Patents by Inventor Eun Hwang

Eun Hwang 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: 20230309582
    Abstract: Provided are a beverage composition comprising: chlorophyll-deficient Chlorella; a specific gum as a stabilizer; and an aqueous liquid medium and a process for preparing the same, wherein the beverage composition exhibits excellent dispersion stability without precipitation, and prevent the browning phenomenon occurring in a sterilization process.
    Type: Application
    Filed: August 25, 2021
    Publication date: October 5, 2023
    Applicant: DAESANG CORPORATION
    Inventors: Bo-Ra KIM, Ji-Eun HWANG, Jin-Young JEON
  • Publication number: 20230293027
    Abstract: An apparatus for measuring bio-information may include: a pulse wave sensor comprising at least one pair of light emitters which are disposed apart from each other and a light receiver disposed between the at least one pair of light emitters, and configured to measure a plurality of pulse wave signals from an object by using the light receiver and the at least one pair of light emitters; a force sensor configured to measure a contact force that is applied to the pulse wave sensor by the object; and a processor configured to generate an integrated pulse wave signal by integrating the plurality of pulse wave signals based on the contact force and an area of a contact surface of the pulse wave sensor, and estimate bio-information of the object based on the integrated pulse wave signal.
    Type: Application
    Filed: May 25, 2023
    Publication date: September 21, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jeong Eun HWANG, Byung Hoon Ko, Chang Mok Choi, Sang Yun Park, Jong Wook Lee
  • Patent number: 11712206
    Abstract: An apparatus for estimating bio-information, includes a sensor including a cover having a transmitting area provided at a center of the cover, and non-transmitting areas provided at both edges of the cover, a light source configured to emit light onto an object that is in contact with the cover, and a detector configured to detect a first optical signal of the emitted light that is scattered or reflected from the object after passing through the transmitting area, and a second optical signal of the emitted light that is reflected from the non-transmitting areas. The apparatus further includes a processor configured to estimate bio-information, based on the detected first optical signal and the detected second optical signal.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: August 1, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byung Hoon Ko, Seung Woo Noh, Jong Wook Lee, Jeong Eun Hwang, Youn Ho Kim
  • Patent number: 11701009
    Abstract: An apparatus for measuring bio-information may include: a pulse wave sensor comprising at least one pair of light emitters which are disposed apart from each other and a light receiver disposed between the at least one pair of light emitters, and configured to measure a plurality of pulse wave signals from an object by using the light receiver and the at least one pair of light emitters; a force sensor configured to measure a contact force that is applied to the pulse wave sensor by the object; and a processor configured to generate an integrated pulse wave signal by integrating the plurality of pulse wave signals based on the contact force and an area of a contact surface of the pulse wave sensor, and estimate bio-information of the object based on the integrated pulse wave signal.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: July 18, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeong Eun Hwang, Byung Hoon Ko, Chang Mok Choi, Sang Yun Park, Jong Wook Lee
  • Publication number: 20230219417
    Abstract: A vehicle according to embodiments includes a display unit displaying information related to the vehicle, a sensor unit detecting a position of a user of the vehicle, and a processor controlling the display unit, wherein the sensor unit is located at a bottom end of the display unit and wherein the sensor unit includes at least one or more light emitting units emitting light and at least one or more sensors receiving the light.
    Type: Application
    Filed: December 8, 2022
    Publication date: July 13, 2023
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Sung Hyun PARK, Jun Seong SEO, Sol Ji YOO, Hyang Sook KIM, Ji Eun HWANG
  • 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: 11682184
    Abstract: An apparatus for estimating bio-information may include an optical sensor comprising a light emitter disposed on a substrate, and a plurality of light receiving groups which are arranged on a plurality of concentric circles on the substrate, at different distances from the light emitter, respectively, and a processor configured to drive one of the plurality of light receiving groups that is selected based on a type of the bio-information to be estimated, and estimate the bio-information of an object based on optical signals detected by the driven light receiving group.
    Type: Grant
    Filed: February 9, 2022
    Date of Patent: June 20, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kun Sun Eom, Yoon Jae Kim, Hyun Seok Moon, Jin Young Park, Myoung Hoon Jung, Jeong Eun Hwang
  • Publication number: 20230168188
    Abstract: An electronic device may include an optical sensor configured to emit a reference light to a reference object and detect the reference light reflected from the reference object during calibration, and emit a measurement light to a target object and detect the measurement light reflected from the target object during a measurement; and a processor configured to perform the calibration of the optical sensor while the electronic device is disposed to oppose or in contact with the reference object by controlling the optical sensor to emit and detect the reference light, and estimate bio-information based on a light quantity of the measurement light that is reflected from the target object by the optical sensor, and a light quantity of the reference light reflected from the reference object.
