FIELD: projection equipment. SUBSTANCE: method involves preliminary compensation of trapezoid distortions of asymmetric image. If projection lens in projection device is located at descending angle, then goal of invention is achieved by responding to projection angle setting signal from projection angle setting unit. This results in correct projection of image on screen (for example, it is shaped as rectangle). Goal of invention is also achieved by using digital circuits and software tools. EFFECT: projection of improved image, increased functional capabilities, facilitated use. 22 cl, 12 dwg
Authors
Dates
2000-06-20—Published
1996-07-22—Filed