发明名称 Camera with finder of clear display
摘要 A camera including: and an objective lens, a finder for observing an object image, an array of minute prisms for presenting a display of characters in a viewing area of the finder, a light source for illuminating the minute prisms, a reflector for directing a light beam from the light source to the minute prisms, and a provision for absorbing undesirable light arranged on the side portion of the finder to absorb that part of the light which has passed through the prisms which would otherwise be refracted in a predetermined direction by the minute prisms.
申请公布号 US5119124(A) 申请公布日期 1992.06.02
申请号 US19910641712 申请日期 1991.01.15
申请人 CANON KABUSHIKI KAISHA 发明人 ITO, KENJI;HAYAKAWA, SHINGO;KAIHARA, SHOJI
分类号 G03B17/20 主分类号 G03B17/20
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