IPC Subgroup
G01N 29/5 using auto-correlation techniques or cross-correlation techniques
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 > Processing the detected response signal > using auto-correlation techniques or cross-correlation techniques
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES