TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

FLICKER RATE [6 records]

Record 1 2017-04-27

English

Subject field(s)
  • Informatics
  • Mathematical Geography
DEF

The minimum frequency of alternating visual light pulses needed in order to avoid perception of flickering by the human observer. Important for refreshing displays.

French

Domaine(s)
  • Informatique
  • Géographie mathématique
DEF

Cadence minimale de clignotement, en cycles par seconde, d'une pulsation lumineuse que l'œil humain perçoit comme un faisceau continu de lumière. Caractérise les écrans à rafraîchissements.

Spanish

Save record 1

Record 2 2012-02-16

English

Subject field(s)
  • The Eye
  • Electrodiagnosis
DEF

The determination of the rate of presentation of intermittent, alternate, or discontinuous photic stimuli that just gives rise to a fully uniform and continuous sensation, oblitering the flicker.

French

Domaine(s)
  • Oeil
  • Électrodiagnostiques
DEF

Technique d'activation des électroencéphalogrammes basée sur l'éclairement intermittent des yeux (3 éclairs par seconde environ).

Key term(s)
  • SLI

Spanish

Save record 2

Record 3 2005-10-19

English

Subject field(s)
  • Psychometry and Psychotechnology
  • The Eye
DEF

The rate of presentation of intermittent, alternate or discontinuous photic stimuli that just gives rise to a fully uniform and continuous sensation obliterating the flicker.

French

Domaine(s)
  • Psychométrie et psychotechnique
  • Oeil
DEF

Fréquence d'une stimulation lumineuse intermittente pour laquelle le sujet ne perçoit plus de papillotement, [et dont] la sensation est stable et continue.

OBS

Source : Le nouveau dictionnaire de la vision par Michel Millodot, Médiacom Vision Éditeur, 1997.

Spanish

Save record 3

Record 4 2001-11-30

English

Subject field(s)
  • Computer Graphics
CONT

When selectively updating a small object at a very high rate on a raster screen, an annoying flicker can occur. The flicker is not constant; the small object appears solid at times, and at other times it appears to go black or look like a ghostly image that is hardly there. This phenomenon is known as band flicker.

French

Domaine(s)
  • Infographie

Spanish

Save record 4

Record 5 1999-01-19

English

Subject field(s)
  • Computer Display Technology
DEF

A CRT device that requires the refreshing of its screen presentation at a high rate in order that the image will not fade or flicker. The refresh rate is proportional to the decay rate of the phosphor(light sensitive coating on CRT). Refresh display requires continuous interaction with the host computer and display controller.

French

Domaine(s)
  • Techniques d'affichage (Ordinateurs)
OBS

Voir régénération.

Spanish

Save record 5

Record 6 1996-11-08

English

Subject field(s)
  • Television (Radioelectricity)
DEF

The total area, occupied by the picture, that is scanned while the picture signal is not blanked.

CONT

When the requirements of television were first established, it was necessary to decide on a standard repetition rate for showing complete pictures, that is the number of complete frames per second. It was finally decided that thirty complete pictures would be displayed on the screen each second. These complete pictures are referred to as frames. A frame frequency of only thirty pictures per second would result in a flicker discernible to the eye, so each picture is divided into two parts called fields. Two fields must be produced in order to make one complete picture or frame.

OBS

In the United States, each frame contains 525 horizontal scanning lines, and 30 complete frames are shown per second.

French

Domaine(s)
  • Télévision (Radioélectricité)
DEF

Résultat du balayage complet des éléments visuels pendant que le signal image n'est pas supprimé.

Spanish

Save record 6

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