Patents by Inventor Chang Su Lee

Chang Su 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: 20210404381
    Abstract: The present invention provides a direct-fired supercritical carbon dioxide power generation system and a power generation method thereof, the system comprising: a combustor for burning hydrocarbon fuel and oxygen; a turbine driven by combustion gas discharged from the combustor; a heat exchanger for cooling combustion gas discharged after driving the turbine, by heat exchange with combustion gas recycled and supplied to the combustor; and an air separation unit for separating air to produce oxygen, wherein a portion of the combustion gas discharged after driving the turbine is branched before being introduced to the heat exchanger and is supplied to the air separation unit.
    Type: Application
    Filed: September 30, 2019
    Publication date: December 30, 2021
    Applicant: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Dae-Keun LEE, Dong-Soon NOH, Chang-Bog KO, Young-Tae GUAHK, Seung-Gon KIM, Min-Jung LEE, Eun-Kyung LEE, Woo-Nam JUNG, Nam-Su KIM
  • Publication number: 20210394553
    Abstract: A hub built-in type constant velocity joint may include a plurality of wheel guide coupling portions to which wheel guides are configured to be coupled, and a hub housing which is formed between the wheel guide coupling portions and in which a discharge portion is formed to be stepped with each of the wheel guide coupling portions and configured to discharge foreign materials to the outside.
    Type: Application
    Filed: September 30, 2020
    Publication date: December 23, 2021
    Applicants: Hyundai Motor Company, Kia Motors Corporation, HYUNDAI WIA Corporation
    Inventors: Sung Su YOO, Won Jun CHOI, Hee Il KIM, Soo Kyoung LEE, Bum Jae LEE, Chang Hee JEONG
  • Patent number: 11202511
    Abstract: The present invention relates to a seat lock including: a fixed bracket fixed to a leg of a chair; a locking unit disposed on the fixed bracket; and a movable bracket fixed to a seat of the chair in such a manner as to rotate together with the seat and having a seat rotation shaft and a locking piece coupled to an end periphery of the seat rotation shaft in such a manner as to be exposed to the outside, wherein the locking unit includes a driving motor having a driving shaft, a driving cam fitted to the driving shaft of the driving motor, and a latch rotating in a range of a given angle around a shaft fixed to the fixed bracket to limit the rotational movement of the locking piece. According to the present invention, the seat lock can utilize the locking unit to allow the seat to be more efficiently managed.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: December 21, 2021
    Inventors: Sang Kyu Kim, Jang Soo Kim, Young Su No, Hyun Jong Baek, Geum Sang Yoo, Sang Heon Lee, Ja Bin Lee, Young Wook Choi, Matthew Han, Seo Hee Kim, Ok Sun Kim, Dong Jin Lee, Chang Moo Heo, Jin Chul Kim, Man Soon Lim
  • Patent number: 11205683
    Abstract: An image sensor includes a substrate having a photoelectric conversion element therein, a first insulating layer on the substrate, a contact penetrating through the first insulating layer, a color filter on at least one side of the contact, and a moisture absorption prevention layer in contact with a sidewall of the contact and extending on an upper surface of the color filter.
    Type: Grant
    Filed: February 11, 2020
    Date of Patent: December 21, 2021
    Inventors: Kwan Sik Kim, Jin Hyung Kim, Chang Hwa Kim, Hong Ki Kim, Sang-Su Park, Beom Suk Lee, Jae Sung Hur
  • Publication number: 20210317911
    Abstract: A shift by wire system may include a shifter assembly that is configured to generate an electrical manipulation signal by a driver's shifting operation, a shifter controller provided in the shifter assembly and configured of transmitting shift information according to the electrical manipulation signal, and an actuator controller which is mounted on a housing coupled with the shifter assembly, connected to the shifter controller, and applies a driving signal according to the shift information to an actuator.
    Type: Application
    Filed: October 28, 2020
    Publication date: October 14, 2021
    Applicants: Hyundai Motor Company, Kia Motors Corporation, SL Corporation
    Inventors: Yang Rae CHO, Wonjin Jeong, Chang Su Lee
  • Publication number: 20210158388
    Abstract: Provided is an operating method of an advertisement management device, the operating method including: based on log data of a plurality of users collected from a certain game, setting at least one group for the certain game; registering advertisement information to be provided to the at least one group; requesting a plurality of platform servers capable of providing advertisements to provide the advertisement information for each of the at least one group; obtaining, from the plurality of platform servers, feedback information of advertisements provided for each of the at least one group; and based on the feedback information, performing management of the advertisement information registered for each of the at least one group.
