G
PHYSICS
G
PHYSICS
G05
CONTROLLING; REGULATING
G05
CONTROLLING; REGULATING
G05F
SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
G05F
SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
1/00
Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
1/00
Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
G05F1/10
Regulating voltage or current
G05F1/10
Regulating voltage or current
G05F1/46
wherein the variable actually regulated by the final control device is DC
G05F1/46
wherein the variable actually regulated by the final control device is DC