Patents by Inventor Chan Choi

Chan 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).

  • Publication number: 20160202309
    Abstract: An apparatus and method for detecting a cable fault which simultaneously apply a plurality of measurement frequencies mutually orthogonal to a cable and estimate reflection coefficients at the measurement frequencies using filters for filtering only the respective measurement frequencies to reduce a time taken to detect a cable fault.
    Type: Application
    Filed: February 10, 2015
    Publication date: July 14, 2016
    Inventors: Jin Soup Joung, Sung Chan Choi, Yong Hoon Lim, Kyoung Hwan Ju, Hyo Bin Yim
  • Publication number: 20160183923
    Abstract: Provided are an ultrasound imaging apparatus and a method of processing an ultrasound image. The ultrasound imaging apparatus includes a display configured to display a moving image consisting of a plurality of ultrasound images that are played back according to a time order together with at least one icon, corresponding to at least one piece of change information for changing a display of at least one of the plurality of ultrasound images, in association with the time order.
    Type: Application
    Filed: November 23, 2015
    Publication date: June 30, 2016
    Applicant: SAMSUNG MEDISON CO., LTD.
    Inventors: Tae-jin PARK, Dae-woong KANG, Yea-chan CHOI
  • Publication number: 20160183114
    Abstract: An apparatus for efficiently and simply measuring an error vector magnitude (EVM) of a physical hybrid automatic repeat request (ARQ) indicator channel (PHICH) in a long term evolution (LTE) system. The apparatus includes an overall PHICH group data extraction unit configured to extract all PHICH group data from a received signal in a first subframe, an overall PHICH group analysis unit configured to detect orthogonal sequences and acknowledgement/negative acknowledgement (ACK/NACK) bits used in respective PHICH groups by analyzing all resources of the extracted PHICH group data, an ideal PHICH group sequence generation unit configured to generate an ideal PHICH group sequence using the detected ACK/NACK bits and orthogonal sequences, and an EVM measurement unit configured to measure an EVM of a PHICH using the ideal PHICH group sequence and the received signal.
    Type: Application
    Filed: January 30, 2015
    Publication date: June 23, 2016
    Inventors: Jin Soup Joung, Sung Chan Choi, Yong Hoon Lim, Byung Kwan Jang
  • Publication number: 20160170955
    Abstract: A method, a device and a non-transitory computer-readable recording medium for processing a web application in an electronic device is provided. The method includes loading a template of the web application, receiving an input of content corresponding to the loaded template, and combining the input of content with the loaded template to create the web application. The device includes a memory configured to store a template of a web application, and a processor configured to load the template of the web application, receive an input of content corresponding to the template, and combine the input content with the loaded template to create the web application.
    Type: Application
    Filed: December 8, 2015
    Publication date: June 16, 2016
    Inventors: Yoon-Chan CHOI, Joo-Hyun KIM
  • Publication number: 20160141015
    Abstract: A memory device may include a power-up control circuit and a first set of boost voltage generators. The power-up control circuit may be configured to consecutively activate a first set of power-up signals with a first delay time between each power-up signal of the first set of power-up signals in response to a rise of a power supply voltage and a reset signal having a first logic level at an initial stage of power-up. The first set of boost voltage generators may be configured to generate an internal boost voltage based on an external boost voltage and the first set of power-up signals. The first set of boost voltage generators may be configured to activate before the reset signal transitions from the first logic level to a second logic level opposite to the first logic level.
    Type: Application
    Filed: August 27, 2015
    Publication date: May 19, 2016
    Inventors: Seung-Hun LEE, Hyung-Chan CHOI, Won-Jae SHIN
  • Publication number: 20160094485
    Abstract: An open M2M system and a method are provided. A method for managing resources according to an exemplary embodiment of the present invention includes: registering resources existing in a first domain at a second domain; and discovering metadata of a desired resource in the second domain. Accordingly, information management and sharing can be optimized, and registration and discovery of resources can be supported to be performed on a global scale.
    Type: Application
    Filed: May 9, 2014
    Publication date: March 31, 2016
    Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Sung Chan CHOI, Jae Ho KIM, Kwang Ho WON, Sang Shin LEE, Il Yeup AHN, Min Hwan SONG, Jae Seok YUN
  • Patent number: 9268813
    Abstract: In a network system based on a content name, a terminal device may generate and transmit a block query requesting a plurality of segments, and may receive segments corresponding to the block query based on a transmission direction of the block query.
