Patents by Inventor Hee Jeong Cho

Hee Jeong Cho 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: 20210299627
    Abstract: A dehydrogenation chemical reactor includes: a housing; a catalyst part made of a thermally conductive material and disposed in the housing, where the catalyst part has a panel shape, and a catalyst is coated on a surface of the catalyst part to separate hydrogen from an organic hydrogen carrier; a heat transfer pipe which is installed to contact the catalyst part, and conducts latent heat to the catalyst part while pressurized and saturated fluid is supplied therein; and an organic hydrogen carrier line which is connected to the housing to form a passage in which the organic hydrogen carrier is introduced into the housing, contacts the catalyst part to separate hydrogen, and then is discharged.
    Type: Application
    Filed: September 28, 2020
    Publication date: September 30, 2021
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, Kookmin University Industry Academy Cooperation Foundation
    Inventors: Dong Hoon NAM, Kyung Moon LEE, Hoon Mo PARK, Young-Jin CHO, Byeong Soo SHIN, Hee Joon LEE, Seon Jeong HUH
  • Patent number: 11107385
    Abstract: A display device includes a timing controller which supplies a clock training signal through a data clock signal line and a first control signal through a shared signal line in a first period of one frame, and supplies image data through the data clock signal line in a second period of the one frame, a data driver provided with data driving circuits which generate a clock signal based on the clock training signal and the first control signal in the first period, and generate data voltages based on the clock signal and the image data in the second period, and a pixel part which receives the data voltages from the data driver. The data driver may supply a second control signal indicating a reception state of the data driver to the timing controller through the shared signal line in the second period.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: August 31, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Soo Yeon Kim, Ji Ye Lee, Hee Jeong Seo, Tae Gon Im, Jung Hwan Cho
  • Publication number: 20180213075
    Abstract: Disclosed is a method of and apparatus for displaying call information in a mobile communication terminal and a mobile communication terminal adapted to display call information. The method includes the steps of checking the call information when a call occurs, updating and storing the call information according to a status of the call, and displaying the updated call information.
    Type: Application
    Filed: March 20, 2018
    Publication date: July 26, 2018
    Inventors: Hee-Jeong CHO, Kyoung-Ae LIM, Seung-Chul CHOI
  • Patent number: 9924015
    Abstract: Disclosed is a method of displaying call information in a mobile communication terminal and a mobile communication terminal adapted to display call information. The method includes the steps of checking the call information when a call occurs, updating and storing the call information according to a status of the call, and displaying the updated call information.
    Type: Grant
    Filed: March 17, 2006
    Date of Patent: March 20, 2018
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Hee-Jeong Cho, Kyoung-Ae Lim, Seung-Chul Choi
  • Patent number: 9888417
    Abstract: A method and apparatus for switching a connection in a wireless communication system is provided. A source cell decides radio resource control (RRC) connection switching to a target cell, transmits an aggregated user equipment (UE) context transfer message to the target cell, and transmits an RRC connection switching message to a UE in coverage of the source cell. The RRC connection switching message includes information on an identity of the target cell and a period during which the UE should finish the RRC connection switching to the target cell.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: February 6, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Gene Beck Hahn, Jae Hoon Chung, Hye Young Choi, Eun Jong Lee, Hee Jeong Cho
  • Patent number: 9699787
    Abstract: A method for efficiently performing an initial access in an MS in a multi-carrier broadband wireless access system is disclosed. The method includes scanning a plurality of carriers supported by a BS, and selecting one of the scanned carriers as a first carrier and receiving an SFH of the first carrier. The SFH of the first carrier includes at least one of a field indicating load status of the first carrier and recommended network entry carrier information including information about a second carrier in good load status.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: July 4, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: In Uk Jung, Ki Seon Ryu, Jeong Ki Kim, Hee Jeong Cho, Yong Ho Kim, Young Soo Yuk
  • Patent number: 9681286
    Abstract: Provided are a method and an apparatus for confirming the validity of a candidate cooperative device list for client cooperation in a wireless communication system. A base station searches for at least one candidate cooperation device for a source device, then an effective period timer, for an effective time command list for a list of candidate cooperation devices for a source device, is initiated, and a determination is made as to whether the list of candidate cooperation devices is valid. The base station and the source device are connected through a first system, and the base station and one recommended candidate cooperation device selected from the list of candidate cooperation devices are connected through a second system.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: June 13, 2017
    Assignee: LG Electronics Inc.
