This tactile information is generally known as force feedback in medical, video gaming and military training applications.
Virtual reality also refers to remote communication environments which provide a virtual presence of users with through telepresence and telexistence or the use of a virtual artifact (VA).
Heilig also developed what he referred to as the "Telesphere Mask" (patented in 1960).
The patent application described the device as "a telescopic television apparatus for individual use...
The term "artificial reality", coined by Myron Krueger, has been in use since the 1970s.
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.
Paramount for the sensation of immersion into virtual reality are a high frame rate (at least 95 fps), as well as a low latency.
Furthermore, a pixel persistence lower than 3 ms is required, because if not, users will feel sick when moving their head around.
The immersive environment can be similar to the real world in order to create a lifelike experience grounded in reality or sci-fi.
Augmented reality systems may also be considered a form of VR that layers virtual information over a live camera feed into a headset, or through a smartphone or tablet device.describes a goggle-based virtual reality system with holographic recording of fictional experiences, including smell and touch.