发明名称 |
Optical apparatus equipped with sight line detector |
摘要 |
An apparatus for using correction data to correct for personal differences, to provide sight line information. The apparatus includes an image sensor for photographing an eyeball, a pupil diameter determination device for determining a pupil diameter of the eyeball in accordance with an output of the image sensor and a changing device for changing the correction data on the basis of the pupil diameter determined by the pupil diameter determination device.
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申请公布号 |
US5913080(A) |
申请公布日期 |
1999.06.15 |
申请号 |
US19980012647 |
申请日期 |
1998.01.23 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
YAMADA, AKIRA;NAGATA, KEIJI;IRIE, YOSHIAKI;NAGANO, AKIHIKO |
分类号 |
G02B7/28;G02B27/00;G03B13/02;G03B17/00;G03B17/18;(IPC1-7):G03B17/00 |
主分类号 |
G02B7/28 |
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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