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).

  • GESTURE CLASSIFICATION APPARATUS AND METHOD USING EMG SIGNAL
    Publication number: 20170220923
    Abstract: A gesture classification apparatus and method is disclosed. The apparatus may include a feature extractor configured to extract a plurality of features using a electromyogram (EMG) data group obtained from an EMG signal sensor including a plurality of channels, an artificial neural network including an input layer to which the EMG data group corresponding to the plurality of features is input and an output layer configured to output a preset gesture corresponding to the plurality of features, and a gesture recognizer configured to recognize a gesture performed by a user and corresponding to the extracted features.
    Type: Application
    Filed: September 14, 2016
    Publication date: August 3, 2017
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Korea Advanced Institute of Science and Technology
    Inventors: Chisung BAE, Jin Woo SHIN, Kwi Hyuk JIN, Ui Kun KWON
  • COMMUNICATION SYSTEM USING WIRELESS POWER
    Publication number: 20170222486
    Abstract: Provided is an apparatus and method for wirelessly transmitting power. According to one general aspect, a communication device using wireless power may include: a transmitter configured to transmit, to a target resonator, energy stored in a source resonator through mutual resonance; an energy compensator configured to compensate for energy expended in the source resonator; and a controller configured to control an electrical connection providing energy to the source resonator.
    Type: Application
    Filed: April 14, 2017
    Publication date: August 3, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang Joon KIM, Ui Kun KWON
  • Method and apparatus for wireless energy reception using hybrid synchronization
    Patent number: 9698630
    Abstract: A wireless energy reception apparatus includes a target resonator configured to receive energy on a frame-by-frame basis from an energy transmission end through a resonance with a source resonator in a symbol duration constituting a criterion for transmitting energy from the energy transmission end to an energy reception end; a load end configured to receive power from the target resonator; a switching unit configured to connect the target resonator to the load end, and disconnect the target resonator from the load end; and a controller configured to control symbol synchronization by detecting a start point of a symbol based on a distance between the source resonator and the target resonator.
    Type: Grant
    Filed: August 1, 2014
    Date of Patent: July 4, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ui Kun Kwon, Sang Joon Kim, Seung Keun Yoon
  • METHOD AND APPARATUS FOR PROCESSING BIOSIGNAL
    Publication number: 20170172514
    Abstract: A method of processing a biosignal includes estimating a time period from a time-domain biosignal, converting a biosignal corresponding to a time interval based on the time period to a frequency-domain signal, performing signal processing to remove a distortion component from the frequency-domain signal, and converting a processed frequency-domain signal obtained through the signal processing to a time-domain signal.
    Type: Application
    Filed: June 15, 2016
    Publication date: June 22, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chang Soon PARK, Ui Kun KWON, Sang-joon KIM, Seungkeun YOON, Jaechun LEE, Changmok CHOI
  • METHOD AND APPARATUS OF CALCULATING BLOOD PRESSURE
    Publication number: 20170172431
    Abstract: Provided is a method and apparatus to measure pulse wave information of a user. The method and apparatus obtain a basic blood pressure of the user estimated based on body information of a user. The method and apparatus determine a blood pressure calibration value corresponding to measured pulse wave information of the user using a pre-trained estimator. The method and apparatus calculate a final blood pressure of the user by applying the blood pressure calibration value to the basic blood pressure.
    Type: Application
    Filed: August 30, 2016
    Publication date: June 22, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Younho KIM, Yongjoo KWON, Ui Kun KWON, Seungwoo NOH, Sangyun PARK
  • SIGNAL FILTERING AND SIGNAL PROCESSING APPARATUS AND METHOD
    Publication number: 20170170852
    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: November 11, 2016
    Publication date: June 15, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ui Kun KWON, Chang Soon PARK, Seungkeun YOON, Sang Joon KIM, Jaechun LEE, Changmok CHOI
  • GESTURE RECOGNITION METHOD, APPARATUS AND WEARABLE DEVICE
    Publication number: 20170147077
    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: Application
    Filed: June 20, 2016
    Publication date: May 25, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chang Soon PARK, Ui Kun KWON, Sang Joon KIM
  • SIGNAL FEATURE EXTRACTING METHOD AND APPARATUS
    Publication number: 20170132384
    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: Application
    Filed: May 24, 2016
    Publication date: May 11, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chang Soon PARK, Ui Kun KWON, Sang-joon KIM, Seungkeun YOON, Changmok CHOI
  • METHOD AND APPARATUS FOR EXTRACTING FEATURE OF BIOSIGNAL
    Publication number: 20170128022
    Abstract: Provided is a method and apparatus for extracting a feature of a biosignal, the method including determining an acceleration waveform from a waveform of the biosignal, extracting an incident acceleration waveform from the acceleration waveform, and extracting a feature of the biosignal based on a cross-correlation between the acceleration waveform and the incident acceleration waveform.
