Patents by Inventor Yong Hue Kim

Yong Hue 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).

  • Receiver unit having pressure equilibrium structure and compensation structure for low frequency
    Patent number: 11368784
    Abstract: Disclosed is a receiver unit having a pressure equilibrium structure and a compensation structure for a low frequency, including a receiver including a frame, a magnetic circuit, a voice coil, and a diaphragm, an upper casing covering an upper portion and a side surface of the receiver and having a sound insulation hole, and a lower casing attached to a lower surface of the receiver and coupled to the upper casing, wherein a ventilation recess is provided on an outer surface of the upper casing to allow air to flow between an upper space of the upper casing and a lower space of the lower casing, the receiver includes a back hole, and the lower casing includes a duct connecting the back hole and the lower space of the lower casing.
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: June 21, 2022
    Assignee: EM-TECH CO., LTD.
    Inventor: Yong Hue Kim
  • Receiver Unit having Pressure Equilibrium Structure and Compensation Structure for Low Frequency
    Publication number: 20210144462
    Abstract: Disclosed is a receiver unit having a pressure equilibrium structure and a compensation structure for a low frequency, including a receiver including a frame, a magnetic circuit, a voice coil, and a diaphragm, an upper casing covering an upper portion and a side surface of the receiver and having a sound insulation hole, and a lower casing attached to a lower surface of the receiver and coupled to the upper casing, wherein a ventilation recess is provided on an outer surface of the upper casing to allow air to flow between an upper space of the upper casing and a lower space of the lower casing, the receiver includes a back hole, and the lower casing includes a duct connecting the back hole and the lower space of the lower casing.
    Type: Application
    Filed: November 10, 2020
    Publication date: May 13, 2021
    Inventor: Yong Hue Kim