DEVICE FOR READING GRAPHICAL AND TEXTUAL INFORMATION Russian patent published in 2007 - IPC G06K7/10 G02B6/10 

FIELD: tool-making industry, possible use for reading graphical and textual information, such as passport and visa documents at customs checkpoints, at customs control stations of airports, railroads and automobile roads.

SUBSTANCE: device includes lighting device and, mounted serially: four-sided prism with a part for positioning object of reading, three-sided rectangular prism, flat-concave lens, objective, matrix photo-receiver and block for processing image of the object of reading, connected to the matrix photo-receiver. Prism system has height which is substantially less than the smallest linear dimension of the document being read. Light beam from illuminated object of reading after multiple reflections in prism system is focused by objective in matrix photo-receiver without geometrical distortions of image of the object of reading.

EFFECT: simplified design of the block for processing image of the object of reading.

4 cl, 21 dwg