Patents by Inventor Won-kyu Lim

Won-kyu Lim 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: 20220406802
    Abstract: A non-volatile memory device, includes a source region and a drain region disposed in a channel length direction on a substrate; a flash cell, including a floating gate and a control gate, disposed between the source region and the drain region; a selection gate disposed between the source region and the flash cell; a selection line connecting the selection gate; a word line connecting the control gate; a common source line connected to the source region; and a bit line connected to the drain region.
    Type: Application
    Filed: December 23, 2021
    Publication date: December 22, 2022
    Applicant: KEY FOUNDRY CO., LTD.
    Inventors: Jin Shik CHOI, Su Jin KIM, Won Kyu LIM
  • Patent number: 11452411
    Abstract: A robot cleaner motor assembly including: a fan motor and a fan motor casing including an exhaust passage for guiding, to an exhaust port, air discharged from the fan motor, wherein the exhaust passage includes: a first exhaust passage guiding the air such that the air, discharged from a discharge port of the fan motor, moves to an upper or lower side of the fan motor; a second exhaust passage guiding, to a front end of the fan motor, the air discharged from the first exhaust passage; a third exhaust passage guiding the air such that the air, discharged from the second exhaust passage, moves to the lower or upper side of the fan motor along left and right sides of the fan motor; and a fourth exhaust passage guiding, to an exhaust port, the air having moved along the left and right sides of the third exhaust passage.
    Type: Grant
    Filed: January 10, 2017
    Date of Patent: September 27, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byoung-In Lee, Byung-Chan Kim, Woo-Ram Oh, Won-Kyu Lim, Kyung-Han Jeong
  • Patent number: 11452422
    Abstract: A cleaner includes a first extension pipe connected to a suction portion contacting a surface to be cleaned, and a second extension pipe coupled to a cleaner body having a driver generating suction force, and rotatably coupled to the first extension pipe. The first and second extension pipes operate in a first arrangement configured to allow the second extension pipe to be arranged in a longitudinal direction of the first extension pipe, and a second arrangement configured to allow the second extension pipe to rotate in a first direction from the first arrangement such that the first extension pipe and the second extension pipe are arranged to face each other. Such configuration enables a user to increase cleaning efficiency.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: September 27, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Gwang Kim, Dong Hyun Lee, Won Kyu Lim
  • Patent number: 11324373
    Abstract: Disclosed herein is a cleaning robot capable of allowing a driving apparatus to move along a cleaning apparatus when the cleaning apparatus is separated from the driving apparatus, and a controlling method thereof. In addition, a cleaning robot having a driving apparatus capable of storing a position from which a cleaning apparatus is separated when the cleaning apparatus is separated from the driving apparatus, and capable of moving to the stored position when the cleaning apparatus is mounted to the driving apparatus, and a controlling method thereof. The cleaning robot includes a driving apparatus provided with a mounting groove configured to allow a cleaning apparatus to be removably mounted, and the cleaning apparatus removably mounted to the mounting groove.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: May 10, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byoung In Lee, Shin Kim, Byung Chan Kim, Woo Ram Oh, Kyung Han Jeong, Won Kyu Lim
  • Patent number: 11280889
    Abstract: A distance measuring sensor assembly and an electronic device having the same, the sensor assembly including: a housing; a first lens provided at an upper part of the housing; a sensor module provided inside the housing, and having a light emitting part aligned with the first lens and emitting light toward an object, and a light receiving part disposed to be adjacent to the light emitting part. A reception part is provided at the upper part of the housing and spaced apart from the first lens. The light reflected from the object enters through the reception part. A second lens is provided at a lower part of the reception part and refracts the light entering from the reception part, and an optical waveguide part coupled to the second lens is used to guide the light having transmitted from the second lens to the light receiving part.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: March 22, 2022
    Assignee: MOSTOP CO., LTD.
    Inventors: Seung Soo Lee, Won Kyu Lim, Kyung Eui Hong, Yi Hyun Nam, Keun Won Lee
  • Publication number: 20210219803
    Abstract: Disclosed herein is a cleaning robot capable of allowing a driving apparatus to move along a cleaning apparatus when the cleaning apparatus is separated from the driving apparatus, and a controlling method thereof. In addition, a cleaning robot having a driving apparatus capable of storing a position from which a cleaning apparatus is separated when the cleaning apparatus is separated from the driving apparatus, and capable of moving to the stored position when the cleaning apparatus is mounted to the driving apparatus, and a controlling method thereof. The cleaning robot includes a driving apparatus provided with a mounting groove configured to allow a cleaning apparatus to be removably mounted, and the cleaning apparatus removably mounted to the mounting groove.
