Patents by Inventor Chang-mok Choi

Chang-mok Choi 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: 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
  • 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
  • Patent number: 9555240
    Abstract: A system and method for skeletal muscle stimulation is provided for increasing muscle mass by stimulating a muscle in an optimal condition through a stimulus signal from an electrical stimulation device disposed at a stimulation position.
    Type: Grant
    Filed: October 21, 2013
    Date of Patent: January 31, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Mok Choi, Byung Hoon Ko, Kun Soo Shin
  • Patent number: 9547820
    Abstract: A method of classifying an input pattern and a pattern classification apparatus are provided. The method includes enabling an artificial neural network to learn based on learning input data received by an input layer of the artificial neural network, determining classification of an input pattern received by the input layer of the enabled artificial neural network according to an output value obtained from an output layer of the artificial neural network, the obtained output value being based on the input pattern, updating connection intensities of a plurality of connection lines of the enabled artificial neural network to output a result value indicating the determined classification from the output layer when the input pattern, and determining updated classification of the input pattern according to an updated output value obtained from an output layer of the updated artificial neural network, the obtained updated output value being based on the input pattern.
    Type: Grant
    Filed: September 25, 2012
    Date of Patent: January 17, 2017
    Assignees: Samsung Electronics Co., Ltd., INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Youn-ho Kim, Chang-mok Choi, Kun-soo Shin, Myoung-ho Lee, Jin-kwon Kim
  • Publication number: 20170007162
    Abstract: A method of calculating an amount of exercise performed includes measuring noise based on a relative difference in displacement between a skin of a user and a sensor attached to the skin of the user, and determining a number of steps taken by the user based on the measured noise.
    Type: Application
    Filed: September 2, 2016
    Publication date: January 12, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chang Mok CHOI, Byung Hoon KO, Tak Hyung LEE, Kun Soo SHIN
  • Patent number: 9529434
    Abstract: A presentation device and an method of operating the presentation device may quickly move to a desired area on a map by adjusting a level of an electromyographic (EMG) signal even though a range of a motion of an arm is limited when searching the map using a wearable mobile device. The presentation device includes a first sensor unit configured to contact a measurement target and to obtain an electromyographic (EMG) signal from the measurement target; and a display controller configured to control a field of view (FOV) window for displaying a map area based on the EMG signal.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: December 27, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Mok Choi, Sang Joon Kim, Sang Kon Bae, Seung Keun Yoon
  • Publication number: 20160331324
    Abstract: A wearable mobile device and a method of detecting a biosignal with a wearable mobile device are provided. A method of detecting a biosignal with a wearable mobile device involves determining whether a wearable mobile device is closely attached to a user; and providing a biosignal-based service in response to the wearable mobile device being determined to be closely attached to the user.
    Type: Application
    Filed: July 27, 2016
    Publication date: November 17, 2016
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chang Mok CHOI, Sang Joon KIM, Sang Il PARK, Se O LEE, Young Joong JUN
  • Publication number: 20160295368
    Abstract: A method and apparatus are configured to recognize mobile terminals positioned within a coverage area for short range communication with a user-specific device, wherein each mobile terminal comprises identification information for the user-specific device. The method and the apparatus provide a customized service corresponding to at least one of the mobile terminals.
    Type: Application
    Filed: June 22, 2016
    Publication date: October 6, 2016
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chang Mok CHOI, Sang Joon KIM, Su-Hyun NA, Yu Jin NA, Jong Kee LEE, Soon Kyu JANG, Young Ei CHO
  • Patent number: 9454674
    Abstract: Provided is a method and apparatus to detect and control flow of data shared in a terminal. A method to control data sharing may include accessing a program that shares a type of data with a terminal, displaying the accessed program on a screen organized by the type of data; and controlling the data to be shared with the accessed program in response to a control signal input on the screen.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: September 27, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min Young Mun, Sang Joon Kim, Chang Mok Choi
  • Patent number: 9445753
    Abstract: A method of calculating an amount of exercise performed includes measuring noise based on a relative difference in displacement between a skin of a user and a sensor attached to the skin of the user, and determining a number of steps taken by the user based on the measured noise.
