Patents by Inventor Yong-Hun Lee

Yong-Hun Lee 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: 20160012105
    Abstract: A method of searching for and providing information about a natural language query having a simple or complex sentence structure, includes: generating a mashup query language having a tree structure in a plurality of levels based on at least one query entity included in a natural language query language via a semantic analysis of the natural language query language; determining whether the plurality of levels are linked through a query entity forming each of the plurality of levels based on attribute information of the mashup query language; searching for data corresponding to the query entity forming each of the plurality of levels from a knowledge database based on a result of the determining, and deriving main information and at least one piece of entity information corresponding to the natural language query language from found data; and laying out a search result screen including the main information and the at least one piece of entity information.
    Type: Application
    Filed: July 10, 2015
    Publication date: January 14, 2016
    Inventors: Jae Hyeok Chang, Ki Young Kim, Myeong Seok Kim, Ji Hye Choi, Won Jin Lee, Hyun Ah Lee, Yong Hun Lee
  • Patent number: 9172859
    Abstract: Exemplary embodiments of a camera module are proposed, the camera module including an image sensor photographing a object image, a memory unit stored with a look-up table recorded with pixel number of the object image corresponding to a length of the object, and an image signal processor detecting a pixel number of the object image photographed by the image sensor, reading out a length of a object corresponding to the detected pixel number from the memory unit and inspecting horizontality of the image sensor and the object.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: October 27, 2015
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Yong Hun Lee
  • Publication number: 20150300748
    Abstract: Provided is a temperature-sensing piezoelectric dispenser, and more particularly, to a dispenser including a piezoelectric pump dispensing a liquid by using a piezoelectric element as an actuator. According to the temperature-sensing piezoelectric dispenser, a temperature of a piezoelectric actuator is measured and the piezoelectric actuator is cooled based on the measured temperature, thereby accurately controlling a liquid discharged according to an operation of the piezoelectric actuator.
    Type: Application
    Filed: June 30, 2015
    Publication date: October 22, 2015
    Inventors: SEUNG MIN HONG, HANSUNG LEE, YONG HUN LEE, MIN SUN KIM
  • Publication number: 20150302292
    Abstract: Provided is an operating number-counting piezoelectric dispenser including a piezoelectric pump dispensing a liquid by using a piezoelectric element as an actuator. According to the operating number-counting piezoelectric dispenser, damages to a piezoelectric actuator may be predicted and the piezoelectric actuator may be replaced before the damages are caused, thereby preventing process loss and defective products and improving productivity.
    Type: Application
    Filed: June 29, 2015
    Publication date: October 22, 2015
    Inventors: Seung Min HONG, Hansung LEE, Yong Hun LEE, Min Sun KIM
  • Patent number: 9156974
    Abstract: A method of preparing a super absorbent polymer (SAP) includes the steps of preparing a first hydrogel polymer by carrying out a thermal polymerization or photo polymerization of a monomer composition including a water-soluble ethylene-based unsaturated monomer and a polymerization initiator; preparing a second hydrogel polymer by carrying out a thermal polymerization or photo polymerization of a monomer composition including a water-soluble ethylene-based unsaturated monomer and a polymerization initiator; drying and milling the first hydrogel polymer and distributing the first hydrogel polymer into a fine powder having a particle diameter below 150 ?m and a base resin having a particle diameter of 150 ?m to 850 ?m; fabricating a reassembled body of the fine powder by mixing the fine powder and the second hydrogel polymer; and mixing the reassembled body of the fine powder with the first hydrogel polymer, and drying and milling the same.
    Type: Grant
    Filed: November 15, 2013
    Date of Patent: October 13, 2015
    Assignee: LG CHEM, LTD.
