发明名称 Automatic focus adjustment device and method using auxiliary light
摘要 A microcomputer ( 118 ) which controls a video camera ( 100 ) inhibits driving of a focus lens ( 105 ) which has already moved to an in-focus position in focus adjustment of the focus lens ( 105 ) with respect to an object while an auxiliary light-emitting unit ( 121 ) is ON, and after that, turns off the auxiliary light-emitting unit ( 121 ).
申请公布号 US7388614(B2) 申请公布日期 2008.06.17
申请号 US20030713206 申请日期 2003.11.17
申请人 CANON KABUSHIKI KAISHA 发明人 YASUDA HITOSHI
分类号 H04N5/232 主分类号 H04N5/232
代理机构 代理人
主权项
地址