    Type: Application
    Filed: November 25, 2020
    Publication date: May 27, 2021
    Inventors: Do Ho LEE, Gi Hye KIM, Seung Woo NAM, Sang Ki LEE, Kyung Jang CHO, Ho Yun JUNG, Jin Hyeong JU, Hak LEE, Chang Su LEE, Bit Na YUN, Myoung Gon AN, Jang Won LEE, Chel KANG, Kyung Rae CHO
  • Patent number: 10436318
    Abstract: A controlling apparatus for a transmission capable of returning a shift stage of the transmission to an initial stage is provided. The apparatus includes a first gear component configured to rotate based on a driving force provided from a driving component, an output component configured to generate an operating force to control the transmission an elastic component with a first end fixed and a second end supported by the output component, a driving force transfer component configured to be selectively coupled to the output component to transfer the driving force from the first gear component to the output component and a returning component configured to actuate the driving force transfer component to be separated from the output component. The output component includes a shaft configured to be connected to the transmission, and the first gear component and the driving force transfer component are configured to rotate around the shaft.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: October 8, 2019
    Assignee: SL Corporation
    Inventors: Hong Jun Cha, Young Eon Jung, Tae Won Park, Chang Su Lee, Keon Chan Ahn, Dong Hwan Lee
  • Patent number: 10411224
    Abstract: The present disclosure relates to an electronic device with a display device having enhanced display power consumption. The electronic device includes: a housing; a transparent member disposed in at least a portion of the housing, and includes an upper surface and a lower surface; a first anti-reflection layer coupled to the upper surface of the transparent member; and a display panel coupled to at least a portion of the lower surface of the transparent member by a visually transparent adhesive member, and housed in the housing. The display panel includes: a polarizing film layer coupled to the adhesive member and including an upper surface and lower surface; a light emitting layer disposed under the lower surface of the polarizing film layer; and a second anti-reflection layer disposed on the lower surface of the polarizing film layer between the lower surface of the polarizing film layer and the light emitting layer.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: September 10, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jihun Heo, Ji Hoon Park, Sung-Soo Moon, Kemsuk Seo, Taeyoon An, Bong Jae Rhee, Chang-Su Lee
  • Publication number: 20190178755
    Abstract: Some embodiments of the present invention intend to provide a method and an apparatus for diagnosing health state of a 3D printer which collects collection data in a 3D printing process by using sensors attached to the 3D printer (for example, an acceleration sensor and an acoustic emission sensor), extracts feature elements of the sensor data, applies machine learning to an equipment health state diagnosis model based on the extracted feature elements, and thereby enables diagnosing equipment health state of 3D printer components in an objective and consistent manner.
    Type: Application
    Filed: December 10, 2018
    Publication date: June 13, 2019
    Applicant: Research & Business Foundation Sungkyunkwan University
    Inventors: Sang Won LEE, Jung Sub KIM, Chang Su LEE
  • Publication number: 20180277798
    Abstract: The present disclosure relates to an electronic device with a display device having enhanced display power consumption. The electronic device includes: a housing; a transparent member disposed in at least a portion of the housing, and includes an upper surface and a lower surface; a first anti-reflection layer coupled to the upper surface of the transparent member; and a display panel coupled to at least a portion of the lower surface of the transparent member by a visually transparent adhesive member, and housed in the housing. The display panel includes: a polarizing film layer coupled to the adhesive member and including an upper surface and lower surface; a light emitting layer disposed under the lower surface of the polarizing film layer; and a second anti-reflection layer disposed on the lower surface of the polarizing film layer between the lower surface of the polarizing film layer and the light emitting layer.
    Type: Application
    Filed: March 27, 2018
    Publication date: September 27, 2018
    Inventors: Jihun HEO, Ji Hoon PARK, Sung-Soo MOON, Kemsuk SEO, Taeyoon AN, Bong Jae RHEE, Chang-Su LEE
  • Publication number: 20180180177
    Abstract: A controlling apparatus for a transmission capable of returning a shift stage of the transmission to an initial stage is provided. The apparatus includes a first gear component configured to rotate based on a driving force provided from a driving component, an output component configured to generate an operating force to control the transmission an elastic component with a first end fixed and a second end supported by the output component, a driving force transfer component configured to be selectively coupled to the output component to transfer the driving force from the first gear component to the output component and a returning component configured to actuate the driving force transfer component to be separated from the output component. The output component includes a shaft configured to be connected to the transmission, and the first gear component and the driving force transfer component are configured to rotate around the shaft.
    Type: Application
    Filed: December 28, 2017
    Publication date: June 28, 2018
    Inventors: Hong Jun Cha, Young Eon Jung, Tae Won Park, Chang Su Lee, Keon Chan Ahn, Dong Hwan Lee
  • Publication number: 20160113579
    Abstract: A portable audio output apparatus, including an audio output module configured to be in contact with a user's body and to output an audio signal, and a body fat sensor configured to sense a body resistance value of the user through at least four body contact nodes, is provided. At least two of the nodes are placed at outer surface areas of the audio output apparatus that are out of contact with the body if the user wears the audio output apparatus.
    Type: Application
    Filed: October 22, 2015
    Publication date: April 28, 2016
    Inventors: Kem Suk Seo, Sung Soo Moon, Bong Jae Rhee, Sang Moon Lee, Chang Su Lee
  • Publication number: 20160115655
    Abstract: Disclosed is a surface sign that is seen by the driver as raised vertically improving the readability by the driver, and as for the surface signs with an optical illusion effect that can aid the driver in driving safely due to the tendency of being able to capture the gaze of the driver printing onto the road surface creating surface signs that provides information to a far off above driver using copy or shapes, from the standard distance between the above driver and the above surface sign, where the roadside prints are formed longer than the wayside prints for random waysides and roadsides reflected at the same distances form in the periphery of the above driver, and the surface of the road is painted in order for the two nearby roadsides to form a mutually acute angle.
