PROJECTOR APPARATUS, PROJECTION METHOD, AND RECORDING MEDIUM STORING PROJECTION METHOD

摘要

A projection unit (12, 35, 36, 37, 38), instruction unit 45 that an instruction for performing keystone correction for projecting an image corresponding to the input video signal, the projection unit in accordance with an instruction from the instruction unit for surveying the distance between a plurality of positions above the projector apparatus and the image projected by distance measurement unit 43, and the image is to bring the image projected by the projection unit into focus on the central portion of the image after the keystone correction a projector device having a focus control unit 395 for performing keystone correction of the image projected by the projection unit in a way that is introduced into a rectangle having an appropriate aspect ratio based on distances obtained by the distance survey unit for. ; Projector apparatus, keystone correction, the projected unit, the instruction unit, measurement unit, a focus control unit