Patents by Inventor Geun JANG

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).

  • Publication number: 20230283207
    Abstract: Proposed is a motor drive apparatus driving first and second motors having first wirings and second wirings, respectively, including a first inverter including first switching elements, an alternating-current terminal of the first inverter being connected to a first terminal of each of the first wirings, a second inverter including second switching elements, a first change-over switch including third switching elements, first-side terminals thereof being connected to second terminals of the first wirings, respectively, and second-side terminals being connected, a second change-over switch including fourth switching elements, first-side terminals thereof being connected to the second terminals, respectively, and second-side terminals being connected to an alternating-current terminal of the second inverter, a third change-over switch including fifth switching elements, first-side terminals thereof being connected to the alternating-current terminal, and second-side terminals being connected to the second wirin
    Type: Application
    Filed: November 11, 2022
    Publication date: September 7, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Choul Woo JUNG, In Ho KIM, Han Geun JANG, Nae Chun PARK
  • Patent number: 11739462
    Abstract: A washing machine capable of automatically supplying detergents to a detergent mixing tub uses a detergent dispenser removably mounted to an upper portion of the washing machine. A washing machine capable of automatically supplying softening agents to a softening agent mixing tub uses a softening agent dispenser removably mounted to an upper portion of the washing machine. A washing machine capable of automatically supplying detergents to a washing tub uses a pump coupled to a detergent dispenser mounted to an upper portion of the washing machine and the pump is operated by using a driving force of a motor coupled to a door. A washing machine capable of automatically supplying softening agents to a washing tub uses a pump coupled to a softening agent dispenser mounted to an upper portion of the washing machine and operated by using a driving force of a motor coupled to a door.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: August 29, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Gi Hoon Ko, Youn Young Gwak, Han Na Yoo, Kang Kyung Lee, Seok Geun Jang
  • Publication number: 20230255503
    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: April 19, 2023
    Publication date: August 17, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae Geun JANG, Ui Kun KWON, Chang Soon PARK
  • Publication number: 20230253907
    Abstract: A motor driving apparatus of driving a motor including a plurality of windings corresponding to a plurality of phases, includes a first inverter including first switching elements and including a first direct-current (DC) terminal connected to a battery and a first alternating-current (AC) terminal connected to one ends of the plurality of windings; a second inverter including second switching elements and including a second DC terminal selectively short circuited or opened with the first DC terminal and a second AC terminal connected to another ends of the plurality of windings; a third switching element including one end connected to the first DC terminal and another end connected to the second DC terminal, and configured to selectively short circuit or open the first DC terminal and the second DC terminal; and a controller configured to control ON/OFF states of the first switching elements, the second switching elements and the third switching element based on a required output of the motor.
    Type: Application
    Filed: August 16, 2022
    Publication date: August 10, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Nae Chun PARK, Han Geun Jang, In Ho Kim, Sang Cheol Shin, Choul Woo Jung
  • Patent number: 11701010
    Abstract: 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: Grant
    Filed: March 20, 2019
    Date of Patent: July 18, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ui Kun Kwon, Chang Soon Park, Dae Geun Jang
  • Publication number: 20230225127
    Abstract: A semiconductor device includes a first stack structure including first interlayer insulating layers and first conductive patterns alternately stacked on each other in a first direction and a second conductive pattern comprising electrode portions and a connecting portion. The electrode portions of the second conductive pattern are stacked to be spaced apart from each other above the first stack structure. The connecting portion of the second conductive pattern extends in the first direction to intersect the electrode portions and couples the electrode portions. The semiconductor device further includes a vertical channel and a vertical conductive structure that pass through the first stack structure and the electrode portions of the second conductive pattern. The vertical conductive structure is spaced apart from the first stack structure and the second conductive pattern.
    Type: Application
    Filed: January 12, 2023
    Publication date: July 13, 2023
    Applicant: SK hynix Inc.
    Inventors: Young Geun JANG, Wan Sup SHIN, Ki Hong LEE, Jae Jung LEE
  • Publication number: 20230190118
    Abstract: 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: Application
    Filed: June 14, 2022
    Publication date: June 22, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Soon PARK, Ui Kun KWON, Young Soo KIM, Dae Geun JANG
  • Publication number: 20230190117
    Abstract: 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: Application
    Filed: June 14, 2022
    Publication date: June 22, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Soon PARK, Ui Kun KWON, Young Soo KIM, Dae Geun JANG
  • Patent number: 11660009
    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: Grant
    Filed: March 6, 2020
    Date of Patent: May 30, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae Geun Jang, Ui Kun Kwon, Chang Soon Park
  • Patent number: 11660053
    Abstract: 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: Grant
    Filed: January 28, 2019
    Date of Patent: May 30, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Keun Yoon, Ui Kun Kwon, Dae Geun Jang
  • Publication number: 20230157554
    Abstract: An apparatus and method for detecting a bio-signal feature are provided. The apparatus according to one aspect may include: a bio-signal acquirer configured to acquire a bio-signal; and a processor configured to generate an envelope signal of the bio-signal, and detect at least one feature of the bio-signal based on a difference between the envelope signal and the bio-signal.
    Type: Application
    Filed: January 9, 2023
    Publication date: May 25, 2023
    Applicant: SAMSUNG ELECTRONICS CO, LTD.
