A tractor beam emitter was a starship component that projects a graviton beam called a "tractor beam". This graviton beam was capable of either attraction or repulsion.

The shuttlebays aboard Federation starships each have a tractor beam emitter mounted near the shuttlebay in order to guide shuttlecraft in. In addition, each shuttlebay has a tractor beam emitter mounted within. (TNG: "Time Squared")

In 2377, the USS Voyager's Emergency Command Hologram escaped from Quarren ships by firing on their tractor beam emitters. (VOY: "Workforce")

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