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).

  • APPARATUS AND METHOD FOR ESTIMATING BIO-INFORMATION
    Publication number: 20200275839
    Abstract: An apparatus for estimating bio-information includes a sensor configured to measure a bio-signal from an object, and a processor configured to obtain a feature based on the measured bio-signal, obtain a bio-information variation based on the obtained feature, obtain an adjustment coefficient based on the obtained bio-information variation, and estimate the bio-information by applying the obtained adjustment coefficient to the obtained bio-information variation.
    Type: Application
    Filed: October 4, 2019
    Publication date: September 3, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Soon PARK, Ui Kun KWON, Seung Keun YOON
  • Biosignal processing apparatus and method
    Patent number: 10751002
    Abstract: A biosignal processing apparatus includes a communication interface configured to receive a biosignal, and a processor configured to set a target interval of the biosignal, calculate a quality metric corresponding to the target interval based on a target component that is a frequency component of the target interval corresponding to a set value and a non-target component that is a frequency component of the target interval not corresponding to the set value, and estimate a quality of the biosignal based on the quality metric.
    Type: Grant
    Filed: July 18, 2016
    Date of Patent: August 25, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Soon Park, Ui Kun Kwon, Sang Joon Kim, Changmok Choi
  • FEATURE EXTRACTION APPARATUS AND METHOD FOR BIOMETRIC INFORMATION DETECTION, BIOMETRIC INFORMATION DETECTION APPARATUS, AND WEARABLE DEVICE
    Publication number: 20200245952
    Abstract: A feature extraction apparatus configured to perform biometric information detection includes a bio-signal obtainer configured to acquire a bio-signal; and a processor configured to decompose a waveform of the acquired bio-signal into component pulses and extract a feature for the biometric information detection based on characteristic points of the component pulses.
    Type: Application
    Filed: April 24, 2020
    Publication date: August 6, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Soon PARK, Ui Kun KWON, Young Soo KIM
  • Method and device for transmitting pay load sequence
    Patent number: 10735226
    Abstract: A method and a transmitter for transmitting a pay load sequence are provided. The transmitter includes a ternary sequence mapper configured to map a binary data sequence to a ternary sequence stored in the transmitter, and a pulse shaping filter configured to generate a first signal based on the mapped ternary sequence. The ternary sequence includes elements of ?1, 0, and 1.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: August 4, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Soon Park, Young Jun Hong, Sujit Jos, Young Soo Kim, Chandrashekhar Thejaswi Ps, Kiran Bynam, Manoj Choudhary
  • APPARATUS AND METHOD FOR ESTIMATING CARDIOVASCULAR INFORMATION
    Publication number: 20200196880
    Abstract: An apparatus and a method for estimating cardiovascular information. The apparatus for estimating cardiovascular information may include: a memory storing instructions; a processor configured to execute the instructions to: obtain a pulse wave signal of an object; determine an area under the pulse wave signal and above a reference point on the pulse wave signal; and estimate cardiovascular information of the object based on the determined area of the pulse wave signal.
    Type: Application
    Filed: December 11, 2019
    Publication date: June 25, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ui Kun KWON, Youn Ho KIM, Chang Soon PARK
  • Method and apparatus for controlling interleaving depth
    Patent number: 10693501
    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 25, 2018
    Date of Patent: June 23, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Soon Park, Youngsoo Kim, Jaewook Shim, Young Jun Hong, Hyosun Hwang
  • Feature extraction apparatus and method for biometric information detection, biometric information detection apparatus, and wearable device
    Patent number: 10667757
    Abstract: A feature extraction apparatus configured to perform biometric information detection includes a bio-signal obtainer configured to acquire a bio-signal; and a processor configured to decompose a waveform of the acquired bio-signal into component pulses and extract a feature for the biometric information detection based on characteristic points of the component pulses.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: June 2, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Soon Park, Ui Kun Kwon, Young Soo Kim
  • SIGNAL FILTERING AND SIGNAL PROCESSING APPARATUS AND METHOD
    Publication number: 20200145034
    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: Application
    Filed: January 3, 2020
    Publication date: May 7, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ui Kun KWON, Chang Soon PARK, Seungkeun YOON, Sang Joon KIM, Jaechun LEE, Changmok CHOI
  • APPARATUS AND METHOD FOR ESTIMATING BLOOD PRESSURE, AND APPARATUS FOR SUPPORTING BLOOD PRESSURE ESTIMATION
    Publication number: 20200113527
    Abstract: An apparatus for estimating a blood pressure, includes a sensor configured to measure a bio-signal, and a processor configured to acquire a feature value from the bio-signal, and detect a blood pressure change sign, based on the feature value. The processor is further configured to acquire a scale factor, based on the blood pressure change sign, and estimate the blood pressure, based on the feature value and the scale factor.
