THREE-DIMENSIONAL COLOR DISPLAY Russian patent published in 1998 - IPC

FIELD: image presentation for physical experiments and information displaying. SUBSTANCE: device has laser, unit for scanning and modulation of laser beam. Latter unit is designed as set of plates which rotate about device axis and are inclined with respect to plane which is perpendicular to device axis. Each plate is covered with material which converts laser beam to visible light. Each plate is covered with its own material which depends on used color measurement system. EFFECT: increased functional capabilities. 2 cl, 1 dwg