Apparatus and method for providing both day and night vision...

Details Apparatus and method for providing both day and night vision... Apparatus and method for providing both day and night vision...

2007-04-10

2007-04-10

Perkey, W. B. (Department: 2851)

Optics: image projectors

Plural

C353S028000, C353S084000, C353S122000, C348S798000, C348S122000

Reexamination Certificate

active

11117646

ABSTRACT:
An apparatus for providing both day vision simulations and night vision simulations includes a projector that seamlessly provides both night and daytime training modes. The projector includes two independent light sources, with an embedded night vision filter affixed inside the projector proximate one of the light sources to achieve the night training mode. The operator will select one light source according to the mode desired (daytime training mode or nighttime training mode). Each light source may easily be selected, and the light paths from both of the light sources may have a common path when exiting the projector for efficient operation between modes.

REFERENCES:
patent: 6196845 (2001-03-01), Streid
patent: 6842204 (2005-01-01), Johnson
patent: 2003/0128427 (2003-07-01), Kalmanash et al.
patent: 2004/0227899 (2004-11-01), Kurosaka et al.
patent: 2004/0227906 (2004-11-01), Cole et al.
patent: 2005/0134811 (2005-06-01), Magarill et al.

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