    Inventors: Yong Hun Lee, Kyu Pal Kim, Chang Sun Han, Gi Cheul Kim, Chul Hee Ryu
  • Publication number: 20150259522
    Abstract: A method of preparing a super absorbent polymer (SAP) includes the steps of preparing a first hydrogel polymer by carrying out a thermal polymerization or photo polymerization of a monomer composition including a water-soluble ethylene-based unsaturated monomer and a polymerization initiator; preparing a second hydrogel polymer by carrying out a thermal polymerization or photo polymerization of a monomer composition including a water-soluble ethylene-based unsaturated monomer and a polymerization initiator; drying and milling the first hydrogel polymer and distributing the first hydrogel polymer into a fine powder having a particle diameter below 150 ?m and a base resin having a particle diameter of 150 ?m to 850 ?m; fabricating a reassembled body of the fine powder by mixing the fine powder and the second hydrogel polymer; and mixing the reassembled body of the fine powder with the first hydrogel polymer, and drying and milling the same.
    Type: Application
    Filed: November 15, 2013
    Publication date: September 17, 2015
    Inventors: Yong Hun Lee, Kyu Pal Kim, Chang Sun Han, Gi Cheul Kim, Chul Hee Ryu
  • Patent number: 9109097
    Abstract: The present invention relates to a method of preparing a super absorbent polymer (SAP). The preparation method for SAP according to the present invention includes: preparing a first polymer by carrying out a thermal polymerization or photo polymerization of a monomer composition comprising a water-soluble ethylene-based unsaturated monomer and a polymerization initiator; preparing a second polymer by carrying out a thermal polymerization or photo polymerization of a monomer composition comprising a water-soluble ethylene-based unsaturated monomer and a polymerization initiator; drying the first polymer; milling the dried first polymer; and mixing the milled first polymer with the second polymer in the free swelling state using the crosslinking solution to cause a crosslinking reaction of the first and second polymers. According to the present invention, it is possible to obtain a super absorbent polymer (SAP) having high centrifuge retention capacity and high absorption under pressure.
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: August 18, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Yong Hun Lee, Chang Sun Han, Tae Young Won, Dae Woo Nam, Sung Soo Park
  • Patent number: 9036630
    Abstract: A method of transmitting a data packet of a multimedia service is provided. The method includes generating a media characteristic corresponding to a single media content component or aggregated media characteristics corresponding to a plurality of multimedia content components, obtaining information used for generating the data packet from the generated media characteristics or aggregated media characteristics, and generating the data packet based on the obtained information used for generating the data packet and transmitting the generated data packet.
    Type: Grant
    Filed: June 13, 2012
    Date of Patent: May 19, 2015
    Assignees: Samsung Electronics Co., Ltd., University-Industry Cooperation Group of Kyung Hee University
    Inventors: Sung-Oh Hwang, Doug-Young Suh, Kyung-Mo Park, Yong-Hun Lee, Jun-Oh Kim, Jae-Yeon Song
  • Publication number: 20150094427
    Abstract: The present invention relates to a method of preparing a super absorbent polymer (SAP). The preparation method for SAP according to the present invention includes: preparing a first polymer by carrying out a thermal polymerization or photo polymerization of a monomer composition comprising a water-soluble ethylene-based unsaturated monomer and a polymerization initiator; preparing a second polymer by carrying out a thermal polymerization or photo polymerization of a monomer composition comprising a water-soluble ethylene-based unsaturated monomer and a polymerization initiator; drying the first polymer; milling the dried first polymer; and mixing the milled first polymer with the second polymer in the free swelling state using the crosslinking solution to cause a crosslinking reaction of the first and second polymers. According to the present invention, it is possible to obtain a super absorbent polymer (SAP) having high centrifuge retention capacity and high absorption under pressure.
    Type: Application
    Filed: December 16, 2013
    Publication date: April 2, 2015
    Inventors: Yong Hun Lee, Chang Sun Han, Tae Young Won, Dae Woo Nam, Sung Soo Park
  • Publication number: 20150087742
    Abstract: The present invention relates to a super absorbent polymer (SAP) and a preparation method thereof. More specifically, the present invention provides a SAP satisfying the overall properties required to a SAP and especially the superior initial absorbency and absorbing rate under load at the same time, and a preparation method thereof, by treating the surface of the SAP with a surface treatment solution including water and a diol-based or glycol-based surface crosslinking agent.
