selsyn

/ˈsɛlsɪn/
noun
  1. A type of electrical device that transmits position or rotation information from one place to another, used in control systems and remote indicators.
    • Engineers installed a selsyn system so that the radar antenna's angle is shown accurately in the control room.
    • The factory uses a selsyn to synchronize the position of a remote valve with the control panel.
    • In older ships, a selsyn helped the helmsman see the rudder's position from the bridge.
Synonyms
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