Full color holographic image combiner system

Details Full color holographic image combiner system Full color holographic image combiner system

2005-06-14

2005-06-14

Boutsikaris, Leonidas (Department: 2872)

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

C359S013000, C359S027000, C345S007000

Reexamination Certificate

active

06906836

ABSTRACT:
A device, such as a heads up display, includes equipment for generating a virtual image in the field of view of an observer. The equipment includes at least one light source having a wavelength range less than 2 nm. The light source can be a low pressure gas discharge lamp. The device also includes a holographic optical element that provides a virtual image. The device also includes an image source, such as a mask or an LCD. In one embodiment the holographic optical element combines an image on a display with an ambient image. The holographic element provides multiple colors undistorted in a virtual image appearing to the observer as converging from the same distance.

REFERENCES:
patent: 5187597 (1993-02-01), Kato et al.
patent: 5475512 (1995-12-01), Nakazawa et al.
patent: 5859714 (1999-01-01), Nakazawa et al.
patent: 2002/0154349 (2002-10-01), Halldorsson et al.
Handbook of Optics, M.Bass Editor, vol. I, pp. 10.42-10.43, McGraw-Hill(1995).

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