发明名称 IMAGE FORMING DEVICE
摘要 PURPOSE:To preven the whole of the device from being made large-sized even when a light shielding device for eliminating a black frame or the like is provided for a print image in a reader printer. CONSTITUTION:A pair of plate-like shutters 32 and 34 which can be mutually slid in an opposite direction on a substrate 31 which is vertical to an optical path by the turning of an operation knob 37 is arranged and a flexible light shielding sheet 33 is arranged integrally with the shutter 32 on the optical path which is positioned on a downstream side from a projection lens and which is used in common at a reader time and a printer time.
申请公布号 JPH04296739(A) 申请公布日期 1992.10.21
申请号 JP19910084413 申请日期 1991.03.26
申请人 CANON INC 发明人 MIZUTA MIKI
分类号 G03B21/134;G03G15/04;G03G15/043 主分类号 G03B21/134
代理机构 代理人
主权项
地址