Lekolite
A Lekolite (often abbreviated to Leko) is a brand of ellipsoidal reflector spotlight (ERS) used in stage lighting which refers to the half- ellipsoidal dome reflector within which the instrument's lamp is housed. Introduced in 1933, it was developed by Joseph Levy and Edward Kook, founders of Century Lighting, which eventually became a part of the Strand Lighting Corporation. The instrument was widely used in theatre and entertainment venues into the 1990s, particularly in the United States. As other lighting technologies and products have taken the Lekolite's place, the term Leko has become a generic trademark (notably in North America) for all ERS fixtures. Century Lighting founders and the instrument's inventors, Joseph LevyNot to be confused with "Chuck" Levy, sales representative for Century, and later Strand and Edward Kook, combined the first two letters of their own last names and called the unit "Leko." Rival lighting company, Kliegl Brothers, released their own Elips ...
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Ellipsoidal Reflector Spotlight
Ellipsoidal reflector spot (abbreviated to ERS, or colloquially ellipsoidal or ellipse) is the name for a type of stage lighting instrument, named for the ellipsoidal reflector used to collect and direct the light through a barrel that contains a lens or lens train. The optics of an ERS instrument are roughly similar to those of a 35 mm slide projector. There are many types of ERS that are designed for the myriad applications found in the entertainment industry. ERS instruments come in all shapes and sizes. Each particular model of ERS has its own set of characteristics. Generally, ERS instruments are the most varied and utilized type of stage lighting instrument. ERS may also be referred to as Profile Spotlights (especially in Europe) because the beam can be shaped to the profile of an object. Ellipsoidal reflectors are used for their strong, well-defined light and their versatility. ''Leko'' and ''Source Four'' are brand names which are often, but inaccurately, used to ...
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Leko Lite
Leko may refer to: * Leko (surname) * Leko languages, a small group of African Savanna languages * Leco language, a moribund isolate language of Bolivia * Lekolite or Leko, a type of stage spotlight * Alexandro da Silva Santos or Leko, Brazilian footballer * Leko (Arnarvon Islands), a minor island in the Arnarvon Islands See also * Lekos (Dagestan), the ancestor-eponym of the Lek tribe of the North Caucasus * Lecco Lecco (, , ; lmo, label= Lecchese, Lècch ) is a city of 48,131 inhabitants in Lombardy, northern Italy, north of Milan. It lies at the end of the south-eastern branch of Lake Como (the branch is named ''Branch of Lecco'' / ''Ramo di Lecco''). ...

Leko
Leko may refer to: * Leko (surname) * Leko languages, a small group of African Savanna languages * Leco language, a moribund isolate language of Bolivia * Lekolite or Leko, a type of stage spotlight * Alexandro da Silva Santos or Leko, Brazilian footballer * Leko (Arnarvon Islands), a minor island in the Arnarvon Islands See also * Lekos (Dagestan), the ancestor-eponym of the Lek tribe of the North Caucasus * Lecco Lecco (, , ; lmo, label= Lecchese, Lècch ) is a city of 48,131 inhabitants in Lombardy, northern Italy, north of Milan. It lies at the end of the south-eastern branch of Lake Como (the branch is named ''Branch of Lecco'' / ''Ramo di Lecco''). ...

Stage Lighting
Stage lighting is the craft of lighting as it applies to the production of theater, dance, opera, and other performance arts.
Stage Lighting Design Principle and Process Several different types of stage lighting instruments are used in this discipline.
theatrecrafts' Types of Lanterns. In addition to basic lighting, modern stage lighting can also include special effects, such as Laser lighting display, lasers and fog machines. People who work on stage lighting are commonly referred to as lighting technicians or Lighting designer, lighting designers. The equipment used for stage lighting (e.g. cabling, dimmers, lighting instruments, contr ...
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Klieglight
A Klieg light is an intense carbon arc lamp especially used in filmmaking. It is named after inventor John Kliegl and his brother Anton Kliegl. Klieg lights usually have a Fresnel lens with a spherical reflector or an ellipsoidal reflector with a lens train containing two plano-convex lenses or a single step lens. Film The carbon-arc source was so bright that it allowed film directors to shoot daytime scenes at night. The ultraviolet rays produced by the light also led to some actors developing an eye inflammation referred to as " Klieg eye". Stage In the early days of spotlights, the name "Klieg light" became synonymous with any ellipsoidal reflector spotlight (ERS), other carbon-arc sources or any bright source. Initially developed for film, the Klieg light was adapted for use as an incandescent stage fixture in 1911. Although not completely certain, the title of the first ellipsoidal reflector spotlight often goes to the 1933 Klieglight, which was first used to light an ...
