发明名称 |
Image capturing apparatus and image capturing method |
摘要 |
An image capturing apparatus has a function of automatically focusing on an object to be photographed. The apparatus includes a first image-obtaining unit that includes a picture-taking lens which includes a focusing lens, and a first imaging sensor to obtain a first image of the object; a second image-obtaining unit that includes a range-finding lens and a second imaging sensor to obtain a second image of the object; a range finder that calculates a distance to the object by using the first image data and the second image data; and a focus control unit that moves the focusing lens according to the distance calculated by the range finder to attain focus on the object. The range finder includes an image-forming-position determining unit which determines a first image forming position and a second image forming position, based on which a distance calculating unit calculates a distance to the object. |
申请公布号 |
US8648961(B2) |
申请公布日期 |
2014.02.11 |
申请号 |
US201113190005 |
申请日期 |
2011.07.25 |
申请人 |
MORIHISA TAIJIRO;KITAJIMA TATSUTOSHI;RICOH COMPANY, LIMITED |
发明人 |
MORIHISA TAIJIRO;KITAJIMA TATSUTOSHI |
分类号 |
H04N5/232 |
主分类号 |
H04N5/232 |
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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