| US 7,589,902 B2 | ||
| Method of combining images in a wearable display system | ||
| John Garoutte, Port Orchard, Wash. (US); David Bajorins, Kirkland, Wash. (US); and Chris Gnehm, Bremerton, Wash. (US) | ||
| Assigned to Concurrent Technologies Corporation, Johnstown, Pa. (US) | ||
| Filed on Sep. 19, 2007, as Appl. No. 11/901,917. | ||
| Application 11/901917 is a division of application No. 11/221268, filed on Sep. 07, 2005. | ||
| Claims priority of provisional application 60/608406, filed on Sep. 08, 2004. | ||
| Prior Publication US 2008/0013185 A1, Jan. 17, 2008 | ||
| Int. Cl. G02B 27/14 (2006.01); G09G 5/00 (2006.01) | ||
| U.S. Cl. 359—630 [359/631; 359/633; 359/900; 345/7; 345/8] | 5 Claims |
| 1. A method of combining a synthetic image with a contemporaneously viewable real image in a wearable display device, said
method comprising:
a. producing, by a display engine, light representative of a synthetic image;
b. producing additional light to illuminate the display engine;
c. polarizing a portion of the additional light and reflecting such polarized portion of additional light onto the display
engine to enable the display engine to produce the light defining the synthetic image;
d. relaying said light to a wire grid polarizing combiner;
e. reflecting at least a portion of said light toward an eye of the viewer, said reflected portion of light representative
of said synthetic image; and
f. contemporaneously imaging said real image through said wire grid polarizing combiner, such that said synthetic image is
overlaid onto said real image.
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