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Audio Visual Projection Systems

An integrated audio visual projection system is a powerful presentation tool. The technology has evolved fast and opened the door to a new generation of applications that span market sectors and build relationships with ever more demanding audiences.

The science behind projectors has produced cutting-edge presentation solutions that offer consistently high performance for users who need to capture information and communicate it fast and effectively.

See the difference our large scale audio visual projection systems have made already, then talk to us about how to turn presenting into a real art form.

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More Information About Projectors and Projection Systems

Rapidly-evolving technology has assured modern projection systems have a new place in today's presentation environments. Dynamic LCD and data projectors now give presenters a powerful tool to manage meetings, conferences and seminars with ease and ensure every member of the audience is witness to an amazing visual experience.

Indeed, technology is emerging as fast as the applications and environments capable of staging the latest projection systems. Key to the most vibrant presentations, Asysco's ranges of projection products are now fulfilling vital roles in the entertainment, corporate and education sectors.

The technology behind data/video projectors continues to develop apace and this is a guide to the science behind today's most exciting projection equipment.

There are three main types of projection technology: transmissive LCD (Liquid Crystal Display) projectors and reflective LCoS (Liquid Crystal on Silicon) and DLP (Digital Light Processing) projectors.

LCD projectors incorporate a lamp focussed onto three small LCD panels. A projected image is created from a matrix of pixels, each of which incorporates a tiny liquid crystal. As the white light from the projection lamp splits into red, green and blue colours, the separated coloured light passes through an individual poly silicon LCD panel and combines with the other colours before being focussed on the screen. Colour saturation and intensity are determined by the degree of light allowed to pass through the LCD.

LCoS projectors incorporate a micro display device in which liquid crystals are applied directly to the surface of a reflective silicon CMOS (Complementary Metal Oxide Semiconductor) substrate on an array of aluminium mirrors that define each pixel. Voltage applied to a pixel causes the liquid crystal to change direction, which also changes the polarisation direction of the incident projection light.

DLP Projectors rely on a DMD (Digital Micromirror Device) which is a semiconductor chip made up of thousands of microscopic mirrors, each representing one pixel. DLP projectors create colour in two ways. Single chip systems utilise a spinning colour wheel between the projection lamp and the DMD, which is synchronised to display colour components on the corresponding section of the wheel as it passes in front of the lamp. Red, green and blue images are displayed sequentially as the mirrors are switched on and off at high speed to generate the projected image. Three chip systems use a prism to separate the light from the projection lamp into red, green and blue colours. The light is then directed to three DMD chips, one for each primary colour, then recombined before it passes through the projector lens.