    Type: Application
    Filed: June 27, 2019
    Publication date: April 16, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Soon PARK, Ui Kun Kwon, Seung Keun Yoon, Dae Geun Jang
  • APPARATUS AND METHOD FOR ESTIMATING BLOOD PRESSURE
    Publication number: 20200113526
    Abstract: An apparatus for estimating blood pressure is provided. According to one embodiment, the apparatus for estimating blood pressure may include a sensor configured to measure a bio-signal from a subject, and a processor configured to acquire, form the bio-signal, a first feature value associated with cardiac output (CO) and a second feature value associated with total peripheral resistance (TPR), determine whether a current mechanism of blood pressure change of the subject is a post-exercise hypotension mechanism based on the first feature value and the second feature value, and estimate blood pressure according to determination of whether the current mechanism is the post-exercise hypotension mechanism.
    Type: Application
    Filed: May 17, 2019
    Publication date: April 16, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Soon PARK, Ui Kun KWON, Youn Ho KIM, Seung Keun YOON, Dae Geun JANG
  • APPARATUS AND METHOD FOR ESTIMATING BLOOD PRESSURE
    Publication number: 20200113453
    Abstract: A blood pressure estimating apparatus is provided. The blood pressure estimating apparatus may include: a sensor configured to measure a bio-signal waveform; and a processor configured to obtain a first feature based on a first area under the bio-signal waveform in a first time interval, obtain a second feature based on a second area under the bio-signal waveform in a second time interval which is different from the first time interval, and estimate blood pressure based on the first feature and the second feature.
    Type: Application
    Filed: April 3, 2019
    Publication date: April 16, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Soon PARK, Ui Kun KWON, Seung Keun YOON, Dae Geun JANG
  • APPARATUS AND METHOD FOR ESTIMATING BLOOD PRESSURE
    Publication number: 20200107789
    Abstract: An apparatus for estimating blood pressure is provided. The 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 extract one or more feature values from the bio-signal, to adjust a combination coefficient for combining the one or more feature values based on a reference value associated with vascular compliance, and to estimate blood pressure based on the adjusted combination coefficient, and the one or more feature values extracted from the bio-signal.
    Type: Application
    Filed: May 10, 2019
    Publication date: April 9, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ui Kun KWON, Chang Soon Park
  • METHOD AND APPARATUS FOR ENCODING AND DECODING PACKET
    Publication number: 20200076930
    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: November 7, 2019
    Publication date: March 5, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chang Soon PARK, Young Jun HONG, Youngsoo KIM, Hyosun HWANG
  • METHOD AND APPARATUS FOR ENCODING AND DECODING PACKET
    Publication number: 20200076931
    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: November 7, 2019
    Publication date: March 5, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chang Soon PARK, Young Jun HONG, Youngsoo KIM, Hyosun HWANG
  • METHOD AND APPARATUS FOR ENCODING AND DECODING PACKET
    Publication number: 20200076932
    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: November 7, 2019
    Publication date: March 5, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chang Soon PARK, Young Jun HONG, Youngsoo KIM, Hyosun HWANG
  • METHOD AND APPARATUS FOR DETECTING PACKET
    Publication number: 20200067846
    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: Application
    Filed: October 29, 2019
    Publication date: February 27, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ashutosh Deepak GORE, Sujit JOS, Jinesh P. NAIR, Chang Soon PARK, Kiran BYNAM, Young Jun HONG
  • APPARATUS AND METHOD FOR ESTIMATING BLOOD PRESSURE
    Publication number: 20200054223
    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: Application
    Filed: March 20, 2019
    Publication date: February 20, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ui Kun KWON, Chang Soon Park, Dae Geun Jang
  • APPARATUS AND METHOD FOR ESTIMATING BLOOD PRESSURE
    Publication number: 20200054290
    Abstract: An apparatus for non-invasively estimating blood pressure is provided. According to one embodiment, the apparatus for estimating blood pressure may include a bio-signal sensor configured to measure a bio-signal from a user and a processor configured to extract a feature from the bio-signal at an extraction time, acquire an offset based on a relative change value of the feature extracted at the extraction time, relative to a reference value of the feature obtained a time of calibration, and estimate blood pressure based on the relative change value of the extracted feature and the acquired offset.
    Type: Application
    Filed: May 16, 2019
    Publication date: February 20, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae Geun JANG, Ui Kun KWON, Chang Soon PARK
  • APPARATUS AND METHOD FOR ESTIMATING BIO-INFORMATION
    Publication number: 20200037963
    Abstract: An apparatus for estimating bio-information is disclosed. The bio-information estimating apparatus includes: a sensor configured to measure a bio-signal; and a processor configured to obtain one or more characteristic points, related to one or more pulse waveform components constituting the bio-signal, based on a differential signal of the bio-signal, and to estimate bio-information based on the obtained one or more characteristic points.
    Type: Application
    Filed: March 20, 2019
    Publication date: February 6, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Soon PARK, Ui Kun KWON, Seung Keun YOON, Dae Geun JANG
  • APPARATUS AND METHOD FOR CALIBRATION OF BIO-INFORMATION ESTIMATION MODEL, AND BIO-INFORMATION ESTIMATING APPARATUS
    Publication number: 20200033164
    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: May 10, 2019
    Publication date: January 30, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Soon PARK, Ui Kun KWON, Seung Keun YOON, Dae Geun JANG