Patents by Inventor Chang-Min Hong

Chang-Min Hong 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: 10560188
    Abstract: The present invention relates to an image sensor communication (ISC) system and method for enabling communication between an LED and a rolling shutter camera using a rolling shutter modulation method. The image sensor communication system according to an embodiment of the present invention comprises: a coding unit for coding transmission data to be transmitted; an LED which is turned on/off according to the transmission data coded in the coding unit; a rolling shutter camera for continuously photographing, at each of a plurality of rows in a rolling shutter manner, on/off images according to the on/off of the LED; an image processing unit for generating brightness signals according to brightness values of the on/off images of the LED photographed at each of the plurality of rows by the rolling shutter camera; and a data extraction unit for extracting the transmission data from the brightness signals of the on/off images of the LED generated by the image processing unit.
    Type: Grant
    Filed: January 15, 2016
    Date of Patent: February 11, 2020
    Assignee: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION
    Inventors: Yeong Min Jang, Van Nguyen Trang, Chang Hyun Hong
  • Patent number: 10560193
    Abstract: A DSM-PSK optical wireless transmission method includes the steps of: receiving a binary data signal, allowing a modulator to convert the binary data signal into a global phase shift signal, generating a reference signal group including M number of pulse signals having the same period, the same duty ratio of d/M, mutually different phases, and a determined sequence, generating a data signal group including M number of pulse signals having a determined sequence, the pulse signals having been obtained by phase-shifting the reference signal group according to the global phase shift signal, flickering each light source of a reference light source group including M number of light sources having a determined sequence, according to each pulse signal of the reference signal group, and flickering each light source of a data light source group including M number of light sources having a determined sequence, according to each pulse signal of the data signal group.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: February 11, 2020
    Assignee: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION
    Inventors: Yeong Min Jang, Van Trang Nguyen, Chang Hyun Hong
  • Publication number: 20190356385
    Abstract: An optical wireless communication apparatus includes: a modulator for generating a reference signal including periodically repeating binary zeros and ones, receiving an input of a first binary data signal, and outputting a second binary data signal, wherein the second binary data signal has the same frequency as the reference signal, and has the same phase as the reference signal when the first binary data signal comprises binary zeros and has an opposite phase to the reference signal when the first binary data signal comprises binary ones, or has the same phase as the reference signal when the first binary data signal comprises binary ones and has an opposite phase to the reference signal when the first binary data signal comprises binary zeros, and a transmitter for turning a first light source on or off according to the reference signal, and turning a second light source on or off according to the second binary data signal.
    Type: Application
    Filed: November 28, 2016
    Publication date: November 21, 2019
    Inventors: Yeong Min JANG, Van Trang NGUYEN, Chang Hyun HONG
  • Publication number: 20190326997
    Abstract: A DSM-PSK optical wireless transmission method includes the steps of: receiving a binary data signal, allowing a modulator to convert the binary data signal into a global phase shift signal, generating a reference signal group including M number of pulse signals having the same period, the same duty ratio of d/M, mutually different phases, and a determined sequence, generating a data signal group including M number of pulse signals having a determined sequence, the pulse signals having been obtained by phase-shifting the reference signal group according to the global phase shift signal, flickering each light source of a reference light source group including M number of light sources having a determined sequence, according to each pulse signal of the reference signal group, and flickering each light source of a data light source group including M number of light sources having a determined sequence, according to each pulse signal of the data signal group.
    Type: Application
    Filed: November 28, 2016
    Publication date: October 24, 2019
    Inventors: Yeong Min JANG, Van Trang NGUYEN, Chang Hyun HONG
  • Patent number: 10450390
    Abstract: Provided are a novel metallocene compound, a metallocene-supported catalyst, and a method of preparing a polyolefin using the same. The metallocene-supported catalyst according to the present disclosure exhibits a high polymerization activity even when the metallocene compound is supported on a support, thereby showing an excellent activity and preparing a polyolefin having a high molecular weight.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: October 22, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Sung Min Lee, Bog Ki Hong, Kyung Jin Cho, Se Young Kim, Chang Woan Han, Ki Soo Lee, Eun Kyoung Song
  • Publication number: 20190264353
    Abstract: A woven article for a carbon fiber reinforced plastic according to the present invention is a woven article of a spun yarn containing: about 10 wt % to about 60 wt % of a carbon fiber staple in which the content of carbon components is equal to or greater than about 97 wt %; and about 40 wt % to about 90 wt % of a thermoplastic resin fiber, wherein the carbon fiber staple is obtained by carbonizing carbon fiber reinforced plastic scrap at a temperature of about 900 to about 1400° C. The woven article for a carbon fiber reinforced plastic includes a carbon fiber staple manufactured from scrap generated during manufacture of the carbon fiber reinforced plastic, and allows economic recycling of the carbon fiber reinforced plastic scrap without a reduction in mechanical properties. When molded, productivity is high due to a short cycle time, there is almost no orientation, and an excellent flexural modulus is exhibited.
    Type: Application
    Filed: October 30, 2017
    Publication date: August 29, 2019
    Inventors: Kyun Ha BAN, Yun Seok BAE, Chang Min HONG
  • Patent number: 10385146
    Abstract: The present disclosure relates to a novel metallocene compound. The metallocene compound according to the present disclosure may be used for the preparation of an olefin-based polymer, may have excellent ability, and may produce an olefin-based polymer having a relatively high molecular weight compared with the case of using a catalyst composition having a similar structure due to the structural and electrical steric hindrance effect.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: August 20, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Kyung Jin Cho, Ki Soo Lee, Sung Min Lee, Bog Ki Hong, Min Seok Cho, Se Young Kim, Chang Woan Han
  • Patent number: 10387500
    Abstract: A semiconductor device includes a fin, first to fourth gate electrodes, first and second storage devices, first and second search terminals, and first and second dummy search terminals. The fin extend in a first direction. The gate electrodes intersecting the fin. The storage devices are connected with the gate electrodes. The first search terminal is connected with the second gate electrode and is spaced from the fin by a first distance. The second search terminal is connected with the third gate electrode and is spaced from the fin by a second distance different from the first distance. The first dummy search terminal is connected with the second gate electrode and is spaced from the fin by the second distance. The second dummy search terminal is connected with the third gate electrode and is spaced from the fin by the first distance.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: August 20, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hee Bum Hong, Chang Min Hong
  • Publication number: 20190248994
    Abstract: A thermoplastic resin composition of the present invention comprises: approximately 100 parts by weight of a thermoplastic resin including a repeat unit represented by Chemical Formula 1, a repeat unit represented by Chemical Formula 2, and a repeat unit represented by Chemical Formula 3; and approximately 5 to 40 parts by weight of a reinforcing filler. The thermoplastic resin composition is excellent in terms of heat resistance, stiffness, lightweight properties, and external appearance, and exhibits excellent balance between said physical properties.
    Type: Application
    Filed: October 30, 2017
    Publication date: August 15, 2019
    Inventors: Yun Seok BAE, Kyun Ha BAN, Chang Min HONG
  • Publication number: 20190240578
    Abstract: An apparatus for controlling an object may include a communicator configured to communicate with a first user terminal and a second user terminal, and a processor configured to control a first object corresponding to a first user in a virtual world to be displayed, configured to control the first object to move in the virtual world in response to a movement control of the first user, configured to randomly select at least one candidate object in response to a morphing control of the first user, and configured to change the first object to a second object when the first user selects the second object from the at least one candidate object. Methods for controlling an object are also provided.
    Type: Application
    Filed: April 19, 2019
    Publication date: August 8, 2019
    Inventors: Jung Kyu YE, Geon Yeong KIM, Chang Hoon YI, Joo Seok LEE, Guhyun PARK, Young Suk KIM, Jae Hyun PARK, June Sik YI, Hun Joon HA, Nak Hyun KIM, Ho Sik KIM, Jeong Min SEO, Tae Hoon KOO, Duc Chun KIM, Seoung Hwi JUNG, Byung Eun JIN, Jin Woo LEE, Seok Hyun KIM, Ju Yong LIM, Hyun Ju CHO, Sang Yeop LEE, Min Kwan CHAE, Sang Ho KIM, Hee Seok KANG, Seongkwan LEE, Jeong Pyo HONG, Choong Yeol LEE, Yong Woo PARK, Kyoung Su LEE, Yu Ju KIM, Dong Gook LEE, Hyun Jin KIM, Hyun Jeong LEE, Dong Young CHANG, Jong Min LEE, Jin Woo LEE, Song I HAN, Taek Ki LEE, Eun Ji NAM, Choon Hwa LEE, Young Min KANG, Jung Soo LEE
  • Patent number: 10364348
    Abstract: A thermoplastic resin composition and a molded article including the same are disclosed herein. The thermoplastic resin composition includes a base resin including a polycarbonate (PC) resin and a polyester resin, inorganic fillers, and an aromatic (meth)acrylate polymer, wherein the aromatic (meth)acrylate polymer is a copolymer of a monomer mixture including a vinyl cyanide monomer, an aromatic vinyl monomer, and an aromatic (meth)acrylate.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: July 30, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Jeong Eun Park, Kee Hae Kwon, Chang Min Hong
  • Publication number: 20190185655
    Abstract: A thermoplastic resin composition of the present invention comprises: an acrylate-based rubber-modified vinyl-based graft copolymer; aromatic vinyl-cyanide vinyl-based copolymer resin; a first dulling agent; and a second dulling agent, wherein the first dulling agent is a copolymer (PS-g-SAN) in which a styrene-acrylonitrile copolymer is graft-polymerized in polystyrene, and the second dulling agent is a copolymer in which a styrene-acrylonitrile copolymer is graft-polymerized in a poly(ethylene-co-glycidyl methacrylate). The thermoplastic resin composition has excellent low-light properties, impact resistance and fluidity.
