Invention Grant
US07670074B2 Video slide projection book 有权
视频幻灯片投影书

Video slide projection book
Abstract:
A video slide projection book is shown. The video slide projection book has a front cover and a back cover connected to the front cover at a binding. A plurality of pages are interposed between the front cover and the back cover and are connected to the binding. The video slide projection book also has a projector configured to accept a video slide source. The projector is configured to have a casing defining an interior volume; a circuit positioned in the interior volume and a lens. A holder is connected to the back cover wherein the holder is configured to accept the projector.
Public/Granted literature
Information query
Patent Agency Ranking
0/0