发明名称 Image pickup apparatus
摘要 An image pickup apparatus, which includes an eye point sensor for detecting an eye point in a frame, a calculation circuit for calculating average coordinates of the eye point in the frame detected by the eye point sensor, a setting circuit for setting a distance measurement frame at the average coordinates output from the calculation circuit, and a control circuit for controlling the size of the distance measurement frame according to the focal length, is disclosed. An image pickup apparatus, which includes a focus calculation circuit for detecting a focus state by detecting the dispersion range of an eye point, is also disclosed.
申请公布号 US5594500(A) 申请公布日期 1997.01.14
申请号 US19950490515 申请日期 1995.06.14
申请人 CANON KABUSHIKI KAISHA 发明人 TANAKA, TAEKO;KANEDA, KITAHIRO
分类号 G02B7/28;G02B27/22;H04N5/232;(IPC1-7):H04N5/232 主分类号 G02B7/28
代理机构 代理人
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