CPC Subgroup
G01N 29/22 Details
Full Title
Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object (G01N3/00 - G01N27/00 take precedence) > Details
11 direct subcodes
Child Classifications
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- G01N 29/24 Probes
- G01N 29/26 Arrangements for orientation or scanning
- G01N 29/28 providing acoustic coupling
- G01N 29/30 Arrangements for calibrating or comparing, e.g. with standard objects
- G01N 29/32 Arrangements for suppressing undesired influences, e.g. temperature or pressure variations