05621572 is referenced by 49 patents and cites 49 patents.

A head mounted display system includes focusing optics to focus light from an image source, retro-reflector and beamsplitter, the image source and beamsplitter directing light toward the retro-reflector being directed via the beamsplitter for viewing, thereby to use conjugate optics effectively to place the viewing eye or detector in relation to the image source the same as the relation of the focusing optics or it may be remotely located. A method for forming an image using conjugate optics which light from a source is focused to form a real image at a retro-reflector and is reflected for viewing.

Title
Optical system for a head mounted display using a retro-reflector and method of displaying an image
Application Number
8/295383
Publication Number
5621572
Application Date
August 24, 1994
Publication Date
April 15, 1997
Inventor
James L Fergason
92 Adam Way, Atherton, 94025
CA, US
Agent
Renner Otto Boisselle & Sklar P L L
IPC
G02B 27/14
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