Patents by Inventor Byung-Kwon Choi

Byung-Kwon 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: 9833376
    Abstract: A walking assistance method may include: computing an amount of exercise of a user based on a biosignal of the user; adjusting a pattern of an assist parameter based on the amount of exercise; and/or generating a force corresponding to the amount of exercise, based on the adjusted pattern. A walking assistance apparatus may include: a pattern adjuster configured to compute an amount of exercise of a user based on a biosignal of the user; and/or a driver configured to generate a force corresponding to the amount of exercise based on a pattern of an assist parameter based on the amount of exercise.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: December 5, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byung-Kwon Choi, Tae Sin Ha, Kee Hong Seo, Chang Hyun Roh, Young Bo Shim, Joon-Kee Cho
  • Publication number: 20170112415
    Abstract: A signal processing method including receiving a signal, compressing the signal through a sampling of the signal, and generating transmission data of the signal by matching at least one feature indicating characteristics of the signal.
    Type: Application
    Filed: April 7, 2016
    Publication date: April 27, 2017
    Inventor: Byung-Kwon CHOI
  • Publication number: 20170087042
    Abstract: An apparatus and method for adjusting a clamping force of a fixing portion of a walking assistance apparatus is disclosed. The apparatus and method may measure pressures at two points positioned between a fixing portion and a body of a user, calculate a clamping force of the fixing portion based on the pressures, and control the fixing portion to output the clamping force of the fixing portion.
    Type: Application
    Filed: June 2, 2016
    Publication date: March 30, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Joon-Kee CHO, Taesin HA, Youngbo SHIM, Byung-Kwon CHOI
  • Publication number: 20170035584
    Abstract: A battery pack including a case, a battery included in the case and relatively movable with respect to the case, a generator attached to the battery and including a generation axis, and a rotation member connected to the generation axis, wherein the rotation member is configured to act a torque enabling the generation axis to be rotatable when the battery is moved is disclosed.
    Type: Application
    Filed: January 19, 2016
    Publication date: February 9, 2017
    Inventors: Taesin Ha, ChangHyun Roh, Youngbo Shim, Joon-Kee Cho, Byung-Kwon Choi
  • Publication number: 20170027801
    Abstract: A walking assistance method may include: computing an amount of exercise of a user based on a biosignal of the user; adjusting a pattern of an assist parameter based on the amount of exercise; and/or generating a force corresponding to the amount of exercise, based on the adjusted pattern. A walking assistance apparatus may include: a pattern adjuster configured to compute an amount of exercise of a user based on a biosignal of the user; and/or a driver configured to generate a force corresponding to the amount of exercise based on a pattern of an assist parameter based on the amount of exercise.
    Type: Application
    Filed: November 30, 2015
    Publication date: February 2, 2017
    Inventors: BYUNG-KWON CHOI, Tae Sin HA, Kee Hong SEO, Chang Hyun ROH, Young Bo SHIM, Joon-Kee CHO
  • Patent number: 9518100
    Abstract: Methods are disclosed for increasing the yield and N-glycosylation site occupancy of paucimannose or complex N-glycans of recombinant glycoproteins produced in a recombinant host cell lacking dolichyl-P-Man:Man5GlcNAc2-PP-dolichyl alpha-1,3 mannosyltransferase (Alg3p) activity. In particular, the present invention provides recombinant host cells for producing recombinant glycoproteins that comprise a disruption of the expression of an OS-9 family gene in the host cell and which overexpress one or more Trypanosoma brucei STT3 proteins.
    Type: Grant
    Filed: February 7, 2014
    Date of Patent: December 13, 2016
    Assignee: Merck Sharp & Dohme Corp.
    Inventor: Byung-Kwon Choi
  • Patent number: 9439733
    Abstract: A surgical robot system includes a slave device provided with a surgical instrument and a master device to control motion of the surgical instrument. The master device includes a master manipulation module having a manipulation tool, to which a pose recognizer is attached, and a master control module that estimates a pose of the manipulation tool using pose information acquired via the pose recognizer, generates a surgical instrument pose control signal corresponding to the estimated pose of the manipulation tool, and transmits the control signal to the slave device.
