Patents by Inventor Chang Soon Park

Chang Soon Park 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: 11183249
    Abstract: To program in a nonvolatile memory device, a memory block is provided with a plurality of sub blocks disposed in a vertical direction where the memory block includes a plurality of cell strings each including a plurality of memory cells connected in series and disposed in the vertical direction. A plurality of intermediate switching transistors are disposed in a boundary portion between two adjacent sub blocks in the vertical direction. Each of the plurality of intermediate switching transistors is selectively activated based on a program address during a program operation. The selectively activating each of the plurality of intermediate switching transistors includes selectively turning on one or more intermediate switching transistors in a selected cell string based on the program address.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: November 23, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-Yeon Yu, Kui-Han Ko, Il-Han Park, June-Hong Park, Joo-Yong Park, Joon-Young Park, Bong-Soon Lim
  • Publication number: 20210356461
    Abstract: The present invention relates to a carbene compound having substituted at the terminal polyethylene glycol (PEG) having nitrogen-containing functional groups, a carbene-metal nanoparticle complex in which the carbene compound and metal nanoparticles are bounded, a preparation method thereof, and a biosensor using same.
    Type: Application
    Filed: October 10, 2019
    Publication date: November 18, 2021
    Applicant: KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGY
    Inventors: Oh Seok KWON, Tae Joon KANG, Seon Joo PARK, Chul Soon PARK, Kyung Ho KIM, Jin Yeong KIM, Ji Yeon LEE, Chang Soo LEE
  • Publication number: 20210360092
    Abstract: A method of a transmitter transmitting a packet encoded by applying a coding scheme based on a wireless channel environment to a receiver, and a method of the receiver detecting the coding scheme applied to the encoded packet and decoding the packet, in which the transmitter applies a spreading factor corresponding to the coding scheme to a preamble of the packet, and the receiver decodes the packet by detecting the coding scheme using the preamble.
    Type: Application
    Filed: July 29, 2021
    Publication date: November 18, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chang Soon PARK, Young Jun HONG, Youngsoo KIM, Hyosun HWANG
  • 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
  • Patent number: 11108896
    Abstract: A method of a transmitter transmitting a packet encoded by applying a coding scheme based on a wireless channel environment to a receiver, and a method of the receiver detecting the coding scheme applied to the encoded packet and decoding the packet, in which the transmitter applies a spreading factor corresponding to the coding scheme to a preamble of the packet, and the receiver decodes the packet by detecting the coding scheme using the preamble.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: August 31, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Soon Park, Young Jun Hong, Youngsoo Kim, Hyosun Hwang
  • Patent number: 11108897
    Abstract: A method of a transmitter transmitting a packet encoded by applying a coding scheme based on a wireless channel environment to a receiver, and a method of the receiver detecting the coding scheme applied to the encoded packet and decoding the packet, in which the transmitter applies a spreading factor corresponding to the coding scheme to a preamble of the packet, and the receiver decodes the packet by detecting the coding scheme using the preamble.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: August 31, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Soon Park, Young Jun Hong, Youngsoo Kim, Hyosun Hwang
  • 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
  • Patent number: 11050861
    Abstract: A method of a transmitter transmitting a packet encoded by applying a coding scheme based on a wireless channel environment to a receiver, and a method of the receiver detecting the coding scheme applied to the encoded packet and decoding the packet, in which the transmitter applies a spreading factor corresponding to the coding scheme to a preamble of the packet, and the receiver decodes the packet by detecting the coding scheme using the preamble.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: June 29, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Soon Park, Young Jun Hong, Youngsoo Kim, Hyosun Hwang
  • 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
  • Patent number: 11018699
    Abstract: A method and an apparatus for controlling an interleaving depth are provided. The interleaving depth controlling method includes performing a modulo operation on an interleaving depth selected to be less than or equal to a maximum interleaving depth and a total number of codewords to obtain a number of remaining codewords; and comparing the total number of the codewords to the interleaving depth, when the number of the remaining codewords excludes “0”, to control the interleaving depth.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: May 25, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Soon Park, Youngsoo Kim, Jaewook Shim, Young Jun Hong, Hyosun Hwang
  • 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: 20210068762
    Abstract: An apparatus for estimating bio-information includes: 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, to detect at least one of an inflection point in a predetermined period of the second-order differential signal, and a zero-crossing point in the predetermined period of the second-order differential signal, to extract a feature based on the detected at least one of the inflection point and the zero-crossing point, and to estimate bio-information based on the extracted feature.
    Type: Application
    Filed: May 15, 2020
    Publication date: March 11, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Soon PARK, Seung Keun YOON, Dae Geun JANG
  • Patent number: 10904156
    Abstract: A method to detect a packet includes: receiving an input sequence including preambles; detecting a transition from a noise period to a signal period in the input sequence; dynamically adjusting a gain of the input sequence in response to the signal period being initiated; and distinguishing an intended packet from other packets, among packets received in the preambles.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: January 26, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ashutosh Deepak Gore, Sujit Jos, Jinesh P. Nair, Chang Soon Park, Kiran Bynam, Young Jun Hong
  • 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: 20210000429
    Abstract: An apparatus for calibrating a bio-information estimation model is provided. The apparatus for calibrating a bio-information estimation model includes: a data obtainer configured to obtain at least one pulse wave signal; and a processor configured to extract a plurality of feature sets, each feature set including one or more features, from each of the at least one pulse wave signal, and configured to calibrate a bio-information estimation model based on a correlation distribution of the extracted plurality of feature sets.
    Type: Application
    Filed: March 6, 2020
    Publication date: January 7, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Keun YOON, Seung Woo Noh, Chang Soon Park, Jin Woo Choi
  • 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: 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: 20200287568
    Abstract: A method and an apparatus for controlling an interleaving depth are provided. The interleaving depth controlling method includes performing a modulo operation on an interleaving depth selected to be less than or equal to a maximum interleaving depth and a total number of codewords to obtain a number of remaining codewords; and comparing the total number of the codewords to the interleaving depth, when the number of the remaining codewords excludes “0”, to control the interleaving depth.
    Type: Application
    Filed: May 27, 2020
    Publication date: September 10, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chang Soon PARK, Youngsoo KIM, Jaewook SHIM, Young Jun HONG, Hyosun HWANG