Patents by Inventor An Na Choi

An Na 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: 20180110090
    Abstract: The present invention relates to a device and method for allocating a coexistence resource in an unlicensed band. The device according to the present invention comprises: a frame configuration unit for configuring a subframe in which data and a reference signal for a channel in an unlicensed band are allocated, and allocating a part of the symbols of the subframe as a coexistence resource; a signal detection unit for detecting a signal of another LTE system or Wi-Fi system during a transmission idle period where the coexistence resource is allocated; and a transmission processing unit which, when the signal of another system is detected during the transmission idle period, does not occupy a resource for the next subframe, and when the occupation of the coexistence resource by the another system has ended, occupies the resource for the next subframe.
    Type: Application
    Filed: January 28, 2016
    Publication date: April 19, 2018
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jung Sun UM, Kyu Min KANG, Seung Keun PARK, Jae Cheol PARK, Sung Jin YOO, Dong Hun LEE, Hoi Yoon JUNG, Su Na CHOI, Sung Hyun HWANG
  • Publication number: 20170354991
    Abstract: A method of manufacturing a transparent pattern printed steel plate includes forming a printed paint film layer by jetting transparent ink onto at least one surface of a steel plate, and curing the printed paint film layer with ultraviolet light to form a cured printed paint film layer. Further, a method of manufacturing a transparent pattern printed steel plate includes preparing a steel plate having a color painted film layer formed on at least one surface thereof, forming a printed paint film layer by jetting transparent ink onto the color painted film layer, and curing the printed paint film layer to form a cured printed paint film layer.
    Type: Application
    Filed: August 19, 2015
    Publication date: December 14, 2017
    Inventors: Jin-Tae KIM, Jong-Sang KIM, Bong-Woo HA, Yang-Ho CHOI, Jung-Hwan LEE, Ha-Na CHOI, Jong-Kook KIM
  • Patent number: 9704815
    Abstract: A package substrate may include an insulating substrate, internal circuits and a warpage-suppressing member. The insulating substrate may have a plurality of mount regions in which semiconductor chips may be mounted, and a peripheral region. The internal circuits may be arranged in the mount regions. The warpage-suppressing member is different from the semiconductor chips and may be arranged in at least one of the mount regions to suppress a warpage of the insulating substrate. Thus, warpage of the package substrate may be suppressed during a reflow process.
    Type: Grant
    Filed: May 16, 2016
    Date of Patent: July 11, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Mi-Na Choi, Young-Deuk Kim, Jae-Choon Kim, Eon-Soo Jang, Hee-Jung Hwang
  • Patent number: 9694045
    Abstract: The present invention relates to a pharmaceutical composition for preventing and treating an inflammatory disease, including a mixture of extracts from Trachelospermi Caulis and Paeonia Suffruticosa Andrews as an active ingredient and method for preparing the same. Also, a quasi-drug composition, a health functional food composition and a cosmetic composition, all based on the mixture, are provided for preventing or improving inflammation. In addition, the present invention relates to a method for treating an inflammatory disease by administering the pharmaceutical composition to a subject suspected of having the inflammatory disease. Containing the extract mixture, the composition exhibits excellent anti-inflammatory activity and edema-suppressing activity, compared to individual extracts, and thus can be applied to the prevention, treatment or improvement of an inflammatory disease.
    Type: Grant
    Filed: August 18, 2011
    Date of Patent: July 4, 2017
    Assignee: SINIL PHARMACEUTICAL CO., LTD.
    Inventors: Jeong Min Lee, Jae Won Park, Jung Ho Choi, Ill Chan Noh, Se Na Kim, Young June Lee, Kyu Seok Choi, Ji Na Choi, Whan Soo Choi, Jin Tea Hong
  • Publication number: 20160372423
    Abstract: A package substrate may include an insulating substrate, internal circuits and a warpage-suppressing member. The insulating substrate may have a plurality of mount regions in which semiconductor chips may be mounted, and a peripheral region. The internal circuits may be arranged in the mount regions. The warpage-suppressing member is different from the semiconductor chips and may be arranged in at least one of the mount regions to suppress a warpage of the insulating substrate. Thus, warpage of the package substrate may be suppressed during a reflow process.
    Type: Application
    Filed: May 16, 2016
    Publication date: December 22, 2016
    Inventors: Mi-Na CHOI, Young-Deuk KIM, Jae-Choon KIM, Eon-Soo JANG, Hee-Jung HWANG
  • Publication number: 20160262152
    Abstract: Disclosed is a resource allocating method of a base station, which includes receiving information on an existence signal of another base station or a coexistence frame in a transmission frame of another base station from a terminal, making time synchronization with another base station and frame synchronization with the coexistence frame of another base station coincide with each other, and allocating a signal transmission frame so as not to overlap the signal transmission frame in the transmission frame of another base station.
