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Two light switches in one box. The switch on the right is a dimmer switch. The switch box is covered by a decorative plate. The first light switch employing "quick-break technology" was invented by John Henry Holmes in 1884 in the Shieldfield district of Newcastle upon Tyne. [1]
Developing technology behind the modern light switch John Henry Holmes (1857 – 1935) was an English electrical engineer , inventor, Quaker and pioneer of electric lighting who invented the quick break light switch, the technology behind which remains the basis for modern wall mounted light switches .
"Light Switch" is a song recorded and produced by American singer-songwriter Charlie Puth. It was released on January 20, 2022, as the lead single from his third studio album, Charlie (2022). [ 2 ] Puth wrote the song alongside Jacob Kasher Hindlin and Jake Torrey. [ 3 ]
Modern dimmer designs use microprocessors to convert the digital signal directly into a control signal for the switches. This has many advantages, giving closer control over the dimming, and giving the opportunity for diagnostic feedback to be sent digitally back to the lighting controller.
An optical transistor, also known as an optical switch or a light valve, is a device that switches or amplifies optical signals.Light occurring on an optical transistor's input changes the intensity of light emitted from the transistor's output while output power is supplied by an additional optical source.
The term lighting control system refers to an intelligent networked system of devices related to lighting control. These devices may include relays, occupancy sensors, photocells, light control switches or touchscreens, and signals from other building systems (such as fire alarm or HVAC). Adjustment of the system occurs both at device locations ...