Patent ID: 6780015
Filing Date: 2004-08-24
Classification: G09B

Abstract:
A training system for teaching the use of night vision goggles comprising:a. a pair of simulated night vision goggles; b. an image generation system generating three separate high fidelity, infrared, computer radiated terrain images, each computer radiated terrain image allocated to a portion of a total dynamic range of irradiance and driven by successively higher order bytes of digital video, wherein said image generation system includes a graphics generator, and wherein said image generation system is separate from said pair of simulated night vision goggles providing off-helmet image generation; c. a second system in communication with said image generation system including weighted neutral density filters that optically combine the outputs of said three infrared computer radiated terrain images and said second system providing each of said computer radiated terrain images simultaneously to stimulate an image intensifier tube to provide about 200 dB dynamic range of irradiance and to provide sufficient dynamic range of irradiance to said image intensifier tube to simulate direct viewing of bright lights; and d. a third system for scan converting a resulting image generated at the output of said image intensifier tube for display on said simulated goggles including a high-resolution video camera to preserve the resolution and dynamic range of said image.