    Type: Grant
    Filed: June 7, 2013
    Date of Patent: February 23, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae Hoon Kim, Ji Hoon Lee, Joong Hong Park, Myeong Wuk Jang, Sung Chan Choi, Dojun Byun
  • Patent number: 9264342
    Abstract: In a network system based on a content name, a terminal device may generate and transmit a block query requesting a plurality of segments, and may receive segments corresponding to the block query based on a transmission direction of the block query.
    Type: Grant
    Filed: November 15, 2010
    Date of Patent: February 16, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji Hoon Lee, Myeong Wuk Jang, Jae Hoon Kim, Joong Hong Park, Sung Chan Choi
  • Publication number: 20160030890
    Abstract: The present disclosure relates to a technique for inhibiting biofouling of the surface of a membrane caused by a biofilm, through immobilizing biofilm formation-inhibiting microorganisms to a container in a membrane water treatment process. The present disclosure provides a non-hollow/hollow columnar or sheet-like permeable carrier with flowability owing to submerged aeration and a container with biofilm formation-inhibiting microorganisms immobilized therein, comprising biofilm formation-inhibiting microorganisms immobilized in the carrier. The present disclosure also provides a membrane water treatment apparatus comprising a reactor accommodating water to be treated, a membrane module for water treatment and a container with biofilm formation-inhibiting microorganisms immobilized therein placed in the reactor.
    Type: Application
    Filed: October 14, 2015
    Publication date: February 4, 2016
    Inventors: Chung-Hak Lee, Seon-Ki Lee, Kibaek Lee, Sang Hyun Lee, Dong-Chan Choi
  • Publication number: 20150357051
    Abstract: A semiconductor memory device includes: a memory cell array region having a plurality of normal cell lines and a plurality of repair cell lines; a plurality of normal cell line selection units suitable for selecting the plurality of normal cell lines, respectively, in response to a local address; a plurality of repair cell line selection units suitable for selecting the plurality of repair cell lines, respectively, in place of normal cell line selection units corresponding to fail information of the local address; a fuse driving unit comprising a fuse array in which the fail information is programmed, suitable for disabling the normal cell line selection units corresponding to the fail information, and enabling normal cell line selection units unrelated to the fail information; and an address determination unit suitable for controlling the plurality of repair cell line selection units based on the fail information.
    Type: Application
    Filed: August 19, 2015
    Publication date: December 10, 2015
    Inventors: Doo-Chan LEE, Byeong-Chan CHOI, One-Gyun NA
  • Publication number: 20150357052
    Abstract: A semiconductor memory device includes: a memory cell array region having a plurality of normal cell lines and a plurality of repair cell lines; a plurality of normal cell line selection units suitable for selecting the plurality of normal cell lines, respectively, in response to a local address; a plurality of repair cell line selection units suitable for selecting the plurality of repair cell lines, respectively, in place of normal cell line selection units corresponding to fail information of the local address; a fuse driving unit comprising a fuse array in which the fail information is programmed, suitable for disabling the normal cell line selection units corresponding to the fail information, and enabling normal cell line selection units unrelated to the fail information; and an address determination unit suitable for controlling the plurality of repair cell line selection units based on the fail information.
    Type: Application
    Filed: August 19, 2015
    Publication date: December 10, 2015
    Inventors: Doo-Chan LEE, Byeong-Chan CHOI, One-Gyun NA
  • Patent number: 9202532
    Abstract: A decoder circuit, responsive to a burst sequence control signal, for accessing a memory location in a memory array. The decoder circuit receives an address signal and outputs a plurality of first select lines. Logic circuitry receives these first select lines and a burst sequence control signal and outputs a plurality of second select lines. When the bust sequence control signal is unasserted, the logic circuitry passes through to the plurality of second select lines the signals received on the plurality of first select lines. When the burst sequence control signal is asserted, the logic circuitry performs a logical operation on the signals received on the plurality of first select lines and outputs the result on the plurality of second select lines.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: December 1, 2015
    Assignee: WINBOND ELECTRONICS CORP.
    Inventor: Myung Chan Choi
  • Patent number: 9154930
    Abstract: Provided is a system for sharing data using a network. When a data transmission apparatus included in the data sharing system generates data, the data transmission apparatus may transmit a data generation message to a data reception apparatus. The data reception apparatus may receive the data based on the data generation message.
