wherein the variable actually regulated by the final control device is DC (G05F1/625 takes precedence)

Full Title

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 > Regulating voltage or current (G05F1/02 takes precedence) > wherein the variable actually regulated by the final control device is DC (G05F1/625 takes precedence)

Child Classifications

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• G05F 1/461
• G05F 1/462
• G05F 1/468
• G05F 1/52 using discharge tubes in series with the load as final control devices
• G05F 1/56 using semiconductor devices in series with the load as final control devices (G05F1/461 takes precedence)
• G05F 1/607 using discharge tubes in parallel with the load as final control devices
• G05F 1/613 using semiconductor devices in parallel with the load as final control devices (G05F1/461 takes precedence)
• G05F 1/618 using semiconductor devices in series and in parallel with the load as final control devices (G05F1/461 takes precedence)
• G05F 1/62 using bucking or boosting DC sources