    Inventors: Hee Jeong Cho, Eun Jong Lee
  • Patent number: 9635522
    Abstract: Disclosed is a method for determining whether a machine-to-machine group identifier (MGID) for identifying a multicast service flow is supported in a wireless access system that supports machine-to-machine (M2M) communication, wherein the multicast service flow is shared by a group of M2M terminals within an M2M group zone that is allocated to the terminals. The method comprises the steps of: receiving from the first base station M2M group zone information of the first base station and neighboring base stations; receiving from the second base station system information of the second base station; and determining whether the MGID that is received from the first base station is supported by the second base station by comparing the system information of the second base station and the M2M group zone information on the neighboring base stations.
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: April 25, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Eun Jong Lee, Gi Won Park, Young Soo Yuk, Hee Jeong Cho
  • Patent number: 9602248
    Abstract: A method for transmitting and receiving ARQ feedback information in a wireless communication system is disclosed. A method for allowing a mobile station to transmit an ARQ feedback in a broadband wireless access system includes receiving an ARQ block and an ARQ feedback polling from the base station, wherein the ARQ feedback polling requests the mobile station to transmit ARQ feedback information indicating whether the ARQ block is successfully received, receiving a first uplink resource for transmitting the ARQ feedback from the base station, and determining whether the received ARQ block is successfully received. The first uplink resource has a minimum size capable of being allocated to the ARQ feedback information.
    Type: Grant
    Filed: July 6, 2010
    Date of Patent: March 21, 2017
    Assignee: LG Electronics Inc.
    Inventors: Eun Jong Lee, Ki Seon Ryu, Hee Jeong Cho, Yong Ho Kim, Young Soo Yuk
  • Patent number: 9572005
    Abstract: Provided are a connection setting method and apparatus for client cooperation in a wireless communication system. A base station and a source device search for at least one candidate cooperative device for the source device. The base station determines whether a list of candidate cooperative devices for the source device is valid. The source device is connected to a recommended candidate cooperative device selected from the list of candidate cooperative devices. At this stage, the base station and the source device are connected through a first system, and the base station and the recommended candidate cooperative device are connected through a second system.
    Type: Grant
    Filed: May 24, 2012
    Date of Patent: February 14, 2017
    Assignee: LG Electronics Inc.
    Inventors: Hee Jeong Cho, Eun Jong Lee, Young Soo Yuk
  • Patent number: 9520936
    Abstract: A method for efficiently updating system information of a base station at a relay station of a broadband wireless access system and an apparatus for performing the method are disclosed. The method for updating system information of an advanced base station (ABS) at an advanced relay station (ARS) of a broadband wireless access system comprises receiving a first message, which includes changed information of the system information of the base station, from the base station; transmitting a second message for acknowledgment of the first message to the base station; and performing application for the changed information.
    Type: Grant
    Filed: August 24, 2010
    Date of Patent: December 13, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Hee Jeong Cho, Ki Seon Ryu, In Uk Jung, Yong Ho Kim, Young Soo Yuk, Gi Won Park
  • Patent number: 9474066
    Abstract: A method and apparatus for transmitting and receiving system information in a wireless communication system are disclosed. A method for receiving system information by a mobile station (MS) of a wireless communication system includes receiving a secondary superframe header (S-SFH) change cycle from a base station (BS), and receiving a primary superframe header information element (P-SFH IE) including a first field indicating a change count of a plurality of secondary superframe header subpacket information elements (S-SFH SP IEs) from the base station (BS). Once each of the plurality of S-SFH SP IEs is changed, each of the plurality of S-SFH SP IEs remains unchanged during one or more S-SFH change cycles.
    Type: Grant
    Filed: July 19, 2013
    Date of Patent: October 18, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Hee Jeong Cho, Ki Seon Ryu, Jin Soo Choi, Yong Ho Kim, Young Soo Yuk
  • Patent number: 9467931
    Abstract: Provided are a method and a device for entering a network for client cooperation in a wireless communication system. A first device, through a frame of a first system, receives a ranging request message from a second device, and transmits the received ranging request message to a base station. As a response thereto, the first device receives a range response message, which is a response to the ranging request message, from a base station of a second system, and through a frame of the first system, transmits the range response message to the second device.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: October 11, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Hee Jeong Cho, Eun Jong Lee, Young Soo Yuk
  • Publication number: 20160295592
    Abstract: A method for efficiently performing an initial access in an MS in a multi-carrier broadband wireless access system is disclosed. The method includes scanning a plurality of carriers supported by a BS, and selecting one of the scanned carriers as a first carrier and receiving an SFH of the first carrier. The SFH of the first carrier includes at least one of a field indicating load status of the first carrier and recommended network entry carrier information including information about a second carrier in good load status.
