| 发明名称 |
Projection type video display |
| 摘要 |
A projection type video display has a sensor which includes an image pick up device to take a projected image and the projection type video display projects an adjustment image to automatically implement the focus adjustment and the keystone distortion correction on the basis of output of the sensor.
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| 申请公布号 |
US7384157(B2) |
申请公布日期 |
2008.06.10 |
| 申请号 |
US20050034754 |
申请日期 |
2005.01.14 |
| 申请人 |
SANYO ELECTRIC CO., LTD. |
发明人 |
MURAOKA KOJI;KAISE NAOKI;HIRAO YOSHICHIKA;KIRIMURA TORU;NAKANISHI RYOJI |
| 分类号 |
G02F1/13;G03B21/14;G03B21/00;H04N5/74;H04N9/31;H04N17/00;H04N17/04 |
主分类号 |
G02F1/13 |
| 代理机构 |
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