DMX-512 - DMX512, often shortened to DMX (Digital MultipleX), is a communications protocol used mainly to control stage lighting.
Developed by the Engineering Commission of USITT, the standard star. Used Protocol. ted in 1986, with subsequent revisions in 1990 leading to USITT DMX512/1990. ESTA took control of the standard in 1998 and began a revision process. The new standard, known officially. Used Protocol. as "Entertainment Technology — USITT DMX512–A — Asynchronous Serial Digital Data Transmission Standard for Controlling Lighting Equipment and Accessories", was approved by ANSI in November, 2004. This current standar...
Bulbs - A Bulb or light bulb is a source of artificial light. There are many different kinds of bulbs including High Intensity Discharge or HIDs, Halogen, Fluorescent and Light Emitting Diodes, but the most . Used Protocol. common is the incandescence that works by the release of electromagnetic radiation. . Used Protocol. ...
Amphitheatre - The name amphitheatre (alternatively amphitheater) is given to a public building of the Classical period (being particularly associated with ancient Rome) which was used for spectator sports, games an. Used Protocol. d displays.
Apart from function, the important outward distinction between an amphitheatre and a theatre is that an amphitheatre is round or oval in shape (whereas a clas. Used Protocol. sical theatre was semi-circular). However, an amphitheatre differs from a circus, which was used for racing and looked more like a very long, narrow horse shoe.
The best-known amphitheatre in the world is...
Fresnel - Fresnels are typically 8-, 6- or 4-inch, referring to the diameter of the lens. This light is named after Augustin-Jean Fresnel who invented the distinctive Fresnel lens which has a 'stepped' appearan. Used Protocol. ce instead of the 'full' or 'smooth' appearance of other lenses. The stepped nature of the lens causes a corresponding pattern of circles of light, so Fresnel lenses are usually 'stip. Used Protocol. pled' on the flat side. This pattern of small bumps helps to break up the light passing into the lens to smooth out its eventual pattern.
Fresnels use a spherical reflector, with the filament of the bulb ...
Dimmers and Distro - Dimmers are devices used to vary the brightness of a light or stage light and are usually controlled remotely by a lighting console or controller by way of a protocol that is usually DMX. A Distro is . Used Protocol. a device that distributes power to many devices.. Used Protocol. ...