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View through a peephole Barack Obama looking through the Oval Office door peephole Door viewer in the gate of Vaxholm Fortress. A peephole, peekhole, spyhole, doorhole, magic eye, magic mirror or door viewer is a small, round opening through a door from which a viewer on the inside of a dwelling may "peek" to see directly outside the door.
Hard hat mirrors are typically very small due to the close visual proximity and are made of ABS plastic with a reflective surface of either glass or acrylic.Some headgear-mounted mirrors are held permanently in place with adhesives although ones designed specifically for industrial applications are mechanically attached and are therefore removable and have a higher degree of adjustability. [2]
A driveway alarm may be connected to a burglar alarm that is used to alert the home owner or security service after it detects an intruder. Such a driveway may also trigger a security camera. Driveway alarms have found great application in domestic and commercial applications, especially in retail drive thru applications. [1]
The blue car's driver sees the green car through the mirrors but cannot see the red car without turning to check the blind spot (the mirrors are not properly adjusted) As one is driving an automobile , blind spots are the areas of the road that cannot be seen while looking forward or through either the rear-view or side mirrors (expecting that ...
This system was first introduced on the 2001 Volvo SCC concept car, then placed into production on the 2003 Volvo XC90 SUV and produced a visible alert when a car entered the blind spot while a driver was switching lanes, using cameras and radar sensors mounted on the door mirror housings to check the blind spot area for an impending collision ...
Safelite Group, Inc. is an American provider of automotive glass repair and replacement services, wholesale automotive glass sales, along with insurance claims management, based in Columbus, Ohio. Safelite is being sued by the state of California and faces a September 2025 trial for alleged insurance fraud.
The system debuted in 2000, and is now available on many new cars, SUVs, and trucks. [5] In 2002, the Iteris system became available on Freightliner Trucks' North American vehicles. In both these systems, the driver is warned of unintentional lane departures by an audible rumble strip sound generated on the side of the vehicle drifting out of ...
In optics, aberration is a property of optical systems, such as lenses and mirrors, that causes the image created by the optical system to not be a faithful reproduction of the object being observed. Aberrations cause the image formed by a lens to be blurred, distorted in shape or have color fringing or other effects not seen in the object ...