Knowledge

Rear-view mirror

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cars offered these automatic mirrors as optional equipment as early as 1959, but few customers ordered them for their cars and the item was soon withdrawn from the option lists. Several automakers began offering rear-view mirrors with automatic dimming again in 1983, and it was in the late 1980s that
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On manual tilt versions, a tab is used to adjust the mirror between "day" and "night" positions. In the day view position, the front surface is tilted and the reflective back side gives a strong reflection. When the mirror is moved to the night view position, its reflecting rear surface is tilted out
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On trucks and buses, the load often blocks rearward vision out the backlight. In the U.S. virtually all trucks and buses have a side view mirror on each side, often mounted on the doors and viewed out the side windows, which are used for rear vision. These mirrors leave a large unviewable ("blind")
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In 1956, the Civil Aeronautical Administration proposed a rear-view mirror mounted right above the pilot to keep an eye when private aircraft are landing or taxiing on the runway to prevent collisions. Fighter aircraft usually have one or more rear-view mirrors mounted on the front canopy frame to
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have been built into many new model cars, this was partially in response to the rear-view mirrors' inability to show the road directly behind the car, due to the rear deck or trunk obscuring as much as 3–5 meters (10–15  feet) of road behind the car. As many as 50 small children are killed by
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motorcycles are generally required to have rear-view mirrors. Motorcycles for off-road use only normally do not have rear-view mirrors. Rear-view mirrors come in various shapes and designs and have various methods of mounting the mirrors to the motorcycle, most commonly to the
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Early use of fixed mirrors was described as early as 1906, with a trade magazine noting mirrors for showing what is coming behind were now popular on closed bodied automobiles, and were likely to be widely adopted in a short time. The same year, a Mr. Henri Cain from
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In the "day" position, the driver sees the road behind by reflection on the (rear) metal surface. In the "night" position, the driver sees the dimmer reflection on the (front) glass coating. The light is attenuated in the second mode, which partially compensates the
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area behind the vehicle, which tapers down as the distance increases. This is a safety issue which the driver must compensate for, often with a person guiding the truck back in congested areas, or by backing in a curve. "Spot mirrors", a
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which provides a distorted image of the entire side of the vehicle, are commonly mounted on at least the right side of a vehicle. In the U.S. mirrors are considered "safety equipment", and are not included in width restrictions.
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of vehicles behind which would otherwise be reflected directly into the driver's eyes at night. This type of mirror is made of a piece of glass that is wedge-shaped in cross-section—its front and rear surfaces are not parallel.
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secondary rear-view mirrors are available. They attach to the main rear-view mirror and are independently adjustable to view the back seat. This is useful to enable adults to monitor children in the back seat.
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is usually credited with inventing the rear-view mirror, though in fact he was the first to patent it (1921) and develop it for incorporation into production street going automobiles by his Berger and Company.
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every year in the USA because the driver cannot see them in their rear-view mirrors. Camera systems are usually mounted to the rear bumper or lower parts of the car, allowing for better rear visibility.
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of line with the driver's view. This view is actually a reflection of the low-reflection front surface; only a much-reduced amount of light is reflected in the driver's eyes.
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mount allowing it to be adjusted to suit the height and viewing angle of any driver and to swing harmlessly out of the way if impacted by a vehicle occupant in a
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in 1904. Harroun also claimed that the mirror vibrated constantly due to the rough brick surface, and it was rendered largely useless.
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race in 1911. Harroun himself claimed he got the idea from seeing a mirror used for a similar purpose on a
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and other vehicles, designed to allow the driver to see rearward through the vehicle's rear window (rear
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developed a light-sensitive automatic mechanism for the wedge-type day/night mirror. Several
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protesters have cited this as an example of the minor violations used as grounds for
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mounted in the rear-view mirror to detect light and dim the mirror by means of
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Rear-view mirror showing cars parked behind the vehicle containing the mirror
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In cars, the rear-view mirror is usually affixed to the top of the
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The Automobile (weekly), Thursday, 27 December 1906, p. 910
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Objects are sometimes hung from the rear-view mirror, including
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Cycle & Automobile Trade Journal, 1 December 1908, p249
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Mirror in vehicles that allows the driver to see rearwards
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Baker, Mike; Bogel-Burroughs, Nicholas (17 April 2021).
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suspended from the rear-view mirror of an automobile
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CBS News. 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Index

Rear view mirror
Rear-view mirror (disambiguation)

flat
automobiles
windshield
windshield
swivel
collision
side-view mirrors
trucks
motorcycles
bicycles

Ray Harroun
Marmon
Indianapolis Motor Speedway

France
Ray Harroun
Marmon
Indianapolis 500
horse-drawn vehicle
Elmer Berger
rear-view video cameras
SUVs
Aftermarket

headlamps

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