Patents by Inventor Sangjo Kim

Sangjo Kim 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: 11968382
    Abstract: Disclosed are a display apparatus and a method of controlling the same, the display apparatus including: a video decoder configured to decode a video signal; and an artificial intelligence (AI) scaler including a plurality of filters provided to make an output of a certain filter be used as an input of another filter, and configured to control a resolution of an image by processing the decoded video signal, each of the plurality of filters being selectively turned on or off based on a control signal, the filter being turned on processing the video signal based on a parameter set by learning, and the filter being turned off bypassing and outputting the input video signal.
    Type: Grant
    Filed: February 14, 2022
    Date of Patent: April 23, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sangjo Lee, Sangkwon Na, Doohyun Kim
  • Patent number: 11901797
    Abstract: A cleaner capable of adjusting tension of a belt to connect or disconnect power between a motor and a wheel in the cleaner including the belt transmitting a driving force of the motor to the wheel is provided. A cleaner according to the present disclosure includes a cleaner body, a wheel which movably supports the cleaner body with respect to a floor, a traveling drive motor which is disposed in the cleaner body, a first pulley which is rotated by a driving force of the traveling drive motor, a second pulley which is rotated when the first pulley rotates and rotates the wheel, a belt which connects the first pulley and the second pulley, and a clutch which adjusts tension of the belt to connect or disconnect power between the first pulley and the second pulley.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: February 13, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Seungjin Lee, Sangjo Kim, Sangik Lee
  • Publication number: 20230148695
    Abstract: The present disclosure relates to a clothes folding device including: a loading assembly which pushes in the clothes and seats the clothes on a loading conveyor for transportation; a folding assembly which transports the clothes forward or backward and performs the folding of the clothes; an unloading assembly which is provided below the folding assembly and loads the clothes discharged from the folding assembly. The unloading assembly comprises: an upper unloading layer where the clothes finally folded by the folding assembly is primarily dropped and seated and which comprises an unloading conveyor; a rotation drive unit which drives such that the unloading conveyor rotates; an upper front-rear drive unit which moves the upper unloading layer in a forward and backward direction; a lower unloading layer where the clothes seated on the upper unloading layer are secondarily dropped and seated; and an up and down drive unit which moves the lower unloading layer in an up or down direction.
    Type: Application
    Filed: January 8, 2021
    Publication date: May 18, 2023
    Inventors: Aekyung CHAE, Keunjoo KIM, Hyungkyu YOUK, Sangjo KIM
  • Publication number: 20230090927
    Abstract: The present disclosure relates to a clothes folding device including: a loading assembly which causes the clothes to be pushed-in and seats the clothes on a first folding layer equipped with a conveyor for transport; a folding assembly which performs the folding of the clothes while the pushed-in clothes are transported; and an unloading assembly which is disposed below the folding assembly and loads the clothes discharged by the folding assembly. The loading assembly includes: a seating plate which forms an inclined surface at an inlet and allows the clothes to be seated thereon; a clamp assembly which fixes the clothes and moves the clothes to the first folding layer; and a transport roller which presses the clothes seated on the first folding layer and rotates together with the moving of the clothes while pressing the clothes, and thus, preventing the clothes from being separated. The clamp assembly includes a wheel assembly and a clamp plate which presses inserted clothes from both sides.
    Type: Application
    Filed: December 23, 2020
    Publication date: March 23, 2023
    Inventors: Hyungkyu YOUK, Keunjoo KIM, Sangjo KIM
  • Patent number: 11457782
    Abstract: A robot cleaner includes a body configured to house a suction motor, a nozzle coupled to the body and including a suction port, and a movable unit coupled to the nozzle in front of the suction port. The movable unit is movable between a first position where the movable unit overlaps with the nozzle and a second position where the movable unit protrudes forward from the nozzle.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: October 4, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Changhwa Sun, Sangjo Kim
  • Patent number: 11419470
    Abstract: A cleaner may include a main body configured to be ascendable and descendable with respect to a suspension assembly provided to absorb shocks applied to a wheel assembly, thereby enabling the suspension assembly to continuously absorb shocks even when the height of the main body is adjusted. The cleaner may further include a charging terminal configured to connect to an external docking device to charge the cleaner and provided on a bottom surface of the main body, a drive assembly including a wheel assembly to drive the main body, a height adjuster coupled to the main body to ascend or descend together with the main body and mounted to the drive assembly so as to be ascendable and descendable, and a controller to ascend the height adjuster and raise the main body when the main body is set to be docked with the docking device.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: August 23, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Seungjin Lee, Sangik Lee, Sangjo Kim
  • Patent number: 11253122
