发明名称 CAMERA
摘要 PROBLEM TO BE SOLVED: To provide a camera capable of preventing the leakage of a light beam from a light shielding blade group and improving durability even in the case of contriving the speeding-up of shutter charge. SOLUTION: The camera is equipped with a shutter unit consisting of a plurality of light shielding blades and having a blade driving mechanism for driving the light shielding blade group capable of opening/closing a light passing port, a charge means for charging the blade driving mechanism to a traveling start position by receiving driving force from a driving source, and a control means for switching the driving speed of the charge means by controlling the driving of the driving source. COPYRIGHT: (C)2004,JPO
申请公布号 JP2004085818(A) 申请公布日期 2004.03.18
申请号 JP20020245641 申请日期 2002.08.26
申请人 CANON INC 发明人 TAMURA SUSUMU
分类号 G03B9/36;G03B9/68;(IPC1-7):G03B9/36 主分类号 G03B9/36
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