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Mercedes-Benz introduced side turn signal repeaters integrated into the side-view mirrors in 1998, starting with its facelifted E-Class (W210). [citation needed] Since then, many automakers have been incorporating side turn signal devices into the mirror housings rather than mounting them on the vehicle's fenders. Some evidence suggests that ...
Fluorescent light fixtures cannot be connected to dimmer switches intended for incandescent lamps. Two effects are responsible for this: the waveform of the voltage emitted by a standard phase-control dimmer interacts badly with many ballasts, and it becomes difficult to sustain an arc in the fluorescent tube at low power levels.
In 1991, exterior electrochromic mirrors were added to the Gentex product line. These mirrors operate on the same principle as the interior mirrors. [8] In 1997 the geometry of the mirror's surface was adapted to create spherically curved glass with the goals of eliminating blind spots and offering an expanded field of view. [15]
George Inman later teamed with General Electric to create a practical fluorescent lamp, sold in 1938 and patented in 1941. [6] Circular and U-shaped lamps were devised to reduce the length of fluorescent light fixtures. The first fluorescent light bulb and fixture were displayed to the general public at the 1939 New York World's Fair.
A wide variety of special light fixtures are created for use in the automotive lighting industry, aerospace, marine and medicine sectors. [2] [3] Portable light fixtures are often called lamps, as in table lamp or desk lamp. In technical terminology, the lamp is the light source, which, in casual terminology, is called the light bulb.
The fluorescent dye, rhodamine 6G, is commonly used in applications such as highlighter pens, dye lasers, and automotive leak detection. The absorption profile is a mirror of the emission profile. For many fluorophores the absorption spectrum is a mirror image of the emission spectrum.
Original 4–13 W miniature fluorescent range from 1950s or earlier. [1] Two newer ranges, high-efficiency (HE) 14–35 W, and high-output (HO) 24–80 W, introduced in the 1990s. [2] Panasonic's range of FHL fluorescent tubes in 18W, 27W, and 36W varieties for the Japanese market. Circular fluorescent tubes.
In 2003, Automotive Lighting became fully owned by Magneti Marelli. Since 2019, after the merger of Magneti Marelli and Calsonic Kansei the one-company's name is Marelli. Automotive Lighting was the first company to introduce rear LED lights in 2003 for the Peugeot 307 CC, [1] and the first full-LED headlamp in mass production for the Audi R8 ...