发明名称 Projection type display device
摘要 In a projection type display device having an electrical trapezoidal distortion correcting function, there are provided detection means for detecting an angle of inclination in the vertical direction of an optical axis of the projection type display device toward a screen surface, and control means for controlling the display position of an on screen display image displayed in a screen on the basis of the angle of inclination detected by the detection means.
申请公布号 US2003095239(A1) 申请公布日期 2003.05.22
申请号 US20020293618 申请日期 2002.11.14
申请人 HIRAO YOSHICHIKA;KAISE NAOKI 发明人 HIRAO YOSHICHIKA;KAISE NAOKI
分类号 G09G3/36;G09G3/20;G09G5/00;H04N5/445;H04N5/74;H04N17/00;(IPC1-7):G03B21/00 主分类号 G09G3/36
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