    Type: Application
    Filed: April 23, 2013
    Publication date: March 26, 2015
    Inventors: Tae-Young Won, Chang-Sun Han, Gi-Cheul Kim, Yong-Hun Lee, Sang-Gi Lee, Kyu-Pal Kim, Sung-Soo Park, Gyu Leem
  • Patent number: 8897297
    Abstract: A method of transmitting a data packet of a multimedia service is provided. The method includes generating a media characteristic corresponding to a single media content component or aggregated media characteristics corresponding to a plurality of multimedia content components, obtaining information used for generating the data packet from the generated media characteristics or aggregated media characteristics, and generating the data packet based on the obtained information used for generating the data packet and transmitting the generated data packet.
    Type: Grant
    Filed: June 13, 2012
    Date of Patent: November 25, 2014
    Assignees: Samsung Electronics Co., Ltd., University-Industry Cooperation Group of Kyung Hee University
    Inventors: Sung-Oh Hwang, Doug-Young Suh, Kyung-Mo Park, Yong-Hun Lee, Jun-Oh Kim, Jae-Yeon Song
  • Publication number: 20140207965
    Abstract: In an apparatus for providing a multimedia streaming service, a server transmits a Media Presentation Description (MPD) including information about media data to a client, receives a partial request message requesting a part of media data having a range according to a defined range in the MPD, and transmits to the client a segment having the range in response to the partial request message. The segment includes at least one fragment, segment index information indicating the position of the at least one fragment in the segment, and fragment index information including information indicating the position of each of a plurality of samples included in the at least one fragment and information about a total size of the samples.
    Type: Application
    Filed: March 19, 2014
    Publication date: July 24, 2014
    Applicants: University-Industry Cooperation Group of Kyung Hee University, Samsung Electronics Co., Ltd.
    Inventors: Kyung-Mo PARK, Doug-Young SUH, Yong-Hun LEE, Jae-Yeon SONG
  • Publication number: 20140105132
    Abstract: A method for transmitting multimedia data delivery characteristics information by a multimedia data transmission apparatus in a multimedia communication system is provided. The method includes transmitting, to a multimedia data reception apparatus, an element indicating whether multimedia data delivery characteristics information denoting information related to a Quality of Service (QoS) for multimedia data is included, and the multimedia data delivery characteristics information if the element indicates that the multimedia data delivery characteristics information is included.
    Type: Application
    Filed: October 11, 2013
    Publication date: April 17, 2014
    Applicants: University-Industry Cooperation Group of Kyung Hee University, Samsung Electronics Co. Ltd.
    Inventors: Kyung-Mo PARK, Doug-Young SUH, Sung-Ryeul RHYU, Sung-Oh HWANG, Yong-Hun LEE, Jae-Yeon SONG
  • Patent number: 8694669
    Abstract: In an apparatus for providing a multimedia streaming service, a server transmits a Media Presentation Description (MPD) including information about media data to a client, receives a partial request message requesting a part of media data having a range according to a defined range in the MPD, and transmits to the client a segment having the range in response to the partial request message. The segment includes at least one fragment, segment index information indicating the position of the at least one fragment in the segment, and fragment index information indicating the position of each of a plurality of samples included in the at least one fragment.
    Type: Grant
    Filed: July 20, 2011
    Date of Patent: April 8, 2014
    Assignees: Samsung Electronics Co., Ltd, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Kyung-Mo Park, Doug-Young Suh, Yong-Hun Lee, Jae-Yeon Song
  • Patent number: 8661152
    Abstract: A method and an apparatus for reducing a deterioration of a Quality of Experience (QoE) in a multimedia service. The method includes reproducing a first multimedia stream by the multimedia device, receiving a command for reproducing a second multimedia stream during the reproducing of the first multimedia stream, and reproducing the second multimedia stream with reference to information regarding a unit image that is independently decoded from the second multimedia stream. The information regarding the unit image includes information regarding a number of unit images per unit time included in the second multimedia stream.
