(of projectors)
71Oskar Messter — Oskar Messter, 1920 Born 21 November 1866(1866 11 21) Berlin Died …
72Screen-door effect — The screen door effect or fixed pattern noise (FPN) is a visual artifact of the projection technology used in digital projectors, where the fine lines separating the projector s pixels become visible in the projected image. This results in an… …
73Xenon arc lamp — A xenon arc lamp is an artificial light source. Powered by electricity, it uses ionized xenon gas to produce a bright white light that closely mimics natural daylight.Xenon arc lamps can be roughly divided into three categories: * Continuous… …
74Filmstrip — Filmstrips were a common form of instructional multimedia used by instructors in both primary schools and secondary (K 12) schools. Often entertaining, filmstrips were popular with students and teachers because they provided an easy and… …
75Interactive whiteboard — at CeBIT 2007 …
76Zeiss projector — A Zeiss projector is one of a line of planetarium projectors manufactured by the Carl Zeiss Company.The first modern planetarium projectors were designed and built by Carl Zeiss AG in 1924. Zeiss projectors are designed to sit in the middle of a… …
77Christie (company) — Christie Digital Systems, Inc. Type Group of private companies Industry Display technology Founded 1929 Products Projectors …
78Cinema of Romania — Part of a series on the Culture of Romania Topics …
79Cavalcade of Lights Festival — See Also, Lights Festival (disambiguation) The Calvacade of Lights Festival takes place in Toronto every year, and runs from November 23rd to December 23rd on the Old City Hall and various other sites.The opening ceremony takes place in Nathan… …
80Large-screen television technology — developed rapidly in the late 1990s and 2000s. Various flat screen technologies are being developed, but only the liquid crystal display (LCD), plasma display (PDP) and Digital Light Processing (DLP) were released on the public market. These… …
