IPC Subgroup
G01P 3/62 Devices characterised by the determination of the variation of atmospheric pressure with height to measure the vertical components of speed
Introduced: September 1968
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 variation of atmospheric pressure with height to measure the vertical components of speed
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