    Inventor: Dae Geun JANG
  • Patent number: 11655518
    Abstract: In accordance with one aspect of the present disclosure, there is provided a steel material for a tailor-welded blank, including 0.04 to 0.06 wt % of carbon (C), 1.2 to 1.5 wt % of manganese (Mn), 0.01 to 0.10 wt % of titanium (Ti), 0.01 to 0.10 wt % of niobium (Nb), and the balance of iron (Fe) and inevitable impurities; having a tensile strength (TS) of 550 MPa or greater, a yield strength (YS) of 300 MPa or greater, and an elongation (EL) of 20% or greater; and having a dual-phase structure of ferrite and martensite.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: May 23, 2023
    Assignee: Hyundai Steel Company
    Inventors: Byung Gil Yoo, Hyeong Hyeop Do, Chee Woong Song, Do Hak Kim, Young Mun Shin, Soon Geun Jang, Sang Mun Hong
  • Publication number: 20230133746
    Abstract: Disclosed is a method for producing hydrogen, carbon, and ethylene from a methane-containing feedstock even without recycling of unreacted methane by providing a single process or system in which a methane-containing feedstock is subjected to two methane conversion steps. The method includes a first conversion step of producing hydrogen and carbonaceous materials and a second conversion step of producing acetylene from unreacted methane and hydrogen discharged from the first conversion step while maintaining a good methane conversion and suppressing coke formation, followed by separating and recovering ethylene and hydrogen produced through selective hydrogenation of acetylene.
    Type: Application
    Filed: October 28, 2022
    Publication date: May 4, 2023
    Inventors: Dong Min Yun, Hee Soo Kim, Ji Hoon Lee, Jung Geun Jang, Dae Hyun Choo
  • Publication number: 20230139441
    Abstract: A method of extracting a representative waveform of a bio-signal includes receiving an input of the bio-signal; dividing the bio-signal into a plurality of sub-signals; selecting at least one sub-signal for extracting a representative waveform from among the divided sub-signals; extracting a representative waveform by using the at least one selected sub-signal; evaluating a quality of the extracted representative waveform; and based on the representative waveform satisfying a predetermined quality criterion corresponding to the evaluation, determining that the representative waveform is a final representative waveform.
    Type: Application
    Filed: February 15, 2022
    Publication date: May 4, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ui Kun KWON, Young Soo KIM, Chang Soon PARK, Dae Geun JANG
  • Publication number: 20230119697
    Abstract: A method of evaluating quality of a bio-signal includes receiving an input bio-signal; setting a quality evaluation region in thebio-signal; dividing a signal of the quality evaluation region into a plurality of sub-signals; extracting a representative waveform by using the plurality of sub-signals; evaluating a quality of each sub-signal based on the representative waveform; and evaluating a quality of the signal in the quality evaluation region based on quality evaluation results of the plurality of sub-signals.
    Type: Application
    Filed: February 14, 2022
    Publication date: April 20, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ui Kun KWON, Dae Geun Jang, Chang Soon Park, Young Soo Kim
  • Patent number: 11629389
    Abstract: In accordance with one aspect of the present disclosure, there is provided a steel material for a tailor-welded blank, including 0.04 to 0.06 wt % of carbon (C), 1.2 to 1.5 wt % of manganese (Mn), 0.01 to 0.10 wt % of titanium (Ti), 0.01 to 0.10 wt % of niobium (Nb), and the balance of iron (Fe) and inevitable impurities; having a tensile strength (TS) of 550 MPa or greater, a yield strength (YS) of 300 MPa or greater, and an elongation (EL) of 20% or greater; and having a dual-phase structure of ferrite and martensite.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: April 18, 2023
    Assignee: Hyundai Steel Company
    Inventors: Byung Gil Yoo, Hyeong Hyeop Do, Chee Woong Song, Do Hak Kim, Young Mun Shin, Soon Geun Jang, Sang Mun Hong
  • Patent number: 11622692
    Abstract: A signal processing apparatus includes a memory configured to store instructions; and a processor configured to execute the instructions to obtain a signal; obtain a frequency band spectrum by applying a Fast Fourier Transform (FFT) to the obtained signal; and remove noise from the obtained spectrum by applying a first filter and a second filter, which are different from each other, to the obtained frequency band spectrum.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: April 11, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Mok Choi, Dae Geun Jang
  • Publication number: 20230107126
    Abstract: A semiconductor device, and method of manufacturing a semiconductor device, includes second conductive patterns separated from each other above a first stack structure which is penetrated by first channel structures and enclosing second channel structures coupled to the first channel structures, respectively. Each of the second conductive patterns includes electrode portions stacked in a first direction and at least one connecting portion extending in the first direction to be coupled to the electrode portions.
    Type: Application
    Filed: December 6, 2022
    Publication date: April 6, 2023
    Applicant: SK hynix Inc.
    Inventors: Young Geun JANG, Wan Sup SHIN, Ki Hong LEE, Jae Jung LEE
  • Publication number: 20230065255
    Abstract: 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: Application
    Filed: November 10, 2022
    Publication date: March 2, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Soon PARK, Ui Kun KWON, Seung Keun YOON, Dae Geun JANG
  • Patent number: D985883
    Type: Grant
    Filed: February 17, 2021
    Date of Patent: May 16, 2023
    Assignee: VIVRO INC.
    Inventors: In-Woo Jo, Yong-Geun Jang, Seong Eun Baek