Retractable rear projection display

摘要: A retractable screen system suitable for portable, hand held computing and communication units joins a number of optical sheets to form rollable, extendible projection sheet. The resulting folded provides lightweight, portable unit. Telescoping arms allow the be extended stowed quickly easily. High resolution is afforded by multiple mechanisms that scan concurrently. Beam indexing permits precise alignment via feedback, an embodiment fit military, command control applications.