发明名称 IMAGE READER AND FOCUSING CONTROL METHOD
摘要 PROBLEM TO BE SOLVED: To provide an image reader and a focusing control method for focusing on a specified area in an image with high precision. SOLUTION: On a film 16, a plurality of positions for obtaining focus data are set first. Then an area to preferentially be focused on in the frame image of the film 16 is set. The area is set including the plurality of positions for obtaining the focus data. According to pieces of focus data obtained in the area to preferentially be focused on, virtual focus data are obtained. According to the virtual focus data, the lens of a lens unit 22 is moved to focus on the frame image, and a CCD unit 20 reads the frame image. COPYRIGHT: (C)2004,JPO
申请公布号 JP2003295328(A) 申请公布日期 2003.10.15
申请号 JP20020104802 申请日期 2002.04.08
申请人 NORITSU KOKI CO LTD 发明人 OHIRO HIDEKAZU
分类号 G03B27/34;H04N1/028;H04N1/04;(IPC1-7):G03B27/34 主分类号 G03B27/34
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