    Abstract: A suction nozzle includes a nozzle body including a suction port. The suction nozzle also includes a rotary cleaning unit rotatably mounted in the nozzle body and having a cleaning element for cleaning a floor. Additionally, the suction nozzle includes an anti-winder mounted on the nozzle body and having a plurality of contact parts that overlap a side end of the cleaning element along at least a portion of a rotational path followed by the cleaning element of the rotary cleaning unit when the rotary cleaning unit is rotated.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: February 22, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Changhwa Sun, Sangjo Kim
  • Patent number: 11085815
    Abstract: An apparatus externally detects the presence of a fault or malfunction in a gas turbine using the sound of air passing through vanes. The apparatus includes a sound sensor configured to sense a sound; a signal converter configured to convert the sensed sound into a digital signal; a data processor configured to perform a sound quality evaluation by analyzing a sound quality of the digital signal; and a display configured to display a result of the sound quality evaluation. The gas turbine includes a compressor housed in a compressor casing in which an inlet guide vane (IGV) assembly and a variable guide vane (VGV) assembly are installed. The sound sensor includes a plurality of microphones are installed outside the compressor casing at positions adjacent to at least one of a vane of the IGV assembly and a vane of the VGV assembly.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: August 10, 2021
    Inventor: Sangjo Kim
  • Patent number: 10905301
    Abstract: The present disclosure relates to a cleaner including a cleaner main body having a controller, a wheel cover mounted on the cleaner main body, a driving module coupled to the wheel cover to be movable up and down, a driving wheel coupled to the driving module and configured to be rotatable by receiving driving force from the driving module, a suspension configured to guide the upward and downward movement of the driving module and absorb impacts while the driving module is moved up and down, a link member rotatably installed on the wheel cover, and rotated by being in contact with a protrusion of the driving module when the driving module is moved downward by a preset distance, and a switch pressed in response to the rotation of the link member to transfer a signal to the controller.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: February 2, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyungkyu Youk, Sangjo Kim
  • Publication number: 20200395815
    Abstract: A cleaner capable of adjusting tension of a belt to connect or disconnect power between a motor and a wheel in the cleaner including the belt transmitting a driving force of the motor to the wheel is provided. A cleaner according to the present disclosure includes a cleaner body, a wheel which movably supports the cleaner body with respect to a floor, a traveling drive motor which is disposed in the cleaner body, a first pulley which is rotated by a driving force of the traveling drive motor, a second pulley which is rotated when the first pulley rotates and rotates the wheel, a belt which connects the first pulley and the second pulley, and a clutch which adjusts tension of the belt to connect or disconnect power between the first pulley and the second pulley.
    Type: Application
    Filed: February 20, 2019
    Publication date: December 17, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Seungjin LEE, Sangjo KIM, Sangik LEE
  • Patent number: 10568482
    Abstract: Disclosed is a cleaner having a structure that a supporting member and a cleaning module are coupled to or separated from a cleaner body. The cleaner includes a cleaner body having a module mounting portion; a supporting member inserted and mounted to the module mounting portion, and separated and withdrawn from the module mounting portion, through a bottom part of the cleaner body; and a cleaning module coupled to the supporting member so as to be inserted or withdrawn together with the supporting member when the supporting member is inserted or withdrawn.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: February 25, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Changhwa Sun, Sangjo Kim
  • Patent number: 10548444
    Abstract: A robot cleaner includes: a base body forming a bottom part of a cleaner body; a first wheel module and a second wheel module installed to be spaced apart from each other, and configured to moveably support the base body; a suction motor module and a battery module provided between the first and second wheel modules; and a suction nozzle module provided at a front side of the suction motor module and the battery module, and configured to suck air of a region to be cleaned, wherein a plurality of module accommodation portions which are open towards a lower side of the robot cleaner are formed at the base body, and wherein the first wheel module, the second wheel module, the suction motor module, the battery module, and the suction nozzle module are inserted into the module accommodation portions, respectively, in parallel to each other.
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: February 4, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Changhwa Sun, Sangjo Kim
  • Patent number: 10531778
    Abstract: A vacuum cleaner includes a cleaner body; a suction unit connected with the cleaner body, sucking dust and air, guiding the sucked dust and air to the cleaner body, and having a handle; a moving unit including a wheel and a motor for driving the wheel to automatically move the cleaner body; and a clutch unit connecting the motor and the wheel or releasing the connection of the motor and the wheel according to an operational state of the cleaner body. The clutch unit includes a sun gear connected with the motor, a ring gear connected with the wheel, a plurality of fixed planetary gears disposed to be spaced apart each other between the sun gear and the ring gear, and a moving planetary gear which may transmit a rotational force transmitted to the sun gear to one gear of the plurality of fixed planetary gears.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: January 14, 2020
    Assignee: LG Electronics Inc.
