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GREEN BEAM [3 records]

Record 1 2012-08-15

English

Subject field(s)
  • Signalling and Illumination (Air Transport)
  • Air Traffic Control
DEF

A hand-held directional light signalling device that emits a brilliant, narrow beam of white, green or red light, as selected by the tower controller.

OBS

The light gun is used as an alternate means of communication for controlling traffic operating in the vicinity of the airport and on the airport movement area.

OBS

light gun: term and definition standardized by the Glossary for Pilots and Air Traffic Services Personnel Committee

French

Domaine(s)
  • Signalisation (Transport aérien)
  • Circulation et trafic aériens
DEF

Dispositif lumineux portatif et orientable qui émet un faisceau étroit et vif de couleur blanche, verte ou rouge selon la sélection du contrôleur de la tour.

OBS

Ce projecteur est utilisé comme autre moyen de communication pour contrôler la circulation à proximité de l'aéroport et sur l'aire de mouvement.

OBS

projecteur directif : terme et définition normalisés par le Comité sur le Glossaire à l'intention des pilotes et du personnel des services de la circulation aérienne.

Spanish

Save record 1

Record 2 2012-01-24

English

Subject field(s)
  • Electronic Components
  • Computer Graphics
CONT

The arrangement of the beam-penetration CRT is similar to that of normal CRT's; the only unusual component is the multilayer phosphor, in which a layer of red phosphor is deposited behind the initial layer of green phosphor. If a fairly low-potential electron beam strikes the tube face, it excites only the red phosphor and therefore produces a red trace. When the accelerating potential is increased, the velocity of the beam striking the phosphor is greater, and as a result the beam penetrates into the green phosphor, increasing the green component of the light output.

OBS

CRT: cathode-ray tube.

French

Domaine(s)
  • Composants électroniques
  • Infographie
DEF

Tube cathodique où la couleur affichée dépend de l'énergie du faisceau d'électrons.

Spanish

Save record 2

Record 3 1995-02-03

English

Subject field(s)
  • Medical and Surgical Equipment
CONT

A new argon indirect ophthalmoscopic photocoagulator is presented which uses a red helium-neon laser aiming beam. Qn interference filter protects the operator from green or blue-green treatment beam reflections without impairung visualization of the aiming beam or significant retinal anatomy.

French

Domaine(s)
  • Équipement médico-chirurgical
DEF

Dispositif ophtalmologique fonctionnant le plus souvent au laser, qui permet de projeter un faisceau intense sur la choriorétine, l'iris et les vaisseaux rétiniens

Spanish

Save record 3

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