Patents by Inventor In KWON

In 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).

  • Devices and methods for noninvasive physiological analysis
    Patent number: 10321827
    Abstract: Provided are a physiological signal analysis device and method to detect and analyze physiological information of a subject. The physiological signal analysis device includes a memory device configure to store a wrinkle pattern at a measurement position of a subject as a reference position; a sensor configured to sense the reference position and a physiological signal of the subject at the reference position in response to the stored reference position being within a range of the sensor; and a signal processor configured to process the physiological signal sensed the sensor.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: June 18, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yongjoo Kwon, Jaemin Kang, Sunkwon Kim, Younho Kim, Sangyun Park, Seongho Cho
  • Low density parity check encoder having length of 64800 and code rate of 4/15, and low density parity check encoding method using the same
    Patent number: 10326472
    Abstract: A low density parity check (LDPC) encoder, an LDPC decoder, and an LDPC encoding method are disclosed. The LDPC encoder includes first memory, second memory, and a processor. The first memory stores an LDPC codeword having a length of 64800 and a code rate of 4/15. The second memory is initialized to 0. The processor generates the LDPC codeword corresponding to information bits by performing accumulation with respect to the second memory using a sequence corresponding to a parity check matrix (PCM).
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: June 18, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sung-Ik Park, Heung-Mook Kim, Sun-Hyoung Kwon, Nam-Ho Hur
  • Bit interleaver for low-density parity check codeword having length of 64800 and code rate of 4/15 and quadrature phase shift keying, and bit interleaving method using same
    Patent number: 10326476
    Abstract: A bit interleaver, a bit-interleaved coded modulation (BICM) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory. The first memory stores a low-density parity check (LDPC) codeword having a length of 64800 and a code rate of 4/15. The processor generates an interleaved codeword by interleaving the LDPC codeword on a bit group basis. The size of the bit group corresponds to a parallel factor of the LDPC codeword. The second memory provides the interleaved codeword to a modulator for quadrature phase shift keying (QPSK) modulation.
    Type: Grant
    Filed: January 9, 2017
    Date of Patent: June 18, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sung-Ik Park, Sun-Hyoung Kwon, Jae-Young Lee, Heung-Mook Kim, Nam-Ho Hur
  • Power converter, display device including power converter, and method of operating power converter
    Patent number: 10325548
    Abstract: A power converter may include the following elements: an input terminal for receiving an input voltage; an output terminal for providing an output voltage; a reference member for receiving a reference voltage; a first transistor electrically connected between the reference member and the input terminal; a second transistor electrically connected between the input terminal and the output terminal; a diode electrically connected in parallel with the second transistor; and a controller for selecting a first mode if the input voltage is greater than a first reference voltage level and for selecting a second mode if the input voltage has been less than a second reference voltage level for a reference time period. The first transistor and the diode may generate the output voltage in the first mode. The first transistor and the second transistor may generate the output voltage in the second mode.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: June 18, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soon-Gi Kwon, Sung-Chun Park
  • METHOD AND DEVICE FOR PREDICTING CHANNEL PARAMETER OF AUDIO SIGNAL
    Publication number: 20190180763
    Abstract: A method of predicting a channel parameter of an original signal from a downmix signal is disclosed. The method may include generating an input feature map to be used to predict a channel parameter of the original signal based on a downmix signal of an original signal, determining an output feature map including a predicted parameter to be used to predict the channel parameter by applying the input feature map to a neural network, generating a label map including information associated with the channel parameter of the original signal, and predicting the channel parameter of the original signal by comparing the output feature map and the label map.
