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G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
G05D3/00—Control of position or direction
G05D3/12—Control of position or direction using feedback
G05D3/14—Control of position or direction using feedback using an analogue comparing device
G—PHYSICS
G08—SIGNALLING
G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
G08C15/00—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path
G08C15/02—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path simultaneously, i.e. using frequency division
G08C15/04—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path simultaneously, i.e. using frequency division the signals being modulated on carrier frequencies
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Automation & Control Theory
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Arrangements For Transmission Of Measured Signals
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Anordnung zur Erzielung einesí¬vorzugsweise regelbarení¬wirkstromabhaengigen Zusatzdrehmomentes in ein- oder mehr-phasigen Regelgliedern selbsttaetiger Blindstromkompensations-Schaltanlagen
Mit einer selbsttaetigen Kompensation arbeitender Frequenzmesser, bei dem die Phasenlage des Stromes eines Schwingkreises zur Gesamtspannung gemessen wird