发明名称 Optical scanning device and image forming apparatus
摘要 An optical scanning device outputs a light beam from a light source through an emission window in an optical housing to scan a surface to be scanned. The optical scanning device includes a shutter member that closes or opens the emission window.
申请公布号 US2007070173(A1) 申请公布日期 2007.03.29
申请号 US20060525964 申请日期 2006.09.25
申请人 RICOH COMPANY, LIMITED 发明人 YAMAKAWA TAKESHI;YOSHIZAWA HIROSHI;SHOJI KATSUNORI;NAMBA MASANORI
分类号 B41J15/14 主分类号 B41J15/14
代理机构 代理人
主权项
地址