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

Child Classifications

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• G05F 5/02 Phase controlled switching using electronic tubes or three or more terminal semiconductive devices since 1985 IPC only IPC only
• G05F 5/04 using a transformer or inductor as the final control device since 1985 −1 IPC IPC only IPC only
• G05F 5/08 using a linearly acting final control device since 1985 IPC only IPC only