    Type: Application
    Filed: March 23, 2022
    Publication date: June 1, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun Seok MOON, Yoon Jae KIM, Jin Young PARK, Kun Sun EOM, Myoung Hoon JUNG, Jeong Eun HWANG
  • Publication number: 20230157593
    Abstract: An electronic device according to one aspect may include a main body, a sensor part disposed on one surface of the main body and configured to detect a light signal of an object, a first output interface comprising a light emitter disposed on one surface of the main body and configured to guide a user through a measurement operation by controlling a light-emitting mode of the light emitter, and a processor configured to control the first output interface according to the measurement operation and estimate the user's bioinformation based on a result of detecting the light signal by the sensor part.
    Type: Application
    Filed: March 16, 2022
    Publication date: May 25, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yoon Jae KIM, Hyun Seok MOON, Jin Young PARK, Kun Sun EOM, Myoung Hoon JUNG, Jeong Eun HWANG
  • Publication number: 20230146917
    Abstract: An apparatus for estimating bio-information may include an optical sensor comprising a light emitter disposed on a substrate, and a plurality of light receiving groups which are arranged on a plurality of concentric circles on the substrate, at different distances from the light emitter, respectively, and a processor configured to drive one of the plurality of light receiving groups that is selected based on a type of the bio-information to be estimated, and estimate the bio-information of an object based on optical signals detected by the driven light receiving group
    Type: Application
    Filed: February 9, 2022
    Publication date: May 11, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kun Sun EOM, Yoon Jae Kim, Hyun Seok Moon, Jin Young Park, Myoung Hoon Jung, Jeong Eun Hwang
  • Publication number: 20230141246
    Abstract: An electronic device may include: an optical sensor configured to emit a reference light to a reference object and detect the reference light reflected from the reference object during calibration, and emit a measurement light to a target object and detect the measurement light reflected from the target object during a measurement; a display; and a processor configured to: when the electronic device is placed on a charger and is in a charging state, perform the calibration of the optical sensor based on the reference light reflected from the reference object; control the display to output guide information for estimating bio-information according to progress stages of the measurement after charging of the electronic device; and estimate the bio-information based on a light quantity of the measurement light that is reflected from the target object, and a light quantity of the reference light reflected from the reference object.
    Type: Application
    Filed: March 29, 2022
    Publication date: May 11, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Myoung Hoon JUNG, Yoon Jae KIM, Hyun Seok MOON, Jin Young PARK, Kun Sun EOM, Jeong Eun HWANG
  • Patent number: 11644152
    Abstract: Disclosed is a gas injection apparatus which measures and displays a gas amount supplied to a radiosonde instrument. The gas injection apparatus includes: a body which includes an inlet port through which the gas is introduced from the storage tank, a flow passage through which the gas introduced from the inlet port flows, and an outlet port through which the gas passing through the flow passage is discharged; a valve which opens/closes the flow passage, and a flow meter which is installed in the body and is configured to measure and display the flow rate of the gas supplied to the instrument.
    Type: Grant
    Filed: August 31, 2022
    Date of Patent: May 9, 2023
    Assignee: REPUBLIC OF KOREA (National Institute of Meteorological Sciences)
    Inventors: Sung Eun Hwang, Byeong Taek Kim, Young Tae Lee, Ki Hoon Kim
  • Publication number: 20230095802
    Abstract: Proposed is a vibration-proof hanger. According to one embodiment, the vibration-proof hanger includes a fitting bracket having a fixed plate configured to allow a first surface to be integrally fixed to an artificial structure, wherein a hinge unit is provided on a second surface of the fixed plate, a tilting arm unit configured to allow one end to be rotatably fixed to the hinge unit to be tilted, and a vibration-proof unit configured to be coupled to the tilting arm unit to absorb vibration transferred to the tilting arm unit or rotate to prevent vibration of the tilting arm unit.