    Inventors: Hyungkyu Youk, Sangjo Kim
  • Patent number: 10463212
    Abstract: A robot cleaner comprising: a first housing including a controller and a driving wheel of which driving is controlled by the controller; a second housing provided at one side of the first housing, the second housing having a brush module or mop module mounted thereto; a front bumper provided at a front portion of the second housing, the front bumper configured to be movable to the inside of the second housing when the front bumper is in contact with an obstacle; at least one sensing means provided at the inside of the front bumper to sense a movement of the front bumper to the inside of the second housing; side bumpers respectively provided at left and right side portions of the second housing, the side bumpers each being configured to movable to the inside of the second housing when the side bumper is in contact with an obstacle; and a link member provided at the inside of the side bumper to allow the side bumper and the front bumper to interlock with each other such that, when the side bumper is moved to th
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: November 5, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Bohyun Nam, Inbo Shim, Jihoon Sung, Sojin Park, Seunghyun Song, Sangkyu Lee, Woochan Jun, Changhwa Sun, Hyungkyu Youk, Sangjo Kim
  • Publication number: 20190284955
    Abstract: An apparatus externally detects the presence of a fault or malfunction in a gas turbine using the sound of air passing through vanes. The apparatus includes a sound sensor configured to sense a sound; a signal converter configured to convert the sensed sound into a digital signal; a data processor configured to perform a sound quality evaluation by analyzing a sound quality of the digital signal; and a display configured to display a result of the sound quality evaluation. The gas turbine includes a compressor housed in a compressor casing in which an inlet guide vane (IGV) assembly and a variable guide vane (VGV) assembly are installed. The sound sensor includes a plurality of microphones are installed outside the compressor casing at positions adjacent to at least one of a vane of the IGV assembly and a vane of the VGV assembly.
    Type: Application
    Filed: January 7, 2019
    Publication date: September 19, 2019
    Inventor: Sangjo KIM
  • Publication number: 20190239710
    Abstract: A cleaner may include a main body configured to be ascendable and descendable with respect to a suspension assembly provided to absorb shocks applied to a wheel assembly, thereby enabling the suspension assembly to continuously absorb shocks even when the height of the main body is adjusted. The cleaner may further include a charging terminal configured to connect to an external docking device to charge the cleaner and provided on a bottom surface of the main body, a drive assembly including a wheel assembly to drive the main body, a height adjuster coupled to the main body to ascend or descend together with the main body and mounted to the drive assembly so as to be ascendable and descendable, and a controller to ascend the height adjuster and raise the main body when the main body is set to be docked with the docking device.
    Type: Application
    Filed: February 1, 2019
    Publication date: August 8, 2019
    Inventors: Seungjin LEE, Sangik LEE, Sangjo KIM
  • Publication number: 20190231155
    Abstract: A suction nozzle includes a nozzle body including a suction port. The suction nozzle also includes a rotary cleaning unit rotatably mounted in the nozzle body and having a cleaning element for cleaning a floor. Additionally, the suction nozzle includes an anti-winder mounted on the nozzle body and having a plurality of contact parts that overlap a side end of the cleaning element along at least a portion of a rotational path followed by the cleaning element of the rotary cleaning unit when the rotary cleaning unit is rotated.
    Type: Application
    Filed: January 24, 2019
    Publication date: August 1, 2019
    Applicant: LG Electronics Inc.
    Inventors: Changhwa SUN, Sangjo KIM
  • Publication number: 20190231156
    Abstract: A robot cleaner includes a body configured to house a suction motor, a nozzle coupled to the body and including a suction port, and a movable unit coupled to the nozzle in front of the suction port. The movable unit is movable between a first position where the movable unit overlaps with the nozzle and a second position where the movable unit protrudes forward from the nozzle.
    Type: Application
    Filed: January 28, 2019
    Publication date: August 1, 2019
    Applicant: LG Electronics Inc.
    Inventors: Changhwa SUN, Sangjo KIM
  • Patent number: 10362921
    Abstract: The present disclosure relates to a cleaner including a cleaner main body having a controller, a wheel cover mounted on the cleaner main body, a driving module coupled to the wheel cover to be movable up and down, a driving wheel coupled to the driving module and configured to be rotatable by receiving driving force from the driving module, a guide bar coupled to the wheel cover and provided in an up and down direction, the guide bar being inserted through the driving module to guide the upward and downward movement of the driving module, and an elastic member surrounding the guide bar and connected to the wheel cover and the driving module, respectively, to absorb impacts while the driving module is moved up and down.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: July 30, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyungkyu Youk, Sangjo Kim
  • Patent number: 10258212
    Abstract: A cleaner includes: a cleaner body having therein a module mounting portion; a rotation driving portion provided at one side of the module mounting portion; and a cleaning module detachably mounted to the module mounting portion through one side of the cleaner body, wherein the cleaning module includes: a holder linearly inserted into or withdrawn from the module mounting portion in a side direction of the cleaner body; and a cleaning member supported by the holder so as to be inserted or withdrawn into or from the module mounting portion, together with the holder when the holder is inserted thereinto or withdrawn therefrom, and the cleaning member rotated by a driving force provided from the rotation driving portion.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: April 16, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Bohyun Nam, Inbo Shim, Jihoon Sung, Sojin Park, Seunghyun Song, Sangkyu Lee, Changhwa Sun, Sangjo Kim