发明名称 |
AN EYE TRACKER USING AN OFF-AXIS, RING ILLUMINATION SOURCE |
摘要 |
A camera assembly for use in an eye tracking apparatus, the camera assembly including a camera with a lens having an axis (50); and a ring shaped light source (12) disposed around the image axis and near the periphery of the lens aperture, the light source oriented to direct light along the camera axis toward the target. |
申请公布号 |
WO9905988(A3) |
申请公布日期 |
1999.04.08 |
申请号 |
WO1998US15920 |
申请日期 |
1998.07.29 |
申请人 |
APPLIED SCIENCE LABORATORIES |
发明人 |
BORAH, JOSHUA, D.;VALOIS, CHARLES |
分类号 |
A61B3/113 |
主分类号 |
A61B3/113 |
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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