发明名称 Display device movable for front and rear projection
摘要 A display device has a screen, a housing, a mirror, and a projector. The housing extending away from one side of the screen and has an opening. The mirror is disposed within the housing. The projector is moveable relative to the housing to selectively engage the opening for projection at the mirror and to extend away from a second side of the screen for projection onto a surface.
申请公布号 US7434938(B2) 申请公布日期 2008.10.14
申请号 US20040970759 申请日期 2004.10.21
申请人 HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. 发明人 SCHNEIDER ROBERT M.;DWYER DANIEL R.;COLE JAMES R.;DICKIE JAMES P.
分类号 G03B21/22;G03B3/00;G03B21/28;G03B21/56;H04N5/64 主分类号 G03B21/22
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