Ultrasonic inspection device and method
US10345268B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2015 |
| Grant date | Jul 9, 2019 |
| Priority date | — |
| Expiry date | Nov 21, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2291/102
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An ultrasonic transmitter 3 attached to an inspecting target object 1, an ultrasonic receiver 5 receiving a reflected wave of the ultrasonic wave that has propagated from the ultrasonic transmitter 3 in the inspecting target object, a data processing device 7 acquiring position specifying data for specifying a position of a defect 1a in the inspecting target object 1 on the basis of received data representing a waveform of the reflected wave received by the ultrasonic receiver 5 are provided. The ultrasonic wave generated by the ultrasonic transmitter 3 has been frequency-modulated, and has a waveform composed of components of respective frequencies that are deviated from a resonance frequency of the ultrasonic transmitter 3 and the ultrasonic receiver 5. The data processing device 7 includes a pulse compressing unit 21 performing pulse compression on the received data, and acquires the position specifying data on the basis of the pulse-compressed received data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.