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Name of system Line Date System Notes Brazil: Porto Alegre Metro: Metro-Airport Connection: 10 August 2013: Aeromovel: São Paulo Metro: Line 1 (Blue) 3 July 2022: Alstom Urbalis CBTC [7] Line 2 (Green) 2 March 2020: Line 3 (Red) December 2022 (Under Conversion) Line 4 (Yellow) 25 May 2010: Siemens Trainguard MT CBTC: First completely ...
“The experimental ‘Crosswalk Warning System’, also known as the ‘LightGuard System’ or the ‘Santa Rosa Lights’ consists of warning lights housed in a unit which is installed on the pavement adjacent to a marked crosswalk. The lights reflect out toward the oncoming traffic to warn drivers of a pedestrian’s presence.” [4]
The wide-scale deployment of radio-frequency technologies was a key factor in the expansion of wireless devices and systems. However, the portion of the electromagnetic spectrum used by wireless systems is limited in capacity, and licenses to use parts of the spectrum are expensive. With the rise in data-heavy wireless communications, the ...
A lighting control system is intelligent network-based lighting control that incorporates communication between various system inputs and outputs related to lighting control with the use of one or more central computing devices. Lighting control systems are widely used on both indoor and outdoor lighting of commercial, industrial, and ...
Image credits: milwbrewsox #7. My wife and I have this ceiling fan/light in our bedroom in the house we moved into two years ago. It has a remote control for the fan and lights.
VLC systems take advantage of light-emitting diodes (LEDs) which can be pulsed at very high speeds without a noticeable effect on the lighting output and human eye. VLC can be possibly used in a wide range of applications including wireless local area networks , wireless personal area networks and vehicular networks , among others. [ 17 ]