    Type: Application
    Filed: May 16, 2016
    Publication date: May 11, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seungkeun YOON, Ui Kun KWON, Sang-joon KIM, Chang Soon PARK, Jaechun LEE, Changmok CHOI
  • Biosignal interface apparatus and operation method of biosignal interface apparatus
    Patent number: 9639155
    Abstract: A biosignal interface apparatus includes a sensor configured to detect a target in contact with the sensor, a position identifier configured to identify a position of the sensor on the target, and a controller configured to control an operation mode of the sensor based on the identified position.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: May 2, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Mok Choi, Ui Kun Kwon, Sang Kon Bae, Chi Sung Bae
  • Wireless power transmission apparatus for high efficiency energy charging
    Patent number: 9641016
    Abstract: A wireless power transmission apparatus for high efficiency energy charging, includes a resonator configured to transmit power, and a power supply unit configured to supply power to the resonator. The apparatus further includes a first switching unit configured to connect the resonator to the power supply unit, and disconnect the resonator from the power supply unit, and a controller configured to control the first switching unit based on an amount of current flowing into the resonator.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: May 2, 2017
    Assignees: Samsung Electronics Co., Ltd., Industry-Academic Cooperation Foundation, Dankook University
    Inventors: Ui Kun Kwon, Sang Joon Kim, Seung Keun Yoon, Yeong Seok Ko, Shi Hong Park
  • Method and apparatus for stable signal demodulation in communication system
    Patent number: 9634804
    Abstract: A method and apparatus provide for stable signal demodulation in a communication system. The method and apparatus includes including detecting an erroneous demodulation value based on backward-demodulation of received signals, using a difference between a received signal to be demodulated and a preceding signal of the received signals and correcting the error demodulation value. Alternatively, backward-demodulation is used to confirm received signals.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: April 25, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ui Kun Kwon, Chang Soon Park, Chi Sung Bae, Joon Seong Kang, Sang Joon Kim, Seung Keun Yoon, Chang Mok Choi
  • Communication method of a transmission apparatus and a reception apparatus
    Patent number: 9635611
    Abstract: Provided is a communication method of a reception apparatus and a transmission apparatus that may decrease consumption of power by changing an operation state of a corresponding reception apparatus from an awake state to a sleep state when a stream to be transmitted is absent during all or a portion of a transmission opportunity (TXOP).
    Type: Grant
    Filed: January 22, 2015
    Date of Patent: April 25, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ui Kun Kwon, Young Soo Kim
  • Communication system using wireless power
    Patent number: 9627914
    Abstract: Provided is an apparatus and method for wirelessly transmitting power. According to one general aspect, a communication device using wireless power may include: a transmitter configured to transmit, to a target resonator, energy stored in a source resonator through mutual resonance; an energy compensator configured to compensate for energy expended in the source resonator; and a controller configured to control an electrical connection providing energy to the source resonator.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: April 18, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang Joon Kim, Ui Kun Kwon
  • Wireless power transmission apparatus and method
    Patent number: 9601948
    Abstract: A wireless power transmission apparatus includes a resonator configured to transmit power to another resonator, and a power supply unit configured to supply power to the resonator. The apparatus further includes a switching unit including a transistor configured to be turned on to connect the power supply unit to the resonator, and to be turned off to disconnect the power supply unit from the resonator, based on a control signal, and a diode connected in series to the transistor.
    Type: Grant
    Filed: October 29, 2013
    Date of Patent: March 21, 2017
    Assignees: Samsung Electronics Co., Ltd., Industry-Academic Cooperation Foundation, Dankook University
    Inventors: Ui Kun Kwon, Sang Joon Kim, Seung Keun Yoon, Young Seok Ko, Shi Hong Park
  • METHOD OF MEASURING TIME DIFFERENCE BETWEEN DETECTION TIMES, AND DEVICE FOR PERFORMING THE METHOD
    Publication number: 20170078036
    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: Application
    Filed: March 17, 2016
    Publication date: March 16, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jaechun LEE, Ui Kun KWON, Seungkeun YOON
  • BIOSIGNAL PROCESSING APPARATUS AND METHOD
    Publication number: 20170027525
    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: Application
    Filed: July 18, 2016
    Publication date: February 2, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Soon PARK, Ui Kun KWON, Sang Joon KIM, Changmok CHOI
  • COMMUNICATION SYSTEM USING WIRELESS POWER
    Publication number: 20170033838
    Abstract: Provided are a devices, systems and methods for performing communication using wireless power. According to one general aspect, a communication device using wireless power may include: a controller configured to control mutual resonance between a target resonator and a source resonator; a demodulator configured to demodulate information transmitted from the source resonator based on an amount of energy received from the source resonator; and a modulator configured to modulate information based on the mutual resonance.
    Type: Application
    Filed: October 17, 2016
    Publication date: February 2, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ui Kun KWON, Sang Joon KIM
  • Method of selecting air interface at ambient connectivity and hub using said method
    Patent number: 9524253
    Abstract: A method of selecting an interface by a hub, includes searching for a device of the hub, and measuring a distance from the hub to the device based on information of an available interface of the device that is received from the device. The method further includes setting an optimal interface to communicate with the device, based on the distance, and transmitting data to the device through the optimal interface.
    Type: Grant
    Filed: July 8, 2013
    Date of Patent: December 20, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang Joon Kim, Ui Kun Kwon, Seungkeun Yoon, Young Jun Hong
  • Communication method of a terminal and an access point for multi-user transmission opportunity (TXOP) power saving
    Patent number: 9516593
    Abstract: Provided is a terminal and an access point in an active mode for multi-user transmission opportunity (TXOP) power saving that may decrease power consumption by changing an operation state of the terminal from an awake state to a sleep state if there is no stream of data to be transmitted during a TXOP duration.
    Type: Grant
    Filed: December 31, 2015
    Date of Patent: December 6, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Soo Kim, Ui Kun Kwon