    Type: Grant
    Filed: August 19, 2011
    Date of Patent: February 25, 2014
    Assignees: Samsung Electronics Co., Ltd, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Kyung-Mo Park, Chul-Keun Kim, Doug-Young Suh, Jae-Yeon Song, Yong-Hun Lee
  • Publication number: 20140023071
    Abstract: There are provided a method and apparatus for delivering transport characteristics of multimedia data. According to an aspect of the present invention, transport characteristics of media data that can be divided in a unit of a Media Processing Unit (MPU) are created in a unit of a predetermined number of MPUs, the created transport characteristics and a flag indicating presence or absence of the created transport characteristics are inserted into the media data, and the resultant media data is delivered. Accordingly, by using transport characteristics in units of media data unit groups, each media data unit corresponding to a short time length, it is possible to effectively control Quality of Service (QoS) in a dynamically changing transport environment, like a mobile network.
    Type: Application
    Filed: July 17, 2013
    Publication date: January 23, 2014
    Applicants: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY, Samsung Electronics Co., Ltd.
    Inventors: Kyung-Mo PARK, Sung-Oh HWANG, Doug-Young SUH, Yong-Hun LEE
  • Patent number: 8596133
    Abstract: A vertical pressure sensor having a fluid deforming pressure application unit, a sensor housing, a socket, a circuit board, a plurality of electrode terminals, and a plurality of electrical signal transmitting electrode rods. The pressure application unit includes a diaphragm to which strain gauges are attached. The socket surrounds a circumference of the diaphragm of the pressure application unit and includes a receiving passageway. The plurality of electrode terminals are provided at the upper end of the socket in a Wheatstone bridge circuit pattern. The plurality of electrode terminals protrude from the upper end of the socket to constitute an electrode tip. The circuit board connects to the plurality of electrode terminals to convert a pressure value into an electrical signal, and the plurality of electrode rods are connected to the circuit board to transmit the electrical signal outside.
    Type: Grant
    Filed: April 13, 2012
    Date of Patent: December 3, 2013
    Assignee: Tyco Electronics Amp Korea Ltd.
    Inventors: Chul-Sub Lee, Young-Deok Kim, Eul-Chul Byeon, Yong Hun Lee
  • Publication number: 20130301656
    Abstract: A method and an apparatus for transmitting a multimedia data packet are provided. The method includes generating Media Abstraction Layer (MAL) information for abstracting information on the multimedia data to be transmitted, generating a multimedia data packet including said MAL information, and transmitting the generated multimedia data packet to a network entity.
    Type: Application
    Filed: January 19, 2012
    Publication date: November 14, 2013
    Applicants: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY, SAMSUNG ELECTRONICS CO. LTD.
    Inventors: Kyung-Mo Park, Sung-Oh Hwang, Jae-Yeon Song, Doug Young Suh, Yong Hun Lee
  • Publication number: 20120320911
    Abstract: A method of transmitting a data packet of a multimedia service is provided. The method includes generating a media characteristic corresponding to a single media content component or aggregated media characteristics corresponding to a plurality of multimedia content components, obtaining information used for generating the data packet from the generated media characteristics or aggregated media characteristics, and generating the data packet based on the obtained information used for generating the data packet and transmitting the generated data packet.
    Type: Application
    Filed: June 13, 2012
    Publication date: December 20, 2012
    Applicants: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY, SAMSUNG ELECTRONICS CO. LTD.
    Inventors: Sung-Oh HWANG, Doug-Young SUH, Kyung-Mo PARK, Yong-Hun LEE, Jun-Oh KIM, Jae-Yeon SONG
  • Publication number: 20120324490
    Abstract: An apparatus and a method for providing an adaptive multimedia service in a mobile communication system are provided. The method of providing a multimedia service includes collecting user-preference-aware information, device-capability-aware information, and network-aware information, generating a packet according to a correlation among the user-preference-aware information, the device-capability-aware information, and the network-aware information, and providing a multimedia service according to the generated packet.
    Type: Application
    Filed: June 13, 2012
    Publication date: December 20, 2012
    Applicants: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY, SAMSUNG ELECTRONICS CO. LTD.
    Inventors: Sung-Oh HWANG, Doug-Young SUH, Kyung-Mo PARK, Yong-Hun LEE, Jun-Oh KIM, Jae-Yeon SONG, Yong-Il KWON