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Ellipsoidal Dome
An ellipsoidal dome is a dome (also see geodesic dome), which has a bottom cross-section which is a circle, but has a cupola whose curve is an ellipse. There are two types of ellipsoidal domes: ''prolate ellipsoidal domes'' and ''oblate ellipsoidal domes''. A prolate ellipsoidal dome is derived by rotating an ellipse around the long axis of the ellipse; an oblate ellipsoidal dome is derived by rotating an ellipse around the short axis of the ellipse. Of small note, in reflecting telescopes the mirror is usually elliptical, so has the form of a "hollow" ellipsoidal dome. The Jameh Mosque of Yazd has an ellipsoidal dome. See also * Beehive tomb * Clochán * Cloister vault * Dome * Ellipsoid * Ellipsoidal coordinates * Elliptical dome * Geodesic dome * Geodesics on an ellipsoid * Great ellipse * Onion dome * Spherical cap * Spheroid A spheroid, also known as an ellipsoid of revolution or rotational ellipsoid, is a quadric surface obtained by rotating an ellipse abou ...
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Edward Kook
Edward F. Kook (1903–1990) was an American stage lighting engineer who helped to develop the art form, receiving a Special Tony Award for his contributions in 1952. He was a lecturer in it at two Ivy League universities, Columbia University and Yale School of Drama, and was president of the United States Institute for Theatre Technology The United States Institute for Theatre Technology (USITT) is a membership organization which aims to advance the skills and knowledge of theatre, entertainment and performing arts professionals involved in the areas of design, production and tech ... from 1975 to 1977. References External links * {{DEFAULTSORT:Kook, Edward 1903 births 1990 deaths American lighting designers Columbia University staff Yale University staff ...
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Strand Lighting
Strand Lighting is an international theatre and television lighting company founded in 1914 in London's West End that supplies lighting fixtures and controls for the entertainment industry. Strand's products have been used on countless theatre productions and TV shows worldwide. History Strand Electric and Engineering Company, as it was originally named, was created in 1914. Arthur Earnshaw and Phillip Sheridan were both London theatre electricians when they set up their company. In 1932, Frederick Bentham joined Strand. He would go onto revolutionise theatre lighting with his designs. The Light Console was the first remote control theatre lighting console, while Pattern 23 (the first mass-produced spotlight) and Pattern 264 spotlights were further creations. The company incorporated as Strand Electric Holdings in 1936. In 1968, Strand Lighting was purchased by The Rank Organisation and thus became Rank Strand. In 1969, Rank took over Century Lighting (Started in New York ...
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Theatre
Theatre or theater is a collaborative form of performing art that uses live performers, usually actors or actresses, to present the experience of a real or imagined event before a live audience in a specific place, often a stage. The performers may communicate this experience to the audience through combinations of gesture, speech, song, music, and dance. Elements of art, such as painted scenery and stagecraft such as lighting are used to enhance the physicality, presence and immediacy of the experience. The specific place of the performance is also named by the word "theatre" as derived from the Ancient Greek θέατρον (théatron, "a place for viewing"), itself from θεάομαι (theáomai, "to see", "to watch", "to observe"). Modern Western theatre comes, in large measure, from the theatre of ancient Greece, from which it borrows technical terminology, classification into genres, and many of its themes, stock characters, and plot elements. Theatre artist Patr ...
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Generic Trademark
A generic trademark, also known as a genericized trademark or proprietary eponym, is a trademark or brand name that, because of its popularity or significance, has become the generic term for, or synonymous with, a general class of products or services, usually against the intentions of the trademark's owner. A trademark is said to become ''genericized''—or, informally, to have suffered ''genericide''—when it begins as a distinctive product identifier but changes in meaning to become generic. This typically happens when the products or services which the trademark is associated with have acquired substantial market dominance or mind share, such that the primary meaning of the genericized trademark becomes the product or service itself rather than an indication of source for the product or service. A trademark thus popularised has its legal protection at risk in some countries such as the United States and United Kingdom, as its intellectual property rights in the trademark ...
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