04398799 is referenced by 72 patents and cites 6 patents.

In a head-up display system by which visual information from a display is superimposed by means of a combiner on a pilot's view of the outside scene, the pilot's view is recorded by a head mounted camera to which light from the outside scene and superimposed display is reflected by a head-mounted mirror. The arrangement is particularly useful for pilot training purposes.

Title
Head-up displays
Application Number
6/237694
Publication Number
4398799
Application Date
February 24, 1981
Publication Date
August 16, 1983
Inventor
David W Swift
Prestatyn
GB
Agent
F Eugene Davis IV
Assignee
Pilkington P E
GB
IPC
G09B 9/08
G02B 7/18
G02B 27/14
View Original Source