发明名称 Projector
摘要 A projector for projecting a successive series of pictures and, in particular, an audiovisual information device, includes a housing, a projector disposed within the housing and a projection face which is provided in close proximity to the rear side of the housing for azimuthal projection. The projector face can be viewed by at least one window opening provided on the front side of the housing and the projector is arranged outside of the viewing range between the window opening and the projection face. The projector has a projection axis which is disposed at an angle with respect to the optic axis of its lens. The projector is especially suitable for both indoor and outdoor use.
申请公布号 US4131346(A) 申请公布日期 1978.12.26
申请号 US19770825635 申请日期 1977.08.18
申请人 DIECKHOFF, ROLF 发明人 DIECKHOFF, ROLF
分类号 G03B21/10;G03B21/16;(IPC1-7):G03B31/00;G03B21/28 主分类号 G03B21/10
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