发明名称 |
Distance-measuring apparatus and method for camera |
摘要 |
A distance-measuring apparatus for a camera comprises an area sensor, an integration circuit, and a switching circuit. The above-mentioned area sensor receives light of a picture image in the image plane. The integration circuit integrates output signals of this area sensor. The control circuit controls. operations of starting and stopping the integration of the above-mentioned integration circuit, based on output signals corresponding to a specific block of the above-mentioned area sensor. The switching circuit switches the above-mentioned specific block according to using state of the camera.
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申请公布号 |
US2002146247(A1) |
申请公布日期 |
2002.10.10 |
申请号 |
US20020153305 |
申请日期 |
2002.05.22 |
申请人 |
OLYMPUS OPTICAL CO., LTD. |
发明人 |
NONAKA OSAMU |
分类号 |
G01C3/08;G02B7/28;G03B13/36;G03B17/56;(IPC1-7):G03B13/18 |
主分类号 |
G01C3/08 |
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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