    Type: Application
    Filed: August 25, 2017
    Publication date: June 20, 2019
    Inventors: Ji Eun PARK, Kee Hae KWON, In Chol KIM, Hyeong Seob SHIN, Chang Min HONG
  • Patent number: 10316188
    Abstract: A thermoplastic resin composition for automobiles and a molded part for automobiles manufactured using the same is disclosed. The thermoplastic resin composition for automobiles includes: a semi-aromatic polyamide resin; an aliphatic polyamide resin; a first chelating agent including an amino group and a carboxyl group acid or a salt thereof; a second chelating agent including a C1 to C10 (not including carbon of carboxyl group) aliphatic polyhydric carboxylic acid having two to four carboxyl groups; and fillers. The thermoplastic resin composition for automobiles can have good long-term thermal stability and can maintain mechanical properties despite exposure to high temperature for a long time, and thus can be easily applied to peripheral parts of an automobile engine compartment.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: June 11, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Hyoung Taek Kang, Jae Youp Chung, Chang Min Hong
  • Patent number: 10315112
    Abstract: An apparatus for controlling an object may include a communicator configured to communicate with a first user terminal and a second user terminal, and a processor configured to control a first object corresponding to a first user in a virtual world to be displayed, configured to control the first object to move in the virtual world in response to a movement control of the first user, configured to randomly select at least one candidate object in response to a morphing control of the first user, and configured to change the first object to a second object when the first user selects the second object from the at least one candidate object. Methods for controlling an object are also provided.
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: June 11, 2019
    Assignee: Nexon Korea Corporation
    Inventors: Jung Kyu Ye, Geon Yeong Kim, Chang Hoon Yi, Joo Seok Lee, Guhyun Park, Young Suk Kim, Jae Hyun Park, June Sik Yi, Hun Joon Ha, Nak Hyun Kim, Ho Sik Kim, Jeong Min Seo, Tae Hoon Koo, Duc Chun Kim, Seoung Hwi Jung, Byung Eun Jin, Jin Woo Lee, Seok Hyun Kim, Ju Yong Lim, Hyun Ju Cho, Sang Yeop Lee, Min Kwan Chae, Sang Ho Kim, Hee Seok Kang, Seongkwan Lee, Jeong Pyo Hong, Choong Yeol Lee, Yong Woo Park, Kyoung Su Lee, Yu Ju Kim, Dong Gook Lee, Hyun Jin Kim, Hyun Jeong Lee, Dong Young Chang, Jong Min Lee, Jin Woo Lee, Song I Han, Taek Ki Lee, Eun Ji Nam, Choon Hwa Lee, Young Min Kang, Jung Soo Lee
  • Publication number: 20190162801
    Abstract: Disclosed herein are a method for modifying a magnetic field using magnetic nanoparticles and an apparatus therefor. The method for modifying a magnetic field includes applying current to a single solenoid coil or to two parallel solenoid coils, measuring a strength of a magnetic field generated by the current at a preset target location using a measurement sensor, and controlling the strength of the magnetic field based on a concentration of a magnetic nanoparticle sample mounted in the single solenoid coil or the two solenoid coils so that the strength of the magnetic field matches a preset target value.
