发明名称 IMAGE PICKUP DEVICE AND VIDEO EQUIPMENT SYSTEM
摘要 PROBLEM TO BE SOLVED: To realize an appropriate focus correction by detecting temperature to obtain accurate information on the change of the back focus of an image pickup lens. SOLUTION: In a video camera, a temperature detecting element 25 is arranged on a flexible wiring board 24 to which image pickup elements 21 to 23 such as a CCD, etc., are electrically connected and the information on the change of the back focus of a movable lens group consisting of three lenses 10a, 10b and 10c is obtained by using a detection output signal from the detecting element 25. Based on the information on the change of the back focus, the focus position of the movable lens group is corrected.
申请公布号 JPH09304678(A) 申请公布日期 1997.11.28
申请号 JP19960116261 申请日期 1996.05.10
申请人 CANON INC 发明人 KAWASE KAZUHIKO
分类号 G03B13/36;G02B7/02;G02B7/28;G03B17/14;H04N5/232;(IPC1-7):G02B7/02 主分类号 G03B13/36
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