Patents by Inventor Ui Kun Kwon

Ui Kun Kwon 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: 20190076099
    Abstract: An apparatus for non-invasively estimating bio-information is provided. According to one exemplary embodiment, the apparatus may include a bio-signal acquirer configured to acquire a bio-signal; and a processor configured to extract a plurality of characteristic points from the bio-signal, determine internally dividing points of the plurality of characteristic points, and extract feature values from the bio-signal based on the internally dividing points to perform bio-information estimation.
    Type: Application
    Filed: September 11, 2018
    Publication date: March 14, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Soon PARK, Ui Kun KWON
  • Method of measuring time difference between detection times, and device for performing the method
    Patent number: 10164725
    Abstract: A method of measuring a time difference between detection times includes receiving, from a first sensor, first information associated with a first detection time at which a first biosignal is detected, receiving, from a second sensor, second information associated with a second detection time at which a second biosignal is detected, and measuring a time difference between the first and the second detection times based on the first information and the second information.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: December 25, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jaechun Lee, Ui Kun Kwon, Seungkeun Yoon
  • Signal feature extracting method and apparatus
    Patent number: 10152574
    Abstract: A signal feature extracting method and apparatus is disclosed. The signal feature extracting apparatus estimates element signals forming an input signal using a signal model to be determined by parameters, and extracts signal features using the estimated element signals. The method of extracting a signal feature including estimating element signals from an input signal, and extracting a signal feature using the estimated element signals, wherein the estimating of the element signals comprises estimating a first element signal of the input signal, and estimating a second element signal based on a waveform of a first intermediate signal, the first intermediate signal being a signal derived from the first element signal eliminated from the input signal.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: December 11, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Soon Park, Ui Kun Kwon, Sang-joon Kim, Seungkeun Yoon, Changmok Choi
  • Method and device for impedance matching using isolated resonator in wireless power transmission system
    Patent number: 10141793
    Abstract: A wireless power transmitter includes a source resonator configured to transmit wireless power by resonating with a target resonator, a first power supply configured to supply power to the source resonator, a first switch configured to turn ON/OFF a connection between of the source resonator to the first power supply, and a controller configured to match an impedance of the source resonator by estimating a distance between the source resonator and the target resonator.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: November 27, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seungkeun Yoon, Ui Kun Kwon, Sang Joon Kim
  • APPARATUS AND METHOD FOR DETECTING BIOSIGNAL
    Publication number: 20180256066
    Abstract: A biosignal detecting apparatus and method thereof are disclosed, including a ring-type main body, and a pair of electrodes configured to be in contact with a finger of a user and to detect a biosignal of the user. An electrode of the pair of electrodes is disposed along an inner surface of the main body.
    Type: Application
    Filed: May 8, 2018
    Publication date: September 13, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ui Kun KWON, Sang Joon KIM
  • Apparatus and method for wirelessly receiving power
    Patent number: 10037847
    Abstract: A wireless power receiver includes a receiving unit configured to wirelessly receive power through a resonance between a source resonator and a target resonator. The wireless power receiver further includes a control unit configured to connect the target resonator to at least one capacitor to control a range of a voltage output from the target resonator.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: July 31, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ui Kun Kwon, Sang Joon Kim, Seung Keun Yoon
  • COMMUNICATION METHOD OF A TARGET TERMINAL AND AN ACCESS POINT FOR GROUP ID MANAGEMENT IN MU-MIMO TRANSMISSION
    Publication number: 20180183500
    Abstract: Provided is a communication method of a target terminal and an access point (AP) for a group identification (ID) management in a multi-user multiple-input multiple-output (MU-MIMO) transmission capable of managing a group ID of members of a group without influencing other terminals in the group by transmitting membership information and position information to each of a plurality of terminals.
    Type: Application
    Filed: February 20, 2018
    Publication date: June 28, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ui Kun KWON, Young Soo KIM
  • ADAPTIVE BIO-SIGNAL FEATURE COMBINING APPARATUS AND METHOD
    Publication number: 20180177466
    Abstract: An adaptive bio-signal feature combining apparatus includes: a feature extractor configured to extract first feature values and second feature values from a bio-signal of an object; a stable interval determiner configured to determine at least one stable interval in the bio-signal; a statistical variable calculator configured to calculate a statistical variable value of a first feature and a statistical variable value of a second feature for each of the at least one stable interval based on the first and second feature values extracted from the at least one stable interval; and a feature combiner configured to calculate an integrated combining coefficient that is used to combine the first feature and the second feature, based on the statistical variable value of the first feature and the statistical variable value of the second feature,
    Type: Application
    Filed: December 28, 2017
    Publication date: June 28, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Soon PARK, Ui Kun KWON, Dae Geun JANG, Young Soo KIM
  • BIO-SIGNAL FEATURE SCALING APPARATUS AND METHOD
    Publication number: 20180177465
    Abstract: A bio-signal feature scaling apparatus may include: a processor configured to execute instructions to: extract a feature from a bio-signal of an object; estimate a cause of change in a bio-state of the object; calibrate a scale factor based on the estimated cause of change in the bio-state; and scale the extracted feature by applying the calibrated scale factor to the extracted feature.
