Patents by Inventor Eun Min PARK

Eun Min PARK 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: 12224643
    Abstract: There is provided a composite oil seal having an electric corrosion prevention function, which is mounted on a shaft in a motor housing to prevent leakage of oil in the motor housing. The composite oil seal includes a seal main body, which is formed of an elastic material and has an outer circumferential surface formed to be in tight contact with an inner circumferential surface of the motor housing and at least one lip protruding inwards so as to be in contact with an outer circumferential surface of the shaft, and an electrical path fabric, which is formed by weaving metallic yarns and is mounted to the seal main body to electrically connect the shaft to the motor housing so that current induced in the shaft flows to the motor housing.
    Type: Grant
    Filed: May 17, 2023
    Date of Patent: February 11, 2025
    Assignee: PYUNGHWA OIL SEAL INDUSTRY CO., LTD.
    Inventors: Tae-Hyung Kim, Eun-Min Park, Jae-Hyuk Sung
  • Publication number: 20240364189
    Abstract: An anti-electrolytic corrosion conductive ring includes a backplate located between a rotary shaft and a motor housing and fixed to the motor housing and a metallic yarn fabric member mounted to the backplate and made of metallic yarns electrically connecting the motor housing to the rotary shaft. A current induced in the rotary shaft flows to the motor housing through the metallic yarn fabric member.
    Type: Application
    Filed: January 5, 2024
    Publication date: October 31, 2024
    Applicant: PYUNGHWA OIL SEAL INDUSTRY CO., LTD.
    Inventor: EUN MIN PARK
  • Publication number: 20240250575
    Abstract: There is provided a composite oil seal having an electric corrosion prevention function, which is mounted on a shaft in a motor housing to prevent leakage of oil in the motor housing. The composite oil seal includes a seal main body, which is formed of an elastic material and has an outer circumferential surface formed to be in tight contact with an inner circumferential surface of the motor housing and at least one lip protruding inwards so as to be in contact with an outer circumferential surface of the shaft, and an electrical path fabric, which is formed by weaving metallic yarns and is mounted to the seal main body to electrically connect the shaft to the motor housing so that current induced in the shaft flows to the motor housing.
    Type: Application
    Filed: May 17, 2023
    Publication date: July 25, 2024
    Applicant: PYUNGHWA OIL SEAL INDUSTRY CO., LTD.
    Inventors: Tae-Hyung KIM, Eun-Min PARK, Jae-Hyuk SUNG
  • Patent number: 10920451
    Abstract: A digital door lock, and more particularly, an interface module device of a digital door lock is provided, which is capable of adjusting and aligning a position of a fastening bolt of the digital door lock so as to match fastening positions of a variety of locking devices while using a previously-installed locking device as it is. Accordingly, an interface module device for a door lock is provided, which includes a bracket, an interface bracket fastened with the bracket, and an interval alignment disposed between the bracket and the interface bracket to adjust an interval between fastening nuts inserted into fastening holes of the locking device.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: February 16, 2021
    Assignee: AMADAS CO., LTD.
    Inventors: Eun Min Park, Sang Woo Jung
  • Patent number: 10794090
    Abstract: The present invention relates to an input device for a door lock, and specifically to an input device for a door lock wherein an input unit capable of recognizing a touch input and a push input at the same time is installed on a door lock lever. To this end, the input device for a door lock according to the present invention comprises: an input unit for generating an input signal by recognizing a touch input and a push input at the same time; and a door lock control unit for setting the door lock to a power-saving mode if the input signal is not received from the input unit for at least a predetermined period of time, and cancelling the power-saving mode if touch input signals are sequentially received from the input unit while the power-saving mode is set.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: October 6, 2020
    Assignee: AMADAS CO., LTD.
    Inventors: Eun-Min Park, Sang-Woo Jung, Gi-Young Kim
  • Patent number: 10727682
    Abstract: The present invention relates to an emergency charging device and method for a door lock and specifically to an emergency charging device and method for a door lock, capable of: charging a secondary battery by means of light or a battery in a regular charging mode in which the battery is not discharged and, at the same time, operating the door lock by means of the battery or the secondary battery according to the amount of charge; and operating the door lock in an emergency manner by urgently charging the secondary battery by means of light in an emergency charging mode in which the battery is discharged.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: July 28, 2020
    Assignee: AMADAS CO., LTD.
    Inventors: Eun-Min Park, Sang-Woo Jung, Gi-Young Kim
  • Publication number: 20190368230
    Abstract: The present invention relates to an input device for a door lock, and specifically to an input device for a door lock wherein an input unit capable of recognizing a touch input and a push input at the same time is installed on a door lock lever. To this end, the input device for a door lock according to the present invention comprises: an input unit for generating an input signal by recognizing a touch input and a push input at the same time; and a door lock control unit for setting the door lock to a power-saving mode if the input signal is not received from the input unit for at least a predetermined period of time, and cancelling the power-saving mode if touch input signals are sequentially received from the input unit while the power-saving mode is set.
    Type: Application
    Filed: January 21, 2016
    Publication date: December 5, 2019
    Applicant: AMADAS Co., LTD.
    Inventors: Eun-Min PARK, Sang-Woo JUNG, Gi-Young KIM
  • Patent number: 10403277
    Abstract: The present invention relates to a method and an apparatus for information search and, specifically, to a method and an apparatus for information search using voice recognition, which, when voice data inputted through a microphone is present in a user-defined database and is repeatedly inputted, searches for information corresponding to the voice data and provides the information to a user.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: September 3, 2019
    Assignee: AMADAS CO., LTD.
    Inventors: Eun-Min Park, Sang-Woo Jung, Gi-Young Kim
  • Publication number: 20190027951
    Abstract: The present invention relates to an emergency charging device and method for a door lock and specifically to an emergency charging device and method for a door lock, capable of: charging a secondary battery by means of light or a battery in a regular charging mode in which the battery is not discharged and, at the same time, operating the door lock by means of the battery or the secondary battery according to the amount of charge; and operating the door lock in an emergency manner by urgently charging the secondary battery by means of light in an emergency charging mode in which the battery is discharged.
    Type: Application
    Filed: January 21, 2016
    Publication date: January 24, 2019
    Inventors: Eun-Min PARK, Sang-Woo JUNG, Gi-Young KIM
  • Publication number: 20180137859
    Abstract: The present invention relates to a method and an apparatus for information search and, specifically, to a method and an apparatus for information search using voice recognition, which, when voice data inputted through a microphone is present in a user-defined database and is repeatedly inputted, searches for information corresponding to the voice data and provides the information to a user.
    Type: Application
    Filed: March 4, 2016
    Publication date: May 17, 2018
    Applicant: AMADAS Co., Ltd.
    Inventors: Eun-Min PARK, Sang-Woo JUNG, Gi-Young KIM
  • Publication number: 20180128013
    Abstract: A digital door lock, and more particularly, an interface module device of a digital door lock is provided, which is capable of adjusting and aligning a position of a fastening bolt of the digital door lock so as to match fastening positions of a variety of locking devices while using a previously-installed locking device as it is. Accordingly, an interface module device for a door lock is provided, which includes a bracket, an interface bracket fastened with the bracket, and an interval alignment disposed between the bracket and the interface bracket to adjust an interval between fastening nuts inserted into fastening holes of the locking device.
    Type: Application
    Filed: November 7, 2017
    Publication date: May 10, 2018
    Applicant: AMADAS Co., LTD.
    Inventors: Eun Min PARK, Sang Woo JUNG