    Type: Application
    Filed: June 20, 2016
    Publication date: October 6, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: In Uk JUNG, Ki Seon RYU, Jeong Ki KIM, Hee Jeong CHO, Yong Ho KIM, Young Soo YUK
  • Patent number: 9432915
    Abstract: The present invention relates to a broadband wireless access system; and more specifically to a method and apparatus for performing an efficient ranging procedure by mobile station and a base station, by distinguishing the dedicated ranging from the contention-based random access. A method for performing ranging with a mobile station in a broadband wireless access system according to one embodiment of the present invention comprises: transmitting a first ranging code for requesting ranging to a base station through a first ranging opportunity of a first frame; and receiving a first message including a response to the first ranging code, wherein if the first ranging code is a dedicated ranging code and the response to the first ranging code is “continue”, the first message may further include at least one of a dedicated flag field, a second ranging code, and the information on the second ranging opportunity.
    Type: Grant
    Filed: January 27, 2011
    Date of Patent: August 30, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Hee Jeong Cho, Young Soo Yuk, Yong Ho Kim, Ki Seon Ryu
  • Patent number: 9398583
    Abstract: A method for efficiently performing an initial access in an MS in a multi-carrier broadband wireless access system is disclosed. The method includes scanning a plurality of carriers supported by a BS, and selecting one of the scanned carriers as a first carrier and receiving an SFH of the first carrier. The SFH of the first carrier includes at least one of a field indicating load status of the first carrier and recommended network entry carrier information including information about a second carrier in good load status.
    Type: Grant
    Filed: August 11, 2015
    Date of Patent: July 19, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: In Uk Jung, Ki Seon Ryu, Jeong Ki Kim, Hee Jeong Cho, Yong Ho Kim, Young Soo Yuk
  • Patent number: 9386456
    Abstract: A method and apparatus for transmitting an expanding request in a wireless communication system is provided. A first cell transmits an expanding request, which includes a cell off state indication which indicates the first cell is going to be turned off, and a cell off timer, to a second cell, receives an expanding request acknowledge as a response to the expanding request from the second cell, and turns off power. Alternatively, a method and apparatus for transmitting a shrinking request in a wireless communication system is provided. The first cell transmits a shrinking request, which includes a cell on state indication which indicates the first cell is going to be turned on, and a cell on timer, to a second cell, receives a shrinking request acknowledge as a response to the shrinking request from the second cell, and turns on power.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: July 5, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Gene Beck Hahn, Jae Hoon Chung, Hye Young Choi, Eun Jong Lee, Hee Jeong Cho
  • Patent number: 9357406
    Abstract: Provided are a mode conversion method for client cooperation in a wireless communication system and a device thereof. A first device converts a second system repetitively into an active mode which can receive a signal and a non-active mode which cannot receive the signal based on mode conversion information, and detects at least one second device based on the second system in the active mode. The first device is connected to the base station through the second system and another first system.
    Type: Grant
    Filed: May 9, 2012
    Date of Patent: May 31, 2016
    Assignee: LG Electronics Inc.
    Inventors: Hee Jeong Cho, Eun Jong Lee, Young Soo Yuk
  • Publication number: 20160135033
    Abstract: Provided are a method and an apparatus for confirming the validity of a candidate cooperative device list for client cooperation in a wireless communication system. A base station searches for at least one candidate cooperation device for a source device, then an effective period timer, for an effective time command list for a list of candidate cooperation devices for a source device, is initiated, and a determination is made as to whether the list of candidate cooperation devices is valid. The base station and the source device are connected through a first system, and the base station and one recommended candidate cooperation device selected from the list of candidate cooperation devices are connected through a second system.
    Type: Application
    Filed: January 12, 2016
    Publication date: May 12, 2016
    Inventors: Hee Jeong CHO, Eun Jong LEE
  • Patent number: 9320055
    Abstract: The present invention relates to a broadband wireless access system, and more particularly to a method for efficiently communicating scheduling information about a broadcasting message to a terminal. The method for transmitting the broadcasting message in the broadband wireless access system comprises the steps of: transmitting a first map including scheduling information for at least one broadcasting message transmitted within a predetermined transmission unit to a terminal; and broadcasting the message through a resource region indicated by the scheduling information. In the method, it is desirable that the first map is an extended map of a second map including non-user specific control information.
    Type: Grant
    Filed: July 19, 2010
    Date of Patent: April 19, 2016
    Assignee: LG Electronics Inc.
    Inventors: Jeong Ki Kim, Hee Jeong Cho, Ki Seon Ryu, Young Soo Yuk