IPC Subgroup
G01P 3/8 using auto-correlation or cross-correlation detection means
Introduced: January 1985
Last revised: January 2006
Full Title
Measuring linear or angular speed; Measuring differences of linear or angular speeds > Devices characterised by the determination of the time taken to traverse a fixed distance > using auto-correlation or cross-correlation detection means
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION OR SHOCK; INDICATING PRESENCE OR ABSENCE OF MOVEMENT; INDICATING DIRECTION OF MOVEMENT