FORENSIC EXPERT VIDEO SYSTEM Russian patent published in 2014 - IPC G07D7/00 B82Y35/00 

FIELD: physics, optics.

SUBSTANCE: invention relates to means of authenticating bond paper and other secure printed product in different spectral ranges of visible, infrared and ultraviolet light which is reflected, slantwise incident or translucent. Disclosed is a video system which comprises a video camera with an objective lens, a ring mounting with a set of light filters, an object table with an illumination field window, a set of illuminators: yellow, green and blue LEDs, ultraviolet illuminators, as well as coinciding infrared LED illuminator and wide-band white light illuminator and located under the anti-glare glass of the illumination field window, an infrared LED illuminator under the anti-glare glass of the illumination field window. The firmware of the video system is designed for connecting the video system to the interface port of the system block of an external computer for preliminary setup thereof and adjustment for the next task.

EFFECT: high accuracy of determining the quality of the analysed product.

2 cl, 3 dwg