulate matter particles, and a processor configured to determine a size of the particulate matter particles and a concentration of the particulate matter particles based on the obtained image, and to determine components of the particulate matter particles based on the obtained Raman spectrum.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: September 7, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woo Chang Lee, Yun S Park, Ho Jun Chang, Sung Hyun Nam
  • Publication number: 20210219864
    Abstract: A component analyzing apparatus is provided. The component analyzing apparatus includes: an impedance measurer including: a plurality of electrodes having an electrode width that is determined based on an effective measurement depth for analyzing a component of an analyte and a gap between two electrodes among the plurality of electrodes, and an electrode controller configured to apply a first current to a first electrode and a second electrode among the plurality of electrodes and configured to measure impedance based on a voltage between a third electrode and a fourth electrode; and a processor configured to analyze the component of the analyte based on the impedance measured by the electrode controller.
    Type: Application
    Filed: May 19, 2020
    Publication date: July 22, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kun Sun Eom, Sung Hyun Nam, Moon Seong Park, Yun S Park, Myoung Hoon Jung
  • Publication number: 20210181019
    Abstract: A Raman sensor includes a light source assembly having a plurality of light sources configured to emit light to a plurality of skin points of skin, each of the plurality of skin points having a predetermined separation distance from a light collection region of the skin from which Raman scattered light is collected; a light collector configured to collect the Raman scattered light from the light collection region of the skin; and a detector configured to detect the collected Raman scattered light.
    Type: Application
    Filed: June 29, 2020
    Publication date: June 17, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ho Jun CHANG, Sung Hyun NAM, Alexey ANIKANOV, Yun S PARK, Eui Seok SHIN, Woochang LEE