发明名称 PROJECTION DISPLAY DEVICE
摘要 PROBLEM TO BE SOLVED: To provide a projection display device in which an on-screen image can be made easy to watch by suppressing decrease in the information quantity of the on-screen image to low which is caused by trapezoidal distortion correction in the projection display device equipped with an electric trapezoidal distortion correcting function. SOLUTION: The projection display device having the electric trapezoidal distortion correcting function is provided with a detection means for detecting the vertical inclination angle of the optical axis of the projection display device to the surface of a screen and a control means for controlling the display position of the on-screen image to be displayed within the screen on the basis of the inclination angle detected by the detection means.
申请公布号 JP2003153135(A) 申请公布日期 2003.05.23
申请号 JP20010351853 申请日期 2001.11.16
申请人 SANYO ELECTRIC CO LTD 发明人 HIRAO YOSHICHIKA;KAIZE NAOKI
分类号 G09G3/36;G09G3/20;G09G5/00;H04N5/74;H04N17/00 主分类号 G09G3/36
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