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The development of automatic headlight systems at General Motors can be traced back to the early 1950s. In 1952, GM introduced the Autronic Eye, an automatic headlight dimming system, for Oldsmobile and Cadillac models. [2] Twilight Sentinel, which expanded on the concept of automatic lighting control, was introduced in the mid-1960s.
General Motors introduced the first automatic headlight dimmer called the "Autronic Eye" in 1952 on their Cadillac, Buick, and Oldsmobile models; the feature was offered in other GM vehicles starting in 1953. [148] [149] The system's phototube and associated circuitry were housed in a gunsight-like tube atop the dashboard. An amplifier module ...
In the paper "Energy savings due to occupancy sensors and personal controls: a pilot field study", Galasiu, A.D. and Newsham, G.R have confirmed that automatic lighting systems including occupancy sensors and individual (personal) controls are suitable for open-plan office environments and can save a significant amount of energy (about 32% ...
In distributive light systems, the light from a single source is sent via optical fibres or light guides to wherever it is needed in the automobile. Light guides are commonly used to distributively light dashboard displays, [ 155 ] and premium vehicles are beginning to use distributive systems for lighting such items as door locks, window ...
Gentex Corporation is an American electronics and technology company that develops, designs, and manufactures automatic-dimming rear-view mirrors, camera-based driver assistance systems, and other equipment for the automotive industry. [3] They produce dimmable aircraft windows for the commercial, business and general aviation markets.
Full-voltage vs. parking light headlamp on European-market Volkswagen, 2007. Depending on prevailing regulations and equipment, vehicles may implement the daytime-running light function by functionally turning on specific lamps, by operating low-beam headlamps or fog lamps at full or reduced intensity, by operating high-beam headlamps at reduced intensity, or by steady-burning operation of the ...
Via a three-colored light on top of the unit, a real-time sensor communicates indoor air quality – poor, moderate or good — with an Auto mode that will optimize an setting (1 through 3) based ...
In 1986 Vari-Lite introduced a new series of lighting fixtures and control consoles. They referred to the new system as their Series 200, with the new lights designated "VL-2 Spot Luminaire", and "VL-3 Wash Luminaire". The Series 200 system was controlled by the Artisan console. Vari-Lite retroactively named the original system "series-100".