IPC Subgroup
G01N 29/36 Detecting the response signal
Introduced: January 2006
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 > Detecting the response signal
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
3 direct subcodes
Child Classifications
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- G01N 29/38 by time filtering, e.g. using time gates
- G01N 29/4 by amplitude filtering, e.g. by applying a threshold
- G01N 29/42 by frequency filtering