Patent No. 5194008 Subliminal image modulation projection and detection system and method
Patent No. 5194008 Subliminal image modulation projection and detection system and method (Mohan, et al., Mar 16, 1993) ASSIGNEE: Spartanics, Ltd., Rolling Meadows, IL Abstract Weapon training simulation system including a computer operated video display scene whereon is projected a plurality of visual targets. The computer controls the display scene and the targets, whether stationary or moving, and processes data of a point of aim sensor apparatus associated with a weapon operated by a trainee. The sensor apparatus is sensitive to non-visible or subliminal modulated areas having a controlled contrast of brightness between the target scene and the targets. The sensor apparatus locates a specific subliminal modulated area and the computer determines the location of a target image on the display scene with respect to the sensor apparatus. Notes: BACKGROUND OF THE INVENTION This disclosure relates generally...