    Type: Application
    Filed: December 28, 2015
    Publication date: April 28, 2016
    Inventors: Min Gaung Kim, Chang Su Lee
  • Patent number: 9300778
    Abstract: A Bluetooth headset for a mobile phone includes a body configured to transmit and receive a signal to and from a mobile phone via Bluetooth communication. The body is connected to at least one of a Subscriber Identification Module (SIM) card and a Universal SIM (USIM) card, and is further configured to obtain subscriber information from the one of the SIM card and the USIM card to provide the obtained subscriber information to the mobile phone.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: March 29, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-Su Lee, Oh-Hyuck Kwon, Seung-Joo Lee
  • Publication number: 20120094602
    Abstract: A Bluetooth headset for a mobile phone includes a body configured to transmit and receive a signal to and from a mobile phone via Bluetooth communication. The body is connected to at least one of a Subscriber Identification Module (SIM) card and a Universal SIM (USIM) card, and is further configured to obtain subscriber information from the one of the SIM card and the USIM card to provide the obtained subscriber information to the mobile phone.
    Type: Application
    Filed: September 23, 2011
    Publication date: April 19, 2012
    Inventors: Chang-Su Lee, Oh-Hyuck Kwon, Seung-Joo Lee
  • Patent number: 8065366
    Abstract: Disclosed are a system and method for distributing a blog post based on personal networking, and a server to be applied thereto. The system includes a writer terminal unit, which makes a series of settings for forming a blog post containing contents posted by a writer through the writer's blog registered with an online community service, and then distributes the blog post to at least one or more acquaintances blogs registered to personal networking with the writer, sharer/distributor terminal units, which make setting for posting the blog post on the acquaintances blogs, or distributing the blog post to at least one or more other acquaintances blogs registered to personal networking with sharers/distributors, and a service management server, which differentially provides management authority for the blog post to each of the writer and the sharers/distributors, and integrally manages the blog post distributed to a plurality of blogs, based on a path along which the blog post is distributed.
    Type: Grant
    Filed: October 17, 2008
    Date of Patent: November 22, 2011
    Assignee: SK Telecom Co., Ltd.
    Inventors: Chang-Su Lee, Dong-Chan Lim, Su-Kyung Kim, Sung Kim, Sil-Keun Hwang
  • Patent number: 8025265
    Abstract: A stand for a display device, such as a flat-panel display, selectively accommodates mounting surfaces having disparate orientations with improved stability and durability, to facilitate viewing of the flat-panel display in either of at least two physical states of orientation as necessary or desired, specifically, with respect to both horizontal and vertical mounting surfaces.
    Type: Grant
    Filed: March 25, 2009
    Date of Patent: September 27, 2011
    Assignee: LG Electronics Inc.
    Inventor: Chang Su Lee
  • Publication number: 20110115788
    Abstract: A method and an apparatus for setting a three-Dimensional (3D) effect in a portable terminal are provided. In the method, a 3D effect index for each of a plurality of items forming a display screen or a list is set. A display depth of each item according to the set 3D effect index is controlled when the plurality of items are displayed.
    Type: Application
    Filed: November 15, 2010
    Publication date: May 19, 2011
    Applicant: SAMSUNG ELECTRONICS CO. LTD.
    Inventor: Chang-Su Lee
  • Publication number: 20100250675
    Abstract: Disclosed are a system and method for distributing a blog post based on personal networking, and a server to be applied thereto. The system includes a writer terminal unit, which makes a series of settings for forming a blog post containing contents posted by a writer through the writer's blog registered with an online community service, and then distributes the blog post to at least one or more acquaintances blogs registered to personal networking with the writer, sharer/distributor terminal units, which make setting for posting the blog post on the acquaintances blogs, or distributing the blog post to at least one or more other acquaintances blogs registered to personal networking with sharers/distributors, and a service management server, which differentially provides management authority for the blog post to each of the writer and the sharers/distributors, and integrally manages the blog post distributed to a plurality of blogs, based on a path along which the blog post is distributed.
    Type: Application
    Filed: October 17, 2008
    Publication date: September 30, 2010
    Applicant: SK TELECOM CO., LTD
    Inventors: Chang-Su Lee, Dong-Chan Lim, Su-Kyung Kim, Sung Kim, Sil-Keun Hwang
  • Publication number: 20090179126
    Abstract: A stand for a display device, such as a flat-panel display, selectively accommodates mounting surfaces having disparate orientations with improved stability and durability, to facilitate viewing of the flat-panel display in either of at least two physical states of orientation as necessary or desired, specifically, with respect to both horizontal and vertical mounting surfaces.
    Type: Application
    Filed: March 25, 2009
    Publication date: July 16, 2009
    Inventor: Chang Su Lee