    Type: Application
    Filed: December 6, 2017
    Publication date: June 28, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ui Kun Kwon, Chang Soon Park, Dae Geun Jang, Young Soo Kim
  • Apparatus and method for detecting biosignal
    Patent number: 9993176
    Abstract: A biosignal detecting apparatus and method thereof are disclosed, including a ring-type main body, and a pair of electrodes configured to be in contact with a finger of a user and to detect a biosignal of the user. An electrode of the pair of electrodes is disposed along an inner surface of the main body.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: June 12, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ui Kun Kwon, Sang Joon Kim
  • BIO-SIGNAL PROCESSING APPARATUS AND BIOMETRIC INFORMATION DETECTION APPARATUS AND METHOD
    Publication number: 20180146921
    Abstract: A bio-signal processing apparatus, a biometric information detection apparatus, and a method of detecting biometric information are provided. The bio-signal processing apparatus includes a first low pass filter (LPF) configured to have a first cutoff frequency, and output a first preprocessed signal having low frequency components of an input bio-signal that are less than the first cutoff frequency, a second LPF configured to have a second cutoff frequency, and output a second preprocessed signal in which high frequency components greater than or equal to the second cutoff frequency are removed from the input bio-signal, and a processor configured to output an output bio-signal for biometric information detection, based on the output first preprocessed signal and the output second preprocessed signal.
    Type: Application
    Filed: May 30, 2017
    Publication date: May 31, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Keun YOON, Ui Kun KWON
  • Gesture recognition method, apparatus and wearable device
    Patent number: 9977509
    Abstract: A method and an apparatus for gesture recognition and a wearable device for gesture recognition are described. A method of gesture recognition involves using a processor to detect a motion artifact from an output signal of a biosignal sensor and generating a control signal to control a function of a target device that corresponds to a reference signal pattern in response to a signal pattern of the detected motion artifact corresponding to the reference signal pattern.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: May 22, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Soon Park, Ui Kun Kwon, Sang Joon Kim
  • Wireless power reception apparatus and method based on switching
    Patent number: 9960606
    Abstract: A wireless power reception apparatus includes a reception (RX) resonator configured to form a resonance coupling with a first resonance period associated with an envelope of a power to receive the power from a transmission (TX) resonator; a switch controller configured to generate, at intervals of the first resonance period, a control signal to deactivate the RX resonator at an off timing corresponding to a time instant at which a maximum energy is stored in an inductor of the RX resonator; and a switch configured to deactivate the RX resonator in response to the control signal.
    Type: Grant
    Filed: November 5, 2014
    Date of Patent: May 1, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jaechun Lee, Ui Kun Kwon, Sang Joon Kim, Seungkeun Yoon
  • Methods of detecting change in object and apparatuses for performing the methods
    Patent number: 9958483
    Abstract: A detecting apparatus includes a first resonator configured to generate a first resonance signal based on power output from a power supply in response to an object changing within a range of a field of the first resonator, a switch configured to connect the first resonator to the power supply in response to a control signal, and a controller configured to sample a value of an envelope of the first resonance signal to detect a change in the object.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: May 1, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jaechun Lee, Ui Kun Kwon, Sang Joon Kim, Seungkeun Yoon
  • METHOD AND APPARATUS FOR MEASURING BIOSIGNAL
    Publication number: 20180103910
    Abstract: A biosignal measuring method and apparatus are provided. The biosignal measuring method includes verifying whether a measured biosignal is in a range, and controlling an operation of the biosignal measuring apparatus when the measured biosignal deviates from the range based on a result of the verifying.
    Type: Application
    Filed: December 15, 2017
    Publication date: April 19, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ui Kun KWON, Sang Joon KIM, Jong Wook LEE
  • FEATURE EXTRACTION APPARATUS AND METHOD FOR BIOMETRIC INFORMATION DETECTION, BIOMETRIC INFORMATION DETECTION APPARATUS, AND WEARABLE DEVICE
    Publication number: 20180078215
    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: January 24, 2017
    Publication date: March 22, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: CHANG SOON PARK, UI KUN KWON, YOUNG SOO KIM
  • Biosignal processing apparatus and method
    Patent number: 9901270
    Abstract: A biosignal processing method involves estimating a baseline of a detected biosignal based on a comparison between the detected biosignal and a set value, and controlling a processing logic of the detected biosignal based on the estimated baseline.
    Type: Grant
    Filed: May 21, 2015
    Date of Patent: February 27, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ui Kun Kwon, Sang Joon Kim
  • APPARATUS AND METHOD FOR SHARING ENERGY IN WIRELESS DEVICE
    Publication number: 20180041622
    Abstract: A method and apparatus to share energy in a wireless device are provided. A power sharing method between a wireless device and at least one neighboring wireless device, includes scanning, by the wireless device, the at least one neighboring wireless device. The power sharing method further includes determining to share power with the at least one neighboring wireless device. The power sharing method further includes sharing power with the at least one neighboring wireless device.
    Type: Application
    Filed: October 17, 2017
    Publication date: February 8, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Tae Rim PARK, Tae Seok KIM, Ui Kun KWON, Sang Joon KIM
  • Method and apparatus for measuring biosignal
    Patent number: 9877685
    Abstract: A biosignal measuring method and apparatus are provided. The biosignal measuring method includes verifying whether a measured biosignal is in a range, and controlling an operation of the biosignal measuring apparatus when the measured biosignal deviates from the range based on a result of the verifying.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: January 30, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ui Kun Kwon, Sang Joon Kim, Jong Wook Lee
  • APPARATUS AND METHOD FOR EXTRACTING FEATURE OF BIO-SIGNAL, AND APPARATUS FOR DETECTING BIO- INFORMATION
    Publication number: 20180020990
    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: January 31, 2017
    Publication date: January 25, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: CHANG SOON PARK, UI KUN KWON, YOUNG SOO KIM