发明名称 Kaleidoscopic peep-show viewing device
摘要 A kaleidoscopic peep-show viewing device comprises an outer box of tubular shape with open opposite ends and with inscriptions printed on the inner surface thereof, an inner box adapted to slide telescopically within the outer box, and an optically reflecting member of peaked solid shape having a base, vertex, and mirror surface therebetween and joined at its base to one end of the inner box to slide thus unitarily therewith, the printed inscriptions, when viewed through one open end of the outer box as reflected images on the mirror surface, being optically collected thereby into single coherent pictures successively appearing and disappearing as the inner box is thus slid.
申请公布号 US4040716(A) 申请公布日期 1977.08.09
申请号 US19760664881 申请日期 1976.03.08
申请人 DAI NIPPON INSATSU KABUSHIKI KAISHA 发明人 MATSUBARA, IZURU
分类号 G02B27/08;(IPC1-7):G02B27/08 主分类号 G02B27/08
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