TERMIUM Plus®

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phantom signal aspect [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2002-10-23

English

Subject field(s)
  • Optics
  • Signalling (Rail Transport)
  • Rail Traffic Control
DEF

an aspect displayed by a light signal, different from the aspect intended, caused by a light from an external source being reflected by the optical system of the signal.

CONT

Lamps may be equipped with Phankill units to reduce apparent illumination from reflected light (called phantom indication) and with wire mesh guards for protection.

French

Domaine(s)
  • Optique
  • Signalisation (Transport par rail)
  • Circulation des trains
DEF

Indication intempestive d'un signal provoquée par la réflexion de rayons étrangers (notamment rayons de soleil) frappant l'unité lumineuse.

Spanish

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TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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