发明名称 AUTOMATIC FOCUS CONTROLLER FOR IMAGING DEVICE
摘要 PROBLEM TO BE SOLVED: To make focusing operation fast by a contrast AF type focusing method. SOLUTION: It is decided whether a photographic environment is indoor or outdoor from the output level of infrared rays and a focusing lens 1 is moved in a 1st section A close to an object S when the environment is indoor or in a 2nd section B far away from the object S when outdoor, thereby obtaining a focusing point. The focusing lens 1 is only moved in the 1st section A or 2nd section B, and the time needed for focusing can be shortened. COPYRIGHT: (C)2006,JPO&NCIPI
申请公布号 JP2005283957(A) 申请公布日期 2005.10.13
申请号 JP20040097581 申请日期 2004.03.30
申请人 SANYO ELECTRIC CO LTD 发明人 FURUYAMA KANICHI
分类号 G03B13/36;G02B7/28;G02B7/36;H04N5/232;(IPC1-7):G02B7/28 主分类号 G03B13/36
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