What is Projector ?

The projector is an object capable of displaying a large canvas on a wall or appropriate to projections, the images that have as source a computer, a TV, camcorder or any video source.

The projector is usually positioned below the ceiling of a building at a distance from the projection zone of about three or four meters, but can be positioned in other places where you like best.Projectors often have size and weight that allow the transport from one room to another or even from home to his place of work.

Of course, for a fixed installation (ceiling), customers can opt for devices too bulky and heavy, and for use on the fly “on a coffee table or the floor will be convenient to something lighter.The projector is a very delicate, because if you accidentally bumped or falls can damage the glass or the lens that allows the display of images.

Today, the projector is replacing almost all the television cathode ray tube reached the limit of quality, and therefore together with LCD and plasma monitors are increasingly affects people’s minds, this is also because the prices, though still high, declined significantly to reach for some models, those of high-end televisions.

Today, in fact, the projector is placed most often in the lists of favorite wedding gift from spouses, who are seeking a relaxing moment in their living room enjoying watching a good movie as if they were at the cinema.

History

The projector has evolved over time thanks to evolving technology, both to carry thanks to some German researchers to the realization of a video projector the size minimum. Little bigger than a matchbox or a penny, thanks to a single mirror is capable of displaying video and images in traditional grandeur. The projector, in fact, given its extreme size, supports only two light beams, the red and blue, representing an obstacle to the display of multiple colors and shades available.

Projectors on the market today are many models and features. Stroke behind were widely used systems for video projection lamp with a mirror, which allows viewing of transparencies, but thanks to the technological breakthrough is now possible to see not only clear but also in digital film and video presentations by the excellent quality. In the market you can usually find projectors that are positioned at a great distance, but a few years if they are at a higher price models that can be positioned a few inches from the area of projection.

Filed under: Technology