IPC Subgroup
G05F 5/02 Phase controlled switching using electronic tubes or three or more terminal semiconductive devices
Introduced: January 1985
Last revised: January 2006
Full Title
Systems for regulating electric variables by detecting deviations in the electric input to the system and thereby controlling a device within the system to obtain a regulated output > Phase controlled switching using electronic tubes or three or more terminal semiconductive devices
Classification Context
- Section:
- PHYSICS
- Class:
- CONTROLLING; REGULATING
- Subclass:
- SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES