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Moving lights or '''automated luminaires''' (sometimes erroneously called '''intelligent fixtures''', see Intelligent Lighting ) are Stage Lighting fixtures. They were originally implemented in 1972, but the first computer-controlled stage lighting fixtures began to gain widespread acceptance in the Concert industry in the early 1980's. As the fixtures evolved and their capabilities became more refined, they became increasingly used in Theatre , Television , and almost all other Entertainment lighting applications. These fixtures usually employ compact Arc Lamp s as light sources. They use Servo Motors or, more commonly, Stepper Motor s connected to mechanical and optical internal devices to manipulate the light before it emerges from the fixture's front lens. Examples of such internal devices are:
These fixtures also use motors to enable physical movement of the light beam by:
CONTROL Moving lights are controlled in many ways. Usually the fixtures are connected to a Lighting Control Console , which outputs a control signal. This control signal sends data to the fixture usually in one of three ways - Analogue (which has largely been phased out), DMX (which is the industry standard control protocol), or Ethernet Control (which is still in development). The fixture then takes this signal and translates it into internal signals which are sent to the many stepper motors located inside. EXTERNAL LINKS Manufactuerers: Worldwide Retailers:
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