Non-contact durability diagnosis apparatus and method비접촉 내구 진단 장치 및 방법

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A non-contact durability diagnosis apparatus includes: (a) applying non-contactly and sequentially at least two excitation ultrasonic waves to an object and storing frequency signals generated from the object; (b) applying non-contactly and simultaneously the at least two excitation ultrasonic waves to the object and storing frequency signals generated from the object; (c) storing derived frequency signals remaining after removing an overlapping portion of the frequency signals of step (a) and the frequency signals of step (b); and (d) determining that the object is damaged when at least one of the generated frequency signals of step (c) is larger than a predetermined value.
Assignee
KAIST
Country
US (United States)
Issue Date
2019-03-05
Application Date
2015-12-01
Application Number
14955910
Registration Date
2019-03-05
Registration Number
10222354
URI
http://hdl.handle.net/10203/261644
Appears in Collection
CE-Patent(특허)
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