发明名称 Focus indicating apparatus of automatic focusing camera
摘要 A focus indicating apparatus for an automatic focusing camera includes a plurality of object distance measuring areas and an object distance measuring device for detecting the amount of defocus of an object in the object distance measuring areas. A focusing mechanism is provided for selecting the object distance measuring area, including an object to be focused, in accordance with the object distance data or defocus data detected by the object distance measuring device. A predetermined algorithm is utilized to effect focusing for the object in the selected object distance measuring area. Further included are a plurality of indicators corresponding to the object distance measuring area and an indication control for driving the indicators corresponding to the selected object distance measuring area.
申请公布号 US4994843(A) 申请公布日期 1991.02.19
申请号 US19890397670 申请日期 1989.08.23
申请人 ASAHI KOGAKU KOGYO KABUSHIKI KAISHA 发明人 KITAZAWA, TOSHIYUKI
分类号 G02B7/36;G03B17/20 主分类号 G02B7/36
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