Patents by Inventor Eon Mo AHN

Eon Mo AHN 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: 10508828
    Abstract: This technology provides a splitter comprising: a first sound absorber; a second sound absorber; a perforated plate member interposed between the first sound absorber and the second sound absorber; and an outer frame surrounding the first sound absorber, the second sound absorber and the perforated plate member; and a sound attenuator comprising: a protective case; a plurality of splitters according to above embodiment formed in the protective case and spaced from each other; and an air passage formed among the plurality of splitters.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: December 17, 2019
    Assignees: S.I.PAN, KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Gab Cheol Jeong, Eon Mo Ahn, Jong Young Park, Sung Soo Jung
  • Patent number: 10510331
    Abstract: This technology provides a sound absorbing structure comprising: an outer frame including an opening; a perforated plate member formed in the outer frame and including a rear surface facing the opening of the outer frame and a front surface opposite to the rear surface; and a rear sound absorber interposed between the rear surface of the perforated plate member and the opening of the outer frame, and an anechoic chamber comprising: a wall, a ceiling and a floor; and a plurality of sound absorbing structures of the embodiment fixed to at least the wall and the ceiling.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: December 17, 2019
    Assignees: S.I.PAN, KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE
    Inventors: Gab Cheol Jeong, Eon Mo Ahn, Jong Young Park, Sung Soo Jung
  • Publication number: 20180240451
    Abstract: This technology provides a sound absorbing structure comprising: an outer frame including an opening; a perforated plate member formed in the outer frame and including a rear surface facing the opening of the outer frame and a front surface opposite to the rear surface; and a rear sound absorber interposed between the rear surface of the perforated plate member and the opening of the outer frame, and an anechoic chamber comprising: a wall, a ceiling and a floor; and a plurality of sound absorbing structures of the embodiment fixed to at least the wall and the ceiling.
    Type: Application
    Filed: May 9, 2017
    Publication date: August 23, 2018
    Inventors: Gab Cheol JEONG, Eon Mo AHN, Jong Young PARK, Sung Soo JUNG
  • Publication number: 20180238583
    Abstract: This technology provides a splitter comprising: a first sound absorber; a second sound absorber; a perforated plate member interposed between the first sound absorber and the second sound absorber; and an outer frame surrounding the first sound absorber, the second sound absorber and the perforated plate member; and a sound attenuator comprising: a protective case; a plurality of splitters according to above embodiment formed in the protective case and spaced from each other; and an air passage formed among the plurality of splitters.
    Type: Application
    Filed: May 9, 2017
    Publication date: August 23, 2018
    Inventors: Gab Cheol JEONG, Eon Mo AHN, Jong Young PARK, Sung Soo JUNG