La culture en toute liberté.
Version du 3 avril 2012 à 17:46 par AlexandraPartee922 (discuter | contributions)

(diff) ← Version précédente | Voir la version courante (diff) | Version suivante → (diff)
Aller à : Navigation, rechercher

Odds are, even if you have not personally utilized a projector you've frequently noticed a single at work at some point Wireless Projectors. Within the end, you've been towards the films, have you not? Although a movie projector is distinct from an LCD projector, the basic concept is rather similar. Let's explore exactly how these projection machines function.

Essentially, you'll find two fundamental types of projectors: LCD and DLP. Let's take a glance at LCD technology 1st.

LCD stands for Liquid crystal Viewsonic Projector, and is probably essentially the most frequent kind of consumer grade projectors at present available. If you rent a projector from a rental business, odds are it is going to be an LCD projector.

Essentially, within an LCD projector, an easy is shined via a prism, which splits the sunshine in to the 3 fundamental colors of light, which then go by way of numerous panels, followed by a lens. The panels are just like small LCD screens, which obtain encoded signals instructing them how much of each light ought to be let by way of, and at what specific pixel coordinates. The lens focuses the image and projects it onto a surface, exactly where it might then be viewed by the eye.

Next, let's check a a lot more current kind of projector technologies Panasonic Projectors.

Another main kind of projector is DLP, which means Digital Light Processing. Typically speaking, DLP projectors are significantly much more expensive than LCD projectors, and as a result are usually utilized in commercial operations, like theaters, museums, universities, and so on. DLP technologies was developed by Texas Instruments, and is a newer, more complicated kind of technology than LCD; nonetheless LCD technologies is the standard amongst customer users (as well as in most corporate settings).

Inside a DLP projector, light is directed through a spinning color wheel, onto a mirrored chip. This tiny chip is covered without numerous minuscule mirrors, which can be turned on or off, according to the signals sent for each and every corresponding image. This really is all done instantaneously, via electrical impulses. Surprisingly, just 1 color is shown at a time! However, the operation is carried out so rapidly in sequence the eye can not detect the separation of colours. Quite just, red might be immediately then blue so rapidly, that all the issue is is purple! In spite of the constant flickering, the ultimate image seems to become continually lit.

Usually speaking, LCD could be the technology preferred by static images and people using a really high contrast, whereas DLP technology is preferred for video simply because of its inherently vivid colors.

Outils personnels
Espaces de noms

Dépôt multimedia
Boîte à outils