    Type: Application
    Filed: September 27, 2021
    Publication date: March 30, 2023
    Inventors: Sunbeom HWANG, Yeong-eun HWANG
  • Patent number: 11607133
    Abstract: A biological component measuring apparatus may include: a first light source configured to emit a first light of a first wavelength range onto an object; a second light source configured to emit a second light of a second wavelength range onto the object, the second wavelength range being different from the first wavelength range; a detector configured to detect the first light and the second light which are scattered from the object; and a processor configured to determine a scattering coefficient based on the detected first light, obtain blood vessel depth information based on the detected second light, and measure a biological component by correcting the scattering coefficient based on the blood vessel depth information.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: March 21, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kun Sun Eom, Joon Hyung Lee, Jeong Eun Hwang, Jung Yong Nam, Ki Young Chang
  • Publication number: 20230064365
    Abstract: Disclosed is a gas injection apparatus which measures and displays a gas amount supplied to a radiosonde instrument. The gas injection apparatus includes: a body which includes an inlet port through which the gas is introduced from the storage tank, a flow passage through which the gas introduced from the inlet port flows, and an outlet port through which the gas passing through the flow passage is discharged; a valve which opens/closes the flow passage, and a flow meter which is installed in the body and is configured to measure and display the flow rate of the gas supplied to the instrument.
    Type: Application
    Filed: August 31, 2022
    Publication date: March 2, 2023
    Applicant: REPUBLIC OF KOREA (NATIONAL INSTITUTE OF METEOROLOGICAL SCIENCES)
    Inventors: Sung Eun Hwang, Byeong Taek Kim, Young Tae Lee, Ki Hoon Kim
  • Publication number: 20230009487
    Abstract: Disclosed herein is a method and apparatus for producing hydrogen and oxygen from water, more particularly, for decomposing water molecular bonds using resonant waves. The produced hydrogen gas may be used as a fuel, and the released oxygen gas may be used as an oxidant.
    Type: Application
    Filed: July 7, 2021
    Publication date: January 12, 2023
    Inventor: Myeong-Eun HWANG
  • Patent number: 11540737
    Abstract: An apparatus for measuring bio-information may include a pulse wave sensor that may measure a pulse wave signal from an object in contact with a measurement surface. The apparatus may include a force sensor that may measure a contact force between the pulse wave sensor and the object. The apparatus may include a fastener configured to fasten the pulse wave sensor to an electronic device such that the pulse wave sensor is rotatable around a center axis in a length direction of the pulse wave sensor. The apparatus may include a processor that may determine a direction in which a measurement region of the pulse wave signal or the measurement surface of the pulse wave sensor is oriented, select a measurement mode from among a plurality of measurement modes, and estimate bio-information of the object.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: January 3, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeong Eun Hwang, Byung Hoon Ko, Jong Wook Lee, Youn Ho Kim
  • Patent number: 11510580
    Abstract: An electronic device according to an aspect of the present disclosure includes a touch screen. The electronic device includes a communication interface that may receive, from a touch pen, a pulse wave signal of a user which is measured from a finger of the user by the touch pen while the touch pen is placed on the touch screen. The electronic device includes a processor that may determine whether a measurement posture of the user is appropriate based on whether the finger touches the touch screen, and in response to determining that the user's measurement posture is appropriate, estimate bio-information of the user based on the received pulse wave signal.
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: November 29, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong Wook Lee, Byung Hoon Ko, Young Soo Kim, Chang Mok Choi, Jeong Eun Hwang, Youn Ho Kim
  • Publication number: 20220365244
    Abstract: There is provided with a precipitation meter which includes: an upper receiver in which an upper heating unit is embedded to provide heat to an upper surface of the upper receiver to prevent snow from being accumulated thereon, wherein the upper receiver is comprised of a first inner side surface forming inner space for collecting water and a first outer side surface which is an opposite surface of the first inner side surface; a lower receiver with a funnel-shaped part, positioned underneath the upper receiver; a siphon, positioned under the center area of the funnel-shaped part; a tipping bucket unit for receiving the waterdrops from the siphon; a precipitation calculation unit for receiving information on the seesawing movement of the tipping bucket unit and calculating an amount of precipitation by referring to the seesawing movement; and a drainage unit for allowing the waterdrops to be drained out.
    Type: Application
    Filed: July 25, 2022
    Publication date: November 17, 2022
    Inventors: Byeong Taek Kim, Young Tae Lee, Sung Eun Hwang, Kyu Young Reno Choi, Ki Hoon Kim
  • Patent number: 11490822
    Abstract: An apparatus for estimating bio-information includes a pulse wave sensor configured to measure a pulse wave signal from an object, for a predetermined period of time, a processor configured to extract DC components of the pulse wave signal measured for the predetermined period of time, normalize the extracted DC components, based on at least one of the extracted DC components of the pulse wave signal measured at a time when a reference force is applied by the object to the pulse wave sensor, and estimate the bio-information, based on the normalized DC components.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: November 8, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Mok Choi, Jeong Eun Hwang, Byung Hoon Ko, Jong Wook Lee, Youn Ho Kim