    Type: Grant
    Filed: September 18, 2013
    Date of Patent: September 13, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae Sin Ha, Won Jun Ko, Young Do Kwon, Gyung Rock Kim, Byung Kwon Choi
  • Patent number: 9428784
    Abstract: Methods for increasing the yield and N-glycosylation site occupancy of paucimannose or complex N-glycans of recombinant glycoproteins produced in a recombinant host cell lacking dolichyl-P-Man:Man5GlcNAc2-PP-dolichyl alpha-1,3 mannosyltransferase (Alg3p) activity are disclosed. In particular, recombinant host cells are provided that comprise a disruption of the expression of an OS-9 family gene in the host cell. These recombinant host cells may then be used for producing recombinant glycoproteins. In further embodiments, the recombinant host cells further overexpress at least one heterologous single-subunit oligosaccharyltransferase, which in particular embodiments is capable of functionally suppressing the lethal phenotype of a mutation of at least one essential protein of the yeast oligosaccharyltransferase (OTase) complex.
    Type: Grant
    Filed: October 23, 2012
    Date of Patent: August 30, 2016
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Byung-Kwon Choi, Stephen R. Hamilton, Natarajan Sethuraman
  • Publication number: 20160239748
    Abstract: A multi-pattern matching algorithm may be provided that includes: a moving step of moving a moving window from the start of a string one byte by one byte; a DF1 checking step of converting the string on a current position of the moving window into an integer value, and of checking whether or not a bit of a related position in a first direct filter DF1 for patterns having lengths larger than 2 bytes is set to 1; a DF moving step of checking one or more direct filters DF when the bit is set to 1 according to the DF1 checking step; a re-moving step of moving the moving window by one byte again when the bit of a related position in the direct filter DF, which has been checked lastly, is 0; and a terminating step of checking whether the moving window is located at the end of the string or not, and of terminating the algorithm when the moving window is positioned at the end of the string.
    Type: Application
    Filed: January 28, 2016
    Publication date: August 18, 2016
    Applicant: Korea Advanced Institute of Science And Technology
    Inventors: Dong-Su HAN, Byung-Kwon CHOI, Jae-Hyun NAM, Muhammad JAMSHED, Kyoung-Soo PARK, Jong-Wook CHAE
  • Publication number: 20160149694
    Abstract: A method and apparatus for processing a signal, wherein the apparatus identifies a sample interval satisfying a predetermined reference using a change in a plurality of samples based on a downsampling, acquires, based a result of the identifying, a feature point of a signal before the downsampling is applied to the signal, and acquires time information corresponding to a position of the feature point in a feature sample interval including the feature point is provided.
    Type: Application
    Filed: April 27, 2015
    Publication date: May 26, 2016
    Inventors: Byung-Kwon CHOI, Keehong SEO, Youngbo SHIM, Taesin HA
  • Patent number: 9298254
    Abstract: A movable display apparatus, a robot having the movable display apparatus, and a display method thereof, and, more particularly, a display method of a robot having an apparatus to display an image according to a visual point of a user are provided. It is possible to provide a convenient extended image service, by movably mounting the apparatus to display the image according to the visual point of the user and mounting the movable display apparatus in the robot so as to accurately display the image according to the visual point of the user using the mobility and motion of the robot. In addition, it is possible to provide an image, which is viewed like a three-dimensional image, via a two-dimensional display apparatus, by changing the displayed image according to a variation in the sightline of the user.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: March 29, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Sin Ha, Woo Sup Han, Byung Kwon Choi
  • Publication number: 20160058646
    Abstract: An torque pattern adjustment apparatus including a display configured to display a first torque pattern corresponding to a gait cycle, and a generator configured to generate a second torque pattern by adjusting at least a portion of the first torque pattern in response to a reception of an input, and a torque pattern adjustment method using the same may be provided. The first torque pattern may be applied to a joint of a user.
    Type: Application
    Filed: January 30, 2015
    Publication date: March 3, 2016
    Inventors: Keehong SEO, Byung-Kwon CHOI, Bokman LIM
  • Publication number: 20160036250
    Abstract: A battery pack for providing different power sources may include: a low voltage battery configured to supply a first voltage; a high voltage battery configured to supply a second voltage, the second voltage being higher than the first voltage; a charging circuit configured to charge the low voltage battery using the high voltage battery; and/or a controller configured to control the charging circuit to charge the low voltage battery when a charge state of the low voltage battery is less than a desired charge state.
