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IMAGE VIEWING TUBE [5 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2015-02-25

English

Subject field(s)
  • Scientific Instruments
  • Medical and Surgical Equipment
CONT

The drawing apparatus does not project an image originating from the microscope, it rather adds an external image, that of the drawing, to the one normally observed in the microscope eyepiece.... The drawing attachment described here fits easily between the binocular tube and the tube support of a Wild compound microscope. It is a tubular piece, protruding horizontally to the left or the right hand of the observer.... Similar "drawing tubes" for camera lucida viewing with stereomicroscopes are also available. Because each ocular in the stereomicroscope produces an image of the specimen from a different angle, both images together give the impression of 3D-vision, but obviously, the drawing picked up from the drawing tube can be superimposed with only one of the two members of the stereopair.

French

Domaine(s)
  • Instruments scientifiques
  • Équipement médico-chirurgical

Spanish

Save record 1

Record 2 2006-11-23

English

Subject field(s)
  • Audiovisual Techniques and Equipment
  • Video Technology
DEF

[The display of images through a] television [that] uses an internal video projector(either LCD [liquid crystal display] or CRT [cathode-ray tube]) to create a small version of the picture image, which is then magnified and projected onto a large viewing screen.

OBS

[The projection display technology is used] to create very large screens, but their sharpness and clarity can be very adversely affected by the viewer’s position relative to the screen.

French

Domaine(s)
  • Audiovisuel (techniques et équipement)
  • Vidéotechnique
DEF

Affichage d'images par le truchement d'un téléviseur doté d'un projecteur vidéo intégré (à cristaux liquides ou à tube cathodique) qui produit une version réduite de l'image captée qui est ensuite agrandie et projetée sur un grand écran pour la visualisation.

OBS

La technologie de l'affichage par projection permet la mise en marché de très gros écrans mais leur netteté et leur clarté varie selon la position du téléspectateur par rapport à l'écran.

Spanish

Save record 2

Record 3 2002-06-12

English

Subject field(s)
  • Computer Memories
  • Computer Display Technology
  • Information Processing (Informatics)
CONT

A series of digital values is extracted from the refresh memory, converted into an electrical signal and made to generate a scan line on the screen. The refresh memory provides a way of converting a static entity-the fixed values of the digital data in the sampled image-into the continuously varying signal required for viewing on a cathode ray tube.

OBS

refresh: The process of repeatedly producing a display image on a display surface so that the image remains visible.

French

Domaine(s)
  • Mémoires (Informatique)
  • Techniques d'affichage (Ordinateurs)
  • Traitement de l'information (Informatique)
DEF

Mémoire attachée à un processeur graphique et contenant la liste de visualisation. Elle fournit les informations nécessaires à la régénération de l'image présentée sur l'écran.

PHR

scruter la mémoire de rafraîchissement.

PHR

capacité de la mémoire de rafraîchissement.

Key term(s)
  • mémoire de restauration

Spanish

Campo(s) temático(s)
  • Memorias (Computadoras)
  • Técnicas de visualización (Computadoras)
  • Tratamiento de la información (Informática)
DEF

Área de la memoria de la computadora (ordenador), que contiene los valores que indican si un punto determinado de una exploración de gráficos está encendido o apagado. La memoria también puede contener información sobre la brillantez y los colores.

Save record 3

Record 4 1985-04-24

English

Subject field(s)
  • Electronics
OBS

viewing tube, image

French

Domaine(s)
  • Électronique
OBS

(BT 36 Électronique)

Spanish

Save record 4

Record 5 1976-06-19

English

Subject field(s)
  • Vacuum Tubes (Electronics)

French

Domaine(s)
  • Tubes et lampes (Électronique)

Spanish

Save record 5

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