    Type: Application
    Filed: November 5, 2018
    Publication date: June 13, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Seung Kwon BEACK, Woo-taek LIM, Jongmo SUNG, Mi Suk LEE, Tae Jin LEE, Hui Yong KIM
  • CONTINUOUS VARIABLE VALVE DURATION APPARATUS AND ENGINE PROVIDED WITH THE SAME
    Publication number: 20190178115
    Abstract: A continuous variable valve duration apparatus is provided. The apparatus includes a camshaft and a cam unit on which a cam is formed. The camshaft is inserted into the cam unit. An inner wheel transmits rotation of the camshaft to the cam unit. The inner wheel is rotatably inserted in a wheel housing a housing hinge aperture parallel to the camshaft is formed on the wheel housing. A slider hinge aperture and a slider control aperture parallel to the camshaft are formed through a slider. A hinge shaft is inserted into the housing hinge aperture and the slider hinge aperture. An eccentric cam is formed on a control shaft and is inserted into the slider control aperture. A controller selectively rotates the control shaft to move the wheel housing perpendicular to the camshaft via the slider.
    Type: Application
    Filed: October 26, 2018
    Publication date: June 13, 2019
    Inventors: You Sang Son, Ingee Suh, Kiyoung Kwon, In Sang Ryu, Kyoung Pyo Ha, Dongheon Park, Wootae Kim, Back Sik Kim, Seung Jae Lee
  • APPARATUS AND METHOD FOR EXTRACTING SOUND SOURCE FROM MULTI-CHANNEL AUDIO SIGNAL
    Publication number: 20190180142
    Abstract: Disclosed is an apparatus and method for extracting a sound source from a multi-channel audio signal. A sound source extracting method includes transforming a multi-channel audio signal into two-dimensional (2D) data, extracting a plurality of feature maps by inputting the 2D data into a convolutional neural network (CNN) including at least one layer, and extracting a sound source from the multi-channel audio signal using the feature maps.
    Type: Application
    Filed: November 29, 2018
    Publication date: June 13, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Woo-taek LIM, Seung Kwon BEACK
  • DISPLAY DEVICE
    Publication number: 20190180663
    Abstract: A display device includes a peripheral area around a display area, a plurality of pixels in the display area, and a plurality of signal lines connected to the pixels. The signal lines include a plurality of data lines connected to the pixels, a crack detection line connected to first data lines among the data lines through a first transistor, and a control line connected to a gate of the first transistor. The crack detection line is in the peripheral area.
    Type: Application
    Filed: February 19, 2019
    Publication date: June 13, 2019
    Inventors: Seung-Kyu LEE, Tae Hoon KWON, Ji-Hyun KA, Won Kyu KWAK, Dong Soo KIM, Han-Sung BAE, Hey Jin SHIN, Seung Ji CHA
  • METHOD OF TRANSMITTING AND RECEIVING FRAME FOR UPLINK MULTI-USER MULTIPLE-INPUT AND MULTIPLE-OUTPUT (UL MU-MIMO) COMMUNICATION
    Publication number: 20190181927
    Abstract: Provided is a method of transmitting and receiving a frame for a multi-user multiple-input and multiple-output (MU-MIMO) communication in an access point (AP), the method including determining at least one transmission station (STA), transmitting, to the transmission STA, an uplink multi-user poll (UL MU poll) frame requesting a data frame, receiving the data frame from the at least one transmission STA simultaneously, and transmitting an acknowledgement (ACK) frame to the at least one transmission STA in response to the receiving
    Type: Application
    Filed: February 15, 2019
    Publication date: June 13, 2019
    Inventors: Jee Yon CHOI, Hyoung Jin KWON, Je Hun LEE, Sok Kyu LEE
  • DAMPER PULLEY FOR CRANKSHAFT AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20190178331
    Abstract: A damper pulley for a crankshaft includes a hub mounted on one end of the crankshaft, a rim connected to the hub, an oil seal mounted on an outer surface of the hub, and a wear-resistant insert member integrally mounted on the hub and making contact with the oil seal.
    Type: Application
    Filed: April 23, 2018
    Publication date: June 13, 2019
    Inventors: Mun Gu Kang, Hee Sam Kang, Hyo Moon Joo, Young Chan Kim, Min Soo Kim, Jae Kwon Lee
  • MEMORY SYSTEM FOR ADJUSTING CLOCK FREQUENCY
    Publication number: 20190180797
    Abstract: A memory system includes a logic circuit and a phase locked loop (PLL) circuit. The logic circuit determines a first frequency of a first clock using a first signal and generates a second signal for adjusting the first frequency of the first clock. The PLL circuit receives a second clock, and generates the first clock having the first frequency determined by the logic circuit, using the second clock and the second signal. When a second frequency of the second clock varies, the logic circuit determines the first frequency of the first clock such that the first frequency of the first clock generated by the PLL circuit is uniform, and operates based on the first clock having the first frequency adjusted by the second signal.