    Type: Grant
    Filed: October 21, 2013
    Date of Patent: September 20, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Mok Choi, Byung Hoon Ko, Tak Hyung Lee, Kun Soo Shin
  • Patent number: 9427158
    Abstract: A wearable mobile device and a method of detecting a biosignal with a wearable mobile device are provided. A method of detecting a biosignal with a wearable mobile device involves determining whether a wearable mobile device is closely attached to a user; and providing a biosignal-based service in response to the wearable mobile device being determined to be closely attached to the user.
    Type: Grant
    Filed: June 13, 2014
    Date of Patent: August 30, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Mok Choi, Sang Joon Kim, Sang Il Park, Se O Lee, Young Joong Jun
  • Publication number: 20160202759
    Abstract: A wearable biosignal interface and operation method of the wearable biosignal interface is provided wherein the wearable biosignal interface may perceive a motion unintentionally performed by a user and ignore a biosignal obtained thereby and thus, improve accuracy of a bio-based determination of an intention of the user for operating a device.
    Type: Application
    Filed: May 8, 2014
    Publication date: July 14, 2016
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chang Mok CHOI, Sang Joon KIM, Seung Keun YOON
  • Patent number: 9386418
    Abstract: A method and apparatus are configured to recognize mobile terminals positioned within a coverage area for short range communication with a user-specific device, wherein each mobile terminal comprises identification information for the user-specific device. The method and the apparatus provide a customized service corresponding to at least one of the mobile terminals.
    Type: Grant
    Filed: September 10, 2014
    Date of Patent: July 5, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Mok Choi, Sang Joon Kim, Su-Hyun Na, Yu Jin Na, Jong Kee Lee, Soon Kyu Jang, Young Ei Cho
  • Patent number: 9351681
    Abstract: A one repetition maximum (1RM) estimating apparatus includes a potential signal receiving unit configured to receive a potential signal of a muscle from a sensor attached to a user, and a 1RM estimating unit configured to estimate a 1RM of the user based on the potential signal.
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: May 31, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Youn Ho Kim, Sang Kon Bae, Chang Mok Choi, Byung Hoon Ko, Kun Soo Shin
  • Publication number: 20160143079
    Abstract: A wearable device and a communication method using the wearable device may include recognizing a gesture of a user by sensing at least one of a motion and a biosignal that occur in or around a portion of the user to which the wearable device is attached. A wireless communication connection is established for the wearable device with at least one of an external device, an internal device, or another wearable device based on the recognized gesture. Wireless communication is performed with at least one of the external device and the internal device with which the wireless communication connection is established.
    Type: Application
    Filed: May 8, 2014
    Publication date: May 19, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Keun YOON, Sang Joon KIM, Chang Mok CHOI
  • Patent number: 9343924
    Abstract: A device and a method for an energy sharing network may include an energy store configured to store energy; an energy transmitter-receiver configured to transmit energy and energy related information to at least one neighbor device and to receive energy and energy related information from at least one neighbor device; and a controller configured to control the energy transmitter-receiver based on a predetermined condition.
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: May 17, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang Joon Kim, Min Young Mun, Chang Mok Choi
  • Publication number: 20160087760
    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: Application
    Filed: December 2, 2015
    Publication date: March 24, 2016
    Applicant: 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
  • Patent number: 9231735
    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: February 4, 2014
    Date of Patent: January 5, 2016
    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
  • Patent number: 9172415
    Abstract: Provided is a method and apparatus to adaptively set a threshold for signal demodulation. The apparatus and the method include adaptively setting a threshold to demodulate a currently received symbol based on the demodulation value of a previously received symbol based on a comparison value. The comparison value is obtained by comparing a number of previously received symbols having a demodulation value of “0” and a number of currently received symbols having a demodulation value of “1”.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: October 27, 2015
    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
  • Publication number: 20150288796
    Abstract: A wearable device and corresponding method include producing, at a wearable device, an incoming call processing option list in response to a rejection input from a user rejecting an incoming call from a mobile terminal. The wearable device and corresponding method further transmit, from the wearable device to the mobile terminal, a result value corresponding to a gesture of the user and in response to the incoming call processing option list.
    Type: Application
    Filed: October 27, 2014
    Publication date: October 8, 2015
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chang Mok CHOI, Sang Joon KIM, Su-Hyun NA, Yu-Jin NA, Jong Kee LEE, Soon Kyu JANG, Young Ei CHO