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A number of street light control systems have been developed to control and reduce energy consumption of a town's public lighting system. These range from controlling a circuit of street lights and/or individual lights with specific ballasts and network operating protocols.
A twilight switch is an electronic component that allows the automatic activation of a lighting circuit when natural light drops in a given environment. Among a large number of uses, the most common is to enable automatic lighting of streets, roads, highways, roads, gardens, courtyards, etc., when sunlight drops below a certain level (e.g.: a ...
Street lights can be made intelligent by placing cameras or other sensors on them, which enables them to detect movement (e.g. Sensity's Light Sensory Network, GE's "Currents", Tvilight's CitySense). [5] [6] Additional technology enables the street lights to communicate with one another. Different companies have different variations to this ...
Urban Light is composed of 202 street lamps arranged in a near grid. The lamps mostly came from the streets of Southern California, including Hollywood, Glendale, and Anaheim, with some from Portland, Oregon. There are 16 different streetlight models represented, many of which were commissioned for particular neighborhoods and streets. [3]
Gas lamps gradually started replacing oil street lamps in the United States, beginning in the first quarter of the 19th century. [3] The first street in the world to be illuminated by gaslight was Pall Mall in London, starting in 1807. [1] [5] The first US city to use gas street lights was Baltimore, starting in 1817. [4]
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