Patents by Inventor Chulmin Yeum

Chulmin Yeum 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).

  • Mode decomposition of sound waves using amplitude matching
    Patent number: 8286492
    Abstract: The different advantageous embodiments provide a transducer unit, a testing system, and a method for testing a structure. The transducer unit comprises a first segment configured to generate a first electrical signal in response to detecting a plurality of waves propagating in a structure. The transducer unit also comprises a second segment configured to generate a second electrical signal in response to detecting the plurality of waves propagating in the structure.
    Type: Grant
    Filed: December 9, 2009
    Date of Patent: October 16, 2012
    Assignee: The Boeing Company
    Inventors: Hoon Sohn, Chulmin Yeum, Jeong-Beom Ihn
  • Mode Decomposition of Sound Waves Using Amplitude Matching
    Publication number: 20110132090
    Abstract: The different advantageous embodiments provide a transducer unit, a testing system, and a method for testing a structure. The transducer unit comprises a first segment configured to generate a first electrical signal in response to detecting a plurality of waves propagating in a structure. The transducer unit also comprises a second segment configured to generate a second electrical signal in response to detecting the plurality of waves propagating in the structure.
    Type: Application
    Filed: December 9, 2009
    Publication date: June 9, 2011
    Applicant: THE BOEING COMPANY
    Inventors: Hoon Sohn, Chulmin Yeum, Jeong-Beom Ihn