IPC Subgroup
G01P 3/02 Devices characterised by the use of mechanical means
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 use of mechanical 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
6 direct subcodes
Child Classifications
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- G01P 3/04 by comparing two speeds
- G01P 3/1 by actuating an indicating element, e.g. pointer, for a fixed time
- G01P 3/12 by making use of a system excited by impact
- G01P 3/14 by exciting one or more mechanical resonance systems
- G01P 3/16 by using centrifugal forces of solid masses
- G01P 3/24 by using friction effects