    Type: Application
    Filed: February 29, 2016
    Publication date: September 8, 2016
    Inventors: Sung Jin YOO, Kyu Min KANG, Seung Keun PARK, Jae Cheol PARK, Jung Sun UM, Dong Hun LEE, Hoi Yoon JUNG, Su Na CHOI, Sung Hyun HWANG
  • Patent number: 9429612
    Abstract: Disclosed are method and apparatus of generating noise that effectively performs performance evaluation of electronic equipment in a real environment by generating the noise having a statistic characteristic of real noise in a laboratory environment, by estimating a noise parameter set by measuring the noise and generating random noise data using a random noise data generation function having a statistic characteristic corresponding to the noise parameter set to generate radio noise.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: August 30, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT
    Inventors: Su Na Choi, Jong Hwa Kwon
  • Publication number: 20160242183
    Abstract: Disclosed are an apparatus and a method for coexistence of heterogeneous services of a user terminal, which can enhance performance of a wireless communication network by simultaneously providing heterogeneous services such as an LTE-U service and a WiFi service to coexist without signal interference in unlicensed bands through effectively performing selection of a frequency band and selection of a transmission spectrum type in respective service modules of the user terminal.
    Type: Application
    Filed: February 17, 2016
    Publication date: August 18, 2016
    Inventors: Kyu Min KANG, Seung Keun PARK, Jae Cheol PARK, Jung Sun UM, Sung Jin YOO, Dong Hun LEE, Hoi Yoon JUNG, Su Na CHOI, Sung Hyun HWANG
  • Patent number: 9324696
    Abstract: In a package-on-package (PoP) device according to the inventive concepts, an anisotropic conductive film is disposed between a lower semiconductor package and an upper semiconductor package to remove an air gap between the lower and upper semiconductor packages. Thus, heat generated from a lower semiconductor chip may be rapidly and smoothly transmitted toward the upper semiconductor package, thereby increasing or maximizing a heat exhaust effect of the PoP device.
    Type: Grant
    Filed: August 26, 2014
    Date of Patent: April 26, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Mi-Na Choi, Seran Bae, Yunhyeok Im
  • Patent number: 9214971
    Abstract: An apparatus and method for evaluating statistical interference concerning a multi-source noise environment of an electromagnetic (EM) zone are disclosed. The apparatus for evaluating statistical interference may include a receiver to receive an EM wave in a preset frequency band, a spectrum analyzer to analyze the received EM wave and to measure interference in the preset frequency band, a frequency selector to select an interest frequency in the frequency band based on a level of the measured interference, an amplitude probability distribution (APD) measurement unit to measure an APD of an interference signal with respect to the interest frequency, and a comparator to compare the measured APD to a preset limit and to draw a probability of the limit or higher of interference occurring.
    Type: Grant
    Filed: June 6, 2013
    Date of Patent: December 15, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Su Na Choi, Seung Keun Park
  • Publication number: 20150322162
    Abstract: An anti-HER2 antibody, an anti-c-Met/anti-HER2 bispecific antibody including the same, method for preparing same, and a method of preventing and/or treating a cancer using the same are provided.
    Type: Application
    Filed: May 11, 2015
    Publication date: November 12, 2015
    Inventors: Mi Young CHO, Powei LIN, Kwang Ho CHEONG, Jae Woong HWANG, Geun Woong KIM, Han Na CHOI
  • Patent number: 9177887
    Abstract: Semiconductor test devices and methods for fabricating the same may be provided. The semiconductor test device may include a first thermal test flip chip cell including a first heater and a first sensor, and a test substrate formed under the first thermal test flip chip cell. The first thermal test flip chip cell may include a plurality of first bumps arranged on a bottom surface of the first thermal test flip chip cell and be configured to be electrically connected to the first heater and the first sensor. The test substrate may include a first ball array arranged on a bottom surface of the test substrate in a first direction and be configured to be electrically connected to the plurality of first bumps, which are electrically connected to the first heater and the first sensor.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: November 3, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Mi-Na Choi, Ji-Chul Kim, Se-Ran Bae, Eun-Seok Cho, Hee-Jung Hwang
  • Patent number: 9118370
    Abstract: A method for impulsive noise mitigation using an adaptive blanker based on BPSK modulation system includes estimating narrowband Middleton parameters of impulsive noise from signals received for a fixed time period; calculating a threshold using the estimated narrowband Middleton parameters; operating the first blanker to suppress impulsive noise from the signal received at a given point of time through the comparison of the SNR value of the received signal and the threshold. Further, the method includes operating the second blanker to suppress impulsive noise from the received signal through the comparison of the summation of the threshold and the SNR value with an absolute value of the received signal, when the SNR value is above the threshold.
    Type: Grant
    Filed: April 17, 2014
    Date of Patent: August 25, 2015
    Assignees: Electronics and Telecommunications Research Institute, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY
    Inventors: Seung Keun Park, Sang Bong Jeon, Su Na Choi, Haewoon Nam, Hyungkook Oh
  • Publication number: 20150223001
    Abstract: Disclosed are method and apparatus of generating noise that effectively performs performance evaluation of electronic equipment in a real environment by generating the noise having a statistic characteristic of real noise in a laboratory environment, by estimating a noise parameter set by measuring the noise and generating random noise data using a random noise data generation function having a statistic characteristic corresponding to the noise parameter set to generate radio noise.
    Type: Application
    Filed: January 21, 2015
    Publication date: August 6, 2015
    Inventors: Su Na CHOI, Jong Hwa KWON
  • Patent number: 9030217
    Abstract: In integrated circuit chips that are used for RFID, a method of calibrating an operation frequency that is generated in an operation frequency generator and a semiconductor wafer including a calibration circuit are provided. The method of calibrating an operation frequency of integrated circuit chips includes: supplying DC power to the integrated circuit chips; selecting an integrated circuit chip to perform calibration of an operation frequency; receiving an operation frequency that is generated in the selected integrated circuit chip; calculating a difference between a phase of the operation frequency and a phase of a calibration target frequency; generating a frequency calibration value of the operation frequency using the phase difference; transmitting a control signal including the frequency calibration value to the integrated circuit chip; and releasing a selection of the integrated circuit chip in which calibration of the operation frequency is complete.
    Type: Grant
    Filed: September 6, 2012
    Date of Patent: May 12, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Hyunseok Kim, Su Na Choi, Heyung Sub Lee, Cheol Sig Pyo
  • Patent number: 8994169
    Abstract: A semiconductor package usable with a mobile device includes a circuit board including conductive wirings therein and contact terminals on a rear surface thereof, an integrated circuit chip positioned on a front surface of the circuit board and electrically connected to the conductive wirings, a cover including at least an opening, and to cover the integrated circuit chip such that a flow space is provided around the integrated circuit chip and the opening communicates with the flow space, and an air flow generator positioned on the cover to generate a compulsory air flow through the flow space and the opening, thereby dissipating heat out of the semiconductor package from the integrated circuit chip by the compulsory air flow.
    Type: Grant
    Filed: August 29, 2012
    Date of Patent: March 31, 2015
    Assignee: SAMSUNG Electronics Co., Ltd.
    Inventors: Ji-Chul Kim, Jin-Kwon Bae, Mi-Na Choi, Hee-Jung Hwang
  • Patent number: 8988645
    Abstract: A display device includes a panel including pixels defined by data lines and gate lines, a housing chassis covering a sidewall and an edge of the panel, a printed circuit board under the panel, the printed circuit board including circuit elements configured to generate at least one of a data signal, a gate signal, and a control signal, a chip on film connecting the printed circuit board to the panel, the chip on film between the housing chassis and the sidewall of the panel, a driver integrated circuit mounted on the chip on film and configured to respond to the control signal and drive at least one of the data signal and the gate signal applied to the data lines and the gate lines, and a connection unit attaching the chip on film to the housing chassis and dissipating heat generated by the driver integrated circuit to the housing chassis.
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: March 24, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jichul Kim, Young-Deuk Kim, Eunseok Cho, Mi-Na Choi
  • Publication number: 20150061095
    Abstract: In a package-on-package (PoP) device according to the inventive concepts, an anisotropic conductive film is disposed between a lower semiconductor package and an upper semiconductor package to remove an air gap between the lower and upper semiconductor packages. Thus, heat generated from a lower semiconductor chip may be rapidly and smoothly transmitted toward the upper semiconductor package, thereby increasing or maximizing a heat exhaust effect of the PoP device.
    Type: Application
    Filed: August 26, 2014
    Publication date: March 5, 2015
    Inventors: Mi-Na Choi, Seran Bae, Yunhyeok Im
  • Patent number: 8878650
    Abstract: In a radio frequency identification (RFID) security reader, by integrating an encryption module that encrypts transmission data and a decryption module that decrypts reception data from an RFID security tag to restore the reception data to original data to a modem, an input/output time period of a processor module that processes a communication protocol in an RFID security system is minimized.
    Type: Grant
    Filed: August 15, 2011
    Date of Patent: November 4, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Dong-Beom Shin, Heyung Sub Lee, Sang Yeoun Lee, Hyunseok Kim, Su Na Choi, Kang Bok Lee, Joo Sang Park
  • Publication number: 20140314185
    Abstract: A method for impulsive noise mitigation using an adaptive blanker based on BPSK modulation system includes estimating narrowband Middleton parameters of impulsive noise from signals received for a fixed time period; calculating a threshold using the estimated narrowband Middleton parameters; operating the first blanker to suppress impulsive noise from the signal received at a given point of time through the comparison of the SNR value of the received signal and the threshold. Further, the method includes operating the second blanker to suppress impulsive noise from the received signal through the comparison of the summation of the threshold and the SNR value with an absolute value of the received signal, when the SNR value is above the threshold.
    Type: Application
    Filed: April 17, 2014
    Publication date: October 23, 2014
    Applicants: Electronics and Telecommunications Research Institute, Industry-University Cooperation Foundation Hanyang University
    Inventors: Seung Keun PARK, Sang Bong JEON, Su Na CHOI, Haewoon NAM, Hyungkook OH