发明名称 MULTIPLE PROJECTION OPTICS SLIDE PROJECTION APPARATUS USING A CIRCULAR SLIDE TRAY, HAVING FIXED-POSITION SLIDE GATES
摘要 A slide projector having two projection optics systems (12, 14) for display of slides on a screen. Each projection optics system includes a fixed position slide gate (24, 36) into and from which slides move relative to a circular slide tray (16), which rotates about a fixed vertical axis to access each compartment therein relative to both slide gates.
申请公布号 WO8504265(A1) 申请公布日期 1985.09.26
申请号 WO1984US00429 申请日期 1984.03.16
申请人 KRAMER, GIDEON, A. 发明人 KRAMER, GIDEON, A.
分类号 G03B23/06;G03B21/00;G03B23/10;G03B23/18;(IPC1-7):G03B23/16 主分类号 G03B23/06
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