    Type: Application
    Filed: May 23, 2017
    Publication date: July 22, 2021
    Inventors: Byoung In LEE, Shin KIM, Byung Chan KIM, Woo Ram OH, Kyung Han JEONG, Won Kyu LIM
  • Patent number: 11006794
    Abstract: A cleaner comprises a cleaner main body, a first main body formed in a spherical shape and a second main body protruding from the front of the first main body such that the width at a second point located forward of a first point is smaller than the width at the first point.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: May 18, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Jun Cho, Won Kyu Lim
  • Patent number: 11006801
    Abstract: A cleaning apparatus comprises a cleaner module provided with a module mounting portion, a wireless cleaning module removably mounted to the cleaner module, and a wired cleaning module provided with a canister, a connection hose connected from the canister to the cleaner, and a connector provided in the connection hose to be removably mounted to the cleaner module. A wired cleaning mode using the wired cleaning module and a wireless cleaning mode using the wireless cleaning module are selectively operated by mounting one of the connector of the wired cleaning module and the wireless cleaning module, to the module mounting portion.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: May 18, 2021
    Assignee: SAMSUG ELECTRONICS CO., LTD.
    Inventors: Tae Gwang Kim, Jae Shik Jeong, Dong Hyun Lee, Won Kyu Lim
  • Publication number: 20200278424
    Abstract: An embodiment of the present invention may provide a distance measurement sensor including: a housing including a first hollow unit formed to be opened toward a top at one end, and a second hollow unit formed to be opened toward the top at the other end; a sensor package disposed in the housing and located under the first hollow unit; a light guide disposed in the housing and located between the second hollow unit and the sensor package to transfer light entering the second hollow unit to the sensor package; and a lens unit located in at least one among the first hollow unit and the second hollow unit.
    Type: Application
    Filed: September 28, 2018
    Publication date: September 3, 2020
    Inventors: Seung Soo LEE, Yi Hyun NAM, Kyung Eui HONG, Won Kyu LIM
  • Publication number: 20200245834
    Abstract: Provided is a cyclone dust collector with improved usability, a vacuum cleaner having the cyclone dust collector, and a handy-stick type vacuum cleaner having the cyclone dust collector. The handy-stick type vacuum cleaner includes the cyclone dust collector. The cyclone dust collector includes a suction duct configured to suction air in a first direction and provided with an air suction passage formed therein, a cyclone chamber configured to separate dust from air introduced through the suction duct by turning the air, and provided with a grille rotatably formed therein, and a dust collection chamber configured to collect the dust separated from the air in the cyclone chamber in a second direction opposite to the first direction.
    Type: Application
    Filed: July 30, 2018
    Publication date: August 6, 2020
    Inventors: Dong jin CHO, Yun Soo JANG, Won Kyu LIM, Han Jun SUNG
  • Publication number: 20200077856
    Abstract: A cleaning apparatus comprises a cleaner module provided with a module mounting portion, a wireless cleaning module removably mounted to the cleaner module, and a wired cleaning module provided with a canister, a connection hose connected from the canister to the cleaner, and a connector provided in the connection hose to be removably mounted to the cleaner module. A wired cleaning mode using the wired cleaning module and a wireless cleaning mode using the wireless cleaning module are selectively operated by mounting one of the connector of the wired cleaning module and the wireless cleaning module, to the module mounting portion.
    Type: Application
    Filed: November 7, 2017
    Publication date: March 12, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Gwang KIM, Jae Shik JEONG, Dong Hyun LEE, Won Kyu LIM
  • Patent number: 10537220
    Abstract: A vacuum cleaner disclosed that includes a cyclone dust collector. The vacuum cleaner includes a cyclone chamber configured to whirl air introduced from an inlet part to separate dust from the air and including an outlet part provided to discharge the air from which dust is separated from the cyclone chamber. The vacuum cleaner also includes a grill rotatably provided at the outlet part. The vacuum cleaner also includes a rotor including a first fan and a second fan configured to generate an air flow in a direction opposite an air flow direction of the first fan. The vacuum cleaner further includes a case in which the rotor is rotatable accommodated with a gap provided between the grill and the case. The case includes a plurality of holes, and includes a dust removal flow path to discharge air introduced from the plurality of holes through the gap.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: January 21, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong Jin Cho, Yun Soo Jang, Han Jun Sung, Won Kyu Lim
  • Patent number: 10478034
    Abstract: A cleaning apparatus includes a dust collector detachably installed at a cleaning stick. The dust collector includes a cyclone unit to generate a cyclone stream and a dust collecting unit to collect foreign matter. In this structure, a dust collecting efficiency of the dust collector may be increased, and a load of a cleaning apparatus body may be reduced.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: November 19, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung Gyun Han, Shin Kim, Won Kyu Lim
  • Publication number: 20190320864
    Abstract: A cleaner includes a first extension pipe connected to a suction portion contacting a surface to be cleaned, and a second extension pipe coupled to a cleaner body having a driver generating suction force, and rotatably coupled to the first extension pipe. The first and second extension pipes operate in a first arrangement configured to allow the second extension pipe to be arranged in a longitudinal direction of the first extension pipe, and a second arrangement configured to allow the second extension pipe to rotate in a first direction from the first arrangement such that the first extension pipe and the second extension pipe are arranged to face each other. Such configuration enables a user to increase cleaning efficiency.
    Type: Application
    Filed: November 7, 2017
    Publication date: October 24, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae Gwang KIM, Dong Hyun LEE, Won Kyu LIM
  • Publication number: 20190154813
    Abstract: A distance measuring sensor assembly and an electronic device having the same, the sensor assembly including: a housing; a first lens provided at an upper part of the housing; a sensor module provided inside the housing, and having a light emitting part aligned with the first lens and emitting light toward an object, and a light receiving part disposed to be adjacent to the light emitting part. A reception part is provided at the upper part of the housing and spaced apart from the first lens. The light reflected from the object enters through the reception part. A second lens is provided at a lower part of the reception part and refracts the light entering from the reception part, and an optical waveguide part coupled to the second lens is used to guide the light having transmitted from the second lens to the light receiving part.
    Type: Application
    Filed: April 6, 2017
    Publication date: May 23, 2019
    Inventors: Seung Soo LEE, Won Kyu LIM, Kyung Eui HONG, Yi Hyun NAM, Keun Won LEE
  • Patent number: 10213078
    Abstract: A nozzle assembly for a vacuum cleaner includes a driving member including a first driving shaft and a second driving shaft in both sides thereof, a first drum of which one end is coupled to the first driving shaft to be driven by directly receiving driving force of the first driving shaft, and a second drum of which one end is coupled to the second driving shaft to be driven by directly receiving driving force of the second driving shaft.
    Type: Grant
    Filed: November 21, 2016
    Date of Patent: February 26, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Shin Kim, Sok-won Paik, Won-kyu Lim, Jae-min Lee, Hyun-ju Lee, Young-sung Jung, Jung-su Ha
  • Publication number: 20190045991
    Abstract: A robot cleaner motor assembly including: a fan motor and a fan motor casing including an exhaust passage for guiding, to an exhaust port, air discharged from the fan motor, wherein the exhaust passage includes: a first exhaust passage guiding the air such that the air, discharged from a discharge port of the fan motor, moves to an upper or lower side of the fan motor; a second exhaust passage guiding, to a front end of the fan motor, the air discharged from the first exhaust passage; a third exhaust passage guiding the air such that the air, discharged from the second exhaust passage, moves to the lower or upper side of the fan motor along left and right sides of the fan motor; and a fourth exhaust passage guiding, to an exhaust port, the air having moved along the left and right sides of the third exhaust passage.
    Type: Application
    Filed: January 10, 2017
    Publication date: February 14, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byoung-in LEE, Byung-chan KIM, Woo-ram OH, Won-kyu LIM, Kyung-han JEONG
  • Publication number: 20190029481
    Abstract: A cleaner comprises a cleaner main body, a first main body formed in a spherical shape and a second main body protruding from the front of the first main body such that the width at a second point located forward of a first point is smaller than the width at the first point.
    Type: Application
    Filed: February 3, 2017
    Publication date: January 31, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Young Jun CHO, Won Kyu LIM
  • Publication number: 20180160871
    Abstract: A vacuum cleaner disclosed that includes a cyclone dust collector. The vacuum cleaner includes a cyclone chamber configured to whirl air introduced from an inlet part to separate dust from the air and including an outlet part provided to discharge the air from which dust is separated from the cyclone chamber. The vacuum cleaner also includes a grill rotatably provided at the outlet part. The vacuum cleaner also includes a rotor including a first fan and a second fan configured to generate an air flow in a direction opposite an air flow direction of the first fan. The vacuum cleaner further includes a case in which the rotor is rotatable accommodated with a gap provided between the grill and the case. The case includes a plurality of holes, and includes a dust removal flow path to discharge air introduced from the plurality of holes through the gap.
    Type: Application
    Filed: December 12, 2017
    Publication date: June 14, 2018
    Inventors: Dong Jin CHO, Yun Soo JANG, Han Jun SUNG, Won Kyu LIM
  • Patent number: D830655
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: October 9, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae-Kwang Kim, Dong-Hyun Lee, Won-Kyu Lim