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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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