    Type: Grant
    Filed: November 10, 2010
    Date of Patent: October 6, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae Hoon Kim, Myeong Wuk Jang, Ji Hoon Lee, Joong-Hong Park, Sung-Chan Choi
  • Patent number: 9142325
    Abstract: A semiconductor memory device includes: a memory cell array region having a plurality of normal cell lines and a plurality of repair cell lines; a plurality of normal cell line selection units suitable for selecting the plurality of normal cell lines, respectively, in response to a local address; a plurality of repair cell line selection units suitable for selecting the plurality of repair cell lines, respectively, in place of normal cell line selection units corresponding to fail information of the local address; a fuse driving unit comprising a fuse array in which the fail information is programmed, suitable for disabling the normal cell line selection units corresponding to the fail information, and enabling normal cell line selection units unrelated to the fail information; and an address determination unit suitable for controlling the plurality of repair cell line selection units based on the fail information.
    Type: Grant
    Filed: December 15, 2013
    Date of Patent: September 22, 2015
    Assignee: SK Hynix Inc.
    Inventors: Doo-Chan Lee, Byeong-Chan Choi, One-Gyun Na
  • Patent number: 9137145
    Abstract: Provided is a communication method of a hub that selects a transmission route from the hub to a receiving terminal of a receiving virtual group based on interface information about at least one interface which is available for use by the receiving terminal and is received from the receiving terminal and interface information about at least one interface which is available for use by a transmitting terminal of a transmitting virtual group and is received from the transmitting terminal.
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: September 15, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae Hoon Kim, Myeong Wuk Jang, Ji Hoon Lee, Sung Chan Choi
  • Patent number: 9112593
    Abstract: An apparatus and method for compensating for a timing offset in a spread spectrum system which perform an oversampling of respective symbols to obtain a plurality of samples, estimate a chip clock timing offset and a symbol clock timing offset from the plurality of samples, and compensate for the chip clock timing offset and the symbol clock timing offset.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: August 18, 2015
    Assignee: INNOWIRELESS CO., LTD.
    Inventors: Jin Soup Joung, Sung Chan Choi, Yong Hoon Lim, Chang Woo Seo
  • Patent number: 9102360
    Abstract: A reinforcing structure of a rear spring seat for a vehicle includes a rear spring seat mounted on a rear side member and outer and inner reinforcing members provided at the outside and inside of the rear spring seat, respectively, wherein a lower portion of the outer reinforcing member is extended to cover an outer lower end of the rear spring seat.
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: August 11, 2015
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Seung Chan Choi, Young Eun Ahn
  • Publication number: 20150162095
    Abstract: Disclosed herein is a shift register in which leakage of charges from a voltage at a set node is prevented to stabilize an output from a stage. The shift register includes a plurality of stages for sequentially outputting scan pulses. Each stage includes a node controller for controlling signal states of a set node and a reset node, and an output unit supplied with any one of a plurality of clock pulses having different phases. The output unit outputs the supplied clock pulse as a scan pulse through an output terminal thereof according to the signal states of the set node and reset node. The node controller includes a first discharging switching device which is turned on or off in response to a scan pulse from a downstream stage. The first discharging switching device is connected between any one of a plurality of clock transfer lines and the set node.
    Type: Application
    Filed: January 20, 2015
    Publication date: June 11, 2015
    Inventors: YONG-HO JANG, SEUNG-CHAN CHOI
  • Patent number: 9053676
    Abstract: A display device includes a substrate with a display area having gate lines and data lines defining cells that each has a pixel electrode, a driving circuit on the substrate, at least one first signal line including lower and upper lines overlapping each other with an insulation layer interposed therebetween, the first signal line adjacent to the driving circuit, and at least one second signal line to connect the first signal line to the driving circuit.
    Type: Grant
    Filed: June 14, 2007
    Date of Patent: June 9, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Yong Ho Jang, Seung Chan Choi
  • Patent number: 9019131
    Abstract: Methods and apparatus for human body communication are provided. A communication signal for transmission through the human body is generated. The communication signal is transmitted when the terminal is in contact with the human body. The touch is detected, and a communication signal is determined based on a number of the touch and a duration of the touch. A function corresponding to the communication signal is executed.
    Type: Grant
    Filed: November 1, 2012
    Date of Patent: April 28, 2015
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Hyung Tae Kim, Hee Chan Choi