FIELD: physics, optics.
SUBSTANCE: claimed device comprises units that follow. Unit to emit light onto display surface fitted on the bed. Unit to scan said display surface and unit to spin the image formed on display surface about axis of rotation located nearby the centre. Unit to vary the position of rasterizing, hence, the image position. Unit to read direction of the motion of a person and unit to control the excitation of rasterizing position varying unit proceeding from the results of reading by read unit. Control unit controls the excitation of rasterizing position varying unit so that image is located ahead in direction of the motion of said person.
EFFECT: perfected image identification owing to setting of image orientation for ease of browsing.
9 cl, 23 dwg
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