The additional software-generated images with the virtual scene typically enhance how the real surroundings look in some way.
Some AR systems use a camera to capture the user's surroundings or some type of display screen which the user looks at (e.g., Microsoft's Holo Lens, Magic Leap).
The program was a crude virtual simulation of Aspen, Colorado in which users could wander the streets in one of the three modes: summer, winter, and polygons.
The patent application described the device as "a telescopic television apparatus for individual use...
The spectator is given a complete sensation of reality, i.e.
The term "artificial reality", coined by Myron Krueger, has been in use since the 1970s.
The term "virtual reality" was first used in a science fiction context in The Judas Mandala, a 1982 novel by Damien Broderick. AR is a type of virtual reality technology that blends what the user sees in their real surroundings with digital content generated by computer software.