    Type: Application
    Filed: August 3, 2018
    Publication date: June 13, 2019
    Inventors: YOUNG-JU KIM, DONG-SEOK KANG, HYE JUNG KWON, BYUNGCHUL KIM, SEUNGJUN BAE
  • STATIC ANALYSIS PERFORMING METHOD BASED ON VOICE INFORMATION AND DEVICE FOR THE SAME
    Publication number: 20190180748
    Abstract: A static analysis performing method based on voice information may be provided that includes: receiving voice information from a user; determining user's intention to perform static analysis on the basis of the voice information; acquiring history information on static analysis performed in the past in accordance with the user's intention; determining a static analysis target on the basis of the history information; and performing the static analysis on the static analysis target.
    Type: Application
    Filed: December 12, 2018
    Publication date: June 13, 2019
    Inventors: Hyun Seop BAE, June KIM, Seung-uk OH, Min Hyuk KWON
  • METHOD FOR INDUCING TRANSDIFFERENTIATION OF FIBROBLASTS INTO CHONDROCYTES
    Publication number: 20190175659
    Abstract: The present invention relates to a method for transdifferentiating cells. The present invention provides a method for transdifferentiating fibroblasts into chondrocytes, comprising: forming a micromass of fibroblasts by culturing fibroblasts in a high density; and applying an electrical stimulation such as a current or magnetic field to the micromass of fibroblasts while culturing the micromass of fibroblasts in a culture medium not containing growth factors.
    Type: Application
    Filed: January 2, 2017
    Publication date: June 13, 2019
    Inventor: Hyuck Joon KWON
  • DISPLAY DEVICE
    Publication number: 20190181211
    Abstract: A display device, includes: a display area including an upper side, a lower side, a left side, a right side, and inclined corner portions where the upper, lower, left, and right sides meet; a demultiplexing circuit unit adjacent to the lower side of the display area and the corner portion connected thereto; and a scan transmission line which extends toward the display area from an outer side of the left side and overlaps with the demultiplexing circuit unit outside the corner portion, wherein the demultiplexing circuit unit includes a demultiplexer transistor, and the scan transmission line is formed of a different conductive layer from an electrode of a demultiplexer transistor.
    Type: Application
    Filed: October 30, 2018
    Publication date: June 13, 2019
    Inventors: Han Sung BAE, Se Ho KIM, Sun Ja KWON, Dong Wook KIM, Jun Yong AN, Sang Moo CHOI, Jun Won CHOI
  • APPARATUS AND METHOD FOR CONTROLLING IN-DEVICE COEXISTENCE INTERFERENCE IN WIRELESS COMMUNICATION SYSTEM
    Publication number: 20190182888
    Abstract: Method and apparatus for controlling in-device coexistence (IDC) interference in a wireless communication system are described in the present invention. The present invention includes transmitting UE capability information whether the UE has a capability to measure IDC, to a base station (BS); receiving measurement configuration information whether the UE is allowed to send IDC indication, from the BS; and transmitting the IDC indication and at least one of measurements which are a measurement in consideration of IDC and a measurement without consideration of IDC to the BS. It is possible to control reducing occurrence of in-device coexistence interference.
    Type: Application
    Filed: February 13, 2019
    Publication date: June 13, 2019
    Inventors: Jae Hyun AHN, Ki Bum KWON, Myung Cheul JUNG
  • REDUCING NUISANCE NOTIFICATIONS FROM A BUILDING AUTOMATION SYSTEM
    Publication number: 20190179273
    Abstract: Reducing nuisance notifications from building automation systems is described herein. One device includes a memory, and a processor configured to execute executable instructions stored in the memory to receive a notification of an alarm from a building automation system, compare attributes of the alarm to attributes of alarms included in a database of suppressed alarms, refrain from transmitting a notification of the alarm to a mobile device in response to the attributes of the alarm matching attributes of any of the alarms in the database, and transmit a notification of the alarm to a mobile device in response to the attributes of the alarm not matching the attributes of any of the alarms in the database.
