Searchlights, developed in the late 19th century, use reflectors to create a powerful beam of light that can be aimed precisely. They were initially used for military purposes but have since become common in advertising, entertainment, and law enforcement. They can be used on land or attached to aircraft for aerial searches.
Floodlights are powerful lighting equipment that use an array of reflectors to create a beam of light that can be aimed precisely in a particular direction. Developed in the late 19th century, the searchlight has been used in military operations, salvage projects, and even in advertising and entertainment businesses. Once available only in stationary models, today’s searchlights are built with a variety of swivel mechanisms that help make the device ideal for a wide range of applications.
The secret of projectors is the powerful beam of light emitted by the device. Created by the arrangement of reflectors and combined with a power source, light is a series of parallel beams that are focused in a common direction. The overall result is a large, united light body that can be used to illuminate a precise area.
Searchlights were developed for wartime use during the last years of the 19th century. The initial application is thought to be for spotting small torpedo boats that might threaten a larger battleship and often slip away undetected. Over time, searchlights became standard equipment on almost all types of seagoing vessels, as the device made it possible to locate and identify all kinds of objects in the dark. As a bonus, the searchlights could also function as powerful beacons for boats traveling in fog. Using searchlights in this way has been shown to significantly reduce the number of vessel collisions.
In addition to use in combat and as a safety measure on the water, searchlights have also come into common use on land. The smaller portable projectors began to be used for advertising as well as a means of creating a temporary landmark for a special event. After the invention of film, spotlights became a common premiere staple. Several powerful lights would spin overhead, adding even more excitement to the event. For many years, floodlights have been used as an add-on for all kinds of public events, such as award shows, store openings and large-scale holiday celebrations.
A common application of searchlights today is with local law enforcement. A portable searchlight is often part of the standard equipment in any police cruiser, while larger models are often used when a large area of ground needs to be scanned in connection with a search. Searchlights can be used at ground level or attached to helicopters or small aircraft as part of an aerial terrain search.
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