Synchro
A transforming apparatus in the form of an induction voltage regulator. Its stator has one or more windings, either primary or secondary. Its rotor has one or more windings, either secondary or primary. A synchro is used either as a direct transmitter or as a signal receiver (which defines an angular position) or as a comparator for two signals each of which represents an angular position.
Reference: I.E.C. (modified)
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
