G - Physics – 01 – N
Patent
G - Physics
01
N
349/42
G01N 29/04 (2006.01) G01N 29/22 (2006.01) G01N 29/38 (2006.01)
Patent
CA 1272524
ABSTRACT OF THE DISCLOSURE An ultrasonic signal processing system that includes flaw gates that process signals from an inspection transducer is disclosed. The flaw gates operate in pairs where each pair is dedicated to a time window corresponding to, for example, flaw depth or transducer angle. The time window for a pair of flaw gates is indicated by a channel code produced by a timing control unit . One flaw gate in each pair process incoming digitized transducer signals during a scan to produce reflector indications while the other gate in each pair transfers data from a previous different position scan to a main computer. The main computer determines flaw locations from the reflector indications and transducer positions provided by the flaw gate. The flaw gates each adjust reflector indication location signals for changes in distance between an immersed ultrasonic wave inspection
540729
Michaels Jennifer E.
Michaels Thomas E.
Nottingham Lawrence D.
Bereskin & Parr
Westinghouse Electric Corporation
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