    Type: Application
    Filed: November 29, 2018
    Publication date: May 30, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Hyo-Bong HONG, Jae-Chan JEONG, Seung-Min CHOI, Chang-Beom KIM
  • Publication number: 20190155571
    Abstract: An electronic device is provided. The electronic device includes a housing, a touchscreen display exposed through a first portion of the housing, a microphone disposed at a second portion of the housing, a speaker disposed at a third portion of the housing, a memory disposed inside the housing, a processor disposed inside the housing, and electrically connected to the display, the microphone, the speaker, and the memory. The memory is configured to store a plurality of application programs, each of which includes a graphic user interface (GUI).
    Type: Application
    Filed: January 28, 2019
    Publication date: May 23, 2019
    Inventors: In Jong RHEE, Ji Min LEE, Sang Ki KANG, Han Jun KU, Sung Pa PARK, Jang Seok SEO, In Wook SONG, Won Ick AHN, Kyoung Gu WOO, Ji Soo YI, Chang Kyun JEON, Ho Jun JAYGARL, Il Hwan CHOI, Yoo Jin HONG, Ji Hyun KIM, Jae Yung YEO
  • Patent number: 10273361
    Abstract: The present invention relates to a conductive polyamide/polyphenylene ether resin composition and an automotive molded article manufactured therefrom. The conductive polyamide/polyphenylene ether resin composition comprises: (a) a base resin comprising (a-1) polyphenylene ether and (a-2) polyamide; (b) a modified polyolefin based resin; (c) an impact modifier; (d) a compatibilizer; and (e) a conductive filler, and the conductive polyamide/polyphenylene ether resin composition is formed in a domain phase and a matrix phase, wherein the domain phase comprises (a-1) the polyphenylene ether and (c) the impact modifier and the matrix phase comprises (a-2) the polyamide and (b) the modified polyolefin based resin, (e) the conductive filler being dispersed on the domain phase and the matrix phase and the content of the conductive filler dispersed on the matrix phase being higher than that of the conductive filler dispersed on the domain phase.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: April 30, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Won Young Choi, Doo Young Kim, Jung Hun Lee, Won Ko, Chang Min Hong
  • Patent number: 10266692
    Abstract: The present invention relates to an automobile-use thermoplastic resin composition, and an automobile-use molded product manufactured therefrom. The automobile-use thermoplastic resin composition comprises an aliphatic polyamide resin; a first chelating agent comprising an amino group and at least one of carboxylic acid and a salt thereof; a second chelating agent comprising a C1 to C10 (not including carboxyl group carbon) aliphatic polyvalent carboxylic acid having two to four carboxyl groups; and a filler.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: April 23, 2019
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Hyoungtaek Kang, Chang Min Hong
  • Publication number: 20190085165
    Abstract: The present invention relates to a conductive polyamide/polyphenylene ether resin composition and an automotive molded article manufactured therefrom. The conductive polyamide/polyphenylene ether resin composition comprises: (a) a base resin comprising (a-1) polyphenylene ether and (a-2) polyamide; (b) a modified polyolefin based resin; (c) an impact modifier; (d) a compatibilizer; and (e) a conductive filler, and the conductive polyamide/polyphenylene ether resin composition is formed in a domain phase and a matrix phase, wherein the domain phase comprises (a-1) the polyphenylene ether and (c) the impact modifier and the matrix phase comprises (a-2) the polyamide and (b) the modified polyolefin based resin, (e) the conductive filler being dispersed on the domain phase and the matrix phase and the content of the conductive filler dispersed on the matrix phase being higher than that of the conductive filler dispersed on the domain phase.
    Type: Application
    Filed: November 19, 2018
    Publication date: March 21, 2019
    Inventors: Won Young CHOI, Doo Young KIM, Jung Hun LEE, Won KO, Chang Min HONG
  • Publication number: 20190016888
    Abstract: The present invention relates to a polyamide/polyphenylene ether resin composition containing: a base resin comprising polyphenylene ether, a polyamide and an impact modifier; a compatibilizer; and a polyamine, and to: a polyamide/polyphenylene ether resin composition having a notched Izod impact strength of about 12 kJ/m2 or more when measured at 23° C. according to the ISO 180 standard, and a number of checkerboard lattices, in which peeling off occurs, being about 5% or less of the total number of checkerboard lattices in a 1 mm-gap checkerboard pattern test for testing adhesion to acrylic paints and a melamine-based paints according to the JIS K5600-5-6 standard; and a preparation method therefor.
    Type: Application
    Filed: November 17, 2016
    Publication date: January 17, 2019
    Applicant: LOTTE ADVANCED MATERIALS CO., LTD.
    Inventors: Won Young CHOI, Doo Young KIM, Kyun Ha BAN, Chang Min HONG