    Type: Application
    Filed: June 18, 2015
    Publication date: February 4, 2016
    Inventors: Joon-Kee CHO, ChangHyun ROH, Youngbo SHIM, Byung-Kwon CHOI, Taesin HA
  • Publication number: 20160022440
    Abstract: A motion assistance apparatus may include a first fixing member to be fixed to a portion of a user, a second fixing member to be fixed to another portion of the user, a driving source provided in the first fixing member, a power transmitting member connected between the driving source and the second fixing member, a sensing portion configured to sense a fixing state of the first fixing member or the second fixing member, and a controller configured to control the driving source based on information received from the sensing portion.
    Type: Application
    Filed: January 23, 2015
    Publication date: January 28, 2016
    Inventors: Taesin HA, ChangHyun ROH, Youngbo SHIM, Joon-Kee CHO, Byung-Kwon CHOI
  • Publication number: 20160021223
    Abstract: Provided is a server for performing a low power communication and an operation method of the server that may generate a packet including collected data based on a maximum number of data items transmitted based on a maximum transmission unit (MTU) established between a client and the server and an allowable delay time of at least one service, and may transmit the generated packet to the client.
    Type: Application
    Filed: November 14, 2014
    Publication date: January 21, 2016
    Inventors: Byung-Kwon CHOI, Chang Hyun ROH, Youngbo SHIM, Joon-Kee CHO, Taesin HA
  • Publication number: 20150376249
    Abstract: Methods are disclosed for increasing the yield and N-glycosylation site occupancy of paucimannose or complex N-glycans of recombinant glycoproteins produced in a recombinant host cell lacking dolichyl-P-Man:Man5GlcNAc2-PP-dolichyl alpha-1,3 mannosyltransferase (Alg3p) activity. In particular, the present invention provides recombinant host cells for producing recombinant glycoproteins that comprise a disruption of the expression of an OS-9 family gene in the host cell and which overexpress one or more Trypanosoma brucei STT3 proteins.
    Type: Application
    Filed: February 7, 2014
    Publication date: December 31, 2015
    Inventor: Byung-Kwon Choi
  • Publication number: 20150337274
    Abstract: The presented invention relates to the gene knockouts of the Pichia pastoris PMT2 gene in the och1-glycoengineered strain backgrounds to obtain recombinant proteins reduced amounts of O-linked glycosylation. Triple mutant, pmt2, pmt5, och1 strains are also part of the present invention. Method for making such strains and for producing heterologous polypeptides in such strains are also included in the present invention.
    Type: Application
    Filed: December 13, 2013
    Publication date: November 26, 2015
    Inventors: Ming-Tang Chen, Byung-Kwon Choi, Robert Davidson
  • Patent number: 9192447
    Abstract: A surgical robot system capable of storing all data transmitted and received in the surgical robot system and a method of controlling the same includes a slave device performing surgery on a patient, a master device controlling a surgical operation of the slave device, an imaging device transmitting a medical image regarding the patient to the slave device and the master device, and a monitoring device comprising a storage module receiving all data transmitted and received among the slave device, the master device, and the imaging device, serializing the received data on a per transmission-time-information basis to generate serial packets, and storing the generated serial packets, and a reproduction module dividing the stored serial packets into a plurality of unit packets and transmitting the unit packets to a device for display.
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: November 24, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byung Kwon Choi, Kyung Shik Roh, Tae Sin Ha
  • Patent number: 9058804
    Abstract: A speech signal transmission apparatus includes an extractor to extract speech signals from speech source signals collected by a plurality of microphones, a power calculator to calculate powers of speech signals of multiple channels and set any one of the speech signals of the multiple channels as a reference speech signal, a synchronization adjustor to adjust synchronization of the other speech signals based on the reference speech signal, a signal generator to generate extraction signals by offsetting the reference speech signal from the other synchronization-adjusted speech signals, an encryptor to compress and encrypt the reference speech signal and the extraction signals, and a transmitter to transmit the compressed and encrypted reference speech signal and extraction signals.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: June 16, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byung Kwon Choi, Young Do Kwon, Dong Soo Kim, Kyung Shik Roh
  • Publication number: 20150157525
    Abstract: Disclosed herein is a method of converting and reconstructing a signal, including: at a data generator, acquiring signal-analyzed data from an original signal, wherein the signal-analyzed data includes at least one feature point acquired from the original signal; transmitting and receiving the signal-analyzed data and at least one reference data corresponding to the signal-analyzed data; and reconstructing the original signal based on the signal-analyzed data and the at least one reference data to acquire a reconstructed signal.
    Type: Application
    Filed: September 29, 2014
    Publication date: June 11, 2015
    Inventors: Byung Kwon CHOI, Kee Hong SEO, Young Do KWON, Tae Sin HA