发明名称 |
Projector executing keystone correction |
摘要 |
An automatic keystone correction which enables even an inexperienced user to easily obtain an image corrected using the keystone distortion during a tilted projection. The projector detects varying of its elevation angle by using an elevation detecting module. When the angle stops varying, the projector determines that the elevation adjustment by the user ends, and executes auto keystone correction of the input image according to the elevation angle.
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申请公布号 |
US6974217(B2) |
申请公布日期 |
2005.12.13 |
申请号 |
US20030465879 |
申请日期 |
2003.06.20 |
申请人 |
SEIKO EPSON CORPORATION |
发明人 |
KIMURA KEISHI;KOYAMA TAKAAKI |
分类号 |
G03B21/00;(IPC1-7):G03B21/00;G03B21/14 |
主分类号 |
G03B21/00 |
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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