发明名称 Automatic focusing apparatus in a camera
摘要 An automatic focusing apparatus of a camera includes a photographing lens having a focusing lens group and a focus control mechanism which moves the focusing lens group to a hyper-focal distance position when no effective object distance is obtained.
申请公布号 US5966550(A) 申请公布日期 1999.10.12
申请号 US19980028253 申请日期 1998.02.23
申请人 ASAHI KOGAKU KOGYO KABUSHIKI KAISHA 发明人 OONO, MASAHIRO;IWANADE, HISAO;SAITOH, NOBORU;SATO, KOJI;SHIBA, SUKENORI;YOSHIDA, TATSUYA;NAGAI, NOBUYUKI
分类号 G02B7/28;(IPC1-7):G03B7/095;G03B13/36 主分类号 G02B7/28
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