    Type: Application
    Filed: February 15, 2019
    Publication date: June 13, 2019
    Inventors: Gary Fuller, Dae-Soon Kwon, Yi-Chang Hsieh, Andie Kumiawan, Martin Lee, Paul Vanderstraeten
  • METHOD AND APPARATUS FOR PROVIDING BOOK RECOMMENDATION SERVICE
    Publication number: 20190179838
    Abstract: Provided are an apparatus and a method for providing a book recommendation service which receives information about a reader and possessing books from a user to recommend books suitable for the reader based on a keyword extracted from a recommended book by education area for the reader and a keyword obtained from the possessing books. According to the present invention, unlike a conventional method of recommending only books corresponding to an interest field of the user based on purchasing books of the user, keywords are extracted based on recommended books by education area according to an education course and then subdivided into a plurality of groups by age group or grade group based on personal information and possessing book information collected from a plurality of individuals and attributes of each group are set based on the personal information.
    Type: Application
    Filed: June 5, 2017
    Publication date: June 13, 2019
    Applicant: MIRAEN CO., LTD.
    Inventors: Hyeog-Chun KWON, Young-Hun JUNG, Jiwon HONG, Junghoon PARK, Dughyun LEE
  • APPARATUS FOR DISPLAYING ENVIRONMENT-FRIENDLY VEHICLE INFORMATION WHEN POWER IS SUPPLIED EXTERNALLY, SYSTEM INCLUDING THE SAME, AND METHOD THEREOF
    Publication number: 20190176640
    Abstract: An apparatus for displaying environment-friendly vehicle information when power is supplied externally is provided. The apparatus includes an energy source residual amount measuring device that is configured to measure a current energy source residual amount and a per-time energy source consumption and a path generating device that is configured to set a path to a destination. A vehicle controller is configured to calculate a total power usable time period based on the energy source residual amount when a vehicle supplies electric power to the outside. The vehicle controller supplies electric power to the outside when the vehicle travels along the path and adjusts the supply based on the total power usable time period and the power supply allowable time period.
    Type: Application
    Filed: May 1, 2018
    Publication date: June 13, 2019
    Inventors: Jin Hyung Lee, Deok Hwan Seo, Jong Chan Jun, Kwon Hyoung Choi
  • Media Channel Identification with Video Multi-Match Detection and Disambiguation Based on Audio Fingerprint
    Publication number: 20190182541
    Abstract: Disclosed are methods and systems to help disambiguate channel identification in a scenario where a video fingerprint of media content matches multiple reference video fingerprints corresponding respectively with multiple different channels. Given such a multi-match situation, an entity could disambiguate based on an audio component of the media content, such as by further determining that an audio fingerprint of the media content at issue matches an audio fingerprint of just one of the multiple channels, thereby establishing that that is the channel on which the media content being rendered by the media presentation device is arriving.
    Type: Application
    Filed: February 13, 2019
    Publication date: June 13, 2019
    Inventors: Chung Won Seo, Youngmoo Kwon, Jaehyung Lee
  • MAGNESIUM ALLOY MATERIAL AND MANUFACTURING METHOD THEREFOR
    Publication number: 20190177819
    Abstract: Provided is a magnesium alloy material and a method for manufacturing the same. The magnesium alloy material includes: 0.8 to 1.8 wt % of Mn, 0.2 wt % or less (excluding 0 wt %) of Ca and the balance of Mg and inevitable impurities, for a total of 100 wt %. The magnesium alloy material has a recrystallized structure of 99 vol % or more for 100 vol % of the total microstructure of the magnesium alloy material.
    Type: Application
    Filed: June 15, 2017
    Publication date: June 13, 2019
    Inventors: Sang Hyun KIM, Jae Joong KIM, Oh Duck KWON