Projector apparatus, projection method, and record

专利名称：Projector apparatus, projection method, and

recording medium storing projectionmethod

发明人：Takashi Akutsu申请号：US10925163申请日：20040824

公开号：US20050046804A1公开日：20050303

专利附图：

摘要：A projector apparatus is disclosed which has a projection unit which projectsimage corresponding to an input image signal, an instruction unit which issues an

instruction for performing keystone correction, a distance survey unit which surveysdistances between the projector apparatus and a plurality of positions on the imageprojected by the projection unit in accordance with an instruction from the instructionunit, and a focus control unit which performs keystone correction of the image projectedby the projection unit in a manner that the image becomes a rectangle having anappropriate aspect ratio based on the distances obtained by the distance survey unit,while bringing the image projected by the projection unit into focus at the center positionof the image after being keystone-corrected.

申请人：Takashi Akutsu

地址：Tokyo JP

国籍：JP

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