IPC Main Group
G05F 3/00 Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- CONTROLLING; REGULATING
- Subclass:
- SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
1 direct subcode
Child Classifications
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- G05F 3/02 Regulating voltage or current