Patents by Inventor Chang Hwan HYUN
Chang Hwan HYUN 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: 20240157708Abstract: The present disclosure relates to a portable printer and a portable printing system including: a main body in a portable form configured to accommodate a cartridge including a nozzle that prints an image by delivering a printing material to a target having a soft or hard surface; a seating part that is provided to be exposed to an outside from a lower portion of the main body to face a surface of the target and surrounds the nozzle at least partially; a roller provided at each of the front and rear of the nozzle at the lower portion of the main body, based on a direction in which the main body moves along the surface of the target to deliver the printing material to the target; and a magnetic body configured to rotate in correspondence with rotation of the roller.Type: ApplicationFiled: February 3, 2023Publication date: May 16, 2024Applicant: LG H&H CO., LTD.Inventors: Hee Seon JEONG, Jung Yong LEE, Chang Hwan HYUN
-
Publication number: 20240109350Abstract: The present disclosure relates to a portable printer including a main body in a portable form which is capable of accommodating a cartridge having a nozzle for delivering a printing material to a target having a soft or hard surface, a seating part which is provided to be exposed to an outside from a lower portion of the main body to face the surface of the target and at least partially surrounds the nozzle, a roller provided respectively at the front and rear of the nozzle at the lower portion of the main body with respect to a direction in which the main body moves along the surface of the target to deliver the printing material to the target, and a printing adjustment unit configured to adjust a height difference between the nozzle and the roller to adjust a height difference between the nozzle and the surface of the target.Type: ApplicationFiled: October 20, 2022Publication date: April 4, 2024Applicant: LG HOUSEHOLD & HEALTH CARE LTD.Inventors: Chang Hwan HYUN, Ji Hee LEE, Kang Ug LEE, Sung Hyoun JANG, Hyeon Jin KWEON, Hae Na CHEONG, Ji Hee JEONG, Jung Yong LEE, Ha Young KIM
-
Patent number: 11793291Abstract: A rotary type linear reciprocating motion device includes: a driving part rotatably driven by a motor; a rotating part installed at one surface of the driving part, the rotating part transferring a rotational force of the driving part to an applicator; and a reciprocating part installed at the other surface of the driving part, the reciprocating part converting the rotational force of the driving part into a linear reciprocating motion force, the reciprocating part transferring the linear reciprocating motion force to the applicator. The driving part includes: a driving plate having both surfaces at which the rotating part and the reciprocating part are respectively installed; and a driving belt installed at an edge of the driving plate, the driving belt being in contact with a motor shaft of the motor to allow a driving force of the motor to be transferred to the driving plate by a frictional force.Type: GrantFiled: April 5, 2021Date of Patent: October 24, 2023Assignees: LG HOUSEHOLD & HEALTH CARE LTD.Inventors: Chang Hwan Hyun, Hae Chang Lee, Kyung Won Kim, Eun Mi Kim
-
Publication number: 20230263694Abstract: The present disclosure relates to a cosmetic device and a cosmetic device which massages skin while a plurality of massage tools rotate eccentrically by operation of a motor is characterized by including an abnormality detector configured to generate an abnormal signal when an abnormality occurs in the motor or each of the plurality of massage tools, and a reverse unit configured to operate according to the abnormal signal, wherein the reverse unit is configured to perform an auto-reverse function of eccentrically rotating the eccentric rotation of the plurality of massage tools at a predetermined angle in an opposite direction.Type: ApplicationFiled: January 12, 2021Publication date: August 24, 2023Applicant: LG HOUSEHOLD & HEALTH CARE LTD.Inventors: Chang Hwan HYUN, Kyung Won KIM
-
Publication number: 20230190429Abstract: The present disclosure relates to an oral irrigator including: a storage unit configured to store water; a pumping unit configured to pump water of the storage unit; a nozzle unit configured to inject the water pressurized by the pumping unit into an oral cavity; and a controller configured to control of the pumping unit, wherein the controller is configured to store a pattern in which an initial stage of gradually increasing load of the pumping unit, a preliminary cleaning stage of maintaining an injection pressure at a first pressure , a full-scale cleaning stage of maintaining the injection pressure higher than the first pressure and a final cleaning stage of maintaining the injection pressure at a third pressure lower than the second pressure and the load of the pumping unit is automatically controlled based on the pattern according to a one-time input of an operation signal.Type: ApplicationFiled: December 9, 2022Publication date: June 22, 2023Applicant: LG HOUSEHOLD & HEALTH CARE LTD.Inventors: Chang Hwan HYUN, Seon Ung MIN, Eun Mi KIM, Ki Jung KIM
-
Publication number: 20230132625Abstract: An electrostatic cleaning device includes: a static electricity generator configured to generate static electricity; a handle part connected to one side of the static electricity generator; and a cleaning tool adapted to be assembled to and disassembled from the static electricity generator. The static electricity generator includes a first electrified body part configured as a donut-shaped case and configured to deliver a negative charge to the cleaning tool; a belt rotatably installed in an inner space of the first electrified body part and configured to transfer the negative charge; and a second electrified body part configured to supply the negative charge to the belt.Type: ApplicationFiled: August 24, 2022Publication date: May 4, 2023Applicant: LG HOUSEHOLD & HEALTH CARE LTD.Inventors: Chang Hwan HYUN, Eun Mi KIM, Yoon Ji CHOI, Jung Yong LEE
-
Publication number: 20220240642Abstract: A vibrating module and a makeup tool including the vibrating module are proposed. The vibrating module includes a vibration device detachably attached to a makeup tool and attached to the makeup tool to transfer vibration, and a handle component coupled with the vibration device, made in the form of a pair of folding wings, and configured to drive the vibration device when the first and second wings are folded and contact each other.Type: ApplicationFiled: June 18, 2020Publication date: August 4, 2022Applicant: LG HOUSEHOLD & HEALTH CARE LTD.Inventors: Chang Hwan HYUN, Hyeon Jeong KIM
-
Publication number: 20220039535Abstract: A rotary type linear reciprocating motion device includes: a driving part rotatably driven by a motor; a rotating part installed at one surface of the driving part, the rotating part transferring a rotational force of the driving part to an applicator; and a reciprocating part installed at the other surface of the driving part, the reciprocating part converting the rotational force of the driving part into a linear reciprocating motion force, the reciprocating part transferring the linear reciprocating motion force to the applicator. The driving part includes: a driving plate having both surfaces at which the rotating part and the reciprocating part are respectively installed; and a driving belt installed at an edge of the driving plate, the driving belt being in contact with a motor shaft of the motor to allow a driving force of the motor to be transferred to the driving plate by a frictional force.Type: ApplicationFiled: April 5, 2021Publication date: February 10, 2022Applicants: LG HOUSEHOLD & HEALTH CARE LTD.Inventors: Chang Hwan HYUN, Hae